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      1 /*
      2  * Copyright (C) 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 InbandTextTrackPrivate_h
     27 #define InbandTextTrackPrivate_h
     28 
     29 #include "wtf/Forward.h"
     30 #include "wtf/Noncopyable.h"
     31 #include "wtf/RefCounted.h"
     32 #include "wtf/text/AtomicString.h"
     33 
     34 namespace WebCore {
     35 
     36 class InbandTextTrackPrivateClient;
     37 
     38 class InbandTextTrackPrivate : public RefCounted<InbandTextTrackPrivate> {
     39     WTF_MAKE_NONCOPYABLE(InbandTextTrackPrivate); WTF_MAKE_FAST_ALLOCATED;
     40 public:
     41     static PassRefPtr<InbandTextTrackPrivate> create()
     42     {
     43         return adoptRef(new InbandTextTrackPrivate());
     44     }
     45     virtual ~InbandTextTrackPrivate() { }
     46 
     47     void setClient(InbandTextTrackPrivateClient* client) { m_client = client; }
     48     InbandTextTrackPrivateClient* client() { return m_client; }
     49 
     50     enum Mode { Disabled, Hidden, Showing };
     51     virtual void setMode(Mode mode) { m_mode = mode; };
     52     virtual InbandTextTrackPrivate::Mode mode() const { return m_mode; }
     53 
     54     enum Kind { Subtitles, Captions, Descriptions, Chapters, Metadata, None };
     55     virtual Kind kind() const { return Subtitles; }
     56     virtual bool isClosedCaptions() const { return false; }
     57     virtual bool containsOnlyForcedSubtitles() const { return false; }
     58     virtual bool isMainProgramContent() const { return true; }
     59     virtual bool isEasyToRead() const { return false; }
     60 
     61     virtual AtomicString label() const { return emptyAtom; }
     62     virtual AtomicString language() const { return emptyAtom; }
     63     virtual bool isDefault() const { return false; }
     64 
     65     virtual int textTrackIndex() const { return 0; }
     66 
     67 protected:
     68     InbandTextTrackPrivate()
     69         : m_client(0)
     70         , m_mode(Disabled)
     71     {
     72     }
     73 
     74 private:
     75     InbandTextTrackPrivateClient* m_client;
     76     Mode m_mode;
     77 };
     78 
     79 } // namespace WebCore
     80 
     81 #endif
     82