moodle/message/refresh.php

116 lines
4.5 KiB
PHP

<?php // $Id$
require('../config.php');
define('MESSAGE_DEFAULT_REFRESH', 5);
require_login();
if (isguest()) {
redirect($CFG->wwwroot);
}
if (empty($CFG->messaging)) {
error("Messaging is disabled on this site");
}
/// Script parameters
$userid = required_param('id', PARAM_INT);
$userfullname = strip_tags(required_param('name', PARAM_RAW));
$wait = optional_param('wait', MESSAGE_DEFAULT_REFRESH, PARAM_INT);
$stylesheetshtml = '';
foreach ($CFG->stylesheets as $stylesheet) {
$stylesheetshtml .= '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'" />';
}
header('Expires: Sun, 28 Dec 1997 09:32:45 GMT');
header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');
header('Content-Type: text/html; charset=utf-8');
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'."\n";
echo '<html><head><title> </title>';
echo '<meta http-equiv="content-type" content="text/html; charset=utf-8" />';
echo '<script type="text/javascript">'."\n";
echo '<!--'."\n";
echo 'if (parent.messages.document.getElementById("messagestarted") == null) {'."\n";
echo ' parent.messages.document.close();'."\n";
echo ' parent.messages.document.open("text/html","replace");'."\n";
echo ' parent.messages.document.write("<html><head><title> <\/title>");'."\n";
echo ' parent.messages.document.write("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" />");'."\n";
echo ' parent.messages.document.write("<base target=\"_blank\" />");'."\n";
echo ' parent.messages.document.write("'.addslashes_js($stylesheetshtml).'");'."\n";
echo ' parent.messages.document.write("<\/head><body class=\"message course-1\" id=\"message-messages\"><div style=\"display: none\" id=\"messagestarted\">&nbsp;<\/div>");'."\n";
echo '}'."\n";
@ob_implicit_flush(true);
@ob_end_flush();
if ($messages = get_records_select('message', "useridto = '$USER->id' AND useridfrom = '$userid'",
'timecreated')) {
foreach ($messages as $message) {
$time = userdate($message->timecreated, get_string('strftimedaytime'));
$options = new object();
$options->para = false;
$options->newlines = true;
$printmessage = format_text($message->message, $message->format, $options);
$printmessage = '<div class="message other"><span class="author">'.s($userfullname).'</span> '.
'<span class="time">['.$time.']</span>: '.
'<span class="content">'.$printmessage.'</span></div>';
$printmessage = addslashes_js($printmessage); // So Javascript can write it
echo "parent.messages.document.write('".$printmessage."');\n";
/// Move the entry to the other table
$message->timeread = time();
$message = addslashes_object($message);
$messageid = $message->id;
unset($message->id);
if (insert_record('message_read', $message)) {
delete_records('message', 'id', $messageid);
}
}
if (get_user_preferences('message_beepnewmessage', 0)) {
$playbeep = true;
}
echo 'parent.messages.scroll(1,5000000);'."\n";
echo 'parent.send.focus();'."\n";
$wait = MESSAGE_DEFAULT_REFRESH;
} else {
if ($wait < 300) { // Until the wait is five minutes
$wait = ceil(1.2 * (float)$wait); // Exponential growth
}
}
echo '-->'."\n";
echo '</script>'."\n";
echo '</head>'."\n";
echo '<body>'."\n";
if (!empty($playbeep)) {
echo '<embed src="bell.wav" autostart="true" hidden="true" name="bell" />';
echo '<script type="text/javascript">'."\n";
echo '<!--'."\n";
echo 'parent.send.focus();'."\n";
echo '-->'."\n";
echo '</script>'."\n";
}
// Javascript for Mozilla to cope with the redirect bug from editor being on in this page
?>
<script type="text/javascript">
<!--
function redirect() {
document.location.replace('refresh.php?id=<?php echo $userid ?>&name=<?php echo urlencode($userfullname) ?>&wait=<?php echo $wait ?>');
}
setTimeout("redirect()", <?php echo ($wait*1000) ?>);
-->
</script>
</body>
</html>