| /* |
| * 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 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&, const void*); |
| virtual void setClient(WeakPtr<MediaSessionCoordinatorClient> client) { m_client = client;} |
| |
| protected: |
| explicit MediaSessionCoordinatorPrivate() = default; |
| |
| const Logger* loggerPtr() const { return m_logger.get(); } |
| const void* logIdentifier() const { return m_logIdentifier; } |
| |
| WeakPtr<MediaSessionCoordinatorClient> client() const { return m_client; } |
| |
| private: |
| RefPtr<const Logger> m_logger; |
| const void* m_logIdentifier; |
| WeakPtr<MediaSessionCoordinatorClient> m_client; |
| }; |
| |
| } |
| |
| #endif // ENABLE(MEDIA_SESSION_COORDINATOR) |