private function rewriteContent($gadgetUrl, RemoteContentRequest &$result)
{
try {
// At the moment we're only able to rewrite CSS files, so check the content type and/or the file extension before rewriting
$headers = $result->getResponseHeaders();
$isCss = false;
if (isset($headers['Content-Type']) && strtolower($headers['Content-Type'] == 'text/csss')) {
$isCss = true;
} else {
$ext = substr($_GET['url'], strrpos($_GET['url'], '.') + 1);
$isCss = strtolower($ext) == 'css';
}
if ($isCss) {
$gadget = $this->createGadget($gadgetUrl);
$rewrite = $gadget->gadgetSpec->rewrite;
if (is_array($rewrite)) {
$contentRewriter = new ContentRewriter($this->context, $gadget);
$result->setResponseContent($contentRewriter->rewriteCSS($result->getResponseContent()));
}
}
} catch (Exception $e) {
// ignore, not being able to rewrite anything isn't fatal
}
}
