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 $urls;
}
public static function get_instance()
{
if (!self::$_instance) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Adds element style resource.
* @param string $slug Stylesheet ID to be keyed under (hopefully unique)
* @param array $path_info Two-member array, describing resource location. The members are like arguments for upfront_element_dir/upfront_element_url
* @return bool False on failure/invalid arguments, true on success
*/
function upfront_add_element_style($slug, $path_info)
{
if (empty($slug) || empty($path_info)) {
return false;
}
if (!is_array($path_info)) {
return false;
}
if (count($path_info) != 2) {
return false;
}
if (current_theme_supports($slug)) {
return true;
}
// Current theme supports this style
if (empty($_GET['dev']) && empty($_GET['debug'])) {
// Yeah, so re-intorduce the hacks
$hub = Upfront_PublicStylesheets_Registry::get_instance();
return $hub->set($slug, $path_info);
} else {
wp_enqueue_style($slug, upfront_element_url($path_info[0], $path_info[1]));
}
}