1 files changed, 92 insertions, 0 deletions
diff --git a/app/core/gimptriviallycancelablewaitable.c b/app/core/gimptriviallycancelablewaitable.c
new file mode 100644
index 0000000..d90a9cb
--- /dev/null
+++ b/app/core/gimptriviallycancelablewaitable.c
@@ -0,0 +1,92 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimptriviallycancelablewaitable.c
+ * Copyright (C) 2018 Ell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "core-types.h"
+
+#include "gimpcancelable.h"
+#include "gimptriviallycancelablewaitable.h"
+#include "gimpwaitable.h"
+
+
+/*  local function prototypes  */
+
+static void   gimp_trivially_cancelable_waitable_cancelable_iface_init (GimpCancelableInterface *iface);
+
+static void   gimp_trivially_cancelable_waitable_cancel                (GimpCancelable          *cancelable);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpTriviallyCancelableWaitable, gimp_trivially_cancelable_waitable, GIMP_TYPE_UNCANCELABLE_WAITABLE,
+                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_CANCELABLE,
+                                                gimp_trivially_cancelable_waitable_cancelable_iface_init))
+
+#define parent_class gimp_trivially_cancelable_waitable_parent_class
+
+
+/*  private functions  */
+
+
+static void
+gimp_trivially_cancelable_waitable_class_init (GimpTriviallyCancelableWaitableClass *klass)
+{
+}
+
+static void
+gimp_trivially_cancelable_waitable_cancelable_iface_init (GimpCancelableInterface *iface)
+{
+  iface->cancel = gimp_trivially_cancelable_waitable_cancel;
+}
+
+static void
+gimp_trivially_cancelable_waitable_init (GimpTriviallyCancelableWaitable *trivially_cancelable_waitable)
+{
+}
+
+static void
+gimp_trivially_cancelable_waitable_cancel (GimpCancelable *cancelable)
+{
+  GimpUncancelableWaitable *uncancelable_waitable =
+    GIMP_UNCANCELABLE_WAITABLE (cancelable);
+
+  g_clear_object (&uncancelable_waitable->waitable);
+}
+
+
+/*  public functions  */
+
+
+GimpWaitable *
+gimp_trivially_cancelable_waitable_new (GimpWaitable *waitable)
+{
+  GimpUncancelableWaitable *uncancelable_waitable;
+
+  g_return_val_if_fail (GIMP_IS_WAITABLE (waitable), NULL);
+
+  uncancelable_waitable = g_object_new (GIMP_TYPE_TRIVIALLY_CANCELABLE_WAITABLE,
+                                        NULL);
+
+  uncancelable_waitable->waitable = g_object_ref (waitable);
+
+  return GIMP_WAITABLE (uncancelable_waitable);
+}