Add a disabled property to DOMUI lists

chrome/browser/resources/shared/js/cr/ui/list.js

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // require: listselectionmodel.js
 
 /**
  * @fileoverview This implements a list control.
  */
 
@@ skipping 265 matching lines @@
       if (!this.hasAttribute('tabindex'))
         this.tabIndex = 0;
     },
 
     /**
      * Callback for mousedown and mouseup events.
      * @param {Event} e The mouse event object.
      * @private
      */
     handleMouseDownUp_: function(e) {
+      if (this.disabled)
+        return;
+
       var target = e.target;
 
       // If the target was this element we need to make sure that the user did
       // not click on a border or a scrollbar.
       if (target == this && !inViewport(target, e))
         return;
 
       while (target && target.parentNode != this) {
         target = target.parentNode;
       }
 
       if (!target) {
         this.selectionController_.handleMouseDownUp(e, -1);
       } else {
         var cs = getComputedStyle(target);
         var top = target.offsetTop -
                   parseFloat(cs.marginTop);
         var index = Math.floor(top / this.itemHeight_);
         this.selectionController_.handleMouseDownUp(e, index);
       }
     },
 
     /**
      * Handle a keydown event.
      * @param {Event} e The keydown event.
      * @return {boolean} Whether the key event was handled.
      */
     handleKeyDown: function(e) {
+      if (this.disabled)
+        return;
+
       return this.selectionController_.handleKeyDown(e);
     },
 
     /**
      * Callback from the selection model. We dispatch {@code change} events
      * when the selection changes.
      * @param {!cr.Event} e Event with change info.
      * @private
      */
     handleOnChange_: function(ce) {
@@ skipping 227 matching lines @@
      * @param {number} index The row index to redraw.
      */
     redrawItem: function(index) {
       if (index >= this.firstIndex_ && index < this.lastIndex_) {
         delete this.cachedItems_[index];
         this.redraw();
       }
     }
   };
 
+  cr.defineProperty(List, 'disabled', cr.PropertyKind.BOOL_ATTR);
+
   return {
     List: List
   }
 });