Mouse lock and fullscreen exit upon reload.

chrome/browser/ui/fullscreen_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_FULLSCREEN_CONTROLLER_H_
 #define CHROME_BROWSER_UI_FULLSCREEN_CONTROLLER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 40 matching lines @@
   bool IsFullscreenForTabOrPending(
       const content::WebContents* web_contents) const;
 
 #if defined(OS_WIN)
   // Returns whether we are currently in a Metro snap view.
   bool IsInMetroSnapMode();
 #endif
 
   bool IsMouseLockRequested() const;
   bool IsMouseLocked() const;
+  FullscreenExitBubbleType GetFullscreenExitBubbleType() const;
 
   // Requests.
   void RequestToLockMouse(content::WebContents* web_contents,
                           bool user_gesture,
                           bool last_unlocked_by_target);
   void ToggleFullscreenModeForTab(content::WebContents* web_contents,
                                   bool enter_fullscreen);
 #if defined(OS_WIN)
   // API that puts the window into a mode suitable for rendering when Chrome
   // is rendered in a 20% screen-width Metro snap view on Windows 8.
   void SetMetroSnapMode(bool enable);
 #endif
 #if defined(OS_MACOSX)
   void TogglePresentationMode();
 #endif
   void ToggleFullscreenMode();
   // Extension API implementation uses this method to toggle fullscreen mode.
   // The extension's name is displayed in the full screen bubble UI to attribute
   // the cause of the full screen state change.
   void ToggleFullscreenModeWithExtension(const GURL& extension_url);
 
   // Notifications.
   void LostMouseLock();
   void OnTabClosing(content::WebContents* web_contents);
   void OnTabDeactivated(TabContents* contents);
   void OnAcceptFullscreenPermission(const GURL& url,
                                     FullscreenExitBubbleType bubble_type);
   void OnDenyFullscreenPermission(FullscreenExitBubbleType bubble_type);
   void WindowFullscreenStateChanged();
+
+  // User Interaction Handlers. They Return true to block default action.

[yzshen1, 2012/06/18 16:22:05]

nit: Please use lower case for 'interaction' and 'handlers'.

   bool HandleUserPressedEscape();
-
-  FullscreenExitBubbleType GetFullscreenExitBubbleType() const;
+  bool HandleUserPressedReload();

[yzshen1, 2012/06/18 16:22:05]

[I don't know the exact answer, but would like to make sure you have considered
this.]
What about script-triggered reload? Why it should behave differently? Is
Browser::ReloadInternal() only called by explicit user actions?

 
  private:
   friend class base::RefCounted<FullscreenController>;
 
   enum MouseLockState {
     MOUSELOCK_NOT_REQUESTED,
     // The page requests to lock the mouse and the user hasn't responded to the
     // request.
     MOUSELOCK_REQUESTED,
     // Mouse lock has been allowed by the user.
@@ skipping 44 matching lines @@
 
   // TabContents for current tab requesting or currently in mouse lock.
   TabContents* mouse_lock_tab_;
 
   MouseLockState mouse_lock_state_;
 
   DISALLOW_COPY_AND_ASSIGN(FullscreenController);
 };
 
 #endif  // CHROME_BROWSER_UI_FULLSCREEN_CONTROLLER_H_