+<?php
+/*
+ * sac-a-push - Obj/transports.phh
+ *
+ * Copyright (C) 2012 Matteo Nastasi
+ * mailto: nastasi@alternativeoutput.it
+ * matteo.nastasi@milug.org
+ * web: http://www.alternativeoutput.it
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details. You should have received a
+ * copy of the GNU General Public License along with this program; if
+ * not, write to the Free Software Foundation, Inc, 59 Temple Place -
+ * Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+class Transport_template {
+
+ function Transport_template() {
+ }
+
+ function init($enc, &$header_out, $init_string, $base, $step)
+ {
+ }
+
+ static function fini($init_string, $blockerr)
+ {
+ }
+
+ function chunk($step, $cont)
+ {
+ }
+}
+
+class Transport_xhr {
+
+ function Transport_xhr() {
+ }
+
+ function init($enc, &$header_out, $init_string, $base, $step)
+ {
+ }
+
+ static function fini($init_string, $blockerr)
+ {
+ }
+
+ function chunk($step, $cont)
+ {
+ }
+}
+
+class Transport_iframe {
+
+ function Transport_iframe() {
+ }
+
+ function init($enc, &$header_out, $init_string, $base, $step)
+ {
+ $ret = "";
+
+ if ($enc != 'plain')
+ $header_out['Content-Encoding'] = $enc;
+ $header_out['Cache-Control'] = 'no-cache, must-revalidate'; // HTTP/1.1
+ $header_out['Expires'] = 'Mon, 26 Jul 1997 05:00:00 GMT'; // Date in the past
+ $header_out['Content-type'] = 'text/html; charset="utf-8"';
+
+ $ret .= sprintf("<html>
+<head>
+<script type=\"text/javascript\" src=\"%scommons.js\"></script>
+<script type=\"text/javascript\" src=\"%sxynt-streaming-ifra.js\"></script>
+<script type=\"text/javascript\">
+var xynt_streaming = \"ready\";", $base, $base);
+ if ($step > 0)
+ $ret .= sprintf("last_clean = %d;\n", ($step-1));
+ $ret .= sprintf("
+window.onload = function () { if (xynt_streaming != \"ready\") { xynt_streaming.reload(); } };
+</script>
+</head>
+<body>");
+ $ret .= sprintf("<!-- \n%s -->\n", $init_string);
+
+ return ($ret);
+ }
+
+ static function fini($init_string, $blockerr)
+ {
+ $ret = "";
+ $ret .= sprintf("<html>
+<head>
+<script type=\"text/javascript\" src=\"%scommons.js\"></script>
+<script type=\"text/javascript\" src=\"%sxynt-streaming-ifra.js\"></script>
+<script type=\"text/javascript\">
+var xynt_streaming = \"ready\";", self::base_get(), self::base_get());
+ $ret .= sprintf("
+window.onload = function () { if (xynt_streaming != \"ready\") { xynt_streaming.reload(); } };
+</script>
+</head>
+<body>");
+ $ret .= sprintf("<!-- \n%s -->\n", $init_string);
+ $ret .= sprintf("<script id='hs%d' type='text/javascript'><!--
+push(\"%s\");
+// -->
+</script>", 0, escpush($blockerr) );
+ return ($ret);
+ }
+
+ function chunk($step, $cont)
+ {
+ if ($cont == NULL) {
+ return sprintf("<script id='hs%d' type='text/javascript'><!--
+push(null);\n// -->\n</script>", $step);
+ }
+ else {
+ return sprintf("<script id='hs%d' type='text/javascript'><!--
+push(\"%s\");\n// -->\n</script>", $step, escpush($cont) );
+ }
+ }
+}
+?>
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