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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(MEDIA_SESSION_COORDINATOR)
#include "Exception.h"
#include "MediaPositionState.h"
#include "MediaSessionCoordinatorState.h"
#include "MediaSessionPlaybackState.h"
#include "MediaSessionReadyState.h"
#include <wtf/MonotonicTime.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class MediaSessionCoordinatorClient;
}
namespace WTF {
template<typename T> struct IsDeprecatedWeakRefSmartPointerException;
template<> struct IsDeprecatedWeakRefSmartPointerException<WebCore::MediaSessionCoordinatorClient> : std::true_type { };
}
namespace WTF {
class Logger;
}
namespace WebCore {
class MediaSessionCoordinatorClient : public CanMakeWeakPtr<MediaSessionCoordinatorClient> {
public:
virtual ~MediaSessionCoordinatorClient() = default;
virtual void seekSessionToTime(double, CompletionHandler<void(bool)>&&) = 0;
virtual void playSession(std::optional<double> atTime, std::optional<MonotonicTime> hostTime, CompletionHandler<void(bool)>&&) = 0;
virtual void pauseSession(CompletionHandler<void(bool)>&&) = 0;
virtual void setSessionTrack(const String&, CompletionHandler<void(bool)>&&) = 0;
virtual void coordinatorStateChanged(WebCore::MediaSessionCoordinatorState) = 0;
};
class MediaSessionCoordinatorPrivate : public RefCounted<MediaSessionCoordinatorPrivate> {
public:
virtual ~MediaSessionCoordinatorPrivate() = default;
virtual String identifier() const = 0;
virtual void join(CompletionHandler<void(std::optional<Exception>&&)>&&) = 0;
virtual void leave() = 0;
virtual void seekTo(double, CompletionHandler<void(std::optional<Exception>&&)>&&) = 0;
virtual void play(CompletionHandler<void(std::optional<Exception>&&)>&&) = 0;
virtual void pause(CompletionHandler<void(std::optional<Exception>&&)>&&) = 0;
virtual void setTrack(const String&, CompletionHandler<void(std::optional<Exception>&&)>&&) = 0;
virtual void positionStateChanged(const std::optional<MediaPositionState>&) = 0;
virtual void readyStateChanged(MediaSessionReadyState) = 0;
virtual void playbackStateChanged(MediaSessionPlaybackState) = 0;
virtual void trackIdentifierChanged(const String&) = 0;
void setLogger(const Logger&, uint64_t);
virtual void setClient(WeakPtr<MediaSessionCoordinatorClient> client) { m_client = client;}
protected:
explicit MediaSessionCoordinatorPrivate() = default;
const Logger* loggerPtr() const { return m_logger.get(); }
uint64_t logIdentifier() const { return m_logIdentifier; }
WeakPtr<MediaSessionCoordinatorClient> client() const { return m_client; }
private:
RefPtr<const Logger> m_logger;
uint64_t m_logIdentifier { 0 };
WeakPtr<MediaSessionCoordinatorClient> m_client;
};
}
#endif // ENABLE(MEDIA_SESSION_COORDINATOR)
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