text: /*
   * Copyright (C) 2011 Google 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 COMPUTER, 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 COMPUTER, 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 LoadableTextTrack_h
  #define LoadableTextTrack_h
  
  #include "core/html/track/TextTrack.h"
  #include "core/loader/TextTrackLoader.h"
  #include "platform/heap/Handle.h"
  #include "wtf/PassRefPtr.h"
  
  namespace blink {
  
  class HTMLTrackElement;
  class LoadableTextTrack;
  
  class LoadableTextTrack final : public TextTrack, private TextTrackLoaderClient {
  public:
      static PassRefPtrWillBeRawPtr<LoadableTextTrack> create(HTMLTrackElement* track)
      {
          return adoptRefWillBeNoop(new LoadableTextTrack(track));
      }
      virtual ~LoadableTextTrack();
  
      void scheduleLoad(const KURL&);
  
      // TextTrack method.
      virtual void setMode(const AtomicString&) override;
  
      size_t trackElementIndex();
      HTMLTrackElement* trackElement() { return m_trackElement; }
  #if !ENABLE(OILPAN)
      void clearTrackElement();
  #endif
  
      virtual bool isDefault() const override { return m_isDefault; }
      virtual void setIsDefault(bool isDefault) override  { m_isDefault = isDefault; }
  
      virtual void trace(Visitor*) override;
  
  private:
      // TextTrackLoaderClient
      virtual void newCuesAvailable(TextTrackLoader*) override;
      virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed) override;
      virtual void newRegionsAvailable(TextTrackLoader*) override;
  
      explicit LoadableTextTrack(HTMLTrackElement*);
  
      void loadTimerFired(Timer<LoadableTextTrack>*);
  
      RawPtrWillBeMember<HTMLTrackElement> m_trackElement;
      Timer<LoadableTextTrack> m_loadTimer;
      OwnPtrWillBeMember<TextTrackLoader> m_loader;
      KURL m_url;
      bool m_isDefault;
  };
  } // namespace blink
  
  #endif
  