| /* |
| * 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 |