file-online-preview/server/libreoffice/share/config/webcast/poll.pl

50 lines
1.5 KiB
Java

#!/usr/bin/env perl
#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This file incorporates work covered by the following license notice:
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed
# with this work for additional information regarding copyright
# ownership. The ASF licenses this file to you under the Apache
# License, Version 2.0 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.apache.org/licenses/LICENSE-2.0 .
#
require "common.pl";
print "Content-type: text/html\n\n";
print "<HTML>";
# get current and last shown picture id
$sCurrPic = join( "", common::File_read( "currpic.txt" ) );
%aRequestMap = common::HTTP_getRequest();
$sLastPic = $aRequestMap{ "LastPic" };
print "<HEAD>";
print "<META http-equiv=\"refresh\" CONTENT=\"" . $common::REFRESH_TIME . "; URL=poll.pl?LastPic=" . $sCurrPic . "\">";
print "</HEAD>";
#' a new picture was chosen ?
if( $sLastPic ne $sCurrPic )
{
# then show the new picture
print "<BODY bgcolor=\"red\" onLoad=\"parent.frame1.location.href='./show.pl?" . $sCurrPic . "'\">";
}
else
{
# otherwise do nothing
print "<BODY bgcolor=\"green\">";
}
print "</BODY>";
print "</HTML>";