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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/media/session/media_session_delegate.h" | 5 #include "content/browser/media/session/media_session_delegate.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "content/browser/media/session/audio_focus_manager.h" | 8 #include "content/browser/media/session/audio_focus_manager.h" |
9 #include "media/base/media_switches.h" | 9 #include "media/base/media_switches.h" |
10 | 10 |
11 namespace content { | 11 namespace content { |
12 | 12 |
13 using AudioFocusType = AudioFocusManager::AudioFocusType; | 13 using AudioFocusType = AudioFocusManager::AudioFocusType; |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 // MediaSessionDelegateDefault is the default implementation of | 17 // MediaSessionDelegateDefault is the default implementation of |
18 // MediaSessionDelegate which only handles audio focus between WebContents. | 18 // MediaSessionDelegate which only handles audio focus between WebContents. |
19 class MediaSessionDelegateDefault : public MediaSessionDelegate { | 19 class MediaSessionDelegateDefault : public MediaSessionDelegate { |
20 public: | 20 public: |
21 explicit MediaSessionDelegateDefault(MediaSession* media_session); | 21 explicit MediaSessionDelegateDefault(MediaSession* media_session); |
22 | 22 |
23 // MediaSessionDelegate implementation. | 23 // MediaSessionDelegate implementation. |
24 bool RequestAudioFocus(MediaSession::Type type) override; | 24 bool RequestAudioFocus( |
| 25 AudioFocusManager::AudioFocusType audio_focus_type) override; |
25 void AbandonAudioFocus() override; | 26 void AbandonAudioFocus() override; |
26 | 27 |
27 private: | 28 private: |
28 // Weak pointer because |this| is owned by |media_session_|. | 29 // Weak pointer because |this| is owned by |media_session_|. |
29 MediaSession* media_session_; | 30 MediaSession* media_session_; |
30 }; | 31 }; |
31 | 32 |
32 } // anonymous namespace | 33 } // anonymous namespace |
33 | 34 |
34 MediaSessionDelegateDefault::MediaSessionDelegateDefault( | 35 MediaSessionDelegateDefault::MediaSessionDelegateDefault( |
35 MediaSession* media_session) | 36 MediaSession* media_session) |
36 : media_session_(media_session) { | 37 : media_session_(media_session) { |
37 } | 38 } |
38 | 39 |
39 bool MediaSessionDelegateDefault::RequestAudioFocus(MediaSession::Type type) { | 40 bool MediaSessionDelegateDefault::RequestAudioFocus( |
| 41 AudioFocusManager::AudioFocusType audio_focus_type) { |
40 if (!base::CommandLine::ForCurrentProcess()->HasSwitch( | 42 if (!base::CommandLine::ForCurrentProcess()->HasSwitch( |
41 switches::kEnableDefaultMediaSession)) { | 43 switches::kEnableDefaultMediaSession)) { |
42 return true; | 44 return true; |
43 } | 45 } |
44 | 46 |
45 AudioFocusManager::GetInstance()->RequestAudioFocus( | 47 AudioFocusManager::GetInstance()->RequestAudioFocus(media_session_, |
46 media_session_, type == MediaSession::Type::Content | 48 audio_focus_type); |
47 ? AudioFocusType::Gain | |
48 : AudioFocusType::GainTransientMayDuck); | |
49 return true; | 49 return true; |
50 } | 50 } |
51 | 51 |
52 void MediaSessionDelegateDefault::AbandonAudioFocus() { | 52 void MediaSessionDelegateDefault::AbandonAudioFocus() { |
53 AudioFocusManager::GetInstance()->AbandonAudioFocus(media_session_); | 53 AudioFocusManager::GetInstance()->AbandonAudioFocus(media_session_); |
54 } | 54 } |
55 | 55 |
56 // static | 56 // static |
57 std::unique_ptr<MediaSessionDelegate> MediaSessionDelegate::Create( | 57 std::unique_ptr<MediaSessionDelegate> MediaSessionDelegate::Create( |
58 MediaSession* media_session) { | 58 MediaSession* media_session) { |
59 return std::unique_ptr<MediaSessionDelegate>( | 59 return std::unique_ptr<MediaSessionDelegate>( |
60 new MediaSessionDelegateDefault(media_session)); | 60 new MediaSessionDelegateDefault(media_session)); |
61 } | 61 } |
62 | 62 |
63 } // namespace content | 63 } // namespace content |
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