remoting/host/desktop_process.h

   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_DESKTOP_PROCESS_H_
   6 #define REMOTING_HOST_DESKTOP_PROCESS_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback_forward.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "base/memory/weak_ptr.h"
  16 #include "ipc/ipc_listener.h"
  17 #include "remoting/host/desktop_session_agent.h"
  18
  19 namespace IPC {
  20 class ChannelProxy;
  21 }  // namespace IPC
  22
  23 namespace remoting {
  24
  25 class AutoThreadTaskRunner;
  26 class DesktopEnvironment;
  27 class DesktopEnvironmentFactory;
  28 class DesktopSessionAgent;
  29
  30 class DesktopProcess : public DesktopSessionAgent::Delegate,
  31                        public IPC::Listener,
  32                        public base::SupportsWeakPtr<DesktopProcess> {
  33  public:
  34   DesktopProcess(
  35       scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
  36       scoped_refptr<AutoThreadTaskRunner> input_task_runner,
  37       const std::string& daemon_channel_name);
  38   virtual ~DesktopProcess();
  39
  40   // DesktopSessionAgent::Delegate implementation.
  41   virtual DesktopEnvironmentFactory& desktop_environment_factory() OVERRIDE;
  42   virtual void OnNetworkProcessDisconnected() OVERRIDE;
  43
  44   // IPC::Listener implementation.
  45   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  46   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
  47   virtual void OnChannelError() OVERRIDE;
  48
  49   // Injects Secure Attention Sequence.
  50   void InjectSas();
  51
  52   // Creates the desktop agent and required threads and IPC channels. Returns
  53   // true on success.
  54   bool Start(scoped_ptr<DesktopEnvironmentFactory> desktop_environment_factory);
  55
  56  private:
  57   // Crashes the process in response to a daemon's request. The daemon passes
  58   // the location of the code that detected the fatal error resulted in this
  59   // request. See the declaration of ChromotingDaemonMsg_Crash message.
  60   void OnCrash(const std::string& function_name,
  61                const std::string& file_name,
  62                const int& line_number);
  63
  64   // Task runner on which public methods of this class should be called.
  65   scoped_refptr<AutoThreadTaskRunner> caller_task_runner_;
  66
  67   // Used to run input-related tasks.
  68   scoped_refptr<AutoThreadTaskRunner> input_task_runner_;
  69
  70   // Factory used to create integration components for use by |desktop_agent_|.
  71   scoped_ptr<DesktopEnvironmentFactory> desktop_environment_factory_;
  72
  73   // Name of the IPC channel connecting the desktop process with the daemon
  74   // process.
  75   std::string daemon_channel_name_;
  76
  77   // IPC channel connecting the desktop process with the daemon process.
  78   scoped_ptr<IPC::ChannelProxy> daemon_channel_;
  79
  80   // Provides screen/audio capturing and input injection services for
  81   // the network process.
  82   scoped_refptr<DesktopSessionAgent> desktop_agent_;
  83
  84   DISALLOW_COPY_AND_ASSIGN(DesktopProcess);
  85 };
  86
  87 }  // namespace remoting
  88
  89 #endif  // REMOTING_HOST_DESKTOP_PROCESS_H_