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      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     /** @type {!Map.<!WebInspector.Target, !WebInspector.Placard>} */
     14     this._targetsToPlacards = new Map();
     15     /** @type {!Map.<!WebInspector.Placard, !WebInspector.Target>} */
     16     this._placardsToTargets = new Map();
     17     /** @type {?WebInspector.Placard} */
     18     this._selectedPlacard = null;
     19     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerPaused, this._onDebuggerStateChanged, this);
     20     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerResumed, this._onDebuggerStateChanged, this);
     21     WebInspector.context.addFlavorChangeListener(WebInspector.Target, this._targetChanged, this);
     22     WebInspector.targetManager.observeTargets(this);
     23 }
     24 
     25 WebInspector.ThreadsSidebarPane.prototype = {
     26 
     27     /**
     28      * @param {!WebInspector.Target} target
     29      */
     30     targetAdded: function(target)
     31     {
     32         var placard = new WebInspector.Placard(target.name(), "");
     33         placard.element.addEventListener("click", this._onPlacardClick.bind(this, placard), false);
     34         var currentTarget = WebInspector.context.flavor(WebInspector.Target);
     35         if (currentTarget === target)
     36             this._selectPlacard(placard);
     37 
     38         this._targetsToPlacards.set(target, placard);
     39         this._placardsToTargets.set(placard, target);
     40         this.bodyElement.appendChild(placard.element);
     41         this._updateDebuggerState(target);
     42     },
     43 
     44     /**
     45      * @param {!WebInspector.Target} target
     46      */
     47     targetRemoved: function(target)
     48     {
     49         var placard = this._targetsToPlacards.remove(target);
     50         this._placardsToTargets.remove(placard);
     51         this.bodyElement.removeChild(placard.element);
     52     },
     53 
     54     /**
     55      * @param {!WebInspector.Event} event
     56      */
     57     _targetChanged: function(event)
     58     {
     59         var newTarget = /** @type {!WebInspector.Target} */(event.data);
     60         var placard =  /** @type {!WebInspector.Placard} */ (this._targetsToPlacards.get(newTarget));
     61         this._selectPlacard(placard);
     62     },
     63 
     64     /**
     65      * @param {!WebInspector.Event} event
     66      */
     67     _onDebuggerStateChanged: function(event)
     68     {
     69         var debuggerModel = /** @type {!WebInspector.DebuggerModel} */ (event.target);
     70         this._updateDebuggerState(debuggerModel.target());
     71     },
     72 
     73     /**
     74      * @param {!WebInspector.Target} target
     75      */
     76     _updateDebuggerState: function(target)
     77     {
     78         var placard = this._targetsToPlacards.get(target);
     79         placard.subtitle = target.debuggerModel.isPaused() ? WebInspector.UIString("paused") : WebInspector.UIString("");
     80     },
     81 
     82     /**
     83      * @param {!WebInspector.Placard} placard
     84      */
     85     _selectPlacard: function(placard)
     86     {
     87         if (placard === this._selectedPlacard)
     88             return;
     89 
     90         if (this._selectedPlacard)
     91             this._selectedPlacard.selected = false;
     92 
     93         this._selectedPlacard = placard;
     94         placard.selected = true;
     95     },
     96 
     97     /**
     98      * @param {!WebInspector.Placard} placard
     99      */
    100     _onPlacardClick: function(placard)
    101     {
    102         WebInspector.context.setFlavor(WebInspector.Target, this._placardsToTargets.get(placard));
    103         placard.element.scrollIntoViewIfNeeded();
    104     },
    105 
    106 
    107     __proto__: WebInspector.SidebarPane.prototype
    108 }