NTP: Adds a context menu to the apps section...

chrome/browser/resources/shared/js/cr/ui/position_util.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.
 
 /**
  * @fileoverview This file provides utility functions for position popups.
  */
 
 cr.define('cr.ui', function() {
 
@@ skipping 39 matching lines @@
   };
 
   /**
    * Helper function for positionPopupAroundElement and positionPopupAroundRect.
    * @param {!Rect} anchorRect The rect for the anchor.
    * @param {!HTMLElement} popupElement The element used for the popup.
    * @param {AnchorType} type The type of anchoring to do.
    */
   function positionPopupAroundRect(anchorRect, popupElement, type) {
     var popupRect = popupElement.getBoundingClientRect();
-    var popupContainer = popupElement.offsetParent;
+    var popupContainer;
+    var cs = popupElement.ownerDocument.defaultView.
+        getComputedStyle(popupElement);
+    if (cs.position == 'fixed')
+      popupContainer = popupElement.ownerDocument.body;
+    else
+      popupContainer = popupElement.offsetParent;
     var availRect = popupContainer.getBoundingClientRect();
-    var rtl = popupElement.ownerDocument.defaultView.
-        getComputedStyle(popupElement).direction == 'rtl';
+    var rtl = cs.direction == 'rtl';
 
     // Flip BEFORE, AFTER based on RTL.
     if (rtl) {
       if (type == AnchorType.BEFORE)
         type = AnchorType.AFTER;
       else if (type == AnchorType.AFTER)
         type = AnchorType.BEFORE;
     }
 
     // Flip type based on available size
@@ skipping 140 matching lines @@
     positionPopupAroundRect(rect, popupElement, AnchorType.BELOW);
   }
 
   // Export
   return {
     AnchorType: AnchorType,
     positionPopupAroundElement: positionPopupAroundElement,
     positionPopupAtPoint: positionPopupAtPoint
   };
 });