Add IPC for Control Center

shell.qml

@@ -408,6 +408,37 @@ ShellRoot {
         target: "processlist"
     }
 
+    IpcHandler {
+        function open(): string {
+            controlCenterLoader.active = true
+            if (controlCenterLoader.item) {
+                // If already open just ensure visibility
+                controlCenterLoader.item.shouldBeVisible = true
+                return "CONTROL_CENTER_OPEN_SUCCESS"
+            }
+            return "CONTROL_CENTER_OPEN_FAILED"
+        }
+
+        function close(): string {
+            if (controlCenterLoader.item) {
+                controlCenterLoader.item.shouldBeVisible = false
+                return "CONTROL_CENTER_CLOSE_SUCCESS"
+            }
+            return "CONTROL_CENTER_CLOSE_FAILED"
+        }
+
+        function toggle(): string {
+            controlCenterLoader.active = true
+            if (controlCenterLoader.item) {
+                controlCenterLoader.item.shouldBeVisible = !controlCenterLoader.item.shouldBeVisible
+                return "CONTROL_CENTER_TOGGLE_SUCCESS"
+            }
+            return "CONTROL_CENTER_TOGGLE_FAILED"
+        }
+
+        target: "control-center"
+    }
+
     IpcHandler {
         function open(tab: string): string {
             dankDashPopoutLoader.active = true