Cava: Now only runs when a visualizer is in sight.

Services/BarService.qml

@@ -1,11 +1,32 @@
 pragma Singleton
 
+import QtQuick
 import Quickshell
 import qs.Commons
 
 Singleton {
   id: root
 
+  property bool hasAudioVisualizer: false
+
+  // Simple timer that run once when the widget structure has changed
+  // and determine if any MediaMini widget has the visualizer on
+  Timer {
+    id: timerCheckVisualizer
+    interval: 100
+    repeat: false
+    onTriggered: {
+      hasAudioVisualizer = false
+      const widgets = getAllWidgetInstances("MediaMini")
+      for(var i=0; i<widgets.length; i++) {
+        const widget = widgets[i]
+        if (widget.showVisualizer) {
+          hasAudioVisualizer = true
+        }
+      }
+    }
+  }
+
   // Registry to store actual widget instances
   // Key format: "screenName|section|widgetId|index"
   property var widgetInstances: ({})
@@ -20,6 +41,9 @@ Singleton {
       "index": index,
       "instance": instance
     }
+
+    timerCheckVisualizer.restart()
+
     Logger.log("BarService", "Registered widget:", key)
   }
 

Services/BarWidgetRegistry.qml

@@ -15,6 +15,7 @@ Singleton {
                            "Bluetooth": bluetoothComponent,
                            "Brightness": brightnessComponent,
                            "Clock": clockComponent,
+                           "ControlCenter": controlCenterComponent,
                            "CustomButton": customButtonComponent,
                            "DarkMode": darkMode,
                            "KeepAwake": keepAwakeComponent,
@@ -24,9 +25,8 @@ Singleton {
                            "NightLight": nightLightComponent,
                            "NotificationHistory": notificationHistoryComponent,
                            "PowerProfile": powerProfileComponent,
-                           "SessionMenu": sessionMenuComponent,
                            "ScreenRecorder": screenRecorderComponent,
-                           "ControlCenter": controlCenterComponent,
+                           "SessionMenu": sessionMenuComponent,
                            "Spacer": spacerComponent,
                            "SystemMonitor": systemMonitorComponent,
                            "Taskbar": taskbarComponent,

Services/CavaService.qml

@@ -8,9 +8,9 @@ import qs.Commons
 Singleton {
   id: root
 
+  property bool shouldRun: BarService.hasAudioVisualizer || (PanelService.getPanel("controlCenterPanel") === PanelService.openedPanel)
   property var values: Array(barsCount).fill(0)
   property int barsCount: 24
-
   property var config: ({
                           "general": {
                             "bars": barsCount,
@@ -37,8 +37,11 @@ Singleton {
   Process {
     id: process
     stdinEnabled: true
-    running: true // Yes, cava should run at all times! Even if no mpris is available.
+    running: root.shouldRun
     command: ["cava", "-p", "/dev/stdin"]
+    onRunningChanged: {
+      Logger.log("Cava", "Process running:", running)
+    }
     onExited: {
       stdinEnabled = true
       values = Array(barsCount).fill(0)
@@ -64,4 +67,4 @@ Singleton {
       }
     }
   }
-}
+}