[gnome-bluetooth/wip/hadess/function-removal: 3/9] client: Add num-adapters property

[Bastien Nocera <hadess src gnome org>]

commit d48a5045939e8d1992a102ef7dcc76b91426e72f
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Nov 18 15:46:03 2021 +0100

    client: Add num-adapters property

 lib/bluetooth-client.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)
---
diff --git a/lib/bluetooth-client.c b/lib/bluetooth-client.c
index 3eca735c..d59b0c66 100644
--- a/lib/bluetooth-client.c
+++ b/lib/bluetooth-client.c
@@ -59,6 +59,7 @@ struct _BluetoothClient {
        GDBusObjectManager *manager;
        GCancellable *cancellable;
        GtkTreeStore *store;
+       guint num_adapters;
        GtkTreeRowReference *default_adapter;
        /* Discoverable during discovery? */
        gboolean disco_during_disco;
@@ -67,6 +68,7 @@ struct _BluetoothClient {
 
 enum {
        PROP_0,
+       PROP_NUM_ADAPTERS,
        PROP_DEFAULT_ADAPTER,
        PROP_DEFAULT_ADAPTER_POWERED,
        PROP_DEFAULT_ADAPTER_DISCOVERABLE,
@@ -650,6 +652,9 @@ adapter_added (GDBusObjectManager   *manager,
                                         g_dbus_object_get_object_path (g_dbus_interface_get_object 
(G_DBUS_INTERFACE (adapter))),
                                         client);
        }
+
+       client->num_adapters++;
+       g_object_notify (G_OBJECT (client), "num-adapters");
 }
 
 static void
@@ -668,7 +673,7 @@ adapter_removed (GDBusObjectManager   *manager,
                           BLUETOOTH_COLUMN_DEFAULT, &was_default, -1);
 
        if (!was_default)
-               return;
+               goto out;
 
        /* Ensure that all devices are removed. This can happen if bluetoothd
         * crashes as the "object-removed" signal is emitted in an undefined
@@ -707,6 +712,10 @@ adapter_removed (GDBusObjectManager   *manager,
                g_object_notify (G_OBJECT (client), "default-adapter-discoverable");
                g_object_notify (G_OBJECT (client), "default-adapter-discovering");
        }
+
+out:
+       client->num_adapters--;
+       g_object_notify (G_OBJECT (client), "num-adapters");
 }
 
 static GType
@@ -1009,6 +1018,9 @@ bluetooth_client_get_property (GObject        *object,
        BluetoothClient *client = BLUETOOTH_CLIENT (object);
 
        switch (property_id) {
+       case PROP_NUM_ADAPTERS:
+               g_value_set_uint (value, client->num_adapters);
+               break;
        case PROP_DEFAULT_ADAPTER:
                g_value_set_string (value, _bluetooth_client_get_default_adapter_path (client));
                break;
@@ -1093,6 +1105,16 @@ static void bluetooth_client_class_init(BluetoothClientClass *klass)
                              g_cclosure_marshal_VOID__STRING,
                              G_TYPE_NONE, 1, G_TYPE_STRING);
 
+       /**
+        * BluetoothClient:num-adapters:
+        *
+        * The number of detected Bluetooth adapters.
+        */
+       g_object_class_install_property (object_class, PROP_NUM_ADAPTERS,
+                                        g_param_spec_uint ("num-adapters", NULL,
+                                                           "The number of detected Bluetooth adapters",
+                                                           0, G_MAXUINT, 0, G_PARAM_READABLE));
+
        /**
         * BluetoothClient:default-adapter:
         *