third_party/WebKit/Source/devtools/front_end/layers/LayerPaintProfilerView.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  * @param {function(!WebInspector.Layer, string=)} showImageForLayerCallback
   8  * @extends {WebInspector.SplitWidget}
   9  */
  10 WebInspector.LayerPaintProfilerView = function(showImageForLayerCallback)
  11 {
  12     WebInspector.SplitWidget.call(this, true, false);
  13
  14     this._showImageForLayerCallback = showImageForLayerCallback;
  15     this._logTreeView = new WebInspector.PaintProfilerCommandLogView();
  16     this.setSidebarWidget(this._logTreeView);
  17     this._paintProfilerView = new WebInspector.PaintProfilerView(this._showImage.bind(this));
  18     this.setMainWidget(this._paintProfilerView);
  19
  20     this._paintProfilerView.addEventListener(WebInspector.PaintProfilerView.Events.WindowChanged, this._onWindowChanged, this);
  21 }
  22
  23 WebInspector.LayerPaintProfilerView.prototype = {
  24     /**
  25      * @param {!WebInspector.Layer} layer
  26      */
  27     profileLayer: function(layer)
  28     {
  29         this._logTreeView.setCommandLog(null, []);
  30         this._paintProfilerView.setSnapshotAndLog(null, [], null);
  31         /** @type {!WebInspector.AgentLayer} */ (layer).requestSnapshot(onSnapshotDone.bind(this));
  32
  33         /**
  34          * @param {!WebInspector.PaintProfilerSnapshot=} snapshot
  35          * @this {WebInspector.LayerPaintProfilerView}
  36          */
  37         function onSnapshotDone(snapshot)
  38         {
  39             this._layer = layer;
  40             snapshot.commandLog(onCommandLogDone.bind(this, snapshot));
  41         }
  42
  43         /**
  44          * @param {!WebInspector.PaintProfilerSnapshot=} snapshot
  45          * @param {!Array.<!Object>=} log
  46          * @this {WebInspector.LayerPaintProfilerView}
  47          */
  48         function onCommandLogDone(snapshot, log)
  49         {
  50             this._logTreeView.setCommandLog(snapshot.target(), log || []);
  51             this._paintProfilerView.setSnapshotAndLog(snapshot || null, log || [], null);
  52         }
  53     },
  54
  55     _onWindowChanged: function()
  56     {
  57         var window = this._paintProfilerView.windowBoundaries();
  58         this._logTreeView.updateWindow(window.left, window.right);
  59     },
  60
  61     /**
  62      * @param {string=} imageURL
  63      */
  64     _showImage: function(imageURL)
  65     {
  66         this._showImageForLayerCallback(this._layer, imageURL);
  67     },
  68
  69     __proto__: WebInspector.SplitWidget.prototype
  70 };
  71