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// Copyright (c) 2012 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 REMOTING_HOST_DESKTOP_SESSION_WIN_H_
#define REMOTING_HOST_DESKTOP_SESSION_WIN_H_
#include "base/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/win/scoped_handle.h"
#include "ipc/ipc_platform_file.h"
#include "remoting/host/desktop_session.h"
#include "remoting/host/win/wts_console_observer.h"
#include "remoting/host/worker_process_ipc_delegate.h"
namespace tracked_objects {
class Location;
} // namespace tracked_objects
namespace remoting {
class AutoThreadTaskRunner;
class DaemonProcess;
class SasInjector;
class WorkerProcessLauncher;
class WtsConsoleMonitor;
// DesktopSession implementation which attaches to the host's physical console.
// Receives IPC messages from the desktop process, running in the console
// session, via |WorkerProcessIpcDelegate|, and monitors console session
// attach/detach events via |WtsConsoleObserer|.
// TODO(alexeypa): replace |WtsConsoleObserver| with an interface capable of
// monitoring both the console and RDP connections. See http://crbug.com/137696.
class DesktopSessionWin
: public DesktopSession,
public WorkerProcessIpcDelegate,
public WtsConsoleObserver {
public:
// Passes the owning |daemon_process|, a unique identifier of the desktop
// session |id| and the interface for monitoring console session attach/detach
// events. Both |daemon_process| and |monitor| must outlive |this|.
DesktopSessionWin(
scoped_refptr<AutoThreadTaskRunner> main_task_runner,
scoped_refptr<AutoThreadTaskRunner> io_task_runner,
DaemonProcess* daemon_process,
int id,
WtsConsoleMonitor* monitor);
virtual ~DesktopSessionWin();
// WorkerProcessIpcDelegate implementation.
virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void OnPermanentError() OVERRIDE;
// WtsConsoleObserver implementation.
virtual void OnSessionAttached(uint32 session_id) OVERRIDE;
virtual void OnSessionDetached() OVERRIDE;
private:
// ChromotingDesktopDaemonMsg_DesktopAttached handler.
void OnDesktopSessionAgentAttached(IPC::PlatformFileForTransit desktop_pipe);
// ChromotingDesktopDaemonMsg_InjectSas handler.
void OnInjectSas();
// Restarts the desktop process.
void RestartDesktopProcess(const tracked_objects::Location& location);
// Task runner on which public methods of this class should be called.
scoped_refptr<AutoThreadTaskRunner> main_task_runner_;
// Message loop used by the IPC channel.
scoped_refptr<AutoThreadTaskRunner> io_task_runner_;
// Contains the full path to the desktop binary.
base::FilePath desktop_binary_;
// Handle of the desktop process.
base::win::ScopedHandle desktop_process_;
// Launches and monitors the desktop process.
scoped_ptr<WorkerProcessLauncher> launcher_;
// Pointer used to unsubscribe from session attach and detach events.
WtsConsoleMonitor* monitor_;
scoped_ptr<SasInjector> sas_injector_;
DISALLOW_COPY_AND_ASSIGN(DesktopSessionWin);
};
} // namespace remoting
#endif // REMOTING_HOST_DESKTOP_SESSION_WIN_H_
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