1480 lines
55 KiB
C++
1480 lines
55 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 <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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/** Amount that trackball needs to move in order to generate a key event. */
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#define TRACKBALL_MOVEMENT_THRESHOLD 6
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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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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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// --- 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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configureExcludedDevices();
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resetGlobalMetaState();
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resetDisplayProperties();
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updateExportedVirtualKeyState();
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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.deviceId, & rawEvent.type, & rawEvent.scanCode,
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& rawEvent.keyCode, & rawEvent.flags, & rawEvent.value, & rawEvent.when);
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// Replace the event timestamp so it is in same timebase as java.lang.System.nanoTime()
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// and android.os.SystemClock.uptimeMillis() as expected by the rest of the system.
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rawEvent.when = systemTime(SYSTEM_TIME_MONOTONIC);
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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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handleDeviceAdded(rawEvent);
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break;
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case EventHubInterface::DEVICE_REMOVED:
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handleDeviceRemoved(rawEvent);
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break;
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case EV_SYN:
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handleSync(rawEvent);
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break;
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case EV_KEY:
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handleKey(rawEvent);
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break;
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case EV_REL:
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handleRelativeMotion(rawEvent);
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break;
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case EV_ABS:
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handleAbsoluteMotion(rawEvent);
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break;
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case EV_SW:
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handleSwitch(rawEvent);
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break;
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}
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}
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void InputReader::handleDeviceAdded(const RawEvent* rawEvent) {
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InputDevice* device = getDevice(rawEvent->deviceId);
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if (device) {
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LOGW("Ignoring spurious device added event for deviceId %d.", rawEvent->deviceId);
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return;
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}
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addDevice(rawEvent->when, rawEvent->deviceId);
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}
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void InputReader::handleDeviceRemoved(const RawEvent* rawEvent) {
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InputDevice* device = getDevice(rawEvent->deviceId);
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if (! device) {
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LOGW("Ignoring spurious device removed event for deviceId %d.", rawEvent->deviceId);
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return;
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}
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removeDevice(rawEvent->when, device);
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}
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void InputReader::handleSync(const RawEvent* rawEvent) {
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InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
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if (! device) return;
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if (rawEvent->scanCode == SYN_MT_REPORT) {
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// MultiTouch Sync: The driver has returned all data for *one* of the pointers.
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// We drop pointers with pressure <= 0 since that indicates they are not down.
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if (device->isMultiTouchScreen()) {
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uint32_t pointerIndex = device->multiTouchScreen.accumulator.pointerCount;
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if (device->multiTouchScreen.accumulator.pointers[pointerIndex].fields) {
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if (pointerIndex == MAX_POINTERS) {
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LOGW("MultiTouch device driver returned more than maximum of %d pointers.",
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MAX_POINTERS);
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} else {
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pointerIndex += 1;
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device->multiTouchScreen.accumulator.pointerCount = pointerIndex;
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}
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}
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device->multiTouchScreen.accumulator.pointers[pointerIndex].clear();
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}
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} else if (rawEvent->scanCode == SYN_REPORT) {
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// General Sync: The driver has returned all data for the current event update.
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if (device->isMultiTouchScreen()) {
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if (device->multiTouchScreen.accumulator.isDirty()) {
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onMultiTouchScreenStateChanged(rawEvent->when, device);
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device->multiTouchScreen.accumulator.clear();
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}
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} else if (device->isSingleTouchScreen()) {
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if (device->singleTouchScreen.accumulator.isDirty()) {
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onSingleTouchScreenStateChanged(rawEvent->when, device);
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device->singleTouchScreen.accumulator.clear();
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}
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}
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if (device->trackball.accumulator.isDirty()) {
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onTrackballStateChanged(rawEvent->when, device);
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device->trackball.accumulator.clear();
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}
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}
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}
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void InputReader::handleKey(const RawEvent* rawEvent) {
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InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
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if (! device) return;
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bool down = rawEvent->value != 0;
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int32_t scanCode = rawEvent->scanCode;
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if (device->isSingleTouchScreen()) {
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switch (rawEvent->scanCode) {
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case BTN_TOUCH:
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device->singleTouchScreen.accumulator.fields |=
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InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH;
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device->singleTouchScreen.accumulator.btnTouch = down;
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return;
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}
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}
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if (device->isTrackball()) {
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switch (rawEvent->scanCode) {
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case BTN_MOUSE:
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device->trackball.accumulator.fields |=
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InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
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device->trackball.accumulator.btnMouse = down;
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// Process the trackball change now since we may not receive a sync immediately.
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onTrackballStateChanged(rawEvent->when, device);
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device->trackball.accumulator.clear();
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return;
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}
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}
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if (device->isKeyboard()) {
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int32_t keyCode = rawEvent->keyCode;
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onKey(rawEvent->when, device, down, keyCode, scanCode, rawEvent->flags);
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}
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}
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void InputReader::handleRelativeMotion(const RawEvent* rawEvent) {
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InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
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if (! device) return;
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if (device->isTrackball()) {
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switch (rawEvent->scanCode) {
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case REL_X:
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device->trackball.accumulator.fields |=
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InputDevice::TrackballState::Accumulator::FIELD_REL_X;
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device->trackball.accumulator.relX = rawEvent->value;
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break;
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case REL_Y:
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device->trackball.accumulator.fields |=
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InputDevice::TrackballState::Accumulator::FIELD_REL_Y;
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device->trackball.accumulator.relY = rawEvent->value;
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break;
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}
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}
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}
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void InputReader::handleAbsoluteMotion(const RawEvent* rawEvent) {
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InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
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if (! device) return;
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if (device->isMultiTouchScreen()) {
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uint32_t pointerIndex = device->multiTouchScreen.accumulator.pointerCount;
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InputDevice::MultiTouchScreenState::Accumulator::Pointer* pointer =
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& device->multiTouchScreen.accumulator.pointers[pointerIndex];
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switch (rawEvent->scanCode) {
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case ABS_MT_POSITION_X:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_X;
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pointer->absMTPositionX = rawEvent->value;
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break;
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case ABS_MT_POSITION_Y:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_Y;
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pointer->absMTPositionY = rawEvent->value;
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break;
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case ABS_MT_TOUCH_MAJOR:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MAJOR;
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pointer->absMTTouchMajor = rawEvent->value;
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break;
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case ABS_MT_TOUCH_MINOR:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MINOR;
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pointer->absMTTouchMinor = rawEvent->value;
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break;
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case ABS_MT_WIDTH_MAJOR:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
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pointer->absMTWidthMajor = rawEvent->value;
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break;
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case ABS_MT_WIDTH_MINOR:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MINOR;
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pointer->absMTWidthMinor = rawEvent->value;
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break;
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case ABS_MT_ORIENTATION:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_ORIENTATION;
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pointer->absMTOrientation = rawEvent->value;
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break;
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case ABS_MT_TRACKING_ID:
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pointer->fields |=
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TRACKING_ID;
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pointer->absMTTrackingId = rawEvent->value;
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break;
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}
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} else if (device->isSingleTouchScreen()) {
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switch (rawEvent->scanCode) {
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case ABS_X:
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device->singleTouchScreen.accumulator.fields |=
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InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_X;
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device->singleTouchScreen.accumulator.absX = rawEvent->value;
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break;
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case ABS_Y:
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device->singleTouchScreen.accumulator.fields |=
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InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_Y;
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device->singleTouchScreen.accumulator.absY = rawEvent->value;
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break;
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case ABS_PRESSURE:
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device->singleTouchScreen.accumulator.fields |=
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InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_PRESSURE;
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device->singleTouchScreen.accumulator.absPressure = rawEvent->value;
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break;
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case ABS_TOOL_WIDTH:
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device->singleTouchScreen.accumulator.fields |=
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InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_TOOL_WIDTH;
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device->singleTouchScreen.accumulator.absToolWidth = rawEvent->value;
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break;
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}
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}
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}
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void InputReader::handleSwitch(const RawEvent* rawEvent) {
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InputDevice* device = getNonIgnoredDevice(rawEvent->deviceId);
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if (! device) return;
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onSwitch(rawEvent->when, device, rawEvent->scanCode, rawEvent->value);
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}
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void InputReader::onKey(nsecs_t when, InputDevice* device,
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bool down, int32_t keyCode, int32_t scanCode, uint32_t policyFlags) {
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/* Refresh display properties so we can rotate key codes according to display orientation */
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if (! refreshDisplayProperties()) {
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return;
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}
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/* Update device state */
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int32_t oldMetaState = device->keyboard.current.metaState;
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int32_t newMetaState = updateMetaState(keyCode, down, oldMetaState);
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if (oldMetaState != newMetaState) {
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device->keyboard.current.metaState = newMetaState;
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resetGlobalMetaState();
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}
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// FIXME if we send a down event about a rotated key press we should ensure that we send
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// a corresponding up event about the rotated key press even if the orientation
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// has changed in the meantime
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keyCode = rotateKeyCode(keyCode, mDisplayOrientation);
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if (down) {
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device->keyboard.current.downTime = when;
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}
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/* Apply policy */
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int32_t policyActions = mPolicy->interceptKey(when, device->id,
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down, keyCode, scanCode, policyFlags);
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if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
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return; // event dropped
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}
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/* Enqueue key event for dispatch */
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int32_t keyEventAction;
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if (down) {
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device->keyboard.current.downTime = when;
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keyEventAction = AKEY_EVENT_ACTION_DOWN;
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} else {
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keyEventAction = AKEY_EVENT_ACTION_UP;
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}
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int32_t keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM;
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if (policyActions & InputReaderPolicyInterface::ACTION_WOKE_HERE) {
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keyEventFlags = keyEventFlags | AKEY_EVENT_FLAG_WOKE_HERE;
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}
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mDispatcher->notifyKey(when, device->id, AINPUT_SOURCE_KEYBOARD, policyFlags,
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keyEventAction, keyEventFlags, keyCode, scanCode,
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device->keyboard.current.metaState,
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device->keyboard.current.downTime);
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}
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void InputReader::onSwitch(nsecs_t when, InputDevice* device, int32_t switchCode,
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int32_t switchValue) {
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int32_t policyActions = mPolicy->interceptSwitch(when, switchCode, switchValue);
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uint32_t policyFlags = 0;
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applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags);
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}
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void InputReader::onMultiTouchScreenStateChanged(nsecs_t when,
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InputDevice* device) {
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static const uint32_t REQUIRED_FIELDS =
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InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_X
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| InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_POSITION_Y
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| InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MAJOR
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| InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MAJOR;
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/* Refresh display properties so we can map touch screen coords into display coords */
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if (! refreshDisplayProperties()) {
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return;
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}
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/* Update device state */
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InputDevice::MultiTouchScreenState* in = & device->multiTouchScreen;
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InputDevice::TouchData* out = & device->touchScreen.currentTouch;
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uint32_t inCount = in->accumulator.pointerCount;
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uint32_t outCount = 0;
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bool havePointerIds = true;
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out->clear();
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for (uint32_t inIndex = 0; inIndex < inCount; inIndex++) {
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uint32_t fields = in->accumulator.pointers[inIndex].fields;
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if ((fields & REQUIRED_FIELDS) != REQUIRED_FIELDS) {
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#if DEBUG_POINTERS
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LOGD("Pointers: Missing required multitouch pointer fields: index=%d, fields=%d",
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inIndex, fields);
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continue;
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#endif
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}
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|
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if (in->accumulator.pointers[inIndex].absMTTouchMajor <= 0) {
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// Pointer is not down. Drop it.
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continue;
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}
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out->pointers[outCount].x = in->accumulator.pointers[inIndex].absMTPositionX;
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out->pointers[outCount].y = in->accumulator.pointers[inIndex].absMTPositionY;
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out->pointers[outCount].touchMajor = in->accumulator.pointers[inIndex].absMTTouchMajor;
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out->pointers[outCount].touchMinor = (fields
|
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& InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_TOUCH_MINOR) != 0
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? in->accumulator.pointers[inIndex].absMTTouchMinor
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: in->accumulator.pointers[inIndex].absMTTouchMajor;
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|
|
|
out->pointers[outCount].toolMajor = in->accumulator.pointers[inIndex].absMTWidthMajor;
|
|
out->pointers[outCount].toolMinor = (fields
|
|
& InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_WIDTH_MINOR) != 0
|
|
? in->accumulator.pointers[inIndex].absMTWidthMinor
|
|
: in->accumulator.pointers[inIndex].absMTWidthMajor;
|
|
|
|
out->pointers[outCount].orientation = (fields
|
|
& InputDevice::MultiTouchScreenState::Accumulator::FIELD_ABS_MT_ORIENTATION) != 0
|
|
? in->accumulator.pointers[inIndex].absMTOrientation : 0;
|
|
|
|
// Derive an approximation of pressure and size.
|
|
// FIXME assignment of pressure may be incorrect, probably better to let
|
|
// pressure = touch / width. Later on we pass width to MotionEvent as a size, which
|
|
// isn't quite right either. Should be using touch for that.
|
|
out->pointers[outCount].pressure = in->accumulator.pointers[inIndex].absMTTouchMajor;
|
|
out->pointers[outCount].size = in->accumulator.pointers[inIndex].absMTWidthMajor;
|
|
|
|
if (havePointerIds) {
|
|
if (fields & InputDevice::MultiTouchScreenState::Accumulator::
|
|
FIELD_ABS_MT_TRACKING_ID) {
|
|
uint32_t id = uint32_t(in->accumulator.pointers[inIndex].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 for optimizations",
|
|
id, MAX_POINTER_ID);
|
|
#endif
|
|
havePointerIds = false;
|
|
}
|
|
else {
|
|
out->pointers[outCount].id = id;
|
|
out->idToIndex[id] = outCount;
|
|
out->idBits.markBit(id);
|
|
}
|
|
} else {
|
|
havePointerIds = false;
|
|
}
|
|
}
|
|
|
|
outCount += 1;
|
|
}
|
|
|
|
out->pointerCount = outCount;
|
|
|
|
onTouchScreenChanged(when, device, havePointerIds);
|
|
}
|
|
|
|
void InputReader::onSingleTouchScreenStateChanged(nsecs_t when,
|
|
InputDevice* device) {
|
|
/* Refresh display properties so we can map touch screen coords into display coords */
|
|
|
|
if (! refreshDisplayProperties()) {
|
|
return;
|
|
}
|
|
|
|
/* Update device state */
|
|
|
|
InputDevice::SingleTouchScreenState* in = & device->singleTouchScreen;
|
|
InputDevice::TouchData* out = & device->touchScreen.currentTouch;
|
|
|
|
uint32_t fields = in->accumulator.fields;
|
|
|
|
if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH) {
|
|
in->current.down = in->accumulator.btnTouch;
|
|
}
|
|
|
|
if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_X) {
|
|
in->current.x = in->accumulator.absX;
|
|
}
|
|
|
|
if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_Y) {
|
|
in->current.y = in->accumulator.absY;
|
|
}
|
|
|
|
if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_PRESSURE) {
|
|
in->current.pressure = in->accumulator.absPressure;
|
|
}
|
|
|
|
if (fields & InputDevice::SingleTouchScreenState::Accumulator::FIELD_ABS_TOOL_WIDTH) {
|
|
in->current.size = in->accumulator.absToolWidth;
|
|
}
|
|
|
|
out->clear();
|
|
|
|
if (in->current.down) {
|
|
out->pointerCount = 1;
|
|
out->pointers[0].id = 0;
|
|
out->pointers[0].x = in->current.x;
|
|
out->pointers[0].y = in->current.y;
|
|
out->pointers[0].pressure = in->current.pressure;
|
|
out->pointers[0].size = in->current.size;
|
|
out->pointers[0].touchMajor = in->current.pressure;
|
|
out->pointers[0].touchMinor = in->current.pressure;
|
|
out->pointers[0].toolMajor = in->current.size;
|
|
out->pointers[0].toolMinor = in->current.size;
|
|
out->pointers[0].orientation = 0;
|
|
out->idToIndex[0] = 0;
|
|
out->idBits.markBit(0);
|
|
}
|
|
|
|
onTouchScreenChanged(when, device, true);
|
|
}
|
|
|
|
void InputReader::onTouchScreenChanged(nsecs_t when,
|
|
InputDevice* device, bool havePointerIds) {
|
|
/* Apply policy */
|
|
|
|
int32_t policyActions = mPolicy->interceptTouch(when);
|
|
|
|
uint32_t policyFlags = 0;
|
|
if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
|
|
device->touchScreen.lastTouch.clear();
|
|
return; // event dropped
|
|
}
|
|
|
|
/* Preprocess pointer data */
|
|
|
|
if (device->touchScreen.parameters.useBadTouchFilter) {
|
|
if (device->touchScreen.applyBadTouchFilter()) {
|
|
havePointerIds = false;
|
|
}
|
|
}
|
|
|
|
if (device->touchScreen.parameters.useJumpyTouchFilter) {
|
|
if (device->touchScreen.applyJumpyTouchFilter()) {
|
|
havePointerIds = false;
|
|
}
|
|
}
|
|
|
|
if (! havePointerIds) {
|
|
device->touchScreen.calculatePointerIds();
|
|
}
|
|
|
|
InputDevice::TouchData temp;
|
|
InputDevice::TouchData* savedTouch;
|
|
if (device->touchScreen.parameters.useAveragingTouchFilter) {
|
|
temp.copyFrom(device->touchScreen.currentTouch);
|
|
savedTouch = & temp;
|
|
|
|
device->touchScreen.applyAveragingTouchFilter();
|
|
} else {
|
|
savedTouch = & device->touchScreen.currentTouch;
|
|
}
|
|
|
|
/* Process virtual keys or touches */
|
|
|
|
if (! consumeVirtualKeyTouches(when, device, policyFlags)) {
|
|
dispatchTouches(when, device, policyFlags);
|
|
}
|
|
|
|
// Copy current touch to last touch in preparation for the next cycle.
|
|
device->touchScreen.lastTouch.copyFrom(*savedTouch);
|
|
}
|
|
|
|
bool InputReader::consumeVirtualKeyTouches(nsecs_t when,
|
|
InputDevice* device, uint32_t policyFlags) {
|
|
switch (device->touchScreen.currentVirtualKey.status) {
|
|
case InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_CANCELED:
|
|
if (device->touchScreen.currentTouch.pointerCount == 0) {
|
|
// Pointer went up after virtual key canceled.
|
|
device->touchScreen.currentVirtualKey.status =
|
|
InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_UP;
|
|
}
|
|
return true; // consumed
|
|
|
|
case InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_DOWN:
|
|
if (device->touchScreen.currentTouch.pointerCount == 0) {
|
|
// Pointer went up while virtual key was down.
|
|
device->touchScreen.currentVirtualKey.status =
|
|
InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_UP;
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
LOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
|
|
device->touchScreen.currentVirtualKey.keyCode,
|
|
device->touchScreen.currentVirtualKey.scanCode);
|
|
#endif
|
|
dispatchVirtualKey(when, device, policyFlags, AKEY_EVENT_ACTION_UP,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
|
|
return true; // consumed
|
|
}
|
|
|
|
if (device->touchScreen.currentTouch.pointerCount == 1) {
|
|
const InputDevice::VirtualKey* virtualKey = device->touchScreen.findVirtualKeyHit();
|
|
if (virtualKey
|
|
&& virtualKey->keyCode == device->touchScreen.currentVirtualKey.keyCode) {
|
|
// Pointer is still within the space of the virtual key.
|
|
return true; // consumed
|
|
}
|
|
}
|
|
|
|
// Pointer left virtual key area or another pointer also went down.
|
|
// Send key cancellation.
|
|
device->touchScreen.currentVirtualKey.status =
|
|
InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_CANCELED;
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
LOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
|
|
device->touchScreen.currentVirtualKey.keyCode,
|
|
device->touchScreen.currentVirtualKey.scanCode);
|
|
#endif
|
|
dispatchVirtualKey(when, device, policyFlags, AKEY_EVENT_ACTION_UP,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
|
|
| AKEY_EVENT_FLAG_CANCELED);
|
|
return true; // consumed
|
|
|
|
default:
|
|
if (device->touchScreen.currentTouch.pointerCount == 1
|
|
&& device->touchScreen.lastTouch.pointerCount == 0) {
|
|
// Pointer just went down. Check for virtual key hit.
|
|
const InputDevice::VirtualKey* virtualKey = device->touchScreen.findVirtualKeyHit();
|
|
if (virtualKey) {
|
|
device->touchScreen.currentVirtualKey.status =
|
|
InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_DOWN;
|
|
device->touchScreen.currentVirtualKey.downTime = when;
|
|
device->touchScreen.currentVirtualKey.keyCode = virtualKey->keyCode;
|
|
device->touchScreen.currentVirtualKey.scanCode = virtualKey->scanCode;
|
|
#if DEBUG_VIRTUAL_KEYS
|
|
LOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
|
|
device->touchScreen.currentVirtualKey.keyCode,
|
|
device->touchScreen.currentVirtualKey.scanCode);
|
|
#endif
|
|
dispatchVirtualKey(when, device, policyFlags, AKEY_EVENT_ACTION_DOWN,
|
|
AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
|
|
return true; // consumed
|
|
}
|
|
}
|
|
return false; // not consumed
|
|
}
|
|
}
|
|
|
|
void InputReader::dispatchVirtualKey(nsecs_t when,
|
|
InputDevice* device, uint32_t policyFlags,
|
|
int32_t keyEventAction, int32_t keyEventFlags) {
|
|
updateExportedVirtualKeyState();
|
|
|
|
int32_t keyCode = device->touchScreen.currentVirtualKey.keyCode;
|
|
int32_t scanCode = device->touchScreen.currentVirtualKey.scanCode;
|
|
nsecs_t downTime = device->touchScreen.currentVirtualKey.downTime;
|
|
int32_t metaState = globalMetaState();
|
|
|
|
if (keyEventAction == AKEY_EVENT_ACTION_DOWN) {
|
|
mPolicy->virtualKeyDownFeedback();
|
|
}
|
|
|
|
int32_t policyActions = mPolicy->interceptKey(when, device->id,
|
|
keyEventAction == AKEY_EVENT_ACTION_DOWN, keyCode, scanCode, policyFlags);
|
|
|
|
if (applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
|
|
mDispatcher->notifyKey(when, device->id, AINPUT_SOURCE_KEYBOARD, policyFlags,
|
|
keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
|
|
}
|
|
}
|
|
|
|
void InputReader::dispatchTouches(nsecs_t when,
|
|
InputDevice* device, uint32_t policyFlags) {
|
|
uint32_t currentPointerCount = device->touchScreen.currentTouch.pointerCount;
|
|
uint32_t lastPointerCount = device->touchScreen.lastTouch.pointerCount;
|
|
if (currentPointerCount == 0 && lastPointerCount == 0) {
|
|
return; // nothing to do!
|
|
}
|
|
|
|
BitSet32 currentIdBits = device->touchScreen.currentTouch.idBits;
|
|
BitSet32 lastIdBits = device->touchScreen.lastTouch.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, device, policyFlags, & device->touchScreen.currentTouch,
|
|
currentIdBits, -1, motionEventAction);
|
|
} else {
|
|
// There may be pointers going up and pointers going down at the same time when pointer
|
|
// ids are reported by the device driver.
|
|
BitSet32 upIdBits(lastIdBits.value & ~ currentIdBits.value);
|
|
BitSet32 downIdBits(currentIdBits.value & ~ lastIdBits.value);
|
|
BitSet32 activeIdBits(lastIdBits.value);
|
|
|
|
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, device, policyFlags, & device->touchScreen.lastTouch,
|
|
oldActiveIdBits, upId, motionEventAction);
|
|
}
|
|
|
|
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;
|
|
device->touchScreen.downTime = when;
|
|
} else {
|
|
motionEventAction = AMOTION_EVENT_ACTION_POINTER_DOWN;
|
|
}
|
|
|
|
dispatchTouch(when, device, policyFlags, & device->touchScreen.currentTouch,
|
|
activeIdBits, downId, motionEventAction);
|
|
}
|
|
}
|
|
}
|
|
|
|
void InputReader::dispatchTouch(nsecs_t when, InputDevice* device, uint32_t policyFlags,
|
|
InputDevice::TouchData* touch, BitSet32 idBits, uint32_t changedId,
|
|
int32_t motionEventAction) {
|
|
int32_t orientedWidth, orientedHeight;
|
|
switch (mDisplayOrientation) {
|
|
case InputReaderPolicyInterface::ROTATION_90:
|
|
case InputReaderPolicyInterface::ROTATION_270:
|
|
orientedWidth = mDisplayHeight;
|
|
orientedHeight = mDisplayWidth;
|
|
break;
|
|
default:
|
|
orientedWidth = mDisplayWidth;
|
|
orientedHeight = mDisplayHeight;
|
|
break;
|
|
}
|
|
|
|
uint32_t pointerCount = 0;
|
|
int32_t pointerIds[MAX_POINTERS];
|
|
PointerCoords pointerCoords[MAX_POINTERS];
|
|
|
|
const InputDevice::TouchScreenState::Precalculated& precalculated =
|
|
device->touchScreen.precalculated;
|
|
|
|
// Walk through the the active pointers and map touch screen coordinates (TouchData) into
|
|
// display coordinates (PointerCoords) and adjust for display orientation.
|
|
while (! idBits.isEmpty()) {
|
|
uint32_t id = idBits.firstMarkedBit();
|
|
idBits.clearBit(id);
|
|
uint32_t index = touch->idToIndex[id];
|
|
|
|
float x = float(touch->pointers[index].x
|
|
- precalculated.xOrigin) * precalculated.xScale;
|
|
float y = float(touch->pointers[index].y
|
|
- precalculated.yOrigin) * precalculated.yScale;
|
|
float pressure = float(touch->pointers[index].pressure
|
|
- precalculated.pressureOrigin) * precalculated.pressureScale;
|
|
float size = float(touch->pointers[index].size
|
|
- precalculated.sizeOrigin) * precalculated.sizeScale;
|
|
|
|
float orientation = float(touch->pointers[index].orientation)
|
|
* precalculated.orientationScale;
|
|
|
|
bool vertical = abs(orientation) <= M_PI / 8;
|
|
|
|
switch (mDisplayOrientation) {
|
|
case InputReaderPolicyInterface::ROTATION_90: {
|
|
float xTemp = x;
|
|
x = y;
|
|
y = mDisplayWidth - xTemp;
|
|
vertical = ! vertical;
|
|
break;
|
|
}
|
|
case InputReaderPolicyInterface::ROTATION_180: {
|
|
x = mDisplayWidth - x;
|
|
y = mDisplayHeight - y;
|
|
break;
|
|
}
|
|
case InputReaderPolicyInterface::ROTATION_270: {
|
|
float xTemp = x;
|
|
x = mDisplayHeight - y;
|
|
y = xTemp;
|
|
vertical = ! vertical;
|
|
break;
|
|
}
|
|
}
|
|
|
|
float touchMajor, touchMinor, toolMajor, toolMinor;
|
|
if (vertical) {
|
|
touchMajor = float(touch->pointers[index].touchMajor) * precalculated.yScale;
|
|
touchMinor = float(touch->pointers[index].touchMinor) * precalculated.xScale;
|
|
toolMajor = float(touch->pointers[index].toolMajor) * precalculated.yScale;
|
|
toolMinor = float(touch->pointers[index].toolMinor) * precalculated.xScale;
|
|
} else {
|
|
touchMajor = float(touch->pointers[index].touchMajor) * precalculated.xScale;
|
|
touchMinor = float(touch->pointers[index].touchMinor) * precalculated.yScale;
|
|
toolMajor = float(touch->pointers[index].toolMajor) * precalculated.xScale;
|
|
toolMinor = float(touch->pointers[index].toolMinor) * precalculated.yScale;
|
|
}
|
|
|
|
pointerIds[pointerCount] = int32_t(id);
|
|
|
|
pointerCoords[pointerCount].x = x;
|
|
pointerCoords[pointerCount].y = y;
|
|
pointerCoords[pointerCount].pressure = pressure;
|
|
pointerCoords[pointerCount].size = size;
|
|
pointerCoords[pointerCount].touchMajor = touchMajor;
|
|
pointerCoords[pointerCount].touchMinor = touchMinor;
|
|
pointerCoords[pointerCount].toolMajor = toolMajor;
|
|
pointerCoords[pointerCount].toolMinor = toolMinor;
|
|
pointerCoords[pointerCount].orientation = orientation;
|
|
|
|
if (id == changedId) {
|
|
motionEventAction |= pointerCount << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
|
|
}
|
|
|
|
pointerCount += 1;
|
|
}
|
|
|
|
// Check edge flags by looking only at the first pointer since the flags are
|
|
// global to the event.
|
|
int32_t motionEventEdgeFlags = 0;
|
|
if (motionEventAction == AMOTION_EVENT_ACTION_DOWN) {
|
|
if (pointerCoords[0].x <= 0) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_LEFT;
|
|
} else if (pointerCoords[0].x >= orientedWidth) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_RIGHT;
|
|
}
|
|
if (pointerCoords[0].y <= 0) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_TOP;
|
|
} else if (pointerCoords[0].y >= orientedHeight) {
|
|
motionEventEdgeFlags |= AMOTION_EVENT_EDGE_FLAG_BOTTOM;
|
|
}
|
|
}
|
|
|
|
nsecs_t downTime = device->touchScreen.downTime;
|
|
mDispatcher->notifyMotion(when, device->id, AINPUT_SOURCE_TOUCHSCREEN, policyFlags,
|
|
motionEventAction, globalMetaState(), motionEventEdgeFlags,
|
|
pointerCount, pointerIds, pointerCoords,
|
|
0, 0, downTime);
|
|
}
|
|
|
|
void InputReader::onTrackballStateChanged(nsecs_t when,
|
|
InputDevice* device) {
|
|
static const uint32_t DELTA_FIELDS =
|
|
InputDevice::TrackballState::Accumulator::FIELD_REL_X
|
|
| InputDevice::TrackballState::Accumulator::FIELD_REL_Y;
|
|
|
|
/* Refresh display properties so we can trackball moves according to display orientation */
|
|
|
|
if (! refreshDisplayProperties()) {
|
|
return;
|
|
}
|
|
|
|
/* Update device state */
|
|
|
|
uint32_t fields = device->trackball.accumulator.fields;
|
|
bool downChanged = fields & InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
|
|
bool deltaChanged = fields & DELTA_FIELDS;
|
|
|
|
bool down;
|
|
if (downChanged) {
|
|
if (device->trackball.accumulator.btnMouse) {
|
|
device->trackball.current.down = true;
|
|
device->trackball.current.downTime = when;
|
|
down = true;
|
|
} else {
|
|
device->trackball.current.down = false;
|
|
down = false;
|
|
}
|
|
} else {
|
|
down = device->trackball.current.down;
|
|
}
|
|
|
|
/* Apply policy */
|
|
|
|
int32_t policyActions = mPolicy->interceptTrackball(when, downChanged, down, deltaChanged);
|
|
|
|
uint32_t policyFlags = 0;
|
|
if (! applyStandardInputDispatchPolicyActions(when, policyActions, & policyFlags)) {
|
|
return; // event dropped
|
|
}
|
|
|
|
/* Enqueue motion event for dispatch */
|
|
|
|
int32_t motionEventAction;
|
|
if (downChanged) {
|
|
motionEventAction = down ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
|
|
} else {
|
|
motionEventAction = AMOTION_EVENT_ACTION_MOVE;
|
|
}
|
|
|
|
int32_t pointerId = 0;
|
|
PointerCoords pointerCoords;
|
|
pointerCoords.x = fields & InputDevice::TrackballState::Accumulator::FIELD_REL_X
|
|
? device->trackball.accumulator.relX * device->trackball.precalculated.xScale : 0;
|
|
pointerCoords.y = fields & InputDevice::TrackballState::Accumulator::FIELD_REL_Y
|
|
? device->trackball.accumulator.relY * device->trackball.precalculated.yScale : 0;
|
|
pointerCoords.pressure = 1.0f; // XXX Consider making this 1.0f if down, 0 otherwise.
|
|
pointerCoords.size = 0;
|
|
pointerCoords.touchMajor = 0;
|
|
pointerCoords.touchMinor = 0;
|
|
pointerCoords.toolMajor = 0;
|
|
pointerCoords.toolMinor = 0;
|
|
pointerCoords.orientation = 0;
|
|
|
|
float temp;
|
|
switch (mDisplayOrientation) {
|
|
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;
|
|
}
|
|
|
|
mDispatcher->notifyMotion(when, device->id, AINPUT_SOURCE_TRACKBALL, policyFlags,
|
|
motionEventAction, globalMetaState(), AMOTION_EVENT_EDGE_FLAG_NONE,
|
|
1, & pointerId, & pointerCoords,
|
|
device->trackball.precalculated.xPrecision,
|
|
device->trackball.precalculated.yPrecision,
|
|
device->trackball.current.downTime);
|
|
}
|
|
|
|
void InputReader::onConfigurationChanged(nsecs_t when) {
|
|
// Reset global meta state because it depends on the list of all configured devices.
|
|
resetGlobalMetaState();
|
|
|
|
// Reset virtual keys, just in case.
|
|
updateExportedVirtualKeyState();
|
|
|
|
// Update input configuration.
|
|
updateExportedInputConfiguration();
|
|
|
|
// Enqueue configuration changed.
|
|
mDispatcher->notifyConfigurationChanged(when);
|
|
}
|
|
|
|
bool InputReader::applyStandardInputDispatchPolicyActions(nsecs_t when,
|
|
int32_t policyActions, uint32_t* policyFlags) {
|
|
if (policyActions & InputReaderPolicyInterface::ACTION_APP_SWITCH_COMING) {
|
|
mDispatcher->notifyAppSwitchComing(when);
|
|
}
|
|
|
|
if (policyActions & InputReaderPolicyInterface::ACTION_WOKE_HERE) {
|
|
*policyFlags |= POLICY_FLAG_WOKE_HERE;
|
|
}
|
|
|
|
if (policyActions & InputReaderPolicyInterface::ACTION_BRIGHT_HERE) {
|
|
*policyFlags |= POLICY_FLAG_BRIGHT_HERE;
|
|
}
|
|
|
|
return policyActions & InputReaderPolicyInterface::ACTION_DISPATCH;
|
|
}
|
|
|
|
void InputReader::resetDisplayProperties() {
|
|
mDisplayWidth = mDisplayHeight = -1;
|
|
mDisplayOrientation = -1;
|
|
}
|
|
|
|
bool InputReader::refreshDisplayProperties() {
|
|
int32_t newWidth, newHeight, newOrientation;
|
|
if (mPolicy->getDisplayInfo(0, & newWidth, & newHeight, & newOrientation)) {
|
|
if (newWidth != mDisplayWidth || newHeight != mDisplayHeight) {
|
|
LOGD("Display size changed from %dx%d to %dx%d, updating device configuration",
|
|
mDisplayWidth, mDisplayHeight, newWidth, newHeight);
|
|
|
|
mDisplayWidth = newWidth;
|
|
mDisplayHeight = newHeight;
|
|
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
configureDeviceForCurrentDisplaySize(mDevices.valueAt(i));
|
|
}
|
|
}
|
|
|
|
if (newOrientation != mDisplayOrientation) {
|
|
LOGD("Display orientation changed to %d", mDisplayOrientation);
|
|
|
|
mDisplayOrientation = newOrientation;
|
|
}
|
|
return true;
|
|
} else {
|
|
resetDisplayProperties();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
InputDevice* InputReader::getDevice(int32_t deviceId) {
|
|
ssize_t index = mDevices.indexOfKey(deviceId);
|
|
return index >= 0 ? mDevices.valueAt((size_t) index) : NULL;
|
|
}
|
|
|
|
InputDevice* InputReader::getNonIgnoredDevice(int32_t deviceId) {
|
|
InputDevice* device = getDevice(deviceId);
|
|
return device && ! device->ignored ? device : NULL;
|
|
}
|
|
|
|
void InputReader::addDevice(nsecs_t when, int32_t deviceId) {
|
|
uint32_t classes = mEventHub->getDeviceClasses(deviceId);
|
|
String8 name = mEventHub->getDeviceName(deviceId);
|
|
InputDevice* device = new InputDevice(deviceId, classes, name);
|
|
|
|
if (classes != 0) {
|
|
LOGI("Device added: id=0x%x, name=%s, classes=%02x", device->id,
|
|
device->name.string(), device->classes);
|
|
|
|
configureDevice(device);
|
|
} else {
|
|
LOGI("Device added: id=0x%x, name=%s (ignored non-input device)", device->id,
|
|
device->name.string());
|
|
|
|
device->ignored = true;
|
|
}
|
|
|
|
device->reset();
|
|
|
|
mDevices.add(deviceId, device);
|
|
|
|
if (! device->ignored) {
|
|
onConfigurationChanged(when);
|
|
}
|
|
}
|
|
|
|
void InputReader::removeDevice(nsecs_t when, InputDevice* device) {
|
|
mDevices.removeItem(device->id);
|
|
|
|
if (! device->ignored) {
|
|
LOGI("Device removed: id=0x%x, name=%s, classes=%02x", device->id,
|
|
device->name.string(), device->classes);
|
|
|
|
onConfigurationChanged(when);
|
|
} else {
|
|
LOGI("Device removed: id=0x%x, name=%s (ignored non-input device)", device->id,
|
|
device->name.string());
|
|
}
|
|
|
|
delete device;
|
|
}
|
|
|
|
void InputReader::configureDevice(InputDevice* device) {
|
|
if (device->isMultiTouchScreen()) {
|
|
configureAbsoluteAxisInfo(device, ABS_MT_POSITION_X, "X",
|
|
& device->touchScreen.parameters.xAxis);
|
|
configureAbsoluteAxisInfo(device, ABS_MT_POSITION_Y, "Y",
|
|
& device->touchScreen.parameters.yAxis);
|
|
configureAbsoluteAxisInfo(device, ABS_MT_TOUCH_MAJOR, "Pressure",
|
|
& device->touchScreen.parameters.pressureAxis);
|
|
configureAbsoluteAxisInfo(device, ABS_MT_WIDTH_MAJOR, "Size",
|
|
& device->touchScreen.parameters.sizeAxis);
|
|
configureAbsoluteAxisInfo(device, ABS_MT_ORIENTATION, "Orientation",
|
|
& device->touchScreen.parameters.orientationAxis);
|
|
} else if (device->isSingleTouchScreen()) {
|
|
configureAbsoluteAxisInfo(device, ABS_X, "X",
|
|
& device->touchScreen.parameters.xAxis);
|
|
configureAbsoluteAxisInfo(device, ABS_Y, "Y",
|
|
& device->touchScreen.parameters.yAxis);
|
|
configureAbsoluteAxisInfo(device, ABS_PRESSURE, "Pressure",
|
|
& device->touchScreen.parameters.pressureAxis);
|
|
configureAbsoluteAxisInfo(device, ABS_TOOL_WIDTH, "Size",
|
|
& device->touchScreen.parameters.sizeAxis);
|
|
device->touchScreen.parameters.orientationAxis.valid = false;
|
|
}
|
|
|
|
if (device->isTouchScreen()) {
|
|
device->touchScreen.parameters.useBadTouchFilter =
|
|
mPolicy->filterTouchEvents();
|
|
device->touchScreen.parameters.useAveragingTouchFilter =
|
|
mPolicy->filterTouchEvents();
|
|
device->touchScreen.parameters.useJumpyTouchFilter =
|
|
mPolicy->filterJumpyTouchEvents();
|
|
|
|
if (device->touchScreen.parameters.pressureAxis.valid) {
|
|
device->touchScreen.precalculated.pressureOrigin =
|
|
device->touchScreen.parameters.pressureAxis.minValue;
|
|
device->touchScreen.precalculated.pressureScale =
|
|
1.0f / device->touchScreen.parameters.pressureAxis.range;
|
|
} else {
|
|
device->touchScreen.precalculated.pressureOrigin = 0;
|
|
device->touchScreen.precalculated.pressureScale = 1.0f;
|
|
}
|
|
|
|
if (device->touchScreen.parameters.sizeAxis.valid) {
|
|
device->touchScreen.precalculated.sizeOrigin =
|
|
device->touchScreen.parameters.sizeAxis.minValue;
|
|
device->touchScreen.precalculated.sizeScale =
|
|
1.0f / device->touchScreen.parameters.sizeAxis.range;
|
|
} else {
|
|
device->touchScreen.precalculated.sizeOrigin = 0;
|
|
device->touchScreen.precalculated.sizeScale = 1.0f;
|
|
}
|
|
|
|
if (device->touchScreen.parameters.orientationAxis.valid
|
|
&& device->touchScreen.parameters.orientationAxis.maxValue > 0) {
|
|
device->touchScreen.precalculated.orientationScale =
|
|
M_PI_4 / device->touchScreen.parameters.orientationAxis.maxValue;
|
|
} else {
|
|
device->touchScreen.precalculated.orientationScale = 0.0f;
|
|
}
|
|
}
|
|
|
|
if (device->isTrackball()) {
|
|
device->trackball.precalculated.xPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
|
|
device->trackball.precalculated.yPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
|
|
device->trackball.precalculated.xScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
|
|
device->trackball.precalculated.yScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
|
|
}
|
|
|
|
configureDeviceForCurrentDisplaySize(device);
|
|
}
|
|
|
|
void InputReader::configureDeviceForCurrentDisplaySize(InputDevice* device) {
|
|
if (device->isTouchScreen()) {
|
|
if (device->touchScreen.parameters.xAxis.valid
|
|
&& device->touchScreen.parameters.yAxis.valid) {
|
|
device->touchScreen.precalculated.xOrigin =
|
|
device->touchScreen.parameters.xAxis.minValue;
|
|
device->touchScreen.precalculated.yOrigin =
|
|
device->touchScreen.parameters.yAxis.minValue;
|
|
|
|
if (mDisplayWidth < 0) {
|
|
LOGD("Skipping part of touch screen configuration since display size is unknown.");
|
|
|
|
device->touchScreen.precalculated.xScale = 1.0f;
|
|
device->touchScreen.precalculated.yScale = 1.0f;
|
|
} else {
|
|
LOGI("Device configured: id=0x%x, name=%s (display size was changed)", device->id,
|
|
device->name.string());
|
|
|
|
device->touchScreen.precalculated.xScale =
|
|
float(mDisplayWidth) / device->touchScreen.parameters.xAxis.range;
|
|
device->touchScreen.precalculated.yScale =
|
|
float(mDisplayHeight) / device->touchScreen.parameters.yAxis.range;
|
|
|
|
configureVirtualKeys(device);
|
|
}
|
|
} else {
|
|
device->touchScreen.precalculated.xOrigin = 0;
|
|
device->touchScreen.precalculated.xScale = 1.0f;
|
|
device->touchScreen.precalculated.yOrigin = 0;
|
|
device->touchScreen.precalculated.yScale = 1.0f;
|
|
}
|
|
}
|
|
}
|
|
|
|
void InputReader::configureVirtualKeys(InputDevice* device) {
|
|
assert(device->touchScreen.parameters.xAxis.valid
|
|
&& device->touchScreen.parameters.yAxis.valid);
|
|
|
|
device->touchScreen.virtualKeys.clear();
|
|
|
|
Vector<InputReaderPolicyInterface::VirtualKeyDefinition> virtualKeyDefinitions;
|
|
mPolicy->getVirtualKeyDefinitions(device->name, virtualKeyDefinitions);
|
|
if (virtualKeyDefinitions.size() == 0) {
|
|
return;
|
|
}
|
|
|
|
device->touchScreen.virtualKeys.setCapacity(virtualKeyDefinitions.size());
|
|
|
|
int32_t touchScreenLeft = device->touchScreen.parameters.xAxis.minValue;
|
|
int32_t touchScreenTop = device->touchScreen.parameters.yAxis.minValue;
|
|
int32_t touchScreenWidth = device->touchScreen.parameters.xAxis.range;
|
|
int32_t touchScreenHeight = device->touchScreen.parameters.yAxis.range;
|
|
|
|
for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
|
|
const InputReaderPolicyInterface::VirtualKeyDefinition& virtualKeyDefinition =
|
|
virtualKeyDefinitions[i];
|
|
|
|
device->touchScreen.virtualKeys.add();
|
|
InputDevice::VirtualKey& virtualKey =
|
|
device->touchScreen.virtualKeys.editTop();
|
|
|
|
virtualKey.scanCode = virtualKeyDefinition.scanCode;
|
|
int32_t keyCode;
|
|
uint32_t flags;
|
|
if (mEventHub->scancodeToKeycode(device->id, virtualKey.scanCode,
|
|
& keyCode, & flags)) {
|
|
LOGW(" VirtualKey %d: could not obtain key code, ignoring", virtualKey.scanCode);
|
|
device->touchScreen.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 / mDisplayWidth + touchScreenLeft;
|
|
virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
|
|
* touchScreenWidth / mDisplayWidth + touchScreenLeft;
|
|
virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
|
|
* touchScreenHeight / mDisplayHeight + touchScreenTop;
|
|
virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
|
|
* touchScreenHeight / mDisplayHeight + touchScreenTop;
|
|
|
|
LOGI(" VirtualKey %d: keyCode=%d hitLeft=%d hitRight=%d hitTop=%d hitBottom=%d",
|
|
virtualKey.scanCode, virtualKey.keyCode,
|
|
virtualKey.hitLeft, virtualKey.hitRight, virtualKey.hitTop, virtualKey.hitBottom);
|
|
}
|
|
}
|
|
|
|
void InputReader::configureAbsoluteAxisInfo(InputDevice* device,
|
|
int axis, const char* name, InputDevice::AbsoluteAxisInfo* out) {
|
|
if (! mEventHub->getAbsoluteInfo(device->id, axis,
|
|
& out->minValue, & out->maxValue, & out->flat, &out->fuzz)) {
|
|
out->range = out->maxValue - out->minValue;
|
|
if (out->range != 0) {
|
|
LOGI(" %s: min=%d max=%d flat=%d fuzz=%d",
|
|
name, out->minValue, out->maxValue, out->flat, out->fuzz);
|
|
out->valid = true;
|
|
return;
|
|
}
|
|
}
|
|
|
|
out->valid = false;
|
|
out->minValue = 0;
|
|
out->maxValue = 0;
|
|
out->flat = 0;
|
|
out->fuzz = 0;
|
|
out->range = 0;
|
|
LOGI(" %s: unknown axis values, marking as invalid", name);
|
|
}
|
|
|
|
void InputReader::configureExcludedDevices() {
|
|
Vector<String8> excludedDeviceNames;
|
|
mPolicy->getExcludedDeviceNames(excludedDeviceNames);
|
|
|
|
for (size_t i = 0; i < excludedDeviceNames.size(); i++) {
|
|
mEventHub->addExcludedDevice(excludedDeviceNames[i]);
|
|
}
|
|
}
|
|
|
|
void InputReader::resetGlobalMetaState() {
|
|
mGlobalMetaState = -1;
|
|
}
|
|
|
|
int32_t InputReader::globalMetaState() {
|
|
if (mGlobalMetaState == -1) {
|
|
mGlobalMetaState = 0;
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
if (device->isKeyboard()) {
|
|
mGlobalMetaState |= device->keyboard.current.metaState;
|
|
}
|
|
}
|
|
}
|
|
return mGlobalMetaState;
|
|
}
|
|
|
|
void InputReader::updateExportedVirtualKeyState() {
|
|
int32_t keyCode = -1, scanCode = -1;
|
|
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
if (device->isTouchScreen()) {
|
|
if (device->touchScreen.currentVirtualKey.status
|
|
== InputDevice::TouchScreenState::CurrentVirtualKeyState::STATUS_DOWN) {
|
|
keyCode = device->touchScreen.currentVirtualKey.keyCode;
|
|
scanCode = device->touchScreen.currentVirtualKey.scanCode;
|
|
}
|
|
}
|
|
}
|
|
|
|
{ // acquire exported state lock
|
|
AutoMutex _l(mExportedStateLock);
|
|
|
|
mExportedVirtualKeyCode = keyCode;
|
|
mExportedVirtualScanCode = scanCode;
|
|
} // release exported state lock
|
|
}
|
|
|
|
bool InputReader::getCurrentVirtualKey(int32_t* outKeyCode, int32_t* outScanCode) const {
|
|
{ // acquire exported state lock
|
|
AutoMutex _l(mExportedStateLock);
|
|
|
|
*outKeyCode = mExportedVirtualKeyCode;
|
|
*outScanCode = mExportedVirtualScanCode;
|
|
return mExportedVirtualKeyCode != -1;
|
|
} // release exported state lock
|
|
}
|
|
|
|
void InputReader::updateExportedInputConfiguration() {
|
|
int32_t touchScreenConfig = InputConfiguration::TOUCHSCREEN_NOTOUCH;
|
|
int32_t keyboardConfig = InputConfiguration::KEYBOARD_NOKEYS;
|
|
int32_t navigationConfig = InputConfiguration::NAVIGATION_NONAV;
|
|
|
|
for (size_t i = 0; i < mDevices.size(); i++) {
|
|
InputDevice* device = mDevices.valueAt(i);
|
|
int32_t deviceClasses = device->classes;
|
|
|
|
if (deviceClasses & INPUT_DEVICE_CLASS_TOUCHSCREEN) {
|
|
touchScreenConfig = InputConfiguration::TOUCHSCREEN_FINGER;
|
|
}
|
|
if (deviceClasses & INPUT_DEVICE_CLASS_ALPHAKEY) {
|
|
keyboardConfig = InputConfiguration::KEYBOARD_QWERTY;
|
|
}
|
|
if (deviceClasses & INPUT_DEVICE_CLASS_TRACKBALL) {
|
|
navigationConfig = InputConfiguration::NAVIGATION_TRACKBALL;
|
|
} else if (deviceClasses & INPUT_DEVICE_CLASS_DPAD) {
|
|
navigationConfig = InputConfiguration::NAVIGATION_DPAD;
|
|
}
|
|
}
|
|
|
|
{ // acquire exported state lock
|
|
AutoMutex _l(mExportedStateLock);
|
|
|
|
mExportedInputConfiguration.touchScreen = touchScreenConfig;
|
|
mExportedInputConfiguration.keyboard = keyboardConfig;
|
|
mExportedInputConfiguration.navigation = navigationConfig;
|
|
} // release exported state lock
|
|
}
|
|
|
|
void InputReader::getCurrentInputConfiguration(InputConfiguration* outConfiguration) const {
|
|
{ // acquire exported state lock
|
|
AutoMutex _l(mExportedStateLock);
|
|
|
|
*outConfiguration = mExportedInputConfiguration;
|
|
} // release exported state lock
|
|
}
|
|
|
|
int32_t InputReader::getCurrentScanCodeState(int32_t deviceId, int32_t deviceClasses,
|
|
int32_t scanCode) const {
|
|
{ // acquire exported state lock
|
|
AutoMutex _l(mExportedStateLock);
|
|
|
|
if (mExportedVirtualScanCode == scanCode) {
|
|
return AKEY_STATE_VIRTUAL;
|
|
}
|
|
} // release exported state lock
|
|
|
|
return mEventHub->getScanCodeState(deviceId, deviceClasses, scanCode);
|
|
}
|
|
|
|
int32_t InputReader::getCurrentKeyCodeState(int32_t deviceId, int32_t deviceClasses,
|
|
int32_t keyCode) const {
|
|
{ // acquire exported state lock
|
|
AutoMutex _l(mExportedStateLock);
|
|
|
|
if (mExportedVirtualKeyCode == keyCode) {
|
|
return AKEY_STATE_VIRTUAL;
|
|
}
|
|
} // release exported state lock
|
|
|
|
return mEventHub->getKeyCodeState(deviceId, deviceClasses, keyCode);
|
|
}
|
|
|
|
int32_t InputReader::getCurrentSwitchState(int32_t deviceId, int32_t deviceClasses,
|
|
int32_t sw) const {
|
|
return mEventHub->getSwitchState(deviceId, deviceClasses, sw);
|
|
}
|
|
|
|
bool InputReader::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const {
|
|
return mEventHub->hasKeys(numCodes, keyCodes, outFlags);
|
|
}
|
|
|
|
|
|
// --- InputReaderThread ---
|
|
|
|
InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
|
|
Thread(/*canCallJava*/ true), mReader(reader) {
|
|
}
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|
|
|
InputReaderThread::~InputReaderThread() {
|
|
}
|
|
|
|
bool InputReaderThread::threadLoop() {
|
|
mReader->loopOnce();
|
|
return true;
|
|
}
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|
|
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} // namespace android
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