xref: /trunk/main/sd/res/webview/poll.pl (revision c667dd47)
1*c667dd47SPedro Giffuni#!/usr/bin/env perl
2bb113e63SAndrew Rist# *************************************************************
3bb113e63SAndrew Rist#
4bb113e63SAndrew Rist#  Licensed to the Apache Software Foundation (ASF) under one
5bb113e63SAndrew Rist#  or more contributor license agreements.  See the NOTICE file
6bb113e63SAndrew Rist#  distributed with this work for additional information
7bb113e63SAndrew Rist#  regarding copyright ownership.  The ASF licenses this file
8bb113e63SAndrew Rist#  to you under the Apache License, Version 2.0 (the
9bb113e63SAndrew Rist#  "License"); you may not use this file except in compliance
10bb113e63SAndrew Rist#  with the License.  You may obtain a copy of the License at
11bb113e63SAndrew Rist#
12bb113e63SAndrew Rist#    http://www.apache.org/licenses/LICENSE-2.0
13bb113e63SAndrew Rist#
14bb113e63SAndrew Rist#  Unless required by applicable law or agreed to in writing,
15bb113e63SAndrew Rist#  software distributed under the License is distributed on an
16bb113e63SAndrew Rist#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17bb113e63SAndrew Rist#  KIND, either express or implied.  See the License for the
18bb113e63SAndrew Rist#  specific language governing permissions and limitations
19bb113e63SAndrew Rist#  under the License.
20bb113e63SAndrew Rist#
21bb113e63SAndrew Rist# *************************************************************
22cdf0e10cSrcweir
23cdf0e10cSrcweirrequire "common.pl";
24cdf0e10cSrcweir
25cdf0e10cSrcweirprint "Content-type: text/html\n\n";
26cdf0e10cSrcweirprint "<HTML>";
27cdf0e10cSrcweir
28cdf0e10cSrcweir# get current and last shown picture id
29cdf0e10cSrcweir$sCurrPic = join( "", common::File_read( "currpic.txt" ) );
30cdf0e10cSrcweir
31cdf0e10cSrcweir%aRequestMap = common::HTTP_getRequest();
32cdf0e10cSrcweir$sLastPic = $aRequestMap{ "LastPic" };
33cdf0e10cSrcweir
34cdf0e10cSrcweirprint "<HEAD>";
35cdf0e10cSrcweir    print "<META http-equiv=\"refresh\" CONTENT=\"" . $common::REFRESH_TIME . "; URL=poll.pl?LastPic=" . $sCurrPic . "\">";
36cdf0e10cSrcweirprint "</HEAD>";
37cdf0e10cSrcweir
38cdf0e10cSrcweir#' a new picture was chosen ?
39cdf0e10cSrcweirif( $sLastPic ne $sCurrPic )
40cdf0e10cSrcweir{
41cdf0e10cSrcweir    # then show the new picture
42cdf0e10cSrcweir    print "<BODY bgcolor=\"red\" onLoad=\"parent.frame1.location.href='./show.pl?" . $sCurrPic . "'\">";
43cdf0e10cSrcweir}
44cdf0e10cSrcweirelse
45cdf0e10cSrcweir{
46cdf0e10cSrcweir    # otherwise do nothing
47cdf0e10cSrcweir    print "<BODY bgcolor=\"green\">";
48cdf0e10cSrcweir}
49cdf0e10cSrcweir
50cdf0e10cSrcweirprint "</BODY>";
51cdf0e10cSrcweir
52bb113e63SAndrew Ristprint "</HTML>";
53