Implements metrics for destination search.

chrome/browser/resources/print_preview/print_preview.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.
 
 // TODO(rltoscano): Move data/* into print_preview.data namespace
 
 var localStrings = new LocalStrings(templateData);
 
 <include src="component.js"/>
 
@@ skipping 16 matching lines @@
     this.nativeLayer_ = new print_preview.NativeLayer();
 
     /**
      * Event target that contains information about the logged in user.
      * @type {!print_preview.UserInfo}
      * @private
      */
     this.userInfo_ = new print_preview.UserInfo();
 
     /**
+     * Metrics object used to report usage statistics.
+     * @type {!print_preview.Metrics}
+     * @private
+     */
+    this.metrics_ = new print_preview.Metrics();
+
+    /**
      * Data store which holds print destinations.
      * @type {!print_preview.DestinationStore}
      * @private
      */
     this.destinationStore_ = new print_preview.DestinationStore(
         this.nativeLayer_);
 
     /**
      * Storage of the print ticket used to create the print job.
      * @type {!print_preview.PrintTicketStore}
@@ skipping 10 matching lines @@
     this.printHeader_ = new print_preview.PrintHeader(
         this.printTicketStore_, this.destinationStore_);
     this.addChild(this.printHeader_);
 
     /**
      * Component used to search for print destinations.
      * @type {!print_preview.DestinationSearch}
      * @private
      */
     this.destinationSearch_ = new print_preview.DestinationSearch(
-        this.destinationStore_, this.userInfo_);
+        this.destinationStore_, this.userInfo_, this.metrics_);
     this.addChild(this.destinationSearch_);
 
     /**
      * Component that renders the print destination.
      * @type {!print_preview.DestinationSettings}
      * @private
      */
     this.destinationSettings_ = new print_preview.DestinationSettings(
         this.destinationStore_);
     this.addChild(this.destinationSettings_);
@@ skipping 526 matching lines @@
      * to the preview area.
      * @param {KeyboardEvent} e The keyboard event.
      * @private
      */
     onKeyDown_: function(e) {
       // Escape key closes the dialog.
       if (e.keyCode == 27 && !e.shiftKey && !e.ctrlKey && !e.altKey &&
           !e.metaKey) {
         if (this.destinationSearch_.getIsVisible()) {
           this.destinationSearch_.setIsVisible(false);
+          this.metrics_.increment(
+              print_preview.Metrics.Bucket.DESTINATION_SELECTION_CANCELED);
         } else {
           this.close_();
         }
         e.preventDefault();
         return;
       }
 
       // Ctrl + Shift + p / Mac equivalent.
       if (e.keyCode == 80) {
         if ((cr.isMac && e.metaKey && e.altKey && !e.shiftKey && !e.ctrlKey) ||
@@ skipping 19 matching lines @@
     },
 
     /**
      * Called when the destination settings' change button is activated.
      * Displays the destination search component.
      * @private
      */
     onDestinationChangeButtonActivate_: function() {
       this.destinationSearch_.setIsVisible(true);
       this.destinationStore_.startLoadAllCloudDestinations();
+      this.metrics_.increment(
+          print_preview.Metrics.Bucket.DESTINATION_SEARCH_SHOWN);
     },
 
     /**
      * Called when the destination search dispatches manage cloud destinations
      * event. Calls corresponding native layer method.
      * @private
      */
     onManageCloudDestinationsActivated_: function() {
       this.nativeLayer_.startManageCloudDestinations();
     },
@@ skipping 61 matching lines @@
 <include src="data/ticket_items/landscape.js"/>
 <include src="data/ticket_items/margins_type.js"/>
 <include src="data/ticket_items/page_range.js"/>
 <include src="data/ticket_items/fit_to_page.js"/>
 
 <include src="native_layer.js"/>
 <include src="print_preview_animations.js"/>
 <include src="cloud_print_interface.js"/>
 <include src="print_preview_utils.js"/>
 <include src="print_header.js"/>
+<include src="metrics.js"/>
 
 <include src="settings/page_settings.js"/>
 <include src="settings/copies_settings.js"/>
 <include src="settings/layout_settings.js"/>
 <include src="settings/color_settings.js"/>
 <include src="settings/margin_settings.js"/>
 <include src="settings/destination_settings.js"/>
 <include src="settings/other_options_settings.js"/>
 
 <include src="previewarea/margin_control.js"/>
 <include src="previewarea/margin_control_container.js"/>
 <include src="previewarea/preview_area.js"/>
 <include src="preview_generator.js"/>
 
 <include src="search/destination_list.js"/>
 <include src="search/cloud_destination_list.js"/>
 <include src="search/destination_list_item.js"/>
 <include src="search/destination_search.js"/>
 <include src="search/search_box.js"/>
 
 window.addEventListener('DOMContentLoaded', function() {
   printPreview = new print_preview.PrintPreview();
   printPreview.initialize();
 });