Source/WebCore/inspector/front-end/CallStackSidebarPane.js

   1 /*
   2  * Copyright (C) 2008 Apple 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.SidebarPane}
  29  */
  30 WebInspector.CallStackSidebarPane = function(model)
  31 {
  32     WebInspector.SidebarPane.call(this, WebInspector.UIString("Call Stack"));
  33     this._model = model;
  34
  35     this.bodyElement.addEventListener("contextmenu", this._contextMenu.bind(this), true);
  36 }
  37
  38 WebInspector.CallStackSidebarPane.prototype = {
  39     update: function(callFrames)
  40     {
  41         this.bodyElement.removeChildren();
  42
  43         if (this.placards) {
  44             for (var i = 0; i < this.placards.length; ++i)
  45                 this.placards[i].discard();
  46         }
  47         this.placards = [];
  48
  49         if (!callFrames) {
  50             var infoElement = document.createElement("div");
  51             infoElement.className = "info";
  52             infoElement.textContent = WebInspector.UIString("Not Paused");
  53             this.bodyElement.appendChild(infoElement);
  54             return;
  55         }
  56
  57         for (var i = 0; i < callFrames.length; ++i) {
  58             var callFrame = callFrames[i];
  59             var placard = this._model.createPlacard(callFrame);
  60             placard.callFrame = callFrame;
  61             placard.element.addEventListener("click", this._placardSelected.bind(this, placard), false);
  62             this.placards.push(placard);
  63             this.bodyElement.appendChild(placard.element);
  64         }
  65     },
  66
  67     set selectedCallFrame(x)
  68     {
  69         for (var i = 0; i < this.placards.length; ++i) {
  70             var placard = this.placards[i];
  71             placard.selected = (placard.callFrame === x);
  72         }
  73     },
  74
  75     _selectNextCallFrameOnStack: function()
  76     {
  77         var index = this._selectedCallFrameIndex();
  78         if (index == -1)
  79             return;
  80         this._selectedPlacardByIndex(index + 1);
  81     },
  82
  83     _selectPreviousCallFrameOnStack: function()
  84     {
  85         var index = this._selectedCallFrameIndex();
  86         if (index == -1)
  87             return;
  88         this._selectedPlacardByIndex(index - 1);
  89     },
  90
  91     _selectedPlacardByIndex: function(index)
  92     {
  93         if (index < 0 || index >= this.placards.length)
  94             return;
  95         this._placardSelected(this.placards[index])
  96     },
  97
  98     _selectedCallFrameIndex: function()
  99     {
 100         if (!this._model.selectedCallFrame)
 101             return -1;
 102         for (var i = 0; i < this.placards.length; ++i) {
 103             var placard = this.placards[i];
 104             if (placard.callFrame === this._model.selectedCallFrame)
 105                 return i;
 106         }
 107         return -1;
 108     },
 109
 110     _placardSelected: function(placard)
 111     {
 112         this._model.selectedCallFrame = placard.callFrame;
 113     },
 114
 115     _contextMenu: function(event)
 116     {
 117         if (!this.placards.length)
 118             return;
 119
 120         var contextMenu = new WebInspector.ContextMenu();
 121         contextMenu.appendItem(WebInspector.UIString("Copy Stack Trace"), this._copyStackTrace.bind(this));
 122         contextMenu.show(event);
 123     },
 124
 125     _copyStackTrace: function()
 126     {
 127         var text = "";
 128         for (var i = 0; i < this.placards.length; ++i)
 129             text += this.placards[i]._text + "\n";
 130         InspectorFrontendHost.copyText(text);
 131     },
 132
 133     registerShortcuts: function(section, registerShortcutDelegate)
 134     {
 135         var nextCallFrame = WebInspector.KeyboardShortcut.makeDescriptor(WebInspector.KeyboardShortcut.Keys.Period,
 136             WebInspector.KeyboardShortcut.Modifiers.Ctrl);
 137         registerShortcutDelegate(nextCallFrame.key, this._selectNextCallFrameOnStack.bind(this));
 138
 139         var prevCallFrame = WebInspector.KeyboardShortcut.makeDescriptor(WebInspector.KeyboardShortcut.Keys.Comma,
 140             WebInspector.KeyboardShortcut.Modifiers.Ctrl);
 141         registerShortcutDelegate(prevCallFrame.key, this._selectPreviousCallFrameOnStack.bind(this));
 142
 143         section.addRelatedKeys([ nextCallFrame.name, prevCallFrame.name ], WebInspector.UIString("Next/previous call frame"));
 144     },
 145
 146     setStatus: function(status)
 147     {
 148         var statusMessageElement = document.createElement("div");
 149         statusMessageElement.className = "info";
 150         if (typeof status === "string")
 151             statusMessageElement.textContent = status;
 152         else
 153             statusMessageElement.appendChild(status);
 154         this.bodyElement.appendChild(statusMessageElement);
 155     }
 156 }
 157
 158 WebInspector.CallStackSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.prototype;