blob: 0295b3d1951576ae4e2978a213c483ebe83af4a3 [file] [log] [blame]
// Copyright 2018 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_AURA_WINDOW_VIDEO_CAPTURE_DEVICE_H_
#define CONTENT_BROWSER_MEDIA_CAPTURE_AURA_WINDOW_VIDEO_CAPTURE_DEVICE_H_
#include <memory>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "content/browser/media/capture/frame_sink_video_capture_device.h"
#include "content/common/content_export.h"
#include "content/public/browser/browser_thread.h"
namespace aura {
class Window;
} // namespace aura
namespace content {
struct DesktopMediaID;
// Captures the displayed contents of an aura::Window, producing a stream of
// video frames.
class CONTENT_EXPORT AuraWindowVideoCaptureDevice
: public FrameSinkVideoCaptureDevice,
public base::SupportsWeakPtr<AuraWindowVideoCaptureDevice> {
public:
explicit AuraWindowVideoCaptureDevice(const DesktopMediaID& source_id);
~AuraWindowVideoCaptureDevice() final;
#if defined(OS_CHROMEOS)
protected:
// Overrides FrameSinkVideoCaptureDevice::CreateCapturer() to create a
// LameWindowCapturerChromeOS for window capture where compositor frame sinks
// are not present. See class comments for LameWindowCapturerChromeOS for
// further details.
void CreateCapturer(viz::mojom::FrameSinkVideoCapturerRequest request) final;
#endif
private:
// Monitors the target Window and notifies the base class if it is destroyed.
class WindowTracker;
// A helper that runs on the UI thread to monitor the target aura::Window, and
// post a notification if it is destroyed.
const std::unique_ptr<WindowTracker, BrowserThread::DeleteOnUIThread>
tracker_;
DISALLOW_COPY_AND_ASSIGN(AuraWindowVideoCaptureDevice);
};
} // namespace content
#endif // CONTENT_BROWSER_MEDIA_CAPTURE_AURA_WINDOW_VIDEO_CAPTURE_DEVICE_H_