chromium/content/browser/media/system_media_controls_notifier.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_MEDIA_SYSTEM_MEDIA_CONTROLS_NOTIFIER_H_
#define CONTENT_BROWSER_MEDIA_SYSTEM_MEDIA_CONTROLS_NOTIFIER_H_

#include <memory>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/sequence_checker.h"
#include "base/timer/timer.h"
#include "build/build_config.h"
#include "components/system_media_controls/system_media_controls.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/media_session/public/mojom/media_controller.mojom.h"

namespace base {
class UnguessableToken;
}
namespace content {

// The SystemMediaControlsNotifier connects to the SystemMediaControls API and
// keeps it informed of the current media playback state and metadata. It
// observes changes to the active Media Session and updates the
// SystemMediaControls accordingly.
class CONTENT_EXPORT SystemMediaControlsNotifier
    : public media_session::mojom::MediaControllerObserver,
      public media_session::mojom::MediaControllerImageObserver { … };

}  // namespace content

#endif  // CONTENT_BROWSER_MEDIA_SYSTEM_MEDIA_CONTROLS_NOTIFIER_H_