[gnome-bluetooth/wip/hadess/lib-changes: 12/19] lib: Stop tracking default adapter in GtkTreeModel

[Bastien Nocera <hadess src gnome org>]

commit 63b260c55d35d05ffd6a79eba2b930904a850c63
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Nov 25 18:13:49 2021 +0100

    lib: Stop tracking default adapter in GtkTreeModel
    
    And keep track of it as a GDBusProxy* instead.

 lib/bluetooth-client.c | 145 ++++++++++---------------------------------------
 1 file changed, 28 insertions(+), 117 deletions(-)
---
diff --git a/lib/bluetooth-client.c b/lib/bluetooth-client.c
index 354673dd..1521c6df 100644
--- a/lib/bluetooth-client.c
+++ b/lib/bluetooth-client.c
@@ -56,11 +56,11 @@ struct _BluetoothClient {
        GObject parent;
 
        GListStore *list_store;
+       Adapter1 *default_adapter;
        GDBusObjectManager *manager;
        GCancellable *cancellable;
        GtkTreeStore *store;
        guint num_adapters;
-       GtkTreeRowReference *default_adapter;
        /* Discoverable during discovery? */
        gboolean disco_during_disco;
        gboolean discovery_started;
@@ -552,26 +552,15 @@ adapter_set_powered_cb (GDBusProxy *proxy,
 
 static void
 adapter_set_powered (BluetoothClient *client,
-                    const char *path,
-                    gboolean powered)
+                    GDBusProxy      *adapter,
+                    gboolean         powered)
 {
-       g_autoptr(GObject) adapter = NULL;
-       GtkTreeIter iter;
        GVariant *variant;
 
        g_return_if_fail (BLUETOOTH_IS_CLIENT (client));
 
-       if (get_iter_from_path (client->store, &iter, path) == FALSE)
-               return;
-
-       gtk_tree_model_get (GTK_TREE_MODEL (client->store), &iter,
-                           BLUETOOTH_COLUMN_PROXY, &adapter, -1);
-
-       if (adapter == NULL)
-               return;
-
        variant = g_variant_new_boolean (powered);
-       g_dbus_proxy_call (G_DBUS_PROXY (adapter),
+       g_dbus_proxy_call (adapter,
                           "org.freedesktop.DBus.Properties.Set",
                           g_variant_new ("(ssv)", "org.bluez.Adapter1", "Powered", variant),
                           G_DBUS_CALL_FLAGS_NONE,
@@ -648,23 +637,20 @@ add_devices_to_list_store (BluetoothClient *client)
 
 static void
 default_adapter_changed (GDBusObjectManager   *manager,
-                        const char           *path,
+                        GDBusProxy           *adapter,
                         BluetoothClient      *client)
 {
        GtkTreeIter iter;
-       GtkTreePath *tree_path;
        gboolean powered;
 
        g_assert (!client->default_adapter);
 
-       if (get_iter_from_path (client->store, &iter, path) == FALSE)
+       if (get_iter_from_proxy (client->store, &iter, adapter) == FALSE)
                return;
 
-       g_debug ("Setting '%s' as the new default adapter", path);
+       g_debug ("Setting '%s' as the new default adapter", g_dbus_proxy_get_object_path (adapter));
 
-       tree_path = gtk_tree_model_get_path (GTK_TREE_MODEL (client->store), &iter);
-       client->default_adapter = gtk_tree_row_reference_new (GTK_TREE_MODEL (client->store), tree_path);
-       gtk_tree_path_free (tree_path);
+       client->default_adapter = ADAPTER1 (g_object_ref (G_OBJECT (adapter)));
 
        gtk_tree_store_set (client->store, &iter,
                            BLUETOOTH_COLUMN_DEFAULT, TRUE, -1);
@@ -688,7 +674,7 @@ default_adapter_changed (GDBusObjectManager   *manager,
         * notifications will be sent only when a Powered = True signal arrives
         * from bluetoothd
         */
-       adapter_set_powered (client, path, TRUE);
+       adapter_set_powered (client, adapter, TRUE);
 }
 
 static void
@@ -787,7 +773,7 @@ adapter_added (GDBusObjectManager   *manager,
 
        if (!client->default_adapter) {
                default_adapter_changed (manager,
-                                        g_dbus_object_get_object_path (g_dbus_interface_get_object 
(G_DBUS_INTERFACE (adapter))),
+                                        G_DBUS_PROXY (adapter),
                                         client);
        }
 
@@ -801,20 +787,20 @@ adapter_removed (GDBusObjectManager   *manager,
                 BluetoothClient      *client)
 {
        GtkTreeIter iter, childiter;
-       gboolean was_default;
+       gboolean was_default = FALSE;
        gboolean have_child;
 
-       if (get_iter_from_path (client->store, &iter, path) == FALSE)
-               return;
+       if (g_strcmp0 (path, g_dbus_proxy_get_object_path (G_DBUS_PROXY (client->default_adapter))) == 0)
+               was_default = TRUE;
 
        g_debug ("Removing adapter '%s'", path);
 
-       gtk_tree_model_get (GTK_TREE_MODEL(client->store), &iter,
-                          BLUETOOTH_COLUMN_DEFAULT, &was_default, -1);
-
        if (!was_default)
                goto out;
 
+       if (get_iter_from_path (client->store, &iter, path) == FALSE)
+               return;
+
        /* Ensure that all devices are removed. This can happen if bluetoothd
         * crashes as the "object-removed" signal is emitted in an undefined
         * order. */
@@ -831,19 +817,17 @@ adapter_removed (GDBusObjectManager   *manager,
                have_child = gtk_tree_store_remove (client->store, &childiter);
        }
 
-       g_clear_pointer (&client->default_adapter, gtk_tree_row_reference_free);
+       g_clear_object (&client->default_adapter);
        gtk_tree_store_remove (client->store, &iter);
 
        if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL(client->store),
                                           &iter)) {
                GDBusProxy *adapter;
-               const char *adapter_path;
 
                gtk_tree_model_get (GTK_TREE_MODEL(client->store), &iter,
                                   BLUETOOTH_COLUMN_PROXY, &adapter, -1);
 
-               adapter_path = g_dbus_proxy_get_object_path (adapter);
-               default_adapter_changed (manager, adapter_path, client);
+               default_adapter_changed (manager, adapter, client);
 
                g_object_unref(adapter);
        } else {
@@ -1045,71 +1029,12 @@ static void bluetooth_client_init(BluetoothClient *client)
 GDBusProxy *
 _bluetooth_client_get_default_adapter(BluetoothClient *client)
 {
-       GtkTreePath *path;
-       GtkTreeIter iter;
-       GDBusProxy *adapter;
-
        g_return_val_if_fail (BLUETOOTH_IS_CLIENT (client), NULL);
 
        if (client->default_adapter == NULL)
                return NULL;
 
-       path = gtk_tree_row_reference_get_path (client->default_adapter);
-       gtk_tree_model_get_iter (GTK_TREE_MODEL (client->store), &iter, path);
-       gtk_tree_model_get (GTK_TREE_MODEL (client->store), &iter,
-                           BLUETOOTH_COLUMN_PROXY, &adapter, -1);
-       gtk_tree_path_free (path);
-
-       return adapter;
-}
-
-static const char*
-_bluetooth_client_get_default_adapter_path (BluetoothClient *client)
-{
-       GDBusProxy *adapter = _bluetooth_client_get_default_adapter (client);
-
-       if (adapter != NULL) {
-               const char *ret = g_dbus_proxy_get_object_path (adapter);
-               g_object_unref (adapter);
-               return ret;
-       }
-       return NULL;
-}
-
-static gboolean
-_bluetooth_client_get_default_adapter_powered (BluetoothClient *client)
-{
-       GtkTreePath *path;
-       GtkTreeIter iter;
-       gboolean ret;
-
-       if (client->default_adapter == NULL)
-               return FALSE;
-
-       path = gtk_tree_row_reference_get_path (client->default_adapter);
-       gtk_tree_model_get_iter (GTK_TREE_MODEL (client->store), &iter, path);
-       gtk_tree_model_get (GTK_TREE_MODEL (client->store), &iter, BLUETOOTH_COLUMN_POWERED, &ret, -1);
-       gtk_tree_path_free (path);
-
-       return ret;
-}
-
-static char *
-_bluetooth_client_get_default_adapter_name (BluetoothClient *client)
-{
-       GtkTreePath *path;
-       GtkTreeIter iter;
-       char *ret;
-
-       if (client->default_adapter == NULL)
-               return NULL;
-
-       path = gtk_tree_row_reference_get_path (client->default_adapter);
-       gtk_tree_model_get_iter (GTK_TREE_MODEL (client->store), &iter, path);
-       gtk_tree_model_get (GTK_TREE_MODEL (client->store), &iter, BLUETOOTH_COLUMN_ALIAS, &ret, -1);
-       gtk_tree_path_free (path);
-
-       return ret;
+       return G_DBUS_PROXY (g_object_ref (client->default_adapter));
 }
 
 static void
@@ -1138,24 +1063,6 @@ _bluetooth_client_set_default_adapter_discovering (BluetoothClient *client,
                adapter1_call_stop_discovery (ADAPTER1 (adapter), NULL, NULL, NULL);
 }
 
-static gboolean
-_bluetooth_client_get_default_adapter_discovering (BluetoothClient *client)
-{
-       GtkTreePath *path;
-       GtkTreeIter iter;
-       gboolean ret;
-
-       if (client->default_adapter == NULL)
-               return FALSE;
-
-       path = gtk_tree_row_reference_get_path (client->default_adapter);
-       gtk_tree_model_get_iter (GTK_TREE_MODEL (client->store), &iter, path);
-       gtk_tree_model_get (GTK_TREE_MODEL (client->store), &iter, BLUETOOTH_COLUMN_DISCOVERING, &ret, -1);
-       gtk_tree_path_free (path);
-
-       return ret;
-}
-
 static void
 bluetooth_client_get_property (GObject        *object,
                               guint           property_id,
@@ -1169,16 +1076,20 @@ bluetooth_client_get_property (GObject        *object,
                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));
+               g_value_set_string (value, client->default_adapter ?
+                                   g_dbus_proxy_get_object_path (G_DBUS_PROXY (client->default_adapter)) : 
NULL);
                break;
        case PROP_DEFAULT_ADAPTER_POWERED:
-               g_value_set_boolean (value, _bluetooth_client_get_default_adapter_powered (client));
+               g_value_set_boolean (value, client->default_adapter ?
+                                    adapter1_get_powered (client->default_adapter) : FALSE);
                break;
        case PROP_DEFAULT_ADAPTER_NAME:
-               g_value_take_string (value, _bluetooth_client_get_default_adapter_name (client));
+               g_value_set_string (value, client->default_adapter ?
+                                   adapter1_get_alias (client->default_adapter) : NULL);
                break;
        case PROP_DEFAULT_ADAPTER_SETUP_MODE:
-               g_value_set_boolean (value, _bluetooth_client_get_default_adapter_discovering (client));
+               g_value_set_boolean (value, client->default_adapter ?
+                                    adapter1_get_discovering (client->default_adapter) : FALSE);
                break;
        default:
                G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
@@ -1216,7 +1127,7 @@ static void bluetooth_client_finalize(GObject *object)
        g_object_unref (client->store);
        g_object_unref (client->list_store);
 
-       g_clear_pointer (&client->default_adapter, gtk_tree_row_reference_free);
+       g_clear_object (&client->default_adapter);
 
        G_OBJECT_CLASS(bluetooth_client_parent_class)->finalize (object);
 }