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Get rid of IDLE gesture state

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This commit is contained in:
Pavel fljot 2012-09-03 16:34:36 +03:00
parent 3081c80355
commit 98f943b871
3 changed files with 29 additions and 27 deletions
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10
src/org/gestouch/core/GestureState.as
View file

@ -9,7 +9,6 @@ package org.gestouch.core
*/
final public class GestureState
{
public static const IDLE:GestureState = new GestureState("IDLE");
public static const POSSIBLE:GestureState = new GestureState("POSSIBLE");
public static const RECOGNIZED:GestureState = new GestureState("RECOGNIZED", true);
public static const BEGAN:GestureState = new GestureState("BEGAN");
@ -46,14 +45,13 @@ package org.gestouch.core
private static function _initClass():void
{
IDLE.setValidNextStates(POSSIBLE);
POSSIBLE.setValidNextStates(RECOGNIZED, BEGAN, FAILED);
RECOGNIZED.setValidNextStates(IDLE);
RECOGNIZED.setValidNextStates(POSSIBLE);
BEGAN.setValidNextStates(CHANGED, ENDED, CANCELLED);
CHANGED.setValidNextStates(CHANGED, ENDED, CANCELLED);
ENDED.setValidNextStates(IDLE);
FAILED.setValidNextStates(IDLE);
CANCELLED.setValidNextStates(IDLE);
ENDED.setValidNextStates(POSSIBLE);
FAILED.setValidNextStates(POSSIBLE);
CANCELLED.setValidNextStates(POSSIBLE);
allStatesInitialized = true;
}

1
src/org/gestouch/events/GestureEvent.as
View file

@ -10,7 +10,6 @@ package org.gestouch.events
*/
public class GestureEvent extends Event
{
public static const GESTURE_IDLE:String = "gestureIdle";
public static const GESTURE_POSSIBLE:String = "gesturePossible";
public static const GESTURE_RECOGNIZED:String = "gestureRecognized";
public static const GESTURE_BEGAN:String = "gestureBegan";

45
src/org/gestouch/gestures/Gesture.as
View file

@ -23,13 +23,6 @@ package org.gestouch.gestures
* @see #state
*/
[Event(name="gestureStateChange", type="org.gestouch.events.GestureEvent")]
/**
* Dispatched when the state of the gesture changes to GestureState.IDLE.
*
* @eventType org.gestouch.events.GestureEvent
* @see #state
*/
[Event(name="gestureIdle", type="org.gestouch.events.GestureEvent")]
/**
* Dispatched when the state of the gesture changes to GestureState.POSSIBLE.
*
@ -185,13 +178,20 @@ package org.gestouch.gestures
}
protected var _state:GestureState = GestureState.IDLE;
protected var _state:GestureState = GestureState.POSSIBLE;
public function get state():GestureState
{
return _state;
}
protected var _idle:Boolean = true;
gestouch_internal function get idle():Boolean
{
return _idle;
}
protected var _touchesCount:uint = 0;
/**
* Amount of currently tracked touch points.
@ -286,15 +286,16 @@ package org.gestouch.gestures
*/
public function reset():void
{
var state:GestureState = this.state;//caching getter
if (idle)
return;// Do nothing as we are idle and there is nothing to reset
if (state == GestureState.IDLE)
return;// Do nothing as we're in IDLE and nothing to reset
const state:GestureState = this.state;//caching getter
_location.x = 0;
_location.y = 0;
_touchesMap = {};
_touchesCount = 0;
_idle = true;
for (var key:* in _gesturesToFail)
{
@ -320,7 +321,7 @@ package org.gestouch.gestures
// state == GestureState.ENDED ||
// state == GestureState.FAILED ||
// state == GestureState.CANCELLED)
setState(GestureState.IDLE);
setState(GestureState.POSSIBLE);
}
}
@ -434,7 +435,7 @@ package org.gestouch.gestures
{
setState(GestureState.FAILED);
}
else if (state != GestureState.IDLE)
else
{
ignoreTouch(touch);
}
@ -503,6 +504,12 @@ package org.gestouch.gestures
_state + " to state " + newState + ".");
}
if (newState != GestureState.POSSIBLE)
{
// in case instantly switch state in touchBeganHandler()
_idle = false;
}
if (newState == GestureState.BEGAN || newState == GestureState.RECOGNIZED)
{
@ -514,7 +521,7 @@ package org.gestouch.gestures
for (key in _gesturesToFail)
{
gestureToFail = key as Gesture;
if (gestureToFail.state != GestureState.IDLE &&
if (!gestureToFail.idle &&
gestureToFail.state != GestureState.POSSIBLE &&
gestureToFail.state != GestureState.FAILED)
{
@ -637,9 +644,9 @@ package org.gestouch.gestures
onTouchBegin(touch);
if (_touchesCount == 1 && state == GestureState.IDLE)
if (_touchesCount == 1 && state == GestureState.POSSIBLE)
{
setState(GestureState.POSSIBLE);
_idle = false;
}
}
@ -701,11 +708,9 @@ package org.gestouch.gestures
// at this point all gestures-to-fail are either in IDLE or in FAILED states
setState(_pendingRecognizedState);
}
else if (event.newState != GestureState.IDLE && event.newState != GestureState.POSSIBLE)
else if (event.newState != GestureState.POSSIBLE)
{
// NB: _other_ gesture may switch to IDLE state if it was in FAILED when
// _this_ gesture initially attempted to switch to one of recognized state.
// ...and that's OK (we ignore that)
//TODO: need to re-think this over
setState(GestureState.FAILED);
}