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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 CHROME_BROWSER_ASH_CROSAPI_MEDIA_UI_ASH_H_
#define CHROME_BROWSER_ASH_CROSAPI_MEDIA_UI_ASH_H_
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "base/unguessable_token.h"
#include "chromeos/crosapi/mojom/media_ui.mojom.h"
#include "components/global_media_controls/public/mojom/device_service.mojom.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace crosapi {
class MediaUIAsh : public mojom::MediaUI {
public:
class Observer : public base::CheckedObserver {
public:
// The pointer to `device_service` may be invalidated after this call exits,
// so it should not be stored.
virtual void OnDeviceServiceRegistered(
global_media_controls::mojom::DeviceService* device_service) = 0;
};
MediaUIAsh();
MediaUIAsh(const MediaUIAsh&) = delete;
MediaUIAsh& operator=(const MediaUIAsh&) = delete;
~MediaUIAsh() override;
void BindReceiver(mojo::PendingReceiver<mojom::MediaUI> receiver);
// mojom::MediaUI:
void RegisterDeviceService(
const base::UnguessableToken& id,
mojo::PendingRemote<global_media_controls::mojom::DeviceService>
pending_device_service) override;
// Returns the DeviceService associated with `id`, if it exists.
global_media_controls::mojom::DeviceService* GetDeviceService(
const base::UnguessableToken& id);
const std::map<base::UnguessableToken,
mojo::Remote<global_media_controls::mojom::DeviceService>>&
device_services() const {
return device_services_;
}
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
private:
void RemoveDeviceService(const base::UnguessableToken& id);
mojo::ReceiverSet<mojom::MediaUI> receivers_;
std::map<base::UnguessableToken,
mojo::Remote<global_media_controls::mojom::DeviceService>>
device_services_;
base::ObserverList<Observer> observers_;
};
} // namespace crosapi
#endif // CHROME_BROWSER_ASH_CROSAPI_MEDIA_UI_ASH_H_
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