Source/WebCore/html/track/InbandWebVTTTextTrack.cpp

/*
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *    notice, this list of conditions and the following disclaimer in the
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"
#include "InbandWebVTTTextTrack.h"

#if ENABLE(VIDEO_TRACK)

#include "InbandTextTrackPrivate.h"
#include "Logging.h"
#include "VTTCue.h"
#include "VTTRegionList.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/CString.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(InbandWebVTTTextTrack);

inline InbandWebVTTTextTrack::InbandWebVTTTextTrack(Document& document, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
    : InbandTextTrack(document, client, trackPrivate)
{
}

Ref<InbandTextTrack> InbandWebVTTTextTrack::create(Document& document, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
{
    return adoptRef(*new InbandWebVTTTextTrack(document, client, trackPrivate));
}

InbandWebVTTTextTrack::~InbandWebVTTTextTrack() = default;

WebVTTParser& InbandWebVTTTextTrack::parser()
{
    if (!m_webVTTParser)
        m_webVTTParser = makeUnique<WebVTTParser>(static_cast<WebVTTParserClient&>(*this), document());
    return *m_webVTTParser;
}

void InbandWebVTTTextTrack::parseWebVTTCueData(const char* data, unsigned length)
{
    parser().parseBytes(data, length);
}

void InbandWebVTTTextTrack::parseWebVTTCueData(ISOWebVTTCue&& cueData)
{
    parser().parseCueData(WTFMove(cueData));
}

void InbandWebVTTTextTrack::newCuesParsed()
{
    for (auto& cueData : parser().takeCues()) {
        auto cue = VTTCue::create(document(), cueData);
        if (hasCue(cue, TextTrackCue::IgnoreDuration)) {
            INFO_LOG(LOGIDENTIFIER, "ignoring already added cue: ", cue.get());
            return;
        }
        INFO_LOG(LOGIDENTIFIER, cue.get());
        addCue(WTFMove(cue));
    }
}
    
void InbandWebVTTTextTrack::newRegionsParsed()
{
    for (auto& region : parser().takeRegions()) {
        region->setTrack(this);
        regions()->add(WTFMove(region));
    }
}

void InbandWebVTTTextTrack::newStyleSheetsParsed()
{
}

void InbandWebVTTTextTrack::fileFailedToParse()
{
    ERROR_LOG(LOGIDENTIFIER, "Error parsing WebVTT stream.");
}

} // namespace WebCore

#endif