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// Copyright (c) 2011 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_ENVIRONMENT_H_
#define REMOTING_HOST_DESKTOP_ENVIRONMENT_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/timer.h"
namespace remoting {
class Capturer;
class ChromotingHost;
class ChromotingHostContext;
class ContinueWindow;
class Curtain;
class DisconnectWindow;
class EventExecutor;
class LocalInputMonitor;
class UIThreadProxy;
class DesktopEnvironment {
public:
static DesktopEnvironment* Create(ChromotingHostContext* context);
// DesktopEnvironment takes ownership of all the objects passed the ctor.
DesktopEnvironment(ChromotingHostContext* context,
Capturer* capturer,
EventExecutor* event_executor,
Curtain* curtain,
DisconnectWindow* disconnect_window,
ContinueWindow* continue_window,
LocalInputMonitor* monitor);
virtual ~DesktopEnvironment();
// Shuts down the object and all its resources synchronously. Must
// be called on the UI thread.
void Shutdown();
void set_host(ChromotingHost* host) { host_ = host; }
Capturer* capturer() const { return capturer_.get(); }
EventExecutor* event_executor() const { return event_executor_.get(); }
Curtain* curtain() const { return curtain_.get(); }
// Called whenever a new client has connected.
void OnConnect(const std::string& username);
// Called when the last client has disconnected.
void OnLastDisconnect();
// Called when the remote connection has been paused/unpaused.
void OnPause(bool pause);
private:
void ProcessOnConnect(const std::string& username);
void ProcessOnLastDisconnect();
void ProcessOnPause(bool pause);
void MonitorLocalInputs(bool enable);
// Show or hide the Disconnect window on the UI thread. If |show| is false,
// hide the window, ignoring the |username| parameter.
void ShowDisconnectWindow(bool show, const std::string& username);
// Show or hide the Continue Sharing window on the UI thread.
void ShowContinueWindow(bool show);
void StartContinueWindowTimer(bool start);
void ContinueWindowTimerFunc();
// The host that owns this DesktopEnvironment.
ChromotingHost* host_;
// Host context used to make sure operations are run on the correct thread.
// This is owned by the ChromotingHost.
ChromotingHostContext* context_;
// Capturer to be used by ScreenRecorder.
scoped_ptr<Capturer> capturer_;
// Executes input events received from the client.
scoped_ptr<EventExecutor> event_executor_;
// Curtain ensures privacy for the remote user.
scoped_ptr<Curtain> curtain_;
// Provide a user interface allowing the host user to close the connection.
scoped_ptr<DisconnectWindow> disconnect_window_;
// Provide a user interface requiring the user to periodically re-confirm
// the connection.
scoped_ptr<ContinueWindow> continue_window_;
// Monitor local inputs to allow remote inputs to be blocked while the local
// user is trying to do something.
scoped_ptr<LocalInputMonitor> local_input_monitor_;
bool is_monitoring_local_inputs_;
// Timer controlling the "continue session" dialog. The timer is started when
// a connection is made or re-confirmed. On expiry, inputs to the host are
// blocked and the dialog is shown.
//
// TODO(sergeyu): It is wrong that we use OneShotTimer on the UI
// thread of the plugin. UI thread runs MessageLoop that is compiled
// as part of chrome, but the timer compiled as part of the
// plugin. This will crash when plugin and chrome are compiled with
// different version of MessageLoop. See crbug.com/90785 .
base::OneShotTimer<DesktopEnvironment> continue_window_timer_;
scoped_refptr<UIThreadProxy> proxy_;
DISALLOW_COPY_AND_ASSIGN(DesktopEnvironment);
};
} // namespace remoting
#endif // REMOTING_HOST_DESKTOP_ENVIRONMENT_H_
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