<?php
-
-if (file_exists("$THEMEPATH//style.css")){
- echo file_get_contents("$THEMEPATH//style.css");
-}
-
$uid = get_theme_uid();
-$style = get_pconfig( $uid, 'vier', 'style');
+$style = get_pconfig($uid, 'vier', 'style');
if ($style == "")
$style = get_config('vier', 'style');
$style = "plus";
if ($style == "flat")
- $stylecss = file_get_contents('view/theme/vier/flat.css');
+ $stylecssfile = 'view/theme/vier/flat.css';
else if ($style == "netcolour")
- $stylecss = file_get_contents('view/theme/vier/netcolour.css');
+ $stylecssfile = 'view/theme/vier/netcolour.css';
else if ($style == "breathe")
- $stylecss = file_get_contents('view/theme/vier/breathe.css');
+ $stylecssfile = 'view/theme/vier/breathe.css';
else if ($style == "plus")
- $stylecss = file_get_contents('view/theme/vier/plus.css');
+ $stylecssfile = 'view/theme/vier/plus.css';
else if ($style == "dark")
- $stylecss = file_get_contents('view/theme/vier/dark.css');
+ $stylecssfile = 'view/theme/vier/dark.css';
+
+if (file_exists($THEMEPATH."//style.css")) {
+ $stylecss = file_get_contents($THEMEPATH."//style.css")."\n";
+ $modified = filemtime($THEMEPATH."//style.css");
+}
+
+$stylemodified = filemtime($stylecssfile);
+$stylecss .= file_get_contents($stylecssfile);
+
+if ($stylemodified > $modified)
+ $modified = $stylemodified;
+$modified = gmdate('r', $modified);
+
+$etag = md5($stylecss);
+
+// Only send the CSS file if it was changed
+header('Cache-Control: public');
+header('ETag: "'.$etag.'"');
+header('Last-Modified: '.$modified);
+
+if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) || isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
+
+ $cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
+ $cached_etag = str_replace(array('"', "-gzip"), array('', ''),
+ stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
+
+ if (($cached_modified == $modified) AND ($cached_etag == $etag)) {
+ header('HTTP/1.1 304 Not Modified');
+ exit();
+ }
+}
echo $stylecss;