1 files changed, 152 insertions, 0 deletions
diff --git a/src/gtask-helper.c b/src/gtask-helper.c
new file mode 100644
index 0000000..2dd042f
--- /dev/null
+++ b/src/gtask-helper.c
@@ -0,0 +1,152 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2016 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.0 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+*/
+#include "config.h"
+
+#include "gtask-helper.h"
+
+typedef struct _GTaskHelperData
+{
+    GTask *task;
+    GError *error;
+    gint integer;
+    gboolean boolean;
+    gpointer pointer;
+    GDestroyNotify destroy_notify_cb;
+} GTaskHelperData;
+
+static GTaskHelperData *
+g_task_helper_new(void)
+{
+    return g_new0(GTaskHelperData, 1);
+}
+
+static void
+g_task_helper_data_free(GTaskHelperData *data)
+{
+    g_clear_object(&data->task);
+    g_free(data);
+}
+
+static gboolean
+complete_in_idle_boolean_cb(gpointer user_data)
+{
+    GTaskHelperData *data = user_data;
+
+    g_task_return_boolean(data->task, data->boolean);
+    g_task_helper_data_free(data);
+
+    return FALSE;
+}
+
+static gboolean
+complete_in_idle_integer_cb(gpointer user_data)
+{
+    GTaskHelperData *data = user_data;
+
+    g_task_return_int(data->task, data->integer);
+    g_task_helper_data_free(data);
+
+    return FALSE;
+}
+
+static gboolean
+complete_in_idle_error_cb(gpointer user_data)
+{
+    GTaskHelperData *data = user_data;
+
+    g_task_return_error(data->task, data->error);
+    g_task_helper_data_free(data);
+
+    return FALSE;
+}
+
+static gboolean
+complete_in_idle_pointer_cb(gpointer user_data)
+{
+    GTaskHelperData *data = user_data;
+
+    g_task_return_pointer(data->task, data->pointer, data->destroy_notify_cb);
+    g_task_helper_data_free(data);
+
+    return FALSE;
+}
+
+void
+g_task_helper_return_boolean(GTask *task,
+                             gboolean boolean)
+{
+    GTaskHelperData *data = g_task_helper_new();
+    data->task = g_object_ref(task);
+    data->boolean = boolean;
+
+    g_idle_add(complete_in_idle_boolean_cb, data);
+}
+
+void
+g_task_helper_return_integer(GTask *task,
+                             gint integer)
+{
+    GTaskHelperData *data = g_task_helper_new();
+    data->task = g_object_ref(task);
+    data->integer = integer;
+
+    g_idle_add(complete_in_idle_integer_cb, data);
+}
+
+
+void
+g_task_helper_return_error(GTask *task,
+                           GError *error)
+{
+    GTaskHelperData *data = g_task_helper_new();
+    data->task = g_object_ref(task);
+    g_propagate_error(&data->error, error);
+
+    g_idle_add(complete_in_idle_error_cb, data);
+}
+
+void
+g_task_helper_return_new_error(GTask *task,
+                               GQuark domain,
+                               gint code,
+                               const char *format,
+                               ...)
+{
+    GTaskHelperData *data = g_task_helper_new();
+    va_list args;
+
+    data->task = g_object_ref(task);
+    va_start(args, format);
+    data->error = g_error_new_valist(domain, code, format, args);
+    va_end(args);
+
+    g_idle_add(complete_in_idle_error_cb, data);
+}
+
+void g_task_helper_return_pointer(GTask *task,
+                                  gpointer pointer,
+                                  GDestroyNotify destroy_notify_cb)
+{
+    GTaskHelperData *data = g_task_helper_new();
+    data->task = g_object_ref(task);
+    data->pointer = pointer;
+    data->destroy_notify_cb = destroy_notify_cb;
+
+    g_idle_add(complete_in_idle_pointer_cb, data);
+}