X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=bigscreen%2Frotatescreen.cpp;h=275b73ed0820c8806b9b8999ca0688528b929c47;hp=6b244e8df47501a26de5fe24dc07db4e91ce7039;hb=ef1894b4aa12db7fef35e1f62be0964fb7f6159e;hpb=3656053258d08923c47adaddb3c1d1460967bdb4

diff --git a/bigscreen/rotatescreen.cpp b/bigscreen/rotatescreen.cpp
index 6b244e8..275b73e 100644
--- a/bigscreen/rotatescreen.cpp
+++ b/bigscreen/rotatescreen.cpp
@@ -20,6 +20,8 @@ bool RotateScreen::check_invalidated()
 		return true;
 	if (needs_update())
 		return true;
+	if (!can_update())
+		return false;
 	
 	for (unsigned i = 0; i < subscreens.size(); ++i) {
 		if (subscreens[i].screen->check_invalidated())
@@ -147,6 +149,22 @@ bool RotateScreen::needs_update()
 	return (since >= 10.0);
 }
 
+// hold all screens for minimum three seconds, hold all screens with new info for at minimum eight seconds
+bool RotateScreen::can_update()
+{
+	struct timeval now;
+	gettimeofday(&now, NULL);
+
+	double since = double(now.tv_sec - last_update.tv_sec) +
+		double(now.tv_usec - last_update.tv_usec) * 1.0e-6;
+
+	if (since < 3.0)
+		return false;
+	if (fade_to_new_info && since < 8.0)
+		return false;
+	return true;
+}
+
 void RotateScreen::add_screen(GenericScreen *screen)
 {
 	Subscreen ss;