Embed Flash Fullscreen widget within browser window.

chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_TAB_CONTENTS_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_TAB_CONTENTS_CONTROLLER_H_
 
 #include <Cocoa/Cocoa.h>
 
+#include "base/memory/scoped_ptr.h"
+
+class FullscreenObserver;
+
 namespace content {
 class WebContents;
 }
 
 // A class that controls the WebContents view. It manages displaying the
 // native view for a given WebContents.
 // Note that just creating the class does not display the view. We defer
 // inserting it until the box is the correct size to avoid multiple resize
 // messages to the renderer. You must call |-ensureContentsVisible| to display
 // the render widget host view.
 
 @interface TabContentsController : NSViewController {
  @private
    content::WebContents* contents_;  // weak
+   // When |fullscreenObserver_| not-NULL, TabContentsController monitors for
+   // and auto-embeds fullscreen widgets as a subview.
+   scoped_ptr<FullscreenObserver> fullscreenObserver_;
+   // Set to true while TabContentsController is embedding a fullscreen widget
+   // view as a subview instead of the normal WebContentsView render view.
+   BOOL isEmbeddingFullscreenWidget_;
 }
 @property(readonly, nonatomic) content::WebContents* webContents;
 
-// Create the contents of a tab represented by |contents|.
-- (id)initWithContents:(content::WebContents*)contents;
+// Create the contents of a tab represented by |contents|.  When
+// |enableEmbeddedFullscreen| is true, the WebContents view will automatically
+// be swapped with a fullscreen render widget owned by the current WebContents.
+- (id)initWithContents:(content::WebContents*)contents
+    andAutoEmbedFullscreen:(BOOL)enableEmbeddedFullscreen;
 
 // Call when the tab contents is about to be replaced with the currently
 // selected tab contents to do not trigger unnecessary content relayout.
 - (void)ensureContentsSizeDoesNotChange;
 
 // Call when the tab view is properly sized and the render widget host view
 // should be put into the view hierarchy.
 - (void)ensureContentsVisible;
 
 // Call to change the underlying web contents object. View is not changed,
 // call |-ensureContentsVisible| to display the |newContents|'s render widget
 // host view.
 - (void)changeWebContents:(content::WebContents*)newContents;
 
 // Called when the tab contents is the currently selected tab and is about to be
 // removed from the view hierarchy.
 - (void)willBecomeUnselectedTab;
 
 // Called when the tab contents is about to be put into the view hierarchy as
 // the selected tab. Handles things such as ensuring the toolbar is correctly
 // enabled.
 - (void)willBecomeSelectedTab;
 
 // Called when the tab contents is updated in some non-descript way (the
 // notification from the model isn't specific). |updatedContents| could reflect
 // an entirely new tab contents object.
 - (void)tabDidChange:(content::WebContents*)updatedContents;
 
+// Called to switch the container's subview to the WebContents-owned fullscreen
+// widget or back to WebContentsView's widget.
+- (void)toggleFullscreenWidget:(BOOL)enterFullscreen;
+
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_TAB_CONTENTS_CONTROLLER_H_