PowerProfile: create PowerProfileService, use it for the BarWidget and

PowerProfilesCard

Services/PowerProfileService.qml

@@ -0,0 +1,58 @@
+pragma Singleton
+
+import QtQuick
+import Quickshell
+import Quickshell.Services.UPower
+import qs.Commons
+import qs.Services
+
+Singleton {
+  id: root
+
+  readonly property var powerProfiles: PowerProfiles
+  readonly property bool available: powerProfiles && powerProfiles.hasPerformanceProfile
+  property int profile: powerProfiles ? powerProfiles.profile : PowerProfile.Balanced
+
+  function profileName(p) {
+    const prof = (p !== undefined) ? p : profile
+    if (!available)
+      return "Unknown"
+    if (prof === PowerProfile.Performance)
+      return "Performance"
+    if (prof === PowerProfile.Balanced)
+      return "Balanced"
+    if (prof === PowerProfile.PowerSaver)
+      return "Power Saver"
+    return "Unknown"
+  }
+
+  function setProfile(p) {
+    if (!available)
+      return
+    try {
+      powerProfiles.profile = p
+    } catch (e) {
+      Logger.error("PowerProfileService", "Failed to set profile:", e)
+    }
+  }
+
+  function cycleProfile() {
+    if (!available)
+      return
+    const current = powerProfiles.profile
+    if (current === PowerProfile.Performance)
+      setProfile(PowerProfile.PowerSaver)
+    else if (current === PowerProfile.Balanced)
+      setProfile(PowerProfile.Performance)
+    else if (current === PowerProfile.PowerSaver)
+      setProfile(PowerProfile.Balanced)
+  }
+
+  Connections {
+    target: powerProfiles
+    function onProfileChanged() {
+      root.profile = powerProfiles.profile
+      ToastService.showNotice("Power Profile", root.profileName())
+    }
+  }
+}