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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_MOJO_VIDEO_CAPTURER_LIST_H_
#define REMOTING_HOST_MOJO_VIDEO_CAPTURER_LIST_H_
#include <map>
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "remoting/host/mojom/desktop_session.mojom.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capture_types.h"
namespace webrtc {
class DesktopVector;
class MouseCursor;
} // namespace webrtc
namespace remoting {
class AutoThreadTaskRunner;
class DesktopEnvironment;
class MojoVideoCapturer;
// This manages a list of MojoVideoCapturer instances, up to one per screen. It
// provides methods for setting properties of all managed capturers. It also
// automatically deletes any capturers whose Mojo endpoints become
// disconnected.
class MojoVideoCapturerList {
public:
MojoVideoCapturerList();
MojoVideoCapturerList(const MojoVideoCapturerList&) = delete;
MojoVideoCapturerList& operator=(const MojoVideoCapturerList&) = delete;
~MojoVideoCapturerList();
// Creates and starts a new video-capturer for a display. Any capturer
// previously created for the screen_id will be deleted. This returns the new
// Mojo endpoints for communicating with the capturer.
mojom::CreateVideoCapturerResultPtr CreateVideoCapturer(
webrtc::ScreenId screen_id,
DesktopEnvironment* environment,
scoped_refptr<AutoThreadTaskRunner> caller_task_runner);
// Returns true if there are no video-capturers in the list.
bool IsEmpty() const;
// Deletes and removes all capturers from the list.
void Clear();
// Sets the mouse-cursor on all capturers. This creates internal copies and
// does not take ownership.
void SetMouseCursor(const webrtc::MouseCursor& cursor);
// Sets the mouse-cursor position on all capturers.
void SetMouseCursorPosition(const webrtc::DesktopVector& position);
// Sets compose-enabled on all capturers.
void SetComposeEnabled(bool enabled);
private:
std::map<webrtc::ScreenId, std::unique_ptr<MojoVideoCapturer>>
video_capturers_;
};
} // namespace remoting
#endif // REMOTING_HOST_MOJO_VIDEO_CAPTURER_LIST_H_
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