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1/*
2 * Copyright (C) 2012 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 * @param {!WebInspector.Workspace} workspace
34 */
35WebInspector.LiveEditSupport = function(workspace)
36{
37    this._workspaceProvider = new WebInspector.SimpleWorkspaceProvider(workspace, WebInspector.projectTypes.LiveEdit);
38    WebInspector.debuggerModel.addEventListener(WebInspector.DebuggerModel.Events.GlobalObjectCleared, this._debuggerReset, this);
39    this._debuggerReset();
40}
41
42WebInspector.LiveEditSupport.prototype = {
43    /**
44     * @param {!WebInspector.UISourceCode} uiSourceCode
45     * @return {!WebInspector.UISourceCode}
46     */
47    uiSourceCodeForLiveEdit: function(uiSourceCode)
48    {
49        var rawLocation = uiSourceCode.uiLocationToRawLocation(0, 0);
50        var debuggerModelLocation = /** @type {!WebInspector.DebuggerModel.Location} */ (rawLocation);
51        var script = WebInspector.debuggerModel.scriptForId(debuggerModelLocation.scriptId);
52        var uiLocation = script.rawLocationToUILocation(0, 0);
53
54        // FIXME: Support live editing of scripts mapped to some file.
55        if (uiLocation.uiSourceCode !== uiSourceCode)
56            return uiLocation.uiSourceCode;
57        if (this._uiSourceCodeForScriptId[script.scriptId])
58            return this._uiSourceCodeForScriptId[script.scriptId];
59
60        console.assert(!script.isInlineScript());
61        var liveEditUISourceCode = this._workspaceProvider.addUniqueFileForURL(script.sourceURL, script, true, script.isContentScript);
62
63        liveEditUISourceCode.setScriptFile(new WebInspector.LiveEditScriptFile(uiSourceCode, liveEditUISourceCode, script.scriptId));
64        this._uiSourceCodeForScriptId[script.scriptId] = liveEditUISourceCode;
65        this._scriptIdForUISourceCode.put(liveEditUISourceCode, script.scriptId);
66        return liveEditUISourceCode;
67    },
68
69    _debuggerReset: function()
70    {
71        /** @type {!Object.<string, !WebInspector.UISourceCode>} */
72        this._uiSourceCodeForScriptId = {};
73        /** @type {!Map.<!WebInspector.UISourceCode, string>} */
74        this._scriptIdForUISourceCode = new Map();
75        this._workspaceProvider.reset();
76    },
77}
78
79/**
80 * @param {?string} error
81 * @param {!DebuggerAgent.SetScriptSourceError=} errorData
82 * @param {!WebInspector.Script=} contextScript
83 */
84WebInspector.LiveEditSupport.logDetailedError = function(error, errorData, contextScript)
85{
86    var warningLevel = WebInspector.ConsoleMessage.MessageLevel.Warning;
87    if (!errorData) {
88        if (error)
89            WebInspector.log(WebInspector.UIString("LiveEdit failed: %s", error), warningLevel, false);
90        return;
91    }
92    var compileError = errorData.compileError;
93    if (compileError) {
94        var message = "LiveEdit compile failed: " + compileError.message;
95        if (contextScript)
96            message += " at " + contextScript.sourceURL + ":" + compileError.lineNumber + ":" + compileError.columnNumber;
97        WebInspector.log(message, WebInspector.ConsoleMessage.MessageLevel.Error, false);
98    } else {
99        WebInspector.log("Unknown LiveEdit error: " + JSON.stringify(errorData) + "; " + error, warningLevel, false);
100    }
101}
102
103WebInspector.LiveEditSupport.logSuccess = function()
104{
105    WebInspector.log(WebInspector.UIString("Recompilation and update succeeded."), WebInspector.ConsoleMessage.MessageLevel.Debug, false);
106}
107
108/**
109 * @constructor
110 * @implements {WebInspector.ScriptFile}
111 * @extends {WebInspector.Object}
112 * @param {!WebInspector.UISourceCode} uiSourceCode
113 * @param {!WebInspector.UISourceCode} liveEditUISourceCode
114 * @param {string} scriptId
115 */
116WebInspector.LiveEditScriptFile = function(uiSourceCode, liveEditUISourceCode, scriptId)
117{
118    WebInspector.ScriptFile.call(this);
119    this._uiSourceCode = uiSourceCode;
120    this._liveEditUISourceCode = liveEditUISourceCode;
121    this._scriptId = scriptId;
122    this._liveEditUISourceCode.addEventListener(WebInspector.UISourceCode.Events.WorkingCopyCommitted, this._workingCopyCommitted, this);
123}
124
125WebInspector.LiveEditScriptFile.prototype = {
126    _workingCopyCommitted: function(event)
127    {
128        /**
129         * @param {?string} error
130         * @param {!DebuggerAgent.SetScriptSourceError=} errorData
131         * @this {WebInspector.LiveEditScriptFile}
132         */
133        function innerCallback(error, errorData)
134        {
135            if (error) {
136                var script = WebInspector.debuggerModel.scriptForId(this._scriptId);
137                WebInspector.LiveEditSupport.logDetailedError(error, errorData, script);
138                return;
139            }
140            WebInspector.LiveEditSupport.logSuccess();
141        }
142
143        var script = WebInspector.debuggerModel.scriptForId(this._scriptId);
144        WebInspector.debuggerModel.setScriptSource(script.scriptId, this._liveEditUISourceCode.workingCopy(), innerCallback.bind(this));
145    },
146
147    /**
148     * @return {boolean}
149     */
150    hasDivergedFromVM: function()
151    {
152        return true;
153    },
154
155    /**
156     * @return {boolean}
157     */
158    isDivergingFromVM: function()
159    {
160        return false;
161    },
162
163    /**
164     * @return {boolean}
165     */
166    isMergingToVM: function()
167    {
168        return false;
169    },
170
171    checkMapping: function()
172    {
173    },
174
175    __proto__: WebInspector.Object.prototype
176}
177
178/** @type {!WebInspector.LiveEditSupport} */
179WebInspector.liveEditSupport;
180