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/*
* Copyright (C) 2012-2021 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. ``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 "InbandTextTrack.h"
#include "TextTrackCueGeneric.h"
#include "WebVTTParser.h"
namespace WebCore {
class GenericTextTrackCueMap {
public:
void add(InbandGenericCueIdentifier, TextTrackCueGeneric&);
void remove(TextTrackCue&);
void remove(InbandGenericCueIdentifier);
TextTrackCueGeneric* find(InbandGenericCueIdentifier);
private:
using CueToDataMap = HashMap<TextTrackCue*, InbandGenericCueIdentifier>;
using CueDataToCueMap = HashMap<InbandGenericCueIdentifier, RefPtr<TextTrackCueGeneric>>;
CueToDataMap m_cueToDataMap;
CueDataToCueMap m_dataToCueMap;
};
class InbandGenericTextTrack final : public InbandTextTrack, private WebVTTParserClient {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(InbandGenericTextTrack);
public:
static Ref<InbandGenericTextTrack> create(ScriptExecutionContext&, InbandTextTrackPrivate&);
virtual ~InbandGenericTextTrack();
private:
InbandGenericTextTrack(ScriptExecutionContext&, InbandTextTrackPrivate&);
void addGenericCue(InbandGenericCue&) final;
void updateGenericCue(InbandGenericCue&) final;
void removeGenericCue(InbandGenericCue&) final;
ExceptionOr<void> removeCue(TextTrackCue&) final;
void updateCueFromCueData(TextTrackCueGeneric&, InbandGenericCue&);
RefPtr<TextTrackCue> cueToExtend(TextTrackCue&);
WebVTTParser& parser();
void parseWebVTTCueData(ISOWebVTTCue&&) final;
void parseWebVTTFileHeader(String&&) final;
void newCuesParsed() final;
void newRegionsParsed() final;
void newStyleSheetsParsed() final;
void fileFailedToParse() final;
bool shouldPurgeCuesFromUnbufferedRanges() const final { return true; }
#if !RELEASE_LOG_DISABLED
ASCIILiteral logClassName() const final { return "InbandGenericTextTrack"_s; }
#endif
GenericTextTrackCueMap m_cueMap;
std::unique_ptr<WebVTTParser> m_webVTTParser;
};
} // namespace WebCore
#endif
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