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1/*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 * Copyright (C) 2011 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27/**
28 * @constructor
29 * @extends {WebInspector.SidebarPane}
30 */
31WebInspector.ScopeChainSidebarPane = function()
32{
33    WebInspector.SidebarPane.call(this, WebInspector.UIString("Scope Variables"));
34    this._sections = [];
35    this._expandedSections = {};
36    this._expandedProperties = [];
37}
38
39WebInspector.ScopeChainSidebarPane.prototype = {
40    /**
41     * @param {?WebInspector.DebuggerModel.CallFrame} callFrame
42     */
43    update: function(callFrame)
44    {
45        this.bodyElement.removeChildren();
46
47        if (!callFrame) {
48            var infoElement = document.createElement("div");
49            infoElement.className = "info";
50            infoElement.textContent = WebInspector.UIString("Not Paused");
51            this.bodyElement.appendChild(infoElement);
52            return;
53        }
54
55        for (var i = 0; i < this._sections.length; ++i) {
56            var section = this._sections[i];
57            if (!section.title)
58                continue;
59            if (section.expanded)
60                this._expandedSections[section.title] = true;
61            else
62                delete this._expandedSections[section.title];
63        }
64
65        this._sections = [];
66
67        var foundLocalScope = false;
68        var scopeChain = callFrame.scopeChain;
69        for (var i = 0; i < scopeChain.length; ++i) {
70            var scope = scopeChain[i];
71            var title = null;
72            var subtitle = scope.object.description;
73            var emptyPlaceholder = null;
74            var extraProperties = [];
75            var declarativeScope;
76
77            switch (scope.type) {
78            case DebuggerAgent.ScopeType.Local:
79                foundLocalScope = true;
80                title = WebInspector.UIString("Local");
81                emptyPlaceholder = WebInspector.UIString("No Variables");
82                subtitle = undefined;
83                if (callFrame.this)
84                    extraProperties.push(new WebInspector.RemoteObjectProperty("this", WebInspector.RemoteObject.fromPayload(callFrame.this)));
85                if (i == 0) {
86                    var details = WebInspector.debuggerModel.debuggerPausedDetails();
87                    var exception = details.reason === WebInspector.DebuggerModel.BreakReason.Exception ? details.auxData : 0;
88                    if (exception) {
89                        var exceptionObject = /** @type {!RuntimeAgent.RemoteObject} */ (exception);
90                        extraProperties.push(new WebInspector.RemoteObjectProperty("<exception>", WebInspector.RemoteObject.fromPayload(exceptionObject)));
91                    }
92                    if (callFrame.returnValue)
93                        extraProperties.push(new WebInspector.RemoteObjectProperty("<return>", WebInspector.RemoteObject.fromPayload(callFrame.returnValue)));
94                }
95                declarativeScope = true;
96                break;
97            case DebuggerAgent.ScopeType.Closure:
98                title = WebInspector.UIString("Closure");
99                emptyPlaceholder = WebInspector.UIString("No Variables");
100                subtitle = undefined;
101                declarativeScope = true;
102                break;
103            case DebuggerAgent.ScopeType.Catch:
104                title = WebInspector.UIString("Catch");
105                subtitle = undefined;
106                declarativeScope = true;
107                break;
108            case DebuggerAgent.ScopeType.With:
109                title = WebInspector.UIString("With Block");
110                declarativeScope = false;
111                break;
112            case DebuggerAgent.ScopeType.Global:
113                title = WebInspector.UIString("Global");
114                declarativeScope = false;
115                break;
116            }
117
118            if (!title || title === subtitle)
119                subtitle = undefined;
120
121            var scopeRef = declarativeScope ? new WebInspector.ScopeRef(i, callFrame.id, undefined) : undefined;
122            var scopeObject = WebInspector.ScopeRemoteObject.fromPayload(scope.object, scopeRef);
123            var section = new WebInspector.ObjectPropertiesSection(scopeObject, title, subtitle, emptyPlaceholder, true, extraProperties, WebInspector.ScopeVariableTreeElement);
124            section.editInSelectedCallFrameWhenPaused = true;
125            section.pane = this;
126
127            if (scope.type === DebuggerAgent.ScopeType.Global)
128                section.expanded = false;
129            else if (!foundLocalScope || scope.type === DebuggerAgent.ScopeType.Local || title in this._expandedSections)
130                section.expanded = true;
131
132            this._sections.push(section);
133            this.bodyElement.appendChild(section.element);
134        }
135    },
136
137    __proto__: WebInspector.SidebarPane.prototype
138}
139
140/**
141 * @constructor
142 * @extends {WebInspector.ObjectPropertyTreeElement}
143 * @param {!WebInspector.RemoteObjectProperty} property
144 */
145WebInspector.ScopeVariableTreeElement = function(property)
146{
147    WebInspector.ObjectPropertyTreeElement.call(this, property);
148}
149
150WebInspector.ScopeVariableTreeElement.prototype = {
151    onattach: function()
152    {
153        WebInspector.ObjectPropertyTreeElement.prototype.onattach.call(this);
154        if (this.hasChildren && this.propertyIdentifier in this.treeOutline.section.pane._expandedProperties)
155            this.expand();
156    },
157
158    onexpand: function()
159    {
160        this.treeOutline.section.pane._expandedProperties[this.propertyIdentifier] = true;
161    },
162
163    oncollapse: function()
164    {
165        delete this.treeOutline.section.pane._expandedProperties[this.propertyIdentifier];
166    },
167
168    get propertyIdentifier()
169    {
170        if ("_propertyIdentifier" in this)
171            return this._propertyIdentifier;
172        var section = this.treeOutline.section;
173        this._propertyIdentifier = section.title + ":" + (section.subtitle ? section.subtitle + ":" : "") + this.propertyPath();
174        return this._propertyIdentifier;
175    },
176
177    __proto__: WebInspector.ObjectPropertyTreeElement.prototype
178}
179