Implement measurement using futures

client/touch/FxUtil.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.
 
 /**
  * Common effects related helpers.
  */
 class FxUtil {
   /** On transition end event. */
   static final TRANSITION_END_EVENT = 'webkitTransitionEnd';
 
   /** The translate3d transform function. */
   static final TRANSLATE_3D = 'translate3d';
 
   /** The rotate transform function. */
   static final ROTATE = 'rotate';
 
   /** The scale transform function. */
   static final SCALE = 'scale';
 
-  /**
-   * Apply a -webkit-transition on an element using the [duration] of this
-   * animation in ms.
-   */
-  static void setWebkitTransition(
-      Element el, num duration,
-      [String property = StyleUtil.TRANSFORM_STYLE,
-       String timingFunction = TransitionTimingFunction.EASE_IN_OUT]) {
-    el.style.transition = '${property} ${duration}ms ${timingFunction}';
-  }
-
   /** Stops and clears the transition on an element. */
   static void clearWebkitTransition(Element el) {
     el.style.transition = '';
   }
 
   static void setPosition(Element el, Coordinate point) {
     num x = point.x;
     num y = point.y;
     el.style.transform = '${TRANSLATE_3D}(${x}px,${y}px,0px)';
   }
@@ skipping 58 matching lines @@
    * Translates [el], an HTML element that has a relative CSS
    * position, by setting its left and top CSS styles.
    */
   static void setLeftAndTop(Element el, num x, num y) {
     final style = el.style;
     style.left = '${x}px';
     style.top = '${y}px';
   }
 }
 
-
-/**
- * Utilities for element styles.
- */
-class StyleUtil {
-  // TODO(jacobr): Need a good way to set this to -moz, or -o names.
-  /** Style name for transform. */
-  static final TRANSFORM_STYLE = '-webkit-transform';
-
-  /**
-   * Retrieves a computed style value of a node.
-   *
-   * Limitations:
-   * - Does not report border styles correctly in Webkit.
-   */
-  static CSSStyleDeclaration getComputedStyle(Element element) {
-    // TODO(jmesserly): last param should be null, see b/5045788
-    return window.getComputedStyle(element, '');
-  }
-
-  /** Retrieves the current transform of an element. */
-  static CSSMatrix getCurrentTransformMatrix(Element element) {
-    // TODO(jacobr): when poossible switch back to
-    // return new CSSMatrix(transform);
-    return new CSSMatrix(
-        getComputedStyle(element).transform);
-  }
-}
-
 class TransitionTimingFunction {
   static final EASE_IN = 'ease-in';
   static final EASE_OUT = 'ease-out';
   static final EASE_IN_OUT = 'ease-in-out';
 }