monorepo structuring

lib/battery/upower.vala

@@ -0,0 +1,58 @@
+namespace AstalBattery {
+public class UPower : Object {
+    private IUPower proxy;
+    private HashTable<string, Device> _devices =
+        new HashTable<string, Device>(str_hash, str_equal);
+
+    public List<weak Device> devices {
+        owned get { return _devices.get_values(); }
+    }
+
+    public signal void device_added(Device device);
+    public signal void device_removed(Device device);
+
+    public Device display_device { owned get { return Device.get_default(); }}
+
+    public string daemon_version { owned get { return proxy.daemon_version; } }
+    public bool on_battery { get { return proxy.on_battery; } }
+    public bool lid_is_closed { get { return proxy.lid_is_closed; } }
+    public bool lis_is_present { get { return proxy.lid_is_closed; } }
+
+    public string critical_action {
+        owned get {
+            try {
+                return proxy.get_critical_action();
+            } catch (Error error) {
+                critical(error.message);
+                return "";
+            }
+        }
+    }
+
+    construct {
+        try {
+            proxy = Bus.get_proxy_sync(
+                BusType.SYSTEM,
+                "org.freedesktop.UPower",
+                "/org/freedesktop/UPower"
+            );
+
+            foreach (var path in proxy.enumerate_devices())
+                _devices.set(path, new Device(path));
+
+            proxy.device_added.connect((path) => {
+                _devices.set(path, new Device(path));
+                notify_property("devices");
+            });
+
+            proxy.device_removed.connect((path) => {
+                device_removed(_devices.get(path));
+                _devices.remove(path);
+                notify_property("devices");
+            });
+        } catch (Error error) {
+            critical(error.message);
+        }
+    }
+}
+}