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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.ScopeChainSidebarPane = function()
27{
28    WebInspector.SidebarPane.call(this, WebInspector.UIString("Scope Variables"));
29}
30
31WebInspector.ScopeChainSidebarPane.prototype = {
32    update: function(callFrame)
33    {
34        this.bodyElement.removeChildren();
35
36        this.sections = [];
37        this.callFrame = callFrame;
38
39        if (!callFrame) {
40            var infoElement = document.createElement("div");
41            infoElement.className = "info";
42            infoElement.textContent = WebInspector.UIString("Not Paused");
43            this.bodyElement.appendChild(infoElement);
44            return;
45        }
46
47        if (!callFrame._expandedProperties) {
48            // FIXME: fix this when https://bugs.webkit.org/show_bug.cgi?id=19410 is fixed.
49            // The callFrame is a JSInspectedObjectWrapper, so we are not allowed to assign
50            // an object created in the Inspector's context to that object. So create an
51            // Object from the inspectedWindow.
52            var inspectedWindow = InspectorController.inspectedWindow();
53            callFrame._expandedProperties = new inspectedWindow.Object;
54        }
55
56        var foundLocalScope = false;
57        var scopeChain = callFrame.scopeChain;
58        for (var i = 0; i < scopeChain.length; ++i) {
59            var scopeObject = scopeChain[i];
60            var title = null;
61            var subtitle = Object.describe(scopeObject, true);
62            var emptyPlaceholder = null;
63            var localScope = false;
64            var extraProperties = null;
65
66            if (Object.prototype.toString.call(scopeObject) === "[object JSActivation]") {
67                if (!foundLocalScope) {
68                    extraProperties = { "this": callFrame.thisObject };
69                    title = WebInspector.UIString("Local");
70                } else
71                    title = WebInspector.UIString("Closure");
72                emptyPlaceholder = WebInspector.UIString("No Variables");
73                subtitle = null;
74                foundLocalScope = true;
75                localScope = true;
76            } else if (i === (scopeChain.length - 1))
77                title = WebInspector.UIString("Global");
78            else if (foundLocalScope && scopeObject instanceof InspectorController.inspectedWindow().Element)
79                title = WebInspector.UIString("Event Target");
80            else if (foundLocalScope && scopeObject instanceof InspectorController.inspectedWindow().Document)
81                title = WebInspector.UIString("Event Document");
82            else if (!foundLocalScope && !localScope)
83                title = WebInspector.UIString("With Block");
84
85            if (!title || title === subtitle)
86                subtitle = null;
87
88            var section = new WebInspector.ObjectPropertiesSection(scopeObject, title, subtitle, emptyPlaceholder, true, extraProperties, WebInspector.ScopeVariableTreeElement);
89            section.editInSelectedCallFrameWhenPaused = true;
90            section.pane = this;
91
92            if (!foundLocalScope || localScope)
93                section.expanded = true;
94
95            this.sections.push(section);
96            this.bodyElement.appendChild(section.element);
97        }
98    }
99}
100
101WebInspector.ScopeChainSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.prototype;
102
103WebInspector.ScopeVariableTreeElement = function(parentObject, propertyName)
104{
105    WebInspector.ObjectPropertyTreeElement.call(this, parentObject, propertyName);
106}
107
108WebInspector.ScopeVariableTreeElement.prototype = {
109    onattach: function()
110    {
111        WebInspector.ObjectPropertyTreeElement.prototype.onattach.call(this);
112        if (this.hasChildren && this.propertyIdentifier in this.treeOutline.section.pane.callFrame._expandedProperties)
113            this.expand();
114    },
115
116    onexpand: function()
117    {
118        this.treeOutline.section.pane.callFrame._expandedProperties[this.propertyIdentifier] = true;
119    },
120
121    oncollapse: function()
122    {
123        delete this.treeOutline.section.pane.callFrame._expandedProperties[this.propertyIdentifier];
124    },
125
126    get propertyIdentifier()
127    {
128        if ("_propertyIdentifier" in this)
129            return this._propertyIdentifier;
130        var section = this.treeOutline.section;
131        this._propertyIdentifier = section.title + ":" + (section.subtitle ? section.subtitle + ":" : "") + this.propertyPath;
132        return this._propertyIdentifier;
133    },
134
135    get propertyPath()
136    {
137        if ("_propertyPath" in this)
138            return this._propertyPath;
139
140        var current = this;
141        var result;
142
143        do {
144            if (result)
145                result = current.propertyName + "." + result;
146            else
147                result = current.propertyName;
148            current = current.parent;
149        } while (current && !current.root);
150
151        this._propertyPath = result;
152        return result;
153    }
154}
155
156WebInspector.ScopeVariableTreeElement.prototype.__proto__ = WebInspector.ObjectPropertyTreeElement.prototype;
157