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 AudioTrackPrivate_h 27#define AudioTrackPrivate_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#if ENABLE(VIDEO_TRACK) 35 36namespace WebCore { 37 38class AudioTrackPrivate; 39 40class AudioTrackPrivateClient { 41public: 42 virtual ~AudioTrackPrivateClient() { } 43 virtual void willRemoveAudioTrackPrivate(AudioTrackPrivate*) = 0; 44}; 45 46class AudioTrackPrivate : public RefCounted<AudioTrackPrivate> { 47 WTF_MAKE_NONCOPYABLE(AudioTrackPrivate); WTF_MAKE_FAST_ALLOCATED; 48public: 49 static PassRefPtr<AudioTrackPrivate> create() 50 { 51 return adoptRef(new AudioTrackPrivate()); 52 } 53 virtual ~AudioTrackPrivate() { } 54 55 void setClient(AudioTrackPrivateClient* client) { m_client = client; } 56 AudioTrackPrivateClient* client() { return m_client; } 57 58 virtual void setEnabled(bool enabled) { m_enabled = enabled; }; 59 virtual bool enabled() const { return m_enabled; } 60 61 enum Kind { Alternative, Description, Main, MainDesc, Translation, Commentary, None }; 62 virtual Kind kind() const { return None; } 63 64 virtual AtomicString id() const { return emptyAtom; } 65 virtual AtomicString label() const { return emptyAtom; } 66 virtual AtomicString language() const { return emptyAtom; } 67 68 virtual int audioTrackIndex() const { return 0; } 69 70 void willBeRemoved() 71 { 72 if (m_client) 73 m_client->willRemoveAudioTrackPrivate(this); 74 } 75 76protected: 77 AudioTrackPrivate() 78 : m_enabled(false) 79 { 80 } 81 82private: 83 AudioTrackPrivateClient* m_client; 84 bool m_enabled; 85}; 86 87} // namespace WebCore 88 89#endif 90#endif 91