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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_IPC_DESKTOP_ENVIRONMENT_FACTORY_H_
#define REMOTING_HOST_IPC_DESKTOP_ENVIRONMENT_FACTORY_H_
#include <map>
#include "base/memory/scoped_ptr.h"
#include "remoting/host/desktop_environment_factory.h"
#include "remoting/host/desktop_session_connector.h"
namespace IPC {
class ChannelProxy;
} // namespace IPC
namespace remoting {
class DesktopSessionConnector;
class IpcDesktopEnvironment;
// Used to create IpcDesktopEnvironment objects intergating with the desktop via
// a helper process and talking to that process via IPC.
class IpcDesktopEnvironmentFactory
: public DesktopEnvironmentFactory,
public DesktopSessionConnector {
public:
// Passes a reference to the IPC channel connected to the daemon process and
// relevant task runners. |daemon_channel| must outlive this object.
IpcDesktopEnvironmentFactory(
IPC::ChannelProxy* daemon_channel,
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> network_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
virtual ~IpcDesktopEnvironmentFactory();
virtual scoped_ptr<DesktopEnvironment> Create(ClientSession* client) OVERRIDE;
// DesktopSessionConnector implementation.
virtual void ConnectTerminal(
IpcDesktopEnvironment* desktop_environment) OVERRIDE;
virtual void DisconnectTerminal(
IpcDesktopEnvironment* desktop_environment) OVERRIDE;
virtual void OnDesktopSessionAgentAttached(
int terminal_id,
IPC::PlatformFileForTransit desktop_process,
IPC::PlatformFileForTransit desktop_pipe) OVERRIDE;
virtual void OnTerminalDisconnected(int terminal_id) OVERRIDE;
private:
// IPC channel connected to the daemon process.
IPC::ChannelProxy* daemon_channel_;
// Task runner used to service calls to the DesktopSessionConnector APIs.
scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
// List of DesktopEnvironment instances we've told the daemon process about.
typedef std::map<int, IpcDesktopEnvironment*> ActiveConnectionsList;
ActiveConnectionsList active_connections_;
// Next desktop session ID. IDs are allocated sequentially starting from 0.
// This gives us more than 67 years of unique IDs assuming a new ID is
// allocated every second.
int next_id_;
DISALLOW_COPY_AND_ASSIGN(IpcDesktopEnvironmentFactory);
};
} // namespace remoting
#endif // REMOTING_HOST_IPC_DESKTOP_ENVIRONMENT_FACTORY_H_
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