text: /*
   * Copyright (C) 2016 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.
   */
  
  // FIXME: <https://webkit.org/b/164427> Web Inspector: WorkerTarget's mainResource should be a Resource not a Script
  // When we are guaranteed a Resource and not a Script we can extend ResourceTreeElement.
  
  WI.WorkerTreeElement = class WorkerTreeElement extends WI.ScriptTreeElement
  {
      constructor(target)
      {
          console.assert(target instanceof WI.Target);
          console.assert(target.type === WI.TargetType.Worker || target.type === WI.TargetType.ServiceWorker);
          console.assert(target.mainResource instanceof WI.Script);
  
          let options = {};
          if (target instanceof WI.WorkerTarget)
              options.mainTitle = target.customName;
  
          super(target.mainResource, options);
  
          this._target = target;
          this._target.addEventListener(WI.Target.Event.ResourceAdded, this._resourceAdded, this);
          this._target.addEventListener(WI.Target.Event.ScriptAdded, this._scriptAdded, this);
  
          this._expandedSetting = new WI.Setting("worker-expanded-" + this._target.name.hash, true);
  
          // Scripts are top level.
          this.registerFolderizeSettings("scripts", null, this._target.resourceCollection.resourceCollectionForType(WI.Resource.Type.Script), WI.ResourceTreeElement);
          this.registerFolderizeSettings("extra-scripts", null, this._target.extraScriptCollection, WI.ScriptTreeElement);
  
          // All other resources may be folderized.
          for (let [key, value] of Object.entries(WI.Resource.Type)) {
              if (value === WI.Resource.Type.Script)
                  continue;
              let folderName = WI.Resource.displayNameForType(value, true);
              this.registerFolderizeSettings(key, folderName, this._target.resourceCollection.resourceCollectionForType(value), WI.ResourceTreeElement);
          }
  
          this.updateParentStatus();
  
          if (this._expandedSetting.value)
              this.expand();
      }
  
      // Public
  
      get target() { return this._target; }
  
      // Protected (TreeElement)
  
      onexpand()
      {
          this._expandedSetting.value = true;
      }
  
      oncollapse()
      {
          if (this.hasChildren)
              this._expandedSetting.value = false;
      }
  
      onpopulate()
      {
          if (this.children.length && !this.shouldRefreshChildren)
              return;
  
          this.shouldRefreshChildren = false;
  
          this.removeChildren();
          this.prepareToPopulate();
  
          for (let resource of this._target.resourceCollection)
              this.addChildForRepresentedObject(resource);
  
          for (let script of this._target.extraScriptCollection)
              this.addChildForRepresentedObject(script);
  
          let sourceMaps = this._target.mainResource.sourceMaps;
          for (let sourceMap of sourceMaps) {
              for (let resource of sourceMap.resources)
                  this.addChildForRepresentedObject(resource);
          }
      }
  
      populateContextMenu(contextMenu, event)
      {
          // FIXME: <https://webkit.org/b/164427> Web Inspector: WorkerTarget's mainResource should be a Resource not a Script
          WI.appendContextMenuItemsForSourceCode(contextMenu, this.script.resource ? this.script.resource : this.script);
  
          super.populateContextMenu(contextMenu, event);
      }
  
      // Overrides from SourceCodeTreeElement.
  
      updateSourceMapResources()
      {
          // Handle our own SourceMapResources.
  
          if (!this.treeOutline || !this.treeOutline.includeSourceMapResourceChildren)
              return;
  
          this.updateParentStatus();
  
          if (this._target.mainResource.sourceMaps.length) {
              this.hasChildren = true;
              this.shouldRefreshChildren = true;
          }
      }
  
      onattach()
      {
          // Handle our own SourceMapResources. Skip immediate superclasses.
  
          WI.GeneralTreeElement.prototype.onattach.call(this);
      }
  
      // Overrides from FolderizedTreeElement
  
      compareChildTreeElements(a, b)
      {
          let aIsResource = a instanceof WI.ResourceTreeElement;
          let bIsResource = b instanceof WI.ResourceTreeElement;
  
          if (aIsResource && bIsResource)
              return WI.ResourceTreeElement.compareResourceTreeElements(a, b);
  
          if (!aIsResource && !bIsResource)
              return super.compareChildTreeElements(a, b);
  
          return aIsResource ? 1 : -1;
      }
  
      // Private
  
      _scriptAdded(event)
      {
          let script = event.data.script;
          if (!script.url && !script.sourceURL)
              return;
  
          this.addRepresentedObjectToNewChildQueue(script);
      }
  
      _resourceAdded(event)
      {
          this.addRepresentedObjectToNewChildQueue(event.data.resource);
      }
  };
  