blob: ff82d88cf9f09247a42fafd6e6ad92cbe27c0745 [file] [log] [blame]
/*
* Copyright (C) 2012-2020 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.
*/
#include "config.h"
#include "InbandGenericTextTrack.h"
#if ENABLE(VIDEO_TRACK)
#include "HTMLMediaElement.h"
#include "InbandTextTrackPrivate.h"
#include "Logging.h"
#include "VTTRegionList.h"
#include <math.h>
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/CString.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(InbandGenericTextTrack);
void GenericTextTrackCueMap::add(InbandGenericCueIdentifier inbandCueIdentifier, TextTrackCueGeneric& publicCue)
{
m_dataToCueMap.add(inbandCueIdentifier, &publicCue);
m_cueToDataMap.add(&publicCue, inbandCueIdentifier);
}
TextTrackCueGeneric* GenericTextTrackCueMap::find(InbandGenericCueIdentifier inbandCueIdentifier)
{
return m_dataToCueMap.get(inbandCueIdentifier);
}
void GenericTextTrackCueMap::remove(InbandGenericCueIdentifier inbandCueIdentifier)
{
if (auto publicCue = m_dataToCueMap.take(inbandCueIdentifier))
m_cueToDataMap.remove(publicCue.get());
}
void GenericTextTrackCueMap::remove(TextTrackCue& publicCue)
{
if (auto cueIdentifier = m_cueToDataMap.take(&publicCue))
m_dataToCueMap.remove(cueIdentifier);
}
inline InbandGenericTextTrack::InbandGenericTextTrack(Document& document, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
: InbandTextTrack(document, client, trackPrivate)
{
}
Ref<InbandGenericTextTrack> InbandGenericTextTrack::create(Document& document, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
{
return adoptRef(*new InbandGenericTextTrack(document, client, trackPrivate));
}
InbandGenericTextTrack::~InbandGenericTextTrack() = default;
void InbandGenericTextTrack::updateCueFromCueData(TextTrackCueGeneric& cue, InbandGenericCue& inbandCue)
{
cue.willChange();
cue.setStartTime(inbandCue.startTime());
MediaTime endTime = inbandCue.endTime();
if (endTime.isPositiveInfinite() && mediaElement())
endTime = mediaElement()->durationMediaTime();
cue.setEndTime(endTime);
cue.setText(inbandCue.content());
cue.setId(inbandCue.id());
cue.setBaseFontSizeRelativeToVideoHeight(inbandCue.baseFontSize());
cue.setFontSizeMultiplier(inbandCue.relativeFontSize());
cue.setFontName(inbandCue.fontName());
if (inbandCue.position() > 0)
cue.setPosition(std::round(inbandCue.position()));
if (inbandCue.line() > 0)
cue.setLine(std::round(inbandCue.line()));
if (inbandCue.size() > 0)
cue.setSize(std::round(inbandCue.size()));
if (inbandCue.backgroundColor().isValid())
cue.setBackgroundColor(inbandCue.backgroundColor().rgb());
if (inbandCue.foregroundColor().isValid())
cue.setForegroundColor(inbandCue.foregroundColor().rgb());
if (inbandCue.highlightColor().isValid())
cue.setHighlightColor(inbandCue.highlightColor().rgb());
if (inbandCue.align() == GenericCueData::Alignment::Start)
cue.setAlign("start"_s);
else if (inbandCue.align() == GenericCueData::Alignment::Middle)
cue.setAlign("middle"_s);
else if (inbandCue.align() == GenericCueData::Alignment::End)
cue.setAlign("end"_s);
cue.setSnapToLines(false);
cue.didChange();
}
void InbandGenericTextTrack::addGenericCue(InbandGenericCue& inbandCue)
{
if (m_cueMap.find(inbandCue.uniqueId()))
return;
auto cue = TextTrackCueGeneric::create(document(), inbandCue.startTime(), inbandCue.endTime(), inbandCue.content());
updateCueFromCueData(cue.get(), inbandCue);
if (hasCue(cue, TextTrackCue::IgnoreDuration)) {
INFO_LOG(LOGIDENTIFIER, "ignoring already added cue: ", cue.get());
return;
}
INFO_LOG(LOGIDENTIFIER, "added cue: ", cue.get());
if (inbandCue.status() != GenericCueData::Status::Complete)
m_cueMap.add(inbandCue.uniqueId(), cue);
addCue(WTFMove(cue));
}
void InbandGenericTextTrack::updateGenericCue(InbandGenericCue& inbandCue)
{
auto cue = makeRefPtr(m_cueMap.find(inbandCue.uniqueId()));
if (!cue)
return;
updateCueFromCueData(*cue, inbandCue);
if (inbandCue.status() == GenericCueData::Status::Complete)
m_cueMap.remove(inbandCue.uniqueId());
}
void InbandGenericTextTrack::removeGenericCue(InbandGenericCue& inbandCue)
{
auto cue = makeRefPtr(m_cueMap.find(inbandCue.uniqueId()));
if (cue) {
INFO_LOG(LOGIDENTIFIER, *cue);
removeCue(*cue);
} else
INFO_LOG(LOGIDENTIFIER, "UNABLE to find cue: ", inbandCue);
}
ExceptionOr<void> InbandGenericTextTrack::removeCue(TextTrackCue& cue)
{
auto result = TextTrack::removeCue(cue);
if (!result.hasException())
m_cueMap.remove(cue);
return result;
}
WebVTTParser& InbandGenericTextTrack::parser()
{
if (!m_webVTTParser)
m_webVTTParser = makeUnique<WebVTTParser>(static_cast<WebVTTParserClient&>(*this), document());
return *m_webVTTParser;
}
void InbandGenericTextTrack::parseWebVTTCueData(ISOWebVTTCue&& cueData)
{
parser().parseCueData(WTFMove(cueData));
}
void InbandGenericTextTrack::parseWebVTTFileHeader(String&& header)
{
parser().parseFileHeader(WTFMove(header));
}
void InbandGenericTextTrack::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 InbandGenericTextTrack::newRegionsParsed()
{
for (auto& region : parser().takeRegions()) {
region->setTrack(this);
regions()->add(WTFMove(region));
}
}
void InbandGenericTextTrack::newStyleSheetsParsed()
{
}
void InbandGenericTextTrack::fileFailedToParse()
{
ERROR_LOG(LOGIDENTIFIER);
}
} // namespace WebCore
#endif