src/third_party/WebKit/Source/devtools/front_end/bindings/ScriptSnippetModel.js

   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  * @extends {WebInspector.Object}
  34  * @implements {WebInspector.TargetManager.Observer}
  35  * @param {!WebInspector.Workspace} workspace
  36  */
  37 WebInspector.ScriptSnippetModel = function(workspace)
  38 {
  39     this._workspace = workspace;
  40     /** @type {!Object.<string, !WebInspector.UISourceCode>} */
  41     this._uiSourceCodeForSnippetId = {};
  42     /** @type {!Map.<!WebInspector.UISourceCode, string>} */
  43     this._snippetIdForUISourceCode = new Map();
  44
  45     /** @type {!Map.<!WebInspector.Target, !WebInspector.SnippetScriptMapping>} */
  46     this._mappingForTarget = new Map();
  47     this._snippetStorage = new WebInspector.SnippetStorage("script", "Script snippet #");
  48     this._lastSnippetEvaluationIndexSetting = WebInspector.settings.createSetting("lastSnippetEvaluationIndex", 0);
  49     this._projectId = WebInspector.projectTypes.Snippets + ":";
  50     this._projectDelegate = new WebInspector.SnippetsProjectDelegate(workspace, this, this._projectId);
  51     this._project = this._workspace.project(this._projectId);
  52     this._loadSnippets();
  53     WebInspector.targetManager.observeTargets(this);
  54 }
  55
  56 WebInspector.ScriptSnippetModel.prototype = {
  57
  58     /**
  59      * @param {!WebInspector.Target} target
  60      */
  61     targetAdded: function(target)
  62     {
  63         this._mappingForTarget.set(target, new WebInspector.SnippetScriptMapping(target, this));
  64     },
  65
  66     /**
  67      * @param {!WebInspector.Target} target
  68      */
  69     targetRemoved: function(target)
  70     {
  71         this._mappingForTarget.remove(target);
  72     },
  73
  74     /**
  75      * @param {!WebInspector.Target} target
  76      * @return {!WebInspector.SnippetScriptMapping|undefined}
  77      */
  78     snippetScriptMapping: function(target) {
  79         return this._mappingForTarget.get(target);
  80     },
  81
  82     /**
  83      * @param {!WebInspector.Script} script
  84      */
  85     addScript: function(script)
  86     {
  87         this._mappingForTarget.get(script.target()).addScript(script);
  88     },
  89
  90     /**
  91      * @param {!WebInspector.Target} target
  92      * @return {!WebInspector.SnippetScriptMapping}
  93      */
  94     createSnippetScriptMapping: function(target)
  95     {
  96         return new WebInspector.SnippetScriptMapping(target, this);
  97     },
  98
  99     /**
 100      * @return {!WebInspector.Project}
 101      */
 102     project: function()
 103     {
 104         return this._project;
 105     },
 106
 107     _loadSnippets: function()
 108     {
 109         var snippets = this._snippetStorage.snippets();
 110         for (var i = 0; i < snippets.length; ++i)
 111             this._addScriptSnippet(snippets[i]);
 112     },
 113
 114     /**
 115      * @param {string} content
 116      * @return {string}
 117      */
 118     createScriptSnippet: function(content)
 119     {
 120         var snippet = this._snippetStorage.createSnippet();
 121         snippet.content = content;
 122         return this._addScriptSnippet(snippet);
 123     },
 124
 125     /**
 126      * @param {!WebInspector.Snippet} snippet
 127      * @return {string}
 128      */
 129     _addScriptSnippet: function(snippet)
 130     {
 131         var path = this._projectDelegate.addSnippet(snippet.name, new WebInspector.SnippetContentProvider(snippet));
 132         var uiSourceCode = this._workspace.uiSourceCode(this._projectId, path);
 133         if (!uiSourceCode) {
 134             console.assert(uiSourceCode);
 135             return "";
 136         }
 137         uiSourceCode.addEventListener(WebInspector.UISourceCode.Events.WorkingCopyChanged, this._workingCopyChanged, this);
 138         this._snippetIdForUISourceCode.set(uiSourceCode, snippet.id);
 139         var breakpointLocations = this._removeBreakpoints(uiSourceCode);
 140         this._restoreBreakpoints(uiSourceCode, breakpointLocations);
 141         this._uiSourceCodeForSnippetId[snippet.id] = uiSourceCode;
 142         return path;
 143     },
 144
 145     /**
 146      * @param {!WebInspector.Event} event
 147      */
 148     _workingCopyChanged: function(event)
 149     {
 150         var uiSourceCode = /** @type {!WebInspector.UISourceCode} */ (event.target);
 151         this._scriptSnippetEdited(uiSourceCode);
 152     },
 153
 154     /**
 155      * @param {string} path
 156      */
 157     deleteScriptSnippet: function(path)
 158     {
 159         var uiSourceCode = this._workspace.uiSourceCode(this._projectId, path);
 160         if (!uiSourceCode)
 161             return;
 162         var snippetId = this._snippetIdForUISourceCode.get(uiSourceCode) || "";
 163         var snippet = this._snippetStorage.snippetForId(snippetId);
 164         this._snippetStorage.deleteSnippet(snippet);
 165         this._removeBreakpoints(uiSourceCode);
 166         this._releaseSnippetScript(uiSourceCode);
 167         delete this._uiSourceCodeForSnippetId[snippet.id];
 168         this._snippetIdForUISourceCode.remove(uiSourceCode);
 169         this._projectDelegate.removeFile(snippet.name);
 170     },
 171
 172     /**
 173      * @param {string} name
 174      * @param {string} newName
 175      * @param {function(boolean, string=)} callback
 176      */
 177     renameScriptSnippet: function(name, newName, callback)
 178     {
 179         newName = newName.trim();
 180         if (!newName || newName.indexOf("/") !== -1 || name === newName || this._snippetStorage.snippetForName(newName)) {
 181             callback(false);
 182             return;
 183         }
 184         var snippet = this._snippetStorage.snippetForName(name);
 185         console.assert(snippet, "Snippet '" + name + "' was not found.");
 186         var uiSourceCode = this._uiSourceCodeForSnippetId[snippet.id];
 187         console.assert(uiSourceCode, "No uiSourceCode was found for snippet '" + name + "'.");
 188
 189         var breakpointLocations = this._removeBreakpoints(uiSourceCode);
 190         snippet.name = newName;
 191         this._restoreBreakpoints(uiSourceCode, breakpointLocations);
 192         callback(true, newName);
 193     },
 194
 195     /**
 196      * @param {string} name
 197      * @param {string} newContent
 198      */
 199     _setScriptSnippetContent: function(name, newContent)
 200     {
 201         var snippet = this._snippetStorage.snippetForName(name);
 202         snippet.content = newContent;
 203     },
 204
 205     /**
 206      * @param {!WebInspector.UISourceCode} uiSourceCode
 207      */
 208     _scriptSnippetEdited: function(uiSourceCode)
 209     {
 210         var breakpointLocations = this._removeBreakpoints(uiSourceCode);
 211         this._releaseSnippetScript(uiSourceCode);
 212         this._restoreBreakpoints(uiSourceCode, breakpointLocations);
 213         this._mappingForTarget.valuesArray().forEach(function(mapping) {mapping._restoreBreakpoints(uiSourceCode, breakpointLocations)});
 214     },
 215
 216     /**
 217      * @return {number}
 218      */
 219     _nextEvaluationIndex: function()
 220     {
 221         var evaluationIndex = this._lastSnippetEvaluationIndexSetting.get() + 1;
 222         this._lastSnippetEvaluationIndexSetting.set(evaluationIndex);
 223         return evaluationIndex;
 224     },
 225
 226     /**
 227      * @param {!WebInspector.ExecutionContext} executionContext
 228      * @param {!WebInspector.UISourceCode} uiSourceCode
 229      */
 230     evaluateScriptSnippet: function(executionContext, uiSourceCode)
 231     {
 232         var breakpointLocations = this._removeBreakpoints(uiSourceCode);
 233         this._releaseSnippetScript(uiSourceCode);
 234         this._restoreBreakpoints(uiSourceCode, breakpointLocations);
 235
 236         var target = executionContext.target();
 237         var evaluationIndex = this._nextEvaluationIndex();
 238         var mapping = this._mappingForTarget.get(target);
 239         mapping._setEvaluationIndex(evaluationIndex, uiSourceCode);
 240         var evaluationUrl = mapping._evaluationSourceURL(uiSourceCode);
 241         var expression = uiSourceCode.workingCopy();
 242         WebInspector.console.show();
 243         target.debuggerAgent().compileScript(expression, evaluationUrl, executionContext.id, compileCallback.bind(this, target));
 244
 245         /**
 246          * @param {!WebInspector.Target} target
 247          * @param {?string} error
 248          * @param {!DebuggerAgent.ScriptId=} scriptId
 249          * @param {?DebuggerAgent.ExceptionDetails=} exceptionDetails
 250          * @this {WebInspector.ScriptSnippetModel}
 251          */
 252         function compileCallback(target, error, scriptId, exceptionDetails)
 253         {
 254             if (!uiSourceCode || this._mappingForTarget.get(target).evaluationIndex(uiSourceCode) !== evaluationIndex)
 255                 return;
 256
 257             if (error) {
 258                 console.error(error);
 259                 return;
 260             }
 261
 262             if (!scriptId) {
 263                 this._printRunOrCompileScriptResultFailure(target, exceptionDetails, evaluationUrl);
 264                 return;
 265             }
 266
 267             var breakpointLocations = this._removeBreakpoints(uiSourceCode);
 268             this._restoreBreakpoints(uiSourceCode, breakpointLocations);
 269
 270             this._runScript(scriptId, executionContext, evaluationUrl);
 271         }
 272     },
 273
 274     /**
 275      * @param {!DebuggerAgent.ScriptId} scriptId
 276      * @param {!WebInspector.ExecutionContext} executionContext
 277      * @param {?string=} sourceURL
 278      */
 279     _runScript: function(scriptId, executionContext, sourceURL)
 280     {
 281         var target = executionContext.target();
 282         target.debuggerAgent().runScript(scriptId, executionContext.id, "console", false, runCallback.bind(this, target));
 283
 284         /**
 285          * @param {!WebInspector.Target} target
 286          * @param {?string} error
 287          * @param {?RuntimeAgent.RemoteObject} result
 288          * @param {?DebuggerAgent.ExceptionDetails=} exceptionDetails
 289          * @this {WebInspector.ScriptSnippetModel}
 290          */
 291         function runCallback(target, error, result, exceptionDetails)
 292         {
 293             if (error) {
 294                 console.error(error);
 295                 return;
 296             }
 297
 298             if (!exceptionDetails)
 299                 this._printRunScriptResult(target, result, sourceURL);
 300             else
 301                 this._printRunOrCompileScriptResultFailure(target, exceptionDetails, sourceURL);
 302         }
 303     },
 304
 305     /**
 306      * @param {!WebInspector.Target} target
 307      * @param {?RuntimeAgent.RemoteObject} result
 308      * @param {?string=} sourceURL
 309      */
 310     _printRunScriptResult: function(target, result, sourceURL)
 311     {
 312         var consoleMessage = new WebInspector.ConsoleMessage(
 313             target,
 314             WebInspector.ConsoleMessage.MessageSource.JS,
 315             WebInspector.ConsoleMessage.MessageLevel.Log,
 316             "",
 317             undefined,
 318             sourceURL,
 319             undefined,
 320             undefined,
 321             undefined,
 322             [result],
 323             undefined);
 324         target.consoleModel.addMessage(consoleMessage);
 325     },
 326
 327     /**
 328      * @param {!WebInspector.Target} target
 329      * @param {?DebuggerAgent.ExceptionDetails=} exceptionDetails
 330      * @param {?string=} sourceURL
 331      */
 332     _printRunOrCompileScriptResultFailure: function(target, exceptionDetails, sourceURL)
 333     {
 334         var consoleMessage = new WebInspector.ConsoleMessage(
 335             target,
 336             exceptionDetails.source,
 337             WebInspector.ConsoleMessage.MessageLevel.Error,
 338             exceptionDetails.text,
 339             undefined,
 340             sourceURL,
 341             exceptionDetails.line,
 342             exceptionDetails.column,
 343             undefined,
 344             undefined,
 345             exceptionDetails.stackTrace);
 346         target.consoleModel.addMessage(consoleMessage);
 347     },
 348
 349     /**
 350      * @param {!WebInspector.UISourceCode} uiSourceCode
 351      * @return {!Array.<!{breakpoint: !WebInspector.BreakpointManager.Breakpoint, uiLocation: !WebInspector.UILocation}>}
 352      */
 353     _removeBreakpoints: function(uiSourceCode)
 354     {
 355         var breakpointLocations = WebInspector.breakpointManager.breakpointLocationsForUISourceCode(uiSourceCode);
 356         for (var i = 0; i < breakpointLocations.length; ++i)
 357             breakpointLocations[i].breakpoint.remove();
 358         return breakpointLocations;
 359     },
 360
 361     /**
 362      * @param {!WebInspector.UISourceCode} uiSourceCode
 363      * @param {!Array.<!{breakpoint: !WebInspector.BreakpointManager.Breakpoint, uiLocation: !WebInspector.UILocation}>} breakpointLocations
 364      */
 365     _restoreBreakpoints: function(uiSourceCode, breakpointLocations)
 366     {
 367         for (var i = 0; i < breakpointLocations.length; ++i) {
 368             var uiLocation = breakpointLocations[i].uiLocation;
 369             var breakpoint = breakpointLocations[i].breakpoint;
 370             WebInspector.breakpointManager.setBreakpoint(uiSourceCode, uiLocation.lineNumber, uiLocation.columnNumber, breakpoint.condition(), breakpoint.enabled());
 371         }
 372     },
 373
 374     /**
 375      * @param {!WebInspector.UISourceCode} uiSourceCode
 376      */
 377     _releaseSnippetScript: function(uiSourceCode)
 378     {
 379         this._mappingForTarget.valuesArray().forEach(function(mapping) {mapping._releaseSnippetScript(uiSourceCode)});
 380     },
 381
 382     /**
 383      * @param {string} sourceURL
 384      * @return {?string}
 385      */
 386     _snippetIdForSourceURL: function(sourceURL)
 387     {
 388         var snippetPrefix = WebInspector.Script.snippetSourceURLPrefix;
 389         if (!sourceURL.startsWith(snippetPrefix))
 390             return null;
 391         var splitURL = sourceURL.substring(snippetPrefix.length).split("_");
 392         var snippetId = splitURL[0];
 393         return snippetId;
 394     },
 395
 396     __proto__: WebInspector.Object.prototype
 397 }
 398
 399 /**
 400  * @constructor
 401  * @implements {WebInspector.DebuggerSourceMapping}
 402  * @param {!WebInspector.Target} target
 403  * @param {!WebInspector.ScriptSnippetModel} scriptSnippetModel
 404  */
 405 WebInspector.SnippetScriptMapping = function(target, scriptSnippetModel)
 406 {
 407     this._target = target;
 408     this._scriptSnippetModel = scriptSnippetModel;
 409     /** @type {!Object.<string, !WebInspector.UISourceCode>} */
 410     this._uiSourceCodeForScriptId = {};
 411     /** @type {!Map.<!WebInspector.UISourceCode, !WebInspector.Script>} */
 412     this._scriptForUISourceCode = new Map();
 413     /** @type {!Map.<!WebInspector.UISourceCode, number>} */
 414     this._evaluationIndexForUISourceCode = new Map();
 415     target.debuggerModel.addEventListener(WebInspector.DebuggerModel.Events.GlobalObjectCleared, this._reset, this);
 416 }
 417
 418 WebInspector.SnippetScriptMapping.prototype = {
 419     /**
 420      * @param {!WebInspector.UISourceCode} uiSourceCode
 421      */
 422     _releaseSnippetScript: function(uiSourceCode)
 423     {
 424         var script = this._scriptForUISourceCode.get(uiSourceCode);
 425         if (!script)
 426             return;
 427
 428         delete this._uiSourceCodeForScriptId[script.scriptId];
 429         this._scriptForUISourceCode.remove(uiSourceCode);
 430         this._evaluationIndexForUISourceCode.remove(uiSourceCode);
 431     },
 432
 433     /**
 434      +* @param {number} evaluationIndex
 435      * @param {!WebInspector.UISourceCode} uiSourceCode
 436      */
 437     _setEvaluationIndex: function(evaluationIndex, uiSourceCode)
 438     {
 439         this._evaluationIndexForUISourceCode.set(uiSourceCode, evaluationIndex);
 440     },
 441
 442     /**
 443      * @param {!WebInspector.UISourceCode} uiSourceCode
 444      * @return {number|undefined}
 445      */
 446     evaluationIndex: function(uiSourceCode)
 447     {
 448         return this._evaluationIndexForUISourceCode.get(uiSourceCode);
 449     },
 450
 451     /**
 452      * @param {!WebInspector.UISourceCode} uiSourceCode
 453      * @return {string}
 454      */
 455     _evaluationSourceURL: function(uiSourceCode)
 456     {
 457         var evaluationSuffix = "_" + this._evaluationIndexForUISourceCode.get(uiSourceCode);
 458         var snippetId = this._scriptSnippetModel._snippetIdForUISourceCode.get(uiSourceCode);
 459         return WebInspector.Script.snippetSourceURLPrefix + snippetId + evaluationSuffix;
 460     },
 461
 462     _reset: function()
 463     {
 464         this._uiSourceCodeForScriptId = {};
 465         this._scriptForUISourceCode.clear();
 466         this._evaluationIndexForUISourceCode.clear();
 467     },
 468
 469     /**
 470      * @param {!WebInspector.DebuggerModel.Location} rawLocation
 471      * @return {?WebInspector.UILocation}
 472      */
 473     rawLocationToUILocation: function(rawLocation)
 474     {
 475         var debuggerModelLocation = /** @type {!WebInspector.DebuggerModel.Location} */(rawLocation);
 476         var uiSourceCode = this._uiSourceCodeForScriptId[debuggerModelLocation.scriptId];
 477         if (!uiSourceCode)
 478             return null;
 479
 480         return uiSourceCode.uiLocation(debuggerModelLocation.lineNumber, debuggerModelLocation.columnNumber || 0);
 481     },
 482
 483     /**
 484      * @param {!WebInspector.UISourceCode} uiSourceCode
 485      * @param {number} lineNumber
 486      * @param {number} columnNumber
 487      * @return {?WebInspector.DebuggerModel.Location}
 488      */
 489     uiLocationToRawLocation: function(uiSourceCode, lineNumber, columnNumber)
 490     {
 491         var script = this._scriptForUISourceCode.get(uiSourceCode);
 492         if (!script)
 493             return null;
 494
 495         return this._target.debuggerModel.createRawLocation(script, lineNumber, columnNumber);
 496     },
 497
 498     /**
 499      * @param {string} sourceURL
 500      * @return {?string}
 501      */
 502     snippetIdForSourceURL: function(sourceURL)
 503     {
 504         return this._scriptSnippetModel._snippetIdForSourceURL(sourceURL);
 505     },
 506
 507     /**
 508      * @param {!WebInspector.Script} script
 509      */
 510     addScript: function(script)
 511     {
 512         var snippetId = this.snippetIdForSourceURL(script.sourceURL);
 513         if (!snippetId)
 514             return;
 515         var uiSourceCode = this._scriptSnippetModel._uiSourceCodeForSnippetId[snippetId];
 516
 517         if (!uiSourceCode || this._evaluationSourceURL(uiSourceCode) !== script.sourceURL)
 518             return;
 519
 520         console.assert(!this._scriptForUISourceCode.get(uiSourceCode));
 521         WebInspector.debuggerWorkspaceBinding.setSourceMapping(this._target, uiSourceCode, this);
 522         this._uiSourceCodeForScriptId[script.scriptId] = uiSourceCode;
 523         this._scriptForUISourceCode.set(uiSourceCode, script);
 524         WebInspector.debuggerWorkspaceBinding.pushSourceMapping(script, this);
 525     },
 526
 527     /**
 528      * @param {!WebInspector.UISourceCode} uiSourceCode
 529      * @param {!Array.<!{breakpoint: !WebInspector.BreakpointManager.Breakpoint, uiLocation: !WebInspector.UILocation}>} breakpointLocations
 530      */
 531     _restoreBreakpoints: function(uiSourceCode, breakpointLocations)
 532     {
 533         var script = this._scriptForUISourceCode.get(uiSourceCode);
 534         if (!script)
 535             return;
 536
 537         var rawLocation = /** @type {!WebInspector.DebuggerModel.Location} */ (script.target().debuggerModel.createRawLocation(script, 0, 0));
 538         var scriptUISourceCode = WebInspector.debuggerWorkspaceBinding.rawLocationToUILocation(rawLocation).uiSourceCode;
 539         if (scriptUISourceCode)
 540             this._scriptSnippetModel._restoreBreakpoints(scriptUISourceCode, breakpointLocations);
 541     },
 542
 543     /**
 544      * @return {boolean}
 545      */
 546     isIdentity: function()
 547     {
 548         return false;
 549     },
 550
 551     /**
 552      * @param {!WebInspector.UISourceCode} uiSourceCode
 553      * @param {number} lineNumber
 554      * @return {boolean}
 555      */
 556     uiLineHasMapping: function(uiSourceCode, lineNumber)
 557     {
 558         return true;
 559     }
 560 }
 561
 562 /**
 563  * @constructor
 564  * @implements {WebInspector.ContentProvider}
 565  * @param {!WebInspector.Snippet} snippet
 566  */
 567 WebInspector.SnippetContentProvider = function(snippet)
 568 {
 569     this._snippet = snippet;
 570 }
 571
 572 WebInspector.SnippetContentProvider.prototype = {
 573     /**
 574      * @return {string}
 575      */
 576     contentURL: function()
 577     {
 578         return "";
 579     },
 580
 581     /**
 582      * @return {!WebInspector.ResourceType}
 583      */
 584     contentType: function()
 585     {
 586         return WebInspector.resourceTypes.Script;
 587     },
 588
 589     /**
 590      * @param {function(?string)} callback
 591      */
 592     requestContent: function(callback)
 593     {
 594         callback(this._snippet.content);
 595     },
 596
 597     /**
 598      * @param {string} query
 599      * @param {boolean} caseSensitive
 600      * @param {boolean} isRegex
 601      * @param {function(!Array.<!WebInspector.ContentProvider.SearchMatch>)} callback
 602      */
 603     searchInContent: function(query, caseSensitive, isRegex, callback)
 604     {
 605         /**
 606          * @this {WebInspector.SnippetContentProvider}
 607          */
 608         function performSearch()
 609         {
 610             callback(WebInspector.ContentProvider.performSearchInContent(this._snippet.content, query, caseSensitive, isRegex));
 611         }
 612
 613         // searchInContent should call back later.
 614         window.setTimeout(performSearch.bind(this), 0);
 615     }
 616 }
 617
 618 /**
 619  * @constructor
 620  * @extends {WebInspector.ContentProviderBasedProjectDelegate}
 621  * @param {!WebInspector.Workspace} workspace
 622  * @param {!WebInspector.ScriptSnippetModel} model
 623  * @param {string} id
 624  */
 625 WebInspector.SnippetsProjectDelegate = function(workspace, model, id)
 626 {
 627     WebInspector.ContentProviderBasedProjectDelegate.call(this, workspace, id, WebInspector.projectTypes.Snippets);
 628     this._model = model;
 629 }
 630
 631 WebInspector.SnippetsProjectDelegate.prototype = {
 632     /**
 633      * @param {string} name
 634      * @param {!WebInspector.ContentProvider} contentProvider
 635      * @return {string}
 636      */
 637     addSnippet: function(name, contentProvider)
 638     {
 639         return this.addContentProvider("", name, name, name, contentProvider);
 640     },
 641
 642     /**
 643      * @return {boolean}
 644      */
 645     canSetFileContent: function()
 646     {
 647         return true;
 648     },
 649
 650     /**
 651      * @param {string} path
 652      * @param {string} newContent
 653      * @param {function(?string)} callback
 654      */
 655     setFileContent: function(path, newContent, callback)
 656     {
 657         this._model._setScriptSnippetContent(path, newContent);
 658         callback("");
 659     },
 660
 661     /**
 662      * @return {boolean}
 663      */
 664     canRename: function()
 665     {
 666         return true;
 667     },
 668
 669     /**
 670      * @param {string} path
 671      * @param {string} newName
 672      * @param {function(boolean, string=)} callback
 673      */
 674     performRename: function(path, newName, callback)
 675     {
 676         this._model.renameScriptSnippet(path, newName, callback);
 677     },
 678
 679     /**
 680      * @param {string} path
 681      * @param {?string} name
 682      * @param {string} content
 683      * @param {function(?string)} callback
 684      */
 685     createFile: function(path, name, content, callback)
 686     {
 687         var filePath = this._model.createScriptSnippet(content);
 688         callback(filePath);
 689     },
 690
 691     /**
 692      * @param {string} path
 693      */
 694     deleteFile: function(path)
 695     {
 696         this._model.deleteScriptSnippet(path);
 697     },
 698
 699     __proto__: WebInspector.ContentProviderBasedProjectDelegate.prototype
 700 }
 701
 702 /**
 703  * @type {!WebInspector.ScriptSnippetModel}
 704  */
 705 WebInspector.scriptSnippetModel;