Remmina news dialog

- A new scheduler that is used by the stat sender and by the remmina news
- A dialog that show the latest news per each Remmina version, starting from this commit

1 files changed, 90 insertions, 0 deletions

diff --git a/src/remmina_scheduler.c b/src/remmina_scheduler.c
new file mode 100644
index 000000000..9d36595dd
--- /dev/null
+++ b/src/remmina_scheduler.c
@@ -0,0 +1,90 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2016-2019 Antenore Gatta, Giovanni Panozzo
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL. *  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so. *  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version. *  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
+ *
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#include <gio/gio.h>
+#include <glib/gi18n.h>
+#include <string.h>
+#include "remmina_scheduler.h"
+#include "remmina/remmina_trace_calls.h"
+
+static gboolean remmina_scheduler_periodic_check(gpointer user_data)
+{
+	TRACE_CALL(__func__);
+	rsSchedData *rssd = (rsSchedData *)user_data;
+
+	rssd->count++;
+	if (rssd->cb_func_ptr(rssd->cb_func_data) == G_SOURCE_REMOVE) {
+		g_free(rssd);
+		return G_SOURCE_REMOVE;
+	}
+	if (rssd->count <= 1) {
+		rssd->source = g_timeout_add_full(G_PRIORITY_LOW,
+						  rssd->interval,
+						  remmina_scheduler_periodic_check,
+						  rssd,
+						  NULL);
+		return G_SOURCE_REMOVE;
+	}
+	return G_SOURCE_CONTINUE;
+}
+
+void *remmina_scheduler_setup(GSourceFunc	cb,
+			      gpointer		cb_data,
+			      guint		first_interval,
+			      guint		interval)
+{
+	TRACE_CALL(__func__);
+	rsSchedData *rssd;
+	rssd = g_malloc(sizeof(rsSchedData));
+	rssd->cb_func_ptr = cb;
+	rssd->cb_func_data = cb_data;
+	rssd->interval = interval;
+	rssd->count = 0;
+	rssd->source = g_timeout_add_full(G_PRIORITY_LOW,
+					  first_interval,
+					  remmina_scheduler_periodic_check,
+					  rssd,
+					  NULL);
+	return (void *)rssd;
+}
+
+void remmina_schedluer_remove(void *s)
+{
+	TRACE_CALL(__func__);
+	rsSchedData *rssd = (rsSchedData *)s;
+	g_source_remove(rssd->source);
+	g_free(rssd);
+}