Do not update webviews that are not rendered.

diff --git a/CyteKit/WebViewController.mm b/CyteKit/WebViewController.mm
index 520faa254bfe5c4257ffa88d62dbc0a7b73c86ac..4dc94ef663ec065f4a9e55cdd95b6e20b33cbfa5 100644 (file)
--- a/CyteKit/WebViewController.mm
+++ b/CyteKit/WebViewController.mm
@@ -775,6 +775,9 @@ float CYScrollViewDecelerationRateNormal;
         [preferences setJavaScriptCanOpenWindowsAutomatically:YES];
         [preferences setOfflineWebApplicationCacheEnabled:YES];
 
+        if ([webview respondsToSelector:@selector(setShouldUpdateWhileOffscreen:)])
+            [webview setShouldUpdateWhileOffscreen:NO];
+
 #if LogMessages
         if ([document respondsToSelector:@selector(setAllowsMessaging:)])
             [document setAllowsMessaging:YES];