initial draft of the RDA shared library

1 files changed, 132 insertions, 0 deletions

diff --git a/src/rda.c b/src/rda.c
new file mode 100644
index 0000000..ce7b1af
--- /dev/null
+++ b/src/rda.c
@@ -0,0 +1,132 @@
+/* -*- Mode: C; c-set-style: linux indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* rda.c - Remote Desktop Awareness
+
+   Copyright (C) 2018 Mike Gabriel
+   All rights reserved.
+
+   The RDA Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The RDA 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Mate Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <rda.h>
+#include <rda_x2go.h>
+
+guint
+remote_technology = REMOTE_TECHNOLOGY_UNCHECKED;
+
+void
+rda_init (void)
+{
+	rda_session_is_remote();
+}
+
+gboolean
+rda_session_is_local(void)
+{
+	/*
+	 * FIXME: how can we detect that a desktop session is running locally?
+	 */
+	return (!rda_session_is_remote());
+}
+
+gboolean
+rda_session_is_remote (void)
+{
+	if (rda_session_is_x2go())
+		return TRUE;
+
+	/* possibly add more checks for other remote desktop technologies */
+
+	else if (rda_session_is_local())
+		remote_technology = REMOTE_TECHNOLOGY_NONE;
+
+	else
+		remote_technology = REMOTE_TECHNOLOGY_UNKNOWN;
+
+	return FALSE;
+}
+
+guint
+rda_get_remote_technology(void)
+{
+	if (remote_technology == REMOTE_TECHNOLOGY_UNCHECKED)
+		rda_init();
+
+	return remote_technology;
+}
+
+gchar *
+rda_get_remote_technology_name (void)
+{
+	if (remote_technology == REMOTE_TECHNOLOGY_UNCHECKED)
+		rda_init();
+
+	gchar* remote_technology_name;
+
+	switch(remote_technology) {
+
+		case REMOTE_TECHNOLOGY_NONE:
+			remote_technology_name = _("local");
+			break;
+
+		case REMOTE_TECHNOLOGY_X2GO:
+			remote_technology_name = _("X2Go");
+			break;
+
+		case REMOTE_TECHNOLOGY_UNKNOWN:
+			remote_technology_name = _("unknown");
+
+		default:
+			remote_technology_name = g_strdup("");
+
+	}
+
+	return remote_technology_name;
+}
+
+gboolean
+rda_session_can_be_suspended(void)
+{
+	if (rda_session_is_x2go())
+		return TRUE;
+
+	/* possibly add more checks for other remote desktop frameworks
+	   that have a session suspension feature */
+
+	return FALSE;
+}
+
+gboolean
+rda_session_suspend(void)
+{
+	if (rda_session_is_x2go())
+		return rda_session_suspend_x2go();
+
+	return FALSE;
+}
+
+gboolean
+rda_session_terminate(void)
+{
+	if (rda_session_is_x2go())
+		return rda_session_terminate_x2go();
+
+	return FALSE;
+}