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        if (event.hasBeenHandledByHandlerRegistry)
100            return;
101        event.hasBeenHandledByHandlerRegistry = true;
102        this._appendContentProviderItems(contextMenu, target);
103        this._appendHrefItems(contextMenu, target);
104    },
105
106    /**
107     * @param {WebInspector.ContextMenu} contextMenu
108     * @param {Object} target
109     */
110    _appendContentProviderItems: function(contextMenu, target)
111    {
112        if (!(target instanceof WebInspector.UISourceCode || target instanceof WebInspector.Resource || target instanceof WebInspector.NetworkRequest))
113            return;
114        var contentProvider = /** @type {WebInspector.ContentProvider} */ (target);
115        if (!contentProvider.contentURL())
116            return;
117
118        contextMenu.appendItem(WebInspector.openLinkExternallyLabel(), WebInspector.openResource.bind(WebInspector, contentProvider.contentURL(), false));
119        // Skip 0th handler, as it's 'Use default panel' one.
120        for (var i = 1; i < this.handlerNames.length; ++i) {
121            var handler = this.handlerNames[i];
122            contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Open using %s" : "Open Using %s", handler),
123                this.dispatchToHandler.bind(this, handler, { url: contentProvider.contentURL() }));
124        }
125        contextMenu.appendItem(WebInspector.copyLinkAddressLabel(), InspectorFrontendHost.copyText.bind(InspectorFrontendHost, contentProvider.contentURL()));
126
127        if (!InspectorFrontendHost.canSave() || !contentProvider.contentURL())
128            return;
129
130        var contentType = contentProvider.contentType();
131        if (contentType !== WebInspector.resourceTypes.Document &&
132            contentType !== WebInspector.resourceTypes.Stylesheet &&
133            contentType !== WebInspector.resourceTypes.Script)
134            return;
135
136        function doSave(forceSaveAs, content)
137        {
138            var url = contentProvider.contentURL();
139            WebInspector.fileManager.save(url, content, forceSaveAs);
140            WebInspector.fileManager.close(url);
141        }
142
143        function save(forceSaveAs)
144        {
145            if (contentProvider instanceof WebInspector.UISourceCode) {
146                var uiSourceCode = /** @type {WebInspector.UISourceCode} */ (contentProvider);
147                if (uiSourceCode.isDirty()) {
148                    doSave(forceSaveAs, uiSourceCode.workingCopy());
149                    uiSourceCode.commitWorkingCopy(function() { });
150                    return;
151                }
152            }
153            contentProvider.requestContent(doSave.bind(this, forceSaveAs));
154        }
155
156        contextMenu.appendSeparator();
157        contextMenu.appendItem(WebInspector.UIString("Save"), save.bind(this, false));
158        contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Save as..." : "Save As..."), save.bind(this, true));
159    },
160
161    /**
162     * @param {WebInspector.ContextMenu} contextMenu
163     * @param {Object} target
164     */
165    _appendHrefItems: function(contextMenu, target)
166    {
167        if (!(target instanceof Node))
168            return;
169        var targetNode = /** @type {Node} */ (target);
170
171        var anchorElement = targetNode.enclosingNodeOrSelfWithClass("webkit-html-resource-link") || targetNode.enclosingNodeOrSelfWithClass("webkit-html-external-link");
172        if (!anchorElement)
173            return;
174
175        var resourceURL = anchorElement.href;
176        if (!resourceURL)
177            return;
178
179        // Add resource-related actions.
180        contextMenu.appendItem(WebInspector.openLinkExternallyLabel(), WebInspector.openResource.bind(WebInspector, resourceURL, false));
181        if (WebInspector.resourceForURL(resourceURL))
182            contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Open link in Resources panel" : "Open Link in Resources Panel"), WebInspector.openResource.bind(null, resourceURL, true));
183        contextMenu.appendItem(WebInspector.copyLinkAddressLabel(), InspectorFrontendHost.copyText.bind(InspectorFrontendHost, resourceURL));
184    },
185
186    __proto__: WebInspector.Object.prototype
187}
188
189
190WebInspector.HandlerRegistry.EventTypes = {
191    HandlersUpdated: "HandlersUpdated"
192}
193
194/**
195 * @constructor
196 */
197WebInspector.HandlerSelector = function(handlerRegistry)
198{
199    this._handlerRegistry = handlerRegistry;
200    this.element = document.createElement("select");
201    this.element.addEventListener("change", this._onChange.bind(this), false);
202    this._update();
203    this._handlerRegistry.addEventListener(WebInspector.HandlerRegistry.EventTypes.HandlersUpdated, this._update.bind(this));
204}
205
206WebInspector.HandlerSelector.prototype =
207{
208    _update: function()
209    {
210        this.element.removeChildren();
211        var names = this._handlerRegistry.handlerNames;
212        var activeHandler = this._handlerRegistry.activeHandler;
213
214        for (var i = 0; i < names.length; ++i) {
215            var option = document.createElement("option");
216            option.textContent = names[i];
217            option.selected = activeHandler === names[i];
218            this.element.appendChild(option);
219        }
220        this.element.disabled = names.length <= 1;
221    },
222
223    _onChange: function(event)
224    {
225        var value = event.target.value;
226        this._handlerRegistry.activeHandler = value;
227    }
228}
229
230
231/**
232 * @type {WebInspector.HandlerRegistry}
233 */
234WebInspector.openAnchorLocationRegistry = null;
235