src/third_party/WebKit/Source/devtools/front_end/sources/ThreadsToolbar.js

   1 /*
   2  * Copyright (C) 2014 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /**
  32  * @constructor
  33  */
  34 WebInspector.ThreadsToolbar = function()
  35 {
  36     this.element = document.createElement("div");
  37     this.element.className = "status-bar scripts-debug-toolbar threads-toolbar hidden";
  38     this._comboBox = new WebInspector.StatusBarComboBox(this._onComboBoxSelectionChange.bind(this));
  39     this.element.appendChild(this._comboBox.element);
  40
  41     this._reset();
  42     if (WebInspector.experimentsSettings.workersInMainWindow.isEnabled()) {
  43         WebInspector.workerManager.addEventListener(WebInspector.WorkerManager.Events.WorkerAdded, this._workerAdded, this);
  44         WebInspector.workerManager.addEventListener(WebInspector.WorkerManager.Events.WorkerRemoved, this._workerRemoved, this);
  45         WebInspector.workerManager.addEventListener(WebInspector.WorkerManager.Events.WorkersCleared, this._workersCleared, this);
  46     }
  47 }
  48
  49 WebInspector.ThreadsToolbar.prototype = {
  50
  51     _reset: function()
  52     {
  53         if (!WebInspector.experimentsSettings.workersInMainWindow.isEnabled())
  54              return;
  55
  56         this._threadIdToOption = {};
  57
  58         var connectedThreads = WebInspector.workerManager.threadsList();
  59         for (var i = 0; i < connectedThreads.length; ++i)  {
  60             var threadId = connectedThreads[i];
  61             this._addOption(threadId, WebInspector.workerManager.threadUrl(threadId));
  62         }
  63
  64         this._alterVisibility();
  65         this._comboBox.select(this._threadIdToOption[WebInspector.workerManager.selectedThreadId()]);
  66     },
  67
  68     /**
  69      * @param {number} workerId
  70      * @param {string} url
  71      */
  72     _addOption: function(workerId, url)
  73     {
  74         var option = this._comboBox.createOption(url, "", String(workerId));
  75         this._threadIdToOption[workerId] = option;
  76     },
  77
  78     /**
  79      * @param {!WebInspector.Event} event
  80      */
  81     _workerAdded: function(event)
  82     {
  83         var data = /** @type {{workerId: number, url: string}} */ (event.data);
  84         this._addOption(data.workerId, data.url);
  85         this._alterVisibility();
  86     },
  87
  88     /**
  89      * @param {!WebInspector.Event} event
  90      */
  91     _workerRemoved: function(event)
  92     {
  93         var data = /** @type {{workerId: number, url: string}} */ (event.data);
  94         this._comboBox.removeOption(this._threadIdToOption[data.workerId]);
  95         delete this._threadIdToOption[data.workerId];
  96         this._alterVisibility();
  97     },
  98
  99     _workersCleared: function()
 100     {
 101         this._comboBox.removeOptions();
 102         this._reset();
 103     },
 104
 105     _onComboBoxSelectionChange: function()
 106     {
 107         var selectedOption = this._comboBox.selectedOption();
 108         if (!selectedOption)
 109             return;
 110
 111         WebInspector.workerManager.setSelectedThreadId(parseInt(selectedOption.value, 10));
 112     },
 113
 114     _alterVisibility: function()
 115     {
 116         var hidden = this._comboBox.size() === 1;
 117         this.element.classList.toggle("hidden", hidden);
 118     }
 119
 120 }