Method TouchCancel

libs/drape_frontend/user_event_stream.cpp:899–934

}

bool UserEventStream::TouchCancel(std::array<Touch, 2> const & touches)
{
  size_t touchCount = GetValidTouchesCount(touches);
  UNUSED_VALUE(touchCount);
  bool isMapTouch = true;
  switch (m_state)
  {
  case STATE_EMPTY:
  case STATE_WAIT_DOUBLE_TAP:
  case STATE_TAP_TWO_FINGERS: isMapTouch = false; break;
  case STATE_WAIT_DOUBLE_TAP_HOLD:
  case STATE_DOUBLE_TAP_HOLD:
    // Do nothing here.
    break;
  case STATE_FILTER:
    ASSERT_EQUAL(touchCount, 1, ());
    CancelFilter(touches[0]);
    break;
  case STATE_TAP_DETECTION:
    ASSERT_EQUAL(touchCount, 1, ());
    CancelTapDetector();
    isMapTouch = false;
    break;
  case STATE_DRAG:
    ASSERT_EQUAL(touchCount, 1, ());
    isMapTouch = EndDrag(touches[0], true /* cancelled */);
    break;
  case STATE_SCALE:
    ASSERT_EQUAL(touchCount, 2, ());
    EndScale(touches[0], touches[1]);
    break;
  default: ASSERT(false, ()); break;
  }
  UpdateTouches(touches);
  return isMapTouch;
}

bool UserEventStream::TouchUp(std::array<Touch, 2> const & touches)
{