C++ MotionEvent::getPointerCount方法代码示例

static void android_view_MotionEvent_nativeGetPointerCoords(JNIEnv* env, jclass clazz,
        jlong nativePtr, jint pointerIndex, jint historyPos, jobject outPointerCoordsObj) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    
    //ActionsCode(authro:songzhining, comment: fix BUG00232351)
    if (pointerIndex >= pointerCount) {        
        ALOGE("Error pointerIndex! count=%d, index=%d", pointerCount, pointerIndex);
        pointerIndex = 0;
    }
    
    if (!validatePointerIndex(env, pointerIndex, pointerCount)
            || !validatePointerCoords(env, outPointerCoordsObj)) {
        return;
    }

    const PointerCoords* rawPointerCoords;
    if (historyPos == HISTORY_CURRENT) {
        rawPointerCoords = event->getRawPointerCoords(pointerIndex);
    } else {
        size_t historySize = event->getHistorySize();
        if (!validateHistoryPos(env, historyPos, historySize)) {
            return;
        }
        rawPointerCoords = event->getHistoricalRawPointerCoords(pointerIndex, historyPos);
    }
    pointerCoordsFromNative(env, rawPointerCoords, event->getXOffset(), event->getYOffset(),
            outPointerCoordsObj);
}

static void android_view_MotionEvent_nativeAddBatch(JNIEnv* env, jclass clazz,
        jint nativePtr, jlong eventTimeNanos, jobjectArray pointerCoordsObjArray,
        jint metaState) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    if (!validatePointerCoordsObjArray(env, pointerCoordsObjArray, pointerCount)) {
        return;
    }

    PointerCoords rawPointerCoords[pointerCount];

    for (size_t i = 0; i < pointerCount; i++) {
        jobject pointerCoordsObj = env->GetObjectArrayElement(pointerCoordsObjArray, i);
        if (!pointerCoordsObj) {
            jniThrowNullPointerException(env, "pointerCoords");
            return;
        }
        pointerCoordsToNative(env, pointerCoordsObj,
                event->getXOffset(), event->getYOffset(), &rawPointerCoords[i]);
        env->DeleteLocalRef(pointerCoordsObj);
    }

    event->addSample(eventTimeNanos, rawPointerCoords);
    event->setMetaState(event->getMetaState() | metaState);
}

static jfloat android_view_MotionEvent_nativeGetAxisValue(JNIEnv* env, jclass clazz,
        jlong nativePtr, jint axis, jint pointerIndex, jint historyPos) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    
    //ActionsCode(authro:songzhining, comment: fix BUG00232351)
    if (pointerIndex >= pointerCount) {        
        ALOGE("Error pointerIndex! count=%d, index=%d", pointerCount, pointerIndex);
        pointerIndex = 0;
    }
    
    if (!validatePointerIndex(env, pointerIndex, pointerCount)) {
        return 0;
    }

    if (historyPos == HISTORY_CURRENT) {
        return event->getAxisValue(axis, pointerIndex);
    } else {
        size_t historySize = event->getHistorySize();
        if (!validateHistoryPos(env, historyPos, historySize)) {
            return 0;
        }
        return event->getHistoricalAxisValue(axis, pointerIndex, historyPos);
    }
}

TEST_F(MotionEventTest, CopyFrom_DoNotKeepHistory) {
    MotionEvent event;
    initializeEventWithHistory(&event);

    MotionEvent copy;
    copy.copyFrom(&event, false /*keepHistory*/);

    ASSERT_EQ(event.getPointerCount(), copy.getPointerCount());
    ASSERT_EQ(0U, copy.getHistorySize());

    ASSERT_EQ(event.getPointerId(0), copy.getPointerId(0));
    ASSERT_EQ(event.getPointerId(1), copy.getPointerId(1));

    ASSERT_EQ(event.getEventTime(), copy.getEventTime());

    ASSERT_EQ(event.getX(0), copy.getX(0));
}

static jint android_view_MotionEvent_nativeGetToolType(JNIEnv* env, jclass clazz,
        jint nativePtr, jint pointerIndex) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    if (!validatePointerIndex(env, pointerIndex, pointerCount)) {
        return -1;
    }
    return event->getToolType(pointerIndex);
}

static void android_view_MotionEvent_nativeGetPointerProperties(JNIEnv* env, jclass clazz,
        jint nativePtr, jint pointerIndex, jobject outPointerPropertiesObj) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    if (!validatePointerIndex(env, pointerIndex, pointerCount)
            || !validatePointerProperties(env, outPointerPropertiesObj)) {
        return;
    }

    const PointerProperties* pointerProperties = event->getPointerProperties(pointerIndex);
    pointerPropertiesFromNative(env, pointerProperties, outPointerPropertiesObj);
}

static jint android_view_MotionEvent_nativeGetToolType(JNIEnv* env, jclass clazz,
        jlong nativePtr, jint pointerIndex) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    
    //ActionsCode(authro:songzhining, comment: fix BUG00232351)
    if (pointerIndex >= pointerCount) {        
        ALOGE("Error pointerIndex! count=%d, index=%d", pointerCount, pointerIndex);
        pointerIndex = 0;
    }
    
    if (!validatePointerIndex(env, pointerIndex, pointerCount)) {
        return -1;
    }
    return event->getToolType(pointerIndex);
}

static jfloat android_view_MotionEvent_nativeGetAxisValue(JNIEnv* env, jclass clazz,
        jint nativePtr, jint axis, jint pointerIndex, jint historyPos) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    if (!validatePointerIndex(env, pointerIndex, pointerCount)) {
        return 0;
    }

    if (historyPos == HISTORY_CURRENT) {
        return event->getAxisValue(axis, pointerIndex);
    } else {
        size_t historySize = event->getHistorySize();
        if (!validateHistoryPos(env, historyPos, historySize)) {
            return 0;
        }
        return event->getHistoricalAxisValue(axis, pointerIndex, historyPos);
    }
}

static void android_view_MotionEvent_nativeGetPointerProperties(JNIEnv* env, jclass clazz,
        jlong nativePtr, jint pointerIndex, jobject outPointerPropertiesObj) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    
    //ActionsCode(authro:songzhining, comment: fix BUG00232351)
    if (pointerIndex >= pointerCount) {        
        ALOGE("Error pointerIndex! count=%d, index=%d", pointerCount, pointerIndex);
        pointerIndex = 0;
    }
    
    if (!validatePointerIndex(env, pointerIndex, pointerCount)
            || !validatePointerProperties(env, outPointerPropertiesObj)) {
        return;
    }

    const PointerProperties* pointerProperties = event->getPointerProperties(pointerIndex);
    pointerPropertiesFromNative(env, pointerProperties, outPointerPropertiesObj);
}

static void android_view_MotionEvent_nativeGetPointerCoords(JNIEnv* env, jclass clazz,
        jint nativePtr, jint pointerIndex, jint historyPos, jobject outPointerCoordsObj) {
    MotionEvent* event = reinterpret_cast<MotionEvent*>(nativePtr);
    size_t pointerCount = event->getPointerCount();
    if (!validatePointerIndex(env, pointerIndex, pointerCount)
            || !validatePointerCoords(env, outPointerCoordsObj)) {
        return;
    }

    const PointerCoords* rawPointerCoords;
    if (historyPos == HISTORY_CURRENT) {
        rawPointerCoords = event->getRawPointerCoords(pointerIndex);
    } else {
        size_t historySize = event->getHistorySize();
        if (!validateHistoryPos(env, historyPos, historySize)) {
            return;
        }
        rawPointerCoords = event->getHistoricalRawPointerCoords(pointerIndex, historyPos);
    }
    pointerCoordsFromNative(env, rawPointerCoords, event->getXOffset(), event->getYOffset(),
            outPointerCoordsObj);
}

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

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.........