| #!/usr/bin/perl |
| # ************************************************************* |
| # |
| # 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 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| # ************************************************************* |
| |
| 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>"; |
