third_party/WebKit/Source/devtools/front_end/sources/ThreadsSidebarPane.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /**
   6  * @constructor
   7  * @extends {WebInspector.SidebarPane}
   8  * @implements {WebInspector.TargetManager.Observer}
   9  */
  10 WebInspector.ThreadsSidebarPane = function()
  11 {
  12     WebInspector.SidebarPane.call(this, WebInspector.UIString("Threads"));
  13     this.setVisible(false);
  14
  15     /** @type {!Map.<!WebInspector.DebuggerModel, !WebInspector.UIList.Item>} */
  16     this._debuggerModelToListItems = new Map();
  17     /** @type {!Map.<!WebInspector.UIList.Item, !WebInspector.Target>} */
  18     this._listItemsToTargets = new Map();
  19     /** @type {?WebInspector.UIList.Item} */
  20     this._selectedListItem = null;
  21     this.threadList = new WebInspector.UIList();
  22     this.threadList.show(this.element);
  23     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerPaused, this._onDebuggerStateChanged, this);
  24     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerResumed, this._onDebuggerStateChanged, this);
  25     WebInspector.context.addFlavorChangeListener(WebInspector.Target, this._targetChanged, this);
  26     WebInspector.targetManager.observeTargets(this);
  27 }
  28
  29 WebInspector.ThreadsSidebarPane.prototype = {
  30     /**
  31      * @override
  32      * @param {!WebInspector.Target} target
  33      */
  34     targetAdded: function(target)
  35     {
  36         var debuggerModel = WebInspector.DebuggerModel.fromTarget(target)
  37         if (!debuggerModel) {
  38             this._updateVisibility();
  39             return;
  40         }
  41         var listItem = new WebInspector.UIList.Item(target.name(), "");
  42         listItem.element.addEventListener("click", this._onListItemClick.bind(this, listItem), false);
  43         var currentTarget = WebInspector.context.flavor(WebInspector.Target);
  44         if (currentTarget === target)
  45             this._selectListItem(listItem);
  46
  47         this._debuggerModelToListItems.set(debuggerModel, listItem);
  48         this._listItemsToTargets.set(listItem, target);
  49         this.threadList.addItem(listItem);
  50         this._updateDebuggerState(debuggerModel);
  51         this._updateVisibility();
  52     },
  53
  54     _updateVisibility: function()
  55     {
  56         this._wasVisibleAtLeastOnce = this._wasVisibleAtLeastOnce || this._debuggerModelToListItems.size > 1;
  57         this.setVisible(this._wasVisibleAtLeastOnce);
  58     },
  59
  60     /**
  61      * @override
  62      * @param {!WebInspector.Target} target
  63      */
  64     targetRemoved: function(target)
  65     {
  66         var debuggerModel = WebInspector.DebuggerModel.fromTarget(target)
  67         if (!debuggerModel)
  68             return;
  69         var listItem = this._debuggerModelToListItems.remove(debuggerModel);
  70         if (listItem) {
  71             this._listItemsToTargets.remove(listItem);
  72             this.threadList.removeItem(listItem);
  73         }
  74         this._updateVisibility();
  75     },
  76
  77     /**
  78      * @param {!WebInspector.Event} event
  79      */
  80     _targetChanged: function(event)
  81     {
  82         var newTarget = /** @type {!WebInspector.Target} */(event.data);
  83         var debuggerModel = WebInspector.DebuggerModel.fromTarget(newTarget)
  84         if (!debuggerModel)
  85             return;
  86         var listItem =  /** @type {!WebInspector.UIList.Item} */ (this._debuggerModelToListItems.get(debuggerModel));
  87         this._selectListItem(listItem);
  88     },
  89
  90     /**
  91      * @param {!WebInspector.Event} event
  92      */
  93     _onDebuggerStateChanged: function(event)
  94     {
  95         var debuggerModel = /** @type {!WebInspector.DebuggerModel} */ (event.target);
  96         this._updateDebuggerState(debuggerModel);
  97     },
  98
  99     /**
 100      * @param {!WebInspector.DebuggerModel} debuggerModel
 101      */
 102     _updateDebuggerState: function(debuggerModel)
 103     {
 104         var listItem = this._debuggerModelToListItems.get(debuggerModel);
 105         listItem.setSubtitle(WebInspector.UIString(debuggerModel.isPaused() ? "paused" : ""));
 106     },
 107
 108     /**
 109      * @param {!WebInspector.UIList.Item} listItem
 110      */
 111     _selectListItem: function(listItem)
 112     {
 113         if (listItem === this._selectedListItem)
 114             return;
 115
 116         if (this._selectedListItem)
 117             this._selectedListItem.setSelected(false);
 118
 119         this._selectedListItem = listItem;
 120         listItem.setSelected(true);
 121     },
 122
 123     /**
 124      * @param {!WebInspector.UIList.Item} listItem
 125      */
 126     _onListItemClick: function(listItem)
 127     {
 128         WebInspector.context.setFlavor(WebInspector.Target, this._listItemsToTargets.get(listItem));
 129         listItem.element.scrollIntoViewIfNeeded();
 130     },
 131
 132
 133     __proto__: WebInspector.SidebarPane.prototype
 134 }