public override bool OnTouchEvent(MotionEvent e)
{
if (!this.Enabled)
{
return false;
}
TouchDelegate delegte = null;
switch (e.Action)
{
case MotionEventActions.Down :
for (int i = 0; i < this.mTouchDelegates.Count; i++) {
TouchDelegate touchDelegate = mTouchDelegates[i];
if (touchDelegate.OnTouchEvent(e))
{
mCurrentTouchDelegate = touchDelegate;
return true;
}
}
break;
case MotionEventActions.Move :
delegte = mCurrentTouchDelegate;
break;
case MotionEventActions.Cancel:
case MotionEventActions.Up:
delegte = mCurrentTouchDelegate;
mCurrentTouchDelegate = null;
break;
}
return delegte != null && delegte.OnTouchEvent(e);
}
public void addTouchDelegate(TouchDelegate touchDelegate)
{
if (touchDelegate == null)
throw new ArgumentNullException("touchDelegate cannot be null!");
this.mTouchDelegates.Add(touchDelegate);
}
public void removeTouchDelegate(TouchDelegate touchDelegate)
{
mTouchDelegates.Remove(touchDelegate);
if (mCurrentTouchDelegate == touchDelegate) {
mCurrentTouchDelegate = null;
}
}
public void clearTouchDelegates()
{
mTouchDelegates.Clear();
mCurrentTouchDelegate = null;
}