src/third_party/WebKit/Source/devtools/front_end/main/ScreencastApp.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.App}
   8  * @implements {WebInspector.TargetManager.Observer}
   9  */
  10 WebInspector.ScreencastApp = function()
  11 {
  12     WebInspector.App.call(this);
  13
  14     var lastScreencastState = WebInspector.settings.createSetting("lastScreencastState", "left");
  15     this._currentScreencastState = WebInspector.settings.createSetting("currentScreencastState", "disabled");
  16     this._toggleScreencastButton = new WebInspector.StatusBarStatesSettingButton(
  17         "screencast-status-bar-item",
  18         ["disabled", "left", "top"],
  19         [WebInspector.UIString("Disable screencast."), WebInspector.UIString("Switch to portrait screencast."), WebInspector.UIString("Switch to landscape screencast.")],
  20         this._currentScreencastState.get(),
  21         this._currentScreencastState,
  22         lastScreencastState,
  23         this._onStatusBarButtonStateChanged.bind(this));
  24     WebInspector.targetManager.observeTargets(this);
  25 };
  26
  27 WebInspector.ScreencastApp.prototype = {
  28     presentUI: function()
  29     {
  30         var rootView = new WebInspector.RootView();
  31
  32         this._rootSplitView = new WebInspector.SplitView(false, true, "InspectorView.screencastSplitViewState", 300, 300);
  33         this._rootSplitView.show(rootView.element);
  34         this._rootSplitView.hideMain();
  35
  36         WebInspector.inspectorView.show(this._rootSplitView.sidebarElement());
  37         WebInspector.inspectorView.showInitialPanel();
  38         rootView.attachToBody();
  39     },
  40
  41     /**
  42      * @param {!WebInspector.Target} target
  43      */
  44     targetAdded: function(target)
  45     {
  46         if (this._target)
  47             return;
  48         this._target = target;
  49         if (target.hasCapability(WebInspector.Target.Capabilities.CanScreencast)) {
  50             this._screencastView = new WebInspector.ScreencastView(target);
  51             this._screencastView.show(this._rootSplitView.mainElement());
  52             this._screencastView.initialize();
  53             this._onStatusBarButtonStateChanged(this._currentScreencastState.get());
  54         } else {
  55             this._onStatusBarButtonStateChanged("disabled");
  56             this._toggleScreencastButton.setEnabled(false);
  57         }
  58     },
  59
  60     /**
  61      * @param {!WebInspector.Target} target
  62      */
  63     targetRemoved: function(target)
  64     {
  65         if (this._target === target) {
  66             delete this._target;
  67             if (!this._screencastView)
  68                 return;
  69             this._onStatusBarButtonStateChanged("disabled");
  70             this._toggleScreencastButton.setEnabled(false);
  71             this._screencastView.detach();
  72             delete this._screencastView;
  73         }
  74     },
  75
  76     /**
  77      * @param {string} state
  78      */
  79     _onStatusBarButtonStateChanged: function(state)
  80     {
  81         if (!this._rootSplitView)
  82             return;
  83         if (state === "disabled") {
  84             this._rootSplitView.toggleResizer(this._rootSplitView.resizerElement(), false);
  85             this._rootSplitView.toggleResizer(WebInspector.inspectorView.topResizerElement(), false);
  86             this._rootSplitView.hideMain();
  87             return;
  88         }
  89
  90         this._rootSplitView.setVertical(state === "left");
  91         this._rootSplitView.setSecondIsSidebar(true);
  92         this._rootSplitView.toggleResizer(this._rootSplitView.resizerElement(), true);
  93         this._rootSplitView.toggleResizer(WebInspector.inspectorView.topResizerElement(), state === "top");
  94         this._rootSplitView.showBoth();
  95     },
  96
  97     __proto__: WebInspector.App.prototype
  98 };
  99
 100 /**
 101  * @constructor
 102  * @implements {WebInspector.StatusBarItem.Provider}
 103  */
 104 WebInspector.ScreencastApp.StatusBarButtonProvider = function()
 105 {
 106 }
 107
 108 WebInspector.ScreencastApp.StatusBarButtonProvider.prototype = {
 109     /**
 110      * @return {?WebInspector.StatusBarItem}
 111      */
 112     item: function()
 113     {
 114         if (!(WebInspector.app instanceof WebInspector.ScreencastApp))
 115             return null;
 116         return /** @type {!WebInspector.ScreencastApp} */ (WebInspector.app)._toggleScreencastButton;
 117     }
 118 }