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/*
* Copyright (C) 2012-2025 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. ``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
* 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(VIDEO)
#include "InbandTextTrackPrivateClient.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
enum class InbandTextTrackPrivateMode : uint8_t {
Disabled,
Hidden,
Showing
};
class InbandTextTrackPrivate : public TrackPrivateBase {
WTF_MAKE_TZONE_ALLOCATED_INLINE(InbandTextTrackPrivate);
public:
enum class CueFormat : uint8_t {
Data,
Generic,
WebVTT,
Unknown
};
static Ref<InbandTextTrackPrivate> create(CueFormat format) { return adoptRef(*new InbandTextTrackPrivate(format)); }
virtual ~InbandTextTrackPrivate() = default;
using Mode = InbandTextTrackPrivateMode;
virtual void setMode(Mode mode) { m_mode = mode; };
virtual InbandTextTrackPrivate::Mode mode() const { return m_mode; }
enum class Kind : uint8_t {
Subtitles,
Captions,
Descriptions,
Chapters,
Metadata,
Forced,
None
};
virtual Kind kind() const { return Kind::Subtitles; }
virtual bool isClosedCaptions() const { return false; }
virtual bool isSDH() const { return false; }
virtual bool containsOnlyForcedSubtitles() const { return false; }
virtual bool isMainProgramContent() const { return true; }
virtual bool isEasyToRead() const { return false; }
virtual bool isDefault() const { return false; }
AtomString label() const override { return emptyAtom(); }
AtomString language() const override { return emptyAtom(); }
std::optional<AtomString> trackUID() const override { return emptyAtom(); }
virtual AtomString inBandMetadataTrackDispatchType() const { return emptyAtom(); }
CueFormat cueFormat() const { return m_format; }
bool operator==(const InbandTextTrackPrivate& track) const
{
return TrackPrivateBase::operator==(track)
&& cueFormat() == track.cueFormat()
&& kind() == track.kind()
&& isClosedCaptions() == track.isClosedCaptions()
&& isSDH() == track.isSDH()
&& containsOnlyForcedSubtitles() == track.containsOnlyForcedSubtitles()
&& isMainProgramContent() == track.isMainProgramContent()
&& isEasyToRead() == track.isEasyToRead()
&& isDefault() == track.isDefault()
&& inBandMetadataTrackDispatchType() == track.inBandMetadataTrackDispatchType();
}
#if !RELEASE_LOG_DISABLED
ASCIILiteral logClassName() const override { return "InbandTextTrackPrivate"_s; }
#endif
Type type() const final { return Type::Text; };
enum class InbandTextTrackType : uint8_t {
BaseTrack,
AVFTrack
};
virtual InbandTextTrackType inbandTextTrackType() const { return InbandTextTrackType::BaseTrack; }
protected:
InbandTextTrackPrivate(CueFormat format)
: m_format(format)
{
}
private:
CueFormat m_format { CueFormat::Unknown };
Mode m_mode { Mode::Disabled };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::InbandTextTrackPrivate)
static bool isType(const WebCore::TrackPrivateBase& track) { return track.type() == WebCore::TrackPrivateBase::Type::Text; }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(VIDEO)
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