Broke unloading the media out into its own method.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@696 ed5b42cb-e716-0410-a449-f6a68f950b19

src/as/com/threerings/flash/MediaContainer.as

@@ -315,7 +315,6 @@ public class MediaContainer extends Sprite
      */
     public function shutdown (completely :Boolean = true) :void
     {
-        try {
         // remove the mask (but only if we added it)
         if (_media != null && _media.mask != null) {
             try {
@@ -331,32 +330,10 @@ public class MediaContainer extends Sprite
             }
         }
 
-            if (_media is Loader) {
+        shutdownMedia();
-                var loader :Loader = (_media as Loader);
+        if (_media != null) {
-                //var url :String = loader.contentLoaderInfo.url;
-
-                // remove any listeners
-                removeListeners(loader.contentLoaderInfo);
-
-                // dispose of media
-                LoaderUtil.unload(loader);
-                dispatchEvent(new Event(Event.UNLOAD));
-
-                removeChild(loader);
-                //var extra :String  = (url == _url) ? "" : (", _url=" + _url);
-                //log.debug("Unloaded media [url=" + url + extra + "].");
-
-            } else if (_media is SimpleVideoDisplay) {
-                var vid :SimpleVideoDisplay = SimpleVideoDisplay(_media);
-//                vid.removeEventListener(VideoPlayerCodes.SIZE, handleVideoSizeKnown);
-                vid.unload();
-                removeChild(vid);
-
-            } else if (_media != null) {
             removeChild(_media);
-            }
+            dispatchEvent(new Event(Event.UNLOAD));
-        } catch (ioe :IOError) {
-            log.warning("Error shutting down media", ioe);
         }
 
         // clean everything up
@@ -743,6 +720,35 @@ public class MediaContainer extends Sprite
         // nada
     }
 
+    /**
+     * Do whatever is necessary to shut down the media.
+     */
+    protected function shutdownMedia () :void
+    {
+        if (_media is Loader) {
+            try {
+                var loader :Loader = (_media as Loader);
+                //var url :String = loader.contentLoaderInfo.url;
+
+                // remove any listeners
+                removeListeners(loader.contentLoaderInfo);
+
+                // dispose of media
+                LoaderUtil.unload(loader);
+
+                //var extra :String  = (url == _url) ? "" : (", _url=" + _url);
+                //log.debug("Unloaded media [url=" + url + extra + "].");
+            } catch (ioe :IOError) {
+                log.warning("Error shutting down media", ioe);
+            }
+
+        } else if (_media is SimpleVideoDisplay) {
+            var vid :SimpleVideoDisplay = SimpleVideoDisplay(_media);
+//            vid.removeEventListener(VideoPlayerCodes.SIZE, handleVideoSizeKnown);
+            vid.unload();
+        }
+    }
+
     /** The unaltered URL of the content we're displaying. */
     protected var _url :String;