WorkspaceDiff.WorkspaceDiff=class extends Common.Object{constructor(workspace){super();this._uiSourceCodeDiffs=new WeakMap();this._loadingUISourceCodes=new Map();this._modifiedUISourceCodes=new Set();workspace.addEventListener(Workspace.Workspace.Events.WorkingCopyChanged,this._uiSourceCodeChanged,this);workspace.addEventListener(Workspace.Workspace.Events.WorkingCopyCommitted,this._uiSourceCodeChanged,this);workspace.addEventListener(Workspace.Workspace.Events.UISourceCodeAdded,this._uiSourceCodeAdded,this);workspace.addEventListener(Workspace.Workspace.Events.UISourceCodeRemoved,this._uiSourceCodeRemoved,this);workspace.addEventListener(Workspace.Workspace.Events.ProjectRemoved,this._projectRemoved,this);workspace.uiSourceCodes().forEach(this._updateModifiedState.bind(this));}
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requestDiff(uiSourceCode){return this._uiSourceCodeDiff(uiSourceCode).requestDiff();}
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subscribeToDiffChange(uiSourceCode,callback,thisObj){this._uiSourceCodeDiff(uiSourceCode).addEventListener(WorkspaceDiff.Events.DiffChanged,callback,thisObj);}
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unsubscribeFromDiffChange(uiSourceCode,callback,thisObj){this._uiSourceCodeDiff(uiSourceCode).removeEventListener(WorkspaceDiff.Events.DiffChanged,callback,thisObj);}
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modifiedUISourceCodes(){return Array.from(this._modifiedUISourceCodes);}
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_uiSourceCodeDiff(uiSourceCode){if(!this._uiSourceCodeDiffs.has(uiSourceCode))
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this._uiSourceCodeDiffs.set(uiSourceCode,new WorkspaceDiff.WorkspaceDiff.UISourceCodeDiff(uiSourceCode));return this._uiSourceCodeDiffs.get(uiSourceCode);}
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_uiSourceCodeChanged(event){const uiSourceCode=(event.data.uiSourceCode);this._updateModifiedState(uiSourceCode);}
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_uiSourceCodeAdded(event){const uiSourceCode=(event.data);this._updateModifiedState(uiSourceCode);}
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_uiSourceCodeRemoved(event){const uiSourceCode=(event.data);this._removeUISourceCode(uiSourceCode);}
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_projectRemoved(event){const project=(event.data);for(const uiSourceCode of project.uiSourceCodes())
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this._removeUISourceCode(uiSourceCode);}
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_removeUISourceCode(uiSourceCode){this._loadingUISourceCodes.delete(uiSourceCode);const uiSourceCodeDiff=this._uiSourceCodeDiffs.get(uiSourceCode);if(uiSourceCodeDiff)
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uiSourceCodeDiff._dispose=true;this._markAsUnmodified(uiSourceCode);}
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_markAsUnmodified(uiSourceCode){this._uiSourceCodeProcessedForTest();if(this._modifiedUISourceCodes.delete(uiSourceCode))
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this.dispatchEventToListeners(WorkspaceDiff.Events.ModifiedStatusChanged,{uiSourceCode,isModified:false});}
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_markAsModified(uiSourceCode){this._uiSourceCodeProcessedForTest();if(this._modifiedUISourceCodes.has(uiSourceCode))
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return;this._modifiedUISourceCodes.add(uiSourceCode);this.dispatchEventToListeners(WorkspaceDiff.Events.ModifiedStatusChanged,{uiSourceCode,isModified:true});}
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_uiSourceCodeProcessedForTest(){}
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async _updateModifiedState(uiSourceCode){this._loadingUISourceCodes.delete(uiSourceCode);if(uiSourceCode.project().type()!==Workspace.projectTypes.Network){this._markAsUnmodified(uiSourceCode);return;}
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if(uiSourceCode.isDirty()){this._markAsModified(uiSourceCode);return;}
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if(!uiSourceCode.hasCommits()){this._markAsUnmodified(uiSourceCode);return;}
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const contentsPromise=Promise.all([this.requestOriginalContentForUISourceCode(uiSourceCode),uiSourceCode.requestContent()]);this._loadingUISourceCodes.set(uiSourceCode,contentsPromise);const contents=await contentsPromise;if(this._loadingUISourceCodes.get(uiSourceCode)!==contentsPromise)
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return;this._loadingUISourceCodes.delete(uiSourceCode);if(contents[0]!==null&&contents[1]!==null&&contents[0]!==contents[1])
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this._markAsModified(uiSourceCode);else
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this._markAsUnmodified(uiSourceCode);}
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requestOriginalContentForUISourceCode(uiSourceCode){return this._uiSourceCodeDiff(uiSourceCode)._originalContent();}
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revertToOriginal(uiSourceCode){function callback(content){if(typeof content!=='string')
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return;uiSourceCode.addRevision(content);}
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Host.userMetrics.actionTaken(Host.UserMetrics.Action.RevisionApplied);return this.requestOriginalContentForUISourceCode(uiSourceCode).then(callback);}};WorkspaceDiff.WorkspaceDiff.UISourceCodeDiff=class extends Common.Object{constructor(uiSourceCode){super();this._uiSourceCode=uiSourceCode;uiSourceCode.addEventListener(Workspace.UISourceCode.Events.WorkingCopyChanged,this._uiSourceCodeChanged,this);uiSourceCode.addEventListener(Workspace.UISourceCode.Events.WorkingCopyCommitted,this._uiSourceCodeChanged,this);this._requestDiffPromise=null;this._pendingChanges=null;this._dispose=false;}
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_uiSourceCodeChanged(){if(this._pendingChanges){clearTimeout(this._pendingChanges);this._pendingChanges=null;}
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this._requestDiffPromise=null;const content=this._uiSourceCode.content();const delay=(!content||content.length<65536)?0:WorkspaceDiff.WorkspaceDiff.UpdateTimeout;this._pendingChanges=setTimeout(emitDiffChanged.bind(this),delay);function emitDiffChanged(){if(this._dispose)
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return;this.dispatchEventToListeners(WorkspaceDiff.Events.DiffChanged);this._pendingChanges=null;}}
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requestDiff(){if(!this._requestDiffPromise)
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this._requestDiffPromise=this._innerRequestDiff();return this._requestDiffPromise;}
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_originalContent(){const originalNetworkContent=Persistence.networkPersistenceManager.originalContentForUISourceCode(this._uiSourceCode);if(originalNetworkContent)
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return originalNetworkContent;let callback;const promise=new Promise(fulfill=>callback=fulfill);this._uiSourceCode.project().requestFileContent(this._uiSourceCode,callback);return promise;}
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async _innerRequestDiff(){if(this._dispose)
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return null;const baseline=await this._originalContent();if(baseline.length>1024*1024)
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return null;if(this._dispose)
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return null;let current=this._uiSourceCode.workingCopy();if(!current&&!this._uiSourceCode.contentLoaded())
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current=await this._uiSourceCode.requestContent();if(current.length>1024*1024)
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return null;if(this._dispose)
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return null;if(current===null||baseline===null)
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return null;return Diff.Diff.lineDiff(baseline.split(/\r\n|\n|\r/),current.split(/\r\n|\n|\r/));}};WorkspaceDiff.Events={DiffChanged:Symbol('DiffChanged'),ModifiedStatusChanged:Symbol('ModifiedStatusChanged')};WorkspaceDiff.workspaceDiff=function(){if(!WorkspaceDiff.WorkspaceDiff._instance)
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WorkspaceDiff.WorkspaceDiff._instance=new WorkspaceDiff.WorkspaceDiff(Workspace.workspace);return WorkspaceDiff.WorkspaceDiff._instance;};WorkspaceDiff.WorkspaceDiff.UpdateTimeout=200;;
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