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Refactor hit-test and default (native) related bootstrapping

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This commit is contained in:
Pavel fljot 2013-06-13 11:17:52 +04:00
parent 46919cf710
commit 8d5e338715
7 changed files with 159 additions and 42 deletions
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26
src/org/gestouch/core/Gestouch.as
View file

@ -1,12 +1,11 @@
package org.gestouch.core
{
import org.gestouch.extensions.native.NativeDisplayListAdapter;
import org.gestouch.extensions.native.NativeTouchHitTester;
import flash.display.DisplayObject;
import flash.utils.Dictionary;
import flash.utils.getQualifiedClassName;
import org.gestouch.extensions.native.NativeDisplayListAdapter;
/**
* @author Pavel fljot
@ -15,10 +14,6 @@ package org.gestouch.core
{
private static const _displayListAdaptersMap:Dictionary = new Dictionary();
{
initClass();
}
/** @private */
private static var _inputAdapter:IInputAdapter;
@ -91,7 +86,15 @@ package org.gestouch.core
gestouch_internal static function createGestureTargetAdapter(target:Object):IDisplayListAdapter
{
const adapter:IDisplayListAdapter = Gestouch.gestouch_internal::getDisplayListAdapter(target);
var adapter:IDisplayListAdapter = Gestouch.gestouch_internal::getDisplayListAdapter(target);
// Lazy add display list adapter for flash.display::DisplayObject
if (!adapter && target is flash.display.DisplayObject)
{
adapter = new NativeDisplayListAdapter();
Gestouch.addDisplayListAdapter(DisplayObject, adapter);
}
if (adapter)
{
return new (adapter.reflect())(target);
@ -114,12 +117,5 @@ package org.gestouch.core
return null;
}
private static function initClass():void
{
addTouchHitTester(new NativeTouchHitTester());
addDisplayListAdapter(DisplayObject, new NativeDisplayListAdapter());
}
}
}

13
src/org/gestouch/core/GesturesManager.as
View file

@ -1,17 +1,19 @@
package org.gestouch.core
{
import flash.errors.IllegalOperationError;
import org.gestouch.gestures.Gesture;
import org.gestouch.input.NativeInputAdapter;
import flash.display.DisplayObject;
import flash.display.Shape;
import flash.display.Stage;
import flash.errors.IllegalOperationError;
import flash.events.Event;
import flash.events.IEventDispatcher;
import flash.utils.Dictionary;
import flash.utils.getQualifiedClassName;
import org.gestouch.extensions.native.NativeTouchHitTester;
import org.gestouch.gestures.Gesture;
import org.gestouch.input.NativeInputAdapter;
/**
* @author Pavel fljot
*/
@ -48,6 +50,7 @@ package org.gestouch.core
_stage = stage;
Gestouch.inputAdapter ||= new NativeInputAdapter(stage);
Gestouch.addTouchHitTester(new NativeTouchHitTester(stage));
}
@ -104,7 +107,7 @@ package org.gestouch.core
}
else
{
targetAsDO.addEventListener(Event.ADDED_TO_STAGE, gestureTarget_addedToStageHandler);
targetAsDO.addEventListener(Event.ADDED_TO_STAGE, gestureTarget_addedToStageHandler, false,0, true);
}
}
}

3
src/org/gestouch/core/ITouchHitTester.as
View file

@ -1,6 +1,5 @@
package org.gestouch.core
{
import flash.display.InteractiveObject;
import flash.geom.Point;
@ -9,6 +8,6 @@ package org.gestouch.core
*/
public interface ITouchHitTester
{
function hitTest(point:Point, nativeTarget:InteractiveObject):Object;
function hitTest(point:Point, possibleTarget:Object = null):Object;
}
}

7
src/org/gestouch/core/TouchesManager.as
View file

@ -1,6 +1,5 @@
package org.gestouch.core
{
import flash.display.InteractiveObject;
import flash.display.Stage;
import flash.geom.Point;
import flash.utils.Dictionary;
@ -90,8 +89,8 @@ package org.gestouch.core
}
gestouch_internal function onTouchBegin(touchID:uint, x:Number, y:Number, nativeTarget:InteractiveObject = null):Boolean
{
gestouch_internal function onTouchBegin(touchID:uint, x:Number, y:Number, possibleTarget:Object = null):Boolean
{
if (touchID in _touchesMap)
return false;// touch with specified ID is already registered and being tracked
@ -119,7 +118,7 @@ package org.gestouch.core
var altTarget:Object;
for each (var hitTester:ITouchHitTester in _hitTesters)
{
target = hitTester.hitTest(location, nativeTarget);
target = hitTester.hitTest(location, possibleTarget);
if (target)
{
if ((target is Stage))

94
src/org/gestouch/extensions/native/DisplayObjectUtils.as Normal file
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@ -0,0 +1,94 @@
package org.gestouch.extensions.native
{
import flash.display.DisplayObject;
import flash.display.DisplayObjectContainer;
import flash.display.InteractiveObject;
import flash.display.Stage;
import flash.geom.Point;
/**
* @author Valentin Simonov
*/
public class DisplayObjectUtils
{
/**
* Searches display list for top most instance of InteractiveObject.
* Checks if mouseEnabled is true and (optionally) parent's mouseChildren.
* @param stage Stage object.
* @param point Global point to test.
* @param mouseChildren If true also checks parents chain for mouseChildren == true.
* @param startFrom An index to start looking from in objects under point array.
* @return Top most InteractiveObject or Stage.
*/
public static function getTopTarget(stage:Stage, point:Point, mouseChildren:Boolean = true, startFrom:uint = 0):InteractiveObject
{
var targets:Array = stage.getObjectsUnderPoint(point);
if (!targets.length) return stage;
var startIndex:int = targets.length - 1 - startFrom;
if (startIndex < 0) return stage;
outer:
for (var i:int = startIndex; i >= 0; i--)
{
var target:DisplayObject = targets[i] as DisplayObject;
while (target != stage)
{
if (target is InteractiveObject)
{
if ((target as InteractiveObject).mouseEnabled)
{
if (mouseChildren)
{
var lastMouseActive:InteractiveObject = target as InteractiveObject;
var parent:DisplayObjectContainer = target.parent;
while (parent)
{
if (!lastMouseActive && parent.mouseEnabled)
{
lastMouseActive = parent;
}
else if (!parent.mouseChildren)
{
if (parent.mouseEnabled)
{
lastMouseActive = parent;
}
else
{
lastMouseActive = null;
}
}
parent = parent.parent;
}
if (lastMouseActive)
{
return lastMouseActive;
}
else
{
return stage;
}
}
else
{
return target as InteractiveObject;
}
}
else
{
continue outer;
}
}
else
{
target = target.parent;
}
}
}
return stage;
}
}
}

33
src/org/gestouch/extensions/native/NativeTouchHitTester.as
View file

@ -1,19 +1,40 @@
package org.gestouch.extensions.native
{
import org.gestouch.core.ITouchHitTester;
import flash.display.InteractiveObject;
import flash.display.DisplayObject;
import flash.display.Stage;
import flash.geom.Point;
import org.gestouch.core.ITouchHitTester;
/**
* @author Pavel fljot
*/
final public class NativeTouchHitTester implements ITouchHitTester
public class NativeTouchHitTester implements ITouchHitTester
{
public function hitTest(point:Point, nativeTarget:InteractiveObject):Object
private var stage:Stage;
public function NativeTouchHitTester(stage:Stage)
{
return nativeTarget;
if (!stage)
{
throw ArgumentError("Missing stage argument.");
}
this.stage = stage;
}
public function hitTest(point:Point, possibleTarget:Object = null):Object
{
if (possibleTarget && possibleTarget is DisplayObject)
{
return possibleTarget;
}
// Fallback target detection through getObjectsUnderPoint
return DisplayObjectUtils.getTopTarget(stage, point);
}
}
}

25
src/org/gestouch/extensions/starling/StarlingTouchHitTester.as
View file

@ -1,34 +1,39 @@
package org.gestouch.extensions.starling
{
import starling.core.Starling;
import flash.geom.Point;
import org.gestouch.core.ITouchHitTester;
import flash.display.InteractiveObject;
import flash.geom.Point;
import starling.core.Starling;
import starling.display.DisplayObject;
/**
* @author Pavel fljot
*/
final public class StarlingTouchHitTester implements ITouchHitTester
public class StarlingTouchHitTester implements ITouchHitTester
{
private var starling:Starling;
public function StarlingTouchHitTester(starling:Starling)
{
if (!starling)
{
throw ArgumentError("Missing starling argument.");
}
this.starling = starling;
}
public function hitTest(point:Point, nativeTarget:InteractiveObject):Object
public function hitTest(point:Point, possibleTarget:Object = null):Object
{
if (possibleTarget && possibleTarget is DisplayObject)
{
return possibleTarget;
}
point = StarlingUtils.adjustGlobalPoint(starling, point);
return starling.stage.hitTest(point, true);
}