Added setMediaBytes().

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@553 ed5b42cb-e716-0410-a449-f6a68f950b19

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

@@ -45,6 +45,8 @@ import flash.events.TextEvent;
 import flash.geom.Point;
 import flash.geom.Rectangle;
 
+import flash.net.URLRequest;
+
 import flash.text.TextField;
 import flash.text.TextFieldAutoSize;
 
@@ -53,7 +55,7 @@ import flash.system.LoaderContext;
 import flash.system.Security;
 import flash.system.SecurityDomain;
 
-import flash.net.URLRequest;
+import flash.utils.ByteArray;
 
 import com.threerings.util.Log;
 import com.threerings.util.StringUtil;
@@ -154,6 +156,22 @@ public class MediaContainer extends Sprite
         }
     }
 
+    /**
+     * Set the media to display as a ByteArray.
+     */
+    public function setMediaBytes (bytes :ByteArray) :void
+    {
+        if (_media != null) {
+            shutdown(false);
+        }
+        _url = null;
+
+        willShowNewMedia();
+        startedLoading();
+        initLoader().loadBytes(bytes, getContext(null));
+        didShowNewMedia();
+    }
+
     /**
      * Configure our media as an instance of the specified class.
      */
@@ -492,6 +510,10 @@ public class MediaContainer extends Sprite
      */
     protected function isImage (url :String) :Boolean
     {
+        if (url == null) {
+            return false;
+        }
+
         // look at the last 4 characters in the lowercased url
         switch (url.toLowerCase().slice(-4)) {
         case ".png":