1 files changed, 32 insertions, 0 deletions
diff --git a/sd/res/webview/poll.pl b/sd/res/webview/poll.pl
new file mode 100644
index 000000000000..08a31c3e22b4
--- /dev/null
+++ b/sd/res/webview/poll.pl
@@ -0,0 +1,32 @@
+#!/usr/bin/perl
+
+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>";
+\ No newline at end of file