1/*
2 * Copyright (C) 2014 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef AudioHardwareListenerMac_h
27#define AudioHardwareListenerMac_h
28
29#include "AudioHardwareListener.h"
30#include <wtf/WeakPtr.h>
31
32#if PLATFORM(MAC)
33
34#include <CoreAudio/AudioHardware.h>
35
36namespace WebCore {
37
38class AudioHardwareListenerMac : public AudioHardwareListener {
39public:
40    static WTF::PassRefPtr<AudioHardwareListenerMac> create(Client&);
41
42private:
43    AudioHardwareListenerMac(Client&);
44    virtual ~AudioHardwareListenerMac();
45
46    void processIsRunningChanged();
47    void outputDeviceChanged();
48
49    void propertyChanged(UInt32, const AudioObjectPropertyAddress[]);
50
51    AudioObjectPropertyListenerBlock m_block;
52    WeakPtrFactory<AudioHardwareListenerMac> m_weakFactory;
53};
54
55}
56
57#endif // PLATFORM(MAC)
58
59#endif // AudioHardwareListenerMac_h
60