refactor: extract PowerProfileService singleton; reducedMotion auto-enables on power-saver profile

modules/PowerProfile.qml

@@ -1,71 +1,29 @@
 import QtQuick
-import Quickshell.Io
 import "." as M
 
 M.BarIcon {
     id: root
-    tooltip: "Power profile: " + (root.profile || "unknown")
+    tooltip: "Power profile: " + (M.PowerProfileService.profile || "unknown")
 
-    property string profile: ""
-
-    color: root.profile === "performance" ? M.Theme.base09 : root.profile === "power-saver" ? M.Theme.base0B : parent?.accentColor ?? M.Theme.base05
+    color: M.PowerProfileService.profile === "performance" ? M.Theme.base09 : M.PowerProfileService.profile === "power-saver" ? M.Theme.base0B : parent?.accentColor ?? M.Theme.base05
 
     icon: {
-        if (root.profile === "performance")
+        if (M.PowerProfileService.profile === "performance")
             return "\uF0E7";
-        if (root.profile === "power-saver")
+        if (M.PowerProfileService.profile === "power-saver")
             return "\uF06C";
-        if (root.profile === "balanced")
+        if (M.PowerProfileService.profile === "balanced")
             return "\uF24E";
         return "\uF0E7";
     }
 
-    Process {
-        id: proc
-        running: true
-        command: ["powerprofilesctl", "get"]
-        stdout: StdioCollector {
-            onStreamFinished: root.profile = text.trim()
-        }
-    }
-    // Event-driven: watch power-profiles-daemon DBus changes
-    Process {
-        id: ppMonitor
-        running: true
-        command: ["sh", "-c", "dbus-monitor --system \"interface='org.freedesktop.DBus.Properties',member='PropertiesChanged',path='/net/hadess/PowerProfiles'\" 2>/dev/null"]
-        stdout: SplitParser {
-            splitMarker: "\n"
-            onRead: _debounce.restart()
-        }
-    }
-    Timer {
-        id: _debounce
-        interval: 300
-        onTriggered: proc.running = true
-    }
-    Timer {
-        interval: 60000
-        running: true
-        repeat: true
-        onTriggered: proc.running = true
-    }
-
-    Process {
-        id: setter
-        property string next: ""
-        command: ["powerprofilesctl", "set", next]
-        onRunningChanged: if (!running && next !== "")
-            proc.running = true
-    }
-
     MouseArea {
         anchors.fill: parent
         cursorShape: Qt.PointingHandCursor
         onClicked: {
             const cycle = ["performance", "balanced", "power-saver"];
-            const idx = cycle.indexOf(root.profile);
-            setter.next = cycle[(idx + 1) % cycle.length];
-            setter.running = true;
+            const idx = cycle.indexOf(M.PowerProfileService.profile);
+            M.PowerProfileService.set(cycle[(idx + 1) % cycle.length]);
         }
     }
 }

modules/PowerProfileService.qml

@@ -0,0 +1,52 @@
+pragma Singleton
+
+import QtQuick
+import Quickshell.Io
+
+QtObject {
+    id: root
+
+    property string profile: ""
+    readonly property bool powerSaver: profile === "power-saver"
+
+    property var _proc: Process {
+        running: true
+        command: ["powerprofilesctl", "get"]
+        stdout: StdioCollector {
+            onStreamFinished: root.profile = text.trim()
+        }
+    }
+
+    property var _monitor: Process {
+        running: true
+        command: ["sh", "-c", "dbus-monitor --system \"interface='org.freedesktop.DBus.Properties',member='PropertiesChanged',path='/net/hadess/PowerProfiles'\" 2>/dev/null"]
+        stdout: SplitParser {
+            splitMarker: "\n"
+            onRead: _debounce.restart()
+        }
+    }
+
+    property var _debounce: Timer {
+        interval: 300
+        onTriggered: root._proc.running = true
+    }
+
+    property var _poll: Timer {
+        interval: 60000
+        running: true
+        repeat: true
+        onTriggered: root._proc.running = true
+    }
+
+    function set(p) {
+        _setter.next = p;
+        _setter.running = true;
+    }
+
+    property var _setter: Process {
+        property string next: ""
+        command: ["powerprofilesctl", "set", next]
+        onRunningChanged: if (!running && next !== "")
+            root._proc.running = true
+    }
+}

modules/Theme.qml

@@ -35,7 +35,8 @@ QtObject {
     property int groupSpacing: 6
     property int radius: 4
     property int screenRadius: 15
-    property bool reducedMotion: false
+    property bool _reducedMotionConfig: false
+    readonly property bool reducedMotion: _reducedMotionConfig || PowerProfileService.powerSaver
 
     property FileView _themeFile: FileView {
         path: (Quickshell.env("XDG_CONFIG_HOME") || (Quickshell.env("HOME") + "/.config")) + "/nova-shell/theme.json"
@@ -77,6 +78,6 @@ QtObject {
         if (data.screenRadius !== undefined)
             root.screenRadius = data.screenRadius;
         if (data.reducedMotion !== undefined)
-            root.reducedMotion = data.reducedMotion;
+            root._reducedMotionConfig = data.reducedMotion;
     }
 }

modules/qmldir

@@ -33,6 +33,7 @@ PowerProfile 1.0 PowerProfile.qml
 IdleInhibitor 1.0 IdleInhibitor.qml
 Notifications 1.0 Notifications.qml
 singleton NiriIpc 1.0 NiriIpc.qml
+singleton PowerProfileService 1.0 PowerProfileService.qml
 singleton SystemStats 1.0 SystemStats.qml
 ProcessList 1.0 ProcessList.qml
 singleton NotifService 1.0 NotifService.qml