96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/*
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* Copyright (C) 2012-2017 Apple Inc. All rights reserved.
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* Copyright (C) 2013 Cable Television Labs, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(VIDEO)
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#include <wtf/LoggerHelper.h>
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#include <wtf/MediaTime.h>
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#include <wtf/ThreadSafeRefCounted.h>
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#include <wtf/text/AtomString.h>
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namespace WebCore {
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class TrackPrivateBaseClient {
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public:
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virtual ~TrackPrivateBaseClient() = default;
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virtual void idChanged(const AtomString&) = 0;
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virtual void labelChanged(const AtomString&) = 0;
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virtual void languageChanged(const AtomString&) = 0;
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virtual void willRemove() = 0;
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};
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class WEBCORE_EXPORT TrackPrivateBase
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: public ThreadSafeRefCounted<TrackPrivateBase, WTF::DestructionThread::Main>
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#if !RELEASE_LOG_DISABLED
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, public LoggerHelper
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#endif
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{
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WTF_MAKE_NONCOPYABLE(TrackPrivateBase);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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virtual ~TrackPrivateBase() = default;
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virtual TrackPrivateBaseClient* client() const = 0;
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virtual AtomString id() const { return emptyAtom(); }
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virtual AtomString label() const { return emptyAtom(); }
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virtual AtomString language() const { return emptyAtom(); }
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virtual int trackIndex() const { return 0; }
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virtual std::optional<uint64_t> trackUID() const;
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virtual std::optional<bool> defaultEnabled() const;
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virtual MediaTime startTimeVariance() const { return MediaTime::zeroTime(); }
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void willBeRemoved()
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{
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if (auto* client = this->client())
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client->willRemove();
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}
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#if !RELEASE_LOG_DISABLED
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virtual void setLogger(const Logger&, const void*);
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const Logger& logger() const final { ASSERT(m_logger); return *m_logger.get(); }
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const void* logIdentifier() const final { return m_logIdentifier; }
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WTFLogChannel& logChannel() const final;
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#endif
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protected:
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TrackPrivateBase() = default;
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#if !RELEASE_LOG_DISABLED
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RefPtr<const Logger> m_logger;
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const void* m_logIdentifier;
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#endif
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};
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} // namespace WebCore
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#endif
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