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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 scoped_ptr<webrtc::ScreenCapturer> CreateVideoCapturer() OVERRIDE;
     25   virtual std::string GetCapabilities() const OVERRIDE;
     26 
     27  protected:
     28   friend class Me2MeDesktopEnvironmentFactory;
     29   Me2MeDesktopEnvironment(
     30       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     31       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     32       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
     33 
     34   // Initializes security features of the desktop environment (the curtain mode
     35   // and in-session UI).
     36   bool InitializeSecurity(
     37       base::WeakPtr<ClientSessionControl> client_session_control,
     38       bool curtain_enabled);
     39 
     40  private:
     41   // "Curtains" the session making sure it is disconnected from the local
     42   // console.
     43   scoped_ptr<CurtainMode> curtain_;
     44 
     45   // Presents the disconnect window to the local user.
     46   scoped_ptr<HostWindow> disconnect_window_;
     47 
     48   // Notifies the client session about the local mouse movements.
     49   scoped_ptr<LocalInputMonitor> local_input_monitor_;
     50 
     51   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironment);
     52 };
     53 
     54 // Used to create |Me2MeDesktopEnvironment| instances.
     55 class Me2MeDesktopEnvironmentFactory : public BasicDesktopEnvironmentFactory {
     56  public:
     57   Me2MeDesktopEnvironmentFactory(
     58       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     59       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     60       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
     61   virtual ~Me2MeDesktopEnvironmentFactory();
     62 
     63   // DesktopEnvironmentFactory interface.
     64   virtual scoped_ptr<DesktopEnvironment> Create(
     65       base::WeakPtr<ClientSessionControl> client_session_control) OVERRIDE;
     66   virtual void SetEnableCurtaining(bool enable) OVERRIDE;
     67 
     68  protected:
     69   bool curtain_enabled() const { return curtain_enabled_; }
     70 
     71  private:
     72   // True if curtain mode is enabled.
     73   bool curtain_enabled_;
     74 
     75   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironmentFactory);
     76 };
     77 
     78 }  // namespace remoting
     79 
     80 #endif  // REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
     81