Method TouchUp

libs/drape_frontend/user_event_stream.cpp:936–987

}

bool UserEventStream::TouchUp(std::array<Touch, 2> const & touches)
{
  size_t touchCount = GetValidTouchesCount(touches);
  bool isMapTouch = true;
  switch (m_state)
  {
  case STATE_EMPTY:
  case STATE_WAIT_DOUBLE_TAP:
    isMapTouch = false;
    // Can be if long tap or double tap detected.
    break;
  case STATE_FILTER:
    ASSERT_EQUAL(touchCount, 1, ());
    EndFilter(touches[0]);
    isMapTouch = false;
    break;
  case STATE_TAP_DETECTION:
    if (touchCount == 1)
      EndTapDetector(touches[0]);
    else
      CancelTapDetector();
    break;
  case STATE_TAP_TWO_FINGERS:
    if (touchCount == 2)
      EndTwoFingersTap();
    break;
  case STATE_WAIT_DOUBLE_TAP_HOLD:
    ASSERT_EQUAL(touchCount, 1, ());
    PerformDoubleTap(touches[0]);
    break;
  case STATE_DOUBLE_TAP_HOLD: EndDoubleTapAndHold(touches[0]); break;
  case STATE_DRAG:
    ASSERT_EQUAL(touchCount, 1, ());
    isMapTouch = EndDrag(touches[0], false /* cancelled */);
    break;
  case STATE_SCALE:
    if (touchCount < 2)
    {
      ASSERT_EQUAL(GetValidTouchesCount(m_touches), 2, ());
      EndScale(m_touches[0], m_touches[1]);
    }
    else
    {
      EndScale(touches[0], touches[1]);
    }
    break;
  default: ASSERT(false, ()); break;
  }

  UpdateTouches(touches);
  return isMapTouch;
}

void UserEventStream::UpdateTouches(std::array<Touch, 2> const & touches)
{