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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_PROCESS_H_
#define REMOTING_HOST_DESKTOP_PROCESS_H_
#include <stdint.h>
#include <memory>
#include <string>
#include "base/callback_forward.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "ipc/ipc_listener.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "remoting/host/desktop_session_agent.h"
namespace IPC {
class ChannelProxy;
} // namespace IPC
namespace remoting {
class AutoThreadTaskRunner;
class DesktopEnvironmentFactory;
class DesktopSessionAgent;
class DesktopProcess : public DesktopSessionAgent::Delegate,
public IPC::Listener,
public base::SupportsWeakPtr<DesktopProcess> {
public:
DesktopProcess(scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
scoped_refptr<AutoThreadTaskRunner> input_task_runner,
scoped_refptr<AutoThreadTaskRunner> io_task_runner,
mojo::ScopedMessagePipeHandle daemon_channel_handle);
~DesktopProcess() override;
// DesktopSessionAgent::Delegate implementation.
DesktopEnvironmentFactory& desktop_environment_factory() override;
void OnNetworkProcessDisconnected() override;
// IPC::Listener implementation.
bool OnMessageReceived(const IPC::Message& message) override;
void OnChannelConnected(int32_t peer_pid) override;
void OnChannelError() override;
// Injects Secure Attention Sequence.
void InjectSas();
// Locks the workstation for the current session.
void LockWorkStation();
// Creates the desktop agent and required threads and IPC channels. Returns
// true on success.
bool Start(
std::unique_ptr<DesktopEnvironmentFactory> desktop_environment_factory);
private:
// Crashes the process in response to a daemon's request. The daemon passes
// the location of the code that detected the fatal error resulted in this
// request. See the declaration of ChromotingDaemonMsg_Crash message.
void OnCrash(const std::string& function_name,
const std::string& file_name,
const int& line_number);
// Task runner on which public methods of this class should be called.
scoped_refptr<AutoThreadTaskRunner> caller_task_runner_;
// Used to run input-related tasks.
scoped_refptr<AutoThreadTaskRunner> input_task_runner_;
// Used for IPC communication with Daemon process.
scoped_refptr<AutoThreadTaskRunner> io_task_runner_;
// Factory used to create integration components for use by |desktop_agent_|.
std::unique_ptr<DesktopEnvironmentFactory> desktop_environment_factory_;
// Handle for the IPC channel connecting the desktop process with the daemon
// process.
mojo::ScopedMessagePipeHandle daemon_channel_handle_;
// IPC channel connecting the desktop process with the daemon process.
std::unique_ptr<IPC::ChannelProxy> daemon_channel_;
// Provides screen/audio capturing and input injection services for
// the network process.
scoped_refptr<DesktopSessionAgent> desktop_agent_;
DISALLOW_COPY_AND_ASSIGN(DesktopProcess);
};
} // namespace remoting
#endif // REMOTING_HOST_DESKTOP_PROCESS_H_
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