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1/*
2 * Copyright (C) 2011 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/**
32 * @constructor
33 * @extends {WebInspector.Object}
34 * @implements {WebInspector.ContextMenu.Provider}
35 */
36WebInspector.HandlerRegistry = function(setting)
37{
38    WebInspector.Object.call(this);
39    this._handlers = {};
40    this._setting = setting;
41    this._activeHandler = this._setting.get();
42    WebInspector.ContextMenu.registerProvider(this);
43}
44
45WebInspector.HandlerRegistry.prototype = {
46    get handlerNames()
47    {
48        return Object.getOwnPropertyNames(this._handlers);
49    },
50
51    get activeHandler()
52    {
53        return this._activeHandler;
54    },
55
56    set activeHandler(value)
57    {
58        this._activeHandler = value;
59        this._setting.set(value);
60    },
61
62    /**
63     * @param {!Object} data
64     */
65    dispatch: function(data)
66    {
67        return this.dispatchToHandler(this._activeHandler, data);
68    },
69
70    /**
71     * @param {string} name
72     * @param {!Object} data
73     */
74    dispatchToHandler: function(name, data)
75    {
76        var handler = this._handlers[name];
77        var result = handler && handler(data);
78        return !!result;
79    },
80
81    registerHandler: function(name, handler)
82    {
83        this._handlers[name] = handler;
84        this.dispatchEventToListeners(WebInspector.HandlerRegistry.EventTypes.HandlersUpdated);
85    },
86
87    unregisterHandler: function(name)
88    {
89        delete this._handlers[name];
90        this.dispatchEventToListeners(WebInspector.HandlerRegistry.EventTypes.HandlersUpdated);
91    },
92
93    /**
94     * @param {!WebInspector.ContextMenu} contextMenu
95     * @param {!Object} target
96     */
97    appendApplicableItems: function(event, contextMenu, target)
98    {
99        this._appendContentProviderItems(contextMenu, target);
100        this._appendHrefItems(contextMenu, target);
101    },
102
103    /**
104     * @param {!WebInspector.ContextMenu} contextMenu
105     * @param {!Object} target
106     */
107    _appendContentProviderItems: function(contextMenu, target)
108    {
109        if (!(target instanceof WebInspector.UISourceCode || target instanceof WebInspector.Resource || target instanceof WebInspector.NetworkRequest))
110            return;
111        var contentProvider = /** @type {!WebInspector.ContentProvider} */ (target);
112        if (!contentProvider.contentURL())
113            return;
114
115        contextMenu.appendItem(WebInspector.openLinkExternallyLabel(), WebInspector.openResource.bind(WebInspector, contentProvider.contentURL(), false));
116        // Skip 0th handler, as it's 'Use default panel' one.
117        for (var i = 1; i < this.handlerNames.length; ++i) {
118            var handler = this.handlerNames[i];
119            contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Open using %s" : "Open Using %s", handler),
120                this.dispatchToHandler.bind(this, handler, { url: contentProvider.contentURL() }));
121        }
122        contextMenu.appendItem(WebInspector.copyLinkAddressLabel(), InspectorFrontendHost.copyText.bind(InspectorFrontendHost, contentProvider.contentURL()));
123
124        if (!contentProvider.contentURL())
125            return;
126
127        var contentType = contentProvider.contentType();
128        if (contentType !== WebInspector.resourceTypes.Document &&
129            contentType !== WebInspector.resourceTypes.Stylesheet &&
130            contentType !== WebInspector.resourceTypes.Script)
131            return;
132
133        /**
134         * @param {boolean} forceSaveAs
135         * @param {?string} content
136         */
137        function doSave(forceSaveAs, content)
138        {
139            var url = contentProvider.contentURL();
140            WebInspector.fileManager.save(url, content, forceSaveAs);
141            WebInspector.fileManager.close(url);
142        }
143
144        /**
145         * @param {boolean} forceSaveAs
146         * @this {WebInspector.HandlerRegistry}
147         */
148        function save(forceSaveAs)
149        {
150            if (contentProvider instanceof WebInspector.UISourceCode) {
151                var uiSourceCode = /** @type {!WebInspector.UISourceCode} */ (contentProvider);
152                uiSourceCode.saveToFileSystem(forceSaveAs);
153                return;
154            }
155            contentProvider.requestContent(doSave.bind(this, forceSaveAs));
156        }
157
158        contextMenu.appendSeparator();
159        contextMenu.appendItem(WebInspector.UIString("Save"), save.bind(this, false));
160        contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Save as..." : "Save As..."), save.bind(this, true));
161    },
162
163    /**
164     * @param {!WebInspector.ContextMenu} contextMenu
165     * @param {!Object} target
166     */
167    _appendHrefItems: function(contextMenu, target)
168    {
169        if (!(target instanceof Node))
170            return;
171        var targetNode = /** @type {!Node} */ (target);
172
173        var anchorElement = targetNode.enclosingNodeOrSelfWithClass("webkit-html-resource-link") || targetNode.enclosingNodeOrSelfWithClass("webkit-html-external-link");
174        if (!anchorElement)
175            return;
176
177        var resourceURL = anchorElement.href;
178        if (!resourceURL)
179            return;
180
181        // Add resource-related actions.
182        contextMenu.appendItem(WebInspector.openLinkExternallyLabel(), WebInspector.openResource.bind(WebInspector, resourceURL, false));
183        if (WebInspector.resourceForURL(resourceURL))
184            contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Open link in Resources panel" : "Open Link in Resources Panel"), WebInspector.openResource.bind(null, resourceURL, true));
185        contextMenu.appendItem(WebInspector.copyLinkAddressLabel(), InspectorFrontendHost.copyText.bind(InspectorFrontendHost, resourceURL));
186    },
187
188    __proto__: WebInspector.Object.prototype
189}
190
191
192WebInspector.HandlerRegistry.EventTypes = {
193    HandlersUpdated: "HandlersUpdated"
194}
195
196/**
197 * @constructor
198 */
199WebInspector.HandlerSelector = function(handlerRegistry)
200{
201    this._handlerRegistry = handlerRegistry;
202    this.element = document.createElement("select");
203    this.element.addEventListener("change", this._onChange.bind(this), false);
204    this._update();
205    this._handlerRegistry.addEventListener(WebInspector.HandlerRegistry.EventTypes.HandlersUpdated, this._update.bind(this));
206}
207
208WebInspector.HandlerSelector.prototype =
209{
210    _update: function()
211    {
212        this.element.removeChildren();
213        var names = this._handlerRegistry.handlerNames;
214        var activeHandler = this._handlerRegistry.activeHandler;
215
216        for (var i = 0; i < names.length; ++i) {
217            var option = document.createElement("option");
218            option.textContent = names[i];
219            option.selected = activeHandler === names[i];
220            this.element.appendChild(option);
221        }
222        this.element.disabled = names.length <= 1;
223    },
224
225    _onChange: function(event)
226    {
227        var value = event.target.value;
228        this._handlerRegistry.activeHandler = value;
229    }
230}
231
232
233/**
234 * @type {!WebInspector.HandlerRegistry}
235 */
236WebInspector.openAnchorLocationRegistry;
237