/**
* Returns the thumbnail URL.
*
* @return string The thumbnail URL.
*/
public function volatile_get_url()
{
global $core;
$src = $this->src;
$options = Version::filter($this->options);
$version_name = $this->version_name;
$url = '/api/';
$w = $this->w;
$h = $this->h;
$method = $this->method;
if (is_string($src)) {
$url .= 'thumbnail';
$options['src'] = $src;
$options['version'] = $version_name;
if ($w || $h) {
$url .= '/';
if ($w && $h) {
$url .= $w . 'x' . $h;
} else {
if ($w) {
$url .= $w;
$method = 'fixed-width';
} else {
if ($h) {
$url .= 'x' . $h;
$method = 'fixed-height';
}
}
}
unset($options['width']);
unset($options['height']);
if ($method) {
$url .= '/' . $method;
unset($options['method']);
}
}
} else {
$url .= (empty($src->constructor) ? $src->model_id : $src->constructor) . '/' . $src->nid;
if ($version_name) {
$url .= '/thumbnails/' . $version_name;
} else {
if ($w || $h) {
$url .= '/';
if ($w && $h) {
$url .= $w . 'x' . $h;
} else {
if ($w) {
$url .= $w;
$method = 'fixed-width';
} else {
if ($h) {
$url .= 'x' . $h;
$method = 'fixed-height';
}
}
}
unset($options['width']);
unset($options['height']);
if ($method) {
$url .= '/' . $method;
unset($options['method']);
}
} else {
$url .= '/thumbnail';
}
}
}
if ($options) {
$url .= '?' . http_build_query(Version::shorten($options));
}
return $url;
}
