You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
388 lines
9.6 KiB
388 lines
9.6 KiB
<?php |
|
/** |
|
* Dependencies API: WP_Styles class |
|
* |
|
* @since 2.6.0 |
|
* |
|
* @package WordPress |
|
* @subpackage Dependencies |
|
*/ |
|
|
|
/** |
|
* Core class used to register styles. |
|
* |
|
* @since 2.6.0 |
|
* |
|
* @see WP_Dependencies |
|
*/ |
|
class WP_Styles extends WP_Dependencies { |
|
/** |
|
* Base URL for styles. |
|
* |
|
* Full URL with trailing slash. |
|
* |
|
* @since 2.6.0 |
|
* @var string |
|
*/ |
|
public $base_url; |
|
|
|
/** |
|
* URL of the content directory. |
|
* |
|
* @since 2.8.0 |
|
* @var string |
|
*/ |
|
public $content_url; |
|
|
|
/** |
|
* Default version string for stylesheets. |
|
* |
|
* @since 2.6.0 |
|
* @var string |
|
*/ |
|
public $default_version; |
|
|
|
/** |
|
* The current text direction. |
|
* |
|
* @since 2.6.0 |
|
* @var string |
|
*/ |
|
public $text_direction = 'ltr'; |
|
|
|
/** |
|
* Holds a list of style handles which will be concatenated. |
|
* |
|
* @since 2.8.0 |
|
* @var string |
|
*/ |
|
public $concat = ''; |
|
|
|
/** |
|
* Holds a string which contains style handles and their version. |
|
* |
|
* @since 2.8.0 |
|
* @deprecated 3.4.0 |
|
* @var string |
|
*/ |
|
public $concat_version = ''; |
|
|
|
/** |
|
* Whether to perform concatenation. |
|
* |
|
* @since 2.8.0 |
|
* @var bool |
|
*/ |
|
public $do_concat = false; |
|
|
|
/** |
|
* Holds HTML markup of styles and additional data if concatenation |
|
* is enabled. |
|
* |
|
* @since 2.8.0 |
|
* @var string |
|
*/ |
|
public $print_html = ''; |
|
|
|
/** |
|
* Holds inline styles if concatenation is enabled. |
|
* |
|
* @since 3.3.0 |
|
* @var string |
|
*/ |
|
public $print_code = ''; |
|
|
|
/** |
|
* List of default directories. |
|
* |
|
* @since 2.8.0 |
|
* @var array |
|
*/ |
|
public $default_dirs; |
|
|
|
/** |
|
* Constructor. |
|
* |
|
* @since 2.6.0 |
|
*/ |
|
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) ); |
|
} |
|
|
|
/** |
|
* Processes a style dependency. |
|
* |
|
* @since 2.6.0 |
|
* |
|
* @see WP_Dependencies::do_item() |
|
* |
|
* @param string $handle The style's registered handle. |
|
* @return bool True on success, false on failure. |
|
*/ |
|
public function do_item( $handle ) { |
|
if ( !parent::do_item($handle) ) |
|
return false; |
|
|
|
$obj = $this->registered[$handle]; |
|
if ( null === $obj->ver ) |
|
$ver = ''; |
|
else |
|
$ver = $obj->ver ? $obj->ver : $this->default_version; |
|
|
|
if ( isset($this->args[$handle]) ) |
|
$ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle]; |
|
|
|
if ( $this->do_concat ) { |
|
if ( $this->in_default_dir($obj->src) && !isset($obj->extra['conditional']) && !isset($obj->extra['alt']) ) { |
|
$this->concat .= "$handle,"; |
|
$this->concat_version .= "$handle$ver"; |
|
|
|
$this->print_code .= $this->print_inline_style( $handle, false ); |
|
|
|
return true; |
|
} |
|
} |
|
|
|
if ( isset($obj->args) ) |
|
$media = esc_attr( $obj->args ); |
|
else |
|
$media = 'all'; |
|
|
|
// A single item may alias a set of items, by having dependencies, but no source. |
|
if ( ! $obj->src ) { |
|
if ( $inline_style = $this->print_inline_style( $handle, false ) ) { |
|
$inline_style = sprintf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $inline_style ); |
|
if ( $this->do_concat ) { |
|
$this->print_html .= $inline_style; |
|
} else { |
|
echo $inline_style; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
$href = $this->_css_href( $obj->src, $ver, $handle ); |
|
if ( ! $href ) { |
|
return true; |
|
} |
|
|
|
$rel = isset($obj->extra['alt']) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet'; |
|
$title = isset($obj->extra['title']) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : ''; |
|
|
|
/** |
|
* Filters the HTML link tag of an enqueued style. |
|
* |
|
* @since 2.6.0 |
|
* @since 4.3.0 Introduced the `$href` parameter. |
|
* @since 4.5.0 Introduced the `$media` parameter. |
|
* |
|
* @param string $html The link tag for the enqueued style. |
|
* @param string $handle The style's registered handle. |
|
* @param string $href The stylesheet's source URL. |
|
* @param string $media The stylesheet's media attribute. |
|
*/ |
|
$tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle, $href, $media); |
|
if ( 'rtl' === $this->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] ) { |
|
if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) { |
|
$suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : ''; |
|
$rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $obj->src , $ver, "$handle-rtl" )); |
|
} else { |
|
$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, $rtl_href, $media ); |
|
|
|
if ( $obj->extra['rtl'] === 'replace' ) { |
|
$tag = $rtl_tag; |
|
} else { |
|
$tag .= $rtl_tag; |
|
} |
|
} |
|
|
|
$conditional_pre = $conditional_post = ''; |
|
if ( isset( $obj->extra['conditional'] ) && $obj->extra['conditional'] ) { |
|
$conditional_pre = "<!--[if {$obj->extra['conditional']}]>\n"; |
|
$conditional_post = "<![endif]-->\n"; |
|
} |
|
|
|
if ( $this->do_concat ) { |
|
$this->print_html .= $conditional_pre; |
|
$this->print_html .= $tag; |
|
if ( $inline_style = $this->print_inline_style( $handle, false ) ) { |
|
$this->print_html .= sprintf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $inline_style ); |
|
} |
|
$this->print_html .= $conditional_post; |
|
} else { |
|
echo $conditional_pre; |
|
echo $tag; |
|
$this->print_inline_style( $handle ); |
|
echo $conditional_post; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
/** |
|
* Adds extra CSS styles to a registered stylesheet. |
|
* |
|
* @since 3.3.0 |
|
* |
|
* @param string $handle The style's registered handle. |
|
* @param string $code String containing the CSS styles to be added. |
|
* @return bool True on success, false on failure. |
|
*/ |
|
public function add_inline_style( $handle, $code ) { |
|
if ( ! $code ) { |
|
return false; |
|
} |
|
|
|
$after = $this->get_data( $handle, 'after' ); |
|
if ( ! $after ) { |
|
$after = array(); |
|
} |
|
|
|
$after[] = $code; |
|
|
|
return $this->add_data( $handle, 'after', $after ); |
|
} |
|
|
|
/** |
|
* Prints extra CSS styles of a registered stylesheet. |
|
* |
|
* @since 3.3.0 |
|
* |
|
* @param string $handle The style's registered handle. |
|
* @param bool $echo Optional. Whether to echo the inline style instead of just returning it. |
|
* Default true. |
|
* @return string|bool False if no data exists, inline styles if `$echo` is true, true otherwise. |
|
*/ |
|
public function print_inline_style( $handle, $echo = true ) { |
|
$output = $this->get_data( $handle, 'after' ); |
|
|
|
if ( empty( $output ) ) { |
|
return false; |
|
} |
|
|
|
$output = implode( "\n", $output ); |
|
|
|
if ( ! $echo ) { |
|
return $output; |
|
} |
|
|
|
printf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $output ); |
|
|
|
return true; |
|
} |
|
|
|
/** |
|
* Determines style dependencies. |
|
* |
|
* @since 2.6.0 |
|
* |
|
* @see WP_Dependencies::all_deps() |
|
* |
|
* @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings). |
|
* @param bool $recursion Internal flag that function is calling itself. |
|
* @param int|false $group Group level: (int) level, (false) no groups. |
|
* @return bool True on success, false on failure. |
|
*/ |
|
public function all_deps( $handles, $recursion = false, $group = false ) { |
|
$r = parent::all_deps( $handles, $recursion, $group ); |
|
if ( ! $recursion ) { |
|
/** |
|
* Filters 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; |
|
} |
|
|
|
/** |
|
* Generates an enqueued style's fully-qualified URL. |
|
* |
|
* @since 2.6.0 |
|
* |
|
* @param string $src The source of the enqueued style. |
|
* @param string $ver The version of the enqueued style. |
|
* @param string $handle The style's registered handle. |
|
* @return string Style's fully-qualified URL. |
|
*/ |
|
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); |
|
|
|
/** |
|
* Filters 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 ); |
|
} |
|
|
|
/** |
|
* Whether a handle's source is in a default directory. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $src The source of the enqueued style. |
|
* @return bool True if found, false if not. |
|
*/ |
|
public function in_default_dir( $src ) { |
|
if ( ! $this->default_dirs ) |
|
return true; |
|
|
|
foreach ( (array) $this->default_dirs as $test ) { |
|
if ( 0 === strpos($src, $test) ) |
|
return true; |
|
} |
|
return false; |
|
} |
|
|
|
/** |
|
* Processes items and dependencies for the footer group. |
|
* |
|
* HTML 5 allows styles in the body, grab late enqueued items and output them in the footer. |
|
* |
|
* @since 3.3.0 |
|
* |
|
* @see WP_Dependencies::do_items() |
|
* |
|
* @return array Handles of items that have been processed. |
|
*/ |
|
public function do_footer_items() { |
|
$this->do_items(false, 1); |
|
return $this->done; |
|
} |
|
|
|
/** |
|
* Resets class properties. |
|
* |
|
* @since 3.3.0 |
|
*/ |
|
public function reset() { |
|
$this->do_concat = false; |
|
$this->concat = ''; |
|
$this->concat_version = ''; |
|
$this->print_html = ''; |
|
} |
|
}
|
|
|