sd/res/webview/poll.pl

   1 #!/usr/bin/perl
   2 #
   3 # This file is part of the LibreOffice project.
   4 #
   5 # This Source Code Form is subject to the terms of the Mozilla Public
   6 # License, v. 2.0. If a copy of the MPL was not distributed with this
   7 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8 #
   9 # This file incorporates work covered by the following license notice:
  10 #
  11 #   Licensed to the Apache Software Foundation (ASF) under one or more
  12 #   contributor license agreements. See the NOTICE file distributed
  13 #   with this work for additional information regarding copyright
  14 #   ownership. The ASF licenses this file to you under the Apache
  15 #   License, Version 2.0 (the "License"); you may not use this file
  16 #   except in compliance with the License. You may obtain a copy of
  17 #   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18 #
  19
  20 require "common.pl";
  21
  22 print "Content-type: text/html\n\n";
  23 print "<HTML>";
  24
  25 # get current and last shown picture id
  26 $sCurrPic = join( "", common::File_read( "currpic.txt" ) );
  27
  28 %aRequestMap = common::HTTP_getRequest();
  29 $sLastPic = $aRequestMap{ "LastPic" };
  30
  31 print "<HEAD>";
  32     print "<META http-equiv=\"refresh\" CONTENT=\"" . $common::REFRESH_TIME . "; URL=poll.pl?LastPic=" . $sCurrPic . "\">";
  33 print "</HEAD>";
  34
  35 #' a new picture was chosen ?
  36 if( $sLastPic ne $sCurrPic )
  37 {
  38     # then show the new picture
  39     print "<BODY bgcolor=\"red\" onLoad=\"parent.frame1.location.href='./show.pl?" . $sCurrPic . "'\">";
  40 }
  41 else
  42 {
  43     # otherwise do nothing
  44     print "<BODY bgcolor=\"green\">";
  45 }
  46
  47 print "</BODY>";
  48
  49 print "</HTML>";