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Commit 75ed01b2 authored by Treehugger Robot's avatar Treehugger Robot Committed by Android (Google) Code Review
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Merge "GestureConverter: Reset fake finger on scroll start" into main

parents a6306843 13acbd2e

services/inputflinger/reader/mapper/gestures/GestureConverter.cpp

+1 −0
Original line number Diff line number Diff line
@@ -331,6 +331,7 @@ std::list<NotifyArgs> GestureConverter::handleScroll(nsecs_t when, nsecs_t readT 
        out += exitHover(when, readTime);



        mCurrentClassification = MotionClassification::TWO_FINGER_SWIPE;

        coords.clear();

        coords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);

        mDownTime = when;

        NotifyMotionArgs args =

services/inputflinger/tests/GestureConverter_test.cpp

+37 −0
Original line number Diff line number Diff line
@@ -441,6 +441,43 @@ TEST_F(GestureConverterTest, Scroll_ClearsScrollDistanceAfterGesture) { 
    EXPECT_THAT(std::get<NotifyMotionArgs>(args.front()), WithGestureScrollDistance(0, 0, EPSILON));

}



TEST_F(GestureConverterTest, Scroll_ClearsFakeFingerPositionOnSubsequentScrollGestures) {

    InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);

    GestureConverter converter(*mReader->getContext(), deviceContext, DEVICE_ID);

    converter.setDisplayId(ui::LogicalDisplayId::DEFAULT);



    Gesture startGesture(kGestureScroll, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 15, -10);

    std::list<NotifyArgs> args =

            converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, startGesture);



    Gesture continueGesture(kGestureScroll, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, -2, -5);

    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, continueGesture);



    Gesture flingGesture(kGestureFling, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 1, 1,

                         GESTURES_FLING_START);

    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, flingGesture);

    Gesture flingGestureEnd(kGestureFling, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 0, 0,

                            GESTURES_FLING_TAP_DOWN);

    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, flingGestureEnd);



    // Start a second scoll gesture, and ensure the fake finger is reset to (0, 0), instead of

    // continuing from the position where the last scroll gesture's fake finger ended.

    Gesture secondScrollStart(kGestureScroll, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 2,

                              14);

    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, secondScrollStart);

    ASSERT_THAT(args,

                ElementsAre(VariantWith<NotifyMotionArgs>(

                                    WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT)),

                            VariantWith<NotifyMotionArgs>(

                                    AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),

                                          WithCoords(0, 0),

                                          WithGestureScrollDistance(0, 0, EPSILON))),

                            VariantWith<NotifyMotionArgs>(

                                    AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),

                                          WithCoords(2, 14),

                                          WithGestureScrollDistance(-2, -14, EPSILON)))));

}



TEST_F(GestureConverterTest, ThreeFingerSwipe_ClearsClassificationAfterGesture) {

    InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);

    GestureConverter converter(*mReader->getContext(), deviceContext, DEVICE_ID);