[PATCH 2/4] libmm-glib, messaging: port mm_modem_messaging_list to use GTask

[Aleksander Morgado]

On 24/06/17 05:00, Ben Chan wrote:
> ---
>  libmm-glib/mm-modem-messaging.c | 77 +++++++++++++++++------------------------
>  1 file changed, 32 insertions(+), 45 deletions(-)
> 

Pushed to git master, thanks.

> diff --git a/libmm-glib/mm-modem-messaging.c b/libmm-glib/mm-modem-messaging.c
> index a1994dd6..148f94f1 100644
> --- a/libmm-glib/mm-modem-messaging.c
> +++ b/libmm-glib/mm-modem-messaging.c
> @@ -219,9 +219,6 @@ mm_modem_messaging_get_default_storage (MMModemMessaging *self)
>  /*****************************************************************************/
>  
>  typedef struct {
> -    MMModemMessaging *self;
> -    GSimpleAsyncResult *result;
> -    GCancellable *cancellable;
>      gchar **sms_paths;
>      GList *sms_objects;
>      guint i;
> @@ -234,16 +231,10 @@ sms_object_list_free (GList *list)
>  }
>  
>  static void
> -list_sms_context_complete_and_free (ListSmsContext *ctx)
> +list_sms_context_free (ListSmsContext *ctx)
>  {
> -    g_simple_async_result_complete_in_idle (ctx->result);
> -
>      g_strfreev (ctx->sms_paths);
>      sms_object_list_free (ctx->sms_objects);
> -    g_object_unref (ctx->result);
> -    if (ctx->cancellable)
> -        g_object_unref (ctx->cancellable);
> -    g_object_unref (ctx->self);
>      g_slice_free (ListSmsContext, ctx);
>  }
>  
> @@ -262,69 +253,69 @@ mm_modem_messaging_list_finish (MMModemMessaging *self,
>                                  GAsyncResult *res,
>                                  GError **error)
>  {
> -    GList *list;
> -
>      g_return_val_if_fail (MM_IS_MODEM_MESSAGING (self), FALSE);
>  
> -    if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
> -        return NULL;
> -
> -    list = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res));
> -
> -    /* The list we got, including the objects within, is owned by the async result;
> -     * so we'll make sure we return a new list */
> -    return g_list_copy_deep (list, (GCopyFunc)g_object_ref, NULL);
> +    return g_task_propagate_pointer (G_TASK (res), error);
>  }
>  
> -static void create_next_sms (ListSmsContext *ctx);
> +static void create_next_sms (GTask *task);
>  
>  static void
>  list_build_object_ready (GDBusConnection *connection,
>                           GAsyncResult *res,
> -                         ListSmsContext *ctx)
> +                         GTask *task)
>  {
>      GError *error = NULL;
>      GObject *sms;
>      GObject *source_object;
> +    ListSmsContext *ctx;
>  
>      source_object = g_async_result_get_source_object (res);
>      sms = g_async_initable_new_finish (G_ASYNC_INITABLE (source_object), res, &error);
>      g_object_unref (source_object);
>  
>      if (error) {
> -        g_simple_async_result_take_error (ctx->result, error);
> -        list_sms_context_complete_and_free (ctx);
> +        g_task_return_error (task, error);
> +        g_object_unref (task);
>          return;
>      }
>  
> +    ctx = g_task_get_task_data (task);
> +
>      /* Keep the object */
>      ctx->sms_objects = g_list_prepend (ctx->sms_objects, sms);
>  
>      /* If no more smss, just end here. */
>      if (!ctx->sms_paths[++ctx->i]) {
> -        g_simple_async_result_set_op_res_gpointer (ctx->result,
> -                                                   ctx->sms_objects,
> -                                                   (GDestroyNotify)sms_object_list_free);
> -        ctx->sms_objects = NULL;
> -        list_sms_context_complete_and_free (ctx);
> +        GList *sms_objects;
> +
> +        sms_objects = g_list_copy_deep (ctx->sms_objects, (GCopyFunc)g_object_ref, NULL);
> +        g_task_return_pointer (task, sms_objects, (GDestroyNotify)sms_object_list_free);
> +        g_object_unref (task);
>          return;
>      }
>  
>      /* Keep on creating next object */
> -    create_next_sms (ctx);
> +    create_next_sms (task);
>  }
>  
>  static void
> -create_next_sms (ListSmsContext *ctx)
> +create_next_sms (GTask *task)
>  {
> +    MMModemMessaging *self;
> +    ListSmsContext *ctx;
> +
> +    self = g_task_get_source_object (task);
> +    ctx = g_task_get_task_data (task);
> +
>      g_async_initable_new_async (MM_TYPE_SMS,
>                                  G_PRIORITY_DEFAULT,
> -                                ctx->cancellable,
> +                                g_task_get_cancellable (task),
>                                  (GAsyncReadyCallback)list_build_object_ready,
> -                                ctx,
> +                                task,
>                                  "g-flags",          G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
>                                  "g-name",           MM_DBUS_SERVICE,
> -                                "g-connection",     g_dbus_proxy_get_connection (G_DBUS_PROXY (ctx->self)),
> +                                "g-connection",     g_dbus_proxy_get_connection (G_DBUS_PROXY (self)),
>                                  "g-object-path",    ctx->sms_paths[ctx->i],
>                                  "g-interface-name", "org.freedesktop.ModemManager1.Sms",
>                                  NULL);
> @@ -351,30 +342,26 @@ mm_modem_messaging_list (MMModemMessaging *self,
>                           gpointer user_data)
>  {
>      ListSmsContext *ctx;
> +    GTask *task;
>  
>      g_return_if_fail (MM_IS_MODEM_MESSAGING (self));
>  
>      ctx = g_slice_new0 (ListSmsContext);
> -    ctx->self = g_object_ref (self);
> -    ctx->result = g_simple_async_result_new (G_OBJECT (self),
> -                                             callback,
> -                                             user_data,
> -                                             mm_modem_messaging_list);
> -    if (cancellable)
> -        ctx->cancellable = g_object_ref (cancellable);
> -
>      ctx->sms_paths = mm_gdbus_modem_messaging_dup_messages (MM_GDBUS_MODEM_MESSAGING (self));
>  
> +    task = g_task_new (self, cancellable, callback, user_data);
> +    g_task_set_task_data (task, ctx, (GDestroyNotify)list_sms_context_free);
> +
>      /* If no SMS, just end here. */
>      if (!ctx->sms_paths || !ctx->sms_paths[0]) {
> -        g_simple_async_result_set_op_res_gpointer (ctx->result, NULL, NULL);
> -        list_sms_context_complete_and_free (ctx);
> +        g_task_return_pointer (task, NULL, NULL);
> +        g_object_unref (task);
>          return;
>      }
>  
>      /* Got list of paths. If at least one found, start creating objects for each */
>      ctx->i = 0;
> -    create_next_sms (ctx);
> +    create_next_sms (task);
>  }
>  
>  /**
> 


-- 
Aleksander
https://aleksander.es