Home | History | Annotate | Download | only in track 
      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 WebCore {
     35 
     36 class HTMLTrackElement;
     37 class LoadableTextTrack;
     38 
     39 class LoadableTextTrack FINAL : public TextTrack, private TextTrackLoaderClient {
     40 public:
     41     static PassRefPtrWillBeRawPtr<LoadableTextTrack> create(HTMLTrackElement* track)
     42     {
     43         return adoptRefWillBeRefCountedGarbageCollected(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();
     53     HTMLTrackElement* trackElement() { return m_trackElement; }
     54 #if !ENABLE(OILPAN)
     55     void clearTrackElement();
     56 #endif
     57 
     58     virtual bool isDefault() const OVERRIDE { return m_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     LoadableTextTrack(HTMLTrackElement*);
     70 
     71     void loadTimerFired(Timer<LoadableTextTrack>*);
     72 
     73     // FIXME: Oilpan: This should be a strong pointer once Member pointers
     74     // into the Node hierarchy can be used.
     75     RawPtrWillBeWeakMember<HTMLTrackElement> m_trackElement;
     76     Timer<LoadableTextTrack> m_loadTimer;
     77     OwnPtrWillBeMember<TextTrackLoader> m_loader;
     78     KURL m_url;
     79     bool m_isDefault;
     80 };
     81 } // namespace WebCore
     82 
     83 #endif
     84