Removing Element.rect.

samples/ui_lib/layout/ViewLayout.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.
 
 /** The interface that the layout algorithms use to talk to the view. */
 abstract class Positionable {
   ViewLayout get layout;
 
   /** Gets our custom CSS properties, as provided by the CSS preprocessor. */
   Map<String, String> get customStyle;
@@ skipping 53 matching lines @@
  * Abstract base class for View layout. Tracks relevant layout state.
  * This code was inspired by code in Android's View.java; it's needed for the
  * rest of the layout system.
  */
 class ViewLayout {
   /**
    * The layout parameters associated with this view and used by the parent
    * to determine how this view should be laid out.
    */
   LayoutParams layoutParams;
-  Future<ElementRect> _cachedViewRect;
+  int _offsetWidth;
+  int _offsetHeight;
 
   /** The view that this layout belongs to. */
   final Positionable view;
 
   /**
    * To get a perforant positioning model on top of the DOM, we read all
    * properties in the first pass while computing positions. Then we have a
    * second pass that actually moves everything.
    */
   int _measuredLeft, _measuredTop, _measuredWidth, _measuredHeight;
@@ skipping 13 matching lines @@
     }
   }
 
   static bool hasCustomLayout(Positionable view) {
     return view.customStyle['display'] == "-dart-grid";
   }
 
   CSSStyleDeclaration get _style => layoutParams.style.value;
 
   void cacheExistingBrowserLayout() {
-    _cachedViewRect = view.node.rect;
+    _offsetWidth = view.node.offsetWidth;
+    _offsetHeight = view.node.offsetHeight;
   }
 
   int get currentWidth {
-    return _cachedViewRect.value.offset.width;
+    return _offsetWidth;
   }
 
   int get currentHeight {
-    return _cachedViewRect.value.offset.height;
+    return _offsetHeight;
   }
 
   int get borderLeftWidth => _toPixels(_style.borderLeftWidth);
   int get borderTopWidth => _toPixels(_style.borderTopWidth);
   int get borderRightWidth => _toPixels(_style.borderRightWidth);
   int get borderBottomWidth => _toPixels(_style.borderBottomWidth);
   int get borderWidth => borderLeftWidth + borderRightWidth;
   int get borderHeight => borderTopWidth + borderBottomWidth;
 
   /** Implements the custom layout computation. */
@@ skipping 96 matching lines @@
       // For an unset max-content size, use the actual size
       return size;
     }
     if (style.endsWith('%')) {
       num percent = double.parse(style.substring(0, style.length - 1));
       return ((percent / 100) * parentSize).toInt();
     }
     return _toPixels(style);
   }
 }