/* * Copyright (C) 2012, 2013 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. */ #ifndef InbandTextTrack_h #define InbandTextTrack_h #if ENABLE(VIDEO_TRACK) #include "InbandTextTrackPrivateClient.h" #include "TextTrack.h" #include "TextTrackCueGeneric.h" #include #include namespace WebCore { class InbandTextTrack : public TextTrack, public InbandTextTrackPrivateClient { public: static PassRefPtr create(ScriptExecutionContext*, TextTrackClient*, PassRefPtr); virtual ~InbandTextTrack(); virtual bool isClosedCaptions() const override; virtual bool isSDH() const override; virtual bool containsOnlyForcedSubtitles() const override; virtual bool isMainProgramContent() const override; virtual bool isEasyToRead() const override; virtual void setMode(const AtomicString&) override; size_t inbandTrackIndex(); virtual AtomicString inBandMetadataTrackDispatchType() const override; void setPrivate(PassRefPtr); protected: InbandTextTrack(ScriptExecutionContext*, TextTrackClient*, PassRefPtr); void setModeInternal(const AtomicString&); void updateKindFromPrivate(); RefPtr m_private; private: virtual bool isInband() const override final { return true; } virtual void idChanged(TrackPrivateBase*, const AtomicString&) override; virtual void labelChanged(TrackPrivateBase*, const AtomicString&) override; virtual void languageChanged(TrackPrivateBase*, const AtomicString&) override; virtual void willRemove(TrackPrivateBase*) override; virtual void addDataCue(InbandTextTrackPrivate*, const MediaTime&, const MediaTime&, const void*, unsigned) override { ASSERT_NOT_REACHED(); } #if ENABLE(DATACUE_VALUE) virtual void addDataCue(InbandTextTrackPrivate*, const MediaTime&, const MediaTime&, PassRefPtr, const String&) override { ASSERT_NOT_REACHED(); } virtual void updateDataCue(InbandTextTrackPrivate*, const MediaTime&, const MediaTime&, PassRefPtr) override { ASSERT_NOT_REACHED(); } virtual void removeDataCue(InbandTextTrackPrivate*, const MediaTime&, const MediaTime&, PassRefPtr) override { ASSERT_NOT_REACHED(); } #endif virtual void addGenericCue(InbandTextTrackPrivate*, PassRefPtr) override { ASSERT_NOT_REACHED(); } virtual void updateGenericCue(InbandTextTrackPrivate*, GenericCueData*) override { ASSERT_NOT_REACHED(); } virtual void removeGenericCue(InbandTextTrackPrivate*, GenericCueData*) override { ASSERT_NOT_REACHED(); } virtual void parseWebVTTFileHeader(InbandTextTrackPrivate*, String) override { ASSERT_NOT_REACHED(); } virtual void parseWebVTTCueData(InbandTextTrackPrivate*, const char*, unsigned) override { ASSERT_NOT_REACHED(); } virtual void parseWebVTTCueData(InbandTextTrackPrivate*, const ISOWebVTTCue&) override { ASSERT_NOT_REACHED(); } virtual MediaTime startTimeVariance() const override; }; } // namespace WebCore SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::InbandTextTrack) static bool isType(const WebCore::TextTrack& track) { return track.isInband(); } SPECIALIZE_TYPE_TRAITS_END() #endif // ENABLE(VIDEO_TRACK) #endif // InbandTextTrack_h