src/third_party/WebKit/Source/devtools/front_end/sdk/PowerProfiler.js

   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  * @constructor
   7  * @extends {WebInspector.Object}
   8  */
   9 WebInspector.PowerProfiler = function()
  10 {
  11     WebInspector.Object.call(this);
  12     this._dispatcher = new WebInspector.PowerDispatcher(this);
  13     PowerAgent.getAccuracyLevel(this._onAccuracyLevel.bind(this));
  14 }
  15
  16 WebInspector.PowerProfiler.EventTypes = {
  17     PowerEventRecorded: "PowerEventRecorded"
  18 }
  19
  20 WebInspector.PowerProfiler.prototype = {
  21
  22     startProfile: function ()
  23     {
  24         PowerAgent.start();
  25     },
  26
  27     stopProfile: function ()
  28     {
  29         PowerAgent.end();
  30     },
  31
  32     /**
  33      * @return {string}
  34      */
  35     getAccuracyLevel: function()
  36     {
  37         return this._accuracyLevel;
  38     },
  39
  40     _onAccuracyLevel: function(error, result) {
  41         this._accuracyLevel = "";
  42         if (error) {
  43             console.log("Unable to retrieve PowerProfiler accuracy level: " + error);
  44             return;
  45         }
  46         this._accuracyLevel = result;
  47     },
  48
  49     __proto__: WebInspector.Object.prototype
  50 }
  51
  52 /**
  53  * @constructor
  54  * @implements {PowerAgent.Dispatcher}
  55  */
  56 WebInspector.PowerDispatcher = function(profiler)
  57 {
  58     this._profiler = profiler;
  59     InspectorBackend.registerPowerDispatcher(this);
  60 }
  61
  62 WebInspector.PowerDispatcher.prototype = {
  63     dataAvailable: function(events)
  64     {
  65         for (var i = 0; i < events.length; ++i)
  66             this._profiler.dispatchEventToListeners(WebInspector.PowerProfiler.EventTypes.PowerEventRecorded, events[i]);
  67     }
  68 }
  69
  70 /**
  71  * @type {!WebInspector.PowerProfiler}
  72  */
  73 WebInspector.powerProfiler;