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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
      6 #define REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
      7 
      8 #include "remoting/host/basic_desktop_environment.h"
      9 
     10 namespace remoting {
     11 
     12 class CurtainMode;
     13 class HostWindow;
     14 class LocalInputMonitor;
     15 
     16 // Same as BasicDesktopEnvironment but supports desktop resizing and X DAMAGE
     17 // notifications on Linux.
     18 class Me2MeDesktopEnvironment : public BasicDesktopEnvironment {
     19  public:
     20   virtual ~Me2MeDesktopEnvironment();
     21 
     22   // DesktopEnvironment interface.
     23   virtual scoped_ptr<ScreenControls> CreateScreenControls() OVERRIDE;
     24   virtual std::string GetCapabilities() const OVERRIDE;
     25   virtual scoped_ptr<GnubbyAuthHandler> CreateGnubbyAuthHandler(
     26       protocol::ClientStub* client_stub) OVERRIDE;
     27 
     28  protected:
     29   friend class Me2MeDesktopEnvironmentFactory;
     30   Me2MeDesktopEnvironment(
     31       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     32       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     33       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
     34 
     35   // Initializes security features of the desktop environment (the curtain mode
     36   // and in-session UI).
     37   bool InitializeSecurity(
     38       base::WeakPtr<ClientSessionControl> client_session_control,
     39       bool curtain_enabled);
     40 
     41   void SetEnableGnubbyAuth(bool gnubby_auth_enabled);
     42 
     43  private:
     44   // "Curtains" the session making sure it is disconnected from the local
     45   // console.
     46   scoped_ptr<CurtainMode> curtain_;
     47 
     48   // Presents the disconnect window to the local user.
     49   scoped_ptr<HostWindow> disconnect_window_;
     50 
     51   // Notifies the client session about the local mouse movements.
     52   scoped_ptr<LocalInputMonitor> local_input_monitor_;
     53 
     54   // True if gnubby auth is enabled.
     55   bool gnubby_auth_enabled_;
     56 
     57   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironment);
     58 };
     59 
     60 // Used to create |Me2MeDesktopEnvironment| instances.
     61 class Me2MeDesktopEnvironmentFactory : public BasicDesktopEnvironmentFactory {
     62  public:
     63   Me2MeDesktopEnvironmentFactory(
     64       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     65       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     66       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
     67   virtual ~Me2MeDesktopEnvironmentFactory();
     68 
     69   // DesktopEnvironmentFactory interface.
     70   virtual scoped_ptr<DesktopEnvironment> Create(
     71       base::WeakPtr<ClientSessionControl> client_session_control) OVERRIDE;
     72   virtual void SetEnableCurtaining(bool enable) OVERRIDE;
     73   virtual void SetEnableGnubbyAuth(bool enable) OVERRIDE;
     74 
     75  protected:
     76   bool curtain_enabled() const { return curtain_enabled_; }
     77 
     78  private:
     79   // True if curtain mode is enabled.
     80   bool curtain_enabled_;
     81 
     82   // True if gnubby auth is enabled.
     83   bool gnubby_auth_enabled_;
     84 
     85   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironmentFactory);
     86 };
     87 
     88 }  // namespace remoting
     89 
     90 #endif  // REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
     91