FileSaver: add save_metadata(), sync and async versions

3 files changed, 158 insertions, 0 deletions

diff --git a/docs/reference/gtksourceview-3.0-sections.txt b/docs/reference/gtksourceview-3.0-sections.txt
index be54a3c0..03fea7e1 100644
--- a/docs/reference/gtksourceview-3.0-sections.txt
+++ b/docs/reference/gtksourceview-3.0-sections.txt
@@ -329,6 +329,9 @@ gtk_source_file_saver_set_flags
 gtk_source_file_saver_get_flags
 gtk_source_file_saver_save_async
 gtk_source_file_saver_save_finish
+gtk_source_file_saver_save_metadata
+gtk_source_file_saver_save_metadata_async
+gtk_source_file_saver_save_metadata_finish
 <SUBSECTION Standard>
 GTK_SOURCE_FILE_SAVER
 GTK_SOURCE_FILE_SAVER_CLASS
diff --git a/gtksourceview/gtksourcefilesaver.c b/gtksourceview/gtksourcefilesaver.c
index cfeff1d0..247129e6 100644
--- a/gtksourceview/gtksourcefilesaver.c
+++ b/gtksourceview/gtksourcefilesaver.c
@@ -1487,3 +1487,139 @@ gtk_source_file_saver_save_finish (GtkSourceFileSaver  *saver,
 
 	return ok;
 }
+
+/**
+ * gtk_source_file_saver_save_metadata:
+ * @saver: a #GtkSourceFileSaver.
+ * @cancellable: (nullable): optional #GCancellable object, %NULL to ignore.
+ * @error: location to a %NULL #GError, or %NULL.
+ *
+ * Saves synchronously the metadata.
+ *
+ * Returns: whether the metadata was saved successfully.
+ * Since: 3.22
+ */
+gboolean
+gtk_source_file_saver_save_metadata (GtkSourceFileSaver  *saver,
+				     GCancellable        *cancellable,
+				     GError             **error)
+{
+	GFileInfo *metadata;
+
+	g_return_val_if_fail (GTK_SOURCE_IS_FILE_SAVER (saver), FALSE);
+	g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), FALSE);
+	g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+	if (saver->priv->file == NULL ||
+	    saver->priv->location == NULL)
+	{
+		return FALSE;
+	}
+
+	metadata = _gtk_source_file_get_metadata_info (saver->priv->file);
+
+	return g_file_set_attributes_from_info (saver->priv->location,
+						metadata,
+						G_FILE_QUERY_INFO_NONE,
+						cancellable,
+						error);
+}
+
+static void
+save_metadata_async_cb (GFile        *location,
+			GAsyncResult *result,
+			GTask        *task)
+{
+	GError *error = NULL;
+
+	DEBUG ({
+	       g_print ("%s\n", G_STRFUNC);
+	});
+
+	g_file_set_attributes_finish (location, result, NULL, &error);
+
+	if (error != NULL)
+	{
+		DEBUG ({
+		       g_print ("Save metadata error: %s\n", error->message);
+		});
+
+		g_task_return_error (task, error);
+		g_object_unref (task);
+		return;
+	}
+
+	g_task_return_boolean (task, TRUE);
+	g_object_unref (task);
+}
+
+/**
+ * gtk_source_file_saver_save_metadata_async:
+ * @saver: a #GtkSourceFileSaver.
+ * @io_priority: the I/O priority of the request. E.g. %G_PRIORITY_LOW,
+ *   %G_PRIORITY_DEFAULT or %G_PRIORITY_HIGH.
+ * @cancellable: (nullable): optional #GCancellable object, %NULL to ignore.
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request is
+ *   satisfied.
+ * @user_data: user data to pass to @callback.
+ *
+ * Saves asynchronously the metadata. See the #GAsyncResult documentation to
+ * know how to use this function.
+ *
+ * Since: 3.22
+ */
+void
+gtk_source_file_saver_save_metadata_async (GtkSourceFileSaver  *saver,
+					   gint                 io_priority,
+					   GCancellable        *cancellable,
+					   GAsyncReadyCallback  callback,
+					   gpointer             user_data)
+{
+	GTask *task;
+	GFileInfo *metadata;
+
+	g_return_if_fail (GTK_SOURCE_IS_FILE_SAVER (saver));
+	g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
+
+	if (saver->priv->file == NULL ||
+	    saver->priv->location == NULL)
+	{
+		return;
+	}
+
+	task = g_task_new (saver, cancellable, callback, user_data);
+
+	metadata = _gtk_source_file_get_metadata_info (saver->priv->file);
+
+	g_file_set_attributes_async (saver->priv->location,
+				     metadata,
+				     G_FILE_QUERY_INFO_NONE,
+				     io_priority,
+				     cancellable,
+				     (GAsyncReadyCallback) save_metadata_async_cb,
+				     task);
+}
+
+/**
+ * gtk_source_file_saver_save_metadata_finish:
+ * @saver: a #GtkSourceFileSaver.
+ * @result: a #GAsyncResult.
+ * @error: location to a %NULL #GError, or %NULL.
+ *
+ * Finishes the metadata saving started with
+ * gtk_source_file_saver_save_metadata_async().
+ *
+ * Returns: whether the metadata was saved successfully.
+ * Since: 3.22
+ */
+gboolean
+gtk_source_file_saver_save_metadata_finish (GtkSourceFileSaver  *saver,
+					    GAsyncResult        *result,
+					    GError             **error)
+{
+	g_return_val_if_fail (GTK_SOURCE_IS_FILE_SAVER (saver), FALSE);
+	g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+	g_return_val_if_fail (g_task_is_valid (result, saver), FALSE);
+
+	return g_task_propagate_boolean (G_TASK (result), error);
+}
diff --git a/gtksourceview/gtksourcefilesaver.h b/gtksourceview/gtksourcefilesaver.h
index 3a424531..be88687a 100644
--- a/gtksourceview/gtksourcefilesaver.h
+++ b/gtksourceview/gtksourcefilesaver.h
@@ -161,6 +161,25 @@ gboolean		 gtk_source_file_saver_save_finish	(GtkSourceFileSaver       *saver,
 								 GAsyncResult             *result,
 								 GError                  **error);
 
+GTK_SOURCE_AVAILABLE_IN_3_22
+gboolean		 gtk_source_file_saver_save_metadata	(GtkSourceFileSaver       *saver,
+								 GCancellable             *cancellable,
+								 GError                  **error);
+
+GTK_SOURCE_AVAILABLE_IN_3_22
+void			 gtk_source_file_saver_save_metadata_async
+								(GtkSourceFileSaver       *saver,
+								 gint                      io_priority,
+								 GCancellable             *cancellable,
+								 GAsyncReadyCallback       callback,
+								 gpointer                  user_data);
+
+GTK_SOURCE_AVAILABLE_IN_3_22
+gboolean		 gtk_source_file_saver_save_metadata_finish
+								(GtkSourceFileSaver       *saver,
+								 GAsyncResult             *result,
+								 GError                  **error);
+
 G_END_DECLS
 
 #endif  /* GTK_SOURCE_FILE_SAVER_H  */