[Linux] Pause music when airpods disconnect

linux/main.cpp

@@ -359,13 +359,15 @@ private slots:
             LOG_WARN("Socket is still open, closing it");
             socket->close();
             socket = nullptr;
-            discoveryAgent->start();
         }
         if (phoneSocket && phoneSocket->isOpen())
         {
             phoneSocket->write(AirPodsPackets::Connection::AIRPODS_DISCONNECTED);
             LOG_DEBUG("AIRPODS_DISCONNECTED packet written: " << AirPodsPackets::Connection::AIRPODS_DISCONNECTED.toHex());
         }
+
+        mediaController->pause();
+        discoveryAgent->start();
     }
     void bluezDeviceDisconnected(const QString &address) 
     {

linux/mediacontroller.cpp

@@ -73,14 +73,7 @@ void MediaController::handleEarDetection(const QString &status) {
       QString playbackStatus = process.readAllStandardOutput().trimmed();
       LOG_DEBUG("Playback status: " << playbackStatus);
       if (playbackStatus == "Playing") {
-        int result = QProcess::execute("playerctl", QStringList() << "pause");
-        LOG_DEBUG("Executed 'playerctl pause' with result: " << result);
-        if (result == 0) {
-          LOG_INFO("Paused playback via Playerctl");
-          wasPausedByApp = true;
-        } else {
-          LOG_ERROR("Failed to pause playback via Playerctl");
-        }
+        pause();
       }
     }
   }
@@ -183,6 +176,20 @@ MediaController::MediaState MediaController::mediaStateFromPlayerctlOutput(
   }
 }
 
+void MediaController::pause() {
+  int result = QProcess::execute("playerctl", QStringList() << "pause");
+  LOG_DEBUG("Executed 'playerctl pause' with result: " << result);
+  if (result == 0)
+  {
+    LOG_INFO("Paused playback via Playerctl");
+    wasPausedByApp = true;
+  }
+  else
+  {
+    LOG_ERROR("Failed to pause playback via Playerctl");
+  }
+}
+
 MediaController::~MediaController() {
   if (playerctlProcess) {
     playerctlProcess->terminate();

linux/mediacontroller.h

@@ -23,6 +23,8 @@ public:
   void removeAudioOutputDevice();
   void setConnectedDeviceMacAddress(const QString &macAddress);
 
+  void pause();
+
 Q_SIGNALS:
   void mediaStateChanged(MediaState state);