[gnome-software: 6/11] dummy: Make listing distro upgrades asynchronous

[Milan Crha <mcrha src gnome org>]

commit 40131e5bd207360ff0bfe435d1e7f4eb306839bd
Author: Philip Withnall <pwithnall endlessos org>
Date:   Wed Mar 2 15:45:43 2022 +0000

    dummy: Make listing distro upgrades asynchronous
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>
    
    Helps: #1472

 plugins/dummy/gs-plugin-dummy.c | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)
---
diff --git a/plugins/dummy/gs-plugin-dummy.c b/plugins/dummy/gs-plugin-dummy.c
index a044c7735..ebcf1e518 100644
--- a/plugins/dummy/gs-plugin-dummy.c
+++ b/plugins/dummy/gs-plugin-dummy.c
@@ -903,16 +903,22 @@ gs_plugin_add_recent (GsPlugin *plugin,
        return TRUE;
 }
 
-gboolean
-gs_plugin_add_distro_upgrades (GsPlugin *plugin,
-                              GsAppList *list,
-                              GCancellable *cancellable,
-                              GError **error)
+static void
+gs_plugin_dummy_list_distro_upgrades_async (GsPlugin                        *plugin,
+                                            GsPluginListDistroUpgradesFlags  flags,
+                                            GCancellable                    *cancellable,
+                                            GAsyncReadyCallback              callback,
+                                            gpointer                         user_data)
 {
        g_autoptr(GsApp) app = NULL;
        g_autoptr(GIcon) ic = NULL;
        g_autofree gchar *background_filename = NULL;
        g_autofree gchar *css = NULL;
+       g_autoptr(GTask) task = NULL;
+       g_autoptr(GsAppList) list = gs_app_list_new ();
+
+       task = g_task_new (plugin, cancellable, callback, user_data);
+       g_task_set_source_tag (task, gs_plugin_dummy_list_distro_upgrades_async);
 
        /* use stock icon */
        ic = g_themed_icon_new ("system-component-addon");
@@ -921,7 +927,9 @@ gs_plugin_add_distro_upgrades (GsPlugin *plugin,
        app = gs_plugin_cache_lookup (plugin, 
"user/*/os-upgrade/org.fedoraproject.release-rawhide.upgrade/*");
        if (app != NULL) {
                gs_app_list_add (list, app);
-               return TRUE;
+
+               g_task_return_pointer (task, g_steal_pointer (&list), g_object_unref);
+               return;
        }
 
        app = gs_app_new ("org.fedoraproject.release-rawhide.upgrade");
@@ -956,7 +964,15 @@ gs_plugin_add_distro_upgrades (GsPlugin *plugin,
 
        gs_plugin_cache_add (plugin, NULL, app);
 
-       return TRUE;
+       g_task_return_pointer (task, g_steal_pointer (&list), g_object_unref);
+}
+
+static GsAppList *
+gs_plugin_dummy_list_distro_upgrades_finish (GsPlugin      *plugin,
+                                             GAsyncResult  *result,
+                                             GError       **error)
+{
+       return g_task_propagate_pointer (G_TASK (result), error);
 }
 
 gboolean
@@ -1066,6 +1082,8 @@ gs_plugin_dummy_class_init (GsPluginDummyClass *klass)
        plugin_class->list_installed_apps_finish = gs_plugin_dummy_list_installed_apps_finish;
        plugin_class->refresh_metadata_async = gs_plugin_dummy_refresh_metadata_async;
        plugin_class->refresh_metadata_finish = gs_plugin_dummy_refresh_metadata_finish;
+       plugin_class->list_distro_upgrades_async = gs_plugin_dummy_list_distro_upgrades_async;
+       plugin_class->list_distro_upgrades_finish = gs_plugin_dummy_list_distro_upgrades_finish;
 }
 
 GType