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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 
      6 goog.provide('cvox.SearchLoader');
      7 goog.require('cvox.SearchContextMenu');
      8 
      9 /**
     10  * @fileoverview Inject the script into the page.
     11  */
     12 
     13 /**
     14  * @constructor
     15  */
     16 cvox.SearchLoader = function() {
     17 };
     18 
     19 /**
     20  * Called when document ready state changes.
     21  */
     22 cvox.SearchLoader.onReadyStateChange = function() {
     23   /* Make sure document is complete. Loading base.js when the document is
     24    * loading will destroy the DOM. */
     25   if (document.readyState !== 'complete') {
     26     return;
     27   }
     28   var GOOGLE_HOST = 'www.google.com';
     29   var SEARCH_PATH = '/search';
     30 
     31   if (window.location.host !== GOOGLE_HOST ||
     32       window.location.pathname !== SEARCH_PATH) {
     33     return;
     34   }
     35 
     36   cvox.SearchContextMenu.init();
     37 };
     38 
     39 /**
     40  * Inject Search into the page.
     41  */
     42 cvox.SearchLoader.init = function() {
     43   if (document.readyState !== 'complete') {
     44     document.onreadystatechange = cvox.SearchLoader.onReadyStateChange;
     45   } else {
     46     cvox.SearchLoader.onReadyStateChange();
     47   }
     48 };
     49