1/* 2 * Copyright (C) 2011, 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#ifndef TextTrackList_h 27#define TextTrackList_h 28 29#if ENABLE(VIDEO_TRACK) 30 31#include "TrackListBase.h" 32 33namespace WebCore { 34 35class TextTrack; 36 37class TextTrackList : public TrackListBase { 38public: 39 static PassRefPtr<TextTrackList> create(HTMLMediaElement* element, ScriptExecutionContext* context) 40 { 41 return adoptRef(new TextTrackList(element, context)); 42 } 43 ~TextTrackList(); 44 45 virtual unsigned length() const OVERRIDE; 46 int getTrackIndex(TextTrack*); 47 int getTrackIndexRelativeToRenderedTracks(TextTrack*); 48 virtual bool contains(TrackBase*) const OVERRIDE; 49 50 TextTrack* item(unsigned index); 51 void append(PassRefPtr<TextTrack>); 52 virtual void remove(TrackBase*) OVERRIDE; 53 54 // EventTarget 55 virtual const AtomicString& interfaceName() const OVERRIDE; 56 57private: 58 TextTrackList(HTMLMediaElement*, ScriptExecutionContext*); 59 60 void invalidateTrackIndexesAfterTrack(TextTrack*); 61 62 Vector<RefPtr<TrackBase> > m_addTrackTracks; 63 Vector<RefPtr<TrackBase> > m_elementTracks; 64}; 65 66} // namespace WebCore 67 68#endif 69#endif 70