$chat_newrow = ($chat_lastrow + $num) % 2;
// no & in url, does not work in header!
- $refreshurl = "{$CFG->wwwroot}/mod/chat/gui_header_js/jsupdate.php?chat_sid=$chat_sid&chat_lasttime=$chat_newlasttime&chat_lastrow=$chat_newrow";
- $refreshurlamp = "{$CFG->wwwroot}/mod/chat/gui_header_js/jsupdate.php?chat_sid=$chat_sid&chat_lasttime=$chat_newlasttime&chat_lastrow=$chat_newrow";
+ $refreshurl = "{$CFG->wwwroot}/mod/chat/gui_header_js/jsupdate.php?chat_sid=$chat_sid&chat_lasttime=$chat_newlasttime&chat_lastrow=$chat_newrow";
+ $refreshurlamp = "{$CFG->wwwroot}/mod/chat/gui_header_js/jsupdate.php?chat_sid=$chat_sid&chat_lasttime=$chat_newlasttime&chat_lastrow=$chat_newrow";
header('Expires: Sun, 28 Dec 1997 09:32:45 GMT');
header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script type="text/javascript">
//<![CDATA[
- if (parent.msg.document.getElementById("msgStarted") == null) {
+ if (parent.msg && parent.msg.document.getElementById("msgStarted") == null) {
parent.msg.document.close();
parent.msg.document.open("text/html","replace");
parent.msg.document.write("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">");
$refreshusers = true;
}
$us[$message->userid] = $timenow - $message->timestamp;
+ echo "if(parent.msg)";
echo "parent.msg.document.write('".addslashes_js($formatmessage->html)."\\n');\n";
}
}
$DB->set_field('chat_users', 'lastping', $chatuser->lastping, array('id'=>$chatuser->id));
if ($refreshusers) {
- echo "if (parent.users.document.anchors[1] != null) {" .
- "parent.users.location.href = parent.users.document.anchors[1].href;}\n";
+ ?>
+ var link = parent.users.document.getElementById('refreshLink');
+ if (link != null) {
+ parent.users.location.href = link.href;
+ }
+ <?php
} else {
foreach($us as $uid=>$lastping) {
$min = (int) ($lastping/60);
$min = $min < 10 ? '0'.$min : $min;
$sec = $sec < 10 ? '0'.$sec : $sec;
$idle = $min.':'.$sec;
- echo "if (parent.users.document.getElementById('uidle{$uid}') != null) {".
+ echo "if (parent.users && parent.users.document.getElementById('uidle{$uid}') != null) {".
"parent.users.document.getElementById('uidle{$uid}').innerHTML = '$idle';}\n";
}
}
?>
- parent.msg.scroll(1,5000000);
+ if(parent.msg)
+ parent.msg.scroll(1,5000000);
//]]>
</script>
</head>
// support HTTP Keep-Alive
header("Content-Length: " . ob_get_length() );
-ob_end_flush();
+ob_end_flush();
exit;
$strbeep = get_string('beep', 'chat');
- echo '<div style="display: none"><a href="'.$refreshurl.'" name="refreshLink">Refresh link</a></div>';
+ echo '<div style="display: none"><a href="'.$refreshurl.'" id="refreshLink">Refresh link</a></div>';
echo '<table width="100%">';
foreach ($chatusers as $chatuser) {
$lastping = $timenow - $chatuser->lastmessageping;
//
// Support HTTP Keep-Alive by printing Content-Length
//
- // If the user pane is refreshing often, using keepalives
- // is lighter on the server and faster for most clients.
+ // If the user pane is refreshing often, using keepalives
+ // is lighter on the server and faster for most clients.
//
- // Apache is normally configured to have a 15s timeout on
+ // Apache is normally configured to have a 15s timeout on
// keepalives, so let's observe that. Unfortunately, we cannot
- // autodetect the keepalive timeout.
+ // autodetect the keepalive timeout.
//
// Using keepalives when the refresh is longer than the timeout
- // wastes server resources keeping an apache child around on a
- // connection that will timeout. So we don't.
- if ($CFG->chat_refresh_userlist < 15) {
+ // wastes server resources keeping an apache child around on a
+ // connection that will timeout. So we don't.
+ if ($CFG->chat_refresh_userlist < 15) {
header("Content-Length: " . ob_get_length() );
- ob_end_flush();
+ ob_end_flush();
}
exit; // no further output
projects / moodle.git / commitdiff