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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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/android/media_session.h" | 5 #include "content/browser/media/android/media_session.h" |
6 | 6 |
7 #include "base/android/jni_android.h" | 7 #include "base/android/jni_android.h" |
8 #include "content/browser/media/android/media_session_observer.h" | 8 #include "content/browser/media/android/media_session_observer.h" |
| 9 #include "content/browser/web_contents/web_contents_impl.h" |
| 10 #include "content/public/browser/web_contents.h" |
| 11 #include "content/public/browser/web_contents_delegate.h" |
9 #include "jni/MediaSession_jni.h" | 12 #include "jni/MediaSession_jni.h" |
10 | 13 |
11 namespace content { | 14 namespace content { |
12 | 15 |
13 DEFINE_WEB_CONTENTS_USER_DATA_KEY(MediaSession); | 16 DEFINE_WEB_CONTENTS_USER_DATA_KEY(MediaSession); |
14 | 17 |
15 MediaSession::PlayerIdentifier::PlayerIdentifier(MediaSessionObserver* observer, | 18 MediaSession::PlayerIdentifier::PlayerIdentifier(MediaSessionObserver* observer, |
16 int player_id) | 19 int player_id) |
17 : observer(observer), | 20 : observer(observer), |
18 player_id(player_id) { | 21 player_id(player_id) { |
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72 | 75 |
73 if (audio_focus_state_ != State::Active) | 76 if (audio_focus_state_ != State::Active) |
74 return false; | 77 return false; |
75 | 78 |
76 // The session should be reset if a player is starting while all players are | 79 // The session should be reset if a player is starting while all players are |
77 // suspended. | 80 // suspended. |
78 if (old_audio_focus_state != State::Active) | 81 if (old_audio_focus_state != State::Active) |
79 players_.clear(); | 82 players_.clear(); |
80 | 83 |
81 players_.insert(PlayerIdentifier(observer, player_id)); | 84 players_.insert(PlayerIdentifier(observer, player_id)); |
| 85 UpdateWebContents(); |
82 | 86 |
83 return true; | 87 return true; |
84 } | 88 } |
85 | 89 |
86 void MediaSession::RemovePlayer(MediaSessionObserver* observer, | 90 void MediaSession::RemovePlayer(MediaSessionObserver* observer, |
87 int player_id) { | 91 int player_id) { |
88 auto it = players_.find(PlayerIdentifier(observer, player_id)); | 92 auto it = players_.find(PlayerIdentifier(observer, player_id)); |
89 if (it != players_.end()) | 93 if (it != players_.end()) |
90 players_.erase(it); | 94 players_.erase(it); |
91 | 95 |
92 AbandonSystemAudioFocusIfNeeded(); | 96 AbandonSystemAudioFocusIfNeeded(); |
93 } | 97 } |
94 | 98 |
95 void MediaSession::RemovePlayers(MediaSessionObserver* observer) { | 99 void MediaSession::RemovePlayers(MediaSessionObserver* observer) { |
96 for (auto it = players_.begin(); it != players_.end();) { | 100 for (auto it = players_.begin(); it != players_.end();) { |
97 if (it->observer == observer) | 101 if (it->observer == observer) |
98 players_.erase(it++); | 102 players_.erase(it++); |
99 else | 103 else |
100 ++it; | 104 ++it; |
101 } | 105 } |
102 | 106 |
103 AbandonSystemAudioFocusIfNeeded(); | 107 AbandonSystemAudioFocusIfNeeded(); |
104 } | 108 } |
105 | 109 |
106 void MediaSession::OnSuspend(JNIEnv* env, jobject obj, jboolean temporary) { | 110 void MediaSession::OnSuspend(JNIEnv* env, jobject obj, jboolean temporary) { |
107 OnSuspend(temporary); | 111 OnSuspendInternal(temporary); |
| 112 UpdateWebContents(); |
108 } | 113 } |
109 | 114 |
110 void MediaSession::OnResume(JNIEnv* env, jobject obj) { | 115 void MediaSession::OnResume(JNIEnv* env, jobject obj) { |
111 OnResume(); | 116 OnResumeInternal(); |
| 117 UpdateWebContents(); |
| 118 } |
| 119 |
| 120 void MediaSession::Resume() { |
| 121 DCHECK(IsSuspended()); |
| 122 |
| 123 OnResumeInternal(); |
| 124 } |
| 125 |
| 126 void MediaSession::Suspend() { |
| 127 DCHECK(!IsSuspended()); |
| 128 |
| 129 // Since the playback can be resumed, it's a transient suspension. |
| 130 OnSuspendInternal(true); |
| 131 } |
| 132 |
| 133 bool MediaSession::IsSuspended() const { |
| 134 return audio_focus_state_ != State::Active; |
| 135 } |
| 136 |
| 137 bool MediaSession::IsControllable() const { |
| 138 // Only content type media session can be controllable unless it's stopped. |
| 139 return audio_focus_state_ != State::Suspended && |
| 140 audio_focus_type_ == Type::Content; |
112 } | 141 } |
113 | 142 |
114 void MediaSession::ResetJavaRefForTest() { | 143 void MediaSession::ResetJavaRefForTest() { |
115 j_media_session_.Reset(); | 144 j_media_session_.Reset(); |
116 } | 145 } |
117 | 146 |
118 bool MediaSession::IsActiveForTest() const { | 147 bool MediaSession::IsActiveForTest() const { |
119 return audio_focus_state_ == State::Active; | 148 return audio_focus_state_ == State::Active; |
120 } | 149 } |
121 | 150 |
122 MediaSession::Type MediaSession::audio_focus_type_for_test() const { | 151 MediaSession::Type MediaSession::audio_focus_type_for_test() const { |
123 return audio_focus_type_; | 152 return audio_focus_type_; |
124 } | 153 } |
125 | 154 |
126 void MediaSession::OnSuspend(bool temporary) { | 155 void MediaSession::RemoveAllPlayersForTest() { |
| 156 players_.clear(); |
| 157 AbandonSystemAudioFocusIfNeeded(); |
| 158 } |
| 159 |
| 160 void MediaSession::OnSuspendInternal(bool temporary) { |
127 if (temporary) | 161 if (temporary) |
128 audio_focus_state_ = State::TemporarilySuspended; | 162 audio_focus_state_ = State::TemporarilySuspended; |
129 else | 163 else |
130 audio_focus_state_ = State::Suspended; | 164 audio_focus_state_ = State::Suspended; |
131 | 165 |
132 for (const auto& it : players_) | 166 for (const auto& it : players_) |
133 it.observer->OnSuspend(it.player_id); | 167 it.observer->OnSuspend(it.player_id); |
134 } | 168 } |
135 | 169 |
136 void MediaSession::OnResume() { | 170 void MediaSession::OnResumeInternal() { |
137 audio_focus_state_ = State::Active; | 171 audio_focus_state_ = State::Active; |
138 | 172 |
139 for (const auto& it : players_) | 173 for (const auto& it : players_) |
140 it.observer->OnResume(it.player_id); | 174 it.observer->OnResume(it.player_id); |
141 } | 175 } |
142 | 176 |
143 MediaSession::MediaSession(WebContents* web_contents) | 177 MediaSession::MediaSession(WebContents* web_contents) |
144 : WebContentsObserver(web_contents), | 178 : WebContentsObserver(web_contents), |
145 audio_focus_state_(State::Suspended), | 179 audio_focus_state_(State::Suspended), |
146 audio_focus_type_(Type::Transient) { | 180 audio_focus_type_(Type::Transient) {} |
147 } | |
148 | 181 |
149 void MediaSession::Initialize() { | 182 void MediaSession::Initialize() { |
150 JNIEnv* env = base::android::AttachCurrentThread(); | 183 JNIEnv* env = base::android::AttachCurrentThread(); |
151 DCHECK(env); | 184 DCHECK(env); |
152 j_media_session_.Reset(Java_MediaSession_createMediaSession( | 185 j_media_session_.Reset(Java_MediaSession_createMediaSession( |
153 env, | 186 env, |
154 base::android::GetApplicationContext(), | 187 base::android::GetApplicationContext(), |
155 reinterpret_cast<intptr_t>(this))); | 188 reinterpret_cast<intptr_t>(this))); |
156 } | 189 } |
157 | 190 |
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171 return; | 204 return; |
172 | 205 |
173 // During tests, j_media_session_ might be null. | 206 // During tests, j_media_session_ might be null. |
174 if (!j_media_session_.is_null()) { | 207 if (!j_media_session_.is_null()) { |
175 JNIEnv* env = base::android::AttachCurrentThread(); | 208 JNIEnv* env = base::android::AttachCurrentThread(); |
176 DCHECK(env); | 209 DCHECK(env); |
177 Java_MediaSession_abandonAudioFocus(env, j_media_session_.obj()); | 210 Java_MediaSession_abandonAudioFocus(env, j_media_session_.obj()); |
178 } | 211 } |
179 | 212 |
180 audio_focus_state_ = State::Suspended; | 213 audio_focus_state_ = State::Suspended; |
| 214 UpdateWebContents(); |
| 215 } |
| 216 |
| 217 void MediaSession::UpdateWebContents() { |
| 218 static_cast<WebContentsImpl*>(web_contents())->OnMediaSessionStateChanged(); |
181 } | 219 } |
182 | 220 |
183 } // namespace content | 221 } // namespace content |
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