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_BASIC_DESKTOP_ENVIRONMENT_H_ 6 #define REMOTING_HOST_BASIC_DESKTOP_ENVIRONMENT_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/compiler_specific.h" 12 #include "base/memory/ref_counted.h" 13 #include "base/memory/scoped_ptr.h" 14 #include "remoting/host/desktop_environment.h" 15 16 namespace remoting { 17 18 class GnubbyAuthHandler; 19 20 // Used to create audio/video capturers and event executor that work with 21 // the local console. 22 class BasicDesktopEnvironment : public DesktopEnvironment { 23 public: 24 virtual ~BasicDesktopEnvironment(); 25 26 // DesktopEnvironment implementation. 27 virtual scoped_ptr<AudioCapturer> CreateAudioCapturer() OVERRIDE; 28 virtual scoped_ptr<InputInjector> CreateInputInjector() OVERRIDE; 29 virtual scoped_ptr<ScreenControls> CreateScreenControls() OVERRIDE; 30 virtual scoped_ptr<webrtc::ScreenCapturer> CreateVideoCapturer() OVERRIDE; 31 virtual std::string GetCapabilities() const OVERRIDE; 32 virtual void SetCapabilities(const std::string& capabilities) OVERRIDE; 33 virtual scoped_ptr<GnubbyAuthHandler> CreateGnubbyAuthHandler( 34 protocol::ClientStub* client_stub) OVERRIDE; 35 36 protected: 37 friend class BasicDesktopEnvironmentFactory; 38 39 BasicDesktopEnvironment( 40 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner, 41 scoped_refptr<base::SingleThreadTaskRunner> input_task_runner, 42 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner); 43 caller_task_runner()44 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner() const { 45 return caller_task_runner_; 46 } 47 input_task_runner()48 scoped_refptr<base::SingleThreadTaskRunner> input_task_runner() const { 49 return input_task_runner_; 50 } 51 ui_task_runner()52 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner() const { 53 return ui_task_runner_; 54 } 55 56 private: 57 // Task runner on which methods of DesktopEnvironment interface should be 58 // called. 59 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_; 60 61 // Used to run input-related tasks. 62 scoped_refptr<base::SingleThreadTaskRunner> input_task_runner_; 63 64 // Used to run UI code. 65 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; 66 67 DISALLOW_COPY_AND_ASSIGN(BasicDesktopEnvironment); 68 }; 69 70 // Used to create |BasicDesktopEnvironment| instances. 71 class BasicDesktopEnvironmentFactory : public DesktopEnvironmentFactory { 72 public: 73 BasicDesktopEnvironmentFactory( 74 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner, 75 scoped_refptr<base::SingleThreadTaskRunner> input_task_runner, 76 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner); 77 virtual ~BasicDesktopEnvironmentFactory(); 78 79 // DesktopEnvironmentFactory implementation. 80 virtual bool SupportsAudioCapture() const OVERRIDE; 81 82 protected: caller_task_runner()83 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner() const { 84 return caller_task_runner_; 85 } 86 input_task_runner()87 scoped_refptr<base::SingleThreadTaskRunner> input_task_runner() const { 88 return input_task_runner_; 89 } 90 ui_task_runner()91 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner() const { 92 return ui_task_runner_; 93 } 94 95 private: 96 // Task runner on which methods of DesktopEnvironmentFactory interface should 97 // be called. 98 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_; 99 100 // Used to run input-related tasks. 101 scoped_refptr<base::SingleThreadTaskRunner> input_task_runner_; 102 103 // Used to run UI code. 104 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; 105 106 DISALLOW_COPY_AND_ASSIGN(BasicDesktopEnvironmentFactory); 107 }; 108 109 } // namespace remoting 110 111 #endif // REMOTING_HOST_BASIC_DESKTOP_ENVIRONMENT_H_ 112