room_subscription.hpp

#ifndef SKYWAY_ROOM_INTERFACE_ROOM_SUBSCRIPTION_HPP
#define SKYWAY_ROOM_INTERFACE_ROOM_SUBSCRIPTION_HPP
 
#include "skyway/domain/domain.hpp"
#include "skyway/room/interface/room_member.hpp"
#include "skyway/room/types.hpp"
 
#include "skyway/media/stream/interface/remote/remote_stream.hpp"
 
namespace skyway {
namespace room {
namespace interface {
 
class RoomPublication;
 
class RoomSubscription {
public:
    class EventListener {
    public:
        virtual ~EventListener() = default;
        virtual void OnConnectionStateChanged(const ConnectionState state) {}
 
        virtual void OnStreamAttached(
            std::shared_ptr<media::stream::interface::remote::RemoteStream> stream) {}
    };
    virtual ~RoomSubscription() = default;
    virtual std::string Id() = 0;
    virtual domain::ContentType ContentType() = 0;
    virtual std::shared_ptr<RoomPublication> Publication() = 0;
    virtual std::shared_ptr<RoomMember> Subscriber() = 0;
    virtual SubscriptionState State() = 0;
    virtual std::shared_ptr<media::stream::interface::remote::RemoteStream> Stream() = 0;
    virtual std::optional<std::string> PreferredEncodingId() = 0;
 
    virtual void AddEventListener(EventListener* listener) = 0;
    virtual void RemoveEventListener(EventListener* listener) = 0;
    virtual bool ChangePreferredEncoding(const std::string& id) = 0;
    [[deprecated]] virtual std::optional<WebRTCStats> GetStats() = 0;
};
 
}  // namespace interface
}  // namespace room
}  // namespace skyway
 
#endif /* SKYWAY_ROOM_INTERFACE_ROOM_SUBSCRIPTION_HPP */