1 files changed, 181 insertions, 0 deletions
diff --git a/lib/bluetooth/bluetooth.vala b/lib/bluetooth/bluetooth.vala
new file mode 100644
index 0000000..ce086ba
--- /dev/null
+++ b/lib/bluetooth/bluetooth.vala
@@ -0,0 +1,181 @@
+namespace AstalBluetooth {
+public Bluetooth get_default() {
+    return Bluetooth.get_default();
+}
+
+public class Bluetooth : Object {
+    private static Bluetooth _instance;
+
+    public static Bluetooth get_default() {
+        if (_instance == null)
+            _instance = new Bluetooth();
+
+        return _instance;
+    }
+
+    private DBusObjectManagerClient manager;
+
+    private HashTable<string, Adapter> _adapters =
+        new HashTable<string, Adapter>(str_hash, str_equal);
+
+    private HashTable<string, Device> _devices =
+        new HashTable<string, Device>(str_hash, str_equal);
+
+    public signal void device_added (Device device) {
+        notify_property("devices");
+    }
+
+    public signal void device_removed (Device device) {
+        notify_property("devices");
+    }
+
+    public signal void adapter_added (Adapter adapter) {
+        notify_property("adapters");
+    }
+
+    public signal void adapter_removed (Adapter adapter) {
+        notify_property("adapters");
+    }
+
+    public bool is_powered { get; private set; default = false; }
+    public bool is_connected { get; private set; default = false; }
+    public Adapter? adapter { get { return adapters.nth_data(0); } }
+
+    public List<weak Adapter> adapters {
+        owned get { return _adapters.get_values(); }
+    }
+
+    public List<weak Device> devices {
+        owned get { return _devices.get_values(); }
+    }
+
+    construct {
+        try {
+            manager = new DBusObjectManagerClient.for_bus_sync(
+                BusType.SYSTEM,
+                DBusObjectManagerClientFlags.NONE,
+                "org.bluez",
+                "/",
+                manager_proxy_get_type,
+                null
+            );
+
+            foreach (var object in manager.get_objects()) {
+                foreach (var iface in object.get_interfaces()) {
+                    on_interface_added(object, iface);
+                }
+            }
+
+            manager.interface_added.connect(on_interface_added);
+            manager.interface_removed.connect(on_interface_removed);
+
+            manager.object_added.connect((object) => {
+                foreach (var iface in object.get_interfaces()) {
+                    on_interface_added(object, iface);
+                }
+            });
+
+            manager.object_removed.connect((object) => {
+                foreach (var iface in object.get_interfaces()) {
+                    on_interface_removed(object, iface);
+                }
+            });
+        } catch (Error err) {
+            critical(err.message);
+        }
+    }
+
+    public void toggle() {
+        adapter.powered = !adapter.powered;
+    }
+
+    [CCode (cname="astal_bluetooth_idevice_proxy_get_type")]
+    extern static GLib.Type get_idevice_proxy_type();
+
+    [CCode (cname="astal_bluetooth_iadapter_proxy_get_type")]
+    extern static GLib.Type get_iadapter_proxy_type();
+
+    private Type manager_proxy_get_type(DBusObjectManagerClient _, string object_path, string? interface_name) {
+        if (interface_name == null)
+            return typeof(DBusObjectProxy);
+
+        switch (interface_name) {
+            case "org.bluez.Device1":
+                return get_idevice_proxy_type();
+            case "org.bluez.Adapter1":
+                return get_iadapter_proxy_type();
+            default:
+                return typeof(DBusProxy);
+        }
+    }
+
+    private void on_interface_added(DBusObject object, DBusInterface iface) {
+        if (iface is IDevice) {
+            var device = new Device((IDevice)iface);
+            _devices.set(device.object_path, device);
+            device_added(device);
+            device.notify.connect(sync);
+            sync();
+        }
+
+        if (iface is IAdapter) {
+            var adapter = new Adapter((IAdapter)iface);
+            _adapters.set(adapter.object_path, adapter);
+            adapter_added(adapter);
+            adapter.notify.connect(sync);
+            sync();
+        }
+    }
+
+    private void on_interface_removed (DBusObject object, DBusInterface iface) {
+        if (iface is IDevice) {
+            unowned var device = (IDevice)iface;
+            device_removed(_devices.get(device.g_object_path));
+            _devices.remove(device.g_object_path);
+        }
+
+        if (iface is IAdapter) {
+            unowned var adapter = (IAdapter)iface;
+            adapter_removed(_adapters.get(adapter.g_object_path));
+            _adapters.remove(adapter.g_object_path);
+        }
+
+        sync();
+    }
+
+    private void sync() {
+        var powered = get_powered();
+        var connected = get_connected();
+
+        if (powered != is_powered || connected != is_connected) {
+            if (powered != is_powered) {
+                is_powered = powered;
+            }
+
+            if (connected != is_connected) {
+                is_connected = connected;
+            }
+        }
+    }
+
+    private bool get_powered() {
+        foreach (var adapter in adapters) {
+            if (adapter.powered) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private bool get_connected() {
+        foreach (var device in devices) {
+            if (device.connected) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
+}