1/*
2 * libjingle
3 * Copyright 2014, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "talk/app/webrtc/remoteaudiosource.h"
29
30#include <algorithm>
31#include <functional>
32
33#include "webrtc/base/logging.h"
34
35namespace webrtc {
36
37rtc::scoped_refptr<RemoteAudioSource> RemoteAudioSource::Create() {
38  return new rtc::RefCountedObject<RemoteAudioSource>();
39}
40
41RemoteAudioSource::RemoteAudioSource() {
42}
43
44RemoteAudioSource::~RemoteAudioSource() {
45  ASSERT(audio_observers_.empty());
46}
47
48MediaSourceInterface::SourceState RemoteAudioSource::state() const {
49  return MediaSourceInterface::kLive;
50}
51
52void RemoteAudioSource::SetVolume(double volume) {
53  ASSERT(volume >= 0 && volume <= 10);
54  for (AudioObserverList::iterator it = audio_observers_.begin();
55       it != audio_observers_.end(); ++it) {
56    (*it)->OnSetVolume(volume);
57  }
58}
59
60void RemoteAudioSource::RegisterAudioObserver(AudioObserver* observer) {
61  ASSERT(observer != NULL);
62  ASSERT(std::find(audio_observers_.begin(), audio_observers_.end(),
63                   observer) == audio_observers_.end());
64  audio_observers_.push_back(observer);
65}
66
67void RemoteAudioSource::UnregisterAudioObserver(AudioObserver* observer) {
68  ASSERT(observer != NULL);
69  audio_observers_.remove(observer);
70}
71
72}  // namespace webrtc
73