Listen to the audio focus event for MSE/EME

media/base/android/media_player_android.cc

Index: media/base/android/media_player_android.cc
diff --git a/media/base/android/media_player_android.cc b/media/base/android/media_player_android.cc
index 1fcd90c780c7a48ef42cf7205ff51e4749409592..954ba96c70d2f67d487daa923774e10d112ffe8b 100644
--- a/media/base/android/media_player_android.cc
+++ b/media/base/android/media_player_android.cc
@@ -4,7 +4,9 @@
 
 #include "media/base/android/media_player_android.h"
 
+#include "base/android/jni_android.h"
 #include "base/logging.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "media/base/android/media_drm_bridge.h"
 #include "media/base/android/media_player_manager.h"
 
@@ -18,7 +20,10 @@ MediaPlayerAndroid::MediaPlayerAndroid(
     : request_media_resources_cb_(request_media_resources_cb),
       player_id_(player_id),
       manager_(manager),
-      frame_url_(frame_url) {
+      frame_url_(frame_url),
+      weak_factory_(this) {
+  listener_.reset(new MediaPlayerListener(base::MessageLoopProxy::current(),
+                                          weak_factory_.GetWeakPtr()));
 }
 
 MediaPlayerAndroid::~MediaPlayerAndroid() {}
@@ -37,4 +42,42 @@ void MediaPlayerAndroid::SetCdm(BrowserCdm* /* cdm */) {
   return;
 }
 
+void MediaPlayerAndroid::OnVideoSizeChanged(int width, int height) {
+  manager_->OnVideoSizeChanged(player_id(), width, height);
+}
+
+void MediaPlayerAndroid::OnMediaError(int error_type) {
+  manager_->OnError(player_id(), error_type);
+}
+
+void MediaPlayerAndroid::OnBufferingUpdate(int percent) {
+  manager_->OnBufferingUpdate(player_id(), percent);
+}
+
+void MediaPlayerAndroid::OnPlaybackComplete() {
+  manager_->OnPlaybackComplete(player_id());
+}
+
+void MediaPlayerAndroid::OnMediaInterrupted() {
+  manager_->OnMediaInterrupted(player_id());
+}
+
+void MediaPlayerAndroid::OnSeekComplete() {
+  manager_->OnSeekComplete(player_id(), GetCurrentTime());
+}
+
+void MediaPlayerAndroid::OnMediaPrepared() {}
+
+void MediaPlayerAndroid::AttachListener(jobject j_media_player) {
+  jobject j_context = base::android::GetApplicationContext();
+  DCHECK(j_context);
+
+  listener_->CreateMediaPlayerListener(j_context, j_media_player);
+}
+
+void MediaPlayerAndroid::DetachListener() {
+  listener_->ReleaseMediaPlayerListenerResources();
+}
+
+
 }  // namespace media