Implement measurement using futures

client/samples/total/src/DomUtils.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.
 
 /**
  * Utilities for [Element]s.
  */
 class DomUtils {
-
-  /**
-   * Returns an element's absolute bottom coordinate in the document's coordinate system.
-   */
-  static int getAbsoluteBottom(Element elem) => getAbsoluteTop(elem) + elem.offsetHeight;
-
-  /**
-   * Returns an element's absolute left coordinate in the document's coordinate system.
-   */
-  static int getAbsoluteLeft(Element elem) {
-    int left = 0;
-    Element curr = elem;
-    while (curr.offsetParent != null) {
-      left -= curr.scrollLeft;
-      curr = curr.parent;
-    }
-    while (elem != null) {
-      left += elem.offsetLeft;
-      elem = elem.offsetParent;
-    }
-    return left;
-  }
-
-  /**
-   * Returns an element's absolute right coordinate in the document's coordinate system.
-   */
-  static int getAbsoluteRight(Element elem) => getAbsoluteLeft(elem) + elem.offsetWidth;
-
-  /**
-   * Returns an element's absolute top coordinate in the document's coordinate system.
-   */
-  static int getAbsoluteTop(Element elem) {
-    int top = 0;
-    Element curr = elem;
-    while (curr.offsetParent != null) {
-      top -= curr.scrollTop;
-      curr = curr.parent;
-    }
-    while (elem != null) {
-      top += elem.offsetTop;
-      elem = elem.offsetParent;
-    }
-    return top;
-  }
-
   /**
    * Removes a property on the given element's style.
    */
   static void removeStyleProperty(Element elem, String name) {
     elem.style.removeProperty(name);
   }
 
   /**
    * Sets a property on the given element's style.
    */
   static void setStyleProperty(Element elem, String name, String value) {
     elem.style.setProperty(name, value);
   }
 
   /**
    * Sets an integer property (with optional unit) on the given element's style.
    */
   static void setStylePropertyInt(Element elem, String name, int value, [String unit = ""]) {
     setStyleProperty(elem, name, value.toString() + unit);
   }
 }