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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
26WebInspector.CallStackSidebarPane = function(model)
27{
28    WebInspector.SidebarPane.call(this, WebInspector.UIString("Call Stack"));
29    this._model = model;
30
31    this.bodyElement.addEventListener("contextmenu", this._contextMenu.bind(this), true);
32}
33
34WebInspector.CallStackSidebarPane.prototype = {
35    update: function(callFrames, details)
36    {
37        this.bodyElement.removeChildren();
38
39        this.placards = [];
40
41        if (!callFrames) {
42            var infoElement = document.createElement("div");
43            infoElement.className = "info";
44            infoElement.textContent = WebInspector.UIString("Not Paused");
45            this.bodyElement.appendChild(infoElement);
46            return;
47        }
48
49        for (var i = 0; i < callFrames.length; ++i) {
50            var callFrame = callFrames[i];
51            var title = callFrame.functionName || WebInspector.UIString("(anonymous function)");
52
53            var subtitle;
54            if (!callFrame.isInternalScript)
55                subtitle = WebInspector.displayNameForURL(callFrame.url);
56            else
57                subtitle = WebInspector.UIString("(internal script)");
58
59            var placard = new WebInspector.Placard(title, subtitle);
60            placard.callFrame = callFrame;
61            placard.element.addEventListener("click", this._placardSelected.bind(this, placard), false);
62
63            function didGetSourceLine(placard, sourceFileId, lineNumber)
64            {
65                if (placard.subtitle)
66                    placard.subtitle += ":" + (lineNumber + 1);
67                else
68                    placard.subtitle = WebInspector.UIString("line %d", lineNumber + 1);
69                placard._text = WebInspector.UIString("%s() at %s", placard.title, placard.subtitle);
70            }
71            callFrame.sourceLine(didGetSourceLine.bind(this, placard));
72
73            this.placards.push(placard);
74            this.bodyElement.appendChild(placard.element);
75        }
76    },
77
78    set selectedCallFrame(x)
79    {
80        for (var i = 0; i < this.placards.length; ++i) {
81            var placard = this.placards[i];
82            placard.selected = (placard.callFrame === x);
83        }
84    },
85
86    handleShortcut: function(event)
87    {
88        var shortcut = WebInspector.KeyboardShortcut.makeKeyFromEvent(event);
89        var handler = this._shortcuts[shortcut];
90        if (handler) {
91            handler(event);
92            event.handled = true;
93        }
94    },
95
96    _selectNextCallFrameOnStack: function()
97    {
98        var index = this._selectedCallFrameIndex();
99        if (index == -1)
100            return;
101        this._selectedPlacardByIndex(index + 1);
102    },
103
104    _selectPreviousCallFrameOnStack: function()
105    {
106        var index = this._selectedCallFrameIndex();
107        if (index == -1)
108            return;
109        this._selectedPlacardByIndex(index - 1);
110    },
111
112    _selectedPlacardByIndex: function(index)
113    {
114        if (index < 0 || index >= this.placards.length)
115            return;
116        var placard = this.placards[index];
117        this.selectedCallFrame = placard.callFrame
118    },
119
120    _selectedCallFrameIndex: function()
121    {
122        if (!this._model.selectedCallFrame)
123            return -1;
124        for (var i = 0; i < this.placards.length; ++i) {
125            var placard = this.placards[i];
126            if (placard.callFrame === this._model.selectedCallFrame)
127                return i;
128        }
129        return -1;
130    },
131
132    _placardSelected: function(placard, event)
133    {
134        this._model.selectedCallFrame = placard.callFrame;
135    },
136
137    _contextMenu: function(event)
138    {
139        if (!this.placards.length)
140            return;
141
142        var contextMenu = new WebInspector.ContextMenu();
143        contextMenu.appendItem(WebInspector.UIString("Copy Stack Trace"), this._copyStackTrace.bind(this));
144        contextMenu.show(event);
145    },
146
147    _copyStackTrace: function()
148    {
149        var text = "";
150        for (var i = 0; i < this.placards.length; ++i)
151            text += this.placards[i]._text;
152        InspectorFrontendHost.copyText(text);
153    },
154
155    registerShortcuts: function(section)
156    {
157        this._shortcuts = {};
158
159        var nextCallFrame = WebInspector.KeyboardShortcut.makeDescriptor(WebInspector.KeyboardShortcut.Keys.Period,
160            WebInspector.KeyboardShortcut.Modifiers.Ctrl);
161        this._shortcuts[nextCallFrame.key] = this._selectNextCallFrameOnStack.bind(this);
162
163        var prevCallFrame = WebInspector.KeyboardShortcut.makeDescriptor(WebInspector.KeyboardShortcut.Keys.Comma,
164            WebInspector.KeyboardShortcut.Modifiers.Ctrl);
165        this._shortcuts[prevCallFrame.key] = this._selectPreviousCallFrameOnStack.bind(this);
166
167        section.addRelatedKeys([ nextCallFrame.name, prevCallFrame.name ], WebInspector.UIString("Next/previous call frame"));
168    },
169
170    setStatus: function(status)
171    {
172        var statusMessageElement = document.createElement("div");
173        statusMessageElement.className = "info";
174        if (typeof status === "string")
175            statusMessageElement.textContent = status;
176        else
177            statusMessageElement.appendChild(status);
178        this.bodyElement.appendChild(statusMessageElement);
179    }
180}
181
182WebInspector.CallStackSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.prototype;
183