protected virtual void OnDoubleTapState(ref TouchQueueInfomation info, long time)
{
int x = 0;
int y = 0;
if (!info.touchQueue.IsActived())
{
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
mCurrentGestureEvent = new GestureDoubleClickEvent(x, y, time, 1);
}
else
{
info.touchQueue.GetAbsMaxMovingDistance(ref x, ref y);
if ((x > mMaxSteadyMoveDistanceX) || (y > mMaxSteadyMoveDistanceY))
{
// point moved, change to swipe state
info.curState = TouchState.STATE_SWIPE;
mChangedTouchQueues.AddLast(info);
return;
}
if (info.touchQueue.GetCurrentDuration(time) > mMinSteadyTimeForDrag)
{
info.curState = TouchState.STATE_DRAG;
mChangedTouchQueues.AddLast(info);
return;
}
mChangedTouchQueues.AddLast(info);
}
}
protected virtual void OnDragState(ref TouchQueueInfomation info, long time)
{
int x = 0;
int y = 0;
if (!info.touchQueue.IsActived())
{
//release touch in drag state, triggered tap or long-tap event
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
if (info.touchQueue.GetCurrentDuration(time) >= mMinTimeForLongTap)
{
mCurrentGestureEvent = new GestureLongTapEvent(x, y, time, 1, info.touchQueue.GetDuration());
}
else
{
mCurrentGestureEvent = new GestureTapEvent(x, y, time, 1);
}
}
else
{
info.touchQueue.GetAbsMaxMovingDistance(ref x, ref y);
if ((x > mMaxSteadyMoveDistanceX) || (y > mMaxSteadyMoveDistanceY))
{
// point moved, trigger drag event and change to drag-move state
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
mCurrentGestureEvent = new GestureDragEvent(x, y, time, 1);
info.curState = TouchState.STATE_DRAG_MOVE;
mChangedTouchQueues.AddLast(info);
return;
}
mChangedTouchQueues.AddLast(info);
}
}
protected virtual void OnSwipeState(ref TouchQueueInfomation info, long time)
{
int x = 0;
int y = 0;
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
if (!info.touchQueue.IsActived() || (info.touchQueue.GetCurrentDuration(time) >= mMaxSwipeDuration))
{
TouchArcShape arcType = TouchArcShape.ARC_NONE;
TouchDirection direction = TouchDirection.DIR_NONE;
bool isArc = info.touchQueue.IsArcTrack(mMinXDistanceForArc, mMinYChangePersentForArc, ref arcType, ref direction);
if (isArc)
{
mCurrentGestureEvent = new GestureArcEvent(x, y, time, 1, arcType, direction);
}
else
{
mCurrentGestureEvent = new GestureSwipeEvent(x, y, time, 1, direction);
}
//force deactive the touch queue when it expired
if (info.touchQueue.IsActived())
{
info.touchQueue.ForceReleaseTouch();
}
}
else
{
mChangedTouchQueues.AddLast(info);
}
}
public bool TryAddTouchQueueChanging(TouchQueue queue, TouchQueueChangingMode changingMode, long time)
{
TouchQueueInfomation info = FindQueueInfomation(queue);
if (info.IsEmpty())
{
if (changingMode == TouchQueueChangingMode.TQC_PRESS)
{
TouchQueueInfomation tqcInfo = new TouchQueueInfomation(queue, changingMode, time);
mChangedTouchQueues.AddLast(tqcInfo);
return(true);
}
return(false);
}
else
{
if (changingMode == TouchQueueChangingMode.TQC_RELEASE)
{
Debug.Assert((info.lastChangingMode == TouchQueueChangingMode.TQC_PRESS) || (info.lastChangingMode == TouchQueueChangingMode.TQC_MOVE));
info.releaseTime = time;
info.repeatTimes++;
}
bool changed = (info.lastChangingMode == changingMode);
info.lastChangingMode = changingMode;
return(changed);
}
}
protected void TryRemoveTouchQueueInfomation(TouchQueue queue)
{
for (int i = 0; i < mChangedTouchQueues.Count; i++)
{
TouchQueueInfomation info = mChangedTouchQueues.ElementAt(i);
if (info.touchQueue == queue)
{
mChangedTouchQueues.Remove(info);
queue.Clear();
break;
}
}
}
protected virtual void OnLongTapState(ref TouchQueueInfomation info, long time)
{
int x = 0;
int y = 0;
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
if (!info.touchQueue.IsActived())
{
mCurrentGestureEvent = new GestureLongTapEvent(x, y, time, 1, info.touchQueue.GetDuration());
}
else
{
mChangedTouchQueues.AddLast(info);
}
}
protected virtual void OnDragMoveState(ref TouchQueueInfomation info, long time)
{
int x = 0;
int y = 0;
info.touchQueue.GetTrackEndingPosition(ref x, ref y);
if (!info.touchQueue.IsActived())
{
mCurrentGestureEvent = new GestureDropEvent(x, y, time, 1);
}
else
{
mCurrentGestureEvent = new GestureDragMoveEvent(x, y, time, 1);
mChangedTouchQueues.AddLast(info);
}
}
public virtual void Update(long currentTime)
{
int count = mChangedTouchQueues.Count;
if (GetActiveTouchQueueCount() > 1)
{
OnMultiTouch(currentTime);
}
else
{
if (_inMultiTouchMove)
{
mCurrentGestureEvent = new GestureEndMoveEvent(_lastMultiTouchMoveX, _lastMultiTouchMoveY, currentTime, 2);
_lastMultiTouchMoveX = _lastMultiTouchMoveY = 0;
_inMultiTouchMove = false;
}
int idx = 0;
while (mChangedTouchQueues.Count > 0 && (idx < count))
{
TouchQueueInfomation info = mChangedTouchQueues.First.Value;
mChangedTouchQueues.RemoveFirst();
idx++;
int x = 0;
int y = 0;
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
switch (info.curState)
{
case TouchState.STATE_TAP:
OnTapState(ref info, currentTime);
break;
case TouchState.STATE_SWIPE:
OnSwipeState(ref info, currentTime);
break;
case TouchState.STATE_MOVE:
OnMoveState(ref info, currentTime);
break;
case TouchState.STATE_LONG_TAP:
OnLongTapState(ref info, currentTime);
break;
case TouchState.STATE_DOUBLE_TAP:
OnDoubleTapState(ref info, currentTime);
break;
case TouchState.STATE_DRAG:
OnDragState(ref info, currentTime);
break;
case TouchState.STATE_DRAG_MOVE:
OnDragMoveState(ref info, currentTime);
break;
case TouchState.STATE_MULTI:
info.touchQueue.ForceReleaseTouch();
break;
case TouchState.STATE_NONE:
info.touchQueue.ForceReleaseTouch();
break;
default:
info.touchQueue.ForceReleaseTouch();
break;
}
}
}
}
protected virtual void OnTapState(ref TouchQueueInfomation info, long time)
{
int x = 0;
int y = 0;
if (!info.touchQueue.IsActived())
{
// touch release
if (info.repeatTimes <= 1)
{
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
if (info.releaseTime + mMaxIntervalOfDoubleClick < time)
{
// tap event
// ResetCurrentGesture();
mCurrentGestureEvent = new GestureTapEvent(x, y, time, 1);
}
else
{
mChangedTouchQueues.AddLast(info);
}
return;
}
else
{
// double click
info.curState = TouchState.STATE_DOUBLE_TAP;
mChangedTouchQueues.AddLast(info);
return;
}
}
else
{
info.touchQueue.GetAbsMaxMovingDistance(ref x, ref y);
if ((x > mMaxSteadyMoveDistanceX) || (y > mMaxSteadyMoveDistanceY))
{
// point moved, change to swipe or move state
float maxSpeed = 0;
float avgSpeed = 0;
bool gotSpeed = info.touchQueue.GetMovingSpeeds(ref maxSpeed, ref avgSpeed);
if (gotSpeed && (maxSpeed < mMinSpeedForSwipe))
{
info.curState = TouchState.STATE_MOVE;
}
else
{
info.curState = TouchState.STATE_SWIPE;
}
mChangedTouchQueues.AddLast(info);
return;
}
info.touchQueue.GetTrackStartingPosition(ref x, ref y);
if (info.touchQueue.GetCurrentDuration(time) > mMinSteadyTimeForDrag)
{
info.curState = TouchState.STATE_DRAG;
/*
* ResetCurrentGesture();
* new (mCurrentGestureEvent) GestureDragEvent(x, y, time, 1);
*/
mChangedTouchQueues.AddLast(info);
return;
}
mChangedTouchQueues.AddLast(info);
}
}
