Source/WebInspectorUI/UserInterface/Views/TextResourceContentView.js - WebKit - Git at Google

 /*
  * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */

 WI.TextResourceContentView = class TextResourceContentView extends WI.ResourceContentView
 {
     constructor(resource)
     {
         console.assert(resource instanceof WI.Resource || resource instanceof WI.CSSStyleSheet);

         super(resource, "text");

         resource.addEventListener(WI.SourceCode.Event.ContentDidChange, this._sourceCodeContentDidChange, this);

         var toolTip = WI.UIString("Pretty print");
         var activatedToolTip = WI.UIString("Original formatting");
         this._prettyPrintButtonNavigationItem = new WI.ActivateButtonNavigationItem("pretty-print", toolTip, activatedToolTip, "Images/NavigationItemCurleyBraces.svg", 13, 13);
         this._prettyPrintButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._togglePrettyPrint, this);
         this._prettyPrintButtonNavigationItem.enabled = false; // Enabled when the text editor is populated with content.
         this._prettyPrintButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;

         var toolTipTypes = WI.UIString("Show type information");
         var activatedToolTipTypes = WI.UIString("Hide type information");
         this._showTypesButtonNavigationItem = new WI.ActivateButtonNavigationItem("show-types", toolTipTypes, activatedToolTipTypes, "Images/NavigationItemTypes.svg", 13, 14);
         this._showTypesButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._toggleTypeAnnotations, this);
         this._showTypesButtonNavigationItem.enabled = false;
         this._showTypesButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
         WI.settings.showJavaScriptTypeInformation.addEventListener(WI.Setting.Event.Changed, this._showJavaScriptTypeInformationSettingChanged, this);

         let toolTipCodeCoverage = WI.UIString("Fade unexecuted code");
         let activatedToolTipCodeCoverage = WI.UIString("Do not fade unexecuted code");
         this._codeCoverageButtonNavigationItem = new WI.ActivateButtonNavigationItem("code-coverage", toolTipCodeCoverage, activatedToolTipCodeCoverage, "Images/NavigationItemCodeCoverage.svg", 13, 14);
         this._codeCoverageButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._toggleUnexecutedCodeHighlights, this);
         this._codeCoverageButtonNavigationItem.enabled = false;
         this._codeCoverageButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
         WI.settings.enableControlFlowProfiler.addEventListener(WI.Setting.Event.Changed, this._enableControlFlowProfilerSettingChanged, this);

         this._showingLocalResourceOverride = false;

         if (WI.NetworkManager.supportsLocalResourceOverrides()) {
             if (resource instanceof WI.Resource && resource.isLocalResourceOverride) {
                 this._showingLocalResourceOverride = true;
                 this._localResourceOverrideBannerView = new WI.LocalResourceOverrideLabelView(resource);

                 this._removeLocalResourceOverrideButtonNavigationItem = new WI.ButtonNavigationItem("remove-local-resource-override", WI.UIString("Remove Local Override"), "Images/NavigationItemTrash.svg", 15, 15);
                 this._removeLocalResourceOverrideButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._handleRemoveLocalResourceOverride, this);
                 this._removeLocalResourceOverrideButtonNavigationItem.enabled = true;
                 this._removeLocalResourceOverrideButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
             } else {
                 this._localResourceOverrideBannerView = new WI.LocalResourceOverrideWarningView(resource);

                 this._createLocalResourceOverrideButtonNavigationItem = new WI.ButtonNavigationItem("create-local-resource-override", WI.UIString("Create Local Override"), "Images/NavigationItemNetworkOverride.svg", 13, 14);
                 this._createLocalResourceOverrideButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._handleCreateLocalResourceOverride, this);
                 this._createLocalResourceOverrideButtonNavigationItem.enabled = false; // Enabled when the text editor is populated with content.
                 this._createLocalResourceOverrideButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
             }
         }

         this._textEditor = new WI.SourceCodeTextEditor(resource);
         this._textEditor.addEventListener(WI.TextEditor.Event.ExecutionLineNumberDidChange, this._executionLineNumberDidChange, this);
         this._textEditor.addEventListener(WI.TextEditor.Event.NumberOfSearchResultsDidChange, this._numberOfSearchResultsDidChange, this);
         this._textEditor.addEventListener(WI.TextEditor.Event.ContentDidChange, this._textEditorContentDidChange, this);
         this._textEditor.addEventListener(WI.TextEditor.Event.FormattingDidChange, this._textEditorFormattingDidChange, this);
         this._textEditor.addEventListener(WI.TextEditor.Event.MIMETypeChanged, this._handleTextEditorMIMETypeChanged, this);
         this._textEditor.addEventListener(WI.SourceCodeTextEditor.Event.ContentWillPopulate, this._contentWillPopulate, this);
         this._textEditor.addEventListener(WI.SourceCodeTextEditor.Event.ContentDidPopulate, this._contentDidPopulate, this);
         this._textEditor.readOnly = !this._shouldBeEditable();

         WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.ProbeSetAdded, this._probeSetsChanged, this);
         WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.ProbeSetRemoved, this._probeSetsChanged, this);

         if (WI.NetworkManager.supportsLocalResourceOverrides()) {
             WI.networkManager.addEventListener(WI.NetworkManager.Event.LocalResourceOverrideAdded, this._handleLocalResourceOverrideChanged, this);
             WI.networkManager.addEventListener(WI.NetworkManager.Event.LocalResourceOverrideRemoved, this._handleLocalResourceOverrideChanged, this);
         }
     }

     // Public

     get navigationItems()
     {
         let items = [];

         if (this._removeLocalResourceOverrideButtonNavigationItem)
             items.push(this._removeLocalResourceOverrideButtonNavigationItem);
         if (this._createLocalResourceOverrideButtonNavigationItem)
             items.push(this._createLocalResourceOverrideButtonNavigationItem);

         items.push(this._prettyPrintButtonNavigationItem);

         if (!this._showingLocalResourceOverride)
             items.push(this._showTypesButtonNavigationItem, this._codeCoverageButtonNavigationItem);

         return items;
     }

     get managesOwnIssues()
     {
         // SourceCodeTextEditor manages the issues, we don't need ResourceContentView doing it.
         return true;
     }

     get textEditor()
     {
         return this._textEditor;
     }

     get supplementalRepresentedObjects()
     {
         let objects = WI.debuggerManager.probeSets.filter(function(probeSet) {
             return this._resource.contentIdentifier === probeSet.breakpoint.contentIdentifier;
         }, this);

         // If the SourceCodeTextEditor has an executionLineNumber, we can assume
         // it is always the active call frame.
         if (!isNaN(this._textEditor.executionLineNumber))
             objects.push(WI.debuggerManager.activeCallFrame);

         return objects;
     }

     revealPosition(position, textRangeToSelect, forceUnformatted)
     {
         this._textEditor.revealPosition(position, textRangeToSelect, forceUnformatted);
     }

     shown()
     {
         super.shown();

         this._textEditor.shown();
     }

     hidden()
     {
         super.hidden();

         this._textEditor.hidden();
     }

     closed()
     {
         super.closed();

         this.resource.removeEventListener(null, null, this);
         WI.debuggerManager.removeEventListener(null, null, this);
         WI.networkManager.removeEventListener(null, null, this);
         WI.settings.showJavaScriptTypeInformation.removeEventListener(null, null, this);
         WI.settings.enableControlFlowProfiler.removeEventListener(null, null, this);
     }

     contentAvailable(content, base64Encoded)
     {
         // Do nothing.
     }

     get supportsSave()
     {
         return super.supportsSave || this.resource instanceof WI.CSSStyleSheet;
     }

     get saveData()
     {
         if (this.resource instanceof WI.CSSStyleSheet) {
             let url = WI.FileUtilities.inspectorURLForFilename("InspectorStyleSheet.css");
             return {url, content: this._textEditor.string, forceSaveAs: true};
         }
         return {url: this.resource.url, content: this._textEditor.string};
     }

     get supportsSearch()
     {
         return true;
     }

     get numberOfSearchResults()
     {
         return this._textEditor.numberOfSearchResults;
     }

     get hasPerformedSearch()
     {
         return this._textEditor.currentSearchQuery !== null;
     }

     set automaticallyRevealFirstSearchResult(reveal)
     {
         this._textEditor.automaticallyRevealFirstSearchResult = reveal;
     }

     performSearch(query)
     {
         this._textEditor.performSearch(query);
     }

     searchCleared()
     {
         this._textEditor.searchCleared();
     }

     searchQueryWithSelection()
     {
         return this._textEditor.searchQueryWithSelection();
     }

     revealPreviousSearchResult(changeFocus)
     {
         this._textEditor.revealPreviousSearchResult(changeFocus);
     }

     revealNextSearchResult(changeFocus)
     {
         this._textEditor.revealNextSearchResult(changeFocus);
     }

     // Private

     _contentWillPopulate(event)
     {
         if (this._textEditor.parentView === this)
             return;

         this.removeLoadingIndicator();

         if (this._localResourceOverrideBannerView)
             this.addSubview(this._localResourceOverrideBannerView);

         this.addSubview(this._textEditor);
     }

     _contentDidPopulate(event)
     {
         if (this._createLocalResourceOverrideButtonNavigationItem)
             this._createLocalResourceOverrideButtonNavigationItem.enabled = WI.networkManager.canBeOverridden(this.resource);

         this._prettyPrintButtonNavigationItem.enabled = this._textEditor.canBeFormatted();

         this._showTypesButtonNavigationItem.enabled = this._textEditor.canShowTypeAnnotations();
         this._showTypesButtonNavigationItem.activated = WI.settings.showJavaScriptTypeInformation.value;

         this._codeCoverageButtonNavigationItem.enabled = this._textEditor.canShowCoverageHints();
         this._codeCoverageButtonNavigationItem.activated = WI.settings.enableControlFlowProfiler.value;
     }

     async _handleCreateLocalResourceOverride(event)
     {
         let localResourceOverride = await this.resource.createLocalResourceOverride(this._textEditor.string);
         WI.networkManager.addLocalResourceOverride(localResourceOverride);
         WI.showLocalResourceOverride(localResourceOverride);
     }

     _handleRemoveLocalResourceOverride(event)
     {
         console.assert(this._showingLocalResourceOverride);

         let localResourceOverride = WI.networkManager.localResourceOverrideForURL(this.resource.url);
         WI.networkManager.removeLocalResourceOverride(localResourceOverride);
     }

     _togglePrettyPrint(event)
     {
         var activated = !this._prettyPrintButtonNavigationItem.activated;
         this._textEditor.updateFormattedState(activated);
     }

     _toggleTypeAnnotations(event)
     {
         this._showTypesButtonNavigationItem.enabled = false;
         this._textEditor.toggleTypeAnnotations().then(() => {
             this._showTypesButtonNavigationItem.enabled = true;
         });
     }

     _toggleUnexecutedCodeHighlights(event)
     {
         this._codeCoverageButtonNavigationItem.enabled = false;
         this._textEditor.toggleUnexecutedCodeHighlights().then(() => {
             this._codeCoverageButtonNavigationItem.enabled = true;
         });
     }

     _showJavaScriptTypeInformationSettingChanged(event)
     {
         this._showTypesButtonNavigationItem.activated = WI.settings.showJavaScriptTypeInformation.value;
     }

     _enableControlFlowProfilerSettingChanged(event)
     {
         this._codeCoverageButtonNavigationItem.activated = WI.settings.enableControlFlowProfiler.value;
     }

     _textEditorFormattingDidChange(event)
     {
         this._prettyPrintButtonNavigationItem.activated = this._textEditor.formatted;
     }

     _handleTextEditorMIMETypeChanged(event)
     {
         this._prettyPrintButtonNavigationItem.enabled = this._textEditor.canBeFormatted();
     }

     _handleLocalResourceOverrideChanged(event)
     {
         if (this.resource.url !== event.data.localResourceOverride.url)
             return;

         if (this._createLocalResourceOverrideButtonNavigationItem)
             this._createLocalResourceOverrideButtonNavigationItem.enabled = WI.networkManager.canBeOverridden(this.resource);
     }

     _sourceCodeContentDidChange(event)
     {
         if (this._ignoreSourceCodeContentDidChangeEvent)
             return;

         this._textEditor.string = this.resource.currentRevision.content;
     }

     _textEditorContentDidChange(event)
     {
         this._ignoreSourceCodeContentDidChangeEvent = true;
         this.resource.currentRevision.content = this._textEditor.string;
         this._ignoreSourceCodeContentDidChangeEvent = false;
     }

     _executionLineNumberDidChange(event)
     {
         this.dispatchEventToListeners(WI.ContentView.Event.SupplementalRepresentedObjectsDidChange);
     }

     _numberOfSearchResultsDidChange(event)
     {
         this.dispatchEventToListeners(WI.ContentView.Event.NumberOfSearchResultsDidChange);
     }

     _probeSetsChanged(event)
     {
         var breakpoint = event.data.probeSet.breakpoint;
         if (breakpoint.sourceCodeLocation.sourceCode === this.resource)
             this.dispatchEventToListeners(WI.ContentView.Event.SupplementalRepresentedObjectsDidChange);
     }

     _shouldBeEditable()
     {
         if (this.resource instanceof WI.CSSStyleSheet)
             return true;

         // Check the MIME-type for CSS since Resource.Type.StyleSheet also includes XSL, which we can't edit yet.
         if (this.resource.type === WI.Resource.Type.StyleSheet && this.resource.syntheticMIMEType === "text/css")
             return true;

         // Allow editing any local file since edits can be saved and reloaded right from the Inspector.
         if (this.resource.urlComponents.scheme === "file")
             return true;

         if (this._showingLocalResourceOverride)
             return true;

         return false;
     }
 };
	/*
	* Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	WI.TextResourceContentView = class TextResourceContentView extends WI.ResourceContentView
	{
	constructor(resource)
	{
	console.assert(resource instanceof WI.Resource \|\| resource instanceof WI.CSSStyleSheet);

	super(resource, "text");

	resource.addEventListener(WI.SourceCode.Event.ContentDidChange, this._sourceCodeContentDidChange, this);

	var toolTip = WI.UIString("Pretty print");
	var activatedToolTip = WI.UIString("Original formatting");
	this._prettyPrintButtonNavigationItem = new WI.ActivateButtonNavigationItem("pretty-print", toolTip, activatedToolTip, "Images/NavigationItemCurleyBraces.svg", 13, 13);
	this._prettyPrintButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._togglePrettyPrint, this);
	this._prettyPrintButtonNavigationItem.enabled = false; // Enabled when the text editor is populated with content.
	this._prettyPrintButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;

	var toolTipTypes = WI.UIString("Show type information");
	var activatedToolTipTypes = WI.UIString("Hide type information");
	this._showTypesButtonNavigationItem = new WI.ActivateButtonNavigationItem("show-types", toolTipTypes, activatedToolTipTypes, "Images/NavigationItemTypes.svg", 13, 14);
	this._showTypesButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._toggleTypeAnnotations, this);
	this._showTypesButtonNavigationItem.enabled = false;
	this._showTypesButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
	WI.settings.showJavaScriptTypeInformation.addEventListener(WI.Setting.Event.Changed, this._showJavaScriptTypeInformationSettingChanged, this);

	let toolTipCodeCoverage = WI.UIString("Fade unexecuted code");
	let activatedToolTipCodeCoverage = WI.UIString("Do not fade unexecuted code");
	this._codeCoverageButtonNavigationItem = new WI.ActivateButtonNavigationItem("code-coverage", toolTipCodeCoverage, activatedToolTipCodeCoverage, "Images/NavigationItemCodeCoverage.svg", 13, 14);
	this._codeCoverageButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._toggleUnexecutedCodeHighlights, this);
	this._codeCoverageButtonNavigationItem.enabled = false;
	this._codeCoverageButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
	WI.settings.enableControlFlowProfiler.addEventListener(WI.Setting.Event.Changed, this._enableControlFlowProfilerSettingChanged, this);

	this._showingLocalResourceOverride = false;

	if (WI.NetworkManager.supportsLocalResourceOverrides()) {
	if (resource instanceof WI.Resource && resource.isLocalResourceOverride) {
	this._showingLocalResourceOverride = true;
	this._localResourceOverrideBannerView = new WI.LocalResourceOverrideLabelView(resource);

	this._removeLocalResourceOverrideButtonNavigationItem = new WI.ButtonNavigationItem("remove-local-resource-override", WI.UIString("Remove Local Override"), "Images/NavigationItemTrash.svg", 15, 15);
	this._removeLocalResourceOverrideButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._handleRemoveLocalResourceOverride, this);
	this._removeLocalResourceOverrideButtonNavigationItem.enabled = true;
	this._removeLocalResourceOverrideButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
	} else {
	this._localResourceOverrideBannerView = new WI.LocalResourceOverrideWarningView(resource);

	this._createLocalResourceOverrideButtonNavigationItem = new WI.ButtonNavigationItem("create-local-resource-override", WI.UIString("Create Local Override"), "Images/NavigationItemNetworkOverride.svg", 13, 14);
	this._createLocalResourceOverrideButtonNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, this._handleCreateLocalResourceOverride, this);
	this._createLocalResourceOverrideButtonNavigationItem.enabled = false; // Enabled when the text editor is populated with content.
	this._createLocalResourceOverrideButtonNavigationItem.visibilityPriority = WI.NavigationItem.VisibilityPriority.Low;
	}
	}

	this._textEditor = new WI.SourceCodeTextEditor(resource);
	this._textEditor.addEventListener(WI.TextEditor.Event.ExecutionLineNumberDidChange, this._executionLineNumberDidChange, this);
	this._textEditor.addEventListener(WI.TextEditor.Event.NumberOfSearchResultsDidChange, this._numberOfSearchResultsDidChange, this);
	this._textEditor.addEventListener(WI.TextEditor.Event.ContentDidChange, this._textEditorContentDidChange, this);
	this._textEditor.addEventListener(WI.TextEditor.Event.FormattingDidChange, this._textEditorFormattingDidChange, this);
	this._textEditor.addEventListener(WI.TextEditor.Event.MIMETypeChanged, this._handleTextEditorMIMETypeChanged, this);
	this._textEditor.addEventListener(WI.SourceCodeTextEditor.Event.ContentWillPopulate, this._contentWillPopulate, this);
	this._textEditor.addEventListener(WI.SourceCodeTextEditor.Event.ContentDidPopulate, this._contentDidPopulate, this);
	this._textEditor.readOnly = !this._shouldBeEditable();

	WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.ProbeSetAdded, this._probeSetsChanged, this);
	WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.ProbeSetRemoved, this._probeSetsChanged, this);

	if (WI.NetworkManager.supportsLocalResourceOverrides()) {
	WI.networkManager.addEventListener(WI.NetworkManager.Event.LocalResourceOverrideAdded, this._handleLocalResourceOverrideChanged, this);
	WI.networkManager.addEventListener(WI.NetworkManager.Event.LocalResourceOverrideRemoved, this._handleLocalResourceOverrideChanged, this);
	}
	}

	// Public

	get navigationItems()
	{
	let items = [];

	if (this._removeLocalResourceOverrideButtonNavigationItem)
	items.push(this._removeLocalResourceOverrideButtonNavigationItem);
	if (this._createLocalResourceOverrideButtonNavigationItem)
	items.push(this._createLocalResourceOverrideButtonNavigationItem);

	items.push(this._prettyPrintButtonNavigationItem);

	if (!this._showingLocalResourceOverride)
	items.push(this._showTypesButtonNavigationItem, this._codeCoverageButtonNavigationItem);

	return items;
	}

	get managesOwnIssues()
	{
	// SourceCodeTextEditor manages the issues, we don't need ResourceContentView doing it.
	return true;
	}

	get textEditor()
	{
	return this._textEditor;
	}

	get supplementalRepresentedObjects()
	{
	let objects = WI.debuggerManager.probeSets.filter(function(probeSet) {
	return this._resource.contentIdentifier === probeSet.breakpoint.contentIdentifier;
	}, this);

	// If the SourceCodeTextEditor has an executionLineNumber, we can assume
	// it is always the active call frame.
	if (!isNaN(this._textEditor.executionLineNumber))
	objects.push(WI.debuggerManager.activeCallFrame);

	return objects;
	}

	revealPosition(position, textRangeToSelect, forceUnformatted)
	{
	this._textEditor.revealPosition(position, textRangeToSelect, forceUnformatted);
	}

	shown()
	{
	super.shown();

	this._textEditor.shown();
	}

	hidden()
	{
	super.hidden();

	this._textEditor.hidden();
	}

	closed()
	{
	super.closed();

	this.resource.removeEventListener(null, null, this);
	WI.debuggerManager.removeEventListener(null, null, this);
	WI.networkManager.removeEventListener(null, null, this);
	WI.settings.showJavaScriptTypeInformation.removeEventListener(null, null, this);
	WI.settings.enableControlFlowProfiler.removeEventListener(null, null, this);
	}

	contentAvailable(content, base64Encoded)
	{
	// Do nothing.
	}

	get supportsSave()
	{
	return super.supportsSave \|\| this.resource instanceof WI.CSSStyleSheet;
	}

	get saveData()
	{
	if (this.resource instanceof WI.CSSStyleSheet) {
	let url = WI.FileUtilities.inspectorURLForFilename("InspectorStyleSheet.css");
	return {url, content: this._textEditor.string, forceSaveAs: true};
	}
	return {url: this.resource.url, content: this._textEditor.string};
	}

	get supportsSearch()
	{
	return true;
	}

	get numberOfSearchResults()
	{
	return this._textEditor.numberOfSearchResults;
	}

	get hasPerformedSearch()
	{
	return this._textEditor.currentSearchQuery !== null;
	}

	set automaticallyRevealFirstSearchResult(reveal)
	{
	this._textEditor.automaticallyRevealFirstSearchResult = reveal;
	}

	performSearch(query)
	{
	this._textEditor.performSearch(query);
	}

	searchCleared()
	{
	this._textEditor.searchCleared();
	}

	searchQueryWithSelection()
	{
	return this._textEditor.searchQueryWithSelection();
	}

	revealPreviousSearchResult(changeFocus)
	{
	this._textEditor.revealPreviousSearchResult(changeFocus);
	}

	revealNextSearchResult(changeFocus)
	{
	this._textEditor.revealNextSearchResult(changeFocus);
	}

	// Private

	_contentWillPopulate(event)
	{
	if (this._textEditor.parentView === this)
	return;

	this.removeLoadingIndicator();

	if (this._localResourceOverrideBannerView)
	this.addSubview(this._localResourceOverrideBannerView);

	this.addSubview(this._textEditor);
	}

	_contentDidPopulate(event)
	{
	if (this._createLocalResourceOverrideButtonNavigationItem)
	this._createLocalResourceOverrideButtonNavigationItem.enabled = WI.networkManager.canBeOverridden(this.resource);

	this._prettyPrintButtonNavigationItem.enabled = this._textEditor.canBeFormatted();

	this._showTypesButtonNavigationItem.enabled = this._textEditor.canShowTypeAnnotations();
	this._showTypesButtonNavigationItem.activated = WI.settings.showJavaScriptTypeInformation.value;

	this._codeCoverageButtonNavigationItem.enabled = this._textEditor.canShowCoverageHints();
	this._codeCoverageButtonNavigationItem.activated = WI.settings.enableControlFlowProfiler.value;
	}

	async _handleCreateLocalResourceOverride(event)
	{
	let localResourceOverride = await this.resource.createLocalResourceOverride(this._textEditor.string);
	WI.networkManager.addLocalResourceOverride(localResourceOverride);
	WI.showLocalResourceOverride(localResourceOverride);
	}

	_handleRemoveLocalResourceOverride(event)
	{
	console.assert(this._showingLocalResourceOverride);

	let localResourceOverride = WI.networkManager.localResourceOverrideForURL(this.resource.url);
	WI.networkManager.removeLocalResourceOverride(localResourceOverride);
	}

	_togglePrettyPrint(event)
	{
	var activated = !this._prettyPrintButtonNavigationItem.activated;
	this._textEditor.updateFormattedState(activated);
	}

	_toggleTypeAnnotations(event)
	{
	this._showTypesButtonNavigationItem.enabled = false;
	this._textEditor.toggleTypeAnnotations().then(() => {
	this._showTypesButtonNavigationItem.enabled = true;
	});
	}

	_toggleUnexecutedCodeHighlights(event)
	{
	this._codeCoverageButtonNavigationItem.enabled = false;
	this._textEditor.toggleUnexecutedCodeHighlights().then(() => {
	this._codeCoverageButtonNavigationItem.enabled = true;
	});
	}

	_showJavaScriptTypeInformationSettingChanged(event)
	{
	this._showTypesButtonNavigationItem.activated = WI.settings.showJavaScriptTypeInformation.value;
	}

	_enableControlFlowProfilerSettingChanged(event)
	{
	this._codeCoverageButtonNavigationItem.activated = WI.settings.enableControlFlowProfiler.value;
	}

	_textEditorFormattingDidChange(event)
	{
	this._prettyPrintButtonNavigationItem.activated = this._textEditor.formatted;
	}

	_handleTextEditorMIMETypeChanged(event)
	{
	this._prettyPrintButtonNavigationItem.enabled = this._textEditor.canBeFormatted();
	}

	_handleLocalResourceOverrideChanged(event)
	{
	if (this.resource.url !== event.data.localResourceOverride.url)
	return;

	if (this._createLocalResourceOverrideButtonNavigationItem)
	this._createLocalResourceOverrideButtonNavigationItem.enabled = WI.networkManager.canBeOverridden(this.resource);
	}

	_sourceCodeContentDidChange(event)
	{
	if (this._ignoreSourceCodeContentDidChangeEvent)
	return;

	this._textEditor.string = this.resource.currentRevision.content;
	}

	_textEditorContentDidChange(event)
	{
	this._ignoreSourceCodeContentDidChangeEvent = true;
	this.resource.currentRevision.content = this._textEditor.string;
	this._ignoreSourceCodeContentDidChangeEvent = false;
	}

	_executionLineNumberDidChange(event)
	{
	this.dispatchEventToListeners(WI.ContentView.Event.SupplementalRepresentedObjectsDidChange);
	}

	_numberOfSearchResultsDidChange(event)
	{
	this.dispatchEventToListeners(WI.ContentView.Event.NumberOfSearchResultsDidChange);
	}

	_probeSetsChanged(event)
	{
	var breakpoint = event.data.probeSet.breakpoint;
	if (breakpoint.sourceCodeLocation.sourceCode === this.resource)
	this.dispatchEventToListeners(WI.ContentView.Event.SupplementalRepresentedObjectsDidChange);
	}

	_shouldBeEditable()
	{
	if (this.resource instanceof WI.CSSStyleSheet)
	return true;

	// Check the MIME-type for CSS since Resource.Type.StyleSheet also includes XSL, which we can't edit yet.
	if (this.resource.type === WI.Resource.Type.StyleSheet && this.resource.syntheticMIMEType === "text/css")
	return true;

	// Allow editing any local file since edits can be saved and reloaded right from the Inspector.
	if (this.resource.urlComponents.scheme === "file")
	return true;

	if (this._showingLocalResourceOverride)
	return true;

	return false;
	}
	};