1/* 2 * Copyright (C) 2012, 2013 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#ifndef InbandTextTrack_h 27#define InbandTextTrack_h 28 29#if ENABLE(VIDEO_TRACK) 30 31#include "InbandTextTrackPrivate.h" 32#include "InbandTextTrackPrivateClient.h" 33#include "TextTrack.h" 34#include "TextTrackCueGeneric.h" 35#include <wtf/RefPtr.h> 36 37namespace WebCore { 38 39class Document; 40class InbandTextTrackPrivate; 41class TextTrackCue; 42 43class TextTrackCueMap { 44public: 45 TextTrackCueMap() { } 46 virtual ~TextTrackCueMap() { } 47 48 void add(GenericCueData*, TextTrackCueGeneric*); 49 50 void remove(GenericCueData*); 51 void remove(TextTrackCueGeneric*); 52 53 PassRefPtr<GenericCueData> find(TextTrackCueGeneric*); 54 PassRefPtr<TextTrackCueGeneric> find(GenericCueData*); 55 56private: 57 typedef HashMap<RefPtr<TextTrackCueGeneric>, RefPtr<GenericCueData> > GenericCueToCueDataMap; 58 typedef HashMap<RefPtr<GenericCueData>, RefPtr<TextTrackCueGeneric> > GenericCueDataToCueMap; 59 60 GenericCueToCueDataMap m_cueToDataMap; 61 GenericCueDataToCueMap m_dataToCueMap; 62}; 63 64class InbandTextTrack : public TextTrack, public InbandTextTrackPrivateClient { 65public: 66 static PassRefPtr<InbandTextTrack> create(ScriptExecutionContext*, TextTrackClient*, PassRefPtr<InbandTextTrackPrivate>); 67 virtual ~InbandTextTrack(); 68 69 virtual bool isClosedCaptions() const OVERRIDE; 70 virtual bool isSDH() const OVERRIDE; 71 virtual bool containsOnlyForcedSubtitles() const OVERRIDE; 72 virtual bool isMainProgramContent() const OVERRIDE; 73 virtual bool isEasyToRead() const OVERRIDE; 74 virtual void setMode(const AtomicString&) OVERRIDE; 75 size_t inbandTrackIndex(); 76 77private: 78 InbandTextTrack(ScriptExecutionContext*, TextTrackClient*, PassRefPtr<InbandTextTrackPrivate>); 79 80 virtual void addGenericCue(InbandTextTrackPrivate*, PassRefPtr<GenericCueData>) OVERRIDE; 81 virtual void updateGenericCue(InbandTextTrackPrivate*, GenericCueData*) OVERRIDE; 82 virtual void removeGenericCue(InbandTextTrackPrivate*, GenericCueData*) OVERRIDE; 83 virtual void removeCue(TextTrackCue*, ExceptionCode&) OVERRIDE; 84 virtual void willRemoveTextTrackPrivate(InbandTextTrackPrivate*) OVERRIDE; 85 86 PassRefPtr<TextTrackCueGeneric> createCue(PassRefPtr<GenericCueData>); 87 void updateCueFromCueData(TextTrackCueGeneric*, GenericCueData*); 88 89#if USE(PLATFORM_TEXT_TRACK_MENU) 90 virtual InbandTextTrackPrivate* privateTrack() OVERRIDE { return m_private.get(); } 91#endif 92 93 TextTrackCueMap m_cueMap; 94 RefPtr<InbandTextTrackPrivate> m_private; 95}; 96 97} // namespace WebCore 98 99#endif 100#endif 101