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/*
* Copyright (C) 2024 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_SOURCE_IN_WORKERS)
#include <wtf/Forward.h>
#include <wtf/Function.h>
#include <wtf/Lock.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class MediaSource;
class MediaSource;
class MediaSourcePrivate;
class MediaSourcePrivateClient;
class MediaSourceHandle
: public RefCounted<MediaSourceHandle> {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(MediaSourceHandle);
public:
static Ref<MediaSourceHandle> create(Ref<MediaSourceHandle>&&);
Ref<MediaSourceHandle> detach();
virtual ~MediaSourceHandle();
bool isDetached() const { return m_detached; }
bool canDetach() const;
bool detachable() const { return m_detachable; }
void setHasEverBeenAssignedAsSrcObject();
bool hasEverBeenAssignedAsSrcObject() const;
bool isManaged() const;
using TaskType = Function<void(MediaSource&)>;
void ensureOnDispatcher(TaskType&&, bool forceRun = false) const;
RefPtr<MediaSourcePrivateClient> mediaSourcePrivateClient() const;
RefPtr<MediaSourcePrivate> mediaSourcePrivate() const;
private:
class SharedPrivate;
friend class MediaSource;
using DispatcherType = Function<void(TaskType, bool)>;
static Ref<MediaSourceHandle> create(MediaSource&, DispatcherType&&, bool);
MediaSourceHandle(MediaSource&, DispatcherType&&, bool);
explicit MediaSourceHandle(MediaSourceHandle&);
void mediaSourceDidOpen(MediaSourcePrivate&);
void setDetached(bool value) { m_detached = value; }
const bool m_detachable;
bool m_detached { false };
Ref<SharedPrivate> m_private;
};
using DetachedMediaSourceHandle = MediaSourceHandle;
} // namespace WebCore
#endif // MEDIA_SOURCE_IN_WORKERS
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