6591 lines
256 KiB
C++
6591 lines
256 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "InputReader"
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//#define LOG_NDEBUG 0
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// Log debug messages for each raw event received from the EventHub.
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#define DEBUG_RAW_EVENTS 0
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// Log debug messages about touch screen filtering hacks.
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#define DEBUG_HACKS 0
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// Log debug messages about virtual key processing.
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#define DEBUG_VIRTUAL_KEYS 0
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// Log debug messages about pointers.
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#define DEBUG_POINTERS 0
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// Log debug messages about pointer assignment calculations.
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#define DEBUG_POINTER_ASSIGNMENT 0
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// Log debug messages about gesture detection.
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#define DEBUG_GESTURES 0
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// Log debug messages about the vibrator.
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#define DEBUG_VIBRATOR 0
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#include "InputReader.h"
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#include <cutils/log.h>
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#include <input/Keyboard.h>
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#include <input/VirtualKeyMap.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include <math.h>
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#define INDENT " "
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#define INDENT2 " "
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#define INDENT3 " "
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#define INDENT4 " "
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#define INDENT5 " "
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namespace android {
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// --- Constants ---
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// Maximum number of slots supported when using the slot-based Multitouch Protocol B.
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static const size_t MAX_SLOTS = 32;
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// --- Static Functions ---
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template<typename T>
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inline static T abs(const T& value) {
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return value < 0 ? - value : value;
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}
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template<typename T>
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inline static T min(const T& a, const T& b) {
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return a < b ? a : b;
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}
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template<typename T>
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inline static void swap(T& a, T& b) {
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T temp = a;
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a = b;
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b = temp;
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}
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inline static float avg(float x, float y) {
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return (x + y) / 2;
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}
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inline static float distance(float x1, float y1, float x2, float y2) {
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return hypotf(x1 - x2, y1 - y2);
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}
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inline static int32_t signExtendNybble(int32_t value) {
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return value >= 8 ? value - 16 : value;
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}
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static inline const char* toString(bool value) {
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return value ? "true" : "false";
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}
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static int32_t rotateValueUsingRotationMap(int32_t value, int32_t orientation,
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const int32_t map[][4], size_t mapSize) {
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if (orientation != DISPLAY_ORIENTATION_0) {
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for (size_t i = 0; i < mapSize; i++) {
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if (value == map[i][0]) {
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return map[i][orientation];
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}
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}
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}
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return value;
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}
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static const int32_t keyCodeRotationMap[][4] = {
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// key codes enumerated counter-clockwise with the original (unrotated) key first
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// no rotation, 90 degree rotation, 180 degree rotation, 270 degree rotation
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{ AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT },
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{ AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN },
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{ AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT },
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{ AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP },
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};
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static const size_t keyCodeRotationMapSize =
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sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
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static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
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return rotateValueUsingRotationMap(keyCode, orientation,
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keyCodeRotationMap, keyCodeRotationMapSize);
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}
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static void rotateDelta(int32_t orientation, float* deltaX, float* deltaY) {
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float temp;
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switch (orientation) {
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case DISPLAY_ORIENTATION_90:
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temp = *deltaX;
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*deltaX = *deltaY;
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*deltaY = -temp;
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break;
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case DISPLAY_ORIENTATION_180:
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*deltaX = -*deltaX;
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*deltaY = -*deltaY;
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break;
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case DISPLAY_ORIENTATION_270:
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temp = *deltaX;
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*deltaX = -*deltaY;
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*deltaY = temp;
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break;
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}
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}
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static inline bool sourcesMatchMask(uint32_t sources, uint32_t sourceMask) {
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return (sources & sourceMask & ~ AINPUT_SOURCE_CLASS_MASK) != 0;
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}
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// Returns true if the pointer should be reported as being down given the specified
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// button states. This determines whether the event is reported as a touch event.
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static bool isPointerDown(int32_t buttonState) {
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return buttonState &
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(AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY
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| AMOTION_EVENT_BUTTON_TERTIARY);
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}
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static float calculateCommonVector(float a, float b) {
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if (a > 0 && b > 0) {
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return a < b ? a : b;
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} else if (a < 0 && b < 0) {
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return a > b ? a : b;
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} else {
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return 0;
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}
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}
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static void synthesizeButtonKey(InputReaderContext* context, int32_t action,
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nsecs_t when, int32_t deviceId, uint32_t source,
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uint32_t policyFlags, int32_t lastButtonState, int32_t currentButtonState,
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int32_t buttonState, int32_t keyCode) {
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if (
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(action == AKEY_EVENT_ACTION_DOWN
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&& !(lastButtonState & buttonState)
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&& (currentButtonState & buttonState))
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|| (action == AKEY_EVENT_ACTION_UP
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&& (lastButtonState & buttonState)
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&& !(currentButtonState & buttonState))) {
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NotifyKeyArgs args(when, deviceId, source, policyFlags,
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action, 0, keyCode, 0, context->getGlobalMetaState(), when);
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context->getListener()->notifyKey(&args);
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}
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}
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static void synthesizeButtonKeys(InputReaderContext* context, int32_t action,
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nsecs_t when, int32_t deviceId, uint32_t source,
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uint32_t policyFlags, int32_t lastButtonState, int32_t currentButtonState) {
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synthesizeButtonKey(context, action, when, deviceId, source, policyFlags,
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lastButtonState, currentButtonState,
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AMOTION_EVENT_BUTTON_BACK, AKEYCODE_BACK);
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synthesizeButtonKey(context, action, when, deviceId, source, policyFlags,
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lastButtonState, currentButtonState,
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AMOTION_EVENT_BUTTON_FORWARD, AKEYCODE_FORWARD);
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}
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// --- InputReaderConfiguration ---
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bool InputReaderConfiguration::getDisplayInfo(bool external, DisplayViewport* outViewport) const {
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const DisplayViewport& viewport = external ? mExternalDisplay : mInternalDisplay;
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if (viewport.displayId >= 0) {
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*outViewport = viewport;
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return true;
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}
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return false;
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}
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void InputReaderConfiguration::setDisplayInfo(bool external, const DisplayViewport& viewport) {
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DisplayViewport& v = external ? mExternalDisplay : mInternalDisplay;
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v = viewport;
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}
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// -- TouchAffineTransformation --
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void TouchAffineTransformation::applyTo(float& x, float& y) const {
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float newX, newY;
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newX = x * x_scale + y * x_ymix + x_offset;
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newY = x * y_xmix + y * y_scale + y_offset;
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x = newX;
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y = newY;
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}
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// --- InputReader ---
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InputReader::InputReader(const sp<EventHubInterface>& eventHub,
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const sp<InputReaderPolicyInterface>& policy,
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const sp<InputListenerInterface>& listener) :
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mContext(this), mEventHub(eventHub), mPolicy(policy),
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mGlobalMetaState(0), mGeneration(1),
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mDisableVirtualKeysTimeout(LLONG_MIN), mNextTimeout(LLONG_MAX),
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mConfigurationChangesToRefresh(0) {
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mQueuedListener = new QueuedInputListener(listener);
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{ // acquire lock
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AutoMutex _l(mLock);
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refreshConfigurationLocked(0);
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updateGlobalMetaStateLocked();
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} // release lock
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}
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InputReader::~InputReader() {
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for (size_t i = 0; i < mDevices.size(); i++) {
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delete mDevices.valueAt(i);
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}
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}
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void InputReader::loopOnce() {
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int32_t oldGeneration;
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int32_t timeoutMillis;
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bool inputDevicesChanged = false;
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Vector<InputDeviceInfo> inputDevices;
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{ // acquire lock
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AutoMutex _l(mLock);
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oldGeneration = mGeneration;
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timeoutMillis = -1;
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uint32_t changes = mConfigurationChangesToRefresh;
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if (changes) {
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mConfigurationChangesToRefresh = 0;
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timeoutMillis = 0;
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refreshConfigurationLocked(changes);
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} else if (mNextTimeout != LLONG_MAX) {
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nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
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timeoutMillis = toMillisecondTimeoutDelay(now, mNextTimeout);
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}
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} // release lock
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size_t count = mEventHub->getEvents(timeoutMillis, mEventBuffer, EVENT_BUFFER_SIZE);
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{ // acquire lock
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AutoMutex _l(mLock);
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mReaderIsAliveCondition.broadcast();
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if (count) {
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processEventsLocked(mEventBuffer, count);
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}
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if (mNextTimeout != LLONG_MAX) {
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nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
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if (now >= mNextTimeout) {
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#if DEBUG_RAW_EVENTS
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ALOGD("Timeout expired, latency=%0.3fms", (now - mNextTimeout) * 0.000001f);
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#endif
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mNextTimeout = LLONG_MAX;
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timeoutExpiredLocked(now);
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}
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}
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if (oldGeneration != mGeneration) {
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inputDevicesChanged = true;
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getInputDevicesLocked(inputDevices);
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}
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} // release lock
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// Send out a message that the describes the changed input devices.
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if (inputDevicesChanged) {
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mPolicy->notifyInputDevicesChanged(inputDevices);
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}
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// Flush queued events out to the listener.
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// This must happen outside of the lock because the listener could potentially call
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// back into the InputReader's methods, such as getScanCodeState, or become blocked
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// on another thread similarly waiting to acquire the InputReader lock thereby
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// resulting in a deadlock. This situation is actually quite plausible because the
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// listener is actually the input dispatcher, which calls into the window manager,
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// which occasionally calls into the input reader.
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mQueuedListener->flush();
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}
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void InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
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for (const RawEvent* rawEvent = rawEvents; count;) {
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int32_t type = rawEvent->type;
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size_t batchSize = 1;
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if (type < EventHubInterface::FIRST_SYNTHETIC_EVENT) {
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int32_t deviceId = rawEvent->deviceId;
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while (batchSize < count) {
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if (rawEvent[batchSize].type >= EventHubInterface::FIRST_SYNTHETIC_EVENT
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|| rawEvent[batchSize].deviceId != deviceId) {
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break;
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}
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batchSize += 1;
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}
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#if DEBUG_RAW_EVENTS
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ALOGD("BatchSize: %d Count: %d", batchSize, count);
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#endif
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processEventsForDeviceLocked(deviceId, rawEvent, batchSize);
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} else {
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switch (rawEvent->type) {
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case EventHubInterface::DEVICE_ADDED:
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addDeviceLocked(rawEvent->when, rawEvent->deviceId);
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break;
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case EventHubInterface::DEVICE_REMOVED:
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removeDeviceLocked(rawEvent->when, rawEvent->deviceId);
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break;
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case EventHubInterface::FINISHED_DEVICE_SCAN:
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handleConfigurationChangedLocked(rawEvent->when);
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break;
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default:
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ALOG_ASSERT(false); // can't happen
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break;
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}
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}
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count -= batchSize;
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rawEvent += batchSize;
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}
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}
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void InputReader::addDeviceLocked(nsecs_t when, int32_t deviceId) {
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex >= 0) {
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ALOGW("Ignoring spurious device added event for deviceId %d.", deviceId);
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return;
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}
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InputDeviceIdentifier identifier = mEventHub->getDeviceIdentifier(deviceId);
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uint32_t classes = mEventHub->getDeviceClasses(deviceId);
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int32_t controllerNumber = mEventHub->getDeviceControllerNumber(deviceId);
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InputDevice* device = createDeviceLocked(deviceId, controllerNumber, identifier, classes);
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device->configure(when, &mConfig, 0);
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device->reset(when);
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if (device->isIgnored()) {
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ALOGI("Device added: id=%d, name='%s' (ignored non-input device)", deviceId,
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identifier.name.string());
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} else {
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ALOGI("Device added: id=%d, name='%s', sources=0x%08x", deviceId,
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identifier.name.string(), device->getSources());
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}
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mDevices.add(deviceId, device);
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bumpGenerationLocked();
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}
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void InputReader::removeDeviceLocked(nsecs_t when, int32_t deviceId) {
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InputDevice* device = NULL;
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex < 0) {
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ALOGW("Ignoring spurious device removed event for deviceId %d.", deviceId);
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return;
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}
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device = mDevices.valueAt(deviceIndex);
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mDevices.removeItemsAt(deviceIndex, 1);
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bumpGenerationLocked();
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if (device->isIgnored()) {
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ALOGI("Device removed: id=%d, name='%s' (ignored non-input device)",
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device->getId(), device->getName().string());
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} else {
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ALOGI("Device removed: id=%d, name='%s', sources=0x%08x",
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device->getId(), device->getName().string(), device->getSources());
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}
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device->reset(when);
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delete device;
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}
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InputDevice* InputReader::createDeviceLocked(int32_t deviceId, int32_t controllerNumber,
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const InputDeviceIdentifier& identifier, uint32_t classes) {
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InputDevice* device = new InputDevice(&mContext, deviceId, bumpGenerationLocked(),
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controllerNumber, identifier, classes);
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// External devices.
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if (classes & INPUT_DEVICE_CLASS_EXTERNAL) {
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device->setExternal(true);
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}
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// Switch-like devices.
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if (classes & INPUT_DEVICE_CLASS_SWITCH) {
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device->addMapper(new SwitchInputMapper(device));
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}
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// Vibrator-like devices.
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if (classes & INPUT_DEVICE_CLASS_VIBRATOR) {
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device->addMapper(new VibratorInputMapper(device));
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}
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// Keyboard-like devices.
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uint32_t keyboardSource = 0;
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int32_t keyboardType = AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC;
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if (classes & INPUT_DEVICE_CLASS_KEYBOARD) {
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keyboardSource |= AINPUT_SOURCE_KEYBOARD;
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}
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if (classes & INPUT_DEVICE_CLASS_ALPHAKEY) {
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keyboardType = AINPUT_KEYBOARD_TYPE_ALPHABETIC;
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}
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if (classes & INPUT_DEVICE_CLASS_DPAD) {
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keyboardSource |= AINPUT_SOURCE_DPAD;
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}
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if (classes & INPUT_DEVICE_CLASS_GAMEPAD) {
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keyboardSource |= AINPUT_SOURCE_GAMEPAD;
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}
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if (keyboardSource != 0) {
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device->addMapper(new KeyboardInputMapper(device, keyboardSource, keyboardType));
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}
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// Cursor-like devices.
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if (classes & INPUT_DEVICE_CLASS_CURSOR) {
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device->addMapper(new CursorInputMapper(device));
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}
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// Touchscreens and touchpad devices.
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if (classes & INPUT_DEVICE_CLASS_TOUCH_MT) {
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device->addMapper(new MultiTouchInputMapper(device));
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} else if (classes & INPUT_DEVICE_CLASS_TOUCH) {
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device->addMapper(new SingleTouchInputMapper(device));
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}
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// Joystick-like devices.
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if (classes & INPUT_DEVICE_CLASS_JOYSTICK) {
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device->addMapper(new JoystickInputMapper(device));
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}
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return device;
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}
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void InputReader::processEventsForDeviceLocked(int32_t deviceId,
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const RawEvent* rawEvents, size_t count) {
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex < 0) {
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ALOGW("Discarding event for unknown deviceId %d.", deviceId);
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return;
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}
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InputDevice* device = mDevices.valueAt(deviceIndex);
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if (device->isIgnored()) {
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//ALOGD("Discarding event for ignored deviceId %d.", deviceId);
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return;
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}
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device->process(rawEvents, count);
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}
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void InputReader::timeoutExpiredLocked(nsecs_t when) {
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for (size_t i = 0; i < mDevices.size(); i++) {
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InputDevice* device = mDevices.valueAt(i);
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if (!device->isIgnored()) {
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device->timeoutExpired(when);
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}
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}
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}
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void InputReader::handleConfigurationChangedLocked(nsecs_t when) {
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// Reset global meta state because it depends on the list of all configured devices.
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updateGlobalMetaStateLocked();
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// Enqueue configuration changed.
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NotifyConfigurationChangedArgs args(when);
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mQueuedListener->notifyConfigurationChanged(&args);
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}
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void InputReader::refreshConfigurationLocked(uint32_t changes) {
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mPolicy->getReaderConfiguration(&mConfig);
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mEventHub->setExcludedDevices(mConfig.excludedDeviceNames);
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if (changes) {
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ALOGI("Reconfiguring input devices. changes=0x%08x", changes);
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nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
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if (changes & InputReaderConfiguration::CHANGE_MUST_REOPEN) {
|
|
mEventHub->requestReopenDevices();
|
|
} else {
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
device->configure(now, &mConfig, changes);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void InputReader::updateGlobalMetaStateLocked() {
|
|
mGlobalMetaState = 0;
|
|
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
mGlobalMetaState |= device->getMetaState();
|
|
}
|
|
}
|
|
|
|
int32_t InputReader::getGlobalMetaStateLocked() {
|
|
return mGlobalMetaState;
|
|
}
|
|
|
|
void InputReader::disableVirtualKeysUntilLocked(nsecs_t time) {
|
|
mDisableVirtualKeysTimeout = time;
|
|
}
|
|
|
|
bool InputReader::shouldDropVirtualKeyLocked(nsecs_t now,
|
|
InputDevice* device, int32_t keyCode, int32_t scanCode) {
|
|
if (now < mDisableVirtualKeysTimeout) {
|
|
ALOGI("Dropping virtual key from device %s because virtual keys are "
|
|
"temporarily disabled for the next %0.3fms. keyCode=%d, scanCode=%d",
|
|
device->getName().string(),
|
|
(mDisableVirtualKeysTimeout - now) * 0.000001,
|
|
keyCode, scanCode);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void InputReader::fadePointerLocked() {
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
device->fadePointer();
|
|
}
|
|
}
|
|
|
|
void InputReader::requestTimeoutAtTimeLocked(nsecs_t when) {
|
|
if (when < mNextTimeout) {
|
|
mNextTimeout = when;
|
|
mEventHub->wake();
|
|
}
|
|
}
|
|
|
|
int32_t InputReader::bumpGenerationLocked() {
|
|
return ++mGeneration;
|
|
}
|
|
|
|
void InputReader::getInputDevices(Vector<InputDeviceInfo>& outInputDevices) {
|
|
AutoMutex _l(mLock);
|
|
getInputDevicesLocked(outInputDevices);
|
|
}
|
|
|
|
void InputReader::getInputDevicesLocked(Vector<InputDeviceInfo>& outInputDevices) {
|
|
outInputDevices.clear();
|
|
|
|
size_t numDevices = mDevices.size();
|
|
for (size_t i = 0; i < numDevices; i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
if (!device->isIgnored()) {
|
|
outInputDevices.push();
|
|
device->getDeviceInfo(&outInputDevices.editTop());
|
|
}
|
|
}
|
|
}
|
|
|
|
int32_t InputReader::getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
|
|
int32_t keyCode) {
|
|
AutoMutex _l(mLock);
|
|
|
|
return getStateLocked(deviceId, sourceMask, keyCode, &InputDevice::getKeyCodeState);
|
|
}
|
|
|
|
int32_t InputReader::getScanCodeState(int32_t deviceId, uint32_t sourceMask,
|
|
int32_t scanCode) {
|
|
AutoMutex _l(mLock);
|
|
|
|
return getStateLocked(deviceId, sourceMask, scanCode, &InputDevice::getScanCodeState);
|
|
}
|
|
|
|
int32_t InputReader::getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t switchCode) {
|
|
AutoMutex _l(mLock);
|
|
|
|
return getStateLocked(deviceId, sourceMask, switchCode, &InputDevice::getSwitchState);
|
|
}
|
|
|
|
int32_t InputReader::getStateLocked(int32_t deviceId, uint32_t sourceMask, int32_t code,
|
|
GetStateFunc getStateFunc) {
|
|
int32_t result = AKEY_STATE_UNKNOWN;
|
|
if (deviceId >= 0) {
|
|
ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
|
|
if (deviceIndex >= 0) {
|
|
InputDevice* device = mDevices.valueAt(deviceIndex);
|
|
if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
|
|
result = (device->*getStateFunc)(sourceMask, code);
|
|
}
|
|
}
|
|
} else {
|
|
size_t numDevices = mDevices.size();
|
|
for (size_t i = 0; i < numDevices; i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
|
|
// If any device reports AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL, return that
|
|
// value. Otherwise, return AKEY_STATE_UP as long as one device reports it.
|
|
int32_t currentResult = (device->*getStateFunc)(sourceMask, code);
|
|
if (currentResult >= AKEY_STATE_DOWN) {
|
|
return currentResult;
|
|
} else if (currentResult == AKEY_STATE_UP) {
|
|
result = currentResult;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
|
|
size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
|
|
AutoMutex _l(mLock);
|
|
|
|
memset(outFlags, 0, numCodes);
|
|
return markSupportedKeyCodesLocked(deviceId, sourceMask, numCodes, keyCodes, outFlags);
|
|
}
|
|
|
|
bool InputReader::markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask,
|
|
size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
|
|
bool result = false;
|
|
if (deviceId >= 0) {
|
|
ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
|
|
if (deviceIndex >= 0) {
|
|
InputDevice* device = mDevices.valueAt(deviceIndex);
|
|
if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
|
|
result = device->markSupportedKeyCodes(sourceMask,
|
|
numCodes, keyCodes, outFlags);
|
|
}
|
|
}
|
|
} else {
|
|
size_t numDevices = mDevices.size();
|
|
for (size_t i = 0; i < numDevices; i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
|
|
result |= device->markSupportedKeyCodes(sourceMask,
|
|
numCodes, keyCodes, outFlags);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void InputReader::requestRefreshConfiguration(uint32_t changes) {
|
|
AutoMutex _l(mLock);
|
|
|
|
if (changes) {
|
|
bool needWake = !mConfigurationChangesToRefresh;
|
|
mConfigurationChangesToRefresh |= changes;
|
|
|
|
if (needWake) {
|
|
mEventHub->wake();
|
|
}
|
|
}
|
|
}
|
|
|
|
void InputReader::vibrate(int32_t deviceId, const nsecs_t* pattern, size_t patternSize,
|
|
ssize_t repeat, int32_t token) {
|
|
AutoMutex _l(mLock);
|
|
|
|
ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
|
|
if (deviceIndex >= 0) {
|
|
InputDevice* device = mDevices.valueAt(deviceIndex);
|
|
device->vibrate(pattern, patternSize, repeat, token);
|
|
}
|
|
}
|
|
|
|
void InputReader::cancelVibrate(int32_t deviceId, int32_t token) {
|
|
AutoMutex _l(mLock);
|
|
|
|
ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
|
|
if (deviceIndex >= 0) {
|
|
InputDevice* device = mDevices.valueAt(deviceIndex);
|
|
device->cancelVibrate(token);
|
|
}
|
|
}
|
|
|
|
void InputReader::dump(String8& dump) {
|
|
AutoMutex _l(mLock);
|
|
|
|
mEventHub->dump(dump);
|
|
dump.append("\n");
|
|
|
|
dump.append("Input Reader State:\n");
|
|
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
mDevices.valueAt(i)->dump(dump);
|
|
}
|
|
|
|
dump.append(INDENT "Configuration:\n");
|
|
dump.append(INDENT2 "ExcludedDeviceNames: [");
|
|
for (size_t i = 0; i < mConfig.excludedDeviceNames.size(); i++) {
|
|
if (i != 0) {
|
|
dump.append(", ");
|
|
}
|
|
dump.append(mConfig.excludedDeviceNames.itemAt(i).string());
|
|
}
|
|
dump.append("]\n");
|
|
dump.appendFormat(INDENT2 "VirtualKeyQuietTime: %0.1fms\n",
|
|
mConfig.virtualKeyQuietTime * 0.000001f);
|
|
|
|
dump.appendFormat(INDENT2 "PointerVelocityControlParameters: "
|
|
"scale=%0.3f, lowThreshold=%0.3f, highThreshold=%0.3f, acceleration=%0.3f\n",
|
|
mConfig.pointerVelocityControlParameters.scale,
|
|
mConfig.pointerVelocityControlParameters.lowThreshold,
|
|
mConfig.pointerVelocityControlParameters.highThreshold,
|
|
mConfig.pointerVelocityControlParameters.acceleration);
|
|
|
|
dump.appendFormat(INDENT2 "WheelVelocityControlParameters: "
|
|
"scale=%0.3f, lowThreshold=%0.3f, highThreshold=%0.3f, acceleration=%0.3f\n",
|
|
mConfig.wheelVelocityControlParameters.scale,
|
|
mConfig.wheelVelocityControlParameters.lowThreshold,
|
|
mConfig.wheelVelocityControlParameters.highThreshold,
|
|
mConfig.wheelVelocityControlParameters.acceleration);
|
|
|
|
dump.appendFormat(INDENT2 "PointerGesture:\n");
|
|
dump.appendFormat(INDENT3 "Enabled: %s\n",
|
|
toString(mConfig.pointerGesturesEnabled));
|
|
dump.appendFormat(INDENT3 "QuietInterval: %0.1fms\n",
|
|
mConfig.pointerGestureQuietInterval * 0.000001f);
|
|
dump.appendFormat(INDENT3 "DragMinSwitchSpeed: %0.1fpx/s\n",
|
|
mConfig.pointerGestureDragMinSwitchSpeed);
|
|
dump.appendFormat(INDENT3 "TapInterval: %0.1fms\n",
|
|
mConfig.pointerGestureTapInterval * 0.000001f);
|
|
dump.appendFormat(INDENT3 "TapDragInterval: %0.1fms\n",
|
|
mConfig.pointerGestureTapDragInterval * 0.000001f);
|
|
dump.appendFormat(INDENT3 "TapSlop: %0.1fpx\n",
|
|
mConfig.pointerGestureTapSlop);
|
|
dump.appendFormat(INDENT3 "MultitouchSettleInterval: %0.1fms\n",
|
|
mConfig.pointerGestureMultitouchSettleInterval * 0.000001f);
|
|
dump.appendFormat(INDENT3 "MultitouchMinDistance: %0.1fpx\n",
|
|
mConfig.pointerGestureMultitouchMinDistance);
|
|
dump.appendFormat(INDENT3 "SwipeTransitionAngleCosine: %0.1f\n",
|
|
mConfig.pointerGestureSwipeTransitionAngleCosine);
|
|
dump.appendFormat(INDENT3 "SwipeMaxWidthRatio: %0.1f\n",
|
|
mConfig.pointerGestureSwipeMaxWidthRatio);
|
|
dump.appendFormat(INDENT3 "MovementSpeedRatio: %0.1f\n",
|
|
mConfig.pointerGestureMovementSpeedRatio);
|
|
dump.appendFormat(INDENT3 "ZoomSpeedRatio: %0.1f\n",
|
|
mConfig.pointerGestureZoomSpeedRatio);
|
|
}
|
|
|
|
void InputReader::monitor() {
|
|
// Acquire and release the lock to ensure that the reader has not deadlocked.
|
|
mLock.lock();
|
|
mEventHub->wake();
|
|
mReaderIsAliveCondition.wait(mLock);
|
|
mLock.unlock();
|
|
|
|
// Check the EventHub
|
|
mEventHub->monitor();
|
|
}
|
|
|
|
|
|
// --- InputReader::ContextImpl ---
|
|
|
|
InputReader::ContextImpl::ContextImpl(InputReader* reader) :
|
|
mReader(reader) {
|
|
}
|
|
|
|
void InputReader::ContextImpl::updateGlobalMetaState() {
|
|
// lock is already held by the input loop
|
|
mReader->updateGlobalMetaStateLocked();
|
|
}
|
|
|
|
int32_t InputReader::ContextImpl::getGlobalMetaState() {
|
|
// lock is already held by the input loop
|
|
return mReader->getGlobalMetaStateLocked();
|
|
}
|
|
|
|
void InputReader::ContextImpl::disableVirtualKeysUntil(nsecs_t time) {
|
|
// lock is already held by the input loop
|
|
mReader->disableVirtualKeysUntilLocked(time);
|
|
}
|
|
|
|
bool InputReader::ContextImpl::shouldDropVirtualKey(nsecs_t now,
|
|
InputDevice* device, int32_t keyCode, int32_t scanCode) {
|
|
// lock is already held by the input loop
|
|
return mReader->shouldDropVirtualKeyLocked(now, device, keyCode, scanCode);
|
|
}
|
|
|
|
void InputReader::ContextImpl::fadePointer() {
|
|
// lock is already held by the input loop
|
|
mReader->fadePointerLocked();
|
|
}
|
|
|
|
void InputReader::ContextImpl::requestTimeoutAtTime(nsecs_t when) {
|
|
// lock is already held by the input loop
|
|
mReader->requestTimeoutAtTimeLocked(when);
|
|
}
|
|
|
|
int32_t InputReader::ContextImpl::bumpGeneration() {
|
|
// lock is already held by the input loop
|
|
return mReader->bumpGenerationLocked();
|
|
}
|
|
|
|
InputReaderPolicyInterface* InputReader::ContextImpl::getPolicy() {
|
|
return mReader->mPolicy.get();
|
|
}
|
|
|
|
InputListenerInterface* InputReader::ContextImpl::getListener() {
|
|
return mReader->mQueuedListener.get();
|
|
}
|
|
|
|
EventHubInterface* InputReader::ContextImpl::getEventHub() {
|
|
return mReader->mEventHub.get();
|
|
}
|
|
|
|
|
|
// --- InputReaderThread ---
|
|
|
|
InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
|
|
Thread(/*canCallJava*/ true), mReader(reader) {
|
|
}
|
|
|
|
InputReaderThread::~InputReaderThread() {
|
|
}
|
|
|
|
bool InputReaderThread::threadLoop() {
|
|
mReader->loopOnce();
|
|
return true;
|
|
}
|
|
|
|
|
|
// --- InputDevice ---
|
|
|
|
InputDevice::InputDevice(InputReaderContext* context, int32_t id, int32_t generation,
|
|
int32_t controllerNumber, const InputDeviceIdentifier& identifier, uint32_t classes) :
|
|
mContext(context), mId(id), mGeneration(generation), mControllerNumber(controllerNumber),
|
|
mIdentifier(identifier), mClasses(classes),
|
|
mSources(0), mIsExternal(false), mDropUntilNextSync(false) {
|
|
}
|
|
|
|
InputDevice::~InputDevice() {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
delete mMappers[i];
|
|
}
|
|
mMappers.clear();
|
|
}
|
|
|
|
void InputDevice::dump(String8& dump) {
|
|
InputDeviceInfo deviceInfo;
|
|
getDeviceInfo(& deviceInfo);
|
|
|
|
dump.appendFormat(INDENT "Device %d: %s\n", deviceInfo.getId(),
|
|
deviceInfo.getDisplayName().string());
|
|
dump.appendFormat(INDENT2 "Generation: %d\n", mGeneration);
|
|
dump.appendFormat(INDENT2 "IsExternal: %s\n", toString(mIsExternal));
|
|
dump.appendFormat(INDENT2 "Sources: 0x%08x\n", deviceInfo.getSources());
|
|
dump.appendFormat(INDENT2 "KeyboardType: %d\n", deviceInfo.getKeyboardType());
|
|
|
|
const Vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
|
|
if (!ranges.isEmpty()) {
|
|
dump.append(INDENT2 "Motion Ranges:\n");
|
|
for (size_t i = 0; i < ranges.size(); i++) {
|
|
const InputDeviceInfo::MotionRange& range = ranges.itemAt(i);
|
|
const char* label = getAxisLabel(range.axis);
|
|
char name[32];
|
|
if (label) {
|
|
strncpy(name, label, sizeof(name));
|
|
name[sizeof(name) - 1] = '\0';
|
|
} else {
|
|
snprintf(name, sizeof(name), "%d", range.axis);
|
|
}
|
|
dump.appendFormat(INDENT3 "%s: source=0x%08x, "
|
|
"min=%0.3f, max=%0.3f, flat=%0.3f, fuzz=%0.3f, resolution=%0.3f\n",
|
|
name, range.source, range.min, range.max, range.flat, range.fuzz,
|
|
range.resolution);
|
|
}
|
|
}
|
|
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->dump(dump);
|
|
}
|
|
}
|
|
|
|
void InputDevice::addMapper(InputMapper* mapper) {
|
|
mMappers.add(mapper);
|
|
}
|
|
|
|
void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) {
|
|
mSources = 0;
|
|
|
|
if (!isIgnored()) {
|
|
if (!changes) { // first time only
|
|
mContext->getEventHub()->getConfiguration(mId, &mConfiguration);
|
|
}
|
|
|
|
if (!changes || (changes & InputReaderConfiguration::CHANGE_KEYBOARD_LAYOUTS)) {
|
|
if (!(mClasses & INPUT_DEVICE_CLASS_VIRTUAL)) {
|
|
sp<KeyCharacterMap> keyboardLayout =
|
|
mContext->getPolicy()->getKeyboardLayoutOverlay(mIdentifier);
|
|
if (mContext->getEventHub()->setKeyboardLayoutOverlay(mId, keyboardLayout)) {
|
|
bumpGeneration();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!changes || (changes & InputReaderConfiguration::CHANGE_DEVICE_ALIAS)) {
|
|
if (!(mClasses & INPUT_DEVICE_CLASS_VIRTUAL)) {
|
|
String8 alias = mContext->getPolicy()->getDeviceAlias(mIdentifier);
|
|
if (mAlias != alias) {
|
|
mAlias = alias;
|
|
bumpGeneration();
|
|
}
|
|
}
|
|
}
|
|
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->configure(when, config, changes);
|
|
mSources |= mapper->getSources();
|
|
}
|
|
}
|
|
}
|
|
|
|
void InputDevice::reset(nsecs_t when) {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->reset(when);
|
|
}
|
|
|
|
mContext->updateGlobalMetaState();
|
|
|
|
notifyReset(when);
|
|
}
|
|
|
|
void InputDevice::process(const RawEvent* rawEvents, size_t count) {
|
|
// Process all of the events in order for each mapper.
|
|
// We cannot simply ask each mapper to process them in bulk because mappers may
|
|
// have side-effects that must be interleaved. For example, joystick movement events and
|
|
// gamepad button presses are handled by different mappers but they should be dispatched
|
|
// in the order received.
|
|
size_t numMappers = mMappers.size();
|
|
for (const RawEvent* rawEvent = rawEvents; count--; rawEvent++) {
|
|
#if DEBUG_RAW_EVENTS
|
|
ALOGD("Input event: device=%d type=0x%04x code=0x%04x value=0x%08x when=%lld",
|
|
rawEvent->deviceId, rawEvent->type, rawEvent->code, rawEvent->value,
|
|
rawEvent->when);
|
|
#endif
|
|
|
|
if (mDropUntilNextSync) {
|
|
if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
|
|
mDropUntilNextSync = false;
|
|
#if DEBUG_RAW_EVENTS
|
|
ALOGD("Recovered from input event buffer overrun.");
|
|
#endif
|
|
} else {
|
|
#if DEBUG_RAW_EVENTS
|
|
ALOGD("Dropped input event while waiting for next input sync.");
|
|
#endif
|
|
}
|
|
} else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_DROPPED) {
|
|
ALOGI("Detected input event buffer overrun for device %s.", getName().string());
|
|
mDropUntilNextSync = true;
|
|
reset(rawEvent->when);
|
|
} else {
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->process(rawEvent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void InputDevice::timeoutExpired(nsecs_t when) {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->timeoutExpired(when);
|
|
}
|
|
}
|
|
|
|
void InputDevice::getDeviceInfo(InputDeviceInfo* outDeviceInfo) {
|
|
outDeviceInfo->initialize(mId, mGeneration, mControllerNumber, mIdentifier, mAlias,
|
|
mIsExternal);
|
|
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->populateDeviceInfo(outDeviceInfo);
|
|
}
|
|
}
|
|
|
|
int32_t InputDevice::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
|
|
return getState(sourceMask, keyCode, & InputMapper::getKeyCodeState);
|
|
}
|
|
|
|
int32_t InputDevice::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
|
|
return getState(sourceMask, scanCode, & InputMapper::getScanCodeState);
|
|
}
|
|
|
|
int32_t InputDevice::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
|
|
return getState(sourceMask, switchCode, & InputMapper::getSwitchState);
|
|
}
|
|
|
|
int32_t InputDevice::getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc) {
|
|
int32_t result = AKEY_STATE_UNKNOWN;
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
|
|
// If any mapper reports AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL, return that
|
|
// value. Otherwise, return AKEY_STATE_UP as long as one mapper reports it.
|
|
int32_t currentResult = (mapper->*getStateFunc)(sourceMask, code);
|
|
if (currentResult >= AKEY_STATE_DOWN) {
|
|
return currentResult;
|
|
} else if (currentResult == AKEY_STATE_UP) {
|
|
result = currentResult;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
|
|
const int32_t* keyCodes, uint8_t* outFlags) {
|
|
bool result = false;
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
|
|
result |= mapper->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void InputDevice::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
|
|
int32_t token) {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->vibrate(pattern, patternSize, repeat, token);
|
|
}
|
|
}
|
|
|
|
void InputDevice::cancelVibrate(int32_t token) {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->cancelVibrate(token);
|
|
}
|
|
}
|
|
|
|
int32_t InputDevice::getMetaState() {
|
|
int32_t result = 0;
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
result |= mapper->getMetaState();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void InputDevice::fadePointer() {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->fadePointer();
|
|
}
|
|
}
|
|
|
|
void InputDevice::bumpGeneration() {
|
|
mGeneration = mContext->bumpGeneration();
|
|
}
|
|
|
|
void InputDevice::notifyReset(nsecs_t when) {
|
|
NotifyDeviceResetArgs args(when, mId);
|
|
mContext->getListener()->notifyDeviceReset(&args);
|
|
}
|
|
|
|
|
|
// --- CursorButtonAccumulator ---
|
|
|
|
CursorButtonAccumulator::CursorButtonAccumulator() {
|
|
clearButtons();
|
|
}
|
|
|
|
void CursorButtonAccumulator::reset(InputDevice* device) {
|
|
mBtnLeft = device->isKeyPressed(BTN_LEFT);
|
|
mBtnRight = device->isKeyPressed(BTN_RIGHT);
|
|
mBtnMiddle = device->isKeyPressed(BTN_MIDDLE);
|
|
mBtnBack = device->isKeyPressed(BTN_BACK);
|
|
mBtnSide = device->isKeyPressed(BTN_SIDE);
|
|
mBtnForward = device->isKeyPressed(BTN_FORWARD);
|
|
mBtnExtra = device->isKeyPressed(BTN_EXTRA);
|
|
mBtnTask = device->isKeyPressed(BTN_TASK);
|
|
}
|
|
|
|
void CursorButtonAccumulator::clearButtons() {
|
|
mBtnLeft = 0;
|
|
mBtnRight = 0;
|
|
mBtnMiddle = 0;
|
|
mBtnBack = 0;
|
|
mBtnSide = 0;
|
|
mBtnForward = 0;
|
|
mBtnExtra = 0;
|
|
mBtnTask = 0;
|
|
}
|
|
|
|
void CursorButtonAccumulator::process(const RawEvent* rawEvent) {
|
|
if (rawEvent->type == EV_KEY) {
|
|
switch (rawEvent->code) {
|
|
case BTN_LEFT:
|
|
mBtnLeft = rawEvent->value;
|
|
break;
|
|
case BTN_RIGHT:
|
|
mBtnRight = rawEvent->value;
|
|
break;
|
|
case BTN_MIDDLE:
|
|
mBtnMiddle = rawEvent->value;
|
|
break;
|
|
case BTN_BACK:
|
|
mBtnBack = rawEvent->value;
|
|
break;
|
|
case BTN_SIDE:
|
|
mBtnSide = rawEvent->value;
|
|
break;
|
|
case BTN_FORWARD:
|
|
mBtnForward = rawEvent->value;
|
|
break;
|
|
case BTN_EXTRA:
|
|
mBtnExtra = rawEvent->value;
|
|
break;
|
|
case BTN_TASK:
|
|
mBtnTask = rawEvent->value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t CursorButtonAccumulator::getButtonState() const {
|
|
uint32_t result = 0;
|
|
if (mBtnLeft) {
|
|
result |= AMOTION_EVENT_BUTTON_PRIMARY;
|
|
}
|
|
if (mBtnRight) {
|
|
result |= AMOTION_EVENT_BUTTON_SECONDARY;
|
|
}
|
|
if (mBtnMiddle) {
|
|
result |= AMOTION_EVENT_BUTTON_TERTIARY;
|
|
}
|
|
if (mBtnBack || mBtnSide) {
|
|
result |= AMOTION_EVENT_BUTTON_BACK;
|
|
}
|
|
if (mBtnForward || mBtnExtra) {
|
|
result |= AMOTION_EVENT_BUTTON_FORWARD;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
// --- CursorMotionAccumulator ---
|
|
|
|
CursorMotionAccumulator::CursorMotionAccumulator() {
|
|
clearRelativeAxes();
|
|
}
|
|
|
|
void CursorMotionAccumulator::reset(InputDevice* device) {
|
|
clearRelativeAxes();
|
|
}
|
|
|
|
void CursorMotionAccumulator::clearRelativeAxes() {
|
|
mRelX = 0;
|
|
mRelY = 0;
|
|
}
|
|
|
|
void CursorMotionAccumulator::process(const RawEvent* rawEvent) {
|
|
if (rawEvent->type == EV_REL) {
|
|
switch (rawEvent->code) {
|
|
case REL_X:
|
|
mRelX = rawEvent->value;
|
|
break;
|
|
case REL_Y:
|
|
mRelY = rawEvent->value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CursorMotionAccumulator::finishSync() {
|
|
clearRelativeAxes();
|
|
}
|
|
|
|
|
|
// --- CursorScrollAccumulator ---
|
|
|
|
CursorScrollAccumulator::CursorScrollAccumulator() :
|
|
mHaveRelWheel(false), mHaveRelHWheel(false) {
|
|
clearRelativeAxes();
|
|
}
|
|
|
|
void CursorScrollAccumulator::configure(InputDevice* device) {
|
|
mHaveRelWheel = device->getEventHub()->hasRelativeAxis(device->getId(), REL_WHEEL);
|
|
mHaveRelHWheel = device->getEventHub()->hasRelativeAxis(device->getId(), REL_HWHEEL);
|
|
}
|
|
|
|
void CursorScrollAccumulator::reset(InputDevice* device) {
|
|
clearRelativeAxes();
|
|
}
|
|
|
|
void CursorScrollAccumulator::clearRelativeAxes() {
|
|
mRelWheel = 0;
|
|
mRelHWheel = 0;
|
|
}
|
|
|
|
void CursorScrollAccumulator::process(const RawEvent* rawEvent) {
|
|
if (rawEvent->type == EV_REL) {
|
|
switch (rawEvent->code) {
|
|
case REL_WHEEL:
|
|
mRelWheel = rawEvent->value;
|
|
break;
|
|
case REL_HWHEEL:
|
|
mRelHWheel = rawEvent->value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CursorScrollAccumulator::finishSync() {
|
|
clearRelativeAxes();
|
|
}
|
|
|
|
|
|
// --- TouchButtonAccumulator ---
|
|
|
|
TouchButtonAccumulator::TouchButtonAccumulator() :
|
|
mHaveBtnTouch(false), mHaveStylus(false) {
|
|
clearButtons();
|
|
}
|
|
|
|
void TouchButtonAccumulator::configure(InputDevice* device) {
|
|
mHaveBtnTouch = device->hasKey(BTN_TOUCH);
|
|
mHaveStylus = device->hasKey(BTN_TOOL_PEN)
|
|
|| device->hasKey(BTN_TOOL_RUBBER)
|
|
|| device->hasKey(BTN_TOOL_BRUSH)
|
|
|| device->hasKey(BTN_TOOL_PENCIL)
|
|
|| device->hasKey(BTN_TOOL_AIRBRUSH);
|
|
}
|
|
|
|
void TouchButtonAccumulator::reset(InputDevice* device) {
|
|
mBtnTouch = device->isKeyPressed(BTN_TOUCH);
|
|
mBtnStylus = device->isKeyPressed(BTN_STYLUS);
|
|
mBtnStylus2 = device->isKeyPressed(BTN_STYLUS);
|
|
mBtnToolFinger = device->isKeyPressed(BTN_TOOL_FINGER);
|
|
mBtnToolPen = device->isKeyPressed(BTN_TOOL_PEN);
|
|
mBtnToolRubber = device->isKeyPressed(BTN_TOOL_RUBBER);
|
|
mBtnToolBrush = device->isKeyPressed(BTN_TOOL_BRUSH);
|
|
mBtnToolPencil = device->isKeyPressed(BTN_TOOL_PENCIL);
|
|
mBtnToolAirbrush = device->isKeyPressed(BTN_TOOL_AIRBRUSH);
|
|
mBtnToolMouse = device->isKeyPressed(BTN_TOOL_MOUSE);
|
|
mBtnToolLens = device->isKeyPressed(BTN_TOOL_LENS);
|
|
mBtnToolDoubleTap = device->isKeyPressed(BTN_TOOL_DOUBLETAP);
|
|
mBtnToolTripleTap = device->isKeyPressed(BTN_TOOL_TRIPLETAP);
|
|
mBtnToolQuadTap = device->isKeyPressed(BTN_TOOL_QUADTAP);
|
|
}
|
|
|
|
void TouchButtonAccumulator::clearButtons() {
|
|
mBtnTouch = 0;
|
|
mBtnStylus = 0;
|
|
mBtnStylus2 = 0;
|
|
mBtnToolFinger = 0;
|
|
mBtnToolPen = 0;
|
|
mBtnToolRubber = 0;
|
|
mBtnToolBrush = 0;
|
|
mBtnToolPencil = 0;
|
|
mBtnToolAirbrush = 0;
|
|
mBtnToolMouse = 0;
|
|
mBtnToolLens = 0;
|
|
mBtnToolDoubleTap = 0;
|
|
mBtnToolTripleTap = 0;
|
|
mBtnToolQuadTap = 0;
|
|
}
|
|
|
|
void TouchButtonAccumulator::process(const RawEvent* rawEvent) {
|
|
if (rawEvent->type == EV_KEY) {
|
|
switch (rawEvent->code) {
|
|
case BTN_TOUCH:
|
|
mBtnTouch = rawEvent->value;
|
|
break;
|
|
case BTN_STYLUS:
|
|
mBtnStylus = rawEvent->value;
|
|
break;
|
|
case BTN_STYLUS2:
|
|
mBtnStylus2 = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_FINGER:
|
|
mBtnToolFinger = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_PEN:
|
|
mBtnToolPen = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_RUBBER:
|
|
mBtnToolRubber = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_BRUSH:
|
|
mBtnToolBrush = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_PENCIL:
|
|
mBtnToolPencil = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_AIRBRUSH:
|
|
mBtnToolAirbrush = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_MOUSE:
|
|
mBtnToolMouse = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_LENS:
|
|
mBtnToolLens = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_DOUBLETAP:
|
|
mBtnToolDoubleTap = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_TRIPLETAP:
|
|
mBtnToolTripleTap = rawEvent->value;
|
|
break;
|
|
case BTN_TOOL_QUADTAP:
|
|
mBtnToolQuadTap = rawEvent->value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t TouchButtonAccumulator::getButtonState() const {
|
|
uint32_t result = 0;
|
|
if (mBtnStylus) {
|
|
result |= AMOTION_EVENT_BUTTON_SECONDARY;
|
|
}
|
|
if (mBtnStylus2) {
|
|
result |= AMOTION_EVENT_BUTTON_TERTIARY;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int32_t TouchButtonAccumulator::getToolType() const {
|
|
if (mBtnToolMouse || mBtnToolLens) {
|
|
return AMOTION_EVENT_TOOL_TYPE_MOUSE;
|
|
}
|
|
if (mBtnToolRubber) {
|
|
return AMOTION_EVENT_TOOL_TYPE_ERASER;
|
|
}
|
|
if (mBtnToolPen || mBtnToolBrush || mBtnToolPencil || mBtnToolAirbrush) {
|
|
return AMOTION_EVENT_TOOL_TYPE_STYLUS;
|
|
}
|
|
if (mBtnToolFinger || mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap) {
|
|
return AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
}
|
|
return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
|
|
}
|
|
|
|
bool TouchButtonAccumulator::isToolActive() const {
|
|
return mBtnTouch || mBtnToolFinger || mBtnToolPen || mBtnToolRubber
|
|
|| mBtnToolBrush || mBtnToolPencil || mBtnToolAirbrush
|
|
|| mBtnToolMouse || mBtnToolLens
|
|
|| mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap;
|
|
}
|
|
|
|
bool TouchButtonAccumulator::isHovering() const {
|
|
return mHaveBtnTouch && !mBtnTouch;
|
|
}
|
|
|
|
bool TouchButtonAccumulator::hasStylus() const {
|
|
return mHaveStylus;
|
|
}
|
|
|
|
|
|
// --- RawPointerAxes ---
|
|
|
|
RawPointerAxes::RawPointerAxes() {
|
|
clear();
|
|
}
|
|
|
|
void RawPointerAxes::clear() {
|
|
x.clear();
|
|
y.clear();
|
|
pressure.clear();
|
|
touchMajor.clear();
|
|
touchMinor.clear();
|
|
toolMajor.clear();
|
|
toolMinor.clear();
|
|
orientation.clear();
|
|
distance.clear();
|
|
tiltX.clear();
|
|
tiltY.clear();
|
|
trackingId.clear();
|
|
slot.clear();
|
|
}
|
|
|
|
|
|
// --- RawPointerData ---
|
|
|
|
RawPointerData::RawPointerData() {
|
|
clear();
|
|
}
|
|
|
|
void RawPointerData::clear() {
|
|
pointerCount = 0;
|
|
clearIdBits();
|
|
}
|
|
|
|
void RawPointerData::copyFrom(const RawPointerData& other) {
|
|
pointerCount = other.pointerCount;
|
|
hoveringIdBits = other.hoveringIdBits;
|
|
touchingIdBits = other.touchingIdBits;
|
|
|
|
for (uint32_t i = 0; i < pointerCount; i++) {
|
|
pointers[i] = other.pointers[i];
|
|
|
|
int id = pointers[i].id;
|
|
idToIndex[id] = other.idToIndex[id];
|
|
}
|
|
}
|
|
|
|
void RawPointerData::getCentroidOfTouchingPointers(float* outX, float* outY) const {
|
|
float x = 0, y = 0;
|
|
uint32_t count = touchingIdBits.count();
|
|
if (count) {
|
|
for (BitSet32 idBits(touchingIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
const Pointer& pointer = pointerForId(id);
|
|
x += pointer.x;
|
|
y += pointer.y;
|
|
}
|
|
x /= count;
|
|
y /= count;
|
|
}
|
|
*outX = x;
|
|
*outY = y;
|
|
}
|
|
|
|
|
|
// --- CookedPointerData ---
|
|
|
|
CookedPointerData::CookedPointerData() {
|
|
clear();
|
|
}
|
|
|
|
void CookedPointerData::clear() {
|
|
pointerCount = 0;
|
|
hoveringIdBits.clear();
|
|
touchingIdBits.clear();
|
|
}
|
|
|
|
void CookedPointerData::copyFrom(const CookedPointerData& other) {
|
|
pointerCount = other.pointerCount;
|
|
hoveringIdBits = other.hoveringIdBits;
|
|
touchingIdBits = other.touchingIdBits;
|
|
|
|
for (uint32_t i = 0; i < pointerCount; i++) {
|
|
pointerProperties[i].copyFrom(other.pointerProperties[i]);
|
|
pointerCoords[i].copyFrom(other.pointerCoords[i]);
|
|
|
|
int id = pointerProperties[i].id;
|
|
idToIndex[id] = other.idToIndex[id];
|
|
}
|
|
}
|
|
|
|
|
|
// --- SingleTouchMotionAccumulator ---
|
|
|
|
SingleTouchMotionAccumulator::SingleTouchMotionAccumulator() {
|
|
clearAbsoluteAxes();
|
|
}
|
|
|
|
void SingleTouchMotionAccumulator::reset(InputDevice* device) {
|
|
mAbsX = device->getAbsoluteAxisValue(ABS_X);
|
|
mAbsY = device->getAbsoluteAxisValue(ABS_Y);
|
|
mAbsPressure = device->getAbsoluteAxisValue(ABS_PRESSURE);
|
|
mAbsToolWidth = device->getAbsoluteAxisValue(ABS_TOOL_WIDTH);
|
|
mAbsDistance = device->getAbsoluteAxisValue(ABS_DISTANCE);
|
|
mAbsTiltX = device->getAbsoluteAxisValue(ABS_TILT_X);
|
|
mAbsTiltY = device->getAbsoluteAxisValue(ABS_TILT_Y);
|
|
}
|
|
|
|
void SingleTouchMotionAccumulator::clearAbsoluteAxes() {
|
|
mAbsX = 0;
|
|
mAbsY = 0;
|
|
mAbsPressure = 0;
|
|
mAbsToolWidth = 0;
|
|
mAbsDistance = 0;
|
|
mAbsTiltX = 0;
|
|
mAbsTiltY = 0;
|
|
}
|
|
|
|
void SingleTouchMotionAccumulator::process(const RawEvent* rawEvent) {
|
|
if (rawEvent->type == EV_ABS) {
|
|
switch (rawEvent->code) {
|
|
case ABS_X:
|
|
mAbsX = rawEvent->value;
|
|
break;
|
|
case ABS_Y:
|
|
mAbsY = rawEvent->value;
|
|
break;
|
|
case ABS_PRESSURE:
|
|
mAbsPressure = rawEvent->value;
|
|
break;
|
|
case ABS_TOOL_WIDTH:
|
|
mAbsToolWidth = rawEvent->value;
|
|
break;
|
|
case ABS_DISTANCE:
|
|
mAbsDistance = rawEvent->value;
|
|
break;
|
|
case ABS_TILT_X:
|
|
mAbsTiltX = rawEvent->value;
|
|
break;
|
|
case ABS_TILT_Y:
|
|
mAbsTiltY = rawEvent->value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// --- MultiTouchMotionAccumulator ---
|
|
|
|
MultiTouchMotionAccumulator::MultiTouchMotionAccumulator() :
|
|
mCurrentSlot(-1), mSlots(NULL), mSlotCount(0), mUsingSlotsProtocol(false),
|
|
mHaveStylus(false) {
|
|
}
|
|
|
|
MultiTouchMotionAccumulator::~MultiTouchMotionAccumulator() {
|
|
delete[] mSlots;
|
|
}
|
|
|
|
void MultiTouchMotionAccumulator::configure(InputDevice* device,
|
|
size_t slotCount, bool usingSlotsProtocol) {
|
|
mSlotCount = slotCount;
|
|
mUsingSlotsProtocol = usingSlotsProtocol;
|
|
mHaveStylus = device->hasAbsoluteAxis(ABS_MT_TOOL_TYPE);
|
|
|
|
delete[] mSlots;
|
|
mSlots = new Slot[slotCount];
|
|
}
|
|
|
|
void MultiTouchMotionAccumulator::reset(InputDevice* device) {
|
|
// Unfortunately there is no way to read the initial contents of the slots.
|
|
// So when we reset the accumulator, we must assume they are all zeroes.
|
|
if (mUsingSlotsProtocol) {
|
|
// Query the driver for the current slot index and use it as the initial slot
|
|
// before we start reading events from the device. It is possible that the
|
|
// current slot index will not be the same as it was when the first event was
|
|
// written into the evdev buffer, which means the input mapper could start
|
|
// out of sync with the initial state of the events in the evdev buffer.
|
|
// In the extremely unlikely case that this happens, the data from
|
|
// two slots will be confused until the next ABS_MT_SLOT event is received.
|
|
// This can cause the touch point to "jump", but at least there will be
|
|
// no stuck touches.
|
|
int32_t initialSlot;
|
|
status_t status = device->getEventHub()->getAbsoluteAxisValue(device->getId(),
|
|
ABS_MT_SLOT, &initialSlot);
|
|
if (status) {
|
|
ALOGD("Could not retrieve current multitouch slot index. status=%d", status);
|
|
initialSlot = -1;
|
|
}
|
|
clearSlots(initialSlot);
|
|
} else {
|
|
clearSlots(-1);
|
|
}
|
|
}
|
|
|
|
void MultiTouchMotionAccumulator::clearSlots(int32_t initialSlot) {
|
|
if (mSlots) {
|
|
for (size_t i = 0; i < mSlotCount; i++) {
|
|
mSlots[i].clear();
|
|
}
|
|
}
|
|
mCurrentSlot = initialSlot;
|
|
}
|
|
|
|
void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
|
|
if (rawEvent->type == EV_ABS) {
|
|
bool newSlot = false;
|
|
if (mUsingSlotsProtocol) {
|
|
if (rawEvent->code == ABS_MT_SLOT) {
|
|
mCurrentSlot = rawEvent->value;
|
|
newSlot = true;
|
|
}
|
|
} else if (mCurrentSlot < 0) {
|
|
mCurrentSlot = 0;
|
|
}
|
|
|
|
if (mCurrentSlot < 0 || size_t(mCurrentSlot) >= mSlotCount) {
|
|
#if DEBUG_POINTERS
|
|
if (newSlot) {
|
|
ALOGW("MultiTouch device emitted invalid slot index %d but it "
|
|
"should be between 0 and %d; ignoring this slot.",
|
|
mCurrentSlot, mSlotCount - 1);
|
|
}
|
|
#endif
|
|
} else {
|
|
Slot* slot = &mSlots[mCurrentSlot];
|
|
|
|
switch (rawEvent->code) {
|
|
case ABS_MT_POSITION_X:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTPositionX = rawEvent->value;
|
|
break;
|
|
case ABS_MT_POSITION_Y:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTPositionY = rawEvent->value;
|
|
break;
|
|
case ABS_MT_TOUCH_MAJOR:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTTouchMajor = rawEvent->value;
|
|
break;
|
|
case ABS_MT_TOUCH_MINOR:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTTouchMinor = rawEvent->value;
|
|
slot->mHaveAbsMTTouchMinor = true;
|
|
break;
|
|
case ABS_MT_WIDTH_MAJOR:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTWidthMajor = rawEvent->value;
|
|
break;
|
|
case ABS_MT_WIDTH_MINOR:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTWidthMinor = rawEvent->value;
|
|
slot->mHaveAbsMTWidthMinor = true;
|
|
break;
|
|
case ABS_MT_ORIENTATION:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTOrientation = rawEvent->value;
|
|
break;
|
|
case ABS_MT_TRACKING_ID:
|
|
if (mUsingSlotsProtocol && rawEvent->value < 0) {
|
|
// The slot is no longer in use but it retains its previous contents,
|
|
// which may be reused for subsequent touches.
|
|
slot->mInUse = false;
|
|
} else {
|
|
slot->mInUse = true;
|
|
slot->mAbsMTTrackingId = rawEvent->value;
|
|
}
|
|
break;
|
|
case ABS_MT_PRESSURE:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTPressure = rawEvent->value;
|
|
break;
|
|
case ABS_MT_DISTANCE:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTDistance = rawEvent->value;
|
|
break;
|
|
case ABS_MT_TOOL_TYPE:
|
|
slot->mInUse = true;
|
|
slot->mAbsMTToolType = rawEvent->value;
|
|
slot->mHaveAbsMTToolType = true;
|
|
break;
|
|
}
|
|
}
|
|
} else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_MT_REPORT) {
|
|
// MultiTouch Sync: The driver has returned all data for *one* of the pointers.
|
|
mCurrentSlot += 1;
|
|
}
|
|
}
|
|
|
|
void MultiTouchMotionAccumulator::finishSync() {
|
|
if (!mUsingSlotsProtocol) {
|
|
clearSlots(-1);
|
|
}
|
|
}
|
|
|
|
bool MultiTouchMotionAccumulator::hasStylus() const {
|
|
return mHaveStylus;
|
|
}
|
|
|
|
|
|
// --- MultiTouchMotionAccumulator::Slot ---
|
|
|
|
MultiTouchMotionAccumulator::Slot::Slot() {
|
|
clear();
|
|
}
|
|
|
|
void MultiTouchMotionAccumulator::Slot::clear() {
|
|
mInUse = false;
|
|
mHaveAbsMTTouchMinor = false;
|
|
mHaveAbsMTWidthMinor = false;
|
|
mHaveAbsMTToolType = false;
|
|
mAbsMTPositionX = 0;
|
|
mAbsMTPositionY = 0;
|
|
mAbsMTTouchMajor = 0;
|
|
mAbsMTTouchMinor = 0;
|
|
mAbsMTWidthMajor = 0;
|
|
mAbsMTWidthMinor = 0;
|
|
mAbsMTOrientation = 0;
|
|
mAbsMTTrackingId = -1;
|
|
mAbsMTPressure = 0;
|
|
mAbsMTDistance = 0;
|
|
mAbsMTToolType = 0;
|
|
}
|
|
|
|
int32_t MultiTouchMotionAccumulator::Slot::getToolType() const {
|
|
if (mHaveAbsMTToolType) {
|
|
switch (mAbsMTToolType) {
|
|
case MT_TOOL_FINGER:
|
|
return AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
case MT_TOOL_PEN:
|
|
return AMOTION_EVENT_TOOL_TYPE_STYLUS;
|
|
}
|
|
}
|
|
return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
|
|
}
|
|
|
|
|
|
// --- InputMapper ---
|
|
|
|
InputMapper::InputMapper(InputDevice* device) :
|
|
mDevice(device), mContext(device->getContext()) {
|
|
}
|
|
|
|
InputMapper::~InputMapper() {
|
|
}
|
|
|
|
void InputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
info->addSource(getSources());
|
|
}
|
|
|
|
void InputMapper::dump(String8& dump) {
|
|
}
|
|
|
|
void InputMapper::configure(nsecs_t when,
|
|
const InputReaderConfiguration* config, uint32_t changes) {
|
|
}
|
|
|
|
void InputMapper::reset(nsecs_t when) {
|
|
}
|
|
|
|
void InputMapper::timeoutExpired(nsecs_t when) {
|
|
}
|
|
|
|
int32_t InputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
|
|
int32_t InputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
|
|
int32_t InputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
|
|
bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
|
|
const int32_t* keyCodes, uint8_t* outFlags) {
|
|
return false;
|
|
}
|
|
|
|
void InputMapper::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
|
|
int32_t token) {
|
|
}
|
|
|
|
void InputMapper::cancelVibrate(int32_t token) {
|
|
}
|
|
|
|
int32_t InputMapper::getMetaState() {
|
|
return 0;
|
|
}
|
|
|
|
void InputMapper::fadePointer() {
|
|
}
|
|
|
|
status_t InputMapper::getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo) {
|
|
return getEventHub()->getAbsoluteAxisInfo(getDeviceId(), axis, axisInfo);
|
|
}
|
|
|
|
void InputMapper::bumpGeneration() {
|
|
mDevice->bumpGeneration();
|
|
}
|
|
|
|
void InputMapper::dumpRawAbsoluteAxisInfo(String8& dump,
|
|
const RawAbsoluteAxisInfo& axis, const char* name) {
|
|
if (axis.valid) {
|
|
dump.appendFormat(INDENT4 "%s: min=%d, max=%d, flat=%d, fuzz=%d, resolution=%d\n",
|
|
name, axis.minValue, axis.maxValue, axis.flat, axis.fuzz, axis.resolution);
|
|
} else {
|
|
dump.appendFormat(INDENT4 "%s: unknown range\n", name);
|
|
}
|
|
}
|
|
|
|
|
|
// --- SwitchInputMapper ---
|
|
|
|
SwitchInputMapper::SwitchInputMapper(InputDevice* device) :
|
|
InputMapper(device), mSwitchValues(0), mUpdatedSwitchMask(0) {
|
|
}
|
|
|
|
SwitchInputMapper::~SwitchInputMapper() {
|
|
}
|
|
|
|
uint32_t SwitchInputMapper::getSources() {
|
|
return AINPUT_SOURCE_SWITCH;
|
|
}
|
|
|
|
void SwitchInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_SW:
|
|
processSwitch(rawEvent->code, rawEvent->value);
|
|
break;
|
|
|
|
case EV_SYN:
|
|
if (rawEvent->code == SYN_REPORT) {
|
|
sync(rawEvent->when);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SwitchInputMapper::processSwitch(int32_t switchCode, int32_t switchValue) {
|
|
if (switchCode >= 0 && switchCode < 32) {
|
|
if (switchValue) {
|
|
mSwitchValues |= 1 << switchCode;
|
|
} else {
|
|
mSwitchValues &= ~(1 << switchCode);
|
|
}
|
|
mUpdatedSwitchMask |= 1 << switchCode;
|
|
}
|
|
}
|
|
|
|
void SwitchInputMapper::sync(nsecs_t when) {
|
|
if (mUpdatedSwitchMask) {
|
|
uint32_t updatedSwitchValues = mSwitchValues & mUpdatedSwitchMask;
|
|
NotifySwitchArgs args(when, 0, updatedSwitchValues, mUpdatedSwitchMask);
|
|
getListener()->notifySwitch(&args);
|
|
|
|
mUpdatedSwitchMask = 0;
|
|
}
|
|
}
|
|
|
|
int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
|
|
return getEventHub()->getSwitchState(getDeviceId(), switchCode);
|
|
}
|
|
|
|
void SwitchInputMapper::dump(String8& dump) {
|
|
dump.append(INDENT2 "Switch Input Mapper:\n");
|
|
dump.appendFormat(INDENT3 "SwitchValues: %x\n", mSwitchValues);
|
|
}
|
|
|
|
// --- VibratorInputMapper ---
|
|
|
|
VibratorInputMapper::VibratorInputMapper(InputDevice* device) :
|
|
InputMapper(device), mVibrating(false) {
|
|
}
|
|
|
|
VibratorInputMapper::~VibratorInputMapper() {
|
|
}
|
|
|
|
uint32_t VibratorInputMapper::getSources() {
|
|
return 0;
|
|
}
|
|
|
|
void VibratorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
info->setVibrator(true);
|
|
}
|
|
|
|
void VibratorInputMapper::process(const RawEvent* rawEvent) {
|
|
// TODO: Handle FF_STATUS, although it does not seem to be widely supported.
|
|
}
|
|
|
|
void VibratorInputMapper::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
|
|
int32_t token) {
|
|
#if DEBUG_VIBRATOR
|
|
String8 patternStr;
|
|
for (size_t i = 0; i < patternSize; i++) {
|
|
if (i != 0) {
|
|
patternStr.append(", ");
|
|
}
|
|
patternStr.appendFormat("%lld", pattern[i]);
|
|
}
|
|
ALOGD("vibrate: deviceId=%d, pattern=[%s], repeat=%ld, token=%d",
|
|
getDeviceId(), patternStr.string(), repeat, token);
|
|
#endif
|
|
|
|
mVibrating = true;
|
|
memcpy(mPattern, pattern, patternSize * sizeof(nsecs_t));
|
|
mPatternSize = patternSize;
|
|
mRepeat = repeat;
|
|
mToken = token;
|
|
mIndex = -1;
|
|
|
|
nextStep();
|
|
}
|
|
|
|
void VibratorInputMapper::cancelVibrate(int32_t token) {
|
|
#if DEBUG_VIBRATOR
|
|
ALOGD("cancelVibrate: deviceId=%d, token=%d", getDeviceId(), token);
|
|
#endif
|
|
|
|
if (mVibrating && mToken == token) {
|
|
stopVibrating();
|
|
}
|
|
}
|
|
|
|
void VibratorInputMapper::timeoutExpired(nsecs_t when) {
|
|
if (mVibrating) {
|
|
if (when >= mNextStepTime) {
|
|
nextStep();
|
|
} else {
|
|
getContext()->requestTimeoutAtTime(mNextStepTime);
|
|
}
|
|
}
|
|
}
|
|
|
|
void VibratorInputMapper::nextStep() {
|
|
mIndex += 1;
|
|
if (size_t(mIndex) >= mPatternSize) {
|
|
if (mRepeat < 0) {
|
|
// We are done.
|
|
stopVibrating();
|
|
return;
|
|
}
|
|
mIndex = mRepeat;
|
|
}
|
|
|
|
bool vibratorOn = mIndex & 1;
|
|
nsecs_t duration = mPattern[mIndex];
|
|
if (vibratorOn) {
|
|
#if DEBUG_VIBRATOR
|
|
ALOGD("nextStep: sending vibrate deviceId=%d, duration=%lld",
|
|
getDeviceId(), duration);
|
|
#endif
|
|
getEventHub()->vibrate(getDeviceId(), duration);
|
|
} else {
|
|
#if DEBUG_VIBRATOR
|
|
ALOGD("nextStep: sending cancel vibrate deviceId=%d", getDeviceId());
|
|
#endif
|
|
getEventHub()->cancelVibrate(getDeviceId());
|
|
}
|
|
nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
|
|
mNextStepTime = now + duration;
|
|
getContext()->requestTimeoutAtTime(mNextStepTime);
|
|
#if DEBUG_VIBRATOR
|
|
ALOGD("nextStep: scheduled timeout in %0.3fms", duration * 0.000001f);
|
|
#endif
|
|
}
|
|
|
|
void VibratorInputMapper::stopVibrating() {
|
|
mVibrating = false;
|
|
#if DEBUG_VIBRATOR
|
|
ALOGD("stopVibrating: sending cancel vibrate deviceId=%d", getDeviceId());
|
|
#endif
|
|
getEventHub()->cancelVibrate(getDeviceId());
|
|
}
|
|
|
|
void VibratorInputMapper::dump(String8& dump) {
|
|
dump.append(INDENT2 "Vibrator Input Mapper:\n");
|
|
dump.appendFormat(INDENT3 "Vibrating: %s\n", toString(mVibrating));
|
|
}
|
|
|
|
|
|
// --- KeyboardInputMapper ---
|
|
|
|
KeyboardInputMapper::KeyboardInputMapper(InputDevice* device,
|
|
uint32_t source, int32_t keyboardType) :
|
|
InputMapper(device), mSource(source),
|
|
mKeyboardType(keyboardType) {
|
|
}
|
|
|
|
KeyboardInputMapper::~KeyboardInputMapper() {
|
|
}
|
|
|
|
uint32_t KeyboardInputMapper::getSources() {
|
|
return mSource;
|
|
}
|
|
|
|
void KeyboardInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
info->setKeyboardType(mKeyboardType);
|
|
info->setKeyCharacterMap(getEventHub()->getKeyCharacterMap(getDeviceId()));
|
|
}
|
|
|
|
void KeyboardInputMapper::dump(String8& dump) {
|
|
dump.append(INDENT2 "Keyboard Input Mapper:\n");
|
|
dumpParameters(dump);
|
|
dump.appendFormat(INDENT3 "KeyboardType: %d\n", mKeyboardType);
|
|
dump.appendFormat(INDENT3 "Orientation: %d\n", mOrientation);
|
|
dump.appendFormat(INDENT3 "KeyDowns: %zu keys currently down\n", mKeyDowns.size());
|
|
dump.appendFormat(INDENT3 "MetaState: 0x%0x\n", mMetaState);
|
|
dump.appendFormat(INDENT3 "DownTime: %lld\n", (long long)mDownTime);
|
|
}
|
|
|
|
|
|
void KeyboardInputMapper::configure(nsecs_t when,
|
|
const InputReaderConfiguration* config, uint32_t changes) {
|
|
InputMapper::configure(when, config, changes);
|
|
|
|
if (!changes) { // first time only
|
|
// Configure basic parameters.
|
|
configureParameters();
|
|
}
|
|
|
|
if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
|
|
if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
|
|
DisplayViewport v;
|
|
if (config->getDisplayInfo(false /*external*/, &v)) {
|
|
mOrientation = v.orientation;
|
|
} else {
|
|
mOrientation = DISPLAY_ORIENTATION_0;
|
|
}
|
|
} else {
|
|
mOrientation = DISPLAY_ORIENTATION_0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void KeyboardInputMapper::configureParameters() {
|
|
mParameters.orientationAware = false;
|
|
getDevice()->getConfiguration().tryGetProperty(String8("keyboard.orientationAware"),
|
|
mParameters.orientationAware);
|
|
|
|
mParameters.hasAssociatedDisplay = false;
|
|
if (mParameters.orientationAware) {
|
|
mParameters.hasAssociatedDisplay = true;
|
|
}
|
|
|
|
mParameters.handlesKeyRepeat = false;
|
|
getDevice()->getConfiguration().tryGetProperty(String8("keyboard.handlesKeyRepeat"),
|
|
mParameters.handlesKeyRepeat);
|
|
}
|
|
|
|
void KeyboardInputMapper::dumpParameters(String8& dump) {
|
|
dump.append(INDENT3 "Parameters:\n");
|
|
dump.appendFormat(INDENT4 "HasAssociatedDisplay: %s\n",
|
|
toString(mParameters.hasAssociatedDisplay));
|
|
dump.appendFormat(INDENT4 "OrientationAware: %s\n",
|
|
toString(mParameters.orientationAware));
|
|
dump.appendFormat(INDENT4 "HandlesKeyRepeat: %s\n",
|
|
toString(mParameters.handlesKeyRepeat));
|
|
}
|
|
|
|
void KeyboardInputMapper::reset(nsecs_t when) {
|
|
mMetaState = AMETA_NONE;
|
|
mDownTime = 0;
|
|
mKeyDowns.clear();
|
|
mCurrentHidUsage = 0;
|
|
|
|
resetLedState();
|
|
|
|
InputMapper::reset(when);
|
|
}
|
|
|
|
void KeyboardInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_KEY: {
|
|
int32_t scanCode = rawEvent->code;
|
|
int32_t usageCode = mCurrentHidUsage;
|
|
mCurrentHidUsage = 0;
|
|
|
|
if (isKeyboardOrGamepadKey(scanCode)) {
|
|
int32_t keyCode;
|
|
uint32_t flags;
|
|
if (getEventHub()->mapKey(getDeviceId(), scanCode, usageCode, &keyCode, &flags)) {
|
|
keyCode = AKEYCODE_UNKNOWN;
|
|
flags = 0;
|
|
}
|
|
processKey(rawEvent->when, rawEvent->value != 0, keyCode, scanCode, flags);
|
|
}
|
|
break;
|
|
}
|
|
case EV_MSC: {
|
|
if (rawEvent->code == MSC_SCAN) {
|
|
mCurrentHidUsage = rawEvent->value;
|
|
}
|
|
break;
|
|
}
|
|
case EV_SYN: {
|
|
if (rawEvent->code == SYN_REPORT) {
|
|
mCurrentHidUsage = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
|
|
return scanCode < BTN_MOUSE
|
|
|| scanCode >= KEY_OK
|
|
|| (scanCode >= BTN_MISC && scanCode < BTN_MOUSE)
|
|
|| (scanCode >= BTN_JOYSTICK && scanCode < BTN_DIGI);
|
|
}
|
|
|
|
void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
|
|
int32_t scanCode, uint32_t policyFlags) {
|
|
|
|
if (down) {
|
|
// Rotate key codes according to orientation if needed.
|
|
if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
|
|
keyCode = rotateKeyCode(keyCode, mOrientation);
|
|
}
|
|
|
|
// Add key down.
|
|
ssize_t keyDownIndex = findKeyDown(scanCode);
|
|
if (keyDownIndex >= 0) {
|
|
// key repeat, be sure to use same keycode as before in case of rotation
|
|
keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
|
|
} else {
|
|
// key down
|
|
if ((policyFlags & POLICY_FLAG_VIRTUAL)
|
|
&& mContext->shouldDropVirtualKey(when,
|
|
getDevice(), keyCode, scanCode)) {
|
|
return;
|
|
}
|
|
|
|
mKeyDowns.push();
|
|
KeyDown& keyDown = mKeyDowns.editTop();
|
|
keyDown.keyCode = keyCode;
|
|
keyDown.scanCode = scanCode;
|
|
}
|
|
|
|
mDownTime = when;
|
|
} else {
|
|
// Remove key down.
|
|
ssize_t keyDownIndex = findKeyDown(scanCode);
|
|
if (keyDownIndex >= 0) {
|
|
// key up, be sure to use same keycode as before in case of rotation
|
|
keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
|
|
mKeyDowns.removeAt(size_t(keyDownIndex));
|
|
} else {
|
|
// key was not actually down
|
|
ALOGI("Dropping key up from device %s because the key was not down. "
|
|
"keyCode=%d, scanCode=%d",
|
|
getDeviceName().string(), keyCode, scanCode);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int32_t oldMetaState = mMetaState;
|
|
int32_t newMetaState = updateMetaState(keyCode, down, oldMetaState);
|
|
bool metaStateChanged = oldMetaState != newMetaState;
|
|
if (metaStateChanged) {
|
|
mMetaState = newMetaState;
|
|
updateLedState(false);
|
|
}
|
|
|
|
nsecs_t downTime = mDownTime;
|
|
|
|
// Key down on external an keyboard should wake the device.
|
|
// We don't do this for internal keyboards to prevent them from waking up in your pocket.
|
|
// For internal keyboards, the key layout file should specify the policy flags for
|
|
// each wake key individually.
|
|
// TODO: Use the input device configuration to control this behavior more finely.
|
|
if (down && getDevice()->isExternal()) {
|
|
policyFlags |= POLICY_FLAG_WAKE;
|
|
}
|
|
|
|
if (mParameters.handlesKeyRepeat) {
|
|
policyFlags |= POLICY_FLAG_DISABLE_KEY_REPEAT;
|
|
}
|
|
|
|
if (metaStateChanged) {
|
|
getContext()->updateGlobalMetaState();
|
|
}
|
|
|
|
if (down && !isMetaKey(keyCode)) {
|
|
getContext()->fadePointer();
|
|
}
|
|
|
|
NotifyKeyArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
|
|
getListener()->notifyKey(&args);
|
|
}
|
|
|
|
ssize_t KeyboardInputMapper::findKeyDown(int32_t scanCode) {
|
|
size_t n = mKeyDowns.size();
|
|
for (size_t i = 0; i < n; i++) {
|
|
if (mKeyDowns[i].scanCode == scanCode) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int32_t KeyboardInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
|
|
return getEventHub()->getKeyCodeState(getDeviceId(), keyCode);
|
|
}
|
|
|
|
int32_t KeyboardInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
|
|
return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
|
|
}
|
|
|
|
bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
|
|
const int32_t* keyCodes, uint8_t* outFlags) {
|
|
return getEventHub()->markSupportedKeyCodes(getDeviceId(), numCodes, keyCodes, outFlags);
|
|
}
|
|
|
|
int32_t KeyboardInputMapper::getMetaState() {
|
|
return mMetaState;
|
|
}
|
|
|
|
void KeyboardInputMapper::resetLedState() {
|
|
initializeLedState(mCapsLockLedState, ALED_CAPS_LOCK);
|
|
initializeLedState(mNumLockLedState, ALED_NUM_LOCK);
|
|
initializeLedState(mScrollLockLedState, ALED_SCROLL_LOCK);
|
|
|
|
updateLedState(true);
|
|
}
|
|
|
|
void KeyboardInputMapper::initializeLedState(LedState& ledState, int32_t led) {
|
|
ledState.avail = getEventHub()->hasLed(getDeviceId(), led);
|
|
ledState.on = false;
|
|
}
|
|
|
|
void KeyboardInputMapper::updateLedState(bool reset) {
|
|
updateLedStateForModifier(mCapsLockLedState, ALED_CAPS_LOCK,
|
|
AMETA_CAPS_LOCK_ON, reset);
|
|
updateLedStateForModifier(mNumLockLedState, ALED_NUM_LOCK,
|
|
AMETA_NUM_LOCK_ON, reset);
|
|
updateLedStateForModifier(mScrollLockLedState, ALED_SCROLL_LOCK,
|
|
AMETA_SCROLL_LOCK_ON, reset);
|
|
}
|
|
|
|
void KeyboardInputMapper::updateLedStateForModifier(LedState& ledState,
|
|
int32_t led, int32_t modifier, bool reset) {
|
|
if (ledState.avail) {
|
|
bool desiredState = (mMetaState & modifier) != 0;
|
|
if (reset || ledState.on != desiredState) {
|
|
getEventHub()->setLedState(getDeviceId(), led, desiredState);
|
|
ledState.on = desiredState;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// --- CursorInputMapper ---
|
|
|
|
CursorInputMapper::CursorInputMapper(InputDevice* device) :
|
|
InputMapper(device) {
|
|
}
|
|
|
|
CursorInputMapper::~CursorInputMapper() {
|
|
}
|
|
|
|
uint32_t CursorInputMapper::getSources() {
|
|
return mSource;
|
|
}
|
|
|
|
void CursorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
if (mParameters.mode == Parameters::MODE_POINTER) {
|
|
float minX, minY, maxX, maxY;
|
|
if (mPointerController->getBounds(&minX, &minY, &maxX, &maxY)) {
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_X, mSource, minX, maxX, 0.0f, 0.0f, 0.0f);
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_Y, mSource, minY, maxY, 0.0f, 0.0f, 0.0f);
|
|
}
|
|
} else {
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_X, mSource, -1.0f, 1.0f, 0.0f, mXScale, 0.0f);
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_Y, mSource, -1.0f, 1.0f, 0.0f, mYScale, 0.0f);
|
|
}
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_PRESSURE, mSource, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
if (mCursorScrollAccumulator.haveRelativeVWheel()) {
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
|
|
}
|
|
if (mCursorScrollAccumulator.haveRelativeHWheel()) {
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
|
|
}
|
|
}
|
|
|
|
void CursorInputMapper::dump(String8& dump) {
|
|
dump.append(INDENT2 "Cursor Input Mapper:\n");
|
|
dumpParameters(dump);
|
|
dump.appendFormat(INDENT3 "XScale: %0.3f\n", mXScale);
|
|
dump.appendFormat(INDENT3 "YScale: %0.3f\n", mYScale);
|
|
dump.appendFormat(INDENT3 "XPrecision: %0.3f\n", mXPrecision);
|
|
dump.appendFormat(INDENT3 "YPrecision: %0.3f\n", mYPrecision);
|
|
dump.appendFormat(INDENT3 "HaveVWheel: %s\n",
|
|
toString(mCursorScrollAccumulator.haveRelativeVWheel()));
|
|
dump.appendFormat(INDENT3 "HaveHWheel: %s\n",
|
|
toString(mCursorScrollAccumulator.haveRelativeHWheel()));
|
|
dump.appendFormat(INDENT3 "VWheelScale: %0.3f\n", mVWheelScale);
|
|
dump.appendFormat(INDENT3 "HWheelScale: %0.3f\n", mHWheelScale);
|
|
dump.appendFormat(INDENT3 "Orientation: %d\n", mOrientation);
|
|
dump.appendFormat(INDENT3 "ButtonState: 0x%08x\n", mButtonState);
|
|
dump.appendFormat(INDENT3 "Down: %s\n", toString(isPointerDown(mButtonState)));
|
|
dump.appendFormat(INDENT3 "DownTime: %lld\n", (long long)mDownTime);
|
|
}
|
|
|
|
void CursorInputMapper::configure(nsecs_t when,
|
|
const InputReaderConfiguration* config, uint32_t changes) {
|
|
InputMapper::configure(when, config, changes);
|
|
|
|
if (!changes) { // first time only
|
|
mCursorScrollAccumulator.configure(getDevice());
|
|
|
|
// Configure basic parameters.
|
|
configureParameters();
|
|
|
|
// Configure device mode.
|
|
switch (mParameters.mode) {
|
|
case Parameters::MODE_POINTER:
|
|
mSource = AINPUT_SOURCE_MOUSE;
|
|
mXPrecision = 1.0f;
|
|
mYPrecision = 1.0f;
|
|
mXScale = 1.0f;
|
|
mYScale = 1.0f;
|
|
mPointerController = getPolicy()->obtainPointerController(getDeviceId());
|
|
break;
|
|
case Parameters::MODE_NAVIGATION:
|
|
mSource = AINPUT_SOURCE_TRACKBALL;
|
|
mXPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
|
|
mYPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
|
|
mXScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
|
|
mYScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
|
|
break;
|
|
}
|
|
|
|
mVWheelScale = 1.0f;
|
|
mHWheelScale = 1.0f;
|
|
}
|
|
|
|
if (!changes || (changes & InputReaderConfiguration::CHANGE_POINTER_SPEED)) {
|
|
mPointerVelocityControl.setParameters(config->pointerVelocityControlParameters);
|
|
mWheelXVelocityControl.setParameters(config->wheelVelocityControlParameters);
|
|
mWheelYVelocityControl.setParameters(config->wheelVelocityControlParameters);
|
|
}
|
|
|
|
if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
|
|
if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
|
|
DisplayViewport v;
|
|
if (config->getDisplayInfo(false /*external*/, &v)) {
|
|
mOrientation = v.orientation;
|
|
} else {
|
|
mOrientation = DISPLAY_ORIENTATION_0;
|
|
}
|
|
} else {
|
|
mOrientation = DISPLAY_ORIENTATION_0;
|
|
}
|
|
bumpGeneration();
|
|
}
|
|
}
|
|
|
|
void CursorInputMapper::configureParameters() {
|
|
mParameters.mode = Parameters::MODE_POINTER;
|
|
String8 cursorModeString;
|
|
if (getDevice()->getConfiguration().tryGetProperty(String8("cursor.mode"), cursorModeString)) {
|
|
if (cursorModeString == "navigation") {
|
|
mParameters.mode = Parameters::MODE_NAVIGATION;
|
|
} else if (cursorModeString != "pointer" && cursorModeString != "default") {
|
|
ALOGW("Invalid value for cursor.mode: '%s'", cursorModeString.string());
|
|
}
|
|
}
|
|
|
|
mParameters.orientationAware = false;
|
|
getDevice()->getConfiguration().tryGetProperty(String8("cursor.orientationAware"),
|
|
mParameters.orientationAware);
|
|
|
|
mParameters.hasAssociatedDisplay = false;
|
|
if (mParameters.mode == Parameters::MODE_POINTER || mParameters.orientationAware) {
|
|
mParameters.hasAssociatedDisplay = true;
|
|
}
|
|
}
|
|
|
|
void CursorInputMapper::dumpParameters(String8& dump) {
|
|
dump.append(INDENT3 "Parameters:\n");
|
|
dump.appendFormat(INDENT4 "HasAssociatedDisplay: %s\n",
|
|
toString(mParameters.hasAssociatedDisplay));
|
|
|
|
switch (mParameters.mode) {
|
|
case Parameters::MODE_POINTER:
|
|
dump.append(INDENT4 "Mode: pointer\n");
|
|
break;
|
|
case Parameters::MODE_NAVIGATION:
|
|
dump.append(INDENT4 "Mode: navigation\n");
|
|
break;
|
|
default:
|
|
ALOG_ASSERT(false);
|
|
}
|
|
|
|
dump.appendFormat(INDENT4 "OrientationAware: %s\n",
|
|
toString(mParameters.orientationAware));
|
|
}
|
|
|
|
void CursorInputMapper::reset(nsecs_t when) {
|
|
mButtonState = 0;
|
|
mDownTime = 0;
|
|
|
|
mPointerVelocityControl.reset();
|
|
mWheelXVelocityControl.reset();
|
|
mWheelYVelocityControl.reset();
|
|
|
|
mCursorButtonAccumulator.reset(getDevice());
|
|
mCursorMotionAccumulator.reset(getDevice());
|
|
mCursorScrollAccumulator.reset(getDevice());
|
|
|
|
InputMapper::reset(when);
|
|
}
|
|
|
|
void CursorInputMapper::process(const RawEvent* rawEvent) {
|
|
mCursorButtonAccumulator.process(rawEvent);
|
|
mCursorMotionAccumulator.process(rawEvent);
|
|
mCursorScrollAccumulator.process(rawEvent);
|
|
|
|
if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
|
|
sync(rawEvent->when);
|
|
}
|
|
}
|
|
|
|
void CursorInputMapper::sync(nsecs_t when) {
|
|
int32_t lastButtonState = mButtonState;
|
|
int32_t currentButtonState = mCursorButtonAccumulator.getButtonState();
|
|
mButtonState = currentButtonState;
|
|
|
|
bool wasDown = isPointerDown(lastButtonState);
|
|
bool down = isPointerDown(currentButtonState);
|
|
bool downChanged;
|
|
if (!wasDown && down) {
|
|
mDownTime = when;
|
|
downChanged = true;
|
|
} else if (wasDown && !down) {
|
|
downChanged = true;
|
|
} else {
|
|
downChanged = false;
|
|
}
|
|
nsecs_t downTime = mDownTime;
|
|
bool buttonsChanged = currentButtonState != lastButtonState;
|
|
bool buttonsPressed = currentButtonState & ~lastButtonState;
|
|
|
|
float deltaX = mCursorMotionAccumulator.getRelativeX() * mXScale;
|
|
float deltaY = mCursorMotionAccumulator.getRelativeY() * mYScale;
|
|
bool moved = deltaX != 0 || deltaY != 0;
|
|
|
|
// Rotate delta according to orientation if needed.
|
|
if (mParameters.orientationAware && mParameters.hasAssociatedDisplay
|
|
&& (deltaX != 0.0f || deltaY != 0.0f)) {
|
|
rotateDelta(mOrientation, &deltaX, &deltaY);
|
|
}
|
|
|
|
// Move the pointer.
|
|
PointerProperties pointerProperties;
|
|
pointerProperties.clear();
|
|
pointerProperties.id = 0;
|
|
pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_MOUSE;
|
|
|
|
PointerCoords pointerCoords;
|
|
pointerCoords.clear();
|
|
|
|
float vscroll = mCursorScrollAccumulator.getRelativeVWheel();
|
|
float hscroll = mCursorScrollAccumulator.getRelativeHWheel();
|
|
bool scrolled = vscroll != 0 || hscroll != 0;
|
|
|
|
mWheelYVelocityControl.move(when, NULL, &vscroll);
|
|
mWheelXVelocityControl.move(when, &hscroll, NULL);
|
|
|
|
mPointerVelocityControl.move(when, &deltaX, &deltaY);
|
|
|
|
int32_t displayId;
|
|
if (mPointerController != NULL) {
|
|
if (moved || scrolled || buttonsChanged) {
|
|
mPointerController->setPresentation(
|
|
PointerControllerInterface::PRESENTATION_POINTER);
|
|
|
|
if (moved) {
|
|
mPointerController->move(deltaX, deltaY);
|
|
}
|
|
|
|
if (buttonsChanged) {
|
|
mPointerController->setButtonState(currentButtonState);
|
|
}
|
|
|
|
mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
|
|
}
|
|
|
|
float x, y;
|
|
mPointerController->getPosition(&x, &y);
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
|
|
displayId = ADISPLAY_ID_DEFAULT;
|
|
} else {
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, deltaX);
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, deltaY);
|
|
displayId = ADISPLAY_ID_NONE;
|
|
}
|
|
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, down ? 1.0f : 0.0f);
|
|
|
|
// Moving an external trackball or mouse should wake the device.
|
|
// We don't do this for internal cursor devices to prevent them from waking up
|
|
// the device in your pocket.
|
|
// TODO: Use the input device configuration to control this behavior more finely.
|
|
uint32_t policyFlags = 0;
|
|
if ((buttonsPressed || moved || scrolled) && getDevice()->isExternal()) {
|
|
policyFlags |= POLICY_FLAG_WAKE;
|
|
}
|
|
|
|
// Synthesize key down from buttons if needed.
|
|
synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, getDeviceId(), mSource,
|
|
policyFlags, lastButtonState, currentButtonState);
|
|
|
|
// Send motion event.
|
|
if (downChanged || moved || scrolled || buttonsChanged) {
|
|
int32_t metaState = mContext->getGlobalMetaState();
|
|
int32_t motionEventAction;
|
|
if (downChanged) {
|
|
motionEventAction = down ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
|
|
} else if (down || mPointerController == NULL) {
|
|
motionEventAction = AMOTION_EVENT_ACTION_MOVE;
|
|
} else {
|
|
motionEventAction = AMOTION_EVENT_ACTION_HOVER_MOVE;
|
|
}
|
|
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
motionEventAction, 0, metaState, currentButtonState, 0,
|
|
displayId, 1, &pointerProperties, &pointerCoords,
|
|
mXPrecision, mYPrecision, downTime);
|
|
getListener()->notifyMotion(&args);
|
|
|
|
// Send hover move after UP to tell the application that the mouse is hovering now.
|
|
if (motionEventAction == AMOTION_EVENT_ACTION_UP
|
|
&& mPointerController != NULL) {
|
|
NotifyMotionArgs hoverArgs(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
|
|
metaState, currentButtonState, AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
displayId, 1, &pointerProperties, &pointerCoords,
|
|
mXPrecision, mYPrecision, downTime);
|
|
getListener()->notifyMotion(&hoverArgs);
|
|
}
|
|
|
|
// Send scroll events.
|
|
if (scrolled) {
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
|
|
|
|
NotifyMotionArgs scrollArgs(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_SCROLL, 0, metaState, currentButtonState,
|
|
AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
displayId, 1, &pointerProperties, &pointerCoords,
|
|
mXPrecision, mYPrecision, downTime);
|
|
getListener()->notifyMotion(&scrollArgs);
|
|
}
|
|
}
|
|
|
|
// Synthesize key up from buttons if needed.
|
|
synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, getDeviceId(), mSource,
|
|
policyFlags, lastButtonState, currentButtonState);
|
|
|
|
mCursorMotionAccumulator.finishSync();
|
|
mCursorScrollAccumulator.finishSync();
|
|
}
|
|
|
|
int32_t CursorInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
|
|
if (scanCode >= BTN_MOUSE && scanCode < BTN_JOYSTICK) {
|
|
return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
|
|
} else {
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
void CursorInputMapper::fadePointer() {
|
|
if (mPointerController != NULL) {
|
|
mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
}
|
|
}
|
|
|
|
|
|
// --- TouchInputMapper ---
|
|
|
|
TouchInputMapper::TouchInputMapper(InputDevice* device) :
|
|
InputMapper(device),
|
|
mSource(0), mDeviceMode(DEVICE_MODE_DISABLED),
|
|
mSurfaceWidth(-1), mSurfaceHeight(-1), mSurfaceLeft(0), mSurfaceTop(0),
|
|
mSurfaceOrientation(DISPLAY_ORIENTATION_0) {
|
|
}
|
|
|
|
TouchInputMapper::~TouchInputMapper() {
|
|
}
|
|
|
|
uint32_t TouchInputMapper::getSources() {
|
|
return mSource;
|
|
}
|
|
|
|
void TouchInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
if (mDeviceMode != DEVICE_MODE_DISABLED) {
|
|
info->addMotionRange(mOrientedRanges.x);
|
|
info->addMotionRange(mOrientedRanges.y);
|
|
info->addMotionRange(mOrientedRanges.pressure);
|
|
|
|
if (mOrientedRanges.haveSize) {
|
|
info->addMotionRange(mOrientedRanges.size);
|
|
}
|
|
|
|
if (mOrientedRanges.haveTouchSize) {
|
|
info->addMotionRange(mOrientedRanges.touchMajor);
|
|
info->addMotionRange(mOrientedRanges.touchMinor);
|
|
}
|
|
|
|
if (mOrientedRanges.haveToolSize) {
|
|
info->addMotionRange(mOrientedRanges.toolMajor);
|
|
info->addMotionRange(mOrientedRanges.toolMinor);
|
|
}
|
|
|
|
if (mOrientedRanges.haveOrientation) {
|
|
info->addMotionRange(mOrientedRanges.orientation);
|
|
}
|
|
|
|
if (mOrientedRanges.haveDistance) {
|
|
info->addMotionRange(mOrientedRanges.distance);
|
|
}
|
|
|
|
if (mOrientedRanges.haveTilt) {
|
|
info->addMotionRange(mOrientedRanges.tilt);
|
|
}
|
|
|
|
if (mCursorScrollAccumulator.haveRelativeVWheel()) {
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
|
|
0.0f);
|
|
}
|
|
if (mCursorScrollAccumulator.haveRelativeHWheel()) {
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
|
|
0.0f);
|
|
}
|
|
if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) {
|
|
const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
|
|
const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_1, mSource, x.min, x.max, x.flat,
|
|
x.fuzz, x.resolution);
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_2, mSource, y.min, y.max, y.flat,
|
|
y.fuzz, y.resolution);
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_3, mSource, x.min, x.max, x.flat,
|
|
x.fuzz, x.resolution);
|
|
info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_4, mSource, y.min, y.max, y.flat,
|
|
y.fuzz, y.resolution);
|
|
}
|
|
info->setButtonUnderPad(mParameters.hasButtonUnderPad);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dump(String8& dump) {
|
|
dump.append(INDENT2 "Touch Input Mapper:\n");
|
|
dumpParameters(dump);
|
|
dumpVirtualKeys(dump);
|
|
dumpRawPointerAxes(dump);
|
|
dumpCalibration(dump);
|
|
dumpAffineTransformation(dump);
|
|
dumpSurface(dump);
|
|
|
|
dump.appendFormat(INDENT3 "Translation and Scaling Factors:\n");
|
|
dump.appendFormat(INDENT4 "XTranslate: %0.3f\n", mXTranslate);
|
|
dump.appendFormat(INDENT4 "YTranslate: %0.3f\n", mYTranslate);
|
|
dump.appendFormat(INDENT4 "XScale: %0.3f\n", mXScale);
|
|
dump.appendFormat(INDENT4 "YScale: %0.3f\n", mYScale);
|
|
dump.appendFormat(INDENT4 "XPrecision: %0.3f\n", mXPrecision);
|
|
dump.appendFormat(INDENT4 "YPrecision: %0.3f\n", mYPrecision);
|
|
dump.appendFormat(INDENT4 "GeometricScale: %0.3f\n", mGeometricScale);
|
|
dump.appendFormat(INDENT4 "PressureScale: %0.3f\n", mPressureScale);
|
|
dump.appendFormat(INDENT4 "SizeScale: %0.3f\n", mSizeScale);
|
|
dump.appendFormat(INDENT4 "OrientationScale: %0.3f\n", mOrientationScale);
|
|
dump.appendFormat(INDENT4 "DistanceScale: %0.3f\n", mDistanceScale);
|
|
dump.appendFormat(INDENT4 "HaveTilt: %s\n", toString(mHaveTilt));
|
|
dump.appendFormat(INDENT4 "TiltXCenter: %0.3f\n", mTiltXCenter);
|
|
dump.appendFormat(INDENT4 "TiltXScale: %0.3f\n", mTiltXScale);
|
|
dump.appendFormat(INDENT4 "TiltYCenter: %0.3f\n", mTiltYCenter);
|
|
dump.appendFormat(INDENT4 "TiltYScale: %0.3f\n", mTiltYScale);
|
|
|
|
dump.appendFormat(INDENT3 "Last Button State: 0x%08x\n", mLastButtonState);
|
|
|
|
dump.appendFormat(INDENT3 "Last Raw Touch: pointerCount=%d\n",
|
|
mLastRawPointerData.pointerCount);
|
|
for (uint32_t i = 0; i < mLastRawPointerData.pointerCount; i++) {
|
|
const RawPointerData::Pointer& pointer = mLastRawPointerData.pointers[i];
|
|
dump.appendFormat(INDENT4 "[%d]: id=%d, x=%d, y=%d, pressure=%d, "
|
|
"touchMajor=%d, touchMinor=%d, toolMajor=%d, toolMinor=%d, "
|
|
"orientation=%d, tiltX=%d, tiltY=%d, distance=%d, "
|
|
"toolType=%d, isHovering=%s\n", i,
|
|
pointer.id, pointer.x, pointer.y, pointer.pressure,
|
|
pointer.touchMajor, pointer.touchMinor,
|
|
pointer.toolMajor, pointer.toolMinor,
|
|
pointer.orientation, pointer.tiltX, pointer.tiltY, pointer.distance,
|
|
pointer.toolType, toString(pointer.isHovering));
|
|
}
|
|
|
|
dump.appendFormat(INDENT3 "Last Cooked Touch: pointerCount=%d\n",
|
|
mLastCookedPointerData.pointerCount);
|
|
for (uint32_t i = 0; i < mLastCookedPointerData.pointerCount; i++) {
|
|
const PointerProperties& pointerProperties = mLastCookedPointerData.pointerProperties[i];
|
|
const PointerCoords& pointerCoords = mLastCookedPointerData.pointerCoords[i];
|
|
dump.appendFormat(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, pressure=%0.3f, "
|
|
"touchMajor=%0.3f, touchMinor=%0.3f, toolMajor=%0.3f, toolMinor=%0.3f, "
|
|
"orientation=%0.3f, tilt=%0.3f, distance=%0.3f, "
|
|
"toolType=%d, isHovering=%s\n", i,
|
|
pointerProperties.id,
|
|
pointerCoords.getX(),
|
|
pointerCoords.getY(),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TILT),
|
|
pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_DISTANCE),
|
|
pointerProperties.toolType,
|
|
toString(mLastCookedPointerData.isHovering(i)));
|
|
}
|
|
|
|
if (mDeviceMode == DEVICE_MODE_POINTER) {
|
|
dump.appendFormat(INDENT3 "Pointer Gesture Detector:\n");
|
|
dump.appendFormat(INDENT4 "XMovementScale: %0.3f\n",
|
|
mPointerXMovementScale);
|
|
dump.appendFormat(INDENT4 "YMovementScale: %0.3f\n",
|
|
mPointerYMovementScale);
|
|
dump.appendFormat(INDENT4 "XZoomScale: %0.3f\n",
|
|
mPointerXZoomScale);
|
|
dump.appendFormat(INDENT4 "YZoomScale: %0.3f\n",
|
|
mPointerYZoomScale);
|
|
dump.appendFormat(INDENT4 "MaxSwipeWidth: %f\n",
|
|
mPointerGestureMaxSwipeWidth);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::configure(nsecs_t when,
|
|
const InputReaderConfiguration* config, uint32_t changes) {
|
|
InputMapper::configure(when, config, changes);
|
|
|
|
mConfig = *config;
|
|
|
|
if (!changes) { // first time only
|
|
// Configure basic parameters.
|
|
configureParameters();
|
|
|
|
// Configure common accumulators.
|
|
mCursorScrollAccumulator.configure(getDevice());
|
|
mTouchButtonAccumulator.configure(getDevice());
|
|
|
|
// Configure absolute axis information.
|
|
configureRawPointerAxes();
|
|
|
|
// Prepare input device calibration.
|
|
parseCalibration();
|
|
resolveCalibration();
|
|
}
|
|
|
|
if (!changes || (changes & InputReaderConfiguration::TOUCH_AFFINE_TRANSFORMATION)) {
|
|
// Update location calibration to reflect current settings
|
|
updateAffineTransformation();
|
|
}
|
|
|
|
if (!changes || (changes & InputReaderConfiguration::CHANGE_POINTER_SPEED)) {
|
|
// Update pointer speed.
|
|
mPointerVelocityControl.setParameters(mConfig.pointerVelocityControlParameters);
|
|
mWheelXVelocityControl.setParameters(mConfig.wheelVelocityControlParameters);
|
|
mWheelYVelocityControl.setParameters(mConfig.wheelVelocityControlParameters);
|
|
}
|
|
|
|
bool resetNeeded = false;
|
|
if (!changes || (changes & (InputReaderConfiguration::CHANGE_DISPLAY_INFO
|
|
| InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT
|
|
| InputReaderConfiguration::CHANGE_SHOW_TOUCHES))) {
|
|
// Configure device sources, surface dimensions, orientation and
|
|
// scaling factors.
|
|
configureSurface(when, &resetNeeded);
|
|
}
|
|
|
|
if (changes && resetNeeded) {
|
|
// Send reset, unless this is the first time the device has been configured,
|
|
// in which case the reader will call reset itself after all mappers are ready.
|
|
getDevice()->notifyReset(when);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::configureParameters() {
|
|
// Use the pointer presentation mode for devices that do not support distinct
|
|
// multitouch. The spot-based presentation relies on being able to accurately
|
|
// locate two or more fingers on the touch pad.
|
|
mParameters.gestureMode = getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_SEMI_MT)
|
|
? Parameters::GESTURE_MODE_POINTER : Parameters::GESTURE_MODE_SPOTS;
|
|
|
|
String8 gestureModeString;
|
|
if (getDevice()->getConfiguration().tryGetProperty(String8("touch.gestureMode"),
|
|
gestureModeString)) {
|
|
if (gestureModeString == "pointer") {
|
|
mParameters.gestureMode = Parameters::GESTURE_MODE_POINTER;
|
|
} else if (gestureModeString == "spots") {
|
|
mParameters.gestureMode = Parameters::GESTURE_MODE_SPOTS;
|
|
} else if (gestureModeString != "default") {
|
|
ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.string());
|
|
}
|
|
}
|
|
|
|
if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_DIRECT)) {
|
|
// The device is a touch screen.
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN;
|
|
} else if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_POINTER)) {
|
|
// The device is a pointing device like a track pad.
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
|
|
} else if (getEventHub()->hasRelativeAxis(getDeviceId(), REL_X)
|
|
|| getEventHub()->hasRelativeAxis(getDeviceId(), REL_Y)) {
|
|
// The device is a cursor device with a touch pad attached.
|
|
// By default don't use the touch pad to move the pointer.
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD;
|
|
} else {
|
|
// The device is a touch pad of unknown purpose.
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
|
|
}
|
|
|
|
mParameters.hasButtonUnderPad=
|
|
getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_BUTTONPAD);
|
|
|
|
String8 deviceTypeString;
|
|
if (getDevice()->getConfiguration().tryGetProperty(String8("touch.deviceType"),
|
|
deviceTypeString)) {
|
|
if (deviceTypeString == "touchScreen") {
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN;
|
|
} else if (deviceTypeString == "touchPad") {
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD;
|
|
} else if (deviceTypeString == "touchNavigation") {
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_NAVIGATION;
|
|
} else if (deviceTypeString == "pointer") {
|
|
mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
|
|
} else if (deviceTypeString != "default") {
|
|
ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.string());
|
|
}
|
|
}
|
|
|
|
mParameters.orientationAware = mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN;
|
|
getDevice()->getConfiguration().tryGetProperty(String8("touch.orientationAware"),
|
|
mParameters.orientationAware);
|
|
|
|
mParameters.hasAssociatedDisplay = false;
|
|
mParameters.associatedDisplayIsExternal = false;
|
|
if (mParameters.orientationAware
|
|
|| mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
|
|
|| mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER) {
|
|
mParameters.hasAssociatedDisplay = true;
|
|
mParameters.associatedDisplayIsExternal =
|
|
mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
|
|
&& getDevice()->isExternal();
|
|
}
|
|
|
|
// Initial downs on external touch devices should wake the device.
|
|
// Normally we don't do this for internal touch screens to prevent them from waking
|
|
// up in your pocket but you can enable it using the input device configuration.
|
|
mParameters.wake = getDevice()->isExternal();
|
|
getDevice()->getConfiguration().tryGetProperty(String8("touch.wake"),
|
|
mParameters.wake);
|
|
}
|
|
|
|
void TouchInputMapper::dumpParameters(String8& dump) {
|
|
dump.append(INDENT3 "Parameters:\n");
|
|
|
|
switch (mParameters.gestureMode) {
|
|
case Parameters::GESTURE_MODE_POINTER:
|
|
dump.append(INDENT4 "GestureMode: pointer\n");
|
|
break;
|
|
case Parameters::GESTURE_MODE_SPOTS:
|
|
dump.append(INDENT4 "GestureMode: spots\n");
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
switch (mParameters.deviceType) {
|
|
case Parameters::DEVICE_TYPE_TOUCH_SCREEN:
|
|
dump.append(INDENT4 "DeviceType: touchScreen\n");
|
|
break;
|
|
case Parameters::DEVICE_TYPE_TOUCH_PAD:
|
|
dump.append(INDENT4 "DeviceType: touchPad\n");
|
|
break;
|
|
case Parameters::DEVICE_TYPE_TOUCH_NAVIGATION:
|
|
dump.append(INDENT4 "DeviceType: touchNavigation\n");
|
|
break;
|
|
case Parameters::DEVICE_TYPE_POINTER:
|
|
dump.append(INDENT4 "DeviceType: pointer\n");
|
|
break;
|
|
default:
|
|
ALOG_ASSERT(false);
|
|
}
|
|
|
|
dump.appendFormat(INDENT4 "AssociatedDisplay: hasAssociatedDisplay=%s, isExternal=%s\n",
|
|
toString(mParameters.hasAssociatedDisplay),
|
|
toString(mParameters.associatedDisplayIsExternal));
|
|
dump.appendFormat(INDENT4 "OrientationAware: %s\n",
|
|
toString(mParameters.orientationAware));
|
|
}
|
|
|
|
void TouchInputMapper::configureRawPointerAxes() {
|
|
mRawPointerAxes.clear();
|
|
}
|
|
|
|
void TouchInputMapper::dumpRawPointerAxes(String8& dump) {
|
|
dump.append(INDENT3 "Raw Touch Axes:\n");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.x, "X");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.y, "Y");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.pressure, "Pressure");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMajor, "TouchMajor");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMinor, "TouchMinor");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMajor, "ToolMajor");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMinor, "ToolMinor");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.orientation, "Orientation");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.distance, "Distance");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltX, "TiltX");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltY, "TiltY");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.trackingId, "TrackingId");
|
|
dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.slot, "Slot");
|
|
}
|
|
|
|
void TouchInputMapper::configureSurface(nsecs_t when, bool* outResetNeeded) {
|
|
int32_t oldDeviceMode = mDeviceMode;
|
|
|
|
// Determine device mode.
|
|
if (mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER
|
|
&& mConfig.pointerGesturesEnabled) {
|
|
mSource = AINPUT_SOURCE_MOUSE;
|
|
mDeviceMode = DEVICE_MODE_POINTER;
|
|
if (hasStylus()) {
|
|
mSource |= AINPUT_SOURCE_STYLUS;
|
|
}
|
|
} else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
|
|
&& mParameters.hasAssociatedDisplay) {
|
|
mSource = AINPUT_SOURCE_TOUCHSCREEN;
|
|
mDeviceMode = DEVICE_MODE_DIRECT;
|
|
if (hasStylus()) {
|
|
mSource |= AINPUT_SOURCE_STYLUS;
|
|
}
|
|
} else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_NAVIGATION) {
|
|
mSource = AINPUT_SOURCE_TOUCH_NAVIGATION;
|
|
mDeviceMode = DEVICE_MODE_NAVIGATION;
|
|
} else {
|
|
mSource = AINPUT_SOURCE_TOUCHPAD;
|
|
mDeviceMode = DEVICE_MODE_UNSCALED;
|
|
}
|
|
|
|
// Ensure we have valid X and Y axes.
|
|
if (!mRawPointerAxes.x.valid || !mRawPointerAxes.y.valid) {
|
|
ALOGW(INDENT "Touch device '%s' did not report support for X or Y axis! "
|
|
"The device will be inoperable.", getDeviceName().string());
|
|
mDeviceMode = DEVICE_MODE_DISABLED;
|
|
return;
|
|
}
|
|
|
|
// Raw width and height in the natural orientation.
|
|
int32_t rawWidth = mRawPointerAxes.x.maxValue - mRawPointerAxes.x.minValue + 1;
|
|
int32_t rawHeight = mRawPointerAxes.y.maxValue - mRawPointerAxes.y.minValue + 1;
|
|
|
|
// Get associated display dimensions.
|
|
DisplayViewport newViewport;
|
|
if (mParameters.hasAssociatedDisplay) {
|
|
if (!mConfig.getDisplayInfo(mParameters.associatedDisplayIsExternal, &newViewport)) {
|
|
ALOGI(INDENT "Touch device '%s' could not query the properties of its associated "
|
|
"display. The device will be inoperable until the display size "
|
|
"becomes available.",
|
|
getDeviceName().string());
|
|
mDeviceMode = DEVICE_MODE_DISABLED;
|
|
return;
|
|
}
|
|
} else {
|
|
newViewport.setNonDisplayViewport(rawWidth, rawHeight);
|
|
}
|
|
bool viewportChanged = mViewport != newViewport;
|
|
if (viewportChanged) {
|
|
mViewport = newViewport;
|
|
|
|
if (mDeviceMode == DEVICE_MODE_DIRECT || mDeviceMode == DEVICE_MODE_POINTER) {
|
|
// Convert rotated viewport to natural surface coordinates.
|
|
int32_t naturalLogicalWidth, naturalLogicalHeight;
|
|
int32_t naturalPhysicalWidth, naturalPhysicalHeight;
|
|
int32_t naturalPhysicalLeft, naturalPhysicalTop;
|
|
int32_t naturalDeviceWidth, naturalDeviceHeight;
|
|
switch (mViewport.orientation) {
|
|
case DISPLAY_ORIENTATION_90:
|
|
naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop;
|
|
naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
|
|
naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
|
|
naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
|
|
naturalPhysicalLeft = mViewport.deviceHeight - mViewport.physicalBottom;
|
|
naturalPhysicalTop = mViewport.physicalLeft;
|
|
naturalDeviceWidth = mViewport.deviceHeight;
|
|
naturalDeviceHeight = mViewport.deviceWidth;
|
|
break;
|
|
case DISPLAY_ORIENTATION_180:
|
|
naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft;
|
|
naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop;
|
|
naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
|
|
naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
|
|
naturalPhysicalLeft = mViewport.deviceWidth - mViewport.physicalRight;
|
|
naturalPhysicalTop = mViewport.deviceHeight - mViewport.physicalBottom;
|
|
naturalDeviceWidth = mViewport.deviceWidth;
|
|
naturalDeviceHeight = mViewport.deviceHeight;
|
|
break;
|
|
case DISPLAY_ORIENTATION_270:
|
|
naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop;
|
|
naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
|
|
naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
|
|
naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
|
|
naturalPhysicalLeft = mViewport.physicalTop;
|
|
naturalPhysicalTop = mViewport.deviceWidth - mViewport.physicalRight;
|
|
naturalDeviceWidth = mViewport.deviceHeight;
|
|
naturalDeviceHeight = mViewport.deviceWidth;
|
|
break;
|
|
case DISPLAY_ORIENTATION_0:
|
|
default:
|
|
naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft;
|
|
naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop;
|
|
naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
|
|
naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
|
|
naturalPhysicalLeft = mViewport.physicalLeft;
|
|
naturalPhysicalTop = mViewport.physicalTop;
|
|
naturalDeviceWidth = mViewport.deviceWidth;
|
|
naturalDeviceHeight = mViewport.deviceHeight;
|
|
break;
|
|
}
|
|
|
|
mSurfaceWidth = naturalLogicalWidth * naturalDeviceWidth / naturalPhysicalWidth;
|
|
mSurfaceHeight = naturalLogicalHeight * naturalDeviceHeight / naturalPhysicalHeight;
|
|
mSurfaceLeft = naturalPhysicalLeft * naturalLogicalWidth / naturalPhysicalWidth;
|
|
mSurfaceTop = naturalPhysicalTop * naturalLogicalHeight / naturalPhysicalHeight;
|
|
|
|
mSurfaceOrientation = mParameters.orientationAware ?
|
|
mViewport.orientation : DISPLAY_ORIENTATION_0;
|
|
} else {
|
|
mSurfaceWidth = rawWidth;
|
|
mSurfaceHeight = rawHeight;
|
|
mSurfaceLeft = 0;
|
|
mSurfaceTop = 0;
|
|
mSurfaceOrientation = DISPLAY_ORIENTATION_0;
|
|
}
|
|
}
|
|
|
|
// If moving between pointer modes, need to reset some state.
|
|
bool deviceModeChanged = mDeviceMode != oldDeviceMode;
|
|
if (deviceModeChanged) {
|
|
mOrientedRanges.clear();
|
|
}
|
|
|
|
// Create pointer controller if needed.
|
|
if (mDeviceMode == DEVICE_MODE_POINTER ||
|
|
(mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches)) {
|
|
if (mPointerController == NULL) {
|
|
mPointerController = getPolicy()->obtainPointerController(getDeviceId());
|
|
}
|
|
} else {
|
|
mPointerController.clear();
|
|
}
|
|
|
|
if (viewportChanged || deviceModeChanged) {
|
|
ALOGI("Device reconfigured: id=%d, name='%s', size %dx%d, orientation %d, mode %d, "
|
|
"display id %d",
|
|
getDeviceId(), getDeviceName().string(), mSurfaceWidth, mSurfaceHeight,
|
|
mSurfaceOrientation, mDeviceMode, mViewport.displayId);
|
|
|
|
// Configure X and Y factors.
|
|
mXScale = float(mSurfaceWidth) / rawWidth;
|
|
mYScale = float(mSurfaceHeight) / rawHeight;
|
|
mXTranslate = -mSurfaceLeft;
|
|
mYTranslate = -mSurfaceTop;
|
|
mXPrecision = 1.0f / mXScale;
|
|
mYPrecision = 1.0f / mYScale;
|
|
|
|
mOrientedRanges.x.axis = AMOTION_EVENT_AXIS_X;
|
|
mOrientedRanges.x.source = mSource;
|
|
mOrientedRanges.y.axis = AMOTION_EVENT_AXIS_Y;
|
|
mOrientedRanges.y.source = mSource;
|
|
|
|
configureVirtualKeys();
|
|
|
|
// Scale factor for terms that are not oriented in a particular axis.
|
|
// If the pixels are square then xScale == yScale otherwise we fake it
|
|
// by choosing an average.
|
|
mGeometricScale = avg(mXScale, mYScale);
|
|
|
|
// Size of diagonal axis.
|
|
float diagonalSize = hypotf(mSurfaceWidth, mSurfaceHeight);
|
|
|
|
// Size factors.
|
|
if (mCalibration.sizeCalibration != Calibration::SIZE_CALIBRATION_NONE) {
|
|
if (mRawPointerAxes.touchMajor.valid
|
|
&& mRawPointerAxes.touchMajor.maxValue != 0) {
|
|
mSizeScale = 1.0f / mRawPointerAxes.touchMajor.maxValue;
|
|
} else if (mRawPointerAxes.toolMajor.valid
|
|
&& mRawPointerAxes.toolMajor.maxValue != 0) {
|
|
mSizeScale = 1.0f / mRawPointerAxes.toolMajor.maxValue;
|
|
} else {
|
|
mSizeScale = 0.0f;
|
|
}
|
|
|
|
mOrientedRanges.haveTouchSize = true;
|
|
mOrientedRanges.haveToolSize = true;
|
|
mOrientedRanges.haveSize = true;
|
|
|
|
mOrientedRanges.touchMajor.axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR;
|
|
mOrientedRanges.touchMajor.source = mSource;
|
|
mOrientedRanges.touchMajor.min = 0;
|
|
mOrientedRanges.touchMajor.max = diagonalSize;
|
|
mOrientedRanges.touchMajor.flat = 0;
|
|
mOrientedRanges.touchMajor.fuzz = 0;
|
|
mOrientedRanges.touchMajor.resolution = 0;
|
|
|
|
mOrientedRanges.touchMinor = mOrientedRanges.touchMajor;
|
|
mOrientedRanges.touchMinor.axis = AMOTION_EVENT_AXIS_TOUCH_MINOR;
|
|
|
|
mOrientedRanges.toolMajor.axis = AMOTION_EVENT_AXIS_TOOL_MAJOR;
|
|
mOrientedRanges.toolMajor.source = mSource;
|
|
mOrientedRanges.toolMajor.min = 0;
|
|
mOrientedRanges.toolMajor.max = diagonalSize;
|
|
mOrientedRanges.toolMajor.flat = 0;
|
|
mOrientedRanges.toolMajor.fuzz = 0;
|
|
mOrientedRanges.toolMajor.resolution = 0;
|
|
|
|
mOrientedRanges.toolMinor = mOrientedRanges.toolMajor;
|
|
mOrientedRanges.toolMinor.axis = AMOTION_EVENT_AXIS_TOOL_MINOR;
|
|
|
|
mOrientedRanges.size.axis = AMOTION_EVENT_AXIS_SIZE;
|
|
mOrientedRanges.size.source = mSource;
|
|
mOrientedRanges.size.min = 0;
|
|
mOrientedRanges.size.max = 1.0;
|
|
mOrientedRanges.size.flat = 0;
|
|
mOrientedRanges.size.fuzz = 0;
|
|
mOrientedRanges.size.resolution = 0;
|
|
} else {
|
|
mSizeScale = 0.0f;
|
|
}
|
|
|
|
// Pressure factors.
|
|
mPressureScale = 0;
|
|
if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_PHYSICAL
|
|
|| mCalibration.pressureCalibration
|
|
== Calibration::PRESSURE_CALIBRATION_AMPLITUDE) {
|
|
if (mCalibration.havePressureScale) {
|
|
mPressureScale = mCalibration.pressureScale;
|
|
} else if (mRawPointerAxes.pressure.valid
|
|
&& mRawPointerAxes.pressure.maxValue != 0) {
|
|
mPressureScale = 1.0f / mRawPointerAxes.pressure.maxValue;
|
|
}
|
|
}
|
|
|
|
mOrientedRanges.pressure.axis = AMOTION_EVENT_AXIS_PRESSURE;
|
|
mOrientedRanges.pressure.source = mSource;
|
|
mOrientedRanges.pressure.min = 0;
|
|
mOrientedRanges.pressure.max = 1.0;
|
|
mOrientedRanges.pressure.flat = 0;
|
|
mOrientedRanges.pressure.fuzz = 0;
|
|
mOrientedRanges.pressure.resolution = 0;
|
|
|
|
// Tilt
|
|
mTiltXCenter = 0;
|
|
mTiltXScale = 0;
|
|
mTiltYCenter = 0;
|
|
mTiltYScale = 0;
|
|
mHaveTilt = mRawPointerAxes.tiltX.valid && mRawPointerAxes.tiltY.valid;
|
|
if (mHaveTilt) {
|
|
mTiltXCenter = avg(mRawPointerAxes.tiltX.minValue,
|
|
mRawPointerAxes.tiltX.maxValue);
|
|
mTiltYCenter = avg(mRawPointerAxes.tiltY.minValue,
|
|
mRawPointerAxes.tiltY.maxValue);
|
|
mTiltXScale = M_PI / 180;
|
|
mTiltYScale = M_PI / 180;
|
|
|
|
mOrientedRanges.haveTilt = true;
|
|
|
|
mOrientedRanges.tilt.axis = AMOTION_EVENT_AXIS_TILT;
|
|
mOrientedRanges.tilt.source = mSource;
|
|
mOrientedRanges.tilt.min = 0;
|
|
mOrientedRanges.tilt.max = M_PI_2;
|
|
mOrientedRanges.tilt.flat = 0;
|
|
mOrientedRanges.tilt.fuzz = 0;
|
|
mOrientedRanges.tilt.resolution = 0;
|
|
}
|
|
|
|
// Orientation
|
|
mOrientationScale = 0;
|
|
if (mHaveTilt) {
|
|
mOrientedRanges.haveOrientation = true;
|
|
|
|
mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
|
|
mOrientedRanges.orientation.source = mSource;
|
|
mOrientedRanges.orientation.min = -M_PI;
|
|
mOrientedRanges.orientation.max = M_PI;
|
|
mOrientedRanges.orientation.flat = 0;
|
|
mOrientedRanges.orientation.fuzz = 0;
|
|
mOrientedRanges.orientation.resolution = 0;
|
|
} else if (mCalibration.orientationCalibration !=
|
|
Calibration::ORIENTATION_CALIBRATION_NONE) {
|
|
if (mCalibration.orientationCalibration
|
|
== Calibration::ORIENTATION_CALIBRATION_INTERPOLATED) {
|
|
if (mRawPointerAxes.orientation.valid) {
|
|
if (mRawPointerAxes.orientation.maxValue > 0) {
|
|
mOrientationScale = M_PI_2 / mRawPointerAxes.orientation.maxValue;
|
|
} else if (mRawPointerAxes.orientation.minValue < 0) {
|
|
mOrientationScale = -M_PI_2 / mRawPointerAxes.orientation.minValue;
|
|
} else {
|
|
mOrientationScale = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
mOrientedRanges.haveOrientation = true;
|
|
|
|
mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
|
|
mOrientedRanges.orientation.source = mSource;
|
|
mOrientedRanges.orientation.min = -M_PI_2;
|
|
mOrientedRanges.orientation.max = M_PI_2;
|
|
mOrientedRanges.orientation.flat = 0;
|
|
mOrientedRanges.orientation.fuzz = 0;
|
|
mOrientedRanges.orientation.resolution = 0;
|
|
}
|
|
|
|
// Distance
|
|
mDistanceScale = 0;
|
|
if (mCalibration.distanceCalibration != Calibration::DISTANCE_CALIBRATION_NONE) {
|
|
if (mCalibration.distanceCalibration
|
|
== Calibration::DISTANCE_CALIBRATION_SCALED) {
|
|
if (mCalibration.haveDistanceScale) {
|
|
mDistanceScale = mCalibration.distanceScale;
|
|
} else {
|
|
mDistanceScale = 1.0f;
|
|
}
|
|
}
|
|
|
|
mOrientedRanges.haveDistance = true;
|
|
|
|
mOrientedRanges.distance.axis = AMOTION_EVENT_AXIS_DISTANCE;
|
|
mOrientedRanges.distance.source = mSource;
|
|
mOrientedRanges.distance.min =
|
|
mRawPointerAxes.distance.minValue * mDistanceScale;
|
|
mOrientedRanges.distance.max =
|
|
mRawPointerAxes.distance.maxValue * mDistanceScale;
|
|
mOrientedRanges.distance.flat = 0;
|
|
mOrientedRanges.distance.fuzz =
|
|
mRawPointerAxes.distance.fuzz * mDistanceScale;
|
|
mOrientedRanges.distance.resolution = 0;
|
|
}
|
|
|
|
// Compute oriented precision, scales and ranges.
|
|
// Note that the maximum value reported is an inclusive maximum value so it is one
|
|
// unit less than the total width or height of surface.
|
|
switch (mSurfaceOrientation) {
|
|
case DISPLAY_ORIENTATION_90:
|
|
case DISPLAY_ORIENTATION_270:
|
|
mOrientedXPrecision = mYPrecision;
|
|
mOrientedYPrecision = mXPrecision;
|
|
|
|
mOrientedRanges.x.min = mYTranslate;
|
|
mOrientedRanges.x.max = mSurfaceHeight + mYTranslate - 1;
|
|
mOrientedRanges.x.flat = 0;
|
|
mOrientedRanges.x.fuzz = 0;
|
|
mOrientedRanges.x.resolution = mRawPointerAxes.y.resolution * mYScale;
|
|
|
|
mOrientedRanges.y.min = mXTranslate;
|
|
mOrientedRanges.y.max = mSurfaceWidth + mXTranslate - 1;
|
|
mOrientedRanges.y.flat = 0;
|
|
mOrientedRanges.y.fuzz = 0;
|
|
mOrientedRanges.y.resolution = mRawPointerAxes.x.resolution * mXScale;
|
|
break;
|
|
|
|
default:
|
|
mOrientedXPrecision = mXPrecision;
|
|
mOrientedYPrecision = mYPrecision;
|
|
|
|
mOrientedRanges.x.min = mXTranslate;
|
|
mOrientedRanges.x.max = mSurfaceWidth + mXTranslate - 1;
|
|
mOrientedRanges.x.flat = 0;
|
|
mOrientedRanges.x.fuzz = 0;
|
|
mOrientedRanges.x.resolution = mRawPointerAxes.x.resolution * mXScale;
|
|
|
|
mOrientedRanges.y.min = mYTranslate;
|
|
mOrientedRanges.y.max = mSurfaceHeight + mYTranslate - 1;
|
|
mOrientedRanges.y.flat = 0;
|
|
mOrientedRanges.y.fuzz = 0;
|
|
mOrientedRanges.y.resolution = mRawPointerAxes.y.resolution * mYScale;
|
|
break;
|
|
}
|
|
|
|
// Location
|
|
updateAffineTransformation();
|
|
|
|
if (mDeviceMode == DEVICE_MODE_POINTER) {
|
|
// Compute pointer gesture detection parameters.
|
|
float rawDiagonal = hypotf(rawWidth, rawHeight);
|
|
float displayDiagonal = hypotf(mSurfaceWidth, mSurfaceHeight);
|
|
|
|
// Scale movements such that one whole swipe of the touch pad covers a
|
|
// given area relative to the diagonal size of the display when no acceleration
|
|
// is applied.
|
|
// Assume that the touch pad has a square aspect ratio such that movements in
|
|
// X and Y of the same number of raw units cover the same physical distance.
|
|
mPointerXMovementScale = mConfig.pointerGestureMovementSpeedRatio
|
|
* displayDiagonal / rawDiagonal;
|
|
mPointerYMovementScale = mPointerXMovementScale;
|
|
|
|
// Scale zooms to cover a smaller range of the display than movements do.
|
|
// This value determines the area around the pointer that is affected by freeform
|
|
// pointer gestures.
|
|
mPointerXZoomScale = mConfig.pointerGestureZoomSpeedRatio
|
|
* displayDiagonal / rawDiagonal;
|
|
mPointerYZoomScale = mPointerXZoomScale;
|
|
|
|
// Max width between pointers to detect a swipe gesture is more than some fraction
|
|
// of the diagonal axis of the touch pad. Touches that are wider than this are
|
|
// translated into freeform gestures.
|
|
mPointerGestureMaxSwipeWidth =
|
|
mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal;
|
|
|
|
// Abort current pointer usages because the state has changed.
|
|
abortPointerUsage(when, 0 /*policyFlags*/);
|
|
}
|
|
|
|
// Inform the dispatcher about the changes.
|
|
*outResetNeeded = true;
|
|
bumpGeneration();
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dumpSurface(String8& dump) {
|
|
dump.appendFormat(INDENT3 "Viewport: displayId=%d, orientation=%d, "
|
|
"logicalFrame=[%d, %d, %d, %d], "
|
|
"physicalFrame=[%d, %d, %d, %d], "
|
|
"deviceSize=[%d, %d]\n",
|
|
mViewport.displayId, mViewport.orientation,
|
|
mViewport.logicalLeft, mViewport.logicalTop,
|
|
mViewport.logicalRight, mViewport.logicalBottom,
|
|
mViewport.physicalLeft, mViewport.physicalTop,
|
|
mViewport.physicalRight, mViewport.physicalBottom,
|
|
mViewport.deviceWidth, mViewport.deviceHeight);
|
|
|
|
dump.appendFormat(INDENT3 "SurfaceWidth: %dpx\n", mSurfaceWidth);
|
|
dump.appendFormat(INDENT3 "SurfaceHeight: %dpx\n", mSurfaceHeight);
|
|
dump.appendFormat(INDENT3 "SurfaceLeft: %d\n", mSurfaceLeft);
|
|
dump.appendFormat(INDENT3 "SurfaceTop: %d\n", mSurfaceTop);
|
|
dump.appendFormat(INDENT3 "SurfaceOrientation: %d\n", mSurfaceOrientation);
|
|
}
|
|
|
|
void TouchInputMapper::configureVirtualKeys() {
|
|
Vector<VirtualKeyDefinition> virtualKeyDefinitions;
|
|
getEventHub()->getVirtualKeyDefinitions(getDeviceId(), virtualKeyDefinitions);
|
|
|
|
mVirtualKeys.clear();
|
|
|
|
if (virtualKeyDefinitions.size() == 0) {
|
|
return;
|
|
}
|
|
|
|
mVirtualKeys.setCapacity(virtualKeyDefinitions.size());
|
|
|
|
int32_t touchScreenLeft = mRawPointerAxes.x.minValue;
|
|
int32_t touchScreenTop = mRawPointerAxes.y.minValue;
|
|
int32_t touchScreenWidth = mRawPointerAxes.x.maxValue - mRawPointerAxes.x.minValue + 1;
|
|
int32_t touchScreenHeight = mRawPointerAxes.y.maxValue - mRawPointerAxes.y.minValue + 1;
|
|
|
|
for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
|
|
const VirtualKeyDefinition& virtualKeyDefinition =
|
|
virtualKeyDefinitions[i];
|
|
|
|
mVirtualKeys.add();
|
|
VirtualKey& virtualKey = mVirtualKeys.editTop();
|
|
|
|
virtualKey.scanCode = virtualKeyDefinition.scanCode;
|
|
int32_t keyCode;
|
|
uint32_t flags;
|
|
if (getEventHub()->mapKey(getDeviceId(), virtualKey.scanCode, 0, &keyCode, &flags)) {
|
|
ALOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring",
|
|
virtualKey.scanCode);
|
|
mVirtualKeys.pop(); // drop the key
|
|
continue;
|
|
}
|
|
|
|
virtualKey.keyCode = keyCode;
|
|
virtualKey.flags = flags;
|
|
|
|
// convert the key definition's display coordinates into touch coordinates for a hit box
|
|
int32_t halfWidth = virtualKeyDefinition.width / 2;
|
|
int32_t halfHeight = virtualKeyDefinition.height / 2;
|
|
|
|
virtualKey.hitLeft = (virtualKeyDefinition.centerX - halfWidth)
|
|
* touchScreenWidth / mSurfaceWidth + touchScreenLeft;
|
|
virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
|
|
* touchScreenWidth / mSurfaceWidth + touchScreenLeft;
|
|
virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
|
|
* touchScreenHeight / mSurfaceHeight + touchScreenTop;
|
|
virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
|
|
* touchScreenHeight / mSurfaceHeight + touchScreenTop;
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dumpVirtualKeys(String8& dump) {
|
|
if (!mVirtualKeys.isEmpty()) {
|
|
dump.append(INDENT3 "Virtual Keys:\n");
|
|
|
|
for (size_t i = 0; i < mVirtualKeys.size(); i++) {
|
|
const VirtualKey& virtualKey = mVirtualKeys.itemAt(i);
|
|
dump.appendFormat(INDENT4 "%zu: scanCode=%d, keyCode=%d, "
|
|
"hitLeft=%d, hitRight=%d, hitTop=%d, hitBottom=%d\n",
|
|
i, virtualKey.scanCode, virtualKey.keyCode,
|
|
virtualKey.hitLeft, virtualKey.hitRight,
|
|
virtualKey.hitTop, virtualKey.hitBottom);
|
|
}
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::parseCalibration() {
|
|
const PropertyMap& in = getDevice()->getConfiguration();
|
|
Calibration& out = mCalibration;
|
|
|
|
// Size
|
|
out.sizeCalibration = Calibration::SIZE_CALIBRATION_DEFAULT;
|
|
String8 sizeCalibrationString;
|
|
if (in.tryGetProperty(String8("touch.size.calibration"), sizeCalibrationString)) {
|
|
if (sizeCalibrationString == "none") {
|
|
out.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
|
|
} else if (sizeCalibrationString == "geometric") {
|
|
out.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC;
|
|
} else if (sizeCalibrationString == "diameter") {
|
|
out.sizeCalibration = Calibration::SIZE_CALIBRATION_DIAMETER;
|
|
} else if (sizeCalibrationString == "box") {
|
|
out.sizeCalibration = Calibration::SIZE_CALIBRATION_BOX;
|
|
} else if (sizeCalibrationString == "area") {
|
|
out.sizeCalibration = Calibration::SIZE_CALIBRATION_AREA;
|
|
} else if (sizeCalibrationString != "default") {
|
|
ALOGW("Invalid value for touch.size.calibration: '%s'",
|
|
sizeCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
out.haveSizeScale = in.tryGetProperty(String8("touch.size.scale"),
|
|
out.sizeScale);
|
|
out.haveSizeBias = in.tryGetProperty(String8("touch.size.bias"),
|
|
out.sizeBias);
|
|
out.haveSizeIsSummed = in.tryGetProperty(String8("touch.size.isSummed"),
|
|
out.sizeIsSummed);
|
|
|
|
// Pressure
|
|
out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_DEFAULT;
|
|
String8 pressureCalibrationString;
|
|
if (in.tryGetProperty(String8("touch.pressure.calibration"), pressureCalibrationString)) {
|
|
if (pressureCalibrationString == "none") {
|
|
out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
|
|
} else if (pressureCalibrationString == "physical") {
|
|
out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL;
|
|
} else if (pressureCalibrationString == "amplitude") {
|
|
out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_AMPLITUDE;
|
|
} else if (pressureCalibrationString != "default") {
|
|
ALOGW("Invalid value for touch.pressure.calibration: '%s'",
|
|
pressureCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"),
|
|
out.pressureScale);
|
|
|
|
// Orientation
|
|
out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_DEFAULT;
|
|
String8 orientationCalibrationString;
|
|
if (in.tryGetProperty(String8("touch.orientation.calibration"), orientationCalibrationString)) {
|
|
if (orientationCalibrationString == "none") {
|
|
out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
|
|
} else if (orientationCalibrationString == "interpolated") {
|
|
out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
|
|
} else if (orientationCalibrationString == "vector") {
|
|
out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_VECTOR;
|
|
} else if (orientationCalibrationString != "default") {
|
|
ALOGW("Invalid value for touch.orientation.calibration: '%s'",
|
|
orientationCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
// Distance
|
|
out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_DEFAULT;
|
|
String8 distanceCalibrationString;
|
|
if (in.tryGetProperty(String8("touch.distance.calibration"), distanceCalibrationString)) {
|
|
if (distanceCalibrationString == "none") {
|
|
out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE;
|
|
} else if (distanceCalibrationString == "scaled") {
|
|
out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED;
|
|
} else if (distanceCalibrationString != "default") {
|
|
ALOGW("Invalid value for touch.distance.calibration: '%s'",
|
|
distanceCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
out.haveDistanceScale = in.tryGetProperty(String8("touch.distance.scale"),
|
|
out.distanceScale);
|
|
|
|
out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_DEFAULT;
|
|
String8 coverageCalibrationString;
|
|
if (in.tryGetProperty(String8("touch.coverage.calibration"), coverageCalibrationString)) {
|
|
if (coverageCalibrationString == "none") {
|
|
out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE;
|
|
} else if (coverageCalibrationString == "box") {
|
|
out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_BOX;
|
|
} else if (coverageCalibrationString != "default") {
|
|
ALOGW("Invalid value for touch.coverage.calibration: '%s'",
|
|
coverageCalibrationString.string());
|
|
}
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::resolveCalibration() {
|
|
// Size
|
|
if (mRawPointerAxes.touchMajor.valid || mRawPointerAxes.toolMajor.valid) {
|
|
if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DEFAULT) {
|
|
mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC;
|
|
}
|
|
} else {
|
|
mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
|
|
}
|
|
|
|
// Pressure
|
|
if (mRawPointerAxes.pressure.valid) {
|
|
if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_DEFAULT) {
|
|
mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL;
|
|
}
|
|
} else {
|
|
mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
|
|
}
|
|
|
|
// Orientation
|
|
if (mRawPointerAxes.orientation.valid) {
|
|
if (mCalibration.orientationCalibration == Calibration::ORIENTATION_CALIBRATION_DEFAULT) {
|
|
mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
|
|
}
|
|
} else {
|
|
mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
|
|
}
|
|
|
|
// Distance
|
|
if (mRawPointerAxes.distance.valid) {
|
|
if (mCalibration.distanceCalibration == Calibration::DISTANCE_CALIBRATION_DEFAULT) {
|
|
mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED;
|
|
}
|
|
} else {
|
|
mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE;
|
|
}
|
|
|
|
// Coverage
|
|
if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_DEFAULT) {
|
|
mCalibration.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE;
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dumpCalibration(String8& dump) {
|
|
dump.append(INDENT3 "Calibration:\n");
|
|
|
|
// Size
|
|
switch (mCalibration.sizeCalibration) {
|
|
case Calibration::SIZE_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.size.calibration: none\n");
|
|
break;
|
|
case Calibration::SIZE_CALIBRATION_GEOMETRIC:
|
|
dump.append(INDENT4 "touch.size.calibration: geometric\n");
|
|
break;
|
|
case Calibration::SIZE_CALIBRATION_DIAMETER:
|
|
dump.append(INDENT4 "touch.size.calibration: diameter\n");
|
|
break;
|
|
case Calibration::SIZE_CALIBRATION_BOX:
|
|
dump.append(INDENT4 "touch.size.calibration: box\n");
|
|
break;
|
|
case Calibration::SIZE_CALIBRATION_AREA:
|
|
dump.append(INDENT4 "touch.size.calibration: area\n");
|
|
break;
|
|
default:
|
|
ALOG_ASSERT(false);
|
|
}
|
|
|
|
if (mCalibration.haveSizeScale) {
|
|
dump.appendFormat(INDENT4 "touch.size.scale: %0.3f\n",
|
|
mCalibration.sizeScale);
|
|
}
|
|
|
|
if (mCalibration.haveSizeBias) {
|
|
dump.appendFormat(INDENT4 "touch.size.bias: %0.3f\n",
|
|
mCalibration.sizeBias);
|
|
}
|
|
|
|
if (mCalibration.haveSizeIsSummed) {
|
|
dump.appendFormat(INDENT4 "touch.size.isSummed: %s\n",
|
|
toString(mCalibration.sizeIsSummed));
|
|
}
|
|
|
|
// Pressure
|
|
switch (mCalibration.pressureCalibration) {
|
|
case Calibration::PRESSURE_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.pressure.calibration: none\n");
|
|
break;
|
|
case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
|
|
dump.append(INDENT4 "touch.pressure.calibration: physical\n");
|
|
break;
|
|
case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
|
|
dump.append(INDENT4 "touch.pressure.calibration: amplitude\n");
|
|
break;
|
|
default:
|
|
ALOG_ASSERT(false);
|
|
}
|
|
|
|
if (mCalibration.havePressureScale) {
|
|
dump.appendFormat(INDENT4 "touch.pressure.scale: %0.3f\n",
|
|
mCalibration.pressureScale);
|
|
}
|
|
|
|
// Orientation
|
|
switch (mCalibration.orientationCalibration) {
|
|
case Calibration::ORIENTATION_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.orientation.calibration: none\n");
|
|
break;
|
|
case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
|
|
dump.append(INDENT4 "touch.orientation.calibration: interpolated\n");
|
|
break;
|
|
case Calibration::ORIENTATION_CALIBRATION_VECTOR:
|
|
dump.append(INDENT4 "touch.orientation.calibration: vector\n");
|
|
break;
|
|
default:
|
|
ALOG_ASSERT(false);
|
|
}
|
|
|
|
// Distance
|
|
switch (mCalibration.distanceCalibration) {
|
|
case Calibration::DISTANCE_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.distance.calibration: none\n");
|
|
break;
|
|
case Calibration::DISTANCE_CALIBRATION_SCALED:
|
|
dump.append(INDENT4 "touch.distance.calibration: scaled\n");
|
|
break;
|
|
default:
|
|
ALOG_ASSERT(false);
|
|
}
|
|
|
|
if (mCalibration.haveDistanceScale) {
|
|
dump.appendFormat(INDENT4 "touch.distance.scale: %0.3f\n",
|
|
mCalibration.distanceScale);
|
|
}
|
|
|
|
switch (mCalibration.coverageCalibration) {
|
|
case Calibration::COVERAGE_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.coverage.calibration: none\n");
|
|
break;
|
|
case Calibration::COVERAGE_CALIBRATION_BOX:
|
|
dump.append(INDENT4 "touch.coverage.calibration: box\n");
|
|
break;
|
|
default:
|
|
ALOG_ASSERT(false);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dumpAffineTransformation(String8& dump) {
|
|
dump.append(INDENT3 "Affine Transformation:\n");
|
|
|
|
dump.appendFormat(INDENT4 "X scale: %0.3f\n", mAffineTransform.x_scale);
|
|
dump.appendFormat(INDENT4 "X ymix: %0.3f\n", mAffineTransform.x_ymix);
|
|
dump.appendFormat(INDENT4 "X offset: %0.3f\n", mAffineTransform.x_offset);
|
|
dump.appendFormat(INDENT4 "Y xmix: %0.3f\n", mAffineTransform.y_xmix);
|
|
dump.appendFormat(INDENT4 "Y scale: %0.3f\n", mAffineTransform.y_scale);
|
|
dump.appendFormat(INDENT4 "Y offset: %0.3f\n", mAffineTransform.y_offset);
|
|
}
|
|
|
|
void TouchInputMapper::updateAffineTransformation() {
|
|
mAffineTransform = getPolicy()->getTouchAffineTransformation(mDevice->getDescriptor(),
|
|
mSurfaceOrientation);
|
|
}
|
|
|
|
void TouchInputMapper::reset(nsecs_t when) {
|
|
mCursorButtonAccumulator.reset(getDevice());
|
|
mCursorScrollAccumulator.reset(getDevice());
|
|
mTouchButtonAccumulator.reset(getDevice());
|
|
|
|
mPointerVelocityControl.reset();
|
|
mWheelXVelocityControl.reset();
|
|
mWheelYVelocityControl.reset();
|
|
|
|
mCurrentRawPointerData.clear();
|
|
mLastRawPointerData.clear();
|
|
mCurrentCookedPointerData.clear();
|
|
mLastCookedPointerData.clear();
|
|
mCurrentButtonState = 0;
|
|
mLastButtonState = 0;
|
|
mCurrentRawVScroll = 0;
|
|
mCurrentRawHScroll = 0;
|
|
mCurrentFingerIdBits.clear();
|
|
mLastFingerIdBits.clear();
|
|
mCurrentStylusIdBits.clear();
|
|
mLastStylusIdBits.clear();
|
|
mCurrentMouseIdBits.clear();
|
|
mLastMouseIdBits.clear();
|
|
mPointerUsage = POINTER_USAGE_NONE;
|
|
mSentHoverEnter = false;
|
|
mDownTime = 0;
|
|
|
|
mCurrentVirtualKey.down = false;
|
|
|
|
mPointerGesture.reset();
|
|
mPointerSimple.reset();
|
|
|
|
if (mPointerController != NULL) {
|
|
mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
mPointerController->clearSpots();
|
|
}
|
|
|
|
InputMapper::reset(when);
|
|
}
|
|
|
|
void TouchInputMapper::process(const RawEvent* rawEvent) {
|
|
mCursorButtonAccumulator.process(rawEvent);
|
|
mCursorScrollAccumulator.process(rawEvent);
|
|
mTouchButtonAccumulator.process(rawEvent);
|
|
|
|
if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
|
|
sync(rawEvent->when);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::sync(nsecs_t when) {
|
|
// Sync button state.
|
|
mCurrentButtonState = mTouchButtonAccumulator.getButtonState()
|
|
| mCursorButtonAccumulator.getButtonState();
|
|
|
|
// Sync scroll state.
|
|
mCurrentRawVScroll = mCursorScrollAccumulator.getRelativeVWheel();
|
|
mCurrentRawHScroll = mCursorScrollAccumulator.getRelativeHWheel();
|
|
mCursorScrollAccumulator.finishSync();
|
|
|
|
// Sync touch state.
|
|
bool havePointerIds = true;
|
|
mCurrentRawPointerData.clear();
|
|
syncTouch(when, &havePointerIds);
|
|
|
|
#if DEBUG_RAW_EVENTS
|
|
if (!havePointerIds) {
|
|
ALOGD("syncTouch: pointerCount %d -> %d, no pointer ids",
|
|
mLastRawPointerData.pointerCount,
|
|
mCurrentRawPointerData.pointerCount);
|
|
} else {
|
|
ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
|
|
"hovering ids 0x%08x -> 0x%08x",
|
|
mLastRawPointerData.pointerCount,
|
|
mCurrentRawPointerData.pointerCount,
|
|
mLastRawPointerData.touchingIdBits.value,
|
|
mCurrentRawPointerData.touchingIdBits.value,
|
|
mLastRawPointerData.hoveringIdBits.value,
|
|
mCurrentRawPointerData.hoveringIdBits.value);
|
|
}
|
|
#endif
|
|
|
|
// Reset state that we will compute below.
|
|
mCurrentFingerIdBits.clear();
|
|
mCurrentStylusIdBits.clear();
|
|
mCurrentMouseIdBits.clear();
|
|
mCurrentCookedPointerData.clear();
|
|
|
|
if (mDeviceMode == DEVICE_MODE_DISABLED) {
|
|
// Drop all input if the device is disabled.
|
|
mCurrentRawPointerData.clear();
|
|
mCurrentButtonState = 0;
|
|
} else {
|
|
// Preprocess pointer data.
|
|
if (!havePointerIds) {
|
|
assignPointerIds();
|
|
}
|
|
|
|
// Handle policy on initial down or hover events.
|
|
uint32_t policyFlags = 0;
|
|
bool initialDown = mLastRawPointerData.pointerCount == 0
|
|
&& mCurrentRawPointerData.pointerCount != 0;
|
|
bool buttonsPressed = mCurrentButtonState & ~mLastButtonState;
|
|
if (initialDown || buttonsPressed) {
|
|
// If this is a touch screen, hide the pointer on an initial down.
|
|
if (mDeviceMode == DEVICE_MODE_DIRECT) {
|
|
getContext()->fadePointer();
|
|
}
|
|
|
|
if (mParameters.wake) {
|
|
policyFlags |= POLICY_FLAG_WAKE;
|
|
}
|
|
}
|
|
|
|
// Synthesize key down from raw buttons if needed.
|
|
synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, getDeviceId(), mSource,
|
|
policyFlags, mLastButtonState, mCurrentButtonState);
|
|
|
|
// Consume raw off-screen touches before cooking pointer data.
|
|
// If touches are consumed, subsequent code will not receive any pointer data.
|
|
if (consumeRawTouches(when, policyFlags)) {
|
|
mCurrentRawPointerData.clear();
|
|
}
|
|
|
|
// Cook pointer data. This call populates the mCurrentCookedPointerData structure
|
|
// with cooked pointer data that has the same ids and indices as the raw data.
|
|
// The following code can use either the raw or cooked data, as needed.
|
|
cookPointerData();
|
|
|
|
// Dispatch the touches either directly or by translation through a pointer on screen.
|
|
if (mDeviceMode == DEVICE_MODE_POINTER) {
|
|
for (BitSet32 idBits(mCurrentRawPointerData.touchingIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
|
|
if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS
|
|
|| pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
|
|
mCurrentStylusIdBits.markBit(id);
|
|
} else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_FINGER
|
|
|| pointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
|
|
mCurrentFingerIdBits.markBit(id);
|
|
} else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_MOUSE) {
|
|
mCurrentMouseIdBits.markBit(id);
|
|
}
|
|
}
|
|
for (BitSet32 idBits(mCurrentRawPointerData.hoveringIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
|
|
if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS
|
|
|| pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
|
|
mCurrentStylusIdBits.markBit(id);
|
|
}
|
|
}
|
|
|
|
// Stylus takes precedence over all tools, then mouse, then finger.
|
|
PointerUsage pointerUsage = mPointerUsage;
|
|
if (!mCurrentStylusIdBits.isEmpty()) {
|
|
mCurrentMouseIdBits.clear();
|
|
mCurrentFingerIdBits.clear();
|
|
pointerUsage = POINTER_USAGE_STYLUS;
|
|
} else if (!mCurrentMouseIdBits.isEmpty()) {
|
|
mCurrentFingerIdBits.clear();
|
|
pointerUsage = POINTER_USAGE_MOUSE;
|
|
} else if (!mCurrentFingerIdBits.isEmpty() || isPointerDown(mCurrentButtonState)) {
|
|
pointerUsage = POINTER_USAGE_GESTURES;
|
|
}
|
|
|
|
dispatchPointerUsage(when, policyFlags, pointerUsage);
|
|
} else {
|
|
if (mDeviceMode == DEVICE_MODE_DIRECT
|
|
&& mConfig.showTouches && mPointerController != NULL) {
|
|
mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
|
|
mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
|
|
mPointerController->setButtonState(mCurrentButtonState);
|
|
mPointerController->setSpots(mCurrentCookedPointerData.pointerCoords,
|
|
mCurrentCookedPointerData.idToIndex,
|
|
mCurrentCookedPointerData.touchingIdBits);
|
|
}
|
|
|
|
dispatchHoverExit(when, policyFlags);
|
|
dispatchTouches(when, policyFlags);
|
|
dispatchHoverEnterAndMove(when, policyFlags);
|
|
}
|
|
|
|
// Synthesize key up from raw buttons if needed.
|
|
synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, getDeviceId(), mSource,
|
|
policyFlags, mLastButtonState, mCurrentButtonState);
|
|
}
|
|
|
|
// Copy current touch to last touch in preparation for the next cycle.
|
|
mLastRawPointerData.copyFrom(mCurrentRawPointerData);
|
|
mLastCookedPointerData.copyFrom(mCurrentCookedPointerData);
|
|
mLastButtonState = mCurrentButtonState;
|
|
mLastFingerIdBits = mCurrentFingerIdBits;
|
|
mLastStylusIdBits = mCurrentStylusIdBits;
|
|
mLastMouseIdBits = mCurrentMouseIdBits;
|
|
|
|
// Clear some transient state.
|
|
mCurrentRawVScroll = 0;
|
|
mCurrentRawHScroll = 0;
|
|
}
|
|
|
|
void TouchInputMapper::timeoutExpired(nsecs_t when) {
|
|
if (mDeviceMode == DEVICE_MODE_POINTER) {
|
|
if (mPointerUsage == POINTER_USAGE_GESTURES) {
|
|
dispatchPointerGestures(when, 0 /*policyFlags*/, true /*isTimeout*/);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool TouchInputMapper::consumeRawTouches(nsecs_t when, uint32_t policyFlags) {
|
|
// Check for release of a virtual key.
|
|
if (mCurrentVirtualKey.down) {
|
|
if (mCurrentRawPointerData.touchingIdBits.isEmpty()) {
|
|
// Pointer went up while virtual key was down.
|
|
mCurrentVirtualKey.down = false;
|
|
if (!mCurrentVirtualKey.ignored) {
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
ALOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
|
|
mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
|
|
#endif
|
|
dispatchVirtualKey(when, policyFlags,
|
|
AKEY_EVENT_ACTION_UP,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (mCurrentRawPointerData.touchingIdBits.count() == 1) {
|
|
uint32_t id = mCurrentRawPointerData.touchingIdBits.firstMarkedBit();
|
|
const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
|
|
const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
|
|
if (virtualKey && virtualKey->keyCode == mCurrentVirtualKey.keyCode) {
|
|
// Pointer is still within the space of the virtual key.
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Pointer left virtual key area or another pointer also went down.
|
|
// Send key cancellation but do not consume the touch yet.
|
|
// This is useful when the user swipes through from the virtual key area
|
|
// into the main display surface.
|
|
mCurrentVirtualKey.down = false;
|
|
if (!mCurrentVirtualKey.ignored) {
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
ALOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
|
|
mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
|
|
#endif
|
|
dispatchVirtualKey(when, policyFlags,
|
|
AKEY_EVENT_ACTION_UP,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
|
|
| AKEY_EVENT_FLAG_CANCELED);
|
|
}
|
|
}
|
|
|
|
if (mLastRawPointerData.touchingIdBits.isEmpty()
|
|
&& !mCurrentRawPointerData.touchingIdBits.isEmpty()) {
|
|
// Pointer just went down. Check for virtual key press or off-screen touches.
|
|
uint32_t id = mCurrentRawPointerData.touchingIdBits.firstMarkedBit();
|
|
const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
|
|
if (!isPointInsideSurface(pointer.x, pointer.y)) {
|
|
// If exactly one pointer went down, check for virtual key hit.
|
|
// Otherwise we will drop the entire stroke.
|
|
if (mCurrentRawPointerData.touchingIdBits.count() == 1) {
|
|
const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
|
|
if (virtualKey) {
|
|
mCurrentVirtualKey.down = true;
|
|
mCurrentVirtualKey.downTime = when;
|
|
mCurrentVirtualKey.keyCode = virtualKey->keyCode;
|
|
mCurrentVirtualKey.scanCode = virtualKey->scanCode;
|
|
mCurrentVirtualKey.ignored = mContext->shouldDropVirtualKey(
|
|
when, getDevice(), virtualKey->keyCode, virtualKey->scanCode);
|
|
|
|
if (!mCurrentVirtualKey.ignored) {
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
ALOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
|
|
mCurrentVirtualKey.keyCode,
|
|
mCurrentVirtualKey.scanCode);
|
|
#endif
|
|
dispatchVirtualKey(when, policyFlags,
|
|
AKEY_EVENT_ACTION_DOWN,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Disable all virtual key touches that happen within a short time interval of the
|
|
// most recent touch within the screen area. The idea is to filter out stray
|
|
// virtual key presses when interacting with the touch screen.
|
|
//
|
|
// Problems we're trying to solve:
|
|
//
|
|
// 1. While scrolling a list or dragging the window shade, the user swipes down into a
|
|
// virtual key area that is implemented by a separate touch panel and accidentally
|
|
// triggers a virtual key.
|
|
//
|
|
// 2. While typing in the on screen keyboard, the user taps slightly outside the screen
|
|
// area and accidentally triggers a virtual key. This often happens when virtual keys
|
|
// are layed out below the screen near to where the on screen keyboard's space bar
|
|
// is displayed.
|
|
if (mConfig.virtualKeyQuietTime > 0 && !mCurrentRawPointerData.touchingIdBits.isEmpty()) {
|
|
mContext->disableVirtualKeysUntil(when + mConfig.virtualKeyQuietTime);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void TouchInputMapper::dispatchVirtualKey(nsecs_t when, uint32_t policyFlags,
|
|
int32_t keyEventAction, int32_t keyEventFlags) {
|
|
int32_t keyCode = mCurrentVirtualKey.keyCode;
|
|
int32_t scanCode = mCurrentVirtualKey.scanCode;
|
|
nsecs_t downTime = mCurrentVirtualKey.downTime;
|
|
int32_t metaState = mContext->getGlobalMetaState();
|
|
policyFlags |= POLICY_FLAG_VIRTUAL;
|
|
|
|
NotifyKeyArgs args(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
|
|
keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
|
|
getListener()->notifyKey(&args);
|
|
}
|
|
|
|
void TouchInputMapper::dispatchTouches(nsecs_t when, uint32_t policyFlags) {
|
|
BitSet32 currentIdBits = mCurrentCookedPointerData.touchingIdBits;
|
|
BitSet32 lastIdBits = mLastCookedPointerData.touchingIdBits;
|
|
int32_t metaState = getContext()->getGlobalMetaState();
|
|
int32_t buttonState = mCurrentButtonState;
|
|
|
|
if (currentIdBits == lastIdBits) {
|
|
if (!currentIdBits.isEmpty()) {
|
|
// No pointer id changes so this is a move event.
|
|
// The listener takes care of batching moves so we don't have to deal with that here.
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState,
|
|
AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
mCurrentCookedPointerData.pointerProperties,
|
|
mCurrentCookedPointerData.pointerCoords,
|
|
mCurrentCookedPointerData.idToIndex,
|
|
currentIdBits, -1,
|
|
mOrientedXPrecision, mOrientedYPrecision, mDownTime);
|
|
}
|
|
} else {
|
|
// There may be pointers going up and pointers going down and pointers moving
|
|
// all at the same time.
|
|
BitSet32 upIdBits(lastIdBits.value & ~currentIdBits.value);
|
|
BitSet32 downIdBits(currentIdBits.value & ~lastIdBits.value);
|
|
BitSet32 moveIdBits(lastIdBits.value & currentIdBits.value);
|
|
BitSet32 dispatchedIdBits(lastIdBits.value);
|
|
|
|
// Update last coordinates of pointers that have moved so that we observe the new
|
|
// pointer positions at the same time as other pointers that have just gone up.
|
|
bool moveNeeded = updateMovedPointers(
|
|
mCurrentCookedPointerData.pointerProperties,
|
|
mCurrentCookedPointerData.pointerCoords,
|
|
mCurrentCookedPointerData.idToIndex,
|
|
mLastCookedPointerData.pointerProperties,
|
|
mLastCookedPointerData.pointerCoords,
|
|
mLastCookedPointerData.idToIndex,
|
|
moveIdBits);
|
|
if (buttonState != mLastButtonState) {
|
|
moveNeeded = true;
|
|
}
|
|
|
|
// Dispatch pointer up events.
|
|
while (!upIdBits.isEmpty()) {
|
|
uint32_t upId = upIdBits.clearFirstMarkedBit();
|
|
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_POINTER_UP, 0, metaState, buttonState, 0,
|
|
mLastCookedPointerData.pointerProperties,
|
|
mLastCookedPointerData.pointerCoords,
|
|
mLastCookedPointerData.idToIndex,
|
|
dispatchedIdBits, upId,
|
|
mOrientedXPrecision, mOrientedYPrecision, mDownTime);
|
|
dispatchedIdBits.clearBit(upId);
|
|
}
|
|
|
|
// Dispatch move events if any of the remaining pointers moved from their old locations.
|
|
// Although applications receive new locations as part of individual pointer up
|
|
// events, they do not generally handle them except when presented in a move event.
|
|
if (moveNeeded) {
|
|
ALOG_ASSERT(moveIdBits.value == dispatchedIdBits.value);
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, 0,
|
|
mCurrentCookedPointerData.pointerProperties,
|
|
mCurrentCookedPointerData.pointerCoords,
|
|
mCurrentCookedPointerData.idToIndex,
|
|
dispatchedIdBits, -1,
|
|
mOrientedXPrecision, mOrientedYPrecision, mDownTime);
|
|
}
|
|
|
|
// Dispatch pointer down events using the new pointer locations.
|
|
while (!downIdBits.isEmpty()) {
|
|
uint32_t downId = downIdBits.clearFirstMarkedBit();
|
|
dispatchedIdBits.markBit(downId);
|
|
|
|
if (dispatchedIdBits.count() == 1) {
|
|
// First pointer is going down. Set down time.
|
|
mDownTime = when;
|
|
}
|
|
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_POINTER_DOWN, 0, metaState, buttonState, 0,
|
|
mCurrentCookedPointerData.pointerProperties,
|
|
mCurrentCookedPointerData.pointerCoords,
|
|
mCurrentCookedPointerData.idToIndex,
|
|
dispatchedIdBits, downId,
|
|
mOrientedXPrecision, mOrientedYPrecision, mDownTime);
|
|
}
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dispatchHoverExit(nsecs_t when, uint32_t policyFlags) {
|
|
if (mSentHoverEnter &&
|
|
(mCurrentCookedPointerData.hoveringIdBits.isEmpty()
|
|
|| !mCurrentCookedPointerData.touchingIdBits.isEmpty())) {
|
|
int32_t metaState = getContext()->getGlobalMetaState();
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_HOVER_EXIT, 0, metaState, mLastButtonState, 0,
|
|
mLastCookedPointerData.pointerProperties,
|
|
mLastCookedPointerData.pointerCoords,
|
|
mLastCookedPointerData.idToIndex,
|
|
mLastCookedPointerData.hoveringIdBits, -1,
|
|
mOrientedXPrecision, mOrientedYPrecision, mDownTime);
|
|
mSentHoverEnter = false;
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, uint32_t policyFlags) {
|
|
if (mCurrentCookedPointerData.touchingIdBits.isEmpty()
|
|
&& !mCurrentCookedPointerData.hoveringIdBits.isEmpty()) {
|
|
int32_t metaState = getContext()->getGlobalMetaState();
|
|
if (!mSentHoverEnter) {
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_HOVER_ENTER, 0, metaState, mCurrentButtonState, 0,
|
|
mCurrentCookedPointerData.pointerProperties,
|
|
mCurrentCookedPointerData.pointerCoords,
|
|
mCurrentCookedPointerData.idToIndex,
|
|
mCurrentCookedPointerData.hoveringIdBits, -1,
|
|
mOrientedXPrecision, mOrientedYPrecision, mDownTime);
|
|
mSentHoverEnter = true;
|
|
}
|
|
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_HOVER_MOVE, 0, metaState, mCurrentButtonState, 0,
|
|
mCurrentCookedPointerData.pointerProperties,
|
|
mCurrentCookedPointerData.pointerCoords,
|
|
mCurrentCookedPointerData.idToIndex,
|
|
mCurrentCookedPointerData.hoveringIdBits, -1,
|
|
mOrientedXPrecision, mOrientedYPrecision, mDownTime);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::cookPointerData() {
|
|
uint32_t currentPointerCount = mCurrentRawPointerData.pointerCount;
|
|
|
|
mCurrentCookedPointerData.clear();
|
|
mCurrentCookedPointerData.pointerCount = currentPointerCount;
|
|
mCurrentCookedPointerData.hoveringIdBits = mCurrentRawPointerData.hoveringIdBits;
|
|
mCurrentCookedPointerData.touchingIdBits = mCurrentRawPointerData.touchingIdBits;
|
|
|
|
// Walk through the the active pointers and map device coordinates onto
|
|
// surface coordinates and adjust for display orientation.
|
|
for (uint32_t i = 0; i < currentPointerCount; i++) {
|
|
const RawPointerData::Pointer& in = mCurrentRawPointerData.pointers[i];
|
|
|
|
// Size
|
|
float touchMajor, touchMinor, toolMajor, toolMinor, size;
|
|
switch (mCalibration.sizeCalibration) {
|
|
case Calibration::SIZE_CALIBRATION_GEOMETRIC:
|
|
case Calibration::SIZE_CALIBRATION_DIAMETER:
|
|
case Calibration::SIZE_CALIBRATION_BOX:
|
|
case Calibration::SIZE_CALIBRATION_AREA:
|
|
if (mRawPointerAxes.touchMajor.valid && mRawPointerAxes.toolMajor.valid) {
|
|
touchMajor = in.touchMajor;
|
|
touchMinor = mRawPointerAxes.touchMinor.valid ? in.touchMinor : in.touchMajor;
|
|
toolMajor = in.toolMajor;
|
|
toolMinor = mRawPointerAxes.toolMinor.valid ? in.toolMinor : in.toolMajor;
|
|
size = mRawPointerAxes.touchMinor.valid
|
|
? avg(in.touchMajor, in.touchMinor) : in.touchMajor;
|
|
} else if (mRawPointerAxes.touchMajor.valid) {
|
|
toolMajor = touchMajor = in.touchMajor;
|
|
toolMinor = touchMinor = mRawPointerAxes.touchMinor.valid
|
|
? in.touchMinor : in.touchMajor;
|
|
size = mRawPointerAxes.touchMinor.valid
|
|
? avg(in.touchMajor, in.touchMinor) : in.touchMajor;
|
|
} else if (mRawPointerAxes.toolMajor.valid) {
|
|
touchMajor = toolMajor = in.toolMajor;
|
|
touchMinor = toolMinor = mRawPointerAxes.toolMinor.valid
|
|
? in.toolMinor : in.toolMajor;
|
|
size = mRawPointerAxes.toolMinor.valid
|
|
? avg(in.toolMajor, in.toolMinor) : in.toolMajor;
|
|
} else {
|
|
ALOG_ASSERT(false, "No touch or tool axes. "
|
|
"Size calibration should have been resolved to NONE.");
|
|
touchMajor = 0;
|
|
touchMinor = 0;
|
|
toolMajor = 0;
|
|
toolMinor = 0;
|
|
size = 0;
|
|
}
|
|
|
|
if (mCalibration.haveSizeIsSummed && mCalibration.sizeIsSummed) {
|
|
uint32_t touchingCount = mCurrentRawPointerData.touchingIdBits.count();
|
|
if (touchingCount > 1) {
|
|
touchMajor /= touchingCount;
|
|
touchMinor /= touchingCount;
|
|
toolMajor /= touchingCount;
|
|
toolMinor /= touchingCount;
|
|
size /= touchingCount;
|
|
}
|
|
}
|
|
|
|
if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_GEOMETRIC) {
|
|
touchMajor *= mGeometricScale;
|
|
touchMinor *= mGeometricScale;
|
|
toolMajor *= mGeometricScale;
|
|
toolMinor *= mGeometricScale;
|
|
} else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_AREA) {
|
|
touchMajor = touchMajor > 0 ? sqrtf(touchMajor) : 0;
|
|
touchMinor = touchMajor;
|
|
toolMajor = toolMajor > 0 ? sqrtf(toolMajor) : 0;
|
|
toolMinor = toolMajor;
|
|
} else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DIAMETER) {
|
|
touchMinor = touchMajor;
|
|
toolMinor = toolMajor;
|
|
}
|
|
|
|
mCalibration.applySizeScaleAndBias(&touchMajor);
|
|
mCalibration.applySizeScaleAndBias(&touchMinor);
|
|
mCalibration.applySizeScaleAndBias(&toolMajor);
|
|
mCalibration.applySizeScaleAndBias(&toolMinor);
|
|
size *= mSizeScale;
|
|
break;
|
|
default:
|
|
touchMajor = 0;
|
|
touchMinor = 0;
|
|
toolMajor = 0;
|
|
toolMinor = 0;
|
|
size = 0;
|
|
break;
|
|
}
|
|
|
|
// Pressure
|
|
float pressure;
|
|
switch (mCalibration.pressureCalibration) {
|
|
case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
|
|
case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
|
|
pressure = in.pressure * mPressureScale;
|
|
break;
|
|
default:
|
|
pressure = in.isHovering ? 0 : 1;
|
|
break;
|
|
}
|
|
|
|
// Tilt and Orientation
|
|
float tilt;
|
|
float orientation;
|
|
if (mHaveTilt) {
|
|
float tiltXAngle = (in.tiltX - mTiltXCenter) * mTiltXScale;
|
|
float tiltYAngle = (in.tiltY - mTiltYCenter) * mTiltYScale;
|
|
orientation = atan2f(-sinf(tiltXAngle), sinf(tiltYAngle));
|
|
tilt = acosf(cosf(tiltXAngle) * cosf(tiltYAngle));
|
|
} else {
|
|
tilt = 0;
|
|
|
|
switch (mCalibration.orientationCalibration) {
|
|
case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
|
|
orientation = in.orientation * mOrientationScale;
|
|
break;
|
|
case Calibration::ORIENTATION_CALIBRATION_VECTOR: {
|
|
int32_t c1 = signExtendNybble((in.orientation & 0xf0) >> 4);
|
|
int32_t c2 = signExtendNybble(in.orientation & 0x0f);
|
|
if (c1 != 0 || c2 != 0) {
|
|
orientation = atan2f(c1, c2) * 0.5f;
|
|
float confidence = hypotf(c1, c2);
|
|
float scale = 1.0f + confidence / 16.0f;
|
|
touchMajor *= scale;
|
|
touchMinor /= scale;
|
|
toolMajor *= scale;
|
|
toolMinor /= scale;
|
|
} else {
|
|
orientation = 0;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
orientation = 0;
|
|
}
|
|
}
|
|
|
|
// Distance
|
|
float distance;
|
|
switch (mCalibration.distanceCalibration) {
|
|
case Calibration::DISTANCE_CALIBRATION_SCALED:
|
|
distance = in.distance * mDistanceScale;
|
|
break;
|
|
default:
|
|
distance = 0;
|
|
}
|
|
|
|
// Coverage
|
|
int32_t rawLeft, rawTop, rawRight, rawBottom;
|
|
switch (mCalibration.coverageCalibration) {
|
|
case Calibration::COVERAGE_CALIBRATION_BOX:
|
|
rawLeft = (in.toolMinor & 0xffff0000) >> 16;
|
|
rawRight = in.toolMinor & 0x0000ffff;
|
|
rawBottom = in.toolMajor & 0x0000ffff;
|
|
rawTop = (in.toolMajor & 0xffff0000) >> 16;
|
|
break;
|
|
default:
|
|
rawLeft = rawTop = rawRight = rawBottom = 0;
|
|
break;
|
|
}
|
|
|
|
// Adjust X,Y coords for device calibration
|
|
// TODO: Adjust coverage coords?
|
|
float xTransformed = in.x, yTransformed = in.y;
|
|
mAffineTransform.applyTo(xTransformed, yTransformed);
|
|
|
|
// Adjust X, Y, and coverage coords for surface orientation.
|
|
float x, y;
|
|
float left, top, right, bottom;
|
|
|
|
switch (mSurfaceOrientation) {
|
|
case DISPLAY_ORIENTATION_90:
|
|
x = float(yTransformed - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
|
|
y = float(mRawPointerAxes.x.maxValue - xTransformed) * mXScale + mXTranslate;
|
|
left = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
|
|
right = float(rawBottom- mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
|
|
bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
|
|
top = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate;
|
|
orientation -= M_PI_2;
|
|
if (orientation < mOrientedRanges.orientation.min) {
|
|
orientation += (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
|
|
}
|
|
break;
|
|
case DISPLAY_ORIENTATION_180:
|
|
x = float(mRawPointerAxes.x.maxValue - xTransformed) * mXScale + mXTranslate;
|
|
y = float(mRawPointerAxes.y.maxValue - yTransformed) * mYScale + mYTranslate;
|
|
left = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate;
|
|
right = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
|
|
bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
|
|
top = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate;
|
|
orientation -= M_PI;
|
|
if (orientation < mOrientedRanges.orientation.min) {
|
|
orientation += (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
|
|
}
|
|
break;
|
|
case DISPLAY_ORIENTATION_270:
|
|
x = float(mRawPointerAxes.y.maxValue - yTransformed) * mYScale + mYTranslate;
|
|
y = float(xTransformed - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
|
|
left = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate;
|
|
right = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
|
|
bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
|
|
top = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
|
|
orientation += M_PI_2;
|
|
if (orientation > mOrientedRanges.orientation.max) {
|
|
orientation -= (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
|
|
}
|
|
break;
|
|
default:
|
|
x = float(xTransformed - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
|
|
y = float(yTransformed - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
|
|
left = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
|
|
right = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
|
|
bottom = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
|
|
top = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
|
|
break;
|
|
}
|
|
|
|
// Write output coords.
|
|
PointerCoords& out = mCurrentCookedPointerData.pointerCoords[i];
|
|
out.clear();
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_X, x);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_SIZE, size);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, touchMajor);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, touchMinor);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, orientation);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_TILT, tilt);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_DISTANCE, distance);
|
|
if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) {
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_1, left);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_2, top);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_3, right);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_4, bottom);
|
|
} else {
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, toolMajor);
|
|
out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, toolMinor);
|
|
}
|
|
|
|
// Write output properties.
|
|
PointerProperties& properties = mCurrentCookedPointerData.pointerProperties[i];
|
|
uint32_t id = in.id;
|
|
properties.clear();
|
|
properties.id = id;
|
|
properties.toolType = in.toolType;
|
|
|
|
// Write id index.
|
|
mCurrentCookedPointerData.idToIndex[id] = i;
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dispatchPointerUsage(nsecs_t when, uint32_t policyFlags,
|
|
PointerUsage pointerUsage) {
|
|
if (pointerUsage != mPointerUsage) {
|
|
abortPointerUsage(when, policyFlags);
|
|
mPointerUsage = pointerUsage;
|
|
}
|
|
|
|
switch (mPointerUsage) {
|
|
case POINTER_USAGE_GESTURES:
|
|
dispatchPointerGestures(when, policyFlags, false /*isTimeout*/);
|
|
break;
|
|
case POINTER_USAGE_STYLUS:
|
|
dispatchPointerStylus(when, policyFlags);
|
|
break;
|
|
case POINTER_USAGE_MOUSE:
|
|
dispatchPointerMouse(when, policyFlags);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::abortPointerUsage(nsecs_t when, uint32_t policyFlags) {
|
|
switch (mPointerUsage) {
|
|
case POINTER_USAGE_GESTURES:
|
|
abortPointerGestures(when, policyFlags);
|
|
break;
|
|
case POINTER_USAGE_STYLUS:
|
|
abortPointerStylus(when, policyFlags);
|
|
break;
|
|
case POINTER_USAGE_MOUSE:
|
|
abortPointerMouse(when, policyFlags);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
mPointerUsage = POINTER_USAGE_NONE;
|
|
}
|
|
|
|
void TouchInputMapper::dispatchPointerGestures(nsecs_t when, uint32_t policyFlags,
|
|
bool isTimeout) {
|
|
// Update current gesture coordinates.
|
|
bool cancelPreviousGesture, finishPreviousGesture;
|
|
bool sendEvents = preparePointerGestures(when,
|
|
&cancelPreviousGesture, &finishPreviousGesture, isTimeout);
|
|
if (!sendEvents) {
|
|
return;
|
|
}
|
|
if (finishPreviousGesture) {
|
|
cancelPreviousGesture = false;
|
|
}
|
|
|
|
// Update the pointer presentation and spots.
|
|
if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS) {
|
|
mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
|
|
if (finishPreviousGesture || cancelPreviousGesture) {
|
|
mPointerController->clearSpots();
|
|
}
|
|
mPointerController->setSpots(mPointerGesture.currentGestureCoords,
|
|
mPointerGesture.currentGestureIdToIndex,
|
|
mPointerGesture.currentGestureIdBits);
|
|
} else {
|
|
mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
|
|
}
|
|
|
|
// Show or hide the pointer if needed.
|
|
switch (mPointerGesture.currentGestureMode) {
|
|
case PointerGesture::NEUTRAL:
|
|
case PointerGesture::QUIET:
|
|
if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS
|
|
&& (mPointerGesture.lastGestureMode == PointerGesture::SWIPE
|
|
|| mPointerGesture.lastGestureMode == PointerGesture::FREEFORM)) {
|
|
// Remind the user of where the pointer is after finishing a gesture with spots.
|
|
mPointerController->unfade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
}
|
|
break;
|
|
case PointerGesture::TAP:
|
|
case PointerGesture::TAP_DRAG:
|
|
case PointerGesture::BUTTON_CLICK_OR_DRAG:
|
|
case PointerGesture::HOVER:
|
|
case PointerGesture::PRESS:
|
|
// Unfade the pointer when the current gesture manipulates the
|
|
// area directly under the pointer.
|
|
mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
|
|
break;
|
|
case PointerGesture::SWIPE:
|
|
case PointerGesture::FREEFORM:
|
|
// Fade the pointer when the current gesture manipulates a different
|
|
// area and there are spots to guide the user experience.
|
|
if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS) {
|
|
mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
} else {
|
|
mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Send events!
|
|
int32_t metaState = getContext()->getGlobalMetaState();
|
|
int32_t buttonState = mCurrentButtonState;
|
|
|
|
// Update last coordinates of pointers that have moved so that we observe the new
|
|
// pointer positions at the same time as other pointers that have just gone up.
|
|
bool down = mPointerGesture.currentGestureMode == PointerGesture::TAP
|
|
|| mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG
|
|
|| mPointerGesture.currentGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG
|
|
|| mPointerGesture.currentGestureMode == PointerGesture::PRESS
|
|
|| mPointerGesture.currentGestureMode == PointerGesture::SWIPE
|
|
|| mPointerGesture.currentGestureMode == PointerGesture::FREEFORM;
|
|
bool moveNeeded = false;
|
|
if (down && !cancelPreviousGesture && !finishPreviousGesture
|
|
&& !mPointerGesture.lastGestureIdBits.isEmpty()
|
|
&& !mPointerGesture.currentGestureIdBits.isEmpty()) {
|
|
BitSet32 movedGestureIdBits(mPointerGesture.currentGestureIdBits.value
|
|
& mPointerGesture.lastGestureIdBits.value);
|
|
moveNeeded = updateMovedPointers(mPointerGesture.currentGestureProperties,
|
|
mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
|
|
mPointerGesture.lastGestureProperties,
|
|
mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
|
|
movedGestureIdBits);
|
|
if (buttonState != mLastButtonState) {
|
|
moveNeeded = true;
|
|
}
|
|
}
|
|
|
|
// Send motion events for all pointers that went up or were canceled.
|
|
BitSet32 dispatchedGestureIdBits(mPointerGesture.lastGestureIdBits);
|
|
if (!dispatchedGestureIdBits.isEmpty()) {
|
|
if (cancelPreviousGesture) {
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_CANCEL, 0, metaState, buttonState,
|
|
AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
mPointerGesture.lastGestureProperties,
|
|
mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
|
|
dispatchedGestureIdBits, -1,
|
|
0, 0, mPointerGesture.downTime);
|
|
|
|
dispatchedGestureIdBits.clear();
|
|
} else {
|
|
BitSet32 upGestureIdBits;
|
|
if (finishPreviousGesture) {
|
|
upGestureIdBits = dispatchedGestureIdBits;
|
|
} else {
|
|
upGestureIdBits.value = dispatchedGestureIdBits.value
|
|
& ~mPointerGesture.currentGestureIdBits.value;
|
|
}
|
|
while (!upGestureIdBits.isEmpty()) {
|
|
uint32_t id = upGestureIdBits.clearFirstMarkedBit();
|
|
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_POINTER_UP, 0,
|
|
metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
mPointerGesture.lastGestureProperties,
|
|
mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
|
|
dispatchedGestureIdBits, id,
|
|
0, 0, mPointerGesture.downTime);
|
|
|
|
dispatchedGestureIdBits.clearBit(id);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Send motion events for all pointers that moved.
|
|
if (moveNeeded) {
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
mPointerGesture.currentGestureProperties,
|
|
mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
|
|
dispatchedGestureIdBits, -1,
|
|
0, 0, mPointerGesture.downTime);
|
|
}
|
|
|
|
// Send motion events for all pointers that went down.
|
|
if (down) {
|
|
BitSet32 downGestureIdBits(mPointerGesture.currentGestureIdBits.value
|
|
& ~dispatchedGestureIdBits.value);
|
|
while (!downGestureIdBits.isEmpty()) {
|
|
uint32_t id = downGestureIdBits.clearFirstMarkedBit();
|
|
dispatchedGestureIdBits.markBit(id);
|
|
|
|
if (dispatchedGestureIdBits.count() == 1) {
|
|
mPointerGesture.downTime = when;
|
|
}
|
|
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_POINTER_DOWN, 0, metaState, buttonState, 0,
|
|
mPointerGesture.currentGestureProperties,
|
|
mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
|
|
dispatchedGestureIdBits, id,
|
|
0, 0, mPointerGesture.downTime);
|
|
}
|
|
}
|
|
|
|
// Send motion events for hover.
|
|
if (mPointerGesture.currentGestureMode == PointerGesture::HOVER) {
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
|
|
metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
mPointerGesture.currentGestureProperties,
|
|
mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
|
|
mPointerGesture.currentGestureIdBits, -1,
|
|
0, 0, mPointerGesture.downTime);
|
|
} else if (dispatchedGestureIdBits.isEmpty()
|
|
&& !mPointerGesture.lastGestureIdBits.isEmpty()) {
|
|
// Synthesize a hover move event after all pointers go up to indicate that
|
|
// the pointer is hovering again even if the user is not currently touching
|
|
// the touch pad. This ensures that a view will receive a fresh hover enter
|
|
// event after a tap.
|
|
float x, y;
|
|
mPointerController->getPosition(&x, &y);
|
|
|
|
PointerProperties pointerProperties;
|
|
pointerProperties.clear();
|
|
pointerProperties.id = 0;
|
|
pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
|
|
PointerCoords pointerCoords;
|
|
pointerCoords.clear();
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
|
|
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
|
|
metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
mViewport.displayId, 1, &pointerProperties, &pointerCoords,
|
|
0, 0, mPointerGesture.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
// Update state.
|
|
mPointerGesture.lastGestureMode = mPointerGesture.currentGestureMode;
|
|
if (!down) {
|
|
mPointerGesture.lastGestureIdBits.clear();
|
|
} else {
|
|
mPointerGesture.lastGestureIdBits = mPointerGesture.currentGestureIdBits;
|
|
for (BitSet32 idBits(mPointerGesture.currentGestureIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
|
|
mPointerGesture.lastGestureProperties[index].copyFrom(
|
|
mPointerGesture.currentGestureProperties[index]);
|
|
mPointerGesture.lastGestureCoords[index].copyFrom(
|
|
mPointerGesture.currentGestureCoords[index]);
|
|
mPointerGesture.lastGestureIdToIndex[id] = index;
|
|
}
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::abortPointerGestures(nsecs_t when, uint32_t policyFlags) {
|
|
// Cancel previously dispatches pointers.
|
|
if (!mPointerGesture.lastGestureIdBits.isEmpty()) {
|
|
int32_t metaState = getContext()->getGlobalMetaState();
|
|
int32_t buttonState = mCurrentButtonState;
|
|
dispatchMotion(when, policyFlags, mSource,
|
|
AMOTION_EVENT_ACTION_CANCEL, 0, metaState, buttonState,
|
|
AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
mPointerGesture.lastGestureProperties,
|
|
mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
|
|
mPointerGesture.lastGestureIdBits, -1,
|
|
0, 0, mPointerGesture.downTime);
|
|
}
|
|
|
|
// Reset the current pointer gesture.
|
|
mPointerGesture.reset();
|
|
mPointerVelocityControl.reset();
|
|
|
|
// Remove any current spots.
|
|
if (mPointerController != NULL) {
|
|
mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
mPointerController->clearSpots();
|
|
}
|
|
}
|
|
|
|
bool TouchInputMapper::preparePointerGestures(nsecs_t when,
|
|
bool* outCancelPreviousGesture, bool* outFinishPreviousGesture, bool isTimeout) {
|
|
*outCancelPreviousGesture = false;
|
|
*outFinishPreviousGesture = false;
|
|
|
|
// Handle TAP timeout.
|
|
if (isTimeout) {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: Processing timeout");
|
|
#endif
|
|
|
|
if (mPointerGesture.lastGestureMode == PointerGesture::TAP) {
|
|
if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
|
|
// The tap/drag timeout has not yet expired.
|
|
getContext()->requestTimeoutAtTime(mPointerGesture.tapUpTime
|
|
+ mConfig.pointerGestureTapDragInterval);
|
|
} else {
|
|
// The tap is finished.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: TAP finished");
|
|
#endif
|
|
*outFinishPreviousGesture = true;
|
|
|
|
mPointerGesture.activeGestureId = -1;
|
|
mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL;
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
|
|
mPointerVelocityControl.reset();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// We did not handle this timeout.
|
|
return false;
|
|
}
|
|
|
|
const uint32_t currentFingerCount = mCurrentFingerIdBits.count();
|
|
const uint32_t lastFingerCount = mLastFingerIdBits.count();
|
|
|
|
// Update the velocity tracker.
|
|
{
|
|
VelocityTracker::Position positions[MAX_POINTERS];
|
|
uint32_t count = 0;
|
|
for (BitSet32 idBits(mCurrentFingerIdBits); !idBits.isEmpty(); count++) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
|
|
positions[count].x = pointer.x * mPointerXMovementScale;
|
|
positions[count].y = pointer.y * mPointerYMovementScale;
|
|
}
|
|
mPointerGesture.velocityTracker.addMovement(when,
|
|
mCurrentFingerIdBits, positions);
|
|
}
|
|
|
|
// If the gesture ever enters a mode other than TAP, HOVER or TAP_DRAG, without first returning
|
|
// to NEUTRAL, then we should not generate tap event.
|
|
if (mPointerGesture.lastGestureMode != PointerGesture::HOVER
|
|
&& mPointerGesture.lastGestureMode != PointerGesture::TAP
|
|
&& mPointerGesture.lastGestureMode != PointerGesture::TAP_DRAG) {
|
|
mPointerGesture.resetTap();
|
|
}
|
|
|
|
// Pick a new active touch id if needed.
|
|
// Choose an arbitrary pointer that just went down, if there is one.
|
|
// Otherwise choose an arbitrary remaining pointer.
|
|
// This guarantees we always have an active touch id when there is at least one pointer.
|
|
// We keep the same active touch id for as long as possible.
|
|
bool activeTouchChanged = false;
|
|
int32_t lastActiveTouchId = mPointerGesture.activeTouchId;
|
|
int32_t activeTouchId = lastActiveTouchId;
|
|
if (activeTouchId < 0) {
|
|
if (!mCurrentFingerIdBits.isEmpty()) {
|
|
activeTouchChanged = true;
|
|
activeTouchId = mPointerGesture.activeTouchId =
|
|
mCurrentFingerIdBits.firstMarkedBit();
|
|
mPointerGesture.firstTouchTime = when;
|
|
}
|
|
} else if (!mCurrentFingerIdBits.hasBit(activeTouchId)) {
|
|
activeTouchChanged = true;
|
|
if (!mCurrentFingerIdBits.isEmpty()) {
|
|
activeTouchId = mPointerGesture.activeTouchId =
|
|
mCurrentFingerIdBits.firstMarkedBit();
|
|
} else {
|
|
activeTouchId = mPointerGesture.activeTouchId = -1;
|
|
}
|
|
}
|
|
|
|
// Determine whether we are in quiet time.
|
|
bool isQuietTime = false;
|
|
if (activeTouchId < 0) {
|
|
mPointerGesture.resetQuietTime();
|
|
} else {
|
|
isQuietTime = when < mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval;
|
|
if (!isQuietTime) {
|
|
if ((mPointerGesture.lastGestureMode == PointerGesture::PRESS
|
|
|| mPointerGesture.lastGestureMode == PointerGesture::SWIPE
|
|
|| mPointerGesture.lastGestureMode == PointerGesture::FREEFORM)
|
|
&& currentFingerCount < 2) {
|
|
// Enter quiet time when exiting swipe or freeform state.
|
|
// This is to prevent accidentally entering the hover state and flinging the
|
|
// pointer when finishing a swipe and there is still one pointer left onscreen.
|
|
isQuietTime = true;
|
|
} else if (mPointerGesture.lastGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG
|
|
&& currentFingerCount >= 2
|
|
&& !isPointerDown(mCurrentButtonState)) {
|
|
// Enter quiet time when releasing the button and there are still two or more
|
|
// fingers down. This may indicate that one finger was used to press the button
|
|
// but it has not gone up yet.
|
|
isQuietTime = true;
|
|
}
|
|
if (isQuietTime) {
|
|
mPointerGesture.quietTime = when;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Switch states based on button and pointer state.
|
|
if (isQuietTime) {
|
|
// Case 1: Quiet time. (QUIET)
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: QUIET for next %0.3fms", (mPointerGesture.quietTime
|
|
+ mConfig.pointerGestureQuietInterval - when) * 0.000001f);
|
|
#endif
|
|
if (mPointerGesture.lastGestureMode != PointerGesture::QUIET) {
|
|
*outFinishPreviousGesture = true;
|
|
}
|
|
|
|
mPointerGesture.activeGestureId = -1;
|
|
mPointerGesture.currentGestureMode = PointerGesture::QUIET;
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
|
|
mPointerVelocityControl.reset();
|
|
} else if (isPointerDown(mCurrentButtonState)) {
|
|
// Case 2: Button is pressed. (BUTTON_CLICK_OR_DRAG)
|
|
// The pointer follows the active touch point.
|
|
// Emit DOWN, MOVE, UP events at the pointer location.
|
|
//
|
|
// Only the active touch matters; other fingers are ignored. This policy helps
|
|
// to handle the case where the user places a second finger on the touch pad
|
|
// to apply the necessary force to depress an integrated button below the surface.
|
|
// We don't want the second finger to be delivered to applications.
|
|
//
|
|
// For this to work well, we need to make sure to track the pointer that is really
|
|
// active. If the user first puts one finger down to click then adds another
|
|
// finger to drag then the active pointer should switch to the finger that is
|
|
// being dragged.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, "
|
|
"currentFingerCount=%d", activeTouchId, currentFingerCount);
|
|
#endif
|
|
// Reset state when just starting.
|
|
if (mPointerGesture.lastGestureMode != PointerGesture::BUTTON_CLICK_OR_DRAG) {
|
|
*outFinishPreviousGesture = true;
|
|
mPointerGesture.activeGestureId = 0;
|
|
}
|
|
|
|
// Switch pointers if needed.
|
|
// Find the fastest pointer and follow it.
|
|
if (activeTouchId >= 0 && currentFingerCount > 1) {
|
|
int32_t bestId = -1;
|
|
float bestSpeed = mConfig.pointerGestureDragMinSwitchSpeed;
|
|
for (BitSet32 idBits(mCurrentFingerIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
float vx, vy;
|
|
if (mPointerGesture.velocityTracker.getVelocity(id, &vx, &vy)) {
|
|
float speed = hypotf(vx, vy);
|
|
if (speed > bestSpeed) {
|
|
bestId = id;
|
|
bestSpeed = speed;
|
|
}
|
|
}
|
|
}
|
|
if (bestId >= 0 && bestId != activeTouchId) {
|
|
mPointerGesture.activeTouchId = activeTouchId = bestId;
|
|
activeTouchChanged = true;
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: BUTTON_CLICK_OR_DRAG switched pointers, "
|
|
"bestId=%d, bestSpeed=%0.3f", bestId, bestSpeed);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (activeTouchId >= 0 && mLastFingerIdBits.hasBit(activeTouchId)) {
|
|
const RawPointerData::Pointer& currentPointer =
|
|
mCurrentRawPointerData.pointerForId(activeTouchId);
|
|
const RawPointerData::Pointer& lastPointer =
|
|
mLastRawPointerData.pointerForId(activeTouchId);
|
|
float deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
|
|
float deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
|
|
|
|
rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
|
|
mPointerVelocityControl.move(when, &deltaX, &deltaY);
|
|
|
|
// Move the pointer using a relative motion.
|
|
// When using spots, the click will occur at the position of the anchor
|
|
// spot and all other spots will move there.
|
|
mPointerController->move(deltaX, deltaY);
|
|
} else {
|
|
mPointerVelocityControl.reset();
|
|
}
|
|
|
|
float x, y;
|
|
mPointerController->getPosition(&x, &y);
|
|
|
|
mPointerGesture.currentGestureMode = PointerGesture::BUTTON_CLICK_OR_DRAG;
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
|
|
mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
|
|
mPointerGesture.currentGestureProperties[0].clear();
|
|
mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
|
|
mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
mPointerGesture.currentGestureCoords[0].clear();
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
|
|
} else if (currentFingerCount == 0) {
|
|
// Case 3. No fingers down and button is not pressed. (NEUTRAL)
|
|
if (mPointerGesture.lastGestureMode != PointerGesture::NEUTRAL) {
|
|
*outFinishPreviousGesture = true;
|
|
}
|
|
|
|
// Watch for taps coming out of HOVER or TAP_DRAG mode.
|
|
// Checking for taps after TAP_DRAG allows us to detect double-taps.
|
|
bool tapped = false;
|
|
if ((mPointerGesture.lastGestureMode == PointerGesture::HOVER
|
|
|| mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG)
|
|
&& lastFingerCount == 1) {
|
|
if (when <= mPointerGesture.tapDownTime + mConfig.pointerGestureTapInterval) {
|
|
float x, y;
|
|
mPointerController->getPosition(&x, &y);
|
|
if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop
|
|
&& fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: TAP");
|
|
#endif
|
|
|
|
mPointerGesture.tapUpTime = when;
|
|
getContext()->requestTimeoutAtTime(when
|
|
+ mConfig.pointerGestureTapDragInterval);
|
|
|
|
mPointerGesture.activeGestureId = 0;
|
|
mPointerGesture.currentGestureMode = PointerGesture::TAP;
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
mPointerGesture.currentGestureIdBits.markBit(
|
|
mPointerGesture.activeGestureId);
|
|
mPointerGesture.currentGestureIdToIndex[
|
|
mPointerGesture.activeGestureId] = 0;
|
|
mPointerGesture.currentGestureProperties[0].clear();
|
|
mPointerGesture.currentGestureProperties[0].id =
|
|
mPointerGesture.activeGestureId;
|
|
mPointerGesture.currentGestureProperties[0].toolType =
|
|
AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
mPointerGesture.currentGestureCoords[0].clear();
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(
|
|
AMOTION_EVENT_AXIS_X, mPointerGesture.tapX);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(
|
|
AMOTION_EVENT_AXIS_Y, mPointerGesture.tapY);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(
|
|
AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
|
|
|
|
tapped = true;
|
|
} else {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: Not a TAP, deltaX=%f, deltaY=%f",
|
|
x - mPointerGesture.tapX,
|
|
y - mPointerGesture.tapY);
|
|
#endif
|
|
}
|
|
} else {
|
|
#if DEBUG_GESTURES
|
|
if (mPointerGesture.tapDownTime != LLONG_MIN) {
|
|
ALOGD("Gestures: Not a TAP, %0.3fms since down",
|
|
(when - mPointerGesture.tapDownTime) * 0.000001f);
|
|
} else {
|
|
ALOGD("Gestures: Not a TAP, incompatible mode transitions");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
mPointerVelocityControl.reset();
|
|
|
|
if (!tapped) {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: NEUTRAL");
|
|
#endif
|
|
mPointerGesture.activeGestureId = -1;
|
|
mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL;
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
}
|
|
} else if (currentFingerCount == 1) {
|
|
// Case 4. Exactly one finger down, button is not pressed. (HOVER or TAP_DRAG)
|
|
// The pointer follows the active touch point.
|
|
// When in HOVER, emit HOVER_MOVE events at the pointer location.
|
|
// When in TAP_DRAG, emit MOVE events at the pointer location.
|
|
ALOG_ASSERT(activeTouchId >= 0);
|
|
|
|
mPointerGesture.currentGestureMode = PointerGesture::HOVER;
|
|
if (mPointerGesture.lastGestureMode == PointerGesture::TAP) {
|
|
if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
|
|
float x, y;
|
|
mPointerController->getPosition(&x, &y);
|
|
if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop
|
|
&& fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
|
|
mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG;
|
|
} else {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f",
|
|
x - mPointerGesture.tapX,
|
|
y - mPointerGesture.tapY);
|
|
#endif
|
|
}
|
|
} else {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: Not a TAP_DRAG, %0.3fms time since up",
|
|
(when - mPointerGesture.tapUpTime) * 0.000001f);
|
|
#endif
|
|
}
|
|
} else if (mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG) {
|
|
mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG;
|
|
}
|
|
|
|
if (mLastFingerIdBits.hasBit(activeTouchId)) {
|
|
const RawPointerData::Pointer& currentPointer =
|
|
mCurrentRawPointerData.pointerForId(activeTouchId);
|
|
const RawPointerData::Pointer& lastPointer =
|
|
mLastRawPointerData.pointerForId(activeTouchId);
|
|
float deltaX = (currentPointer.x - lastPointer.x)
|
|
* mPointerXMovementScale;
|
|
float deltaY = (currentPointer.y - lastPointer.y)
|
|
* mPointerYMovementScale;
|
|
|
|
rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
|
|
mPointerVelocityControl.move(when, &deltaX, &deltaY);
|
|
|
|
// Move the pointer using a relative motion.
|
|
// When using spots, the hover or drag will occur at the position of the anchor spot.
|
|
mPointerController->move(deltaX, deltaY);
|
|
} else {
|
|
mPointerVelocityControl.reset();
|
|
}
|
|
|
|
bool down;
|
|
if (mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG) {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: TAP_DRAG");
|
|
#endif
|
|
down = true;
|
|
} else {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: HOVER");
|
|
#endif
|
|
if (mPointerGesture.lastGestureMode != PointerGesture::HOVER) {
|
|
*outFinishPreviousGesture = true;
|
|
}
|
|
mPointerGesture.activeGestureId = 0;
|
|
down = false;
|
|
}
|
|
|
|
float x, y;
|
|
mPointerController->getPosition(&x, &y);
|
|
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
|
|
mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
|
|
mPointerGesture.currentGestureProperties[0].clear();
|
|
mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
|
|
mPointerGesture.currentGestureProperties[0].toolType =
|
|
AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
mPointerGesture.currentGestureCoords[0].clear();
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE,
|
|
down ? 1.0f : 0.0f);
|
|
|
|
if (lastFingerCount == 0 && currentFingerCount != 0) {
|
|
mPointerGesture.resetTap();
|
|
mPointerGesture.tapDownTime = when;
|
|
mPointerGesture.tapX = x;
|
|
mPointerGesture.tapY = y;
|
|
}
|
|
} else {
|
|
// Case 5. At least two fingers down, button is not pressed. (PRESS, SWIPE or FREEFORM)
|
|
// We need to provide feedback for each finger that goes down so we cannot wait
|
|
// for the fingers to move before deciding what to do.
|
|
//
|
|
// The ambiguous case is deciding what to do when there are two fingers down but they
|
|
// have not moved enough to determine whether they are part of a drag or part of a
|
|
// freeform gesture, or just a press or long-press at the pointer location.
|
|
//
|
|
// When there are two fingers we start with the PRESS hypothesis and we generate a
|
|
// down at the pointer location.
|
|
//
|
|
// When the two fingers move enough or when additional fingers are added, we make
|
|
// a decision to transition into SWIPE or FREEFORM mode accordingly.
|
|
ALOG_ASSERT(activeTouchId >= 0);
|
|
|
|
bool settled = when >= mPointerGesture.firstTouchTime
|
|
+ mConfig.pointerGestureMultitouchSettleInterval;
|
|
if (mPointerGesture.lastGestureMode != PointerGesture::PRESS
|
|
&& mPointerGesture.lastGestureMode != PointerGesture::SWIPE
|
|
&& mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) {
|
|
*outFinishPreviousGesture = true;
|
|
} else if (!settled && currentFingerCount > lastFingerCount) {
|
|
// Additional pointers have gone down but not yet settled.
|
|
// Reset the gesture.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: Resetting gesture since additional pointers went down for MULTITOUCH, "
|
|
"settle time remaining %0.3fms", (mPointerGesture.firstTouchTime
|
|
+ mConfig.pointerGestureMultitouchSettleInterval - when)
|
|
* 0.000001f);
|
|
#endif
|
|
*outCancelPreviousGesture = true;
|
|
} else {
|
|
// Continue previous gesture.
|
|
mPointerGesture.currentGestureMode = mPointerGesture.lastGestureMode;
|
|
}
|
|
|
|
if (*outFinishPreviousGesture || *outCancelPreviousGesture) {
|
|
mPointerGesture.currentGestureMode = PointerGesture::PRESS;
|
|
mPointerGesture.activeGestureId = 0;
|
|
mPointerGesture.referenceIdBits.clear();
|
|
mPointerVelocityControl.reset();
|
|
|
|
// Use the centroid and pointer location as the reference points for the gesture.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: Using centroid as reference for MULTITOUCH, "
|
|
"settle time remaining %0.3fms", (mPointerGesture.firstTouchTime
|
|
+ mConfig.pointerGestureMultitouchSettleInterval - when)
|
|
* 0.000001f);
|
|
#endif
|
|
mCurrentRawPointerData.getCentroidOfTouchingPointers(
|
|
&mPointerGesture.referenceTouchX,
|
|
&mPointerGesture.referenceTouchY);
|
|
mPointerController->getPosition(&mPointerGesture.referenceGestureX,
|
|
&mPointerGesture.referenceGestureY);
|
|
}
|
|
|
|
// Clear the reference deltas for fingers not yet included in the reference calculation.
|
|
for (BitSet32 idBits(mCurrentFingerIdBits.value
|
|
& ~mPointerGesture.referenceIdBits.value); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
mPointerGesture.referenceDeltas[id].dx = 0;
|
|
mPointerGesture.referenceDeltas[id].dy = 0;
|
|
}
|
|
mPointerGesture.referenceIdBits = mCurrentFingerIdBits;
|
|
|
|
// Add delta for all fingers and calculate a common movement delta.
|
|
float commonDeltaX = 0, commonDeltaY = 0;
|
|
BitSet32 commonIdBits(mLastFingerIdBits.value
|
|
& mCurrentFingerIdBits.value);
|
|
for (BitSet32 idBits(commonIdBits); !idBits.isEmpty(); ) {
|
|
bool first = (idBits == commonIdBits);
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
const RawPointerData::Pointer& cpd = mCurrentRawPointerData.pointerForId(id);
|
|
const RawPointerData::Pointer& lpd = mLastRawPointerData.pointerForId(id);
|
|
PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
|
|
delta.dx += cpd.x - lpd.x;
|
|
delta.dy += cpd.y - lpd.y;
|
|
|
|
if (first) {
|
|
commonDeltaX = delta.dx;
|
|
commonDeltaY = delta.dy;
|
|
} else {
|
|
commonDeltaX = calculateCommonVector(commonDeltaX, delta.dx);
|
|
commonDeltaY = calculateCommonVector(commonDeltaY, delta.dy);
|
|
}
|
|
}
|
|
|
|
// Consider transitions from PRESS to SWIPE or MULTITOUCH.
|
|
if (mPointerGesture.currentGestureMode == PointerGesture::PRESS) {
|
|
float dist[MAX_POINTER_ID + 1];
|
|
int32_t distOverThreshold = 0;
|
|
for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
|
|
dist[id] = hypotf(delta.dx * mPointerXZoomScale,
|
|
delta.dy * mPointerYZoomScale);
|
|
if (dist[id] > mConfig.pointerGestureMultitouchMinDistance) {
|
|
distOverThreshold += 1;
|
|
}
|
|
}
|
|
|
|
// Only transition when at least two pointers have moved further than
|
|
// the minimum distance threshold.
|
|
if (distOverThreshold >= 2) {
|
|
if (currentFingerCount > 2) {
|
|
// There are more than two pointers, switch to FREEFORM.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2",
|
|
currentFingerCount);
|
|
#endif
|
|
*outCancelPreviousGesture = true;
|
|
mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
|
|
} else {
|
|
// There are exactly two pointers.
|
|
BitSet32 idBits(mCurrentFingerIdBits);
|
|
uint32_t id1 = idBits.clearFirstMarkedBit();
|
|
uint32_t id2 = idBits.firstMarkedBit();
|
|
const RawPointerData::Pointer& p1 = mCurrentRawPointerData.pointerForId(id1);
|
|
const RawPointerData::Pointer& p2 = mCurrentRawPointerData.pointerForId(id2);
|
|
float mutualDistance = distance(p1.x, p1.y, p2.x, p2.y);
|
|
if (mutualDistance > mPointerGestureMaxSwipeWidth) {
|
|
// There are two pointers but they are too far apart for a SWIPE,
|
|
// switch to FREEFORM.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: PRESS transitioned to FREEFORM, distance %0.3f > %0.3f",
|
|
mutualDistance, mPointerGestureMaxSwipeWidth);
|
|
#endif
|
|
*outCancelPreviousGesture = true;
|
|
mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
|
|
} else {
|
|
// There are two pointers. Wait for both pointers to start moving
|
|
// before deciding whether this is a SWIPE or FREEFORM gesture.
|
|
float dist1 = dist[id1];
|
|
float dist2 = dist[id2];
|
|
if (dist1 >= mConfig.pointerGestureMultitouchMinDistance
|
|
&& dist2 >= mConfig.pointerGestureMultitouchMinDistance) {
|
|
// Calculate the dot product of the displacement vectors.
|
|
// When the vectors are oriented in approximately the same direction,
|
|
// the angle betweeen them is near zero and the cosine of the angle
|
|
// approches 1.0. Recall that dot(v1, v2) = cos(angle) * mag(v1) * mag(v2).
|
|
PointerGesture::Delta& delta1 = mPointerGesture.referenceDeltas[id1];
|
|
PointerGesture::Delta& delta2 = mPointerGesture.referenceDeltas[id2];
|
|
float dx1 = delta1.dx * mPointerXZoomScale;
|
|
float dy1 = delta1.dy * mPointerYZoomScale;
|
|
float dx2 = delta2.dx * mPointerXZoomScale;
|
|
float dy2 = delta2.dy * mPointerYZoomScale;
|
|
float dot = dx1 * dx2 + dy1 * dy2;
|
|
float cosine = dot / (dist1 * dist2); // denominator always > 0
|
|
if (cosine >= mConfig.pointerGestureSwipeTransitionAngleCosine) {
|
|
// Pointers are moving in the same direction. Switch to SWIPE.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: PRESS transitioned to SWIPE, "
|
|
"dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
|
|
"cosine %0.3f >= %0.3f",
|
|
dist1, mConfig.pointerGestureMultitouchMinDistance,
|
|
dist2, mConfig.pointerGestureMultitouchMinDistance,
|
|
cosine, mConfig.pointerGestureSwipeTransitionAngleCosine);
|
|
#endif
|
|
mPointerGesture.currentGestureMode = PointerGesture::SWIPE;
|
|
} else {
|
|
// Pointers are moving in different directions. Switch to FREEFORM.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: PRESS transitioned to FREEFORM, "
|
|
"dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
|
|
"cosine %0.3f < %0.3f",
|
|
dist1, mConfig.pointerGestureMultitouchMinDistance,
|
|
dist2, mConfig.pointerGestureMultitouchMinDistance,
|
|
cosine, mConfig.pointerGestureSwipeTransitionAngleCosine);
|
|
#endif
|
|
*outCancelPreviousGesture = true;
|
|
mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (mPointerGesture.currentGestureMode == PointerGesture::SWIPE) {
|
|
// Switch from SWIPE to FREEFORM if additional pointers go down.
|
|
// Cancel previous gesture.
|
|
if (currentFingerCount > 2) {
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2",
|
|
currentFingerCount);
|
|
#endif
|
|
*outCancelPreviousGesture = true;
|
|
mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
|
|
}
|
|
}
|
|
|
|
// Move the reference points based on the overall group motion of the fingers
|
|
// except in PRESS mode while waiting for a transition to occur.
|
|
if (mPointerGesture.currentGestureMode != PointerGesture::PRESS
|
|
&& (commonDeltaX || commonDeltaY)) {
|
|
for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
|
|
delta.dx = 0;
|
|
delta.dy = 0;
|
|
}
|
|
|
|
mPointerGesture.referenceTouchX += commonDeltaX;
|
|
mPointerGesture.referenceTouchY += commonDeltaY;
|
|
|
|
commonDeltaX *= mPointerXMovementScale;
|
|
commonDeltaY *= mPointerYMovementScale;
|
|
|
|
rotateDelta(mSurfaceOrientation, &commonDeltaX, &commonDeltaY);
|
|
mPointerVelocityControl.move(when, &commonDeltaX, &commonDeltaY);
|
|
|
|
mPointerGesture.referenceGestureX += commonDeltaX;
|
|
mPointerGesture.referenceGestureY += commonDeltaY;
|
|
}
|
|
|
|
// Report gestures.
|
|
if (mPointerGesture.currentGestureMode == PointerGesture::PRESS
|
|
|| mPointerGesture.currentGestureMode == PointerGesture::SWIPE) {
|
|
// PRESS or SWIPE mode.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: PRESS or SWIPE activeTouchId=%d,"
|
|
"activeGestureId=%d, currentTouchPointerCount=%d",
|
|
activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
|
|
#endif
|
|
ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
|
|
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
|
|
mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
|
|
mPointerGesture.currentGestureProperties[0].clear();
|
|
mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
|
|
mPointerGesture.currentGestureProperties[0].toolType =
|
|
AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
mPointerGesture.currentGestureCoords[0].clear();
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X,
|
|
mPointerGesture.referenceGestureX);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y,
|
|
mPointerGesture.referenceGestureY);
|
|
mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
|
|
} else if (mPointerGesture.currentGestureMode == PointerGesture::FREEFORM) {
|
|
// FREEFORM mode.
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: FREEFORM activeTouchId=%d,"
|
|
"activeGestureId=%d, currentTouchPointerCount=%d",
|
|
activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
|
|
#endif
|
|
ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
|
|
|
|
mPointerGesture.currentGestureIdBits.clear();
|
|
|
|
BitSet32 mappedTouchIdBits;
|
|
BitSet32 usedGestureIdBits;
|
|
if (mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) {
|
|
// Initially, assign the active gesture id to the active touch point
|
|
// if there is one. No other touch id bits are mapped yet.
|
|
if (!*outCancelPreviousGesture) {
|
|
mappedTouchIdBits.markBit(activeTouchId);
|
|
usedGestureIdBits.markBit(mPointerGesture.activeGestureId);
|
|
mPointerGesture.freeformTouchToGestureIdMap[activeTouchId] =
|
|
mPointerGesture.activeGestureId;
|
|
} else {
|
|
mPointerGesture.activeGestureId = -1;
|
|
}
|
|
} else {
|
|
// Otherwise, assume we mapped all touches from the previous frame.
|
|
// Reuse all mappings that are still applicable.
|
|
mappedTouchIdBits.value = mLastFingerIdBits.value
|
|
& mCurrentFingerIdBits.value;
|
|
usedGestureIdBits = mPointerGesture.lastGestureIdBits;
|
|
|
|
// Check whether we need to choose a new active gesture id because the
|
|
// current went went up.
|
|
for (BitSet32 upTouchIdBits(mLastFingerIdBits.value
|
|
& ~mCurrentFingerIdBits.value);
|
|
!upTouchIdBits.isEmpty(); ) {
|
|
uint32_t upTouchId = upTouchIdBits.clearFirstMarkedBit();
|
|
uint32_t upGestureId = mPointerGesture.freeformTouchToGestureIdMap[upTouchId];
|
|
if (upGestureId == uint32_t(mPointerGesture.activeGestureId)) {
|
|
mPointerGesture.activeGestureId = -1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: FREEFORM follow up "
|
|
"mappedTouchIdBits=0x%08x, usedGestureIdBits=0x%08x, "
|
|
"activeGestureId=%d",
|
|
mappedTouchIdBits.value, usedGestureIdBits.value,
|
|
mPointerGesture.activeGestureId);
|
|
#endif
|
|
|
|
BitSet32 idBits(mCurrentFingerIdBits);
|
|
for (uint32_t i = 0; i < currentFingerCount; i++) {
|
|
uint32_t touchId = idBits.clearFirstMarkedBit();
|
|
uint32_t gestureId;
|
|
if (!mappedTouchIdBits.hasBit(touchId)) {
|
|
gestureId = usedGestureIdBits.markFirstUnmarkedBit();
|
|
mPointerGesture.freeformTouchToGestureIdMap[touchId] = gestureId;
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: FREEFORM "
|
|
"new mapping for touch id %d -> gesture id %d",
|
|
touchId, gestureId);
|
|
#endif
|
|
} else {
|
|
gestureId = mPointerGesture.freeformTouchToGestureIdMap[touchId];
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: FREEFORM "
|
|
"existing mapping for touch id %d -> gesture id %d",
|
|
touchId, gestureId);
|
|
#endif
|
|
}
|
|
mPointerGesture.currentGestureIdBits.markBit(gestureId);
|
|
mPointerGesture.currentGestureIdToIndex[gestureId] = i;
|
|
|
|
const RawPointerData::Pointer& pointer =
|
|
mCurrentRawPointerData.pointerForId(touchId);
|
|
float deltaX = (pointer.x - mPointerGesture.referenceTouchX)
|
|
* mPointerXZoomScale;
|
|
float deltaY = (pointer.y - mPointerGesture.referenceTouchY)
|
|
* mPointerYZoomScale;
|
|
rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
|
|
|
|
mPointerGesture.currentGestureProperties[i].clear();
|
|
mPointerGesture.currentGestureProperties[i].id = gestureId;
|
|
mPointerGesture.currentGestureProperties[i].toolType =
|
|
AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
mPointerGesture.currentGestureCoords[i].clear();
|
|
mPointerGesture.currentGestureCoords[i].setAxisValue(
|
|
AMOTION_EVENT_AXIS_X, mPointerGesture.referenceGestureX + deltaX);
|
|
mPointerGesture.currentGestureCoords[i].setAxisValue(
|
|
AMOTION_EVENT_AXIS_Y, mPointerGesture.referenceGestureY + deltaY);
|
|
mPointerGesture.currentGestureCoords[i].setAxisValue(
|
|
AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
|
|
}
|
|
|
|
if (mPointerGesture.activeGestureId < 0) {
|
|
mPointerGesture.activeGestureId =
|
|
mPointerGesture.currentGestureIdBits.firstMarkedBit();
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: FREEFORM new "
|
|
"activeGestureId=%d", mPointerGesture.activeGestureId);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
mPointerController->setButtonState(mCurrentButtonState);
|
|
|
|
#if DEBUG_GESTURES
|
|
ALOGD("Gestures: finishPreviousGesture=%s, cancelPreviousGesture=%s, "
|
|
"currentGestureMode=%d, currentGestureIdBits=0x%08x, "
|
|
"lastGestureMode=%d, lastGestureIdBits=0x%08x",
|
|
toString(*outFinishPreviousGesture), toString(*outCancelPreviousGesture),
|
|
mPointerGesture.currentGestureMode, mPointerGesture.currentGestureIdBits.value,
|
|
mPointerGesture.lastGestureMode, mPointerGesture.lastGestureIdBits.value);
|
|
for (BitSet32 idBits = mPointerGesture.currentGestureIdBits; !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
|
|
const PointerProperties& properties = mPointerGesture.currentGestureProperties[index];
|
|
const PointerCoords& coords = mPointerGesture.currentGestureCoords[index];
|
|
ALOGD(" currentGesture[%d]: index=%d, toolType=%d, "
|
|
"x=%0.3f, y=%0.3f, pressure=%0.3f",
|
|
id, index, properties.toolType,
|
|
coords.getAxisValue(AMOTION_EVENT_AXIS_X),
|
|
coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
|
|
coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
|
|
}
|
|
for (BitSet32 idBits = mPointerGesture.lastGestureIdBits; !idBits.isEmpty(); ) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
uint32_t index = mPointerGesture.lastGestureIdToIndex[id];
|
|
const PointerProperties& properties = mPointerGesture.lastGestureProperties[index];
|
|
const PointerCoords& coords = mPointerGesture.lastGestureCoords[index];
|
|
ALOGD(" lastGesture[%d]: index=%d, toolType=%d, "
|
|
"x=%0.3f, y=%0.3f, pressure=%0.3f",
|
|
id, index, properties.toolType,
|
|
coords.getAxisValue(AMOTION_EVENT_AXIS_X),
|
|
coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
|
|
coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
void TouchInputMapper::dispatchPointerStylus(nsecs_t when, uint32_t policyFlags) {
|
|
mPointerSimple.currentCoords.clear();
|
|
mPointerSimple.currentProperties.clear();
|
|
|
|
bool down, hovering;
|
|
if (!mCurrentStylusIdBits.isEmpty()) {
|
|
uint32_t id = mCurrentStylusIdBits.firstMarkedBit();
|
|
uint32_t index = mCurrentCookedPointerData.idToIndex[id];
|
|
float x = mCurrentCookedPointerData.pointerCoords[index].getX();
|
|
float y = mCurrentCookedPointerData.pointerCoords[index].getY();
|
|
mPointerController->setPosition(x, y);
|
|
|
|
hovering = mCurrentCookedPointerData.hoveringIdBits.hasBit(id);
|
|
down = !hovering;
|
|
|
|
mPointerController->getPosition(&x, &y);
|
|
mPointerSimple.currentCoords.copyFrom(mCurrentCookedPointerData.pointerCoords[index]);
|
|
mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
|
|
mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
|
|
mPointerSimple.currentProperties.id = 0;
|
|
mPointerSimple.currentProperties.toolType =
|
|
mCurrentCookedPointerData.pointerProperties[index].toolType;
|
|
} else {
|
|
down = false;
|
|
hovering = false;
|
|
}
|
|
|
|
dispatchPointerSimple(when, policyFlags, down, hovering);
|
|
}
|
|
|
|
void TouchInputMapper::abortPointerStylus(nsecs_t when, uint32_t policyFlags) {
|
|
abortPointerSimple(when, policyFlags);
|
|
}
|
|
|
|
void TouchInputMapper::dispatchPointerMouse(nsecs_t when, uint32_t policyFlags) {
|
|
mPointerSimple.currentCoords.clear();
|
|
mPointerSimple.currentProperties.clear();
|
|
|
|
bool down, hovering;
|
|
if (!mCurrentMouseIdBits.isEmpty()) {
|
|
uint32_t id = mCurrentMouseIdBits.firstMarkedBit();
|
|
uint32_t currentIndex = mCurrentRawPointerData.idToIndex[id];
|
|
if (mLastMouseIdBits.hasBit(id)) {
|
|
uint32_t lastIndex = mCurrentRawPointerData.idToIndex[id];
|
|
float deltaX = (mCurrentRawPointerData.pointers[currentIndex].x
|
|
- mLastRawPointerData.pointers[lastIndex].x)
|
|
* mPointerXMovementScale;
|
|
float deltaY = (mCurrentRawPointerData.pointers[currentIndex].y
|
|
- mLastRawPointerData.pointers[lastIndex].y)
|
|
* mPointerYMovementScale;
|
|
|
|
rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
|
|
mPointerVelocityControl.move(when, &deltaX, &deltaY);
|
|
|
|
mPointerController->move(deltaX, deltaY);
|
|
} else {
|
|
mPointerVelocityControl.reset();
|
|
}
|
|
|
|
down = isPointerDown(mCurrentButtonState);
|
|
hovering = !down;
|
|
|
|
float x, y;
|
|
mPointerController->getPosition(&x, &y);
|
|
mPointerSimple.currentCoords.copyFrom(
|
|
mCurrentCookedPointerData.pointerCoords[currentIndex]);
|
|
mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
|
|
mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
|
|
mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE,
|
|
hovering ? 0.0f : 1.0f);
|
|
mPointerSimple.currentProperties.id = 0;
|
|
mPointerSimple.currentProperties.toolType =
|
|
mCurrentCookedPointerData.pointerProperties[currentIndex].toolType;
|
|
} else {
|
|
mPointerVelocityControl.reset();
|
|
|
|
down = false;
|
|
hovering = false;
|
|
}
|
|
|
|
dispatchPointerSimple(when, policyFlags, down, hovering);
|
|
}
|
|
|
|
void TouchInputMapper::abortPointerMouse(nsecs_t when, uint32_t policyFlags) {
|
|
abortPointerSimple(when, policyFlags);
|
|
|
|
mPointerVelocityControl.reset();
|
|
}
|
|
|
|
void TouchInputMapper::dispatchPointerSimple(nsecs_t when, uint32_t policyFlags,
|
|
bool down, bool hovering) {
|
|
int32_t metaState = getContext()->getGlobalMetaState();
|
|
|
|
if (mPointerController != NULL) {
|
|
if (down || hovering) {
|
|
mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
|
|
mPointerController->clearSpots();
|
|
mPointerController->setButtonState(mCurrentButtonState);
|
|
mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
|
|
} else if (!down && !hovering && (mPointerSimple.down || mPointerSimple.hovering)) {
|
|
mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
}
|
|
}
|
|
|
|
if (mPointerSimple.down && !down) {
|
|
mPointerSimple.down = false;
|
|
|
|
// Send up.
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_UP, 0, metaState, mLastButtonState, 0,
|
|
mViewport.displayId,
|
|
1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
|
|
mOrientedXPrecision, mOrientedYPrecision,
|
|
mPointerSimple.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
if (mPointerSimple.hovering && !hovering) {
|
|
mPointerSimple.hovering = false;
|
|
|
|
// Send hover exit.
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_HOVER_EXIT, 0, metaState, mLastButtonState, 0,
|
|
mViewport.displayId,
|
|
1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
|
|
mOrientedXPrecision, mOrientedYPrecision,
|
|
mPointerSimple.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
if (down) {
|
|
if (!mPointerSimple.down) {
|
|
mPointerSimple.down = true;
|
|
mPointerSimple.downTime = when;
|
|
|
|
// Send down.
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_DOWN, 0, metaState, mCurrentButtonState, 0,
|
|
mViewport.displayId,
|
|
1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
|
|
mOrientedXPrecision, mOrientedYPrecision,
|
|
mPointerSimple.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
// Send move.
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_MOVE, 0, metaState, mCurrentButtonState, 0,
|
|
mViewport.displayId,
|
|
1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
|
|
mOrientedXPrecision, mOrientedYPrecision,
|
|
mPointerSimple.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
if (hovering) {
|
|
if (!mPointerSimple.hovering) {
|
|
mPointerSimple.hovering = true;
|
|
|
|
// Send hover enter.
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_HOVER_ENTER, 0, metaState, mCurrentButtonState, 0,
|
|
mViewport.displayId,
|
|
1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
|
|
mOrientedXPrecision, mOrientedYPrecision,
|
|
mPointerSimple.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
// Send hover move.
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_HOVER_MOVE, 0, metaState, mCurrentButtonState, 0,
|
|
mViewport.displayId,
|
|
1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
|
|
mOrientedXPrecision, mOrientedYPrecision,
|
|
mPointerSimple.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
if (mCurrentRawVScroll || mCurrentRawHScroll) {
|
|
float vscroll = mCurrentRawVScroll;
|
|
float hscroll = mCurrentRawHScroll;
|
|
mWheelYVelocityControl.move(when, NULL, &vscroll);
|
|
mWheelXVelocityControl.move(when, &hscroll, NULL);
|
|
|
|
// Send scroll.
|
|
PointerCoords pointerCoords;
|
|
pointerCoords.copyFrom(mPointerSimple.currentCoords);
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
|
|
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
|
|
|
|
NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
|
|
AMOTION_EVENT_ACTION_SCROLL, 0, metaState, mCurrentButtonState, 0,
|
|
mViewport.displayId,
|
|
1, &mPointerSimple.currentProperties, &pointerCoords,
|
|
mOrientedXPrecision, mOrientedYPrecision,
|
|
mPointerSimple.downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
// Save state.
|
|
if (down || hovering) {
|
|
mPointerSimple.lastCoords.copyFrom(mPointerSimple.currentCoords);
|
|
mPointerSimple.lastProperties.copyFrom(mPointerSimple.currentProperties);
|
|
} else {
|
|
mPointerSimple.reset();
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::abortPointerSimple(nsecs_t when, uint32_t policyFlags) {
|
|
mPointerSimple.currentCoords.clear();
|
|
mPointerSimple.currentProperties.clear();
|
|
|
|
dispatchPointerSimple(when, policyFlags, false, false);
|
|
}
|
|
|
|
void TouchInputMapper::dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32_t source,
|
|
int32_t action, int32_t flags, int32_t metaState, int32_t buttonState, int32_t edgeFlags,
|
|
const PointerProperties* properties, const PointerCoords* coords,
|
|
const uint32_t* idToIndex, BitSet32 idBits,
|
|
int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime) {
|
|
PointerCoords pointerCoords[MAX_POINTERS];
|
|
PointerProperties pointerProperties[MAX_POINTERS];
|
|
uint32_t pointerCount = 0;
|
|
while (!idBits.isEmpty()) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
uint32_t index = idToIndex[id];
|
|
pointerProperties[pointerCount].copyFrom(properties[index]);
|
|
pointerCoords[pointerCount].copyFrom(coords[index]);
|
|
|
|
if (changedId >= 0 && id == uint32_t(changedId)) {
|
|
action |= pointerCount << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
|
|
}
|
|
|
|
pointerCount += 1;
|
|
}
|
|
|
|
ALOG_ASSERT(pointerCount != 0);
|
|
|
|
if (changedId >= 0 && pointerCount == 1) {
|
|
// Replace initial down and final up action.
|
|
// We can compare the action without masking off the changed pointer index
|
|
// because we know the index is 0.
|
|
if (action == AMOTION_EVENT_ACTION_POINTER_DOWN) {
|
|
action = AMOTION_EVENT_ACTION_DOWN;
|
|
} else if (action == AMOTION_EVENT_ACTION_POINTER_UP) {
|
|
action = AMOTION_EVENT_ACTION_UP;
|
|
} else {
|
|
// Can't happen.
|
|
ALOG_ASSERT(false);
|
|
}
|
|
}
|
|
|
|
NotifyMotionArgs args(when, getDeviceId(), source, policyFlags,
|
|
action, flags, metaState, buttonState, edgeFlags,
|
|
mViewport.displayId, pointerCount, pointerProperties, pointerCoords,
|
|
xPrecision, yPrecision, downTime);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
bool TouchInputMapper::updateMovedPointers(const PointerProperties* inProperties,
|
|
const PointerCoords* inCoords, const uint32_t* inIdToIndex,
|
|
PointerProperties* outProperties, PointerCoords* outCoords, const uint32_t* outIdToIndex,
|
|
BitSet32 idBits) const {
|
|
bool changed = false;
|
|
while (!idBits.isEmpty()) {
|
|
uint32_t id = idBits.clearFirstMarkedBit();
|
|
uint32_t inIndex = inIdToIndex[id];
|
|
uint32_t outIndex = outIdToIndex[id];
|
|
|
|
const PointerProperties& curInProperties = inProperties[inIndex];
|
|
const PointerCoords& curInCoords = inCoords[inIndex];
|
|
PointerProperties& curOutProperties = outProperties[outIndex];
|
|
PointerCoords& curOutCoords = outCoords[outIndex];
|
|
|
|
if (curInProperties != curOutProperties) {
|
|
curOutProperties.copyFrom(curInProperties);
|
|
changed = true;
|
|
}
|
|
|
|
if (curInCoords != curOutCoords) {
|
|
curOutCoords.copyFrom(curInCoords);
|
|
changed = true;
|
|
}
|
|
}
|
|
return changed;
|
|
}
|
|
|
|
void TouchInputMapper::fadePointer() {
|
|
if (mPointerController != NULL) {
|
|
mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
|
|
}
|
|
}
|
|
|
|
bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) {
|
|
return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue
|
|
&& y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue;
|
|
}
|
|
|
|
const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(
|
|
int32_t x, int32_t y) {
|
|
size_t numVirtualKeys = mVirtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mVirtualKeys[i];
|
|
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
ALOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
|
|
"left=%d, top=%d, right=%d, bottom=%d",
|
|
x, y,
|
|
virtualKey.keyCode, virtualKey.scanCode,
|
|
virtualKey.hitLeft, virtualKey.hitTop,
|
|
virtualKey.hitRight, virtualKey.hitBottom);
|
|
#endif
|
|
|
|
if (virtualKey.isHit(x, y)) {
|
|
return & virtualKey;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void TouchInputMapper::assignPointerIds() {
|
|
uint32_t currentPointerCount = mCurrentRawPointerData.pointerCount;
|
|
uint32_t lastPointerCount = mLastRawPointerData.pointerCount;
|
|
|
|
mCurrentRawPointerData.clearIdBits();
|
|
|
|
if (currentPointerCount == 0) {
|
|
// No pointers to assign.
|
|
return;
|
|
}
|
|
|
|
if (lastPointerCount == 0) {
|
|
// All pointers are new.
|
|
for (uint32_t i = 0; i < currentPointerCount; i++) {
|
|
uint32_t id = i;
|
|
mCurrentRawPointerData.pointers[i].id = id;
|
|
mCurrentRawPointerData.idToIndex[id] = i;
|
|
mCurrentRawPointerData.markIdBit(id, mCurrentRawPointerData.isHovering(i));
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (currentPointerCount == 1 && lastPointerCount == 1
|
|
&& mCurrentRawPointerData.pointers[0].toolType
|
|
== mLastRawPointerData.pointers[0].toolType) {
|
|
// Only one pointer and no change in count so it must have the same id as before.
|
|
uint32_t id = mLastRawPointerData.pointers[0].id;
|
|
mCurrentRawPointerData.pointers[0].id = id;
|
|
mCurrentRawPointerData.idToIndex[id] = 0;
|
|
mCurrentRawPointerData.markIdBit(id, mCurrentRawPointerData.isHovering(0));
|
|
return;
|
|
}
|
|
|
|
// General case.
|
|
// We build a heap of squared euclidean distances between current and last pointers
|
|
// associated with the current and last pointer indices. Then, we find the best
|
|
// match (by distance) for each current pointer.
|
|
// The pointers must have the same tool type but it is possible for them to
|
|
// transition from hovering to touching or vice-versa while retaining the same id.
|
|
PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
|
|
|
|
uint32_t heapSize = 0;
|
|
for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
|
|
currentPointerIndex++) {
|
|
for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
|
|
lastPointerIndex++) {
|
|
const RawPointerData::Pointer& currentPointer =
|
|
mCurrentRawPointerData.pointers[currentPointerIndex];
|
|
const RawPointerData::Pointer& lastPointer =
|
|
mLastRawPointerData.pointers[lastPointerIndex];
|
|
if (currentPointer.toolType == lastPointer.toolType) {
|
|
int64_t deltaX = currentPointer.x - lastPointer.x;
|
|
int64_t deltaY = currentPointer.y - lastPointer.y;
|
|
|
|
uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
|
|
|
|
// Insert new element into the heap (sift up).
|
|
heap[heapSize].currentPointerIndex = currentPointerIndex;
|
|
heap[heapSize].lastPointerIndex = lastPointerIndex;
|
|
heap[heapSize].distance = distance;
|
|
heapSize += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Heapify
|
|
for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
|
|
startIndex -= 1;
|
|
for (uint32_t parentIndex = startIndex; ;) {
|
|
uint32_t childIndex = parentIndex * 2 + 1;
|
|
if (childIndex >= heapSize) {
|
|
break;
|
|
}
|
|
|
|
if (childIndex + 1 < heapSize
|
|
&& heap[childIndex + 1].distance < heap[childIndex].distance) {
|
|
childIndex += 1;
|
|
}
|
|
|
|
if (heap[parentIndex].distance <= heap[childIndex].distance) {
|
|
break;
|
|
}
|
|
|
|
swap(heap[parentIndex], heap[childIndex]);
|
|
parentIndex = childIndex;
|
|
}
|
|
}
|
|
|
|
#if DEBUG_POINTER_ASSIGNMENT
|
|
ALOGD("assignPointerIds - initial distance min-heap: size=%d", heapSize);
|
|
for (size_t i = 0; i < heapSize; i++) {
|
|
ALOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
|
|
i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
|
|
heap[i].distance);
|
|
}
|
|
#endif
|
|
|
|
// Pull matches out by increasing order of distance.
|
|
// To avoid reassigning pointers that have already been matched, the loop keeps track
|
|
// of which last and current pointers have been matched using the matchedXXXBits variables.
|
|
// It also tracks the used pointer id bits.
|
|
BitSet32 matchedLastBits(0);
|
|
BitSet32 matchedCurrentBits(0);
|
|
BitSet32 usedIdBits(0);
|
|
bool first = true;
|
|
for (uint32_t i = min(currentPointerCount, lastPointerCount); heapSize > 0 && i > 0; i--) {
|
|
while (heapSize > 0) {
|
|
if (first) {
|
|
// The first time through the loop, we just consume the root element of
|
|
// the heap (the one with smallest distance).
|
|
first = false;
|
|
} else {
|
|
// Previous iterations consumed the root element of the heap.
|
|
// Pop root element off of the heap (sift down).
|
|
heap[0] = heap[heapSize];
|
|
for (uint32_t parentIndex = 0; ;) {
|
|
uint32_t childIndex = parentIndex * 2 + 1;
|
|
if (childIndex >= heapSize) {
|
|
break;
|
|
}
|
|
|
|
if (childIndex + 1 < heapSize
|
|
&& heap[childIndex + 1].distance < heap[childIndex].distance) {
|
|
childIndex += 1;
|
|
}
|
|
|
|
if (heap[parentIndex].distance <= heap[childIndex].distance) {
|
|
break;
|
|
}
|
|
|
|
swap(heap[parentIndex], heap[childIndex]);
|
|
parentIndex = childIndex;
|
|
}
|
|
|
|
#if DEBUG_POINTER_ASSIGNMENT
|
|
ALOGD("assignPointerIds - reduced distance min-heap: size=%d", heapSize);
|
|
for (size_t i = 0; i < heapSize; i++) {
|
|
ALOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
|
|
i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
|
|
heap[i].distance);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
heapSize -= 1;
|
|
|
|
uint32_t currentPointerIndex = heap[0].currentPointerIndex;
|
|
if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
|
|
|
|
uint32_t lastPointerIndex = heap[0].lastPointerIndex;
|
|
if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
|
|
|
|
matchedCurrentBits.markBit(currentPointerIndex);
|
|
matchedLastBits.markBit(lastPointerIndex);
|
|
|
|
uint32_t id = mLastRawPointerData.pointers[lastPointerIndex].id;
|
|
mCurrentRawPointerData.pointers[currentPointerIndex].id = id;
|
|
mCurrentRawPointerData.idToIndex[id] = currentPointerIndex;
|
|
mCurrentRawPointerData.markIdBit(id,
|
|
mCurrentRawPointerData.isHovering(currentPointerIndex));
|
|
usedIdBits.markBit(id);
|
|
|
|
#if DEBUG_POINTER_ASSIGNMENT
|
|
ALOGD("assignPointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
|
|
lastPointerIndex, currentPointerIndex, id, heap[0].distance);
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Assign fresh ids to pointers that were not matched in the process.
|
|
for (uint32_t i = currentPointerCount - matchedCurrentBits.count(); i != 0; i--) {
|
|
uint32_t currentPointerIndex = matchedCurrentBits.markFirstUnmarkedBit();
|
|
uint32_t id = usedIdBits.markFirstUnmarkedBit();
|
|
|
|
mCurrentRawPointerData.pointers[currentPointerIndex].id = id;
|
|
mCurrentRawPointerData.idToIndex[id] = currentPointerIndex;
|
|
mCurrentRawPointerData.markIdBit(id,
|
|
mCurrentRawPointerData.isHovering(currentPointerIndex));
|
|
|
|
#if DEBUG_POINTER_ASSIGNMENT
|
|
ALOGD("assignPointerIds - assigned: cur=%d, id=%d",
|
|
currentPointerIndex, id);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
int32_t TouchInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
|
|
if (mCurrentVirtualKey.down && mCurrentVirtualKey.keyCode == keyCode) {
|
|
return AKEY_STATE_VIRTUAL;
|
|
}
|
|
|
|
size_t numVirtualKeys = mVirtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mVirtualKeys[i];
|
|
if (virtualKey.keyCode == keyCode) {
|
|
return AKEY_STATE_UP;
|
|
}
|
|
}
|
|
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
|
|
int32_t TouchInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
|
|
if (mCurrentVirtualKey.down && mCurrentVirtualKey.scanCode == scanCode) {
|
|
return AKEY_STATE_VIRTUAL;
|
|
}
|
|
|
|
size_t numVirtualKeys = mVirtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mVirtualKeys[i];
|
|
if (virtualKey.scanCode == scanCode) {
|
|
return AKEY_STATE_UP;
|
|
}
|
|
}
|
|
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
|
|
bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
|
|
const int32_t* keyCodes, uint8_t* outFlags) {
|
|
size_t numVirtualKeys = mVirtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mVirtualKeys[i];
|
|
|
|
for (size_t i = 0; i < numCodes; i++) {
|
|
if (virtualKey.keyCode == keyCodes[i]) {
|
|
outFlags[i] = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// --- SingleTouchInputMapper ---
|
|
|
|
SingleTouchInputMapper::SingleTouchInputMapper(InputDevice* device) :
|
|
TouchInputMapper(device) {
|
|
}
|
|
|
|
SingleTouchInputMapper::~SingleTouchInputMapper() {
|
|
}
|
|
|
|
void SingleTouchInputMapper::reset(nsecs_t when) {
|
|
mSingleTouchMotionAccumulator.reset(getDevice());
|
|
|
|
TouchInputMapper::reset(when);
|
|
}
|
|
|
|
void SingleTouchInputMapper::process(const RawEvent* rawEvent) {
|
|
TouchInputMapper::process(rawEvent);
|
|
|
|
mSingleTouchMotionAccumulator.process(rawEvent);
|
|
}
|
|
|
|
void SingleTouchInputMapper::syncTouch(nsecs_t when, bool* outHavePointerIds) {
|
|
if (mTouchButtonAccumulator.isToolActive()) {
|
|
mCurrentRawPointerData.pointerCount = 1;
|
|
mCurrentRawPointerData.idToIndex[0] = 0;
|
|
|
|
bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE
|
|
&& (mTouchButtonAccumulator.isHovering()
|
|
|| (mRawPointerAxes.pressure.valid
|
|
&& mSingleTouchMotionAccumulator.getAbsolutePressure() <= 0));
|
|
mCurrentRawPointerData.markIdBit(0, isHovering);
|
|
|
|
RawPointerData::Pointer& outPointer = mCurrentRawPointerData.pointers[0];
|
|
outPointer.id = 0;
|
|
outPointer.x = mSingleTouchMotionAccumulator.getAbsoluteX();
|
|
outPointer.y = mSingleTouchMotionAccumulator.getAbsoluteY();
|
|
outPointer.pressure = mSingleTouchMotionAccumulator.getAbsolutePressure();
|
|
outPointer.touchMajor = 0;
|
|
outPointer.touchMinor = 0;
|
|
outPointer.toolMajor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
|
|
outPointer.toolMinor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
|
|
outPointer.orientation = 0;
|
|
outPointer.distance = mSingleTouchMotionAccumulator.getAbsoluteDistance();
|
|
outPointer.tiltX = mSingleTouchMotionAccumulator.getAbsoluteTiltX();
|
|
outPointer.tiltY = mSingleTouchMotionAccumulator.getAbsoluteTiltY();
|
|
outPointer.toolType = mTouchButtonAccumulator.getToolType();
|
|
if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
|
|
outPointer.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
}
|
|
outPointer.isHovering = isHovering;
|
|
}
|
|
}
|
|
|
|
void SingleTouchInputMapper::configureRawPointerAxes() {
|
|
TouchInputMapper::configureRawPointerAxes();
|
|
|
|
getAbsoluteAxisInfo(ABS_X, &mRawPointerAxes.x);
|
|
getAbsoluteAxisInfo(ABS_Y, &mRawPointerAxes.y);
|
|
getAbsoluteAxisInfo(ABS_PRESSURE, &mRawPointerAxes.pressure);
|
|
getAbsoluteAxisInfo(ABS_TOOL_WIDTH, &mRawPointerAxes.toolMajor);
|
|
getAbsoluteAxisInfo(ABS_DISTANCE, &mRawPointerAxes.distance);
|
|
getAbsoluteAxisInfo(ABS_TILT_X, &mRawPointerAxes.tiltX);
|
|
getAbsoluteAxisInfo(ABS_TILT_Y, &mRawPointerAxes.tiltY);
|
|
}
|
|
|
|
bool SingleTouchInputMapper::hasStylus() const {
|
|
return mTouchButtonAccumulator.hasStylus();
|
|
}
|
|
|
|
|
|
// --- MultiTouchInputMapper ---
|
|
|
|
MultiTouchInputMapper::MultiTouchInputMapper(InputDevice* device) :
|
|
TouchInputMapper(device) {
|
|
}
|
|
|
|
MultiTouchInputMapper::~MultiTouchInputMapper() {
|
|
}
|
|
|
|
void MultiTouchInputMapper::reset(nsecs_t when) {
|
|
mMultiTouchMotionAccumulator.reset(getDevice());
|
|
|
|
mPointerIdBits.clear();
|
|
|
|
TouchInputMapper::reset(when);
|
|
}
|
|
|
|
void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
|
|
TouchInputMapper::process(rawEvent);
|
|
|
|
mMultiTouchMotionAccumulator.process(rawEvent);
|
|
}
|
|
|
|
void MultiTouchInputMapper::syncTouch(nsecs_t when, bool* outHavePointerIds) {
|
|
size_t inCount = mMultiTouchMotionAccumulator.getSlotCount();
|
|
size_t outCount = 0;
|
|
BitSet32 newPointerIdBits;
|
|
|
|
for (size_t inIndex = 0; inIndex < inCount; inIndex++) {
|
|
const MultiTouchMotionAccumulator::Slot* inSlot =
|
|
mMultiTouchMotionAccumulator.getSlot(inIndex);
|
|
if (!inSlot->isInUse()) {
|
|
continue;
|
|
}
|
|
|
|
if (outCount >= MAX_POINTERS) {
|
|
#if DEBUG_POINTERS
|
|
ALOGD("MultiTouch device %s emitted more than maximum of %d pointers; "
|
|
"ignoring the rest.",
|
|
getDeviceName().string(), MAX_POINTERS);
|
|
#endif
|
|
break; // too many fingers!
|
|
}
|
|
|
|
RawPointerData::Pointer& outPointer = mCurrentRawPointerData.pointers[outCount];
|
|
outPointer.x = inSlot->getX();
|
|
outPointer.y = inSlot->getY();
|
|
outPointer.pressure = inSlot->getPressure();
|
|
outPointer.touchMajor = inSlot->getTouchMajor();
|
|
outPointer.touchMinor = inSlot->getTouchMinor();
|
|
outPointer.toolMajor = inSlot->getToolMajor();
|
|
outPointer.toolMinor = inSlot->getToolMinor();
|
|
outPointer.orientation = inSlot->getOrientation();
|
|
outPointer.distance = inSlot->getDistance();
|
|
outPointer.tiltX = 0;
|
|
outPointer.tiltY = 0;
|
|
|
|
outPointer.toolType = inSlot->getToolType();
|
|
if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
|
|
outPointer.toolType = mTouchButtonAccumulator.getToolType();
|
|
if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
|
|
outPointer.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
|
|
}
|
|
}
|
|
|
|
bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE
|
|
&& (mTouchButtonAccumulator.isHovering()
|
|
|| (mRawPointerAxes.pressure.valid && inSlot->getPressure() <= 0));
|
|
outPointer.isHovering = isHovering;
|
|
|
|
// Assign pointer id using tracking id if available.
|
|
if (*outHavePointerIds) {
|
|
int32_t trackingId = inSlot->getTrackingId();
|
|
int32_t id = -1;
|
|
if (trackingId >= 0) {
|
|
for (BitSet32 idBits(mPointerIdBits); !idBits.isEmpty(); ) {
|
|
uint32_t n = idBits.clearFirstMarkedBit();
|
|
if (mPointerTrackingIdMap[n] == trackingId) {
|
|
id = n;
|
|
}
|
|
}
|
|
|
|
if (id < 0 && !mPointerIdBits.isFull()) {
|
|
id = mPointerIdBits.markFirstUnmarkedBit();
|
|
mPointerTrackingIdMap[id] = trackingId;
|
|
}
|
|
}
|
|
if (id < 0) {
|
|
*outHavePointerIds = false;
|
|
mCurrentRawPointerData.clearIdBits();
|
|
newPointerIdBits.clear();
|
|
} else {
|
|
outPointer.id = id;
|
|
mCurrentRawPointerData.idToIndex[id] = outCount;
|
|
mCurrentRawPointerData.markIdBit(id, isHovering);
|
|
newPointerIdBits.markBit(id);
|
|
}
|
|
}
|
|
|
|
outCount += 1;
|
|
}
|
|
|
|
mCurrentRawPointerData.pointerCount = outCount;
|
|
mPointerIdBits = newPointerIdBits;
|
|
|
|
mMultiTouchMotionAccumulator.finishSync();
|
|
}
|
|
|
|
void MultiTouchInputMapper::configureRawPointerAxes() {
|
|
TouchInputMapper::configureRawPointerAxes();
|
|
|
|
getAbsoluteAxisInfo(ABS_MT_POSITION_X, &mRawPointerAxes.x);
|
|
getAbsoluteAxisInfo(ABS_MT_POSITION_Y, &mRawPointerAxes.y);
|
|
getAbsoluteAxisInfo(ABS_MT_TOUCH_MAJOR, &mRawPointerAxes.touchMajor);
|
|
getAbsoluteAxisInfo(ABS_MT_TOUCH_MINOR, &mRawPointerAxes.touchMinor);
|
|
getAbsoluteAxisInfo(ABS_MT_WIDTH_MAJOR, &mRawPointerAxes.toolMajor);
|
|
getAbsoluteAxisInfo(ABS_MT_WIDTH_MINOR, &mRawPointerAxes.toolMinor);
|
|
getAbsoluteAxisInfo(ABS_MT_ORIENTATION, &mRawPointerAxes.orientation);
|
|
getAbsoluteAxisInfo(ABS_MT_PRESSURE, &mRawPointerAxes.pressure);
|
|
getAbsoluteAxisInfo(ABS_MT_DISTANCE, &mRawPointerAxes.distance);
|
|
getAbsoluteAxisInfo(ABS_MT_TRACKING_ID, &mRawPointerAxes.trackingId);
|
|
getAbsoluteAxisInfo(ABS_MT_SLOT, &mRawPointerAxes.slot);
|
|
|
|
if (mRawPointerAxes.trackingId.valid
|
|
&& mRawPointerAxes.slot.valid
|
|
&& mRawPointerAxes.slot.minValue == 0 && mRawPointerAxes.slot.maxValue > 0) {
|
|
size_t slotCount = mRawPointerAxes.slot.maxValue + 1;
|
|
if (slotCount > MAX_SLOTS) {
|
|
ALOGW("MultiTouch Device %s reported %zu slots but the framework "
|
|
"only supports a maximum of %zu slots at this time.",
|
|
getDeviceName().string(), slotCount, MAX_SLOTS);
|
|
slotCount = MAX_SLOTS;
|
|
}
|
|
mMultiTouchMotionAccumulator.configure(getDevice(),
|
|
slotCount, true /*usingSlotsProtocol*/);
|
|
} else {
|
|
mMultiTouchMotionAccumulator.configure(getDevice(),
|
|
MAX_POINTERS, false /*usingSlotsProtocol*/);
|
|
}
|
|
}
|
|
|
|
bool MultiTouchInputMapper::hasStylus() const {
|
|
return mMultiTouchMotionAccumulator.hasStylus()
|
|
|| mTouchButtonAccumulator.hasStylus();
|
|
}
|
|
|
|
|
|
// --- JoystickInputMapper ---
|
|
|
|
JoystickInputMapper::JoystickInputMapper(InputDevice* device) :
|
|
InputMapper(device) {
|
|
}
|
|
|
|
JoystickInputMapper::~JoystickInputMapper() {
|
|
}
|
|
|
|
uint32_t JoystickInputMapper::getSources() {
|
|
return AINPUT_SOURCE_JOYSTICK;
|
|
}
|
|
|
|
void JoystickInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
for (size_t i = 0; i < mAxes.size(); i++) {
|
|
const Axis& axis = mAxes.valueAt(i);
|
|
addMotionRange(axis.axisInfo.axis, axis, info);
|
|
|
|
if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
|
|
addMotionRange(axis.axisInfo.highAxis, axis, info);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void JoystickInputMapper::addMotionRange(int32_t axisId, const Axis& axis,
|
|
InputDeviceInfo* info) {
|
|
info->addMotionRange(axisId, AINPUT_SOURCE_JOYSTICK,
|
|
axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
|
|
/* In order to ease the transition for developers from using the old axes
|
|
* to the newer, more semantically correct axes, we'll continue to register
|
|
* the old axes as duplicates of their corresponding new ones. */
|
|
int32_t compatAxis = getCompatAxis(axisId);
|
|
if (compatAxis >= 0) {
|
|
info->addMotionRange(compatAxis, AINPUT_SOURCE_JOYSTICK,
|
|
axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
|
|
}
|
|
}
|
|
|
|
/* A mapping from axes the joystick actually has to the axes that should be
|
|
* artificially created for compatibility purposes.
|
|
* Returns -1 if no compatibility axis is needed. */
|
|
int32_t JoystickInputMapper::getCompatAxis(int32_t axis) {
|
|
switch(axis) {
|
|
case AMOTION_EVENT_AXIS_LTRIGGER:
|
|
return AMOTION_EVENT_AXIS_BRAKE;
|
|
case AMOTION_EVENT_AXIS_RTRIGGER:
|
|
return AMOTION_EVENT_AXIS_GAS;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void JoystickInputMapper::dump(String8& dump) {
|
|
dump.append(INDENT2 "Joystick Input Mapper:\n");
|
|
|
|
dump.append(INDENT3 "Axes:\n");
|
|
size_t numAxes = mAxes.size();
|
|
for (size_t i = 0; i < numAxes; i++) {
|
|
const Axis& axis = mAxes.valueAt(i);
|
|
const char* label = getAxisLabel(axis.axisInfo.axis);
|
|
if (label) {
|
|
dump.appendFormat(INDENT4 "%s", label);
|
|
} else {
|
|
dump.appendFormat(INDENT4 "%d", axis.axisInfo.axis);
|
|
}
|
|
if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
|
|
label = getAxisLabel(axis.axisInfo.highAxis);
|
|
if (label) {
|
|
dump.appendFormat(" / %s (split at %d)", label, axis.axisInfo.splitValue);
|
|
} else {
|
|
dump.appendFormat(" / %d (split at %d)", axis.axisInfo.highAxis,
|
|
axis.axisInfo.splitValue);
|
|
}
|
|
} else if (axis.axisInfo.mode == AxisInfo::MODE_INVERT) {
|
|
dump.append(" (invert)");
|
|
}
|
|
|
|
dump.appendFormat(": min=%0.5f, max=%0.5f, flat=%0.5f, fuzz=%0.5f, resolution=%0.5f\n",
|
|
axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
|
|
dump.appendFormat(INDENT4 " scale=%0.5f, offset=%0.5f, "
|
|
"highScale=%0.5f, highOffset=%0.5f\n",
|
|
axis.scale, axis.offset, axis.highScale, axis.highOffset);
|
|
dump.appendFormat(INDENT4 " rawAxis=%d, rawMin=%d, rawMax=%d, "
|
|
"rawFlat=%d, rawFuzz=%d, rawResolution=%d\n",
|
|
mAxes.keyAt(i), axis.rawAxisInfo.minValue, axis.rawAxisInfo.maxValue,
|
|
axis.rawAxisInfo.flat, axis.rawAxisInfo.fuzz, axis.rawAxisInfo.resolution);
|
|
}
|
|
}
|
|
|
|
void JoystickInputMapper::configure(nsecs_t when,
|
|
const InputReaderConfiguration* config, uint32_t changes) {
|
|
InputMapper::configure(when, config, changes);
|
|
|
|
if (!changes) { // first time only
|
|
// Collect all axes.
|
|
for (int32_t abs = 0; abs <= ABS_MAX; abs++) {
|
|
if (!(getAbsAxisUsage(abs, getDevice()->getClasses())
|
|
& INPUT_DEVICE_CLASS_JOYSTICK)) {
|
|
continue; // axis must be claimed by a different device
|
|
}
|
|
|
|
RawAbsoluteAxisInfo rawAxisInfo;
|
|
getAbsoluteAxisInfo(abs, &rawAxisInfo);
|
|
if (rawAxisInfo.valid) {
|
|
// Map axis.
|
|
AxisInfo axisInfo;
|
|
bool explicitlyMapped = !getEventHub()->mapAxis(getDeviceId(), abs, &axisInfo);
|
|
if (!explicitlyMapped) {
|
|
// Axis is not explicitly mapped, will choose a generic axis later.
|
|
axisInfo.mode = AxisInfo::MODE_NORMAL;
|
|
axisInfo.axis = -1;
|
|
}
|
|
|
|
// Apply flat override.
|
|
int32_t rawFlat = axisInfo.flatOverride < 0
|
|
? rawAxisInfo.flat : axisInfo.flatOverride;
|
|
|
|
// Calculate scaling factors and limits.
|
|
Axis axis;
|
|
if (axisInfo.mode == AxisInfo::MODE_SPLIT) {
|
|
float scale = 1.0f / (axisInfo.splitValue - rawAxisInfo.minValue);
|
|
float highScale = 1.0f / (rawAxisInfo.maxValue - axisInfo.splitValue);
|
|
axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
|
|
scale, 0.0f, highScale, 0.0f,
|
|
0.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
|
|
rawAxisInfo.resolution * scale);
|
|
} else if (isCenteredAxis(axisInfo.axis)) {
|
|
float scale = 2.0f / (rawAxisInfo.maxValue - rawAxisInfo.minValue);
|
|
float offset = avg(rawAxisInfo.minValue, rawAxisInfo.maxValue) * -scale;
|
|
axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
|
|
scale, offset, scale, offset,
|
|
-1.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
|
|
rawAxisInfo.resolution * scale);
|
|
} else {
|
|
float scale = 1.0f / (rawAxisInfo.maxValue - rawAxisInfo.minValue);
|
|
axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
|
|
scale, 0.0f, scale, 0.0f,
|
|
0.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
|
|
rawAxisInfo.resolution * scale);
|
|
}
|
|
|
|
// To eliminate noise while the joystick is at rest, filter out small variations
|
|
// in axis values up front.
|
|
axis.filter = axis.fuzz ? axis.fuzz : axis.flat * 0.25f;
|
|
|
|
mAxes.add(abs, axis);
|
|
}
|
|
}
|
|
|
|
// If there are too many axes, start dropping them.
|
|
// Prefer to keep explicitly mapped axes.
|
|
if (mAxes.size() > PointerCoords::MAX_AXES) {
|
|
ALOGI("Joystick '%s' has %zu axes but the framework only supports a maximum of %d.",
|
|
getDeviceName().string(), mAxes.size(), PointerCoords::MAX_AXES);
|
|
pruneAxes(true);
|
|
pruneAxes(false);
|
|
}
|
|
|
|
// Assign generic axis ids to remaining axes.
|
|
int32_t nextGenericAxisId = AMOTION_EVENT_AXIS_GENERIC_1;
|
|
size_t numAxes = mAxes.size();
|
|
for (size_t i = 0; i < numAxes; i++) {
|
|
Axis& axis = mAxes.editValueAt(i);
|
|
if (axis.axisInfo.axis < 0) {
|
|
while (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16
|
|
&& haveAxis(nextGenericAxisId)) {
|
|
nextGenericAxisId += 1;
|
|
}
|
|
|
|
if (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16) {
|
|
axis.axisInfo.axis = nextGenericAxisId;
|
|
nextGenericAxisId += 1;
|
|
} else {
|
|
ALOGI("Ignoring joystick '%s' axis %d because all of the generic axis ids "
|
|
"have already been assigned to other axes.",
|
|
getDeviceName().string(), mAxes.keyAt(i));
|
|
mAxes.removeItemsAt(i--);
|
|
numAxes -= 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool JoystickInputMapper::haveAxis(int32_t axisId) {
|
|
size_t numAxes = mAxes.size();
|
|
for (size_t i = 0; i < numAxes; i++) {
|
|
const Axis& axis = mAxes.valueAt(i);
|
|
if (axis.axisInfo.axis == axisId
|
|
|| (axis.axisInfo.mode == AxisInfo::MODE_SPLIT
|
|
&& axis.axisInfo.highAxis == axisId)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void JoystickInputMapper::pruneAxes(bool ignoreExplicitlyMappedAxes) {
|
|
size_t i = mAxes.size();
|
|
while (mAxes.size() > PointerCoords::MAX_AXES && i-- > 0) {
|
|
if (ignoreExplicitlyMappedAxes && mAxes.valueAt(i).explicitlyMapped) {
|
|
continue;
|
|
}
|
|
ALOGI("Discarding joystick '%s' axis %d because there are too many axes.",
|
|
getDeviceName().string(), mAxes.keyAt(i));
|
|
mAxes.removeItemsAt(i);
|
|
}
|
|
}
|
|
|
|
bool JoystickInputMapper::isCenteredAxis(int32_t axis) {
|
|
switch (axis) {
|
|
case AMOTION_EVENT_AXIS_X:
|
|
case AMOTION_EVENT_AXIS_Y:
|
|
case AMOTION_EVENT_AXIS_Z:
|
|
case AMOTION_EVENT_AXIS_RX:
|
|
case AMOTION_EVENT_AXIS_RY:
|
|
case AMOTION_EVENT_AXIS_RZ:
|
|
case AMOTION_EVENT_AXIS_HAT_X:
|
|
case AMOTION_EVENT_AXIS_HAT_Y:
|
|
case AMOTION_EVENT_AXIS_ORIENTATION:
|
|
case AMOTION_EVENT_AXIS_RUDDER:
|
|
case AMOTION_EVENT_AXIS_WHEEL:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void JoystickInputMapper::reset(nsecs_t when) {
|
|
// Recenter all axes.
|
|
size_t numAxes = mAxes.size();
|
|
for (size_t i = 0; i < numAxes; i++) {
|
|
Axis& axis = mAxes.editValueAt(i);
|
|
axis.resetValue();
|
|
}
|
|
|
|
InputMapper::reset(when);
|
|
}
|
|
|
|
void JoystickInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_ABS: {
|
|
ssize_t index = mAxes.indexOfKey(rawEvent->code);
|
|
if (index >= 0) {
|
|
Axis& axis = mAxes.editValueAt(index);
|
|
float newValue, highNewValue;
|
|
switch (axis.axisInfo.mode) {
|
|
case AxisInfo::MODE_INVERT:
|
|
newValue = (axis.rawAxisInfo.maxValue - rawEvent->value)
|
|
* axis.scale + axis.offset;
|
|
highNewValue = 0.0f;
|
|
break;
|
|
case AxisInfo::MODE_SPLIT:
|
|
if (rawEvent->value < axis.axisInfo.splitValue) {
|
|
newValue = (axis.axisInfo.splitValue - rawEvent->value)
|
|
* axis.scale + axis.offset;
|
|
highNewValue = 0.0f;
|
|
} else if (rawEvent->value > axis.axisInfo.splitValue) {
|
|
newValue = 0.0f;
|
|
highNewValue = (rawEvent->value - axis.axisInfo.splitValue)
|
|
* axis.highScale + axis.highOffset;
|
|
} else {
|
|
newValue = 0.0f;
|
|
highNewValue = 0.0f;
|
|
}
|
|
break;
|
|
default:
|
|
newValue = rawEvent->value * axis.scale + axis.offset;
|
|
highNewValue = 0.0f;
|
|
break;
|
|
}
|
|
axis.newValue = newValue;
|
|
axis.highNewValue = highNewValue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case EV_SYN:
|
|
switch (rawEvent->code) {
|
|
case SYN_REPORT:
|
|
sync(rawEvent->when, false /*force*/);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void JoystickInputMapper::sync(nsecs_t when, bool force) {
|
|
if (!filterAxes(force)) {
|
|
return;
|
|
}
|
|
|
|
int32_t metaState = mContext->getGlobalMetaState();
|
|
int32_t buttonState = 0;
|
|
|
|
PointerProperties pointerProperties;
|
|
pointerProperties.clear();
|
|
pointerProperties.id = 0;
|
|
pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
|
|
|
|
PointerCoords pointerCoords;
|
|
pointerCoords.clear();
|
|
|
|
size_t numAxes = mAxes.size();
|
|
for (size_t i = 0; i < numAxes; i++) {
|
|
const Axis& axis = mAxes.valueAt(i);
|
|
setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.axis, axis.currentValue);
|
|
if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
|
|
setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.highAxis,
|
|
axis.highCurrentValue);
|
|
}
|
|
}
|
|
|
|
// Moving a joystick axis should not wake the device because joysticks can
|
|
// be fairly noisy even when not in use. On the other hand, pushing a gamepad
|
|
// button will likely wake the device.
|
|
// TODO: Use the input device configuration to control this behavior more finely.
|
|
uint32_t policyFlags = 0;
|
|
|
|
NotifyMotionArgs args(when, getDeviceId(), AINPUT_SOURCE_JOYSTICK, policyFlags,
|
|
AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
ADISPLAY_ID_NONE, 1, &pointerProperties, &pointerCoords, 0, 0, 0);
|
|
getListener()->notifyMotion(&args);
|
|
}
|
|
|
|
void JoystickInputMapper::setPointerCoordsAxisValue(PointerCoords* pointerCoords,
|
|
int32_t axis, float value) {
|
|
pointerCoords->setAxisValue(axis, value);
|
|
/* In order to ease the transition for developers from using the old axes
|
|
* to the newer, more semantically correct axes, we'll continue to produce
|
|
* values for the old axes as mirrors of the value of their corresponding
|
|
* new axes. */
|
|
int32_t compatAxis = getCompatAxis(axis);
|
|
if (compatAxis >= 0) {
|
|
pointerCoords->setAxisValue(compatAxis, value);
|
|
}
|
|
}
|
|
|
|
bool JoystickInputMapper::filterAxes(bool force) {
|
|
bool atLeastOneSignificantChange = force;
|
|
size_t numAxes = mAxes.size();
|
|
for (size_t i = 0; i < numAxes; i++) {
|
|
Axis& axis = mAxes.editValueAt(i);
|
|
if (force || hasValueChangedSignificantly(axis.filter,
|
|
axis.newValue, axis.currentValue, axis.min, axis.max)) {
|
|
axis.currentValue = axis.newValue;
|
|
atLeastOneSignificantChange = true;
|
|
}
|
|
if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
|
|
if (force || hasValueChangedSignificantly(axis.filter,
|
|
axis.highNewValue, axis.highCurrentValue, axis.min, axis.max)) {
|
|
axis.highCurrentValue = axis.highNewValue;
|
|
atLeastOneSignificantChange = true;
|
|
}
|
|
}
|
|
}
|
|
return atLeastOneSignificantChange;
|
|
}
|
|
|
|
bool JoystickInputMapper::hasValueChangedSignificantly(
|
|
float filter, float newValue, float currentValue, float min, float max) {
|
|
if (newValue != currentValue) {
|
|
// Filter out small changes in value unless the value is converging on the axis
|
|
// bounds or center point. This is intended to reduce the amount of information
|
|
// sent to applications by particularly noisy joysticks (such as PS3).
|
|
if (fabs(newValue - currentValue) > filter
|
|
|| hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, min)
|
|
|| hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, max)
|
|
|| hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, 0)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool JoystickInputMapper::hasMovedNearerToValueWithinFilteredRange(
|
|
float filter, float newValue, float currentValue, float thresholdValue) {
|
|
float newDistance = fabs(newValue - thresholdValue);
|
|
if (newDistance < filter) {
|
|
float oldDistance = fabs(currentValue - thresholdValue);
|
|
if (newDistance < oldDistance) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace android
|