Only allow to lock the mouse when the tab is in fullscreen mode.

content/browser/renderer_host/render_view_host.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
+#include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/process_util.h"
 #include "content/browser/renderer_host/render_widget_host.h"
 #include "content/common/content_export.h"
 #include "content/common/window_container_type.h"
 #include "net/base/load_states.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
@@ skipping 296 matching lines @@
                         const net::LoadStateWithParam& load_state,
                         uint64 upload_position,
                         uint64 upload_size);
 
   bool SuddenTerminationAllowed() const;
   void set_sudden_termination_allowed(bool enabled) {
     sudden_termination_allowed_ = enabled;
   }
 
   // RenderWidgetHost public overrides.
-  virtual void Shutdown();
-  virtual bool IsRenderView() const;
-  virtual bool OnMessageReceived(const IPC::Message& msg);
-  virtual void GotFocus();
-  virtual void LostCapture();
-  virtual void ForwardMouseEvent(const WebKit::WebMouseEvent& mouse_event);
-  virtual void OnMouseActivate();
-  virtual void ForwardKeyboardEvent(const NativeWebKeyboardEvent& key_event);
+  virtual void Shutdown() OVERRIDE;
+  virtual bool IsRenderView() const OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+  virtual void GotFocus() OVERRIDE;
+  virtual void LostCapture() OVERRIDE;
+  virtual void ForwardMouseEvent(
+      const WebKit::WebMouseEvent& mouse_event) OVERRIDE;
+  virtual void OnMouseActivate() OVERRIDE;
+  virtual void ForwardKeyboardEvent(
+      const NativeWebKeyboardEvent& key_event) OVERRIDE;
 
   // Creates a new RenderView with the given route id.
   void CreateNewWindow(int route_id,
                        const ViewHostMsg_CreateWindow_Params& params);
 
   // Creates a new RenderWidget with the given route id.  |popup_type| indicates
   // if this widget is a popup and what kind of popup it is (select, autofill).
   void CreateNewWidget(int route_id, WebKit::WebPopupType popup_type);
 
   // Creates a full screen RenderWidget.
@@ skipping 100 matching lines @@
  protected:
   friend class RenderViewHostObserver;
 
   // Add and remove observers for filtering IPC messages.  Clients must be sure
   // to remove the observer before they go away.
   void AddObserver(RenderViewHostObserver* observer);
   void RemoveObserver(RenderViewHostObserver* observer);
 
   // RenderWidgetHost protected overrides.
   virtual bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
-                                      bool* is_keyboard_shortcut);
-  virtual void UnhandledKeyboardEvent(const NativeWebKeyboardEvent& event);
-  virtual void OnUserGesture();
-  virtual void NotifyRendererUnresponsive();
-  virtual void NotifyRendererResponsive();
-  virtual void OnMsgFocus();
-  virtual void OnMsgBlur();
+                                      bool* is_keyboard_shortcut) OVERRIDE;
+  virtual void UnhandledKeyboardEvent(
+      const NativeWebKeyboardEvent& event) OVERRIDE;
+  virtual void OnUserGesture() OVERRIDE;
+  virtual void NotifyRendererUnresponsive() OVERRIDE;
+  virtual void NotifyRendererResponsive() OVERRIDE;
+  virtual bool CanLockMouse() const OVERRIDE;
+  virtual void OnMsgFocus() OVERRIDE;
+  virtual void OnMsgBlur() OVERRIDE;
 
   // IPC message handlers.
   void OnMsgShowView(int route_id,
                      WindowOpenDisposition disposition,
                      const gfx::Rect& initial_pos,
                      bool user_gesture);
   void OnMsgShowWidget(int route_id, const gfx::Rect& initial_pos);
   void OnMsgShowFullscreenWidget(int route_id);
   void OnMsgRunModal(IPC::Message* reply_msg);
   void OnMsgRenderViewReady();
@@ skipping 147 matching lines @@
   // The termination status of the last render view that terminated.
   base::TerminationStatus render_view_termination_status_;
 
   // A list of observers that filter messages.  Weak references.
   ObserverList<RenderViewHostObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_