add zoom functionality

kutu · Jul 20, 2013 · e8a4efe · e8a4efe
1 parent 69857ea
commit e8a4efe
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diff --git a/src/ru/kutu/grindplayer/events/PlayerVideoZoomEvent.as b/src/ru/kutu/grindplayer/events/PlayerVideoZoomEvent.as
@@ -0,0 +1,25 @@
+package ru.kutu.grindplayer.events {
+
+	import flash.events.Event;
+
+	public class PlayerVideoZoomEvent extends Event {
+
+		public static const ZOOM_IN:String = "playerVideoZoom.in";
+		public static const ZOOM_OUT:String = "playerVideoZoom.out";
+		public static const ZOOM_RESET:String = "playerVideoZoom.reset";
+
+		public function PlayerVideoZoomEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false) {
+			super(type, bubbles, cancelable);
+		}
+
+		override public function clone():Event {
+			return new PlayerVideoZoomEvent(type, bubbles, cancelable);
+		}
+
+		override public function toString():String {
+			return formatToString("PlayerVideoZoomEvent", "type", "bubbles", "cancelable", "eventPhase");
+		}
+
+	}
+
+}
diff --git a/src/ru/kutu/grindplayer/views/mediators/PlayerViewMediator.as b/src/ru/kutu/grindplayer/views/mediators/PlayerViewMediator.as
@@ -14,6 +14,7 @@ package ru.kutu.grindplayer.views.mediators {
 
 	import ru.kutu.grind.views.mediators.PlayerViewBaseMediator;
 	import ru.kutu.grindplayer.config.GrindPlayerConfiguration;
+	import ru.kutu.grindplayer.events.PlayerVideoZoomEvent;
 	import ru.kutu.osmf.advertisement.AdvertisementPluginInfo;
 	import ru.kutu.osmf.subtitles.SubtitlesPluginInfo;
 
@@ -23,6 +24,8 @@ package ru.kutu.grindplayer.views.mediators {
 
 	public class PlayerViewMediator extends PlayerViewBaseMediator {
 
+		private var _zoom:int;
+
 		override protected function processConfiguration(flashvars:Object):void {
 			CONFIG::DEV {
 				flashvars.src = "";
@@ -70,6 +73,47 @@ package ru.kutu.grindplayer.views.mediators {
 			}
 		}
 
+		override protected function initializeView():void {
+			super.initializeView();
+
+			addContextListener(PlayerVideoZoomEvent.ZOOM_IN, onZoom, PlayerVideoZoomEvent);
+			addContextListener(PlayerVideoZoomEvent.ZOOM_OUT, onZoom, PlayerVideoZoomEvent);
+			addContextListener(PlayerVideoZoomEvent.ZOOM_RESET, onZoom, PlayerVideoZoomEvent);
+		}
+
+		override protected function onViewResize(event:Event = null):void {
+			if (mediaContainer) {
+				const w:Number = view.mediaPlayerContainer.width;
+				const h:Number = view.mediaPlayerContainer.height;
+				videoContainer.width = w * (100 + _zoom) / 100;
+				videoContainer.height = h * (100 + _zoom) / 100;
+				videoContainer.validateNow();
+				videoContainer.x = (w - videoContainer.width) / 2;
+				videoContainer.y = (h - videoContainer.height) / 2;
+				mediaContainer.width = w;
+				mediaContainer.height = h;
+				hitArea.graphics.clear();
+				hitArea.graphics.beginFill(0);
+				hitArea.graphics.drawRect(0, 0, w, h);
+			}
+		}
+
+		private function get zoom():int { return _zoom }
+		private function set zoom(value:int):void {
+			if (value < -90) value = -90;
+			if (value == _zoom) return;
+			_zoom = value;
+			onViewResize();
+		}
+
+		private function onZoom(event:PlayerVideoZoomEvent):void {
+			switch (event.type) {
+				case PlayerVideoZoomEvent.ZOOM_IN:    zoom++;   break;
+				case PlayerVideoZoomEvent.ZOOM_OUT:   zoom--;   break;
+				case PlayerVideoZoomEvent.ZOOM_RESET: zoom = 0; break;
+			}
+		}
+
 		private function onFullScreen(event:FullScreenEvent = null):void {
 			view.controlBarAutoHide = contextView.view.stage.displayState == StageDisplayState.NORMAL
 				? configuration.controlBarAutoHide

diff --git a/src/ru/kutu/grindplayer/views/mediators/ShortcutsMediator.as b/src/ru/kutu/grindplayer/views/mediators/ShortcutsMediator.as
@@ -8,9 +8,28 @@ package ru.kutu.grindplayer.views.mediators {
 
 	import ru.kutu.grind.events.StatInfoEvent;
 	import ru.kutu.grind.views.mediators.ShortcutsBaseMediator;
+	import ru.kutu.grindplayer.events.PlayerVideoZoomEvent;
 
 	public class ShortcutsMediator extends ShortcutsBaseMediator {
 
+		override protected function onKeyDown(event:KeyboardEvent):void {
+			super.onKeyDown(event);
+
+			switch (event.keyCode) {
+				// zoom in
+				case Keyboard.EQUAL:
+				case Keyboard.NUMPAD_ADD:
+					dispatch(new PlayerVideoZoomEvent(PlayerVideoZoomEvent.ZOOM_IN));
+					break;
+
+				// zoom out
+				case Keyboard.MINUS:
+				case Keyboard.NUMPAD_SUBTRACT:
+					dispatch(new PlayerVideoZoomEvent(PlayerVideoZoomEvent.ZOOM_OUT));
+					break;
+			}
+		}
+
 		override protected function onKeyUp(event:KeyboardEvent):void {
 			super.onKeyUp(event);
 
@@ -27,6 +46,12 @@ package ru.kutu.grindplayer.views.mediators {
 				case Keyboard.T:
 					dispatch(new StatInfoEvent(StatInfoEvent.TOGGLE));
 					break;
+
+				// zoom reset
+				case Keyboard.NUMBER_0:
+				case Keyboard.NUMPAD_0:
+					dispatch(new PlayerVideoZoomEvent(PlayerVideoZoomEvent.ZOOM_RESET));
+					break;
 			}
 		}