Added a method: getSize()

and a new event: SizeChangedEvent.

So that games can query and listen for changes to the size of their
display area.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@470 c613c5cb-e716-0410-b11b-feb51c14d237

src/as/com/threerings/ezgame/SizeChangedEvent.as

@@ -0,0 +1,68 @@
+//
+// $Id$
+//
+// Vilya library - tools for developing networked games
+// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/vilya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.ezgame {
+
+import flash.events.Event;
+
+import flash.geom.Point;
+
+/**
+ * Dispatched when the size of the game area changes, for example as a result of the user
+ * resizing their browser window.
+ */
+public class SizeChangedEvent extends EZEvent
+{
+    /** The type of this event. */
+    public static const TYPE :String = "SizeChanged";
+
+    /**
+     * Get the size of the game area, expressed as a Point
+     * (The width is the x value, the height is the y value).
+     */
+    public function get size () :Point
+    {
+        return _size;
+    }
+
+    /**
+     * Constructor.
+     */
+    public function SizeChangedEvent (ezgame :EZGameControl, size :Point)
+    {
+        super(TYPE, ezgame);
+        _size = size;
+    }
+
+    override public function toString () :String
+    {
+        return "[SizeChangedEvent size=" + _size + "]";
+    }
+
+    override public function clone () :Event
+    {
+        return new SizeChangedEvent(_ezgame, _size.clone());
+    }
+
+    /** Our implementation details. */
+    protected var _size: Point;
+}
+}