blob: e40200a9a7a225ddfd8744d8c93bde6909647009 [file] [log] [blame]
/*
* Copyright (C) 2012-2017 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 "DataCue.h"
#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(GenericCueData& cueData, TextTrackCueGeneric& cue)
{
m_dataToCueMap.add(&cueData, &cue);
m_cueToDataMap.add(&cue, &cueData);
}
TextTrackCueGeneric* GenericTextTrackCueMap::find(GenericCueData& cueData)
{
return m_dataToCueMap.get(&cueData);
}
GenericCueData* GenericTextTrackCueMap::find(TextTrackCue& cue)
{
return m_cueToDataMap.get(&cue);
}
void GenericTextTrackCueMap::remove(GenericCueData& cueData)
{
if (auto cue = m_dataToCueMap.take(&cueData))
m_cueToDataMap.remove(cue);
}
void GenericTextTrackCueMap::remove(TextTrackCue& cue)
{
if (auto data = m_cueToDataMap.take(&cue))
m_dataToCueMap.remove(data);
}
inline InbandGenericTextTrack::InbandGenericTextTrack(ScriptExecutionContext& context, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
: InbandTextTrack(context, client, trackPrivate)
{
}
Ref<InbandGenericTextTrack> InbandGenericTextTrack::create(ScriptExecutionContext& context, TextTrackClient& client, InbandTextTrackPrivate& trackPrivate)
{
return adoptRef(*new InbandGenericTextTrack(context, client, trackPrivate));
}
InbandGenericTextTrack::~InbandGenericTextTrack() = default;
void InbandGenericTextTrack::updateCueFromCueData(TextTrackCueGeneric& cue, GenericCueData& cueData)
{
cue.willChange();
cue.setStartTime(cueData.startTime());
MediaTime endTime = cueData.endTime();
if (endTime.isPositiveInfinite() && mediaElement())
endTime = mediaElement()->durationMediaTime();
cue.setEndTime(endTime);
cue.setText(cueData.content());
cue.setId(cueData.id());
cue.setBaseFontSizeRelativeToVideoHeight(cueData.baseFontSize());
cue.setFontSizeMultiplier(cueData.relativeFontSize());
cue.setFontName(cueData.fontName());
if (cueData.position() > 0)
cue.setPosition(std::round(cueData.position()));
if (cueData.line() > 0)
cue.setLine(std::round(cueData.line()));
if (cueData.size() > 0)
cue.setSize(std::round(cueData.size()));
if (cueData.backgroundColor().isValid())
cue.setBackgroundColor(cueData.backgroundColor().rgb());
if (cueData.foregroundColor().isValid())
cue.setForegroundColor(cueData.foregroundColor().rgb());
if (cueData.highlightColor().isValid())
cue.setHighlightColor(cueData.highlightColor().rgb());
if (cueData.align() == GenericCueData::Start)
cue.setAlign("start"_s);
else if (cueData.align() == GenericCueData::Middle)
cue.setAlign("middle"_s);
else if (cueData.align() == GenericCueData::End)
cue.setAlign("end"_s);
cue.setSnapToLines(false);
cue.didChange();
}
void InbandGenericTextTrack::addGenericCue(GenericCueData& cueData)
{
if (m_cueMap.find(cueData))
return;
auto cue = TextTrackCueGeneric::create(*scriptExecutionContext(), cueData.startTime(), cueData.endTime(), cueData.content());
updateCueFromCueData(cue.get(), cueData);
if (hasCue(cue.ptr(), TextTrackCue::IgnoreDuration)) {
INFO_LOG(LOGIDENTIFIER, "ignoring already added cue: ", cue.get());
return;
}
INFO_LOG(LOGIDENTIFIER, "added cue: ", cue.get());
if (cueData.status() != GenericCueData::Complete)
m_cueMap.add(cueData, cue);
addCue(WTFMove(cue));
}
void InbandGenericTextTrack::updateGenericCue(GenericCueData& cueData)
{
auto cue = makeRefPtr(m_cueMap.find(cueData));
if (!cue)
return;
updateCueFromCueData(*cue, cueData);
if (cueData.status() == GenericCueData::Complete)
m_cueMap.remove(cueData);
}
void InbandGenericTextTrack::removeGenericCue(GenericCueData& cueData)
{
auto cue = makeRefPtr(m_cueMap.find(cueData));
if (cue) {
INFO_LOG(LOGIDENTIFIER, *cue);
removeCue(*cue);
} else
INFO_LOG(LOGIDENTIFIER, "UNABLE to find cue: ", cueData);
}
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 = std::make_unique<WebVTTParser>(static_cast<WebVTTParserClient*>(this), scriptExecutionContext());
return *m_webVTTParser;
}
void InbandGenericTextTrack::parseWebVTTCueData(const ISOWebVTTCue& cueData)
{
parser().parseCueData(cueData);
}
void InbandGenericTextTrack::parseWebVTTFileHeader(String&& header)
{
parser().parseFileHeader(WTFMove(header));
}
void InbandGenericTextTrack::newCuesParsed()
{
Vector<RefPtr<WebVTTCueData>> cues;
parser().getNewCues(cues);
for (auto& cueData : cues) {
auto vttCue = VTTCue::create(*scriptExecutionContext(), *cueData);
if (hasCue(vttCue.ptr(), TextTrackCue::IgnoreDuration)) {
INFO_LOG(LOGIDENTIFIER, "ignoring already added cue: ", vttCue.get());
return;
}
INFO_LOG(LOGIDENTIFIER, vttCue.get());
addCue(WTFMove(vttCue));
}
}
void InbandGenericTextTrack::newRegionsParsed()
{
Vector<RefPtr<VTTRegion>> newRegions;
parser().getNewRegions(newRegions);
for (auto& region : newRegions) {
region->setTrack(this);
regions()->add(region.releaseNonNull());
}
}
void InbandGenericTextTrack::newStyleSheetsParsed()
{
}
void InbandGenericTextTrack::fileFailedToParse()
{
ERROR_LOG(LOGIDENTIFIER);
}
} // namespace WebCore
#endif