* @since r74
*/
class WP_Styles extends WP_Dependencies {
- var $base_url;
- var $content_url;
- var $default_version;
- var $text_direction = 'ltr';
- var $concat = '';
- var $concat_version = '';
- var $do_concat = false;
- var $print_html = '';
- var $print_code = '';
- var $default_dirs;
-
- function __construct() {
+ public $base_url;
+ public $content_url;
+ public $default_version;
+ public $text_direction = 'ltr';
+ public $concat = '';
+ public $concat_version = '';
+ public $do_concat = false;
+ public $print_html = '';
+ public $print_code = '';
+ public $default_dirs;
+
+ public function __construct() {
+ /**
+ * Fires when the WP_Styles instance is initialized.
+ *
+ * @since 2.6.0
+ *
+ * @param WP_Styles &$this WP_Styles instance, passed by reference.
+ */
do_action_ref_array( 'wp_default_styles', array(&$this) );
}
- function do_item( $handle ) {
+ public function do_item( $handle ) {
if ( !parent::do_item($handle) )
return false;
$media = 'all';
$href = $this->_css_href( $obj->src, $ver, $handle );
+ if ( empty( $href ) ) {
+ // Turns out there is nothing to print.
+ return true;
+ }
$rel = isset($obj->extra['alt']) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
$title = isset($obj->extra['title']) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : '';
+ /**
+ * Filter the HTML link tag of an enqueued style.
+ *
+ * @since 2.6.0
+ *
+ * @param string The link tag for the enqueued style.
+ * @param string $handle The style's registered handle.
+ */
$tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle );
if ( 'rtl' === $this->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] ) {
if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) {
$rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" );
}
+ /** This filter is documented in wp-includes/class.wp-styles.php */
$rtl_tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle );
if ( $obj->extra['rtl'] === 'replace' ) {
return true;
}
- function add_inline_style( $handle, $code ) {
+ public function add_inline_style( $handle, $code ) {
if ( !$code )
return false;
return $this->add_data( $handle, 'after', $after );
}
- function print_inline_style( $handle, $echo = true ) {
+ public function print_inline_style( $handle, $echo = true ) {
$output = $this->get_data( $handle, 'after' );
if ( empty( $output ) )
return true;
}
- function all_deps( $handles, $recursion = false, $group = false ) {
+ public function all_deps( $handles, $recursion = false, $group = false ) {
$r = parent::all_deps( $handles, $recursion );
- if ( !$recursion )
+ if ( !$recursion ) {
+ /**
+ * Filter the array of enqueued styles before processing for output.
+ *
+ * @since 2.6.0
+ *
+ * @param array $to_do The list of enqueued styles about to be processed.
+ */
$this->to_do = apply_filters( 'print_styles_array', $this->to_do );
+ }
return $r;
}
- function _css_href( $src, $ver, $handle ) {
+ public function _css_href( $src, $ver, $handle ) {
if ( !is_bool($src) && !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) {
$src = $this->base_url . $src;
}
if ( !empty($ver) )
$src = add_query_arg('ver', $ver, $src);
+
+ /**
+ * Filter an enqueued style's fully-qualified URL.
+ *
+ * @since 2.6.0
+ *
+ * @param string $src The source URL of the enqueued style.
+ * @param string $handle The style's registered handle.
+ */
$src = apply_filters( 'style_loader_src', $src, $handle );
return esc_url( $src );
}
- function in_default_dir($src) {
+ public function in_default_dir($src) {
if ( ! $this->default_dirs )
return true;
return false;
}
- function do_footer_items() { // HTML 5 allows styles in the body, grab late enqueued items and output them in the footer.
+ public function do_footer_items() { // HTML 5 allows styles in the body, grab late enqueued items and output them in the footer.
$this->do_items(false, 1);
return $this->done;
}
- function reset() {
+ public function reset() {
$this->do_concat = false;
$this->concat = '';
$this->concat_version = '';