/**
* Verify that the first event sent while the page is scrolling will be converted to a
* touchcancel. The touchcancel event should stay in the pending queue. Acking the touchcancel
* event will consume all the touch events of the current session.
*/
@SmallTest
@Feature({"Gestures"})
public void testTouchEventsCanceledWhileScrolling() {
final int deltaY = 84;
final long downTime = SystemClock.uptimeMillis();
MockMotionEventDelegate delegate = new MockMotionEventDelegate();
ContentViewGestureHandler gestureHandler =
new ContentViewGestureHandler(
getInstrumentation().getTargetContext(),
delegate,
new MockZoomManager(getInstrumentation().getTargetContext(), null));
gestureHandler.hasTouchEventHandlers(true);
MotionEvent event = motionEvent(MotionEvent.ACTION_DOWN, downTime, downTime);
assertTrue(gestureHandler.onTouchEvent(event));
gestureHandler.confirmTouchEvent(ContentViewGestureHandler.INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
event =
MotionEvent.obtain(
downTime,
downTime + 5,
MotionEvent.ACTION_MOVE,
FAKE_COORD_X,
FAKE_COORD_Y - deltaY / 2,
0);
assertTrue(gestureHandler.onTouchEvent(event));
gestureHandler.confirmTouchEvent(ContentViewGestureHandler.INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
// This event will be converted to touchcancel and put into the pending
// queue.
event =
MotionEvent.obtain(
downTime,
downTime + 10,
MotionEvent.ACTION_MOVE,
FAKE_COORD_X,
FAKE_COORD_Y - deltaY,
0);
assertTrue(gestureHandler.onTouchEvent(event));
assertEquals(1, gestureHandler.getNumberOfPendingMotionEventsForTesting());
assertTrue(
gestureHandler.isEventCancelledForTesting(
gestureHandler.peekFirstInPendingMotionEventsForTesting()));
event = motionEvent(MotionEvent.ACTION_POINTER_DOWN, downTime + 15, downTime + 15);
assertTrue(gestureHandler.onTouchEvent(event));
assertEquals(2, gestureHandler.getNumberOfPendingMotionEventsForTesting());
// Acking the touchcancel will drain all the events.
gestureHandler.confirmTouchEvent(ContentViewGestureHandler.INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
assertEquals(0, gestureHandler.getNumberOfPendingMotionEventsForTesting());
}
