Embed Flash Fullscreen widget within browser window.

ui/views/controls/webview/webview.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 UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_
 #define UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
+#include "content/public/browser/web_contents_observer.h"
 #include "ui/views/accessibility/native_view_accessibility.h"
 #include "ui/views/controls/webview/webview_export.h"
 #include "ui/views/view.h"
 
 namespace content {
 class SiteInstance;
 }
 
 namespace views {
 
 class NativeViewHost;
 
 class WEBVIEW_EXPORT WebView : public View,
                                public content::NotificationObserver,
-                               public content::WebContentsDelegate {
+                               public content::WebContentsDelegate,
+                               public content::WebContentsObserver {
  public:
   static const char kViewClassName[];
 
   explicit WebView(content::BrowserContext* browser_context);
   virtual ~WebView();
 
   // This creates a WebContents if none is yet associated with this WebView. The
   // WebView owns this implicitly created WebContents.
   content::WebContents* GetWebContents();
 
   // Creates a WebContents if none is yet assocaited with this WebView, with the
   // specified site instance. The WebView owns this WebContents.
   void CreateWebContentsWithSiteInstance(content::SiteInstance* site_instance);
 
   // WebView does not assume ownership of WebContents set via this method, only
   // those it implicitly creates via GetWebContents() above.
   void SetWebContents(content::WebContents* web_contents);
 
+  // If |mode| is true, WebView will register itself with WebContents as a
+  // WebContentsObserver, monitor for the showing/destruction of fullscreen
+  // render widgets, and alter its child view hierarchy to embed the fullscreen
+  // widget or restore the normal WebContentsView.
+  void SetEmbedFullscreenWidgetMode(bool mode);
+
   content::WebContents* web_contents() { return web_contents_; }
 
   content::BrowserContext* browser_context() { return browser_context_; }
 
   // Loads the initial URL to display in the attached WebContents. Creates the
   // WebContents if none is attached yet. Note that this is intended as a
   // convenience for loading the initial URL, and so URLs are navigated with
   // PAGE_TRANSITION_AUTO_TOPLEVEL, so this is not intended as a general purpose
   // navigation method - use WebContents' API directly.
   void LoadInitialURL(const GURL& url);
@@ skipping 40 matching lines @@
   virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Overridden from content::WebContentsDelegate:
   virtual void WebContentsFocused(content::WebContents* web_contents) OVERRIDE;
+  virtual bool EmbedsFullscreenWidget() const OVERRIDE;
+
+  // Overridden from content::WebContentsObserver:
+  virtual void DidShowFullscreenWidget(int routing_id) OVERRIDE;
+  virtual void DidDestroyFullscreenWidget(int routing_id) OVERRIDE;
+  // Workaround for MSVC++ linker bug/feature that requires
+  // instantiation of the inline IPC::Listener methods in all translation units.
+  virtual void OnChannelConnected(int32 peer_id) OVERRIDE {}
+  virtual void OnChannelError() OVERRIDE {}
 
   void AttachWebContents();
   void DetachWebContents();
-
-  void RenderViewHostChanged(content::RenderViewHost* old_host,
-                             content::RenderViewHost* new_host);
-  void WebContentsDestroyed(content::WebContents* web_contents);
+  void ReattachForFullscreenChange(bool enter_fullscreen);
 
   // Create a regular or test web contents (based on whether we're running
   // in a unit test or not).
   content::WebContents* CreateWebContents(
       content::BrowserContext* browser_context,
       content::SiteInstance* site_instance);
 
   NativeViewHost* wcv_holder_;
   scoped_ptr<content::WebContents> wc_owner_;
   content::WebContents* web_contents_;
+  // When true, WebView observes WebContents and auto-embeds fullscreen widgets
+  // as a child view.
+  bool embed_fullscreen_widget_mode_enabled_;
+  // Set to true while WebView is embedding a fullscreen widget view as a child
+  // view instead of the normal WebContentsView render view.
+  bool is_embedding_fullscreen_widget_;
   content::BrowserContext* browser_context_;
   content::NotificationRegistrar registrar_;
   bool allow_accelerators_;
   gfx::Size preferred_size_;
 
   DISALLOW_COPY_AND_ASSIGN(WebView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_