Optimizes loading initial printer on non-chromeos platforms.

chrome/browser/resources/print_preview/search/destination_search.js

 // Copyright (c) 2012 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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Component used for searching for a print destination.
    * This is a modal dialog that allows the user to search and select a
@@ skipping 205 matching lines @@
           print_preview.SearchBox.EventType.SEARCH,
           this.onSearch_.bind(this));
       this.tracker.add(
           this,
           print_preview.DestinationListItem.EventType.SELECT,
           this.onDestinationSelect_.bind(this));
 
       this.tracker.add(
           this.destinationStore_,
           print_preview.DestinationStore.EventType.DESTINATIONS_INSERTED,
-          this.onDestinationsInserted_.bind(this));
+          this.renderDestinations_.bind(this));
       this.tracker.add(
           this.destinationStore_,
           print_preview.DestinationStore.EventType.DESTINATION_SELECT,
           this.onDestinationStoreSelect_.bind(this));
 
       this.tracker.add(
           this.localList_,
           print_preview.DestinationList.EventType.ACTION_LINK_ACTIVATED,
           this.onManageLocalDestinationsActivated_.bind(this));
       this.tracker.add(
           this.cloudList_,
           print_preview.DestinationList.EventType.ACTION_LINK_ACTIVATED,
           this.onManageCloudDestinationsActivated_.bind(this));
 
       this.tracker.add(
           this.getElement(), 'click', this.onClick_.bind(this));
       this.tracker.add(
           this.pageEl_, 'webkitAnimationEnd', this.onAnimationEnd_.bind(this));
 
       this.tracker.add(
           this.userInfo_,
           print_preview.UserInfo.EventType.EMAIL_CHANGE,
           this.onEmailChange_.bind(this));
+
+      // Render any destinations already in the store.
+      this.renderDestinations_();
     },
 
     /** @override */
     exitDocument: function() {
       print_preview.Component.prototype.exitDocument.call(this);
       this.pageEl_ = null;
     },
 
     /** @override */
     decorateInternal: function() {
@@ skipping 36 matching lines @@
     /**
      * Resets the search query.
      * @private
      */
     resetSearch_: function() {
       this.searchBox_.setQuery(null);
       this.filterLists_(null);
     },
 
     /**
+     * Renders all of the destinations in the destination store.
+     * @private
+     */
+    renderDestinations_: function() {
+      var recentDestinations = [];
+      var localDestinations = [];
+      var cloudDestinations = [];
+      this.destinationStore_.destinations.forEach(function(destination) {
+        if (destination.isRecent) {
+          recentDestinations.push(destination);
+        }
+        if (destination.isLocal) {
+          localDestinations.push(destination);
+        } else {
+          cloudDestinations.push(destination);
+        }
+      });
+      this.recentList_.updateDestinations(recentDestinations);
+      this.localList_.updateDestinations(localDestinations);
+      this.cloudList_.updateDestinations(cloudDestinations);
+    },
+
+    /**
      * Called when a destination search should be executed. Filters the
      * destination lists with the given query.
      * @param {cr.Event} evt Contains the search query.
      * @private
      */
     onSearch_: function(evt) {
       this.filterLists_(evt.query);
     },
 
     /**
@@ skipping 15 matching lines @@
      */
     onDestinationSelect_: function(evt) {
       this.setIsVisible(false);
       this.resetSearch_();
       this.destinationStore_.selectDestination(evt.destination);
       this.metrics_.increment(
           print_preview.Metrics.Bucket.DESTINATION_SELECTED);
     },
 
     /**
-     * Called when destinations are added to the destination store. Refreshes UI
-     * with new destinations.
-     * @private
-     */
-    onDestinationsInserted_: function() {
-      var recentDestinations = [];
-      var localDestinations = [];
-      var cloudDestinations = [];
-      this.destinationStore_.destinations.forEach(function(destination) {
-        if (destination.isRecent) {
-          recentDestinations.push(destination);
-        }
-        if (destination.isLocal) {
-          localDestinations.push(destination);
-        } else {
-          cloudDestinations.push(destination);
-        }
-      });
-      this.recentList_.updateDestinations(recentDestinations);
-      this.localList_.updateDestinations(localDestinations);
-      this.cloudList_.updateDestinations(cloudDestinations);
-    },
-
-    /**
      * Called when a destination is selected. Selected destination are marked as
      * recent, so we have to update our recent destinations list.
      * @private
      */
     onDestinationStoreSelect_: function() {
       var destinations = this.destinationStore_.destinations;
       var recentDestinations = [];
       destinations.forEach(function(destination) {
         if (destination.isRecent) {
           recentDestinations.push(destination);
@@ skipping 72 matching lines @@
         this.setCloudPrintEmail(userEmail);
       }
     }
   };
 
   // Export
   return {
     DestinationSearch: DestinationSearch
   };
 });