[gnome-bluetooth/wip/hadess/powered-fixes: 1/4] lib: Simplify adapter_set_powered()

[Bastien Nocera <hadess src gnome org>]

commit 0c9e1c67ada319ad1a65fa66785e062861d6e609
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Dec 16 14:10:05 2021 +0100

    lib: Simplify adapter_set_powered()
    
    We don't need to pass the adapter we want to power, we only care about
    the default adapter.

 lib/bluetooth-client.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/lib/bluetooth-client.c b/lib/bluetooth-client.c
index 644e3bb5..300e9a18 100644
--- a/lib/bluetooth-client.c
+++ b/lib/bluetooth-client.c
@@ -403,15 +403,24 @@ adapter_set_powered_cb (GDBusProxy *proxy,
 
 static void
 adapter_set_powered (BluetoothClient *client,
-                    GDBusProxy      *adapter,
                     gboolean         powered)
 {
        GVariant *variant;
 
        g_return_if_fail (BLUETOOTH_IS_CLIENT (client));
 
+       if (!client->default_adapter) {
+               g_debug ("No default adapter to power");
+               return;
+       }
+
+       if (powered == adapter1_get_powered (client->default_adapter)) {
+               g_debug ("Default adapter is already %spowered", powered ? "" : "un");
+               return;
+       }
+
        variant = g_variant_new_boolean (powered);
-       g_dbus_proxy_call (adapter,
+       g_dbus_proxy_call (G_DBUS_PROXY (client->default_adapter),
                           "org.freedesktop.DBus.Properties.Set",
                           g_variant_new ("(ssv)", "org.bluez.Adapter1", "Powered", variant),
                           G_DBUS_CALL_FLAGS_NONE,
@@ -571,7 +580,7 @@ default_adapter_changed (GDBusObjectManager       *manager,
 
        powered = adapter1_get_powered (client->default_adapter);
        if (!powered)
-               adapter_set_powered (client, adapter, TRUE);
+               adapter_set_powered (client, TRUE);
 }
 
 static gboolean