/**
* Construct an ResourceFileCache from a context
* @param ResourceLoaderContext $context
* @return ResourceFileCache
*/
public static function newFromContext(ResourceLoaderContext $context)
{
$cache = new self();
if ($context->getImage()) {
$cache->mType = 'image';
} elseif ($context->getOnly() === 'styles') {
$cache->mType = 'css';
} else {
$cache->mType = 'js';
}
$modules = array_unique($context->getModules());
// remove duplicates
sort($modules);
// normalize the order (permutation => combination)
$cache->mKey = sha1($context->getHash() . implode('|', $modules));
if (count($modules) == 1) {
$cache->mCacheWorthy = true;
// won't take up much space
}
return $cache;
}
