Removing Element.rect.

samples/swipe/swipe.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library swipe;
 
 import 'dart:html';
 import 'dart:math';
 
 Element target;
@@ skipping 55 matching lines @@
   });
 
   document.on.keyUp.add((event) => stopSpin());
 }
 
 void initialize3D() {
   target.classes.add("transformable");
 
   num childCount = target.elements.length;
 
-  query("#target").rect.then((ElementRect r) {
-    num width = r.client.width;
+  window.requestLayoutFrame(() {
+    num width = query("#target").clientWidth;
     figureWidth = (width / 2) ~/ tan(PI / childCount);
 
     target.style.transform = "translateZ(-${figureWidth}px)";
 
     num radius = (figureWidth * 1.2).round();
     query('#container2').style.width = "${radius}px";
 
     for (int i = 0; i < childCount; i++) {
       var panel = target.elements[i];
 
@@ skipping 31 matching lines @@
 
 /**
  * Stop any spin that may be in progress.
  */
 void stopSpin() {
   if (timeoutHandle != null) {
     window.clearInterval(timeoutHandle);
     timeoutHandle = null;
   }
 }