chrome/browser/resources/print_preview/metrics.js

   1 // Copyright (c) 2012 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 cr.define('print_preview', function() {
   6   'use strict';
   7
   8   /**
   9    * Object used to measure usage statistics.
  10    * @constructor
  11    */
  12   function Metrics() {};
  13
  14   /**
  15    * Enumeration of buckets that a user can enter while using the destination
  16    * search widget.
  17    * @enum {number}
  18    */
  19   Metrics.DestinationSearchBucket = {
  20     // Used when the print destination search widget is shown.
  21     DESTINATION_SHOWN: 0,
  22     // Used when the user selects a print destination.
  23     DESTINATION_CLOSED_CHANGED: 1,
  24     // Used when the print destination search widget is closed without selecting
  25     // a print destination.
  26     DESTINATION_CLOSED_UNCHANGED: 2,
  27     // Used when the Google Cloud Print promotion (shown in the destination
  28     // search widget) is shown to the user.
  29     SIGNIN_PROMPT: 3,
  30     // Used when the user chooses to sign-in to their Google account.
  31     SIGNIN_TRIGGERED: 4,
  32     // Used when a user selects the Privet printer in a pair of duplicate
  33     // Privet and cloud printers.
  34     PRIVET_DUPLICATE_SELECTED: 5,
  35     // Used when a user selects the cloud printer in a pair of duplicate
  36     // Privet and cloud printers.
  37     CLOUD_DUPLICATE_SELECTED: 6,
  38     // Used when a user sees a register promo for a cloud print printer.
  39     REGISTER_PROMO_SHOWN: 7,
  40     // Used when a user selects a register promo for a cloud print printer.
  41     REGISTER_PROMO_SELECTED: 8,
  42     // User changed active account.
  43     ACCOUNT_CHANGED: 9,
  44     // User tried to log into another account.
  45     ADD_ACCOUNT_SELECTED: 10,
  46     // Max value.
  47     DESTINATION_SEARCH_MAX_BUCKET: 11
  48   };
  49
  50   /**
  51    * Enumeration of buckets that a user can enter while using the Google Cloud
  52    * Print promotion.
  53    * @enum {number}
  54    */
  55   Metrics.GcpPromoBucket = {
  56     // Used when the Google Cloud Print promotion (shown above the PDF preview
  57     // plugin) is shown to the user.
  58     PROMO_SHOWN: 0,
  59     // Used when the user clicks the "Get started" link in the promotion shown
  60     // in CLOUDPRINT_BIG_PROMO_SHOWN.
  61     PROMO_CLICKED: 1,
  62     // Used when the user dismisses the promotion shown in
  63     // CLOUDPRINT_BIG_PROMO_SHOWN.
  64     PROMO_CLOSED: 2,
  65     // Max value.
  66     GCP_PROMO_MAX_BUCKET: 3
  67   };
  68
  69   /**
  70    * Print settings UI usage metrics buckets.
  71    * @enum {number}
  72    */
  73   Metrics.PrintSettingsUiBucket = {
  74     // Advanced settings dialog is shown.
  75     ADVANCED_SETTINGS_DIALOG_SHOWN: 0,
  76     // Advanced settings dialog is closed without saving a selection.
  77     ADVANCED_SETTINGS_DIALOG_CANCELED: 1,
  78     // Max value.
  79     PRINT_SETTINGS_UI_MAX_BUCKET: 2
  80   };
  81
  82   /**
  83    * A context for recording a value in a specific UMA histogram.
  84    * @param {string} histogram The name of the histogram to be recorded in.
  85    * @param {number} maxBucket The max value for the last histogram bucket.
  86    * @constructor
  87    */
  88   function MetricsContext(histogram, maxBucket) {
  89     /** @private {string} */
  90     this.histogram_ = histogram;
  91
  92     /** @private {number} */
  93     this.maxBucket_ = maxBucket;
  94   };
  95
  96   MetricsContext.prototype = {
  97     /**
  98      * Record a histogram value in UMA. If specified value is larger than the
  99      * max bucket value, record the value in the largest bucket
 100      * @param {number} bucket Value to record.
 101      */
 102     record: function(bucket) {
 103       chrome.send('metricsHandler:recordInHistogram',
 104                   [this.histogram_,
 105                    ((bucket > this.maxBucket_) ? this.maxBucket_ : bucket),
 106                    this.maxBucket_]);
 107     }
 108   };
 109
 110   /**
 111    * Destination Search specific usage statistics context.
 112    * @constructor
 113    * @implements {MetricsContext}
 114    */
 115   function DestinationSearchMetricsContext() {
 116     MetricsContext.call(
 117         this,
 118         'PrintPreview.DestinationAction',
 119         Metrics.DestinationSearchBucket.DESTINATION_SEARCH_MAX_BUCKET);
 120   };
 121
 122   DestinationSearchMetricsContext.prototype = {
 123     __proto__: MetricsContext.prototype
 124   };
 125
 126   /**
 127    * GCP promotion specific usage statistics context.
 128    * @constructor
 129    * @implements {MetricsContext}
 130    */
 131   function GcpPromoMetricsContext() {
 132     MetricsContext.call(this,
 133                         'PrintPreview.GcpPromo',
 134                         Metrics.GcpPromoBucket.GCP_PROMO_MAX_BUCKET);
 135   };
 136
 137   GcpPromoMetricsContext.prototype = {
 138     __proto__: MetricsContext.prototype
 139   };
 140
 141   /**
 142    * Print settings UI specific usage statistics context.
 143    * @constructor
 144    * @implements {MetricsContext}
 145    */
 146   function PrintSettingsUiMetricsContext() {
 147     MetricsContext.call(
 148         this,
 149         'PrintPreview.PrintSettingsUi',
 150         Metrics.PrintSettingsUiBucket.PRINT_SETTINGS_UI_MAX_BUCKET);
 151   };
 152
 153   PrintSettingsUiMetricsContext.prototype = {
 154     __proto__: MetricsContext.prototype
 155   };
 156
 157   // Export
 158   return {
 159     Metrics: Metrics,
 160     MetricsContext: MetricsContext,
 161     DestinationSearchMetricsContext: DestinationSearchMetricsContext,
 162     GcpPromoMetricsContext: GcpPromoMetricsContext,
 163     PrintSettingsUiMetricsContext: PrintSettingsUiMetricsContext
 164   };
 165 });