public function add_style_load_url($urls)
{
$hub = Upfront_PublicStylesheets_Registry::get_instance();
$styles = $hub->get_all();
if (empty($styles)) {
return $urls;
}
$ckey = $this->_cache->key(self::TYPE_STYLE, $styles);
$raw_cache_key = $ckey->get_hash();
$cache = $this->_debugger->is_active() ? false : $this->_cache->get($ckey);
if (empty($cache)) {
foreach ($styles as $key => $frags) {
//$path = upfront_element_dir($frags[0], $frags[1]);
//if (file_exists($path)) $cache .= "/* {$key} */\n" . file_get_contents($path) . "\n";
if (empty($frags)) {
continue;
}
$style = $this->_get_style_contents($frags);
if (!empty($style)) {
$cache .= "/* {$key} */\n{$style}\n";
}
}
if (!$this->_debugger->is_active(Upfront_Debug::STYLE)) {
$cache = Upfront_StylePreprocessor::compress($cache);
}
$this->_cache->set($ckey, $cache);
}
$url = Upfront_VirtualPage::get_url(join('/', array('upfront-dependencies', 'styles', $raw_cache_key)));
$urls[] = $url;
return $urls;
}
