3479 lines
123 KiB
C++
3479 lines
123 KiB
C++
//
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// Copyright 2010 The Android Open Source Project
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//
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// The input reader.
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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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#include <cutils/log.h>
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#include <ui/InputReader.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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namespace android {
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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 pythag(float x, float y) {
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return sqrtf(x * x + y * y);
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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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int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
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int32_t mask;
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switch (keyCode) {
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case AKEYCODE_ALT_LEFT:
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mask = AMETA_ALT_LEFT_ON;
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break;
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case AKEYCODE_ALT_RIGHT:
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mask = AMETA_ALT_RIGHT_ON;
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break;
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case AKEYCODE_SHIFT_LEFT:
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mask = AMETA_SHIFT_LEFT_ON;
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break;
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case AKEYCODE_SHIFT_RIGHT:
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mask = AMETA_SHIFT_RIGHT_ON;
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break;
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case AKEYCODE_SYM:
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mask = AMETA_SYM_ON;
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break;
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default:
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return oldMetaState;
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}
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int32_t newMetaState = down ? oldMetaState | mask : oldMetaState & ~ mask
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& ~ (AMETA_ALT_ON | AMETA_SHIFT_ON);
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if (newMetaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
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newMetaState |= AMETA_ALT_ON;
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}
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if (newMetaState & (AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON)) {
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newMetaState |= AMETA_SHIFT_ON;
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}
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return newMetaState;
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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 int keyCodeRotationMapSize =
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sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
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int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
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if (orientation != InputReaderPolicyInterface::ROTATION_0) {
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for (int i = 0; i < keyCodeRotationMapSize; i++) {
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if (keyCode == keyCodeRotationMap[i][0]) {
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return keyCodeRotationMap[i][orientation];
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}
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}
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}
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return keyCode;
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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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// --- InputDeviceCalibration ---
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InputDeviceCalibration::InputDeviceCalibration() {
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}
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void InputDeviceCalibration::clear() {
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mProperties.clear();
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}
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void InputDeviceCalibration::addProperty(const String8& key, const String8& value) {
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mProperties.add(key, value);
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}
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bool InputDeviceCalibration::tryGetProperty(const String8& key, String8& outValue) const {
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ssize_t index = mProperties.indexOfKey(key);
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if (index < 0) {
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return false;
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}
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outValue = mProperties.valueAt(index);
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return true;
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}
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bool InputDeviceCalibration::tryGetProperty(const String8& key, int32_t& outValue) const {
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String8 stringValue;
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if (! tryGetProperty(key, stringValue) || stringValue.length() == 0) {
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return false;
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}
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char* end;
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int value = strtol(stringValue.string(), & end, 10);
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if (*end != '\0') {
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LOGW("Input device calibration key '%s' has invalid value '%s'. Expected an integer.",
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key.string(), stringValue.string());
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return false;
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}
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outValue = value;
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return true;
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}
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bool InputDeviceCalibration::tryGetProperty(const String8& key, float& outValue) const {
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String8 stringValue;
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if (! tryGetProperty(key, stringValue) || stringValue.length() == 0) {
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return false;
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}
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char* end;
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float value = strtof(stringValue.string(), & end);
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if (*end != '\0') {
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LOGW("Input device calibration key '%s' has invalid value '%s'. Expected a float.",
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key.string(), stringValue.string());
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return false;
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}
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outValue = value;
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return true;
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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<InputDispatcherInterface>& dispatcher) :
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mEventHub(eventHub), mPolicy(policy), mDispatcher(dispatcher),
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mGlobalMetaState(0) {
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configureExcludedDevices();
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updateGlobalMetaState();
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updateInputConfiguration();
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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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RawEvent rawEvent;
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mEventHub->getEvent(& rawEvent);
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#if DEBUG_RAW_EVENTS
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LOGD("Input event: device=0x%x type=0x%x scancode=%d keycode=%d value=%d",
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rawEvent.deviceId, rawEvent.type, rawEvent.scanCode, rawEvent.keyCode,
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rawEvent.value);
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#endif
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process(& rawEvent);
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}
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void InputReader::process(const RawEvent* rawEvent) {
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switch (rawEvent->type) {
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case EventHubInterface::DEVICE_ADDED:
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addDevice(rawEvent->deviceId);
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break;
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case EventHubInterface::DEVICE_REMOVED:
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removeDevice(rawEvent->deviceId);
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break;
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case EventHubInterface::FINISHED_DEVICE_SCAN:
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handleConfigurationChanged(rawEvent->when);
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break;
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default:
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consumeEvent(rawEvent);
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break;
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}
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}
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void InputReader::addDevice(int32_t deviceId) {
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String8 name = mEventHub->getDeviceName(deviceId);
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uint32_t classes = mEventHub->getDeviceClasses(deviceId);
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InputDevice* device = createDevice(deviceId, name, classes);
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device->configure();
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if (device->isIgnored()) {
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LOGI("Device added: id=0x%x, name=%s (ignored non-input device)", deviceId, name.string());
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} else {
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LOGI("Device added: id=0x%x, name=%s, sources=%08x", deviceId, name.string(),
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device->getSources());
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}
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bool added = false;
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{ // acquire device registry writer lock
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RWLock::AutoWLock _wl(mDeviceRegistryLock);
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex < 0) {
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mDevices.add(deviceId, device);
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added = true;
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}
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} // release device registry writer lock
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if (! added) {
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LOGW("Ignoring spurious device added event for deviceId %d.", deviceId);
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delete device;
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return;
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}
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}
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void InputReader::removeDevice(int32_t deviceId) {
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bool removed = false;
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InputDevice* device = NULL;
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{ // acquire device registry writer lock
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RWLock::AutoWLock _wl(mDeviceRegistryLock);
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex >= 0) {
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device = mDevices.valueAt(deviceIndex);
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mDevices.removeItemsAt(deviceIndex, 1);
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removed = true;
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}
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} // release device registry writer lock
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if (! removed) {
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LOGW("Ignoring spurious device removed event for deviceId %d.", deviceId);
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return;
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}
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if (device->isIgnored()) {
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LOGI("Device removed: id=0x%x, name=%s (ignored non-input device)",
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device->getId(), device->getName().string());
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} else {
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LOGI("Device removed: id=0x%x, name=%s, sources=%08x",
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device->getId(), device->getName().string(), device->getSources());
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}
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device->reset();
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delete device;
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}
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InputDevice* InputReader::createDevice(int32_t deviceId, const String8& name, uint32_t classes) {
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InputDevice* device = new InputDevice(this, deviceId, name);
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const int32_t associatedDisplayId = 0; // FIXME: hardcoded for current single-display devices
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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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// Keyboard-like devices.
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uint32_t keyboardSources = 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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keyboardSources |= 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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keyboardSources |= AINPUT_SOURCE_DPAD;
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}
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if (keyboardSources != 0) {
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device->addMapper(new KeyboardInputMapper(device,
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associatedDisplayId, keyboardSources, keyboardType));
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}
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// Trackball-like devices.
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if (classes & INPUT_DEVICE_CLASS_TRACKBALL) {
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device->addMapper(new TrackballInputMapper(device, associatedDisplayId));
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}
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// Touchscreen-like devices.
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if (classes & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT) {
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device->addMapper(new MultiTouchInputMapper(device, associatedDisplayId));
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} else if (classes & INPUT_DEVICE_CLASS_TOUCHSCREEN) {
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device->addMapper(new SingleTouchInputMapper(device, associatedDisplayId));
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}
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return device;
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}
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void InputReader::consumeEvent(const RawEvent* rawEvent) {
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int32_t deviceId = rawEvent->deviceId;
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{ // acquire device registry reader lock
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RWLock::AutoRLock _rl(mDeviceRegistryLock);
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex < 0) {
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LOGW("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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//LOGD("Discarding event for ignored deviceId %d.", deviceId);
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return;
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}
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device->process(rawEvent);
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} // release device registry reader lock
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}
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void InputReader::handleConfigurationChanged(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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updateGlobalMetaState();
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// Update input configuration.
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updateInputConfiguration();
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// Enqueue configuration changed.
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mDispatcher->notifyConfigurationChanged(when);
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}
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void InputReader::configureExcludedDevices() {
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Vector<String8> excludedDeviceNames;
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mPolicy->getExcludedDeviceNames(excludedDeviceNames);
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for (size_t i = 0; i < excludedDeviceNames.size(); i++) {
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mEventHub->addExcludedDevice(excludedDeviceNames[i]);
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}
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}
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void InputReader::updateGlobalMetaState() {
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{ // acquire state lock
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AutoMutex _l(mStateLock);
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mGlobalMetaState = 0;
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{ // acquire device registry reader lock
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RWLock::AutoRLock _rl(mDeviceRegistryLock);
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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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mGlobalMetaState |= device->getMetaState();
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}
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} // release device registry reader lock
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} // release state lock
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}
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int32_t InputReader::getGlobalMetaState() {
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{ // acquire state lock
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AutoMutex _l(mStateLock);
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return mGlobalMetaState;
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} // release state lock
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}
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void InputReader::updateInputConfiguration() {
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{ // acquire state lock
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AutoMutex _l(mStateLock);
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int32_t touchScreenConfig = InputConfiguration::TOUCHSCREEN_NOTOUCH;
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int32_t keyboardConfig = InputConfiguration::KEYBOARD_NOKEYS;
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int32_t navigationConfig = InputConfiguration::NAVIGATION_NONAV;
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{ // acquire device registry reader lock
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RWLock::AutoRLock _rl(mDeviceRegistryLock);
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InputDeviceInfo deviceInfo;
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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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device->getDeviceInfo(& deviceInfo);
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uint32_t sources = deviceInfo.getSources();
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if ((sources & AINPUT_SOURCE_TOUCHSCREEN) == AINPUT_SOURCE_TOUCHSCREEN) {
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touchScreenConfig = InputConfiguration::TOUCHSCREEN_FINGER;
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}
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if ((sources & AINPUT_SOURCE_TRACKBALL) == AINPUT_SOURCE_TRACKBALL) {
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navigationConfig = InputConfiguration::NAVIGATION_TRACKBALL;
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} else if ((sources & AINPUT_SOURCE_DPAD) == AINPUT_SOURCE_DPAD) {
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navigationConfig = InputConfiguration::NAVIGATION_DPAD;
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}
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if (deviceInfo.getKeyboardType() == AINPUT_KEYBOARD_TYPE_ALPHABETIC) {
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keyboardConfig = InputConfiguration::KEYBOARD_QWERTY;
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}
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}
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} // release device registry reader lock
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mInputConfiguration.touchScreen = touchScreenConfig;
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mInputConfiguration.keyboard = keyboardConfig;
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mInputConfiguration.navigation = navigationConfig;
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} // release state lock
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}
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void InputReader::getInputConfiguration(InputConfiguration* outConfiguration) {
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{ // acquire state lock
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AutoMutex _l(mStateLock);
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*outConfiguration = mInputConfiguration;
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} // release state lock
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}
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status_t InputReader::getInputDeviceInfo(int32_t deviceId, InputDeviceInfo* outDeviceInfo) {
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{ // acquire device registry reader lock
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RWLock::AutoRLock _rl(mDeviceRegistryLock);
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex < 0) {
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return NAME_NOT_FOUND;
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}
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InputDevice* device = mDevices.valueAt(deviceIndex);
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if (device->isIgnored()) {
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return NAME_NOT_FOUND;
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}
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device->getDeviceInfo(outDeviceInfo);
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return OK;
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} // release device registy reader lock
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}
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void InputReader::getInputDeviceIds(Vector<int32_t>& outDeviceIds) {
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outDeviceIds.clear();
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{ // acquire device registry reader lock
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RWLock::AutoRLock _rl(mDeviceRegistryLock);
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size_t numDevices = mDevices.size();
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for (size_t i = 0; i < numDevices; i++) {
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InputDevice* device = mDevices.valueAt(i);
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if (! device->isIgnored()) {
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outDeviceIds.add(device->getId());
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}
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}
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} // release device registy reader lock
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}
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int32_t InputReader::getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
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int32_t keyCode) {
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return getState(deviceId, sourceMask, keyCode, & InputDevice::getKeyCodeState);
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}
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int32_t InputReader::getScanCodeState(int32_t deviceId, uint32_t sourceMask,
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int32_t scanCode) {
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return getState(deviceId, sourceMask, scanCode, & InputDevice::getScanCodeState);
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}
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int32_t InputReader::getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t switchCode) {
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return getState(deviceId, sourceMask, switchCode, & InputDevice::getSwitchState);
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}
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int32_t InputReader::getState(int32_t deviceId, uint32_t sourceMask, int32_t code,
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GetStateFunc getStateFunc) {
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{ // acquire device registry reader lock
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RWLock::AutoRLock _rl(mDeviceRegistryLock);
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int32_t result = AKEY_STATE_UNKNOWN;
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if (deviceId >= 0) {
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ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
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if (deviceIndex >= 0) {
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InputDevice* device = mDevices.valueAt(deviceIndex);
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if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
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result = (device->*getStateFunc)(sourceMask, code);
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}
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}
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} else {
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size_t numDevices = mDevices.size();
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for (size_t i = 0; i < numDevices; i++) {
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InputDevice* device = mDevices.valueAt(i);
|
|
if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
|
|
result = (device->*getStateFunc)(sourceMask, code);
|
|
if (result >= AKEY_STATE_DOWN) {
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
} // release device registy reader lock
|
|
}
|
|
|
|
bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
|
|
size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
|
|
memset(outFlags, 0, numCodes);
|
|
return markSupportedKeyCodes(deviceId, sourceMask, numCodes, keyCodes, outFlags);
|
|
}
|
|
|
|
bool InputReader::markSupportedKeyCodes(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
|
|
const int32_t* keyCodes, uint8_t* outFlags) {
|
|
{ // acquire device registry reader lock
|
|
RWLock::AutoRLock _rl(mDeviceRegistryLock);
|
|
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;
|
|
} // release device registy reader lock
|
|
}
|
|
|
|
void InputReader::dump(String8& dump) {
|
|
mEventHub->dump(dump);
|
|
dump.append("\n");
|
|
|
|
dump.append("Input Reader State:\n");
|
|
|
|
{ // acquire device registry reader lock
|
|
RWLock::AutoRLock _rl(mDeviceRegistryLock);
|
|
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
mDevices.valueAt(i)->dump(dump);
|
|
}
|
|
} // release device registy reader lock
|
|
}
|
|
|
|
|
|
// --- 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, const String8& name) :
|
|
mContext(context), mId(id), mName(name), mSources(0) {
|
|
}
|
|
|
|
InputDevice::~InputDevice() {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
delete mMappers[i];
|
|
}
|
|
mMappers.clear();
|
|
}
|
|
|
|
static void dumpMotionRange(String8& dump, const InputDeviceInfo& deviceInfo,
|
|
int32_t rangeType, const char* name) {
|
|
const InputDeviceInfo::MotionRange* range = deviceInfo.getMotionRange(rangeType);
|
|
if (range) {
|
|
dump.appendFormat(INDENT3 "%s: min=%0.3f, max=%0.3f, flat=%0.3f, fuzz=%0.3f\n",
|
|
name, range->min, range->max, range->flat, range->fuzz);
|
|
}
|
|
}
|
|
|
|
void InputDevice::dump(String8& dump) {
|
|
InputDeviceInfo deviceInfo;
|
|
getDeviceInfo(& deviceInfo);
|
|
|
|
dump.appendFormat(INDENT "Device 0x%x: %s\n", deviceInfo.getId(),
|
|
deviceInfo.getName().string());
|
|
dump.appendFormat(INDENT2 "Sources: 0x%08x\n", deviceInfo.getSources());
|
|
dump.appendFormat(INDENT2 "KeyboardType: %d\n", deviceInfo.getKeyboardType());
|
|
if (!deviceInfo.getMotionRanges().isEmpty()) {
|
|
dump.append(INDENT2 "Motion Ranges:\n");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_X, "X");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_Y, "Y");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_PRESSURE, "Pressure");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_SIZE, "Size");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOUCH_MAJOR, "TouchMajor");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOUCH_MINOR, "TouchMinor");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOOL_MAJOR, "ToolMajor");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_TOOL_MINOR, "ToolMinor");
|
|
dumpMotionRange(dump, deviceInfo, AINPUT_MOTION_RANGE_ORIENTATION, "Orientation");
|
|
}
|
|
|
|
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() {
|
|
if (! isIgnored()) {
|
|
mContext->getPolicy()->getInputDeviceCalibration(mName, mCalibration);
|
|
}
|
|
|
|
mSources = 0;
|
|
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->configure();
|
|
mSources |= mapper->getSources();
|
|
}
|
|
}
|
|
|
|
void InputDevice::reset() {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->reset();
|
|
}
|
|
}
|
|
|
|
void InputDevice::process(const RawEvent* rawEvent) {
|
|
size_t numMappers = mMappers.size();
|
|
for (size_t i = 0; i < numMappers; i++) {
|
|
InputMapper* mapper = mMappers[i];
|
|
mapper->process(rawEvent);
|
|
}
|
|
}
|
|
|
|
void InputDevice::getDeviceInfo(InputDeviceInfo* outDeviceInfo) {
|
|
outDeviceInfo->initialize(mId, mName);
|
|
|
|
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)) {
|
|
result = (mapper->*getStateFunc)(sourceMask, code);
|
|
if (result >= AKEY_STATE_DOWN) {
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
// --- 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() {
|
|
}
|
|
|
|
void InputMapper::reset() {
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
int32_t InputMapper::getMetaState() {
|
|
return 0;
|
|
}
|
|
|
|
|
|
// --- SwitchInputMapper ---
|
|
|
|
SwitchInputMapper::SwitchInputMapper(InputDevice* device) :
|
|
InputMapper(device) {
|
|
}
|
|
|
|
SwitchInputMapper::~SwitchInputMapper() {
|
|
}
|
|
|
|
uint32_t SwitchInputMapper::getSources() {
|
|
return 0;
|
|
}
|
|
|
|
void SwitchInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_SW:
|
|
processSwitch(rawEvent->when, rawEvent->scanCode, rawEvent->value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SwitchInputMapper::processSwitch(nsecs_t when, int32_t switchCode, int32_t switchValue) {
|
|
getDispatcher()->notifySwitch(when, switchCode, switchValue, 0);
|
|
}
|
|
|
|
int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
|
|
return getEventHub()->getSwitchState(getDeviceId(), switchCode);
|
|
}
|
|
|
|
|
|
// --- KeyboardInputMapper ---
|
|
|
|
KeyboardInputMapper::KeyboardInputMapper(InputDevice* device, int32_t associatedDisplayId,
|
|
uint32_t sources, int32_t keyboardType) :
|
|
InputMapper(device), mAssociatedDisplayId(associatedDisplayId), mSources(sources),
|
|
mKeyboardType(keyboardType) {
|
|
initializeLocked();
|
|
}
|
|
|
|
KeyboardInputMapper::~KeyboardInputMapper() {
|
|
}
|
|
|
|
void KeyboardInputMapper::initializeLocked() {
|
|
mLocked.metaState = AMETA_NONE;
|
|
mLocked.downTime = 0;
|
|
}
|
|
|
|
uint32_t KeyboardInputMapper::getSources() {
|
|
return mSources;
|
|
}
|
|
|
|
void KeyboardInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
info->setKeyboardType(mKeyboardType);
|
|
}
|
|
|
|
void KeyboardInputMapper::dump(String8& dump) {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
dump.append(INDENT2 "Keyboard Input Mapper:\n");
|
|
dump.appendFormat(INDENT3 "AssociatedDisplayId: %d\n", mAssociatedDisplayId);
|
|
dump.appendFormat(INDENT3 "KeyboardType: %d\n", mKeyboardType);
|
|
dump.appendFormat(INDENT3 "KeyDowns: %d keys currently down\n", mLocked.keyDowns.size());
|
|
dump.appendFormat(INDENT3 "MetaState: 0x%0x\n", mLocked.metaState);
|
|
dump.appendFormat(INDENT3 "DownTime: %lld\n", mLocked.downTime);
|
|
} // release lock
|
|
}
|
|
|
|
void KeyboardInputMapper::reset() {
|
|
for (;;) {
|
|
int32_t keyCode, scanCode;
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
// Synthesize key up event on reset if keys are currently down.
|
|
if (mLocked.keyDowns.isEmpty()) {
|
|
initializeLocked();
|
|
break; // done
|
|
}
|
|
|
|
const KeyDown& keyDown = mLocked.keyDowns.top();
|
|
keyCode = keyDown.keyCode;
|
|
scanCode = keyDown.scanCode;
|
|
} // release lock
|
|
|
|
nsecs_t when = systemTime(SYSTEM_TIME_MONOTONIC);
|
|
processKey(when, false, keyCode, scanCode, 0);
|
|
}
|
|
|
|
InputMapper::reset();
|
|
getContext()->updateGlobalMetaState();
|
|
}
|
|
|
|
void KeyboardInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_KEY: {
|
|
int32_t scanCode = rawEvent->scanCode;
|
|
if (isKeyboardOrGamepadKey(scanCode)) {
|
|
processKey(rawEvent->when, rawEvent->value != 0, rawEvent->keyCode, scanCode,
|
|
rawEvent->flags);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
|
|
return scanCode < BTN_MOUSE
|
|
|| scanCode >= KEY_OK
|
|
|| (scanCode >= BTN_GAMEPAD && scanCode < BTN_DIGI);
|
|
}
|
|
|
|
void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
|
|
int32_t scanCode, uint32_t policyFlags) {
|
|
int32_t newMetaState;
|
|
nsecs_t downTime;
|
|
bool metaStateChanged = false;
|
|
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
if (down) {
|
|
// Rotate key codes according to orientation if needed.
|
|
// Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
|
|
if (mAssociatedDisplayId >= 0) {
|
|
int32_t orientation;
|
|
if (! getPolicy()->getDisplayInfo(mAssociatedDisplayId, NULL, NULL, & orientation)) {
|
|
return;
|
|
}
|
|
|
|
keyCode = rotateKeyCode(keyCode, orientation);
|
|
}
|
|
|
|
// Add key down.
|
|
ssize_t keyDownIndex = findKeyDownLocked(scanCode);
|
|
if (keyDownIndex >= 0) {
|
|
// key repeat, be sure to use same keycode as before in case of rotation
|
|
keyCode = mLocked.keyDowns.itemAt(keyDownIndex).keyCode;
|
|
} else {
|
|
// key down
|
|
mLocked.keyDowns.push();
|
|
KeyDown& keyDown = mLocked.keyDowns.editTop();
|
|
keyDown.keyCode = keyCode;
|
|
keyDown.scanCode = scanCode;
|
|
}
|
|
|
|
mLocked.downTime = when;
|
|
} else {
|
|
// Remove key down.
|
|
ssize_t keyDownIndex = findKeyDownLocked(scanCode);
|
|
if (keyDownIndex >= 0) {
|
|
// key up, be sure to use same keycode as before in case of rotation
|
|
keyCode = mLocked.keyDowns.itemAt(keyDownIndex).keyCode;
|
|
mLocked.keyDowns.removeAt(size_t(keyDownIndex));
|
|
} else {
|
|
// key was not actually down
|
|
LOGI("Dropping key up from device %s because the key was not down. "
|
|
"keyCode=%d, scanCode=%d",
|
|
getDeviceName().string(), keyCode, scanCode);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int32_t oldMetaState = mLocked.metaState;
|
|
newMetaState = updateMetaState(keyCode, down, oldMetaState);
|
|
if (oldMetaState != newMetaState) {
|
|
mLocked.metaState = newMetaState;
|
|
metaStateChanged = true;
|
|
}
|
|
|
|
downTime = mLocked.downTime;
|
|
} // release lock
|
|
|
|
if (metaStateChanged) {
|
|
getContext()->updateGlobalMetaState();
|
|
}
|
|
|
|
getDispatcher()->notifyKey(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
|
|
down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
|
|
}
|
|
|
|
ssize_t KeyboardInputMapper::findKeyDownLocked(int32_t scanCode) {
|
|
size_t n = mLocked.keyDowns.size();
|
|
for (size_t i = 0; i < n; i++) {
|
|
if (mLocked.keyDowns[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() {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
return mLocked.metaState;
|
|
} // release lock
|
|
}
|
|
|
|
|
|
// --- TrackballInputMapper ---
|
|
|
|
TrackballInputMapper::TrackballInputMapper(InputDevice* device, int32_t associatedDisplayId) :
|
|
InputMapper(device), mAssociatedDisplayId(associatedDisplayId) {
|
|
mXPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
|
|
mYPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
|
|
mXScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
|
|
mYScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
|
|
|
|
initializeLocked();
|
|
}
|
|
|
|
TrackballInputMapper::~TrackballInputMapper() {
|
|
}
|
|
|
|
uint32_t TrackballInputMapper::getSources() {
|
|
return AINPUT_SOURCE_TRACKBALL;
|
|
}
|
|
|
|
void TrackballInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_X, -1.0f, 1.0f, 0.0f, mXScale);
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_Y, -1.0f, 1.0f, 0.0f, mYScale);
|
|
}
|
|
|
|
void TrackballInputMapper::dump(String8& dump) {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
dump.append(INDENT2 "Trackball Input Mapper:\n");
|
|
dump.appendFormat(INDENT3 "AssociatedDisplayId: %d\n", mAssociatedDisplayId);
|
|
dump.appendFormat(INDENT3 "XPrecision: %0.3f\n", mXPrecision);
|
|
dump.appendFormat(INDENT3 "YPrecision: %0.3f\n", mYPrecision);
|
|
dump.appendFormat(INDENT3 "Down: %s\n", toString(mLocked.down));
|
|
dump.appendFormat(INDENT3 "DownTime: %lld\n", mLocked.downTime);
|
|
} // release lock
|
|
}
|
|
|
|
void TrackballInputMapper::initializeLocked() {
|
|
mAccumulator.clear();
|
|
|
|
mLocked.down = false;
|
|
mLocked.downTime = 0;
|
|
}
|
|
|
|
void TrackballInputMapper::reset() {
|
|
for (;;) {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
if (! mLocked.down) {
|
|
initializeLocked();
|
|
break; // done
|
|
}
|
|
} // release lock
|
|
|
|
// Synthesize trackball button up event on reset.
|
|
nsecs_t when = systemTime(SYSTEM_TIME_MONOTONIC);
|
|
mAccumulator.fields = Accumulator::FIELD_BTN_MOUSE;
|
|
mAccumulator.btnMouse = false;
|
|
sync(when);
|
|
}
|
|
|
|
InputMapper::reset();
|
|
}
|
|
|
|
void TrackballInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_KEY:
|
|
switch (rawEvent->scanCode) {
|
|
case BTN_MOUSE:
|
|
mAccumulator.fields |= Accumulator::FIELD_BTN_MOUSE;
|
|
mAccumulator.btnMouse = rawEvent->value != 0;
|
|
// Sync now since BTN_MOUSE is not necessarily followed by SYN_REPORT and
|
|
// we need to ensure that we report the up/down promptly.
|
|
sync(rawEvent->when);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case EV_REL:
|
|
switch (rawEvent->scanCode) {
|
|
case REL_X:
|
|
mAccumulator.fields |= Accumulator::FIELD_REL_X;
|
|
mAccumulator.relX = rawEvent->value;
|
|
break;
|
|
case REL_Y:
|
|
mAccumulator.fields |= Accumulator::FIELD_REL_Y;
|
|
mAccumulator.relY = rawEvent->value;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case EV_SYN:
|
|
switch (rawEvent->scanCode) {
|
|
case SYN_REPORT:
|
|
sync(rawEvent->when);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void TrackballInputMapper::sync(nsecs_t when) {
|
|
uint32_t fields = mAccumulator.fields;
|
|
if (fields == 0) {
|
|
return; // no new state changes, so nothing to do
|
|
}
|
|
|
|
int motionEventAction;
|
|
PointerCoords pointerCoords;
|
|
nsecs_t downTime;
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
bool downChanged = fields & Accumulator::FIELD_BTN_MOUSE;
|
|
|
|
if (downChanged) {
|
|
if (mAccumulator.btnMouse) {
|
|
mLocked.down = true;
|
|
mLocked.downTime = when;
|
|
} else {
|
|
mLocked.down = false;
|
|
}
|
|
}
|
|
|
|
downTime = mLocked.downTime;
|
|
float x = fields & Accumulator::FIELD_REL_X ? mAccumulator.relX * mXScale : 0.0f;
|
|
float y = fields & Accumulator::FIELD_REL_Y ? mAccumulator.relY * mYScale : 0.0f;
|
|
|
|
if (downChanged) {
|
|
motionEventAction = mLocked.down ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
|
|
} else {
|
|
motionEventAction = AMOTION_EVENT_ACTION_MOVE;
|
|
}
|
|
|
|
pointerCoords.x = x;
|
|
pointerCoords.y = y;
|
|
pointerCoords.pressure = mLocked.down ? 1.0f : 0.0f;
|
|
pointerCoords.size = 0;
|
|
pointerCoords.touchMajor = 0;
|
|
pointerCoords.touchMinor = 0;
|
|
pointerCoords.toolMajor = 0;
|
|
pointerCoords.toolMinor = 0;
|
|
pointerCoords.orientation = 0;
|
|
|
|
if (mAssociatedDisplayId >= 0 && (x != 0.0f || y != 0.0f)) {
|
|
// Rotate motion based on display orientation if needed.
|
|
// Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
|
|
int32_t orientation;
|
|
if (! getPolicy()->getDisplayInfo(mAssociatedDisplayId, NULL, NULL, & orientation)) {
|
|
return;
|
|
}
|
|
|
|
float temp;
|
|
switch (orientation) {
|
|
case InputReaderPolicyInterface::ROTATION_90:
|
|
temp = pointerCoords.x;
|
|
pointerCoords.x = pointerCoords.y;
|
|
pointerCoords.y = - temp;
|
|
break;
|
|
|
|
case InputReaderPolicyInterface::ROTATION_180:
|
|
pointerCoords.x = - pointerCoords.x;
|
|
pointerCoords.y = - pointerCoords.y;
|
|
break;
|
|
|
|
case InputReaderPolicyInterface::ROTATION_270:
|
|
temp = pointerCoords.x;
|
|
pointerCoords.x = - pointerCoords.y;
|
|
pointerCoords.y = temp;
|
|
break;
|
|
}
|
|
}
|
|
} // release lock
|
|
|
|
int32_t metaState = mContext->getGlobalMetaState();
|
|
int32_t pointerId = 0;
|
|
getDispatcher()->notifyMotion(when, getDeviceId(), AINPUT_SOURCE_TRACKBALL, 0,
|
|
motionEventAction, 0, metaState, AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
1, &pointerId, &pointerCoords, mXPrecision, mYPrecision, downTime);
|
|
|
|
mAccumulator.clear();
|
|
}
|
|
|
|
int32_t TrackballInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
|
|
if (scanCode >= BTN_MOUSE && scanCode < BTN_JOYSTICK) {
|
|
return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
|
|
} else {
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
|
|
// --- TouchInputMapper ---
|
|
|
|
TouchInputMapper::TouchInputMapper(InputDevice* device, int32_t associatedDisplayId) :
|
|
InputMapper(device), mAssociatedDisplayId(associatedDisplayId) {
|
|
mLocked.surfaceOrientation = -1;
|
|
mLocked.surfaceWidth = -1;
|
|
mLocked.surfaceHeight = -1;
|
|
|
|
initializeLocked();
|
|
}
|
|
|
|
TouchInputMapper::~TouchInputMapper() {
|
|
}
|
|
|
|
uint32_t TouchInputMapper::getSources() {
|
|
return mAssociatedDisplayId >= 0 ? AINPUT_SOURCE_TOUCHSCREEN : AINPUT_SOURCE_TOUCHPAD;
|
|
}
|
|
|
|
void TouchInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
|
|
InputMapper::populateDeviceInfo(info);
|
|
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
// Ensure surface information is up to date so that orientation changes are
|
|
// noticed immediately.
|
|
configureSurfaceLocked();
|
|
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_X, mLocked.orientedRanges.x);
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_Y, mLocked.orientedRanges.y);
|
|
|
|
if (mLocked.orientedRanges.havePressure) {
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_PRESSURE,
|
|
mLocked.orientedRanges.pressure);
|
|
}
|
|
|
|
if (mLocked.orientedRanges.haveSize) {
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_SIZE,
|
|
mLocked.orientedRanges.size);
|
|
}
|
|
|
|
if (mLocked.orientedRanges.haveTouchSize) {
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_TOUCH_MAJOR,
|
|
mLocked.orientedRanges.touchMajor);
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_TOUCH_MINOR,
|
|
mLocked.orientedRanges.touchMinor);
|
|
}
|
|
|
|
if (mLocked.orientedRanges.haveToolSize) {
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_TOOL_MAJOR,
|
|
mLocked.orientedRanges.toolMajor);
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_TOOL_MINOR,
|
|
mLocked.orientedRanges.toolMinor);
|
|
}
|
|
|
|
if (mLocked.orientedRanges.haveOrientation) {
|
|
info->addMotionRange(AINPUT_MOTION_RANGE_ORIENTATION,
|
|
mLocked.orientedRanges.orientation);
|
|
}
|
|
} // release lock
|
|
}
|
|
|
|
void TouchInputMapper::dump(String8& dump) {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
dump.append(INDENT2 "Touch Input Mapper:\n");
|
|
dump.appendFormat(INDENT3 "AssociatedDisplayId: %d\n", mAssociatedDisplayId);
|
|
dumpParameters(dump);
|
|
dumpVirtualKeysLocked(dump);
|
|
dumpRawAxes(dump);
|
|
dumpCalibration(dump);
|
|
dumpSurfaceLocked(dump);
|
|
dump.appendFormat(INDENT3 "Translation and Scaling Factors:");
|
|
dump.appendFormat(INDENT4 "XOrigin: %d\n", mLocked.xOrigin);
|
|
dump.appendFormat(INDENT4 "YOrigin: %d\n", mLocked.yOrigin);
|
|
dump.appendFormat(INDENT4 "XScale: %0.3f\n", mLocked.xScale);
|
|
dump.appendFormat(INDENT4 "YScale: %0.3f\n", mLocked.yScale);
|
|
dump.appendFormat(INDENT4 "XPrecision: %0.3f\n", mLocked.xPrecision);
|
|
dump.appendFormat(INDENT4 "YPrecision: %0.3f\n", mLocked.yPrecision);
|
|
dump.appendFormat(INDENT4 "GeometricScale: %0.3f\n", mLocked.geometricScale);
|
|
dump.appendFormat(INDENT4 "ToolSizeLinearScale: %0.3f\n", mLocked.toolSizeLinearScale);
|
|
dump.appendFormat(INDENT4 "ToolSizeLinearBias: %0.3f\n", mLocked.toolSizeLinearBias);
|
|
dump.appendFormat(INDENT4 "ToolSizeAreaScale: %0.3f\n", mLocked.toolSizeAreaScale);
|
|
dump.appendFormat(INDENT4 "ToolSizeAreaBias: %0.3f\n", mLocked.toolSizeAreaBias);
|
|
dump.appendFormat(INDENT4 "PressureScale: %0.3f\n", mLocked.pressureScale);
|
|
dump.appendFormat(INDENT4 "SizeScale: %0.3f\n", mLocked.sizeScale);
|
|
dump.appendFormat(INDENT4 "OrientationSCale: %0.3f\n", mLocked.orientationScale);
|
|
} // release lock
|
|
}
|
|
|
|
void TouchInputMapper::initializeLocked() {
|
|
mCurrentTouch.clear();
|
|
mLastTouch.clear();
|
|
mDownTime = 0;
|
|
|
|
for (uint32_t i = 0; i < MAX_POINTERS; i++) {
|
|
mAveragingTouchFilter.historyStart[i] = 0;
|
|
mAveragingTouchFilter.historyEnd[i] = 0;
|
|
}
|
|
|
|
mJumpyTouchFilter.jumpyPointsDropped = 0;
|
|
|
|
mLocked.currentVirtualKey.down = false;
|
|
|
|
mLocked.orientedRanges.havePressure = false;
|
|
mLocked.orientedRanges.haveSize = false;
|
|
mLocked.orientedRanges.haveTouchSize = false;
|
|
mLocked.orientedRanges.haveToolSize = false;
|
|
mLocked.orientedRanges.haveOrientation = false;
|
|
}
|
|
|
|
void TouchInputMapper::configure() {
|
|
InputMapper::configure();
|
|
|
|
// Configure basic parameters.
|
|
configureParameters();
|
|
|
|
// Configure absolute axis information.
|
|
configureRawAxes();
|
|
|
|
// Prepare input device calibration.
|
|
parseCalibration();
|
|
resolveCalibration();
|
|
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
// Configure surface dimensions and orientation.
|
|
configureSurfaceLocked();
|
|
} // release lock
|
|
}
|
|
|
|
void TouchInputMapper::configureParameters() {
|
|
mParameters.useBadTouchFilter = getPolicy()->filterTouchEvents();
|
|
mParameters.useAveragingTouchFilter = getPolicy()->filterTouchEvents();
|
|
mParameters.useJumpyTouchFilter = getPolicy()->filterJumpyTouchEvents();
|
|
}
|
|
|
|
void TouchInputMapper::dumpParameters(String8& dump) {
|
|
dump.appendFormat(INDENT3 "UseBadTouchFilter: %s\n",
|
|
toString(mParameters.useBadTouchFilter));
|
|
dump.appendFormat(INDENT3 "UseAveragingTouchFilter: %s\n",
|
|
toString(mParameters.useAveragingTouchFilter));
|
|
dump.appendFormat(INDENT3 "UseJumpyTouchFilter: %s\n",
|
|
toString(mParameters.useJumpyTouchFilter));
|
|
}
|
|
|
|
void TouchInputMapper::configureRawAxes() {
|
|
mRawAxes.x.clear();
|
|
mRawAxes.y.clear();
|
|
mRawAxes.pressure.clear();
|
|
mRawAxes.touchMajor.clear();
|
|
mRawAxes.touchMinor.clear();
|
|
mRawAxes.toolMajor.clear();
|
|
mRawAxes.toolMinor.clear();
|
|
mRawAxes.orientation.clear();
|
|
}
|
|
|
|
static void dumpAxisInfo(String8& dump, RawAbsoluteAxisInfo axis, const char* name) {
|
|
if (axis.valid) {
|
|
dump.appendFormat(INDENT4 "%s: min=%d, max=%d, flat=%d, fuzz=%d\n",
|
|
name, axis.minValue, axis.maxValue, axis.flat, axis.fuzz);
|
|
} else {
|
|
dump.appendFormat(INDENT4 "%s: unknown range\n", name);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dumpRawAxes(String8& dump) {
|
|
dump.append(INDENT3 "Raw Axes:\n");
|
|
dumpAxisInfo(dump, mRawAxes.x, "X");
|
|
dumpAxisInfo(dump, mRawAxes.y, "Y");
|
|
dumpAxisInfo(dump, mRawAxes.pressure, "Pressure");
|
|
dumpAxisInfo(dump, mRawAxes.touchMajor, "TouchMajor");
|
|
dumpAxisInfo(dump, mRawAxes.touchMinor, "TouchMinor");
|
|
dumpAxisInfo(dump, mRawAxes.toolMajor, "ToolMajor");
|
|
dumpAxisInfo(dump, mRawAxes.toolMinor, "ToolMinor");
|
|
dumpAxisInfo(dump, mRawAxes.orientation, "Orientation");
|
|
}
|
|
|
|
bool TouchInputMapper::configureSurfaceLocked() {
|
|
// Update orientation and dimensions if needed.
|
|
int32_t orientation;
|
|
int32_t width, height;
|
|
if (mAssociatedDisplayId >= 0) {
|
|
// Note: getDisplayInfo is non-reentrant so we can continue holding the lock.
|
|
if (! getPolicy()->getDisplayInfo(mAssociatedDisplayId, & width, & height, & orientation)) {
|
|
return false;
|
|
}
|
|
} else {
|
|
orientation = InputReaderPolicyInterface::ROTATION_0;
|
|
width = mRawAxes.x.getRange();
|
|
height = mRawAxes.y.getRange();
|
|
}
|
|
|
|
bool orientationChanged = mLocked.surfaceOrientation != orientation;
|
|
if (orientationChanged) {
|
|
mLocked.surfaceOrientation = orientation;
|
|
}
|
|
|
|
bool sizeChanged = mLocked.surfaceWidth != width || mLocked.surfaceHeight != height;
|
|
if (sizeChanged) {
|
|
LOGI("Device reconfigured: id=0x%x, name=%s, display size is now %dx%d",
|
|
getDeviceId(), getDeviceName().string(), width, height);
|
|
|
|
mLocked.surfaceWidth = width;
|
|
mLocked.surfaceHeight = height;
|
|
|
|
// Configure X and Y factors.
|
|
if (mRawAxes.x.valid && mRawAxes.y.valid) {
|
|
mLocked.xOrigin = mRawAxes.x.minValue;
|
|
mLocked.yOrigin = mRawAxes.y.minValue;
|
|
mLocked.xScale = float(width) / mRawAxes.x.getRange();
|
|
mLocked.yScale = float(height) / mRawAxes.y.getRange();
|
|
mLocked.xPrecision = 1.0f / mLocked.xScale;
|
|
mLocked.yPrecision = 1.0f / mLocked.yScale;
|
|
|
|
configureVirtualKeysLocked();
|
|
} else {
|
|
LOGW(INDENT "Touch device did not report support for X or Y axis!");
|
|
mLocked.xOrigin = 0;
|
|
mLocked.yOrigin = 0;
|
|
mLocked.xScale = 1.0f;
|
|
mLocked.yScale = 1.0f;
|
|
mLocked.xPrecision = 1.0f;
|
|
mLocked.yPrecision = 1.0f;
|
|
}
|
|
|
|
// 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.
|
|
mLocked.geometricScale = avg(mLocked.xScale, mLocked.yScale);
|
|
|
|
// Size of diagonal axis.
|
|
float diagonalSize = pythag(width, height);
|
|
|
|
// TouchMajor and TouchMinor factors.
|
|
if (mCalibration.touchSizeCalibration != Calibration::TOUCH_SIZE_CALIBRATION_NONE) {
|
|
mLocked.orientedRanges.haveTouchSize = true;
|
|
mLocked.orientedRanges.touchMajor.min = 0;
|
|
mLocked.orientedRanges.touchMajor.max = diagonalSize;
|
|
mLocked.orientedRanges.touchMajor.flat = 0;
|
|
mLocked.orientedRanges.touchMajor.fuzz = 0;
|
|
mLocked.orientedRanges.touchMinor = mLocked.orientedRanges.touchMajor;
|
|
}
|
|
|
|
// ToolMajor and ToolMinor factors.
|
|
mLocked.toolSizeLinearScale = 0;
|
|
mLocked.toolSizeLinearBias = 0;
|
|
mLocked.toolSizeAreaScale = 0;
|
|
mLocked.toolSizeAreaBias = 0;
|
|
if (mCalibration.toolSizeCalibration != Calibration::TOOL_SIZE_CALIBRATION_NONE) {
|
|
if (mCalibration.toolSizeCalibration == Calibration::TOOL_SIZE_CALIBRATION_LINEAR) {
|
|
if (mCalibration.haveToolSizeLinearScale) {
|
|
mLocked.toolSizeLinearScale = mCalibration.toolSizeLinearScale;
|
|
} else if (mRawAxes.toolMajor.valid && mRawAxes.toolMajor.maxValue != 0) {
|
|
mLocked.toolSizeLinearScale = float(min(width, height))
|
|
/ mRawAxes.toolMajor.maxValue;
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeLinearBias) {
|
|
mLocked.toolSizeLinearBias = mCalibration.toolSizeLinearBias;
|
|
}
|
|
} else if (mCalibration.toolSizeCalibration ==
|
|
Calibration::TOOL_SIZE_CALIBRATION_AREA) {
|
|
if (mCalibration.haveToolSizeLinearScale) {
|
|
mLocked.toolSizeLinearScale = mCalibration.toolSizeLinearScale;
|
|
} else {
|
|
mLocked.toolSizeLinearScale = min(width, height);
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeLinearBias) {
|
|
mLocked.toolSizeLinearBias = mCalibration.toolSizeLinearBias;
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeAreaScale) {
|
|
mLocked.toolSizeAreaScale = mCalibration.toolSizeAreaScale;
|
|
} else if (mRawAxes.toolMajor.valid && mRawAxes.toolMajor.maxValue != 0) {
|
|
mLocked.toolSizeAreaScale = 1.0f / mRawAxes.toolMajor.maxValue;
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeAreaBias) {
|
|
mLocked.toolSizeAreaBias = mCalibration.toolSizeAreaBias;
|
|
}
|
|
}
|
|
|
|
mLocked.orientedRanges.haveToolSize = true;
|
|
mLocked.orientedRanges.toolMajor.min = 0;
|
|
mLocked.orientedRanges.toolMajor.max = diagonalSize;
|
|
mLocked.orientedRanges.toolMajor.flat = 0;
|
|
mLocked.orientedRanges.toolMajor.fuzz = 0;
|
|
mLocked.orientedRanges.toolMinor = mLocked.orientedRanges.toolMajor;
|
|
}
|
|
|
|
// Pressure factors.
|
|
mLocked.pressureScale = 0;
|
|
if (mCalibration.pressureCalibration != Calibration::PRESSURE_CALIBRATION_NONE) {
|
|
RawAbsoluteAxisInfo rawPressureAxis;
|
|
switch (mCalibration.pressureSource) {
|
|
case Calibration::PRESSURE_SOURCE_PRESSURE:
|
|
rawPressureAxis = mRawAxes.pressure;
|
|
break;
|
|
case Calibration::PRESSURE_SOURCE_TOUCH:
|
|
rawPressureAxis = mRawAxes.touchMajor;
|
|
break;
|
|
default:
|
|
rawPressureAxis.clear();
|
|
}
|
|
|
|
if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_PHYSICAL
|
|
|| mCalibration.pressureCalibration
|
|
== Calibration::PRESSURE_CALIBRATION_AMPLITUDE) {
|
|
if (mCalibration.havePressureScale) {
|
|
mLocked.pressureScale = mCalibration.pressureScale;
|
|
} else if (rawPressureAxis.valid && rawPressureAxis.maxValue != 0) {
|
|
mLocked.pressureScale = 1.0f / rawPressureAxis.maxValue;
|
|
}
|
|
}
|
|
|
|
mLocked.orientedRanges.havePressure = true;
|
|
mLocked.orientedRanges.pressure.min = 0;
|
|
mLocked.orientedRanges.pressure.max = 1.0;
|
|
mLocked.orientedRanges.pressure.flat = 0;
|
|
mLocked.orientedRanges.pressure.fuzz = 0;
|
|
}
|
|
|
|
// Size factors.
|
|
mLocked.sizeScale = 0;
|
|
if (mCalibration.sizeCalibration != Calibration::SIZE_CALIBRATION_NONE) {
|
|
if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_NORMALIZED) {
|
|
if (mRawAxes.toolMajor.valid && mRawAxes.toolMajor.maxValue != 0) {
|
|
mLocked.sizeScale = 1.0f / mRawAxes.toolMajor.maxValue;
|
|
}
|
|
}
|
|
|
|
mLocked.orientedRanges.haveSize = true;
|
|
mLocked.orientedRanges.size.min = 0;
|
|
mLocked.orientedRanges.size.max = 1.0;
|
|
mLocked.orientedRanges.size.flat = 0;
|
|
mLocked.orientedRanges.size.fuzz = 0;
|
|
}
|
|
|
|
// Orientation
|
|
mLocked.orientationScale = 0;
|
|
if (mCalibration.orientationCalibration != Calibration::ORIENTATION_CALIBRATION_NONE) {
|
|
if (mCalibration.orientationCalibration
|
|
== Calibration::ORIENTATION_CALIBRATION_INTERPOLATED) {
|
|
if (mRawAxes.orientation.valid && mRawAxes.orientation.maxValue != 0) {
|
|
mLocked.orientationScale = float(M_PI_2) / mRawAxes.orientation.maxValue;
|
|
}
|
|
}
|
|
|
|
mLocked.orientedRanges.orientation.min = - M_PI_2;
|
|
mLocked.orientedRanges.orientation.max = M_PI_2;
|
|
mLocked.orientedRanges.orientation.flat = 0;
|
|
mLocked.orientedRanges.orientation.fuzz = 0;
|
|
}
|
|
}
|
|
|
|
if (orientationChanged || sizeChanged) {
|
|
// Compute oriented surface dimensions, precision, and scales.
|
|
float orientedXScale, orientedYScale;
|
|
switch (mLocked.surfaceOrientation) {
|
|
case InputReaderPolicyInterface::ROTATION_90:
|
|
case InputReaderPolicyInterface::ROTATION_270:
|
|
mLocked.orientedSurfaceWidth = mLocked.surfaceHeight;
|
|
mLocked.orientedSurfaceHeight = mLocked.surfaceWidth;
|
|
mLocked.orientedXPrecision = mLocked.yPrecision;
|
|
mLocked.orientedYPrecision = mLocked.xPrecision;
|
|
orientedXScale = mLocked.yScale;
|
|
orientedYScale = mLocked.xScale;
|
|
break;
|
|
default:
|
|
mLocked.orientedSurfaceWidth = mLocked.surfaceWidth;
|
|
mLocked.orientedSurfaceHeight = mLocked.surfaceHeight;
|
|
mLocked.orientedXPrecision = mLocked.xPrecision;
|
|
mLocked.orientedYPrecision = mLocked.yPrecision;
|
|
orientedXScale = mLocked.xScale;
|
|
orientedYScale = mLocked.yScale;
|
|
break;
|
|
}
|
|
|
|
// Configure position ranges.
|
|
mLocked.orientedRanges.x.min = 0;
|
|
mLocked.orientedRanges.x.max = mLocked.orientedSurfaceWidth;
|
|
mLocked.orientedRanges.x.flat = 0;
|
|
mLocked.orientedRanges.x.fuzz = orientedXScale;
|
|
|
|
mLocked.orientedRanges.y.min = 0;
|
|
mLocked.orientedRanges.y.max = mLocked.orientedSurfaceHeight;
|
|
mLocked.orientedRanges.y.flat = 0;
|
|
mLocked.orientedRanges.y.fuzz = orientedYScale;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void TouchInputMapper::dumpSurfaceLocked(String8& dump) {
|
|
dump.appendFormat(INDENT3 "SurfaceWidth: %dpx\n", mLocked.surfaceWidth);
|
|
dump.appendFormat(INDENT3 "SurfaceHeight: %dpx\n", mLocked.surfaceHeight);
|
|
dump.appendFormat(INDENT3 "SurfaceOrientation: %d\n", mLocked.surfaceOrientation);
|
|
}
|
|
|
|
void TouchInputMapper::configureVirtualKeysLocked() {
|
|
assert(mRawAxes.x.valid && mRawAxes.y.valid);
|
|
|
|
// Note: getVirtualKeyDefinitions is non-reentrant so we can continue holding the lock.
|
|
Vector<VirtualKeyDefinition> virtualKeyDefinitions;
|
|
getPolicy()->getVirtualKeyDefinitions(getDeviceName(), virtualKeyDefinitions);
|
|
|
|
mLocked.virtualKeys.clear();
|
|
|
|
if (virtualKeyDefinitions.size() == 0) {
|
|
return;
|
|
}
|
|
|
|
mLocked.virtualKeys.setCapacity(virtualKeyDefinitions.size());
|
|
|
|
int32_t touchScreenLeft = mRawAxes.x.minValue;
|
|
int32_t touchScreenTop = mRawAxes.y.minValue;
|
|
int32_t touchScreenWidth = mRawAxes.x.getRange();
|
|
int32_t touchScreenHeight = mRawAxes.y.getRange();
|
|
|
|
for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
|
|
const VirtualKeyDefinition& virtualKeyDefinition =
|
|
virtualKeyDefinitions[i];
|
|
|
|
mLocked.virtualKeys.add();
|
|
VirtualKey& virtualKey = mLocked.virtualKeys.editTop();
|
|
|
|
virtualKey.scanCode = virtualKeyDefinition.scanCode;
|
|
int32_t keyCode;
|
|
uint32_t flags;
|
|
if (getEventHub()->scancodeToKeycode(getDeviceId(), virtualKey.scanCode,
|
|
& keyCode, & flags)) {
|
|
LOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring",
|
|
virtualKey.scanCode);
|
|
mLocked.virtualKeys.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 / mLocked.surfaceWidth + touchScreenLeft;
|
|
virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
|
|
* touchScreenWidth / mLocked.surfaceWidth + touchScreenLeft;
|
|
virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
|
|
* touchScreenHeight / mLocked.surfaceHeight + touchScreenTop;
|
|
virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
|
|
* touchScreenHeight / mLocked.surfaceHeight + touchScreenTop;
|
|
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dumpVirtualKeysLocked(String8& dump) {
|
|
if (!mLocked.virtualKeys.isEmpty()) {
|
|
dump.append(INDENT3 "Virtual Keys:\n");
|
|
|
|
for (size_t i = 0; i < mLocked.virtualKeys.size(); i++) {
|
|
const VirtualKey& virtualKey = mLocked.virtualKeys.itemAt(i);
|
|
dump.appendFormat(INDENT4 "%d: 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 InputDeviceCalibration& in = getDevice()->getCalibration();
|
|
Calibration& out = mCalibration;
|
|
|
|
// Touch Size
|
|
out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_DEFAULT;
|
|
String8 touchSizeCalibrationString;
|
|
if (in.tryGetProperty(String8("touch.touchSize.calibration"), touchSizeCalibrationString)) {
|
|
if (touchSizeCalibrationString == "none") {
|
|
out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_NONE;
|
|
} else if (touchSizeCalibrationString == "geometric") {
|
|
out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_GEOMETRIC;
|
|
} else if (touchSizeCalibrationString == "pressure") {
|
|
out.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE;
|
|
} else if (touchSizeCalibrationString != "default") {
|
|
LOGW("Invalid value for touch.touchSize.calibration: '%s'",
|
|
touchSizeCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
// Tool Size
|
|
out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_DEFAULT;
|
|
String8 toolSizeCalibrationString;
|
|
if (in.tryGetProperty(String8("touch.toolSize.calibration"), toolSizeCalibrationString)) {
|
|
if (toolSizeCalibrationString == "none") {
|
|
out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_NONE;
|
|
} else if (toolSizeCalibrationString == "geometric") {
|
|
out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_GEOMETRIC;
|
|
} else if (toolSizeCalibrationString == "linear") {
|
|
out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_LINEAR;
|
|
} else if (toolSizeCalibrationString == "area") {
|
|
out.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_AREA;
|
|
} else if (toolSizeCalibrationString != "default") {
|
|
LOGW("Invalid value for touch.toolSize.calibration: '%s'",
|
|
toolSizeCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
out.haveToolSizeLinearScale = in.tryGetProperty(String8("touch.toolSize.linearScale"),
|
|
out.toolSizeLinearScale);
|
|
out.haveToolSizeLinearBias = in.tryGetProperty(String8("touch.toolSize.linearBias"),
|
|
out.toolSizeLinearBias);
|
|
out.haveToolSizeAreaScale = in.tryGetProperty(String8("touch.toolSize.areaScale"),
|
|
out.toolSizeAreaScale);
|
|
out.haveToolSizeAreaBias = in.tryGetProperty(String8("touch.toolSize.areaBias"),
|
|
out.toolSizeAreaBias);
|
|
out.haveToolSizeIsSummed = in.tryGetProperty(String8("touch.toolSize.isSummed"),
|
|
out.toolSizeIsSummed);
|
|
|
|
// 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") {
|
|
LOGW("Invalid value for touch.pressure.calibration: '%s'",
|
|
pressureCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
out.pressureSource = Calibration::PRESSURE_SOURCE_DEFAULT;
|
|
String8 pressureSourceString;
|
|
if (in.tryGetProperty(String8("touch.pressure.source"), pressureSourceString)) {
|
|
if (pressureSourceString == "pressure") {
|
|
out.pressureSource = Calibration::PRESSURE_SOURCE_PRESSURE;
|
|
} else if (pressureSourceString == "touch") {
|
|
out.pressureSource = Calibration::PRESSURE_SOURCE_TOUCH;
|
|
} else if (pressureSourceString != "default") {
|
|
LOGW("Invalid value for touch.pressure.source: '%s'",
|
|
pressureSourceString.string());
|
|
}
|
|
}
|
|
|
|
out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"),
|
|
out.pressureScale);
|
|
|
|
// 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 == "normalized") {
|
|
out.sizeCalibration = Calibration::SIZE_CALIBRATION_NORMALIZED;
|
|
} else if (sizeCalibrationString != "default") {
|
|
LOGW("Invalid value for touch.size.calibration: '%s'",
|
|
sizeCalibrationString.string());
|
|
}
|
|
}
|
|
|
|
// 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 != "default") {
|
|
LOGW("Invalid value for touch.orientation.calibration: '%s'",
|
|
orientationCalibrationString.string());
|
|
}
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::resolveCalibration() {
|
|
// Pressure
|
|
switch (mCalibration.pressureSource) {
|
|
case Calibration::PRESSURE_SOURCE_DEFAULT:
|
|
if (mRawAxes.pressure.valid) {
|
|
mCalibration.pressureSource = Calibration::PRESSURE_SOURCE_PRESSURE;
|
|
} else if (mRawAxes.touchMajor.valid) {
|
|
mCalibration.pressureSource = Calibration::PRESSURE_SOURCE_TOUCH;
|
|
}
|
|
break;
|
|
|
|
case Calibration::PRESSURE_SOURCE_PRESSURE:
|
|
if (! mRawAxes.pressure.valid) {
|
|
LOGW("Calibration property touch.pressure.source is 'pressure' but "
|
|
"the pressure axis is not available.");
|
|
}
|
|
break;
|
|
|
|
case Calibration::PRESSURE_SOURCE_TOUCH:
|
|
if (! mRawAxes.touchMajor.valid) {
|
|
LOGW("Calibration property touch.pressure.source is 'touch' but "
|
|
"the touchMajor axis is not available.");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (mCalibration.pressureCalibration) {
|
|
case Calibration::PRESSURE_CALIBRATION_DEFAULT:
|
|
if (mCalibration.pressureSource != Calibration::PRESSURE_SOURCE_DEFAULT) {
|
|
mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_AMPLITUDE;
|
|
} else {
|
|
mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Tool Size
|
|
switch (mCalibration.toolSizeCalibration) {
|
|
case Calibration::TOOL_SIZE_CALIBRATION_DEFAULT:
|
|
if (mRawAxes.toolMajor.valid) {
|
|
mCalibration.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_LINEAR;
|
|
} else {
|
|
mCalibration.toolSizeCalibration = Calibration::TOOL_SIZE_CALIBRATION_NONE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Touch Size
|
|
switch (mCalibration.touchSizeCalibration) {
|
|
case Calibration::TOUCH_SIZE_CALIBRATION_DEFAULT:
|
|
if (mCalibration.pressureCalibration != Calibration::PRESSURE_CALIBRATION_NONE
|
|
&& mCalibration.toolSizeCalibration != Calibration::TOOL_SIZE_CALIBRATION_NONE) {
|
|
mCalibration.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE;
|
|
} else {
|
|
mCalibration.touchSizeCalibration = Calibration::TOUCH_SIZE_CALIBRATION_NONE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Size
|
|
switch (mCalibration.sizeCalibration) {
|
|
case Calibration::SIZE_CALIBRATION_DEFAULT:
|
|
if (mRawAxes.toolMajor.valid) {
|
|
mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NORMALIZED;
|
|
} else {
|
|
mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Orientation
|
|
switch (mCalibration.orientationCalibration) {
|
|
case Calibration::ORIENTATION_CALIBRATION_DEFAULT:
|
|
if (mRawAxes.orientation.valid) {
|
|
mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
|
|
} else {
|
|
mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dumpCalibration(String8& dump) {
|
|
dump.append(INDENT3 "Calibration:\n");
|
|
|
|
// Touch Size
|
|
switch (mCalibration.touchSizeCalibration) {
|
|
case Calibration::TOUCH_SIZE_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.touchSize.calibration: none\n");
|
|
break;
|
|
case Calibration::TOUCH_SIZE_CALIBRATION_GEOMETRIC:
|
|
dump.append(INDENT4 "touch.touchSize.calibration: geometric\n");
|
|
break;
|
|
case Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE:
|
|
dump.append(INDENT4 "touch.touchSize.calibration: pressure\n");
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
// Tool Size
|
|
switch (mCalibration.toolSizeCalibration) {
|
|
case Calibration::TOOL_SIZE_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.toolSize.calibration: none\n");
|
|
break;
|
|
case Calibration::TOOL_SIZE_CALIBRATION_GEOMETRIC:
|
|
dump.append(INDENT4 "touch.toolSize.calibration: geometric\n");
|
|
break;
|
|
case Calibration::TOOL_SIZE_CALIBRATION_LINEAR:
|
|
dump.append(INDENT4 "touch.toolSize.calibration: linear\n");
|
|
break;
|
|
case Calibration::TOOL_SIZE_CALIBRATION_AREA:
|
|
dump.append(INDENT4 "touch.toolSize.calibration: area\n");
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeLinearScale) {
|
|
dump.appendFormat(INDENT4 "touch.toolSize.linearScale: %0.3f\n",
|
|
mCalibration.toolSizeLinearScale);
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeLinearBias) {
|
|
dump.appendFormat(INDENT4 "touch.toolSize.linearBias: %0.3f\n",
|
|
mCalibration.toolSizeLinearBias);
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeAreaScale) {
|
|
dump.appendFormat(INDENT4 "touch.toolSize.areaScale: %0.3f\n",
|
|
mCalibration.toolSizeAreaScale);
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeAreaBias) {
|
|
dump.appendFormat(INDENT4 "touch.toolSize.areaBias: %0.3f\n",
|
|
mCalibration.toolSizeAreaBias);
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeIsSummed) {
|
|
dump.appendFormat(INDENT4 "touch.toolSize.isSummed: %d\n",
|
|
mCalibration.toolSizeIsSummed);
|
|
}
|
|
|
|
// 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:
|
|
assert(false);
|
|
}
|
|
|
|
switch (mCalibration.pressureSource) {
|
|
case Calibration::PRESSURE_SOURCE_PRESSURE:
|
|
dump.append(INDENT4 "touch.pressure.source: pressure\n");
|
|
break;
|
|
case Calibration::PRESSURE_SOURCE_TOUCH:
|
|
dump.append(INDENT4 "touch.pressure.source: touch\n");
|
|
break;
|
|
case Calibration::PRESSURE_SOURCE_DEFAULT:
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
if (mCalibration.havePressureScale) {
|
|
dump.appendFormat(INDENT4 "touch.pressure.scale: %0.3f\n",
|
|
mCalibration.pressureScale);
|
|
}
|
|
|
|
// Size
|
|
switch (mCalibration.sizeCalibration) {
|
|
case Calibration::SIZE_CALIBRATION_NONE:
|
|
dump.append(INDENT4 "touch.size.calibration: none\n");
|
|
break;
|
|
case Calibration::SIZE_CALIBRATION_NORMALIZED:
|
|
dump.append(INDENT4 "touch.size.calibration: normalized\n");
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
// 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;
|
|
default:
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::reset() {
|
|
// Synthesize touch up event if touch is currently down.
|
|
// This will also take care of finishing virtual key processing if needed.
|
|
if (mLastTouch.pointerCount != 0) {
|
|
nsecs_t when = systemTime(SYSTEM_TIME_MONOTONIC);
|
|
mCurrentTouch.clear();
|
|
syncTouch(when, true);
|
|
}
|
|
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
initializeLocked();
|
|
} // release lock
|
|
|
|
InputMapper::reset();
|
|
}
|
|
|
|
void TouchInputMapper::syncTouch(nsecs_t when, bool havePointerIds) {
|
|
uint32_t policyFlags = 0;
|
|
|
|
// Preprocess pointer data.
|
|
|
|
if (mParameters.useBadTouchFilter) {
|
|
if (applyBadTouchFilter()) {
|
|
havePointerIds = false;
|
|
}
|
|
}
|
|
|
|
if (mParameters.useJumpyTouchFilter) {
|
|
if (applyJumpyTouchFilter()) {
|
|
havePointerIds = false;
|
|
}
|
|
}
|
|
|
|
if (! havePointerIds) {
|
|
calculatePointerIds();
|
|
}
|
|
|
|
TouchData temp;
|
|
TouchData* savedTouch;
|
|
if (mParameters.useAveragingTouchFilter) {
|
|
temp.copyFrom(mCurrentTouch);
|
|
savedTouch = & temp;
|
|
|
|
applyAveragingTouchFilter();
|
|
} else {
|
|
savedTouch = & mCurrentTouch;
|
|
}
|
|
|
|
// Process touches and virtual keys.
|
|
|
|
TouchResult touchResult = consumeOffScreenTouches(when, policyFlags);
|
|
if (touchResult == DISPATCH_TOUCH) {
|
|
dispatchTouches(when, policyFlags);
|
|
}
|
|
|
|
// Copy current touch to last touch in preparation for the next cycle.
|
|
|
|
if (touchResult == DROP_STROKE) {
|
|
mLastTouch.clear();
|
|
} else {
|
|
mLastTouch.copyFrom(*savedTouch);
|
|
}
|
|
}
|
|
|
|
TouchInputMapper::TouchResult TouchInputMapper::consumeOffScreenTouches(
|
|
nsecs_t when, uint32_t policyFlags) {
|
|
int32_t keyEventAction, keyEventFlags;
|
|
int32_t keyCode, scanCode, downTime;
|
|
TouchResult touchResult;
|
|
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
// Update surface size and orientation, including virtual key positions.
|
|
if (! configureSurfaceLocked()) {
|
|
return DROP_STROKE;
|
|
}
|
|
|
|
// Check for virtual key press.
|
|
if (mLocked.currentVirtualKey.down) {
|
|
if (mCurrentTouch.pointerCount == 0) {
|
|
// Pointer went up while virtual key was down.
|
|
mLocked.currentVirtualKey.down = false;
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
LOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
|
|
mLocked.currentVirtualKey.keyCode, mLocked.currentVirtualKey.scanCode);
|
|
#endif
|
|
keyEventAction = AKEY_EVENT_ACTION_UP;
|
|
keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY;
|
|
touchResult = SKIP_TOUCH;
|
|
goto DispatchVirtualKey;
|
|
}
|
|
|
|
if (mCurrentTouch.pointerCount == 1) {
|
|
int32_t x = mCurrentTouch.pointers[0].x;
|
|
int32_t y = mCurrentTouch.pointers[0].y;
|
|
const VirtualKey* virtualKey = findVirtualKeyHitLocked(x, y);
|
|
if (virtualKey && virtualKey->keyCode == mLocked.currentVirtualKey.keyCode) {
|
|
// Pointer is still within the space of the virtual key.
|
|
return SKIP_TOUCH;
|
|
}
|
|
}
|
|
|
|
// Pointer left virtual key area or another pointer also went down.
|
|
// Send key cancellation and drop the stroke so subsequent motions will be
|
|
// considered fresh downs. This is useful when the user swipes away from the
|
|
// virtual key area into the main display surface.
|
|
mLocked.currentVirtualKey.down = false;
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
LOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
|
|
mLocked.currentVirtualKey.keyCode, mLocked.currentVirtualKey.scanCode);
|
|
#endif
|
|
keyEventAction = AKEY_EVENT_ACTION_UP;
|
|
keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
|
|
| AKEY_EVENT_FLAG_CANCELED;
|
|
|
|
// Check whether the pointer moved inside the display area where we should
|
|
// start a new stroke.
|
|
int32_t x = mCurrentTouch.pointers[0].x;
|
|
int32_t y = mCurrentTouch.pointers[0].y;
|
|
if (isPointInsideSurfaceLocked(x, y)) {
|
|
mLastTouch.clear();
|
|
touchResult = DISPATCH_TOUCH;
|
|
} else {
|
|
touchResult = DROP_STROKE;
|
|
}
|
|
} else {
|
|
if (mCurrentTouch.pointerCount >= 1 && mLastTouch.pointerCount == 0) {
|
|
// Pointer just went down. Handle off-screen touches, if needed.
|
|
int32_t x = mCurrentTouch.pointers[0].x;
|
|
int32_t y = mCurrentTouch.pointers[0].y;
|
|
if (! isPointInsideSurfaceLocked(x, y)) {
|
|
// If exactly one pointer went down, check for virtual key hit.
|
|
// Otherwise we will drop the entire stroke.
|
|
if (mCurrentTouch.pointerCount == 1) {
|
|
const VirtualKey* virtualKey = findVirtualKeyHitLocked(x, y);
|
|
if (virtualKey) {
|
|
mLocked.currentVirtualKey.down = true;
|
|
mLocked.currentVirtualKey.downTime = when;
|
|
mLocked.currentVirtualKey.keyCode = virtualKey->keyCode;
|
|
mLocked.currentVirtualKey.scanCode = virtualKey->scanCode;
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
LOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
|
|
mLocked.currentVirtualKey.keyCode,
|
|
mLocked.currentVirtualKey.scanCode);
|
|
#endif
|
|
keyEventAction = AKEY_EVENT_ACTION_DOWN;
|
|
keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM
|
|
| AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY;
|
|
touchResult = SKIP_TOUCH;
|
|
goto DispatchVirtualKey;
|
|
}
|
|
}
|
|
return DROP_STROKE;
|
|
}
|
|
}
|
|
return DISPATCH_TOUCH;
|
|
}
|
|
|
|
DispatchVirtualKey:
|
|
// Collect remaining state needed to dispatch virtual key.
|
|
keyCode = mLocked.currentVirtualKey.keyCode;
|
|
scanCode = mLocked.currentVirtualKey.scanCode;
|
|
downTime = mLocked.currentVirtualKey.downTime;
|
|
} // release lock
|
|
|
|
// Dispatch virtual key.
|
|
int32_t metaState = mContext->getGlobalMetaState();
|
|
policyFlags |= POLICY_FLAG_VIRTUAL;
|
|
getDispatcher()->notifyKey(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
|
|
keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
|
|
return touchResult;
|
|
}
|
|
|
|
void TouchInputMapper::dispatchTouches(nsecs_t when, uint32_t policyFlags) {
|
|
uint32_t currentPointerCount = mCurrentTouch.pointerCount;
|
|
uint32_t lastPointerCount = mLastTouch.pointerCount;
|
|
if (currentPointerCount == 0 && lastPointerCount == 0) {
|
|
return; // nothing to do!
|
|
}
|
|
|
|
BitSet32 currentIdBits = mCurrentTouch.idBits;
|
|
BitSet32 lastIdBits = mLastTouch.idBits;
|
|
|
|
if (currentIdBits == lastIdBits) {
|
|
// No pointer id changes so this is a move event.
|
|
// The dispatcher takes care of batching moves so we don't have to deal with that here.
|
|
int32_t motionEventAction = AMOTION_EVENT_ACTION_MOVE;
|
|
dispatchTouch(when, policyFlags, & mCurrentTouch,
|
|
currentIdBits, -1, currentPointerCount, motionEventAction);
|
|
} 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 activeIdBits(lastIdBits.value);
|
|
uint32_t pointerCount = lastPointerCount;
|
|
|
|
// Produce an intermediate representation of the touch data that consists of the
|
|
// old location of pointers that have just gone up and the new location of pointers that
|
|
// have just moved but omits the location of pointers that have just gone down.
|
|
TouchData interimTouch;
|
|
interimTouch.copyFrom(mLastTouch);
|
|
|
|
BitSet32 moveIdBits(lastIdBits.value & currentIdBits.value);
|
|
bool moveNeeded = false;
|
|
while (!moveIdBits.isEmpty()) {
|
|
uint32_t moveId = moveIdBits.firstMarkedBit();
|
|
moveIdBits.clearBit(moveId);
|
|
|
|
int32_t oldIndex = mLastTouch.idToIndex[moveId];
|
|
int32_t newIndex = mCurrentTouch.idToIndex[moveId];
|
|
if (mLastTouch.pointers[oldIndex] != mCurrentTouch.pointers[newIndex]) {
|
|
interimTouch.pointers[oldIndex] = mCurrentTouch.pointers[newIndex];
|
|
moveNeeded = true;
|
|
}
|
|
}
|
|
|
|
// Dispatch pointer up events using the interim pointer locations.
|
|
while (!upIdBits.isEmpty()) {
|
|
uint32_t upId = upIdBits.firstMarkedBit();
|
|
upIdBits.clearBit(upId);
|
|
BitSet32 oldActiveIdBits = activeIdBits;
|
|
activeIdBits.clearBit(upId);
|
|
|
|
int32_t motionEventAction;
|
|
if (activeIdBits.isEmpty()) {
|
|
motionEventAction = AMOTION_EVENT_ACTION_UP;
|
|
} else {
|
|
motionEventAction = AMOTION_EVENT_ACTION_POINTER_UP;
|
|
}
|
|
|
|
dispatchTouch(when, policyFlags, &interimTouch,
|
|
oldActiveIdBits, upId, pointerCount, motionEventAction);
|
|
pointerCount -= 1;
|
|
}
|
|
|
|
// 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) {
|
|
dispatchTouch(when, policyFlags, &mCurrentTouch,
|
|
activeIdBits, -1, pointerCount, AMOTION_EVENT_ACTION_MOVE);
|
|
}
|
|
|
|
// Dispatch pointer down events using the new pointer locations.
|
|
while (!downIdBits.isEmpty()) {
|
|
uint32_t downId = downIdBits.firstMarkedBit();
|
|
downIdBits.clearBit(downId);
|
|
BitSet32 oldActiveIdBits = activeIdBits;
|
|
activeIdBits.markBit(downId);
|
|
|
|
int32_t motionEventAction;
|
|
if (oldActiveIdBits.isEmpty()) {
|
|
motionEventAction = AMOTION_EVENT_ACTION_DOWN;
|
|
mDownTime = when;
|
|
} else {
|
|
motionEventAction = AMOTION_EVENT_ACTION_POINTER_DOWN;
|
|
}
|
|
|
|
pointerCount += 1;
|
|
dispatchTouch(when, policyFlags, &mCurrentTouch,
|
|
activeIdBits, downId, pointerCount, motionEventAction);
|
|
}
|
|
}
|
|
}
|
|
|
|
void TouchInputMapper::dispatchTouch(nsecs_t when, uint32_t policyFlags,
|
|
TouchData* touch, BitSet32 idBits, uint32_t changedId, uint32_t pointerCount,
|
|
int32_t motionEventAction) {
|
|
int32_t pointerIds[MAX_POINTERS];
|
|
PointerCoords pointerCoords[MAX_POINTERS];
|
|
int32_t motionEventEdgeFlags = 0;
|
|
float xPrecision, yPrecision;
|
|
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
// Walk through the the active pointers and map touch screen coordinates (TouchData) into
|
|
// display coordinates (PointerCoords) and adjust for display orientation.
|
|
for (uint32_t outIndex = 0; ! idBits.isEmpty(); outIndex++) {
|
|
uint32_t id = idBits.firstMarkedBit();
|
|
idBits.clearBit(id);
|
|
uint32_t inIndex = touch->idToIndex[id];
|
|
|
|
const PointerData& in = touch->pointers[inIndex];
|
|
|
|
// X and Y
|
|
float x = float(in.x - mLocked.xOrigin) * mLocked.xScale;
|
|
float y = float(in.y - mLocked.yOrigin) * mLocked.yScale;
|
|
|
|
// ToolMajor and ToolMinor
|
|
float toolMajor, toolMinor;
|
|
switch (mCalibration.toolSizeCalibration) {
|
|
case Calibration::TOOL_SIZE_CALIBRATION_GEOMETRIC:
|
|
toolMajor = in.toolMajor * mLocked.geometricScale;
|
|
if (mRawAxes.toolMinor.valid) {
|
|
toolMinor = in.toolMinor * mLocked.geometricScale;
|
|
} else {
|
|
toolMinor = toolMajor;
|
|
}
|
|
break;
|
|
case Calibration::TOOL_SIZE_CALIBRATION_LINEAR:
|
|
toolMajor = in.toolMajor != 0
|
|
? in.toolMajor * mLocked.toolSizeLinearScale + mLocked.toolSizeLinearBias
|
|
: 0;
|
|
if (mRawAxes.toolMinor.valid) {
|
|
toolMinor = in.toolMinor != 0
|
|
? in.toolMinor * mLocked.toolSizeLinearScale
|
|
+ mLocked.toolSizeLinearBias
|
|
: 0;
|
|
} else {
|
|
toolMinor = toolMajor;
|
|
}
|
|
break;
|
|
case Calibration::TOOL_SIZE_CALIBRATION_AREA:
|
|
if (in.toolMajor != 0) {
|
|
float diameter = sqrtf(in.toolMajor
|
|
* mLocked.toolSizeAreaScale + mLocked.toolSizeAreaBias);
|
|
toolMajor = diameter * mLocked.toolSizeLinearScale + mLocked.toolSizeLinearBias;
|
|
} else {
|
|
toolMajor = 0;
|
|
}
|
|
toolMinor = toolMajor;
|
|
break;
|
|
default:
|
|
toolMajor = 0;
|
|
toolMinor = 0;
|
|
break;
|
|
}
|
|
|
|
if (mCalibration.haveToolSizeIsSummed && mCalibration.toolSizeIsSummed) {
|
|
toolMajor /= pointerCount;
|
|
toolMinor /= pointerCount;
|
|
}
|
|
|
|
// Pressure
|
|
float rawPressure;
|
|
switch (mCalibration.pressureSource) {
|
|
case Calibration::PRESSURE_SOURCE_PRESSURE:
|
|
rawPressure = in.pressure;
|
|
break;
|
|
case Calibration::PRESSURE_SOURCE_TOUCH:
|
|
rawPressure = in.touchMajor;
|
|
break;
|
|
default:
|
|
rawPressure = 0;
|
|
}
|
|
|
|
float pressure;
|
|
switch (mCalibration.pressureCalibration) {
|
|
case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
|
|
case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
|
|
pressure = rawPressure * mLocked.pressureScale;
|
|
break;
|
|
default:
|
|
pressure = 1;
|
|
break;
|
|
}
|
|
|
|
// TouchMajor and TouchMinor
|
|
float touchMajor, touchMinor;
|
|
switch (mCalibration.touchSizeCalibration) {
|
|
case Calibration::TOUCH_SIZE_CALIBRATION_GEOMETRIC:
|
|
touchMajor = in.touchMajor * mLocked.geometricScale;
|
|
if (mRawAxes.touchMinor.valid) {
|
|
touchMinor = in.touchMinor * mLocked.geometricScale;
|
|
} else {
|
|
touchMinor = touchMajor;
|
|
}
|
|
break;
|
|
case Calibration::TOUCH_SIZE_CALIBRATION_PRESSURE:
|
|
touchMajor = toolMajor * pressure;
|
|
touchMinor = toolMinor * pressure;
|
|
break;
|
|
default:
|
|
touchMajor = 0;
|
|
touchMinor = 0;
|
|
break;
|
|
}
|
|
|
|
if (touchMajor > toolMajor) {
|
|
touchMajor = toolMajor;
|
|
}
|
|
if (touchMinor > toolMinor) {
|
|
touchMinor = toolMinor;
|
|
}
|
|
|
|
// Size
|
|
float size;
|
|
switch (mCalibration.sizeCalibration) {
|
|
case Calibration::SIZE_CALIBRATION_NORMALIZED: {
|
|
float rawSize = mRawAxes.toolMinor.valid
|
|
? avg(in.toolMajor, in.toolMinor)
|
|
: in.toolMajor;
|
|
size = rawSize * mLocked.sizeScale;
|
|
break;
|
|
}
|
|
default:
|
|
size = 0;
|
|
break;
|
|
}
|
|
|
|
// Orientation
|
|
float orientation;
|
|
switch (mCalibration.orientationCalibration) {
|
|
case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
|
|
orientation = in.orientation * mLocked.orientationScale;
|
|
break;
|
|
default:
|
|
orientation = 0;
|
|
}
|
|
|
|
// Adjust coords for orientation.
|
|
switch (mLocked.surfaceOrientation) {
|
|
case InputReaderPolicyInterface::ROTATION_90: {
|
|
float xTemp = x;
|
|
x = y;
|
|
y = mLocked.surfaceWidth - xTemp;
|
|
orientation -= M_PI_2;
|
|
if (orientation < - M_PI_2) {
|
|
orientation += M_PI;
|
|
}
|
|
break;
|
|
}
|
|
case InputReaderPolicyInterface::ROTATION_180: {
|
|
x = mLocked.surfaceWidth - x;
|
|
y = mLocked.surfaceHeight - y;
|
|
orientation = - orientation;
|
|
break;
|
|
}
|
|
case InputReaderPolicyInterface::ROTATION_270: {
|
|
float xTemp = x;
|
|
x = mLocked.surfaceHeight - y;
|
|
y = xTemp;
|
|
orientation += M_PI_2;
|
|
if (orientation > M_PI_2) {
|
|
orientation -= M_PI;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Write output coords.
|
|
PointerCoords& out = pointerCoords[outIndex];
|
|
out.x = x;
|
|
out.y = y;
|
|
out.pressure = pressure;
|
|
out.size = size;
|
|
out.touchMajor = touchMajor;
|
|
out.touchMinor = touchMinor;
|
|
out.toolMajor = toolMajor;
|
|
out.toolMinor = toolMinor;
|
|
out.orientation = orientation;
|
|
|
|
pointerIds[outIndex] = int32_t(id);
|
|
|
|
if (id == changedId) {
|
|
motionEventAction |= outIndex << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
|
|
}
|
|
}
|
|
|
|
// Check edge flags by looking only at the first pointer since the flags are
|
|
// global to the event.
|
|
if (motionEventAction == AMOTION_EVENT_ACTION_DOWN) {
|
|
if (pointerCoords[0].x <= 0) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_LEFT;
|
|
} else if (pointerCoords[0].x >= mLocked.orientedSurfaceWidth) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_RIGHT;
|
|
}
|
|
if (pointerCoords[0].y <= 0) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_TOP;
|
|
} else if (pointerCoords[0].y >= mLocked.orientedSurfaceHeight) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_BOTTOM;
|
|
}
|
|
}
|
|
|
|
xPrecision = mLocked.orientedXPrecision;
|
|
yPrecision = mLocked.orientedYPrecision;
|
|
} // release lock
|
|
|
|
getDispatcher()->notifyMotion(when, getDeviceId(), getSources(), policyFlags,
|
|
motionEventAction, 0, getContext()->getGlobalMetaState(), motionEventEdgeFlags,
|
|
pointerCount, pointerIds, pointerCoords,
|
|
xPrecision, yPrecision, mDownTime);
|
|
}
|
|
|
|
bool TouchInputMapper::isPointInsideSurfaceLocked(int32_t x, int32_t y) {
|
|
if (mRawAxes.x.valid && mRawAxes.y.valid) {
|
|
return x >= mRawAxes.x.minValue && x <= mRawAxes.x.maxValue
|
|
&& y >= mRawAxes.y.minValue && y <= mRawAxes.y.maxValue;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHitLocked(
|
|
int32_t x, int32_t y) {
|
|
size_t numVirtualKeys = mLocked.virtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mLocked.virtualKeys[i];
|
|
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
LOGD("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::calculatePointerIds() {
|
|
uint32_t currentPointerCount = mCurrentTouch.pointerCount;
|
|
uint32_t lastPointerCount = mLastTouch.pointerCount;
|
|
|
|
if (currentPointerCount == 0) {
|
|
// No pointers to assign.
|
|
mCurrentTouch.idBits.clear();
|
|
} else if (lastPointerCount == 0) {
|
|
// All pointers are new.
|
|
mCurrentTouch.idBits.clear();
|
|
for (uint32_t i = 0; i < currentPointerCount; i++) {
|
|
mCurrentTouch.pointers[i].id = i;
|
|
mCurrentTouch.idToIndex[i] = i;
|
|
mCurrentTouch.idBits.markBit(i);
|
|
}
|
|
} else if (currentPointerCount == 1 && lastPointerCount == 1) {
|
|
// Only one pointer and no change in count so it must have the same id as before.
|
|
uint32_t id = mLastTouch.pointers[0].id;
|
|
mCurrentTouch.pointers[0].id = id;
|
|
mCurrentTouch.idToIndex[id] = 0;
|
|
mCurrentTouch.idBits.value = BitSet32::valueForBit(id);
|
|
} else {
|
|
// 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.
|
|
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++) {
|
|
int64_t deltaX = mCurrentTouch.pointers[currentPointerIndex].x
|
|
- mLastTouch.pointers[lastPointerIndex].x;
|
|
int64_t deltaY = mCurrentTouch.pointers[currentPointerIndex].y
|
|
- mLastTouch.pointers[lastPointerIndex].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
|
|
LOGD("calculatePointerIds - initial distance min-heap: size=%d", heapSize);
|
|
for (size_t i = 0; i < heapSize; i++) {
|
|
LOGD(" 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); i > 0; i--) {
|
|
for (;;) {
|
|
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).
|
|
heapSize -= 1;
|
|
assert(heapSize > 0);
|
|
|
|
// 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
|
|
LOGD("calculatePointerIds - reduced distance min-heap: size=%d", heapSize);
|
|
for (size_t i = 0; i < heapSize; i++) {
|
|
LOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
|
|
i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
|
|
heap[i].distance);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
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 = mLastTouch.pointers[lastPointerIndex].id;
|
|
mCurrentTouch.pointers[currentPointerIndex].id = id;
|
|
mCurrentTouch.idToIndex[id] = currentPointerIndex;
|
|
usedIdBits.markBit(id);
|
|
|
|
#if DEBUG_POINTER_ASSIGNMENT
|
|
LOGD("calculatePointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
|
|
lastPointerIndex, currentPointerIndex, id, heap[0].distance);
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Assign fresh ids to new pointers.
|
|
if (currentPointerCount > lastPointerCount) {
|
|
for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
|
|
uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
|
|
uint32_t id = usedIdBits.firstUnmarkedBit();
|
|
|
|
mCurrentTouch.pointers[currentPointerIndex].id = id;
|
|
mCurrentTouch.idToIndex[id] = currentPointerIndex;
|
|
usedIdBits.markBit(id);
|
|
|
|
#if DEBUG_POINTER_ASSIGNMENT
|
|
LOGD("calculatePointerIds - assigned: cur=%d, id=%d",
|
|
currentPointerIndex, id);
|
|
#endif
|
|
|
|
if (--i == 0) break; // done
|
|
matchedCurrentBits.markBit(currentPointerIndex);
|
|
}
|
|
}
|
|
|
|
// Fix id bits.
|
|
mCurrentTouch.idBits = usedIdBits;
|
|
}
|
|
}
|
|
|
|
/* Special hack for devices that have bad screen data: if one of the
|
|
* points has moved more than a screen height from the last position,
|
|
* then drop it. */
|
|
bool TouchInputMapper::applyBadTouchFilter() {
|
|
// This hack requires valid axis parameters.
|
|
if (! mRawAxes.y.valid) {
|
|
return false;
|
|
}
|
|
|
|
uint32_t pointerCount = mCurrentTouch.pointerCount;
|
|
|
|
// Nothing to do if there are no points.
|
|
if (pointerCount == 0) {
|
|
return false;
|
|
}
|
|
|
|
// Don't do anything if a finger is going down or up. We run
|
|
// here before assigning pointer IDs, so there isn't a good
|
|
// way to do per-finger matching.
|
|
if (pointerCount != mLastTouch.pointerCount) {
|
|
return false;
|
|
}
|
|
|
|
// We consider a single movement across more than a 7/16 of
|
|
// the long size of the screen to be bad. This was a magic value
|
|
// determined by looking at the maximum distance it is feasible
|
|
// to actually move in one sample.
|
|
int32_t maxDeltaY = mRawAxes.y.getRange() * 7 / 16;
|
|
|
|
// XXX The original code in InputDevice.java included commented out
|
|
// code for testing the X axis. Note that when we drop a point
|
|
// we don't actually restore the old X either. Strange.
|
|
// The old code also tries to track when bad points were previously
|
|
// detected but it turns out that due to the placement of a "break"
|
|
// at the end of the loop, we never set mDroppedBadPoint to true
|
|
// so it is effectively dead code.
|
|
// Need to figure out if the old code is busted or just overcomplicated
|
|
// but working as intended.
|
|
|
|
// Look through all new points and see if any are farther than
|
|
// acceptable from all previous points.
|
|
for (uint32_t i = pointerCount; i-- > 0; ) {
|
|
int32_t y = mCurrentTouch.pointers[i].y;
|
|
int32_t closestY = INT_MAX;
|
|
int32_t closestDeltaY = 0;
|
|
|
|
#if DEBUG_HACKS
|
|
LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
|
|
#endif
|
|
|
|
for (uint32_t j = pointerCount; j-- > 0; ) {
|
|
int32_t lastY = mLastTouch.pointers[j].y;
|
|
int32_t deltaY = abs(y - lastY);
|
|
|
|
#if DEBUG_HACKS
|
|
LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
|
|
j, lastY, deltaY);
|
|
#endif
|
|
|
|
if (deltaY < maxDeltaY) {
|
|
goto SkipSufficientlyClosePoint;
|
|
}
|
|
if (deltaY < closestDeltaY) {
|
|
closestDeltaY = deltaY;
|
|
closestY = lastY;
|
|
}
|
|
}
|
|
|
|
// Must not have found a close enough match.
|
|
#if DEBUG_HACKS
|
|
LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
|
|
i, y, closestY, closestDeltaY, maxDeltaY);
|
|
#endif
|
|
|
|
mCurrentTouch.pointers[i].y = closestY;
|
|
return true; // XXX original code only corrects one point
|
|
|
|
SkipSufficientlyClosePoint: ;
|
|
}
|
|
|
|
// No change.
|
|
return false;
|
|
}
|
|
|
|
/* Special hack for devices that have bad screen data: drop points where
|
|
* the coordinate value for one axis has jumped to the other pointer's location.
|
|
*/
|
|
bool TouchInputMapper::applyJumpyTouchFilter() {
|
|
// This hack requires valid axis parameters.
|
|
if (! mRawAxes.y.valid) {
|
|
return false;
|
|
}
|
|
|
|
uint32_t pointerCount = mCurrentTouch.pointerCount;
|
|
if (mLastTouch.pointerCount != pointerCount) {
|
|
#if DEBUG_HACKS
|
|
LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
|
|
mLastTouch.pointerCount, pointerCount);
|
|
for (uint32_t i = 0; i < pointerCount; i++) {
|
|
LOGD(" Pointer %d (%d, %d)", i,
|
|
mCurrentTouch.pointers[i].x, mCurrentTouch.pointers[i].y);
|
|
}
|
|
#endif
|
|
|
|
if (mJumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
|
|
if (mLastTouch.pointerCount == 1 && pointerCount == 2) {
|
|
// Just drop the first few events going from 1 to 2 pointers.
|
|
// They're bad often enough that they're not worth considering.
|
|
mCurrentTouch.pointerCount = 1;
|
|
mJumpyTouchFilter.jumpyPointsDropped += 1;
|
|
|
|
#if DEBUG_HACKS
|
|
LOGD("JumpyTouchFilter: Pointer 2 dropped");
|
|
#endif
|
|
return true;
|
|
} else if (mLastTouch.pointerCount == 2 && pointerCount == 1) {
|
|
// The event when we go from 2 -> 1 tends to be messed up too
|
|
mCurrentTouch.pointerCount = 2;
|
|
mCurrentTouch.pointers[0] = mLastTouch.pointers[0];
|
|
mCurrentTouch.pointers[1] = mLastTouch.pointers[1];
|
|
mJumpyTouchFilter.jumpyPointsDropped += 1;
|
|
|
|
#if DEBUG_HACKS
|
|
for (int32_t i = 0; i < 2; i++) {
|
|
LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
|
|
mCurrentTouch.pointers[i].x, mCurrentTouch.pointers[i].y);
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
}
|
|
// Reset jumpy points dropped on other transitions or if limit exceeded.
|
|
mJumpyTouchFilter.jumpyPointsDropped = 0;
|
|
|
|
#if DEBUG_HACKS
|
|
LOGD("JumpyTouchFilter: Transition - drop limit reset");
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
// We have the same number of pointers as last time.
|
|
// A 'jumpy' point is one where the coordinate value for one axis
|
|
// has jumped to the other pointer's location. No need to do anything
|
|
// else if we only have one pointer.
|
|
if (pointerCount < 2) {
|
|
return false;
|
|
}
|
|
|
|
if (mJumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
|
|
int jumpyEpsilon = mRawAxes.y.getRange() / JUMPY_EPSILON_DIVISOR;
|
|
|
|
// We only replace the single worst jumpy point as characterized by pointer distance
|
|
// in a single axis.
|
|
int32_t badPointerIndex = -1;
|
|
int32_t badPointerReplacementIndex = -1;
|
|
int32_t badPointerDistance = INT_MIN; // distance to be corrected
|
|
|
|
for (uint32_t i = pointerCount; i-- > 0; ) {
|
|
int32_t x = mCurrentTouch.pointers[i].x;
|
|
int32_t y = mCurrentTouch.pointers[i].y;
|
|
|
|
#if DEBUG_HACKS
|
|
LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
|
|
#endif
|
|
|
|
// Check if a touch point is too close to another's coordinates
|
|
bool dropX = false, dropY = false;
|
|
for (uint32_t j = 0; j < pointerCount; j++) {
|
|
if (i == j) {
|
|
continue;
|
|
}
|
|
|
|
if (abs(x - mCurrentTouch.pointers[j].x) <= jumpyEpsilon) {
|
|
dropX = true;
|
|
break;
|
|
}
|
|
|
|
if (abs(y - mCurrentTouch.pointers[j].y) <= jumpyEpsilon) {
|
|
dropY = true;
|
|
break;
|
|
}
|
|
}
|
|
if (! dropX && ! dropY) {
|
|
continue; // not jumpy
|
|
}
|
|
|
|
// Find a replacement candidate by comparing with older points on the
|
|
// complementary (non-jumpy) axis.
|
|
int32_t distance = INT_MIN; // distance to be corrected
|
|
int32_t replacementIndex = -1;
|
|
|
|
if (dropX) {
|
|
// X looks too close. Find an older replacement point with a close Y.
|
|
int32_t smallestDeltaY = INT_MAX;
|
|
for (uint32_t j = 0; j < pointerCount; j++) {
|
|
int32_t deltaY = abs(y - mLastTouch.pointers[j].y);
|
|
if (deltaY < smallestDeltaY) {
|
|
smallestDeltaY = deltaY;
|
|
replacementIndex = j;
|
|
}
|
|
}
|
|
distance = abs(x - mLastTouch.pointers[replacementIndex].x);
|
|
} else {
|
|
// Y looks too close. Find an older replacement point with a close X.
|
|
int32_t smallestDeltaX = INT_MAX;
|
|
for (uint32_t j = 0; j < pointerCount; j++) {
|
|
int32_t deltaX = abs(x - mLastTouch.pointers[j].x);
|
|
if (deltaX < smallestDeltaX) {
|
|
smallestDeltaX = deltaX;
|
|
replacementIndex = j;
|
|
}
|
|
}
|
|
distance = abs(y - mLastTouch.pointers[replacementIndex].y);
|
|
}
|
|
|
|
// If replacing this pointer would correct a worse error than the previous ones
|
|
// considered, then use this replacement instead.
|
|
if (distance > badPointerDistance) {
|
|
badPointerIndex = i;
|
|
badPointerReplacementIndex = replacementIndex;
|
|
badPointerDistance = distance;
|
|
}
|
|
}
|
|
|
|
// Correct the jumpy pointer if one was found.
|
|
if (badPointerIndex >= 0) {
|
|
#if DEBUG_HACKS
|
|
LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
|
|
badPointerIndex,
|
|
mLastTouch.pointers[badPointerReplacementIndex].x,
|
|
mLastTouch.pointers[badPointerReplacementIndex].y);
|
|
#endif
|
|
|
|
mCurrentTouch.pointers[badPointerIndex].x =
|
|
mLastTouch.pointers[badPointerReplacementIndex].x;
|
|
mCurrentTouch.pointers[badPointerIndex].y =
|
|
mLastTouch.pointers[badPointerReplacementIndex].y;
|
|
mJumpyTouchFilter.jumpyPointsDropped += 1;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
mJumpyTouchFilter.jumpyPointsDropped = 0;
|
|
return false;
|
|
}
|
|
|
|
/* Special hack for devices that have bad screen data: aggregate and
|
|
* compute averages of the coordinate data, to reduce the amount of
|
|
* jitter seen by applications. */
|
|
void TouchInputMapper::applyAveragingTouchFilter() {
|
|
for (uint32_t currentIndex = 0; currentIndex < mCurrentTouch.pointerCount; currentIndex++) {
|
|
uint32_t id = mCurrentTouch.pointers[currentIndex].id;
|
|
int32_t x = mCurrentTouch.pointers[currentIndex].x;
|
|
int32_t y = mCurrentTouch.pointers[currentIndex].y;
|
|
int32_t pressure;
|
|
switch (mCalibration.pressureSource) {
|
|
case Calibration::PRESSURE_SOURCE_PRESSURE:
|
|
pressure = mCurrentTouch.pointers[currentIndex].pressure;
|
|
break;
|
|
case Calibration::PRESSURE_SOURCE_TOUCH:
|
|
pressure = mCurrentTouch.pointers[currentIndex].touchMajor;
|
|
break;
|
|
default:
|
|
pressure = 1;
|
|
break;
|
|
}
|
|
|
|
if (mLastTouch.idBits.hasBit(id)) {
|
|
// Pointer was down before and is still down now.
|
|
// Compute average over history trace.
|
|
uint32_t start = mAveragingTouchFilter.historyStart[id];
|
|
uint32_t end = mAveragingTouchFilter.historyEnd[id];
|
|
|
|
int64_t deltaX = x - mAveragingTouchFilter.historyData[end].pointers[id].x;
|
|
int64_t deltaY = y - mAveragingTouchFilter.historyData[end].pointers[id].y;
|
|
uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
|
|
|
|
#if DEBUG_HACKS
|
|
LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
|
|
id, distance);
|
|
#endif
|
|
|
|
if (distance < AVERAGING_DISTANCE_LIMIT) {
|
|
// Increment end index in preparation for recording new historical data.
|
|
end += 1;
|
|
if (end > AVERAGING_HISTORY_SIZE) {
|
|
end = 0;
|
|
}
|
|
|
|
// If the end index has looped back to the start index then we have filled
|
|
// the historical trace up to the desired size so we drop the historical
|
|
// data at the start of the trace.
|
|
if (end == start) {
|
|
start += 1;
|
|
if (start > AVERAGING_HISTORY_SIZE) {
|
|
start = 0;
|
|
}
|
|
}
|
|
|
|
// Add the raw data to the historical trace.
|
|
mAveragingTouchFilter.historyStart[id] = start;
|
|
mAveragingTouchFilter.historyEnd[id] = end;
|
|
mAveragingTouchFilter.historyData[end].pointers[id].x = x;
|
|
mAveragingTouchFilter.historyData[end].pointers[id].y = y;
|
|
mAveragingTouchFilter.historyData[end].pointers[id].pressure = pressure;
|
|
|
|
// Average over all historical positions in the trace by total pressure.
|
|
int32_t averagedX = 0;
|
|
int32_t averagedY = 0;
|
|
int32_t totalPressure = 0;
|
|
for (;;) {
|
|
int32_t historicalX = mAveragingTouchFilter.historyData[start].pointers[id].x;
|
|
int32_t historicalY = mAveragingTouchFilter.historyData[start].pointers[id].y;
|
|
int32_t historicalPressure = mAveragingTouchFilter.historyData[start]
|
|
.pointers[id].pressure;
|
|
|
|
averagedX += historicalX * historicalPressure;
|
|
averagedY += historicalY * historicalPressure;
|
|
totalPressure += historicalPressure;
|
|
|
|
if (start == end) {
|
|
break;
|
|
}
|
|
|
|
start += 1;
|
|
if (start > AVERAGING_HISTORY_SIZE) {
|
|
start = 0;
|
|
}
|
|
}
|
|
|
|
if (totalPressure != 0) {
|
|
averagedX /= totalPressure;
|
|
averagedY /= totalPressure;
|
|
|
|
#if DEBUG_HACKS
|
|
LOGD("AveragingTouchFilter: Pointer id %d - "
|
|
"totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
|
|
averagedX, averagedY);
|
|
#endif
|
|
|
|
mCurrentTouch.pointers[currentIndex].x = averagedX;
|
|
mCurrentTouch.pointers[currentIndex].y = averagedY;
|
|
}
|
|
} else {
|
|
#if DEBUG_HACKS
|
|
LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
|
|
#endif
|
|
}
|
|
} else {
|
|
#if DEBUG_HACKS
|
|
LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
|
|
#endif
|
|
}
|
|
|
|
// Reset pointer history.
|
|
mAveragingTouchFilter.historyStart[id] = 0;
|
|
mAveragingTouchFilter.historyEnd[id] = 0;
|
|
mAveragingTouchFilter.historyData[0].pointers[id].x = x;
|
|
mAveragingTouchFilter.historyData[0].pointers[id].y = y;
|
|
mAveragingTouchFilter.historyData[0].pointers[id].pressure = pressure;
|
|
}
|
|
}
|
|
|
|
int32_t TouchInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
if (mLocked.currentVirtualKey.down && mLocked.currentVirtualKey.keyCode == keyCode) {
|
|
return AKEY_STATE_VIRTUAL;
|
|
}
|
|
|
|
size_t numVirtualKeys = mLocked.virtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mLocked.virtualKeys[i];
|
|
if (virtualKey.keyCode == keyCode) {
|
|
return AKEY_STATE_UP;
|
|
}
|
|
}
|
|
} // release lock
|
|
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
|
|
int32_t TouchInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
if (mLocked.currentVirtualKey.down && mLocked.currentVirtualKey.scanCode == scanCode) {
|
|
return AKEY_STATE_VIRTUAL;
|
|
}
|
|
|
|
size_t numVirtualKeys = mLocked.virtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mLocked.virtualKeys[i];
|
|
if (virtualKey.scanCode == scanCode) {
|
|
return AKEY_STATE_UP;
|
|
}
|
|
}
|
|
} // release lock
|
|
|
|
return AKEY_STATE_UNKNOWN;
|
|
}
|
|
|
|
bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
|
|
const int32_t* keyCodes, uint8_t* outFlags) {
|
|
{ // acquire lock
|
|
AutoMutex _l(mLock);
|
|
|
|
size_t numVirtualKeys = mLocked.virtualKeys.size();
|
|
for (size_t i = 0; i < numVirtualKeys; i++) {
|
|
const VirtualKey& virtualKey = mLocked.virtualKeys[i];
|
|
|
|
for (size_t i = 0; i < numCodes; i++) {
|
|
if (virtualKey.keyCode == keyCodes[i]) {
|
|
outFlags[i] = 1;
|
|
}
|
|
}
|
|
}
|
|
} // release lock
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// --- SingleTouchInputMapper ---
|
|
|
|
SingleTouchInputMapper::SingleTouchInputMapper(InputDevice* device, int32_t associatedDisplayId) :
|
|
TouchInputMapper(device, associatedDisplayId) {
|
|
initialize();
|
|
}
|
|
|
|
SingleTouchInputMapper::~SingleTouchInputMapper() {
|
|
}
|
|
|
|
void SingleTouchInputMapper::initialize() {
|
|
mAccumulator.clear();
|
|
|
|
mDown = false;
|
|
mX = 0;
|
|
mY = 0;
|
|
mPressure = 0; // default to 0 for devices that don't report pressure
|
|
mToolWidth = 0; // default to 0 for devices that don't report tool width
|
|
}
|
|
|
|
void SingleTouchInputMapper::reset() {
|
|
TouchInputMapper::reset();
|
|
|
|
initialize();
|
|
}
|
|
|
|
void SingleTouchInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_KEY:
|
|
switch (rawEvent->scanCode) {
|
|
case BTN_TOUCH:
|
|
mAccumulator.fields |= Accumulator::FIELD_BTN_TOUCH;
|
|
mAccumulator.btnTouch = rawEvent->value != 0;
|
|
// Don't sync immediately. Wait until the next SYN_REPORT since we might
|
|
// not have received valid position information yet. This logic assumes that
|
|
// BTN_TOUCH is always followed by SYN_REPORT as part of a complete packet.
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case EV_ABS:
|
|
switch (rawEvent->scanCode) {
|
|
case ABS_X:
|
|
mAccumulator.fields |= Accumulator::FIELD_ABS_X;
|
|
mAccumulator.absX = rawEvent->value;
|
|
break;
|
|
case ABS_Y:
|
|
mAccumulator.fields |= Accumulator::FIELD_ABS_Y;
|
|
mAccumulator.absY = rawEvent->value;
|
|
break;
|
|
case ABS_PRESSURE:
|
|
mAccumulator.fields |= Accumulator::FIELD_ABS_PRESSURE;
|
|
mAccumulator.absPressure = rawEvent->value;
|
|
break;
|
|
case ABS_TOOL_WIDTH:
|
|
mAccumulator.fields |= Accumulator::FIELD_ABS_TOOL_WIDTH;
|
|
mAccumulator.absToolWidth = rawEvent->value;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case EV_SYN:
|
|
switch (rawEvent->scanCode) {
|
|
case SYN_REPORT:
|
|
sync(rawEvent->when);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SingleTouchInputMapper::sync(nsecs_t when) {
|
|
uint32_t fields = mAccumulator.fields;
|
|
if (fields == 0) {
|
|
return; // no new state changes, so nothing to do
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_BTN_TOUCH) {
|
|
mDown = mAccumulator.btnTouch;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_X) {
|
|
mX = mAccumulator.absX;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_Y) {
|
|
mY = mAccumulator.absY;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_PRESSURE) {
|
|
mPressure = mAccumulator.absPressure;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_TOOL_WIDTH) {
|
|
mToolWidth = mAccumulator.absToolWidth;
|
|
}
|
|
|
|
mCurrentTouch.clear();
|
|
|
|
if (mDown) {
|
|
mCurrentTouch.pointerCount = 1;
|
|
mCurrentTouch.pointers[0].id = 0;
|
|
mCurrentTouch.pointers[0].x = mX;
|
|
mCurrentTouch.pointers[0].y = mY;
|
|
mCurrentTouch.pointers[0].pressure = mPressure;
|
|
mCurrentTouch.pointers[0].touchMajor = 0;
|
|
mCurrentTouch.pointers[0].touchMinor = 0;
|
|
mCurrentTouch.pointers[0].toolMajor = mToolWidth;
|
|
mCurrentTouch.pointers[0].toolMinor = mToolWidth;
|
|
mCurrentTouch.pointers[0].orientation = 0;
|
|
mCurrentTouch.idToIndex[0] = 0;
|
|
mCurrentTouch.idBits.markBit(0);
|
|
}
|
|
|
|
syncTouch(when, true);
|
|
|
|
mAccumulator.clear();
|
|
}
|
|
|
|
void SingleTouchInputMapper::configureRawAxes() {
|
|
TouchInputMapper::configureRawAxes();
|
|
|
|
getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_X, & mRawAxes.x);
|
|
getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_Y, & mRawAxes.y);
|
|
getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_PRESSURE, & mRawAxes.pressure);
|
|
getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_TOOL_WIDTH, & mRawAxes.toolMajor);
|
|
}
|
|
|
|
|
|
// --- MultiTouchInputMapper ---
|
|
|
|
MultiTouchInputMapper::MultiTouchInputMapper(InputDevice* device, int32_t associatedDisplayId) :
|
|
TouchInputMapper(device, associatedDisplayId) {
|
|
initialize();
|
|
}
|
|
|
|
MultiTouchInputMapper::~MultiTouchInputMapper() {
|
|
}
|
|
|
|
void MultiTouchInputMapper::initialize() {
|
|
mAccumulator.clear();
|
|
}
|
|
|
|
void MultiTouchInputMapper::reset() {
|
|
TouchInputMapper::reset();
|
|
|
|
initialize();
|
|
}
|
|
|
|
void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
|
|
switch (rawEvent->type) {
|
|
case EV_ABS: {
|
|
uint32_t pointerIndex = mAccumulator.pointerCount;
|
|
Accumulator::Pointer* pointer = & mAccumulator.pointers[pointerIndex];
|
|
|
|
switch (rawEvent->scanCode) {
|
|
case ABS_MT_POSITION_X:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_POSITION_X;
|
|
pointer->absMTPositionX = rawEvent->value;
|
|
break;
|
|
case ABS_MT_POSITION_Y:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_POSITION_Y;
|
|
pointer->absMTPositionY = rawEvent->value;
|
|
break;
|
|
case ABS_MT_TOUCH_MAJOR:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_TOUCH_MAJOR;
|
|
pointer->absMTTouchMajor = rawEvent->value;
|
|
break;
|
|
case ABS_MT_TOUCH_MINOR:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_TOUCH_MINOR;
|
|
pointer->absMTTouchMinor = rawEvent->value;
|
|
break;
|
|
case ABS_MT_WIDTH_MAJOR:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
|
|
pointer->absMTWidthMajor = rawEvent->value;
|
|
break;
|
|
case ABS_MT_WIDTH_MINOR:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_WIDTH_MINOR;
|
|
pointer->absMTWidthMinor = rawEvent->value;
|
|
break;
|
|
case ABS_MT_ORIENTATION:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_ORIENTATION;
|
|
pointer->absMTOrientation = rawEvent->value;
|
|
break;
|
|
case ABS_MT_TRACKING_ID:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_TRACKING_ID;
|
|
pointer->absMTTrackingId = rawEvent->value;
|
|
break;
|
|
case ABS_MT_PRESSURE:
|
|
pointer->fields |= Accumulator::FIELD_ABS_MT_PRESSURE;
|
|
pointer->absMTPressure = rawEvent->value;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case EV_SYN:
|
|
switch (rawEvent->scanCode) {
|
|
case SYN_MT_REPORT: {
|
|
// MultiTouch Sync: The driver has returned all data for *one* of the pointers.
|
|
uint32_t pointerIndex = mAccumulator.pointerCount;
|
|
|
|
if (mAccumulator.pointers[pointerIndex].fields) {
|
|
if (pointerIndex == MAX_POINTERS) {
|
|
LOGW("MultiTouch device driver returned more than maximum of %d pointers.",
|
|
MAX_POINTERS);
|
|
} else {
|
|
pointerIndex += 1;
|
|
mAccumulator.pointerCount = pointerIndex;
|
|
}
|
|
}
|
|
|
|
mAccumulator.pointers[pointerIndex].clear();
|
|
break;
|
|
}
|
|
|
|
case SYN_REPORT:
|
|
sync(rawEvent->when);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void MultiTouchInputMapper::sync(nsecs_t when) {
|
|
static const uint32_t REQUIRED_FIELDS =
|
|
Accumulator::FIELD_ABS_MT_POSITION_X | Accumulator::FIELD_ABS_MT_POSITION_Y;
|
|
|
|
uint32_t inCount = mAccumulator.pointerCount;
|
|
uint32_t outCount = 0;
|
|
bool havePointerIds = true;
|
|
|
|
mCurrentTouch.clear();
|
|
|
|
for (uint32_t inIndex = 0; inIndex < inCount; inIndex++) {
|
|
const Accumulator::Pointer& inPointer = mAccumulator.pointers[inIndex];
|
|
uint32_t fields = inPointer.fields;
|
|
|
|
if ((fields & REQUIRED_FIELDS) != REQUIRED_FIELDS) {
|
|
// Some drivers send empty MT sync packets without X / Y to indicate a pointer up.
|
|
// Drop this finger.
|
|
continue;
|
|
}
|
|
|
|
PointerData& outPointer = mCurrentTouch.pointers[outCount];
|
|
outPointer.x = inPointer.absMTPositionX;
|
|
outPointer.y = inPointer.absMTPositionY;
|
|
|
|
if (fields & Accumulator::FIELD_ABS_MT_PRESSURE) {
|
|
if (inPointer.absMTPressure <= 0) {
|
|
// Some devices send sync packets with X / Y but with a 0 pressure to indicate
|
|
// a pointer going up. Drop this finger.
|
|
continue;
|
|
}
|
|
outPointer.pressure = inPointer.absMTPressure;
|
|
} else {
|
|
// Default pressure to 0 if absent.
|
|
outPointer.pressure = 0;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_MT_TOUCH_MAJOR) {
|
|
if (inPointer.absMTTouchMajor <= 0) {
|
|
// Some devices send sync packets with X / Y but with a 0 touch major to indicate
|
|
// a pointer going up. Drop this finger.
|
|
continue;
|
|
}
|
|
outPointer.touchMajor = inPointer.absMTTouchMajor;
|
|
} else {
|
|
// Default touch area to 0 if absent.
|
|
outPointer.touchMajor = 0;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_MT_TOUCH_MINOR) {
|
|
outPointer.touchMinor = inPointer.absMTTouchMinor;
|
|
} else {
|
|
// Assume touch area is circular.
|
|
outPointer.touchMinor = outPointer.touchMajor;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_MT_WIDTH_MAJOR) {
|
|
outPointer.toolMajor = inPointer.absMTWidthMajor;
|
|
} else {
|
|
// Default tool area to 0 if absent.
|
|
outPointer.toolMajor = 0;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_MT_WIDTH_MINOR) {
|
|
outPointer.toolMinor = inPointer.absMTWidthMinor;
|
|
} else {
|
|
// Assume tool area is circular.
|
|
outPointer.toolMinor = outPointer.toolMajor;
|
|
}
|
|
|
|
if (fields & Accumulator::FIELD_ABS_MT_ORIENTATION) {
|
|
outPointer.orientation = inPointer.absMTOrientation;
|
|
} else {
|
|
// Default orientation to vertical if absent.
|
|
outPointer.orientation = 0;
|
|
}
|
|
|
|
// Assign pointer id using tracking id if available.
|
|
if (havePointerIds) {
|
|
if (fields & Accumulator::FIELD_ABS_MT_TRACKING_ID) {
|
|
uint32_t id = uint32_t(inPointer.absMTTrackingId);
|
|
|
|
if (id > MAX_POINTER_ID) {
|
|
#if DEBUG_POINTERS
|
|
LOGD("Pointers: Ignoring driver provided pointer id %d because "
|
|
"it is larger than max supported id %d",
|
|
id, MAX_POINTER_ID);
|
|
#endif
|
|
havePointerIds = false;
|
|
}
|
|
else {
|
|
outPointer.id = id;
|
|
mCurrentTouch.idToIndex[id] = outCount;
|
|
mCurrentTouch.idBits.markBit(id);
|
|
}
|
|
} else {
|
|
havePointerIds = false;
|
|
}
|
|
}
|
|
|
|
outCount += 1;
|
|
}
|
|
|
|
mCurrentTouch.pointerCount = outCount;
|
|
|
|
syncTouch(when, havePointerIds);
|
|
|
|
mAccumulator.clear();
|
|
}
|
|
|
|
void MultiTouchInputMapper::configureRawAxes() {
|
|
TouchInputMapper::configureRawAxes();
|
|
|
|
getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_POSITION_X, & mRawAxes.x);
|
|
getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_POSITION_Y, & mRawAxes.y);
|
|
getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_TOUCH_MAJOR, & mRawAxes.touchMajor);
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getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_TOUCH_MINOR, & mRawAxes.touchMinor);
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getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_WIDTH_MAJOR, & mRawAxes.toolMajor);
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getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_WIDTH_MINOR, & mRawAxes.toolMinor);
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getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_ORIENTATION, & mRawAxes.orientation);
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getEventHub()->getAbsoluteAxisInfo(getDeviceId(), ABS_MT_PRESSURE, & mRawAxes.pressure);
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}
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} // namespace android
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