src/third_party/WebKit/Source/devtools/front_end/profiler/CPUProfileTopDownDataGrid.js

   1 /*
   2  * Copyright (C) 2009 280 North Inc. All Rights Reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 /**
  27  * @constructor
  28  * @extends {WebInspector.ProfileDataGridNode}
  29  * @param {!ProfilerAgent.CPUProfileNode} profileNode
  30  * @param {!WebInspector.TopDownProfileDataGridTree} owningTree
  31  */
  32 WebInspector.TopDownProfileDataGridNode = function(profileNode, owningTree)
  33 {
  34     var hasChildren = !!(profileNode.children && profileNode.children.length);
  35
  36     WebInspector.ProfileDataGridNode.call(this, profileNode, owningTree, hasChildren);
  37
  38     this._remainingChildren = profileNode.children;
  39     this.buildData();
  40 }
  41
  42 WebInspector.TopDownProfileDataGridNode.prototype = {
  43     _sharedPopulate: function()
  44     {
  45         var children = this._remainingChildren;
  46         var childrenLength = children.length;
  47
  48         for (var i = 0; i < childrenLength; ++i)
  49             this.appendChild(new WebInspector.TopDownProfileDataGridNode(children[i], this.tree));
  50
  51         this._remainingChildren = null;
  52     },
  53
  54     _exclude: function(aCallUID)
  55     {
  56         if (this._remainingChildren)
  57             this.populate();
  58
  59         this._save();
  60
  61         var children = this.children;
  62         var index = this.children.length;
  63
  64         while (index--)
  65             children[index]._exclude(aCallUID);
  66
  67         var child = this.childrenByCallUID[aCallUID];
  68
  69         if (child)
  70             this._merge(child, true);
  71     },
  72
  73     __proto__: WebInspector.ProfileDataGridNode.prototype
  74 }
  75
  76 /**
  77  * @constructor
  78  * @extends {WebInspector.ProfileDataGridTree}
  79  * @param {!WebInspector.CPUProfileView} profileView
  80  * @param {!ProfilerAgent.CPUProfileNode} rootProfileNode
  81  */
  82 WebInspector.TopDownProfileDataGridTree = function(profileView, rootProfileNode)
  83 {
  84     WebInspector.ProfileDataGridTree.call(this, profileView, rootProfileNode);
  85
  86     this._remainingChildren = rootProfileNode.children;
  87
  88     var any = /** @type {*} */(this);
  89     var node = /** @type {!WebInspector.ProfileDataGridNode} */(any);
  90     WebInspector.TopDownProfileDataGridNode.prototype.populate.call(node);
  91 }
  92
  93 WebInspector.TopDownProfileDataGridTree.prototype = {
  94     /**
  95      * @param {!WebInspector.ProfileDataGridNode} profileDataGridNode
  96      */
  97     focus: function(profileDataGridNode)
  98     {
  99         if (!profileDataGridNode)
 100             return;
 101
 102         this._save();
 103         profileDataGridNode.savePosition();
 104
 105         this.children = [profileDataGridNode];
 106         this.totalTime = profileDataGridNode.totalTime;
 107     },
 108
 109     /**
 110      * @param {!WebInspector.ProfileDataGridNode} profileDataGridNode
 111      */
 112     exclude: function(profileDataGridNode)
 113     {
 114         if (!profileDataGridNode)
 115             return;
 116
 117         this._save();
 118
 119         var excludedCallUID = profileDataGridNode.callUID;
 120
 121         var any = /** @type {*} */(this);
 122         var node = /** @type {!WebInspector.TopDownProfileDataGridNode} */(any);
 123         WebInspector.TopDownProfileDataGridNode.prototype._exclude.call(node, excludedCallUID);
 124
 125         if (this.lastComparator)
 126             this.sort(this.lastComparator, true);
 127     },
 128
 129     restore: function()
 130     {
 131         if (!this._savedChildren)
 132             return;
 133
 134         this.children[0].restorePosition();
 135
 136         WebInspector.ProfileDataGridTree.prototype.restore.call(this);
 137     },
 138
 139     _merge: WebInspector.TopDownProfileDataGridNode.prototype._merge,
 140
 141     _sharedPopulate: WebInspector.TopDownProfileDataGridNode.prototype._sharedPopulate,
 142
 143     __proto__: WebInspector.ProfileDataGridTree.prototype
 144 }