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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_ENVIRONMENT_H_
#define REMOTING_HOST_DESKTOP_ENVIRONMENT_H_
#include <string>
#include "base/basictypes.h"
#include "base/callback_forward.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
namespace base {
class SingleThreadTaskRunner;
} // namespace base
namespace media {
class ScreenCapturer;
} // namespace media
namespace remoting {
class AudioCapturer;
class EventExecutor;
// Provides factory methods for creation of audio/video capturers and event
// executor for a given desktop environment.
class DesktopEnvironment {
public:
virtual ~DesktopEnvironment() {}
// Factory methods used to create audio/video capturers and event executor for
// a particular desktop environment.
virtual scoped_ptr<AudioCapturer> CreateAudioCapturer(
scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner) = 0;
virtual scoped_ptr<EventExecutor> CreateEventExecutor(
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) = 0;
virtual scoped_ptr<media::ScreenCapturer> CreateVideoCapturer(
scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner) = 0;
};
// Used to create |DesktopEnvironment| instances.
class DesktopEnvironmentFactory {
public:
virtual ~DesktopEnvironmentFactory() {}
// Creates an instance of |DesktopEnvironment|. |disconnect_callback| may be
// used by the DesktopEnvironment to disconnect the client session.
virtual scoped_ptr<DesktopEnvironment> Create(
const std::string& client_jid,
const base::Closure& disconnect_callback) = 0;
// Returns |true| if created |DesktopEnvironment| instances support audio
// capture.
virtual bool SupportsAudioCapture() const = 0;
};
} // namespace remoting
#endif // REMOTING_HOST_DESKTOP_ENVIRONMENT_H_
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