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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.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 }