InbandWebVTTTextTrack.cpp   [plain text]

/*
 * Copyright (C) 2012, 2014 Apple Inc.  All rights reserved.
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"

#if ENABLE(VIDEO_TRACK)

#include "InbandWebVTTTextTrack.h"

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

namespace WebCore {

Ref<InbandTextTrack> InbandWebVTTTextTrack::create(ScriptExecutionContext* context, TextTrackClient* client, PassRefPtr<InbandTextTrackPrivate> playerPrivate)
{
    return adoptRef(*new InbandWebVTTTextTrack(context, client, playerPrivate));
}

InbandWebVTTTextTrack::InbandWebVTTTextTrack(ScriptExecutionContext* context, TextTrackClient* client, PassRefPtr<InbandTextTrackPrivate> trackPrivate)
    : InbandTextTrack(context, client, trackPrivate)
{
}

InbandWebVTTTextTrack::~InbandWebVTTTextTrack()
{
}

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

void InbandWebVTTTextTrack::parseWebVTTCueData(InbandTextTrackPrivate* trackPrivate, const char* data, unsigned length)
{
    ASSERT_UNUSED(trackPrivate, trackPrivate == m_private);
    parser().parseBytes(data, length);
}

void InbandWebVTTTextTrack::parseWebVTTCueData(InbandTextTrackPrivate* trackPrivate, const ISOWebVTTCue& cueData)
{
    ASSERT_UNUSED(trackPrivate, trackPrivate == m_private);
    parser().parseCueData(cueData);
}

void InbandWebVTTTextTrack::newCuesParsed()
{
    Vector<RefPtr<WebVTTCueData>> cues;
    parser().getNewCues(cues);

    for (auto& cueData : cues) {
        auto vttCue = VTTCue::create(*scriptExecutionContext(), *cueData);

        if (hasCue(vttCue.ptr(), TextTrackCue::IgnoreDuration)) {
            LOG(Media, "InbandWebVTTTextTrack::newCuesParsed ignoring already added cue: start=%.2f, end=%.2f, content=\"%s\"\n", vttCue->startTime(), vttCue->endTime(), vttCue->text().utf8().data());
            return;
        }
        addCue(WTFMove(vttCue), ASSERT_NO_EXCEPTION);
    }
}
    
void InbandWebVTTTextTrack::newRegionsParsed()
{
    Vector<RefPtr<VTTRegion>> newRegions;
    parser().getNewRegions(newRegions);

    for (auto& region : newRegions) {
        region->setTrack(this);
        regions()->add(region);
    }
}
    
void InbandWebVTTTextTrack::fileFailedToParse()
{
    LOG(Media, "Error parsing WebVTT stream.");
}

} // namespace WebCore

#endif