1 files changed, 33 insertions, 0 deletions
diff --git a/panels/sound/cc-fade-slider.h b/panels/sound/cc-fade-slider.h
new file mode 100644
index 0000000..92b8041
--- /dev/null
+++ b/panels/sound/cc-fade-slider.h
@@ -0,0 +1,33 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2018 Canonical Ltd.
+ *
+ * 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 2 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
+ * Lesser 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 <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <gtk/gtk.h>
+#include <pulse/pulseaudio.h>
+#include <gvc-channel-map.h>
+
+G_BEGIN_DECLS
+
+#define CC_TYPE_FADE_SLIDER (cc_fade_slider_get_type ())
+G_DECLARE_FINAL_TYPE (CcFadeSlider, cc_fade_slider, CC, FADE_SLIDER, GtkBox)
+
+void cc_fade_slider_set_channel_map (CcFadeSlider  *slider,
+                                     GvcChannelMap *channel_map);
+
+G_END_DECLS