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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_MEDIA_ROUTER_BROWSER_MIRRORING_MEDIA_CONTROLLER_HOST_H_
#define COMPONENTS_MEDIA_ROUTER_BROWSER_MIRRORING_MEDIA_CONTROLLER_HOST_H_
#include "base/observer_list.h"
#include "components/media_router/common/mojom/media_status.mojom.h"
namespace media_router {
// MirroringMediaControllerHost is a per-MediaRoute object which hosts a
// MediaController, and passes to it commands related mirroring-specific media
// controls.
class MirroringMediaControllerHost : public mojom::MediaStatusObserver {
public:
class Observer : public base::CheckedObserver {
public:
// Invoked when a mirroring route's ability to freeze/unfreeze changes, or
// when the freeze state of the route changes.
virtual void OnFreezeInfoChanged() {}
};
// Returns a PendingRemote bound to `this`.
virtual mojo::PendingRemote<media_router::mojom::MediaStatusObserver>
GetMediaStatusObserverPendingRemote() = 0;
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
// Freezing refers to pausing a mirroring stream on a frame.
virtual bool CanFreeze() const = 0;
virtual bool IsFrozen() const = 0;
virtual void Freeze() = 0;
virtual void Unfreeze() = 0;
};
} // namespace media_router
#endif // COMPONENTS_MEDIA_ROUTER_BROWSER_MIRRORING_MEDIA_CONTROLLER_HOST_H_
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