<webview>: Implement fullscreen permission for html5 element.requestFullscreen()

extensions/browser/guest_view/web_view/web_view_guest.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
@@ skipping 80 matching lines @@
                            std::string* error);
 
   // GuestViewBase implementation.
   bool CanRunInDetachedState() const override;
   void CreateWebContents(const base::DictionaryValue& create_params,
                          const WebContentsCreatedCallback& callback) override;
   void DidAttachToEmbedder() override;
   void DidDropLink(const GURL& url) override;
   void DidInitialize(const base::DictionaryValue& create_params) override;
   void DidStopLoading() override;
+  void EmbedderFullscreenToggled(bool entered_fullscreen) override;
   void EmbedderWillBeDestroyed() override;
   const char* GetAPINamespace() const override;
   int GetTaskPrefix() const override;
   void GuestDestroyed() override;
   void GuestReady() override;
   void GuestSizeChangedDueToAutoSize(const gfx::Size& old_size,
                                      const gfx::Size& new_size) override;
   bool IsAutoSizeSupported() const override;
   bool IsDragAndDropEnabled() const override;
   void WillAttachToEmbedder() override;
@@ skipping 46 matching lines @@
                       bool user_gesture,
                       bool* was_blocked) override;
   content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) override;
   void WebContentsCreated(content::WebContents* source_contents,
                           int opener_render_frame_id,
                           const base::string16& frame_name,
                           const GURL& target_url,
                           content::WebContents* new_contents) override;
+  void EnterFullscreenModeForTab(content::WebContents* web_contents,
+                                 const GURL& origin) override;
+  void ExitFullscreenModeForTab(content::WebContents* web_contents) override;
+  bool IsFullscreenForTabOrPending(
+      const content::WebContents* web_contents) const override;
 
   // NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // Returns the current zoom factor.
   double zoom() const { return current_zoom_factor_; }
 
   // Begin or continue a find request.
@@ skipping 66 matching lines @@
   explicit WebViewGuest(content::WebContents* owner_web_contents);
 
   ~WebViewGuest() override;
 
   void AttachWebViewHelpers(content::WebContents* contents);
 
   void OnWebViewNewWindowResponse(int new_window_instance_id,
                                   bool allow,
                                   const std::string& user_input);
 
+  void OnFullscreenPermissionDecided(const GURL& origin,
+                                     bool allowed,
+                                     const std::string& user_input);
+  void SetFullscreenState(bool is_fullscreen);
+
   // WebContentsObserver implementation.
   void DidCommitProvisionalLoadForFrame(
       content::RenderFrameHost* render_frame_host,
       const GURL& url,
       ui::PageTransition transition_type) override;
   void DidFailProvisionalLoad(content::RenderFrameHost* render_frame_host,
                               const GURL& validated_url,
                               int error_code,
                               const base::string16& error_description) override;
   void DidStartProvisionalLoadForFrame(
@@ skipping 99 matching lines @@
   };
 
   using PendingWindowMap = std::map<WebViewGuest*, NewWindowInfo>;
   PendingWindowMap pending_new_windows_;
 
   // Stores the current zoom factor.
   double current_zoom_factor_;
 
   // Determines if this guest accepts pinch-zoom gestures.
   bool allow_scaling_;
+  bool is_guest_fullscreen_;
+  bool is_embedder_fullscreen_;
+  bool last_fullscreen_permission_was_allowed_by_embedder_;
 
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_