Improved early failing strategy implementation

as in iOS UIGestureRecognizers. Also fixes bugs with new validating state machine.

src/org/gestouch/gestures/Gesture.as

@@ -367,6 +367,19 @@ package org.gestouch.gestures
 		}
 		
 		
+		protected function failOrIgnoreTouch(touch:Touch):void
+		{
+			if (state == GestureState.POSSIBLE)
+			{
+				setState(GestureState.FAILED);
+			}
+			else if (state != GestureState.IDLE)
+			{
+				ignoreTouch(touch);
+			}
+		}
+		
+		
 		[Abstract]
 		/**
 		 * <p><b>NB!</b> This is abstract method and must be overridden.</p>

src/org/gestouch/gestures/LongPressGesture.as

@@ -84,14 +84,7 @@ package org.gestouch.gestures
 		{
 			if (touchesCount > numTouchesRequired)
 			{
-				if (state == GestureState.BEGAN || state == GestureState.CHANGED)
-				{
-					ignoreTouch(touch);
-				}
-				else
-				{
-					setState(GestureState.FAILED);
-				}
+				failOrIgnoreTouch(touch);
 				return;
 			}
 			

src/org/gestouch/gestures/PanGesture.as

@@ -116,15 +116,14 @@ package org.gestouch.gestures
 		{
 			if (touchesCount > maxNumTouchesRequired)
 			{
-				//TODO
-				ignoreTouch(touch);
+				failOrIgnoreTouch(touch);
 				return;
 			}
 			
 			if (touchesCount >= minNumTouchesRequired)
 			{
 				updateLocation();
-			}			
+			}
 		}
 		
 		

src/org/gestouch/gestures/RotateGesture.as

@@ -60,8 +60,7 @@ package org.gestouch.gestures
 		{
 			if (touchesCount > 2)
 			{
-				//TODO
-				ignoreTouch(touch);
+				failOrIgnoreTouch(touch);
 				return;
 			}
 			

src/org/gestouch/gestures/SwipeGesture.as

@@ -78,8 +78,7 @@ package org.gestouch.gestures
 		{
 			if (touchesCount > numTouchesRequired)
 			{
-				//TODO: or ignore?
-				setState(GestureState.FAILED);
+				failOrIgnoreTouch(touch);
 				return;
 			}
 			

src/org/gestouch/gestures/TapGesture.as

@@ -93,9 +93,7 @@ package org.gestouch.gestures
 		{
 			if (touchesCount > numTouchesRequired)
 			{
-				// We put more fingers then required at the same time,
-				// so treat that as failed
-				setState(GestureState.FAILED);
+				failOrIgnoreTouch(touch);
 				return;
 			}
 			

src/org/gestouch/gestures/TransformGesture.as

@@ -66,8 +66,7 @@ package org.gestouch.gestures
 		{
 			if (touchesCount > 2)
 			{
-				//TODO: to ignore or to keep this touch somewhere?
-				ignoreTouch(touch);
+				failOrIgnoreTouch(touch);
 				return;
 			}
 			

src/org/gestouch/gestures/ZoomGesture.as

@@ -60,8 +60,7 @@ package org.gestouch.gestures
 		{
 			if (touchesCount > 2)
 			{
-				//TODO
-				ignoreTouch(touch);
+				failOrIgnoreTouch(touch);
 				return;
 			}