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 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 LoadableTextTrack_h 27 #define LoadableTextTrack_h 28 29 #include "core/html/track/TextTrack.h" 30 #include "core/loader/TextTrackLoader.h" 31 #include "platform/heap/Handle.h" 32 #include "wtf/PassRefPtr.h" 33 34 namespace blink { 35 36 class HTMLTrackElement; 37 class LoadableTextTrack; 38 39 class LoadableTextTrack FINAL : public TextTrack, private TextTrackLoaderClient { 40 public: create(HTMLTrackElement * track)41 static PassRefPtrWillBeRawPtr<LoadableTextTrack> create(HTMLTrackElement* track) 42 { 43 return adoptRefWillBeNoop(new LoadableTextTrack(track)); 44 } 45 virtual ~LoadableTextTrack(); 46 47 void scheduleLoad(const KURL&); 48 49 // TextTrack method. 50 virtual void setMode(const AtomicString&) OVERRIDE; 51 52 size_t trackElementIndex(); trackElement()53 HTMLTrackElement* trackElement() { return m_trackElement; } 54 #if !ENABLE(OILPAN) 55 void clearTrackElement(); 56 #endif 57 isDefault()58 virtual bool isDefault() const OVERRIDE { return m_isDefault; } setIsDefault(bool isDefault)59 virtual void setIsDefault(bool isDefault) OVERRIDE { m_isDefault = isDefault; } 60 61 virtual void trace(Visitor*) OVERRIDE; 62 63 private: 64 // TextTrackLoaderClient 65 virtual void newCuesAvailable(TextTrackLoader*) OVERRIDE; 66 virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed) OVERRIDE; 67 virtual void newRegionsAvailable(TextTrackLoader*) OVERRIDE; 68 69 explicit LoadableTextTrack(HTMLTrackElement*); 70 71 void loadTimerFired(Timer<LoadableTextTrack>*); 72 73 RawPtrWillBeMember<HTMLTrackElement> m_trackElement; 74 Timer<LoadableTextTrack> m_loadTimer; 75 OwnPtrWillBeMember<TextTrackLoader> m_loader; 76 KURL m_url; 77 bool m_isDefault; 78 }; 79 } // namespace blink 80 81 #endif 82