Combine window.setTimeout/setInterval with Timer and Timer.repeating. Also

samples/swarm/swarm_ui_lib/layout/GridLayout.dart

 // Copyright (c) 2011, 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.
 
 part of layout;
 
 /**
  * Implements a grid-based layout system based on:
  * [http://dev.w3.org/csswg/css3-grid-align/]
  *
@@ skipping 83 matching lines @@
   void cacheExistingBrowserLayout() {
     // We don't need to do anything as we don't rely on the _cachedViewRect
     // when the grid layout is used.
   }
 
   // TODO(jacobr): cleanup this method so that it returns a Future
   // rather than taking a Completer as an argument.
   /** The main entry point for layout computation. */
   void measureLayout(Future<Size> size, Completer<bool> changed) {
     _ensureAllTracks();
-    window.setImmediate(() {
+    window.immediate.then((_) {
       _gridWidth = size.value.width;
       _gridHeight = size.value.height;
 
       if (_rowTracks.length > 0 && _columnTracks.length > 0) {
         _measureTracks();
         _setBoundsOfChildren();
         if (changed != null) {
           changed.complete(true);
         }
       }
@@ skipping 397 matching lines @@
     }
     return result;
   }
 
   int _getSpanCount(ViewLayout item) {
     GridLayoutParams childLayout = item.layoutParams;
     return (_dimension == Dimension.WIDTH ?
         childLayout.columnSpan : childLayout.rowSpan);
   }
 }