C++ MotionEvent::getAction方法代码示例

bool AutoScrollWidgetPager::onTouchEvent(const MotionEvent& ev) {
    if (mStopScrollWhenTouch) {
        if (ev.getAction() == MotionEvent::ACTION_DOWN && mIsAutoScroll) {
            mIsStopByTouch = true;
            stopAutoScroll();
        } else if (ev.getAction() == MotionEvent::ACTION_UP && mIsStopByTouch) {
            startAutoScroll();
        }
    }

    WidgetController* pParent = dynamic_cast<WidgetController*>(getParent());
    if (mSlideBorderMode == SLIDE_BORDER_MODE_TO_PARENT || mSlideBorderMode == SLIDE_BORDER_MODE_CYCLE) {
        mTouchX = ev.getX();
        if (ev.getAction() == MotionEvent::ACTION_DOWN) {
            mDownX = mTouchX;
        }
        int32_t currentItem = getCurrentItem();
        IPagerProvider* adapter = getProvider();
        int32_t pageCount = adapter == NULL ? 0 : adapter->getCount();
        /**
         * current index is first one and slide to right or current index is last one and slide to left.<br/>
         * if slide border mode is to parent, then requestDisallowInterceptTouchEvent false.<br/>
         * else scroll to last one when current item is first one, scroll to first one when current item is last
         * one.
         */
        if ((currentItem == 0 && mDownX <= mTouchX) || (currentItem == pageCount - 1 && mDownX >= mTouchX)) {
            if (mSlideBorderMode == SLIDE_BORDER_MODE_TO_PARENT) {
                if (pParent)
                    pParent->requestDisallowInterceptTouchEvent(false);
            } else {
                if (pageCount > 1) {
                    setCurrentItem(pageCount - currentItem - 1, mIsBorderAnimation);
                }
                if (pParent)
                    pParent->requestDisallowInterceptTouchEvent(true);
            }
            return WidgetPager::onTouchEvent(ev);
        }
    }
    if (pParent)
        pParent->requestDisallowInterceptTouchEvent(true);
    return WidgetPager::onTouchEvent(ev);
}

TEST_F(MotionEventTest, Properties) {
    MotionEvent event;

    // Initialize, add samples and check properties.
    initializeEventWithHistory(&event);
    ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&event));

    // Set source.
    event.setSource(AINPUT_SOURCE_JOYSTICK);
    ASSERT_EQ(static_cast<int>(AINPUT_SOURCE_JOYSTICK), event.getSource());

    // Set action.
    event.setAction(AMOTION_EVENT_ACTION_CANCEL);
    ASSERT_EQ(AMOTION_EVENT_ACTION_CANCEL, event.getAction());

    // Set meta state.
    event.setMetaState(AMETA_CTRL_ON);
    ASSERT_EQ(AMETA_CTRL_ON, event.getMetaState());
}

status_t NativeInputEventReceiver::consumeEvents(JNIEnv* env,
        bool consumeBatches, nsecs_t frameTime, bool* outConsumedBatch) {
    if (kDebugDispatchCycle) {
        ALOGD("channel '%s' ~ Consuming input events, consumeBatches=%s, frameTime=%lld.",
                getInputChannelName(), consumeBatches ? "true" : "false", (long long)frameTime);
    }

    if (consumeBatches) {
        mBatchedInputEventPending = false;
    }
    if (outConsumedBatch) {
        *outConsumedBatch = false;
    }

    ScopedLocalRef<jobject> receiverObj(env, NULL);
    bool skipCallbacks = false;
    for (;;) {
        uint32_t seq;
        InputEvent* inputEvent;
        status_t status = mInputConsumer.consume(&mInputEventFactory,
                consumeBatches, frameTime, &seq, &inputEvent);
        if (status) {
            if (status == WOULD_BLOCK) {
                if (!skipCallbacks && !mBatchedInputEventPending
                        && mInputConsumer.hasPendingBatch()) {
                    // There is a pending batch.  Come back later.
                    if (!receiverObj.get()) {
                        receiverObj.reset(jniGetReferent(env, mReceiverWeakGlobal));
                        if (!receiverObj.get()) {
                            ALOGW("channel '%s' ~ Receiver object was finalized "
                                    "without being disposed.", getInputChannelName());
                            return DEAD_OBJECT;
                        }
                    }

                    mBatchedInputEventPending = true;
                    if (kDebugDispatchCycle) {
                        ALOGD("channel '%s' ~ Dispatching batched input event pending notification.",
                                getInputChannelName());
                    }
                    env->CallVoidMethod(receiverObj.get(),
                            gInputEventReceiverClassInfo.dispatchBatchedInputEventPending);
                    if (env->ExceptionCheck()) {
                        ALOGE("Exception dispatching batched input events.");
                        mBatchedInputEventPending = false; // try again later
                    }
                }
                return OK;
            }
            ALOGE("channel '%s' ~ Failed to consume input event.  status=%d",
                    getInputChannelName(), status);
            return status;
        }
        assert(inputEvent);

        if (!skipCallbacks) {
            if (!receiverObj.get()) {
                receiverObj.reset(jniGetReferent(env, mReceiverWeakGlobal));
                if (!receiverObj.get()) {
                    ALOGW("channel '%s' ~ Receiver object was finalized "
                            "without being disposed.", getInputChannelName());
                    return DEAD_OBJECT;
                }
            }

            jobject inputEventObj;
            switch (inputEvent->getType()) {
            case AINPUT_EVENT_TYPE_KEY:
                if (kDebugDispatchCycle) {
                    ALOGD("channel '%s' ~ Received key event.", getInputChannelName());
                }
                inputEventObj = android_view_KeyEvent_fromNative(env,
                        static_cast<KeyEvent*>(inputEvent));
                break;

            case AINPUT_EVENT_TYPE_MOTION: {
                if (kDebugDispatchCycle) {
                    ALOGD("channel '%s' ~ Received motion event.", getInputChannelName());
                }
                MotionEvent* motionEvent = static_cast<MotionEvent*>(inputEvent);
                if ((motionEvent->getAction() & AMOTION_EVENT_ACTION_MOVE) && outConsumedBatch) {
                    *outConsumedBatch = true;
                }
                inputEventObj = android_view_MotionEvent_obtainAsCopy(env, motionEvent);
                break;
            }

            default:
                assert(false); // InputConsumer should prevent this from ever happening
                inputEventObj = NULL;
            }

            if (inputEventObj) {
                if (kDebugDispatchCycle) {
                    ALOGD("channel '%s' ~ Dispatching input event.", getInputChannelName());
                }
                env->CallVoidMethod(receiverObj.get(),
                        gInputEventReceiverClassInfo.dispatchInputEvent, seq, inputEventObj);
                if (env->ExceptionCheck()) {
                    ALOGE("Exception dispatching input event.");
//.........这里部分代码省略.........

void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent(
        size_t samplesToAppendBeforeDispatch, size_t samplesToAppendAfterDispatch) {
    status_t status;

    const int32_t deviceId = 1;
    const int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
    const int32_t action = AMOTION_EVENT_ACTION_MOVE;
    const int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
    const int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
    const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
    const float xOffset = -10;
    const float yOffset = -20;
    const float xPrecision = 0.25;
    const float yPrecision = 0.5;
    const nsecs_t downTime = 3;
    const size_t pointerCount = 3;
    const int32_t pointerIds[pointerCount] = { 2, 0, 1 };

    Vector<nsecs_t> sampleEventTimes;
    Vector<PointerCoords> samplePointerCoords;

    for (size_t i = 0; i <= samplesToAppendAfterDispatch + samplesToAppendBeforeDispatch; i++) {
        sampleEventTimes.push(i + 10);
        for (size_t j = 0; j < pointerCount; j++) {
            samplePointerCoords.push();
            samplePointerCoords.editTop().x = 100 * i + j;
            samplePointerCoords.editTop().y = 200 * i + j;
            samplePointerCoords.editTop().pressure = 0.5 * i + j;
            samplePointerCoords.editTop().size = 0.7 * i + j;
            samplePointerCoords.editTop().touchMajor = 1.5 * i + j;
            samplePointerCoords.editTop().touchMinor = 1.7 * i + j;
            samplePointerCoords.editTop().toolMajor = 2.5 * i + j;
            samplePointerCoords.editTop().toolMinor = 2.7 * i + j;
            samplePointerCoords.editTop().orientation = 3.5 * i + j;
        }
    }

    status = mPublisher->publishMotionEvent(deviceId, source, action, flags, edgeFlags,
            metaState, xOffset, yOffset, xPrecision, yPrecision,
            downTime, sampleEventTimes[0], pointerCount, pointerIds, samplePointerCoords.array());
    ASSERT_EQ(OK, status)
            << "publisher publishMotionEvent should return OK";

    for (size_t i = 0; i < samplesToAppendBeforeDispatch; i++) {
        size_t sampleIndex = i + 1;
        status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
                samplePointerCoords.array() + sampleIndex * pointerCount);
        ASSERT_EQ(OK, status)
                << "publisher appendMotionEvent should return OK";
    }

    status = mPublisher->sendDispatchSignal();
    ASSERT_EQ(OK, status)
            << "publisher sendDispatchSignal should return OK";

    for (size_t i = 0; i < samplesToAppendAfterDispatch; i++) {
        size_t sampleIndex = i + 1 + samplesToAppendBeforeDispatch;
        status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
                samplePointerCoords.array() + sampleIndex * pointerCount);
        ASSERT_EQ(OK, status)
                << "publisher appendMotionEvent should return OK";
    }

    status = mConsumer->receiveDispatchSignal();
    ASSERT_EQ(OK, status)
            << "consumer receiveDispatchSignal should return OK";

    InputEvent* event;
    status = mConsumer->consume(& mEventFactory, & event);
    ASSERT_EQ(OK, status)
            << "consumer consume should return OK";

    ASSERT_TRUE(event != NULL)
            << "consumer should have returned non-NULL event";
    ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
            << "consumer should have returned a motion event";

    size_t lastSampleIndex = samplesToAppendBeforeDispatch + samplesToAppendAfterDispatch;

    MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
    EXPECT_EQ(deviceId, motionEvent->getDeviceId());
    EXPECT_EQ(source, motionEvent->getSource());
    EXPECT_EQ(action, motionEvent->getAction());
    EXPECT_EQ(flags, motionEvent->getFlags());
    EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
    EXPECT_EQ(metaState, motionEvent->getMetaState());
    EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
    EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
    EXPECT_EQ(downTime, motionEvent->getDownTime());
    EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
    EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
    EXPECT_EQ(lastSampleIndex, motionEvent->getHistorySize());

    for (size_t i = 0; i < pointerCount; i++) {
        SCOPED_TRACE(i);
        EXPECT_EQ(pointerIds[i], motionEvent->getPointerId(i));
    }

    for (size_t sampleIndex = 0; sampleIndex < lastSampleIndex; sampleIndex++) {
        SCOPED_TRACE(sampleIndex);
//.........这里部分代码省略.........

static jint android_view_MotionEvent_nativeGetAction(JNIEnv* env, jclass clazz,
        jint nativePtr) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    return event->getAction();
}

void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent() {
    status_t status;

    const uint32_t seq = 15;
    const int32_t deviceId = 1;
    const int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
    const int32_t action = AMOTION_EVENT_ACTION_MOVE;
    const int32_t actionButton = 0;
    const int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
    const int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
    const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
    const int32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY;
    const float xOffset = -10;
    const float yOffset = -20;
    const float xPrecision = 0.25;
    const float yPrecision = 0.5;
    const nsecs_t downTime = 3;
    const size_t pointerCount = 3;
    const nsecs_t eventTime = 4;
    PointerProperties pointerProperties[pointerCount];
    PointerCoords pointerCoords[pointerCount];
    for (size_t i = 0; i < pointerCount; i++) {
        pointerProperties[i].clear();
        pointerProperties[i].id = (i + 2) % pointerCount;
        pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;

        pointerCoords[i].clear();
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, 100 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, 200 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 0.5 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 0.7 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 1.5 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 1.7 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.5 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.7 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 3.5 * i);
    }

    status = mPublisher->publishMotionEvent(seq, deviceId, source, action, actionButton,
                                            flags, edgeFlags, metaState, buttonState, xOffset, yOffset, xPrecision, yPrecision,
                                            downTime, eventTime, pointerCount,
                                            pointerProperties, pointerCoords);
    ASSERT_EQ(OK, status)
            << "publisher publishMotionEvent should return OK";

    uint32_t consumeSeq;
    InputEvent* event;
    status = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, -1, &consumeSeq, &event);
    ASSERT_EQ(OK, status)
            << "consumer consume should return OK";

    ASSERT_TRUE(event != NULL)
            << "consumer should have returned non-NULL event";
    ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
            << "consumer should have returned a motion event";

    MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
    EXPECT_EQ(seq, consumeSeq);
    EXPECT_EQ(deviceId, motionEvent->getDeviceId());
    EXPECT_EQ(source, motionEvent->getSource());
    EXPECT_EQ(action, motionEvent->getAction());
    EXPECT_EQ(flags, motionEvent->getFlags());
    EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
    EXPECT_EQ(metaState, motionEvent->getMetaState());
    EXPECT_EQ(buttonState, motionEvent->getButtonState());
    EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
    EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
    EXPECT_EQ(downTime, motionEvent->getDownTime());
    EXPECT_EQ(eventTime, motionEvent->getEventTime());
    EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
    EXPECT_EQ(0U, motionEvent->getHistorySize());

    for (size_t i = 0; i < pointerCount; i++) {
        SCOPED_TRACE(i);
        EXPECT_EQ(pointerProperties[i].id, motionEvent->getPointerId(i));
        EXPECT_EQ(pointerProperties[i].toolType, motionEvent->getToolType(i));

        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X),
                  motionEvent->getRawX(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y),
                  motionEvent->getRawY(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X) + xOffset,
                  motionEvent->getX(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y) + yOffset,
                  motionEvent->getY(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
                  motionEvent->getPressure(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
                  motionEvent->getSize(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
                  motionEvent->getTouchMajor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
                  motionEvent->getTouchMinor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
                  motionEvent->getToolMajor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
                  motionEvent->getToolMinor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
                  motionEvent->getOrientation(i));
    }
//.........这里部分代码省略.........