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Implement touch cancelation handling

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This commit is contained in:
Pavel fljot 2012-08-01 19:41:58 +03:00
parent 7bfb1fae36
commit 9c817b7472
2 changed files with 43 additions and 1 deletions
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15
src/org/gestouch/core/GesturesManager.as
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@ -313,7 +313,20 @@ package org.gestouch.core
gestouch_internal function onTouchCancel(touch:Touch):void gestouch_internal function onTouchCancel(touch:Touch):void
{ {
//TODO var gesturesForTouch:Vector.<Gesture> = _gesturesForTouchMap[touch] as Vector.<Gesture>;
var gesture:Gesture;
var i:uint = gesturesForTouch.length;
while (i-- > 0)
{
gesture = gesturesForTouch[i];
if (!_dirtyGesturesMap[gesture] && gesture.isTrackingTouch(touch.id))
{
gesture.touchCancelHandler(touch);
}
}
gesturesForTouch.length = 0;// release for GC
} }

29
src/org/gestouch/gestures/Gesture.as
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@ -407,6 +407,14 @@ package org.gestouch.gestures
} }
/**
*
*/
protected function onTouchCancel(touch:Touch):void
{
}
protected function setState(newState:GestureState):Boolean protected function setState(newState:GestureState):Boolean
{ {
if (_state == newState && _state == GestureState.CHANGED) if (_state == newState && _state == GestureState.CHANGED)
@ -576,6 +584,27 @@ package org.gestouch.gestures
} }
gestouch_internal function touchCancelHandler(touch:Touch):void
{
delete _touchesMap[touch.id];
_touchesCount--;
onTouchCancel(touch);
if (!state.isEndState)
{
if (state == GestureState.BEGAN || state == GestureState.CHANGED)
{
setState(GestureState.CANCELLED);
}
else
{
setState(GestureState.FAILED);
}
}
}
protected function gestureToFail_stateChangeHandler(event:GestureStateEvent):void protected function gestureToFail_stateChangeHandler(event:GestureStateEvent):void
{ {
if (!_pendingRecognizedState || state != GestureState.POSSIBLE) if (!_pendingRecognizedState || state != GestureState.POSSIBLE)