feat(lockscreen): enable use of videos as screensaver in the lock screen (#1819)

* feat(lockscreen): enable use of videos as screensaver in the lock screen

* reducing debug logs

* feature becomes available only when QtMultimedia is available

quickshell/Services/AudioService.qml

@@ -7,6 +7,7 @@ import Quickshell
 import Quickshell.Io
 import Quickshell.Services.Pipewire
 import qs.Common
+import qs.Services
 
 Singleton {
     id: root
@@ -14,7 +15,7 @@ Singleton {
     readonly property PwNode sink: Pipewire.defaultAudioSink
     readonly property PwNode source: Pipewire.defaultAudioSource
 
-    property bool soundsAvailable: false
+    readonly property bool soundsAvailable: MultimediaService.available
     property bool gsettingsAvailable: false
     property var availableSoundThemes: []
     property string currentSoundTheme: ""
@@ -312,24 +313,6 @@ EOFCONFIG
         }
     }
 
-    function detectSoundsAvailability() {
-        try {
-            const testObj = Qt.createQmlObject(`
-                import QtQuick
-                import QtMultimedia
-                Item {}
-            `, root, "AudioService.TestComponent");
-            if (testObj) {
-                testObj.destroy();
-            }
-            soundsAvailable = true;
-            return true;
-        } catch (e) {
-            soundsAvailable = false;
-            return false;
-        }
-    }
-
     function checkGsettings() {
         Proc.runCommand("checkGsettings", ["sh", "-c", "gsettings get org.gnome.desktop.sound theme-name 2>/dev/null"], (output, exitCode) => {
             gsettingsAvailable = (exitCode === 0);
@@ -1028,10 +1011,7 @@ EOFCONFIG
     }
 
     Component.onCompleted: {
-        if (!detectSoundsAvailability()) {
-            console.warn("AudioService: QtMultimedia not available - sound effects disabled");
-        } else {
-            console.info("AudioService: Sound effects enabled");
+        if (soundsAvailable) {
             checkGsettings();
             Qt.callLater(createSoundPlayers);
         }

quickshell/Services/MultimediaService.qml

@@ -0,0 +1,35 @@
+pragma Singleton
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import Quickshell
+
+Singleton {
+    id: root
+
+    property bool available: false
+
+    function detectAvailability() {
+        try {
+            const testObj = Qt.createQmlObject(`
+                import QtQuick
+                import QtMultimedia
+                Item {}
+            `, root, "MultimediaService.TestComponent");
+            if (testObj) {
+                testObj.destroy();
+            }
+            available = true;
+            return true;
+        } catch (e) {
+            available = false;
+            return false;
+        }
+    }
+
+    Component.onCompleted: {
+        if (!detectAvailability()) {
+            console.warn("MultimediaService: QtMultimedia not available");
+        }
+    }
+}