[gcr/wip/nielsdg/initial-gtask: 3/4] gck-object-cache: Port to GTask



commit f04ca56079c438094ca5d886cc3b2b6fea4ef7a7
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Mon Dec 23 09:50:43 2019 +0100

    gck-object-cache: Port to GTask

 gck/gck-object-cache.c | 53 +++++++++++++++++++++++---------------------------
 1 file changed, 24 insertions(+), 29 deletions(-)
---
diff --git a/gck/gck-object-cache.c b/gck/gck-object-cache.c
index 8da15cb..a7c6cb1 100644
--- a/gck/gck-object-cache.c
+++ b/gck/gck-object-cache.c
@@ -209,7 +209,7 @@ on_cache_object_get (GObject *source,
                      GAsyncResult *result,
                      gpointer user_data)
 {
-       GSimpleAsyncResult *res = G_SIMPLE_ASYNC_RESULT (user_data);
+       GTask *task = G_TASK (user_data);
        GckAttributes *attrs;
        GError *error = NULL;
 
@@ -217,12 +217,12 @@ on_cache_object_get (GObject *source,
        if (error == NULL) {
                gck_object_cache_fill (GCK_OBJECT_CACHE (source), attrs);
                gck_attributes_unref (attrs);
+               g_task_return_boolean (task, TRUE);
        } else {
-               g_simple_async_result_take_error (res, error);
+               g_task_return_error (task, g_steal_pointer (&error));
        }
 
-       g_simple_async_result_complete (res);
-       g_object_unref (res);
+       g_clear_object (&task);
 }
 
 /**
@@ -248,7 +248,7 @@ gck_object_cache_update_async (GckObjectCache *object,
                                gpointer user_data)
 {
        GckObjectCacheIface *iface;
-       GSimpleAsyncResult *res;
+       GTask *task;
 
        g_return_if_fail (GCK_IS_OBJECT_CACHE (object));
        g_return_if_fail (attr_types != NULL || n_attr_types == 0);
@@ -267,13 +267,13 @@ gck_object_cache_update_async (GckObjectCache *object,
                }
        }
 
-       res = g_simple_async_result_new (G_OBJECT (object), callback, user_data,
-                                        gck_object_cache_update_async);
+       task = g_task_new (object, cancellable, callback, user_data);
+       g_task_set_source_tag (task, gck_object_cache_update_async);
 
        gck_object_get_async (GCK_OBJECT (object), attr_types, n_attr_types,
-                             cancellable, on_cache_object_get, g_object_ref (res));
+                             cancellable, on_cache_object_get, g_steal_pointer (&task));
 
-       g_object_unref (res);
+       g_clear_object (&task);
 }
 
 /**
@@ -293,14 +293,10 @@ gck_object_cache_update_finish (GckObjectCache *object,
                                 GError **error)
 {
        g_return_val_if_fail (GCK_IS_OBJECT_CACHE (object), FALSE);
-       g_return_val_if_fail (g_simple_async_result_is_valid (result, G_OBJECT (object),
-                             gck_object_cache_update_async), FALSE);
+       g_return_val_if_fail (g_task_is_valid (result, object), FALSE);
        g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
 
-       if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error))
-               return FALSE;
-
-       return TRUE;
+       return g_task_propagate_boolean (G_TASK (result), error);
 }
 
 static gboolean
@@ -404,26 +400,27 @@ gck_object_cache_lookup_async (GckObject *object,
                                GAsyncReadyCallback callback,
                                gpointer user_data)
 {
-       GSimpleAsyncResult *res;
-       GckAttributes *attrs;
-       GckObjectCache *cache;
-       gboolean have;
-
        g_return_if_fail (GCK_IS_OBJECT (object));
        g_return_if_fail (attr_types != NULL || n_attr_types == 0);
        g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
 
        if (GCK_IS_OBJECT_CACHE (object)) {
+               GckObjectCache *cache;
+               GckAttributes *attrs;
+               gboolean have;
+
                cache = GCK_OBJECT_CACHE (object);
                attrs = gck_object_cache_get_attributes (cache);
                have = check_have_attributes (attrs, attr_types, n_attr_types);
                gck_attributes_unref (attrs);
 
                if (have) {
-                       res = g_simple_async_result_new (G_OBJECT (cache), callback, user_data,
-                                                        gck_object_cache_lookup_async);
-                       g_simple_async_result_complete_in_idle (res);
-                       g_object_unref (res);
+                       GTask *task;
+
+                       task = g_task_new (cache, cancellable, callback, user_data);
+                       g_task_set_source_tag (task, gck_object_cache_lookup_async);
+                       g_task_return_boolean (task, TRUE);
+                       g_clear_object (&task);
                } else {
                        gck_object_cache_update_async (cache, attr_types, n_attr_types,
                                                       cancellable, callback, user_data);
@@ -457,13 +454,11 @@ gck_object_cache_lookup_finish (GckObject *object,
 
        if (GCK_IS_OBJECT_CACHE (object)) {
                cache = GCK_OBJECT_CACHE (object);
-               if (!g_simple_async_result_is_valid (result, G_OBJECT (object),
-                                                    gck_object_cache_lookup_async))
+               if (!g_task_is_valid (result, object))
                        if (!gck_object_cache_update_finish (cache, result, error))
                                return NULL;
                return gck_object_cache_get_attributes (cache);
-       } else {
-
-               return gck_object_get_finish (object, result, error);
        }
+
+       return gck_object_get_finish (object, result, error);
 }


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