1/* 2 * Copyright (C) 2012 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "core/html/track/InbandTextTrack.h" 28 29#include "bindings/v8/ExceptionStatePlaceholder.h" 30#include "core/html/HTMLMediaElement.h" 31#include "core/html/track/vtt/VTTCue.h" 32#include "platform/Logging.h" 33#include "public/platform/WebInbandTextTrack.h" 34#include "public/platform/WebString.h" 35#include <math.h> 36 37using blink::WebInbandTextTrack; 38using blink::WebString; 39 40namespace WebCore { 41 42PassRefPtrWillBeRawPtr<InbandTextTrack> InbandTextTrack::create(Document& document, WebInbandTextTrack* webTrack) 43{ 44 return adoptRefWillBeRefCountedGarbageCollected(new InbandTextTrack(document, webTrack)); 45} 46 47InbandTextTrack::InbandTextTrack(Document& document, WebInbandTextTrack* webTrack) 48 : TextTrack(document, emptyAtom, webTrack->label(), webTrack->language(), webTrack->id(), InBand) 49 , m_webTrack(webTrack) 50{ 51 m_webTrack->setClient(this); 52 53 switch (m_webTrack->kind()) { 54 case WebInbandTextTrack::KindSubtitles: 55 setKind(TextTrack::subtitlesKeyword()); 56 break; 57 case WebInbandTextTrack::KindCaptions: 58 setKind(TextTrack::captionsKeyword()); 59 break; 60 case WebInbandTextTrack::KindDescriptions: 61 setKind(TextTrack::descriptionsKeyword()); 62 break; 63 case WebInbandTextTrack::KindChapters: 64 setKind(TextTrack::chaptersKeyword()); 65 break; 66 case WebInbandTextTrack::KindMetadata: 67 setKind(TextTrack::metadataKeyword()); 68 break; 69 case WebInbandTextTrack::KindNone: 70 default: 71 ASSERT_NOT_REACHED(); 72 break; 73 } 74} 75 76InbandTextTrack::~InbandTextTrack() 77{ 78#if ENABLE(OILPAN) 79 if (m_webTrack) 80 m_webTrack->setClient(0); 81#else 82 // Make sure m_webTrack was cleared by trackRemoved() before destruction. 83 ASSERT(!m_webTrack); 84#endif 85} 86 87size_t InbandTextTrack::inbandTrackIndex() 88{ 89 ASSERT(m_webTrack); 90 return m_webTrack->textTrackIndex(); 91} 92 93void InbandTextTrack::setTrackList(TextTrackList* trackList) 94{ 95 TextTrack::setTrackList(trackList); 96 if (trackList) 97 return; 98 99 ASSERT(m_webTrack); 100 m_webTrack->setClient(0); 101 m_webTrack = 0; 102} 103 104void InbandTextTrack::addWebVTTCue(double start, double end, const WebString& id, const WebString& content, const WebString& settings) 105{ 106 HTMLMediaElement* owner = mediaElement(); 107 ASSERT(owner); 108 RefPtrWillBeRawPtr<VTTCue> cue = VTTCue::create(owner->document(), start, end, content); 109 cue->setId(id); 110 cue->parseSettings(settings); 111 addCue(cue); 112} 113 114} // namespace WebCore 115