[gnome-photos/wip/rishi/misc-fixes: 16/20] base-item: Add photos_base_item_save_to_dir_async

[Debarshi Ray <debarshir src gnome org>]

commit 542a152be8d5049c20ad61573ab55e19886dcca0
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Dec 22 20:17:50 2015 +0100

    base-item: Add photos_base_item_save_to_dir_async

 src/photos-base-item.c |   70 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/photos-base-item.h |   10 +++++++
 2 files changed, 80 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-base-item.c b/src/photos-base-item.c
index 0883633..5ba8baf 100644
--- a/src/photos-base-item.c
+++ b/src/photos-base-item.c
@@ -1065,6 +1065,29 @@ photos_base_item_save_replace (GObject *source_object, GAsyncResult *res, gpoint
 
 
 static void
+photos_base_item_save_to_dir_save (GObject *source_object, GAsyncResult *res, gpointer user_data)
+{
+  GTask *task = G_TASK (user_data);
+  PhotosBaseItem *self;
+  GError *error;
+
+  self = PHOTOS_BASE_ITEM (g_task_get_source_object (task));
+
+  error = NULL;
+  if (!photos_base_item_save_finish (self, res, &error))
+    {
+      g_task_return_error (task, error);
+      goto out;
+    }
+
+  g_task_return_boolean (task, TRUE);
+
+ out:
+  g_object_unref (task);
+}
+
+
+static void
 photos_base_item_set_thumbnailing_icon (PhotosBaseItem *self)
 {
   if (thumbnailing_icon == NULL)
@@ -2102,6 +2125,53 @@ photos_base_item_save_finish (PhotosBaseItem *self, GAsyncResult *res, GError **
 
 
 void
+photos_base_item_save_to_dir_async (PhotosBaseItem *self,
+                                    GFile *dir,
+                                    GCancellable *cancellable,
+                                    GAsyncReadyCallback callback,
+                                    gpointer user_data)
+{
+  PhotosBaseItemPrivate *priv;
+  GFile *file;
+  GTask *task;
+  gchar *uri;
+
+  g_return_if_fail (PHOTOS_IS_BASE_ITEM (self));
+  priv = self->priv;
+
+  g_return_if_fail (priv->edit_graph != NULL);
+  g_return_if_fail (priv->filename != NULL && priv->filename[0] != '\0');
+  g_return_if_fail (priv->load_graph != NULL);
+  g_return_if_fail (priv->processor != NULL);
+  g_return_if_fail (!gegl_processor_work (priv->processor, NULL));
+
+  task = g_task_new (self, cancellable, callback, user_data);
+  g_task_set_source_tag (task, photos_base_item_save_to_dir_async);
+
+  file = g_file_get_child (dir, priv->filename);
+  uri = g_file_get_uri (file);
+  photos_base_item_save_async (self, uri, NULL, photos_base_item_save_to_dir_save, g_object_ref (task));
+
+  g_free (uri);
+  g_object_unref (file);
+  g_object_unref (task);
+}
+
+
+gboolean
+photos_base_item_save_to_dir_finish (PhotosBaseItem *self, GAsyncResult *res, GError **error)
+{
+  GTask *task = G_TASK (res);
+
+  g_return_val_if_fail (g_task_is_valid (res, self), FALSE);
+  g_return_val_if_fail (g_task_get_source_tag (task) == photos_base_item_save_to_dir_async, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  return g_task_propagate_boolean (task, error);
+}
+
+
+void
 photos_base_item_set_default_app (PhotosBaseItem *self, GAppInfo *default_app)
 {
   PhotosBaseItemPrivate *priv = self->priv;
diff --git a/src/photos-base-item.h b/src/photos-base-item.h
index e67da4b..0cd8bc2 100644
--- a/src/photos-base-item.h
+++ b/src/photos-base-item.h
@@ -229,6 +229,16 @@ gboolean            photos_base_item_save_finish             (PhotosBaseItem *se
                                                               GAsyncResult *res,
                                                               GError **error);
 
+void                photos_base_item_save_to_dir_async       (PhotosBaseItem *self,
+                                                              GFile *dir,
+                                                              GCancellable *cancellable,
+                                                              GAsyncReadyCallback callback,
+                                                              gpointer user_data);
+
+gboolean            photos_base_item_save_to_dir_finish      (PhotosBaseItem *self,
+                                                              GAsyncResult *res,
+                                                              GError **error);
+
 void                photos_base_item_set_default_app         (PhotosBaseItem *self, GAppInfo *default_app);
 
 void                photos_base_item_set_default_app_name    (PhotosBaseItem *self, const gchar 
*default_app_name);