[gnome-software: 3/14] dummy: Make get_installed asynchronous

[Philip Withnall <pwithnall src gnome org>]

commit 6df8de4e9ae4305050c6ffbeaedb0a7c2d885009
Author: Philip Withnall <pwithnall endlessos org>
Date:   Thu Dec 9 15:49:11 2021 +0000

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

 plugins/dummy/gs-plugin-dummy.c | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)
---
diff --git a/plugins/dummy/gs-plugin-dummy.c b/plugins/dummy/gs-plugin-dummy.c
index 12395325e..20b7ae909 100644
--- a/plugins/dummy/gs-plugin-dummy.c
+++ b/plugins/dummy/gs-plugin-dummy.c
@@ -458,16 +458,21 @@ gs_plugin_add_updates (GsPlugin *plugin,
        return TRUE;
 }
 
-gboolean
-gs_plugin_add_installed (GsPlugin *plugin,
-                        GsAppList *list,
-                        GCancellable *cancellable,
-                        GError **error)
+static void
+gs_plugin_dummy_list_installed_apps_async (GsPlugin            *plugin,
+                                           GCancellable        *cancellable,
+                                           GAsyncReadyCallback  callback,
+                                           gpointer             user_data)
 {
        const gchar *packages[] = { "zeus", "zeus-common", NULL };
        const gchar *app_ids[] = { "Uninstall Zeus.desktop", NULL };
+       g_autoptr(GsAppList) list = gs_app_list_new ();
+       g_autoptr(GTask) task = NULL;
        guint i;
 
+       task = g_task_new (plugin, cancellable, callback, user_data);
+       g_task_set_source_tag (task, gs_plugin_dummy_list_installed_apps_async);
+
        /* add all packages */
        for (i = 0; packages[i] != NULL; i++) {
                g_autoptr(GsApp) app = gs_app_new (NULL);
@@ -488,7 +493,15 @@ gs_plugin_add_installed (GsPlugin *plugin,
                gs_app_list_add (list, app);
        }
 
-       return TRUE;
+       g_task_return_pointer (task, g_steal_pointer (&list), g_object_unref);
+}
+
+static GsAppList *
+gs_plugin_dummy_list_installed_apps_finish (GsPlugin      *plugin,
+                                            GAsyncResult  *result,
+                                            GError       **error)
+{
+       return g_task_propagate_pointer (G_TASK (result), error);
 }
 
 gboolean
@@ -924,6 +937,8 @@ gs_plugin_dummy_class_init (GsPluginDummyClass *klass)
        plugin_class->setup_finish = gs_plugin_dummy_setup_finish;
        plugin_class->refine_async = gs_plugin_dummy_refine_async;
        plugin_class->refine_finish = gs_plugin_dummy_refine_finish;
+       plugin_class->list_installed_apps_async = gs_plugin_dummy_list_installed_apps_async;
+       plugin_class->list_installed_apps_finish = gs_plugin_dummy_list_installed_apps_finish;
 }
 
 GType