1/* 2 * Copyright (C) 2011 Google 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 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 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 LoadableTextTrack_h 27#define LoadableTextTrack_h 28 29#if ENABLE(VIDEO_TRACK) 30 31#include "TextTrack.h" 32#include "TextTrackLoader.h" 33#include <wtf/Vector.h> 34 35namespace WebCore { 36 37class HTMLTrackElement; 38class LoadableTextTrack; 39 40class LoadableTextTrack : public TextTrack, private TextTrackLoaderClient { 41public: 42 static PassRefPtr<LoadableTextTrack> create(HTMLTrackElement* track, const String& kind, const String& label, const String& language) 43 { 44 return adoptRef(new LoadableTextTrack(track, kind, label, language)); 45 } 46 virtual ~LoadableTextTrack(); 47 48 void scheduleLoad(const URL&); 49 50 virtual void clearClient() override; 51 52 virtual AtomicString id() const override; 53 54 size_t trackElementIndex(); 55 HTMLTrackElement* trackElement() { return m_trackElement; } 56 void setTrackElement(HTMLTrackElement*); 57 virtual Element* element() override; 58 59 virtual bool isDefault() const override { return m_isDefault; } 60 virtual void setIsDefault(bool isDefault) override { m_isDefault = isDefault; } 61 62private: 63 // TextTrackLoaderClient 64 virtual void newCuesAvailable(TextTrackLoader*) override; 65 virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed) override; 66#if ENABLE(WEBVTT_REGIONS) 67 virtual void newRegionsAvailable(TextTrackLoader*); 68#endif 69 70 LoadableTextTrack(HTMLTrackElement*, const String& kind, const String& label, const String& language); 71 72 void loadTimerFired(Timer<LoadableTextTrack>&); 73 74 HTMLTrackElement* m_trackElement; 75 Timer<LoadableTextTrack> m_loadTimer; 76 std::unique_ptr<TextTrackLoader> m_loader; 77 URL m_url; 78 bool m_isDefault; 79}; 80} // namespace WebCore 81 82#endif 83#endif 84