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 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 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 "TrackPrivateBase.h" 30 31#if ENABLE(VIDEO_TRACK) 32 33namespace WebCore { 34 35class AudioTrackPrivate; 36 37class AudioTrackPrivateClient : public TrackPrivateBaseClient { 38public: 39 virtual void enabledChanged(AudioTrackPrivate*, bool) = 0; 40}; 41 42class AudioTrackPrivate : public TrackPrivateBase { 43public: 44 static PassRefPtr<AudioTrackPrivate> create() 45 { 46 return adoptRef(new AudioTrackPrivate()); 47 } 48 49 void setClient(AudioTrackPrivateClient* client) { m_client = client; } 50 virtual AudioTrackPrivateClient* client() const override { return m_client; } 51 52 virtual void setEnabled(bool enabled) 53 { 54 if (m_enabled == enabled) 55 return; 56 m_enabled = enabled; 57 if (m_client) 58 m_client->enabledChanged(this, enabled); 59 }; 60 virtual bool enabled() const { return m_enabled; } 61 62 enum Kind { Alternative, Description, Main, MainDesc, Translation, Commentary, None }; 63 virtual Kind kind() const { return None; } 64 65protected: 66 AudioTrackPrivate() 67 : m_client(0) 68 , m_enabled(false) 69 { 70 } 71 72private: 73 AudioTrackPrivateClient* m_client; 74 bool m_enabled; 75}; 76 77} // namespace WebCore 78 79#endif 80#endif 81