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// Copyright (c) 2013 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 CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURE_DEVICE_H_
#define CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURE_DEVICE_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread.h"
#include "content/common/content_export.h"
#include "content/public/browser/desktop_media_id.h"
#include "media/video/capture/video_capture_device.h"
#include "ui/gfx/native_widget_types.h"
namespace base {
class SingleThreadTaskRunner;
class Thread;
} // namespace base
namespace webrtc {
class DesktopCapturer;
} // namespace webrtc
namespace content {
// DesktopCaptureDevice implements VideoCaptureDevice for screens and windows.
// It's essentially an adapter between webrtc::DesktopCapturer and
// VideoCaptureDevice.
class CONTENT_EXPORT DesktopCaptureDevice : public media::VideoCaptureDevice {
public:
// Creates capturer for the specified |source| and then creates
// DesktopCaptureDevice for it. May return NULL in case of a failure (e.g. if
// requested window was destroyed).
static scoped_ptr<media::VideoCaptureDevice> Create(
const DesktopMediaID& source);
~DesktopCaptureDevice() override;
// VideoCaptureDevice interface.
void AllocateAndStart(const media::VideoCaptureParams& params,
scoped_ptr<Client> client) override;
void StopAndDeAllocate() override;
// Set the platform-dependent window id for the notification window.
void SetNotificationWindowId(gfx::NativeViewId window_id);
private:
friend class DesktopCaptureDeviceTest;
class Core;
DesktopCaptureDevice(scoped_ptr<webrtc::DesktopCapturer> desktop_capturer,
DesktopMediaID::Type type);
base::Thread thread_;
scoped_ptr<Core> core_;
DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDevice);
};
} // namespace content
#endif // CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURE_DEVICE_H_
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