%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
use Automattic\Jetpack\Assets;
/**
* Alternate Custom CSS source for 4.7 compat.
*
* @since 4.4.2
*
* @package automattic/jetpack
*/
/**
* Class Jetpack_Custom_CSS_Enhancements
*/
class Jetpack_Custom_CSS_Enhancements {
/**
* Set up the actions and filters needed for our compatability layer on top of core's Custom CSS implementation.
*/
public static function add_hooks() {
add_action( 'init', array( __CLASS__, 'init' ) );
add_action( 'admin_menu', array( __CLASS__, 'admin_menu' ) );
add_action( 'customize_controls_enqueue_scripts', array( __CLASS__, 'customize_controls_enqueue_scripts' ) );
add_action( 'customize_register', array( __CLASS__, 'customize_register' ) );
add_filter( 'map_meta_cap', array( __CLASS__, 'map_meta_cap' ), 20, 2 );
add_action( 'customize_preview_init', array( __CLASS__, 'customize_preview_init' ) );
add_filter( '_wp_post_revision_fields', array( __CLASS__, '_wp_post_revision_fields' ), 10, 2 );
add_action( 'load-revision.php', array( __CLASS__, 'load_revision_php' ) );
add_action( 'wp_enqueue_scripts', array( __CLASS__, 'wp_enqueue_scripts' ) );
// Handle Sass/LESS.
add_filter( 'customize_value_custom_css', array( __CLASS__, 'customize_value_custom_css' ), 10, 2 );
add_filter( 'customize_update_custom_css_post_content_args', array( __CLASS__, 'customize_update_custom_css_post_content_args' ), 10, 3 );
add_filter( 'update_custom_css_data', array( __CLASS__, 'update_custom_css_data' ), 10, 2 );
// Stuff for stripping out the theme's default stylesheet...
add_filter( 'stylesheet_uri', array( __CLASS__, 'style_filter' ) );
add_filter( 'safecss_skip_stylesheet', array( __CLASS__, 'preview_skip_stylesheet' ) );
// Stuff for overriding content width...
add_action( 'customize_preview_init', array( __CLASS__, 'preview_content_width' ) );
add_filter( 'jetpack_content_width', array( __CLASS__, 'jetpack_content_width' ) );
add_filter( 'editor_max_image_size', array( __CLASS__, 'editor_max_image_size' ), 10, 3 );
add_action( 'template_redirect', array( __CLASS__, 'set_content_width' ) );
add_action( 'admin_init', array( __CLASS__, 'set_content_width' ) );
// Stuff?
}
/**
* Things that we do on init.
*/
public static function init() {
$min = '.min';
if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) {
$min = '';
}
wp_register_style( 'jetpack-codemirror', plugins_url( 'custom-css/css/codemirror.css', __FILE__ ), array(), '20120905' );
wp_register_style( 'jetpack-customizer-css', plugins_url( 'custom-css/css/customizer-control.css', __FILE__ ), array(), '20140728' );
wp_register_script( 'jetpack-codemirror', plugins_url( 'custom-css/js/codemirror.min.js', __FILE__ ), array(), '3.16', true );
$src = Assets::get_file_url_for_environment(
'_inc/build/custom-css/custom-css/js/core-customizer-css.core-4.9.min.js',
'modules/custom-css/custom-css/js/core-customizer-css.core-4.9.js'
);
wp_register_script( 'jetpack-customizer-css', $src, array(
'customize-controls',
'underscore'
), JETPACK__VERSION, true );
wp_register_script(
'jetpack-customizer-css-preview',
Assets::get_file_url_for_environment(
'_inc/build/custom-css/custom-css/js/core-customizer-css-preview.min.js',
'modules/custom-css/custom-css/js/core-customizer-css-preview.js'
),
array( 'customize-selective-refresh' ),
JETPACK__VERSION,
true
);
remove_action( 'wp_head', 'wp_custom_css_cb', 11 ); // 4.7.0 had it at 11, 4.7.1 moved it to 101.
remove_action( 'wp_head', 'wp_custom_css_cb', 101 );
add_action( 'wp_head', array( __CLASS__, 'wp_custom_css_cb' ), 101 );
if ( isset( $_GET['custom-css'] ) ) {
self::print_linked_custom_css();
}
}
/**
* Things that we do on init when the Customize Preview is loading.
*/
public static function customize_preview_init() {
add_filter( 'wp_get_custom_css', array( __CLASS__, 'customize_preview_wp_get_custom_css' ) );
}
/**
* Print the current Custom CSS. This is for linking instead of printing directly.
*/
public static function print_linked_custom_css() {
header( 'Content-type: text/css' );
header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + YEAR_IN_SECONDS ) . ' GMT' );
echo wp_get_custom_css();
exit;
}
/**
* Re-map the Edit CSS capability.
*
* Core, by default, restricts this to users that have `unfiltered_html` which
* would make the feature unusable in multi-site by non-super-admins, due to Core
* not shipping any solid sanitization.
*
* We're expanding who can use it, and then conditionally applying CSSTidy
* sanitization to users that do not have the `unfiltered_html` capability.
*
* @param array $caps Returns the user's actual capabilities.
* @param string $cap Capability name.
*
* @return array $caps
*/
public static function map_meta_cap( $caps, $cap ) {
if ( 'edit_css' === $cap ) {
$caps = array( 'edit_theme_options' );
}
return $caps;
}
/**
* Handle our admin menu item and legacy page declaration.
*/
public static function admin_menu() {
// Add in our legacy page to support old bookmarks and such.
add_submenu_page( null, __( 'CSS', 'jetpack' ), __( 'Additional CSS', 'jetpack' ), 'edit_theme_options', 'editcss', array( __CLASS__, 'admin_page' ) );
// Add in our new page slug that will redirect to the customizer.
$hook = add_theme_page( __( 'CSS', 'jetpack' ), __( 'Additional CSS', 'jetpack' ), 'edit_theme_options', 'editcss-customizer-redirect', array( __CLASS__, 'admin_page' ) );
add_action( "load-{$hook}", array( __CLASS__, 'customizer_redirect' ) );
}
/**
* Handle the redirect for the customizer. This is necessary because
* we can't directly add customizer links to the admin menu.
*
* There is a core patch in trac that would make this unnecessary.
*
* @link https://core.trac.wordpress.org/ticket/39050
*/
public static function customizer_redirect() {
wp_safe_redirect( self::customizer_link( array(
'return_url' => wp_get_referer(),
) ) );
exit;
}
/**
* Shows Preprocessor code in the Revisions screen, and ensures that post_content_filtered
* is maintained on revisions
*
* @param array $fields Post fields pertinent to revisions.
* @param array $post A post array being processed for insertion as a post revision.
*
* @return array $fields Modified array to include post_content_filtered.
*/
public static function _wp_post_revision_fields( $fields, $post ) {
// None of the fields in $post are required to be passed in this filter.
if ( ! isset( $post['post_type'], $post['ID'] ) ) {
return $fields;
}
// If we're passed in a revision, go get the main post instead.
if ( 'revision' === $post['post_type'] ) {
$main_post_id = wp_is_post_revision( $post['ID'] );
$post = get_post( $main_post_id, ARRAY_A );
}
if ( 'custom_css' === $post['post_type'] ) {
$fields['post_content'] = __( 'CSS', 'jetpack' );
$fields['post_content_filtered'] = __( 'Preprocessor', 'jetpack' );
}
return $fields;
}
/**
* Get the published custom CSS post.
*
* @param string $stylesheet Optional. A theme object stylesheet name. Defaults to the current theme.
* @return WP_Post|null
*/
public static function get_css_post( $stylesheet = '' ) {
return wp_get_custom_css_post( $stylesheet );
}
/**
* Override Core's `wp_custom_css_cb` method to provide linking to custom css.
*/
public static function wp_custom_css_cb() {
$styles = wp_get_custom_css();
if ( strlen( $styles ) > 2000 && ! is_customize_preview() ) :
// Add a cache buster to the url.
$url = home_url( '/' );
$url = add_query_arg( 'custom-css', substr( md5( $styles ), -10 ), $url );
?>
<link rel="stylesheet" type="text/css" id="wp-custom-css" href="<?php echo esc_url( $url ); ?>" />
<?php elseif ( $styles || is_customize_preview() ) : ?>
<style type="text/css" id="wp-custom-css">
<?php echo strip_tags( $styles ); // Note that esc_html() cannot be used because `div > span` is not interpreted properly. ?>
</style>
<?php endif;
}
/**
* Get the ID of a Custom CSS post tying to a given stylesheet.
*
* @param string $stylesheet Stylesheet name.
*
* @return int $post_id Post ID.
*/
public static function post_id( $stylesheet = '' ) {
$post = self::get_css_post( $stylesheet );
if ( $post instanceof WP_Post ) {
return $post->ID;
}
return 0;
}
/**
* Partial for use in the Customizer.
*/
public static function echo_custom_css_partial() {
echo wp_get_custom_css();
}
/**
* Admin page!
*
* This currently has two main uses -- firstly to display the css for an inactive
* theme if there are no revisions attached it to a legacy bug, and secondly to
* handle folks that have bookmarkes in their browser going to the old page for
* managing Custom CSS in Jetpack.
*
* If we ever add back in a non-Customizer CSS editor, this would be the place.
*/
public static function admin_page() {
$post = null;
$stylesheet = null;
if ( isset( $_GET['id'] ) ) {
$post_id = absint( $_GET['id'] );
$post = get_post( $post_id );
if ( $post instanceof WP_Post && 'custom_css' === $post->post_type ) {
$stylesheet = $post->post_title;
}
}
?>
<div class="wrap">
<?php self::revisions_switcher_box( $stylesheet ); ?>
<h1>
<?php
if ( $post ) {
printf( 'Custom CSS for “%1$s”', wp_get_theme( $stylesheet )->Name );
} else {
esc_html_e( 'Custom CSS', 'jetpack' );
}
if ( current_user_can( 'customize' ) ) {
printf(
' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
esc_url( self::customizer_link() ),
esc_html__( 'Manage with Live Preview', 'jetpack' )
);
}
?>
</h1>
<p><?php esc_html_e( 'Custom CSS is now managed in the Customizer.', 'jetpack' ); ?></p>
<?php if ( $post ) : ?>
<div class="revisions">
<h3><?php esc_html_e( 'CSS', 'jetpack' ); ?></h3>
<textarea class="widefat" readonly><?php echo esc_textarea( $post->post_content ); ?></textarea>
<?php if ( $post->post_content_filtered ) : ?>
<h3><?php esc_html_e( 'Preprocessor', 'jetpack' ); ?></h3>
<textarea class="widefat" readonly><?php echo esc_textarea( $post->post_content_filtered ); ?></textarea>
<?php endif; ?>
</div>
<?php endif; ?>
</div>
<style>
.other-themes-wrap {
float: right;
background-color: #fff;
-webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.1);
box-shadow: 0 1px 3px rgba(0,0,0,0.1);
padding: 5px 10px;
margin-bottom: 10px;
}
.other-themes-wrap label {
display: block;
margin-bottom: 10px;
}
.other-themes-wrap select {
float: left;
width: 77%;
}
.other-themes-wrap button {
float: right;
width: 20%;
}
.revisions {
clear: both;
}
.revisions textarea {
min-height: 300px;
background: #fff;
}
</style>
<script>
(function($){
var $switcher = $('.other-themes-wrap');
$switcher.find('button').on('click', function(e){
e.preventDefault();
if ( $switcher.find('select').val() ) {
window.location.href = $switcher.find('select').val();
}
});
})(jQuery);
</script>
<?php
}
/**
* Build the URL to deep link to the Customizer.
*
* You can modify the return url via $args.
*
* @param array $args Array of parameters.
* @return string
*/
public static function customizer_link( $args = array() ) {
$args = wp_parse_args( $args, array(
'return_url' => urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ),
) );
return add_query_arg(
array(
array(
'autofocus' => array(
'section' => 'custom_css',
),
),
'return' => $args['return_url'],
),
admin_url( 'customize.php' )
);
}
/**
* Handle the enqueueing and localizing for scripts to be used in the Customizer.
*/
public static function customize_controls_enqueue_scripts() {
wp_enqueue_style( 'jetpack-customizer-css' );
wp_enqueue_script( 'jetpack-customizer-css' );
$content_help = __( 'Set a different content width for full size images.', 'jetpack' );
if ( ! empty( $GLOBALS['content_width'] ) ) {
$content_help .= sprintf(
_n( ' The default content width for the <strong>%1$s</strong> theme is %2$d pixel.', ' The default content width for the <strong>%1$s</strong> theme is %2$d pixels.', (int) $GLOBALS['content_width'], 'jetpack' ),
wp_get_theme()->Name,
(int) $GLOBALS['content_width']
);
}
wp_localize_script( 'jetpack-customizer-css', '_jp_css_settings', array(
/** This filter is documented in modules/custom-css/custom-css.php */
'useRichEditor' => ! jetpack_is_mobile() && apply_filters( 'safecss_use_ace', true ),
'areThereCssRevisions' => self::are_there_css_revisions(),
'revisionsUrl' => self::get_revisions_url(),
'cssHelpUrl' => '//en.support.wordpress.com/custom-design/editing-css/',
'l10n' => array(
'mode' => __( 'Start Fresh', 'jetpack' ),
'mobile' => __( 'On Mobile', 'jetpack' ),
'contentWidth' => $content_help,
'revisions' => _x( 'See full history', 'Toolbar button to see full CSS revision history', 'jetpack' ),
'css_help_title' => _x( 'Help', 'Toolbar button to get help with custom CSS', 'jetpack' ),
),
));
}
/**
* Check whether there are CSS Revisions for a given theme.
*
* Going forward, there should always be, but this was necessitated
* early on by https://core.trac.wordpress.org/ticket/30854
*
* @param string $stylesheet Stylesheet name.
*
* @return bool|null|WP_Post
*/
public static function are_there_css_revisions( $stylesheet = '' ) {
$post = wp_get_custom_css_post( $stylesheet );
if ( empty( $post ) ) {
return $post;
}
return (bool) wp_get_post_revisions( $post );
}
/**
* Core doesn't have a function to get the revisions url for a given post ID.
*
* @param string $stylesheet Stylesheet name.
*
* @return null|string|void
*/
public static function get_revisions_url( $stylesheet = '' ) {
$post = wp_get_custom_css_post( $stylesheet );
// If we have any currently saved customizations...
if ( $post instanceof WP_Post ) {
$revisions = wp_get_post_revisions( $post->ID, array( 'posts_per_page' => 1 ) );
if ( empty( $revisions ) || is_wp_error( $revisions ) ) {
return admin_url( 'themes.php?page=editcss' );
}
$revision = reset( $revisions );
return get_edit_post_link( $revision->ID );
}
return admin_url( 'themes.php?page=editcss' );
}
/**
* Get a map of all theme names and theme stylesheets for mapping stuff.
*
* @return array
*/
public static function get_themes() {
$themes = wp_get_themes( array( 'errors' => null ) );
$all = array();
foreach ( $themes as $theme ) {
$all[ $theme->name ] = $theme->stylesheet;
}
return $all;
}
/**
* When we need to get all themes that have Custom CSS saved.
*
* @return array
*/
public static function get_all_themes_with_custom_css() {
$themes = self::get_themes();
$custom_css = get_posts( array(
'post_type' => 'custom_css',
'post_status' => get_post_stati(),
'number' => -1,
'order' => 'DESC',
'orderby' => 'modified',
) );
$return = array();
foreach ( $custom_css as $post ) {
$stylesheet = $post->post_title;
$label = array_search( $stylesheet, $themes );
if ( ! $label ) {
continue;
}
$return[ $stylesheet ] = array(
'label' => $label,
'post' => $post,
);
}
return $return;
}
/**
* Handle the enqueueing of scripts for customize previews.
*/
public static function wp_enqueue_scripts() {
if ( is_customize_preview() ) {
wp_enqueue_script( 'jetpack-customizer-css-preview' );
wp_localize_script( 'jetpack-customizer-css-preview', 'jpCustomizerCssPreview', array(
/** This filter is documented in modules/custom-css/custom-css.php */
'preprocessors' => apply_filters( 'jetpack_custom_css_preprocessors', array() ),
));
}
}
/**
* Sanitize the CSS for users without `unfiltered_html`.
*
* @param string $css Input CSS.
* @param array $args Array of CSS options.
*
* @return mixed|string
*/
public static function sanitize_css( $css, $args = array() ) {
$args = wp_parse_args( $args, array(
'force' => false,
'preprocessor' => null,
) );
if ( $args['force'] || ! current_user_can( 'unfiltered_html' ) ) {
$warnings = array();
safecss_class();
$csstidy = new csstidy();
$csstidy->optimise = new safecss( $csstidy );
$csstidy->set_cfg( 'remove_bslash', false );
$csstidy->set_cfg( 'compress_colors', false );
$csstidy->set_cfg( 'compress_font-weight', false );
$csstidy->set_cfg( 'optimise_shorthands', 0 );
$csstidy->set_cfg( 'remove_last_;', false );
$csstidy->set_cfg( 'case_properties', false );
$csstidy->set_cfg( 'discard_invalid_properties', true );
$csstidy->set_cfg( 'css_level', 'CSS3.0' );
$csstidy->set_cfg( 'preserve_css', true );
$csstidy->set_cfg( 'template', dirname( __FILE__ ) . '/csstidy/wordpress-standard.tpl' );
// Test for some preg_replace stuff.
{
$prev = $css;
$css = preg_replace( '/\\\\([0-9a-fA-F]{4})/', '\\\\\\\\$1', $css );
// prevent content: '\3434' from turning into '\\3434'.
$css = str_replace( array( '\'\\\\', '"\\\\' ), array( '\'\\', '"\\' ), $css );
if ( $css !== $prev ) {
$warnings[] = 'preg_replace found stuff';
}
}
// Some people put weird stuff in their CSS, KSES tends to be greedy.
$css = str_replace( '<=', '<=', $css );
// Test for some kses stuff.
{
$prev = $css;
// Why KSES instead of strip_tags? Who knows?
$css = wp_kses_split( $css, array(), array() );
$css = str_replace( '>', '>', $css ); // kses replaces lone '>' with >
// Why both KSES and strip_tags? Because we just added some '>'.
$css = strip_tags( $css );
if ( $css != $prev ) {
$warnings[] = 'kses found stuff';
}
}
// if we're not using a preprocessor.
if ( ! $args['preprocessor'] ) {
/** This action is documented in modules/custom-css/custom-css.php */
do_action( 'safecss_parse_pre', $csstidy, $css, $args );
$csstidy->parse( $css );
/** This action is documented in modules/custom-css/custom-css.php */
do_action( 'safecss_parse_post', $csstidy, $warnings, $args );
$css = $csstidy->print->plain();
}
}
return $css;
}
/**
* Override $content_width in customizer previews.
*/
public static function preview_content_width() {
global $wp_customize;
if ( ! is_customize_preview() ) {
return;
}
$setting = $wp_customize->get_setting( 'jetpack_custom_css[content_width]' );
if ( ! $setting ) {
return;
}
$customized_content_width = (int) $setting->post_value();
if ( ! empty( $customized_content_width ) ) {
$GLOBALS['content_width'] = $customized_content_width;
}
}
/**
* Filter the current theme's stylesheet for potentially nullifying it.
*
* @param string $current Stylesheet URI for the current theme/child theme.
*
* @return mixed|void
*/
static function style_filter( $current ) {
if ( is_admin() ) {
return $current;
} elseif ( self::is_freetrial() && ( ! self::is_preview() || ! current_user_can( 'switch_themes' ) ) ) {
return $current;
} elseif ( self::skip_stylesheet() ) {
/** This filter is documented in modules/custom-css/custom-css.php */
return apply_filters( 'safecss_style_filter_url', plugins_url( 'custom-css/css/blank.css', __FILE__ ) );
}
return $current;
}
/**
* Determine whether or not we should have the theme skip its main stylesheet.
*
* @return mixed The truthiness of this value determines whether the stylesheet should be skipped.
*/
static function skip_stylesheet() {
/** This filter is documented in modules/custom-css/custom-css.php */
$skip_stylesheet = apply_filters( 'safecss_skip_stylesheet', null );
if ( ! is_null( $skip_stylesheet ) ) {
return $skip_stylesheet;
}
$jetpack_custom_css = get_theme_mod( 'jetpack_custom_css', array() );
if ( isset( $jetpack_custom_css['replace'] ) ) {
return $jetpack_custom_css['replace'];
}
return false;
}
/**
* Override $content_width in customizer previews.
*
* Runs on `safecss_skip_stylesheet` filter.
*
* @param bool $skip_value Should the stylesheet be skipped.
*
* @return null|bool
*/
public static function preview_skip_stylesheet( $skip_value ) {
global $wp_customize;
if ( ! is_customize_preview() ) {
return $skip_value;
}
$setting = $wp_customize->get_setting( 'jetpack_custom_css[replace]' );
if ( ! $setting ) {
return $skip_value;
}
$customized_replace = $setting->post_value();
if ( null !== $customized_replace ) {
return $customized_replace;
}
return $skip_value;
}
/**
* Add Custom CSS section and controls.
*
* @param WP_Customize_Manager $wp_customize WP_Customize_Manager instance.
*/
public static function customize_register( $wp_customize ) {
/**
* SETTINGS.
*/
$wp_customize->add_setting( 'jetpack_custom_css[preprocessor]', array(
'default' => '',
'transport' => 'postMessage',
'sanitize_callback' => array( __CLASS__, 'sanitize_preprocessor' ),
) );
$wp_customize->add_setting( 'jetpack_custom_css[replace]', array(
'default' => false,
'transport' => 'refresh',
) );
$wp_customize->add_setting( 'jetpack_custom_css[content_width]', array(
'default' => '',
'transport' => 'refresh',
'sanitize_callback' => array( __CLASS__, 'intval_base10' ),
) );
// Add custom sanitization to the core css customizer setting.
foreach ( $wp_customize->settings() as $setting ) {
if ( $setting instanceof WP_Customize_Custom_CSS_Setting ) {
add_filter( "customize_sanitize_{$setting->id}", array( __CLASS__, 'sanitize_css_callback' ), 10, 2 );
}
}
/**
* CONTROLS.
*/
// Overwrite or Tweak the Core Control.
$core_custom_css = $wp_customize->get_control( 'custom_css' );
if ( $core_custom_css ) {
if ( $core_custom_css instanceof WP_Customize_Code_Editor_Control ) {
// In WP 4.9, we let the Core CodeMirror control keep running the show, but hook into it to tweak stuff.
$types = array(
'default' => 'text/css',
'less' => 'text/x-less',
'sass' => 'text/x-scss',
);
$preprocessor = $wp_customize->get_setting( 'jetpack_custom_css[preprocessor]' )->value();
if ( isset( $types[ $preprocessor ] ) ) {
$core_custom_css->code_type = $types[ $preprocessor ];
}
} else {
// Core < 4.9 Fallback
$core_custom_css->type = 'jetpackCss';
}
}
$wp_customize->selective_refresh->add_partial( 'custom_css', array(
'type' => 'custom_css',
'selector' => '#wp-custom-css',
'container_inclusive' => false,
'fallback_refresh' => false,
'settings' => array(
'custom_css[' . $wp_customize->get_stylesheet() . ']',
'jetpack_custom_css[preprocessor]',
),
'render_callback' => array( __CLASS__, 'echo_custom_css_partial' ),
) );
$wp_customize->add_control( 'wpcom_custom_css_content_width_control', array(
'type' => 'text',
'label' => __( 'Media Width', 'jetpack' ),
'section' => 'custom_css',
'settings' => 'jetpack_custom_css[content_width]',
) );
$wp_customize->add_control( 'jetpack_css_mode_control', array(
'type' => 'checkbox',
'label' => __( 'Don\'t use the theme\'s original CSS.', 'jetpack' ),
'section' => 'custom_css',
'settings' => 'jetpack_custom_css[replace]',
) );
/**
* An action to grab on to if another Jetpack Module would like to add its own controls.
*
* @module custom-css
*
* @since 4.4.2
*
* @param $wp_customize The WP_Customize object.
*/
do_action( 'jetpack_custom_css_customizer_controls', $wp_customize );
/** This filter is documented in modules/custom-css/custom-css.php */
$preprocessors = apply_filters( 'jetpack_custom_css_preprocessors', array() );
if ( ! empty( $preprocessors ) ) {
$preprocessor_choices = array(
'' => __( 'None', 'jetpack' ),
);
foreach ( $preprocessors as $preprocessor_key => $processor ) {
$preprocessor_choices[ $preprocessor_key ] = $processor['name'];
}
$wp_customize->add_control( 'jetpack_css_preprocessors_control', array(
'type' => 'select',
'choices' => $preprocessor_choices,
'label' => __( 'Preprocessor', 'jetpack' ),
'section' => 'custom_css',
'settings' => 'jetpack_custom_css[preprocessor]',
) );
}
}
/**
* The callback to handle sanitizing the CSS. Takes different arguments, hence the proxy function.
*
* @param mixed $css Value of the setting.
* @param WP_Customize_Setting $setting WP_Customize_Setting instance.
*
* @return mixed|string
*/
public static function sanitize_css_callback( $css, $setting ) {
global $wp_customize;
return self::sanitize_css( $css, array(
'preprocessor' => $wp_customize->get_setting( 'jetpack_custom_css[preprocessor]' )->value(),
) );
}
/**
* Flesh out for wpcom.
*
* @todo
*
* @return bool
*/
public static function is_freetrial() {
return false;
}
/**
* Flesh out for wpcom.
*
* @todo
*
* @return bool
*/
public static function is_preview() {
return false;
}
/**
* Output the custom css for customize preview.
*
* @param string $css Custom CSS content.
*
* @return mixed
*/
public static function customize_preview_wp_get_custom_css( $css ) {
global $wp_customize;
$preprocessor = $wp_customize->get_setting( 'jetpack_custom_css[preprocessor]' )->value();
// If it's empty, just return.
if ( empty( $preprocessor ) ) {
return $css;
}
/** This filter is documented in modules/custom-css/custom-css.php */
$preprocessors = apply_filters( 'jetpack_custom_css_preprocessors', array() );
if ( isset( $preprocessors[ $preprocessor ] ) ) {
return call_user_func( $preprocessors[ $preprocessor ]['callback'], $css );
}
return $css;
}
/**
* Add CSS preprocessing to our CSS if it is supported.
*
* @param mixed $css Value of the setting.
* @param WP_Customize_Setting $setting WP_Customize_Setting instance.
*
* @return string
*/
public static function customize_value_custom_css( $css, $setting ) {
// Find the current preprocessor.
$jetpack_custom_css = get_theme_mod( 'jetpack_custom_css', array() );
if ( isset( $jetpack_custom_css['preprocessor'] ) ) {
$preprocessor = $jetpack_custom_css['preprocessor'];
}
// If it's not supported, just return.
/** This filter is documented in modules/custom-css/custom-css.php */
$preprocessors = apply_filters( 'jetpack_custom_css_preprocessors', array() );
if ( ! isset( $preprocessors[ $preprocessor ] ) ) {
return $css;
}
// Swap it for the `post_content_filtered` instead.
$post = wp_get_custom_css_post( $setting->stylesheet );
if ( $post && ! empty( $post->post_content_filtered ) ) {
$css = $post->post_content_filtered;
}
return $css;
}
/**
* Store the original pre-processed CSS in `post_content_filtered`
* and then store processed CSS in `post_content`.
*
* @param array $args Content post args.
* @param string $css Original CSS being updated.
* @param WP_Customize_Custom_CSS_Setting $setting Custom CSS Setting.
*
* @return mixed
*/
public static function customize_update_custom_css_post_content_args( $args, $css, $setting ) {
// Find the current preprocessor.
$jetpack_custom_css = get_theme_mod( 'jetpack_custom_css', array() );
if ( empty( $jetpack_custom_css['preprocessor'] ) ) {
return $args;
}
$preprocessor = $jetpack_custom_css['preprocessor'];
/** This filter is documented in modules/custom-css/custom-css.php */
$preprocessors = apply_filters( 'jetpack_custom_css_preprocessors', array() );
// If it's empty, just return.
if ( empty( $preprocessor ) ) {
return $args;
}
if ( isset( $preprocessors[ $preprocessor ] ) ) {
$args['post_content_filtered'] = $css;
$args['post_content'] = call_user_func( $preprocessors[ $preprocessor ]['callback'], $css );
}
return $args;
}
/**
* Filter to handle the processing of preprocessed css on save.
*
* @param array $args Custom CSS options.
* @param string $stylesheet Original CSS to be updated.
*
* @return mixed
*/
public static function update_custom_css_data( $args, $stylesheet ) {
// Find the current preprocessor.
$jetpack_custom_css = get_theme_mod( 'jetpack_custom_css', array() );
if ( empty( $jetpack_custom_css['preprocessor'] ) ) {
return $args;
}
/** This filter is documented in modules/custom-css/custom-css.php */
$preprocessors = apply_filters( 'jetpack_custom_css_preprocessors', array() );
$preprocessor = $jetpack_custom_css['preprocessor'];
// If we have a preprocessor specified ...
if ( isset( $preprocessors[ $preprocessor ] ) ) {
// And no other preprocessor has run ...
if ( empty( $args['preprocessed'] ) ) {
$args['preprocessed'] = $args['css'];
$args['css'] = call_user_func( $preprocessors[ $preprocessor ]['callback'], $args['css'] );
} else {
trigger_error( 'Jetpack CSS Preprocessor specified, but something else has already modified the argument.', E_USER_WARNING );
}
}
return $args;
}
/**
* When on the edit screen, make sure the custom content width
* setting is applied to the large image size.
*
* @param array $dims Array of image dimensions (width and height).
* @param string $size Size of the resulting image.
* @param null $context Context the image is being resized for. `edit` or `display`.
*
* @return array
*/
static function editor_max_image_size( $dims, $size = 'medium', $context = null ) {
list( $width, $height ) = $dims;
if ( 'large' === $size && 'edit' === $context ) {
$width = Jetpack::get_content_width();
}
return array( $width, $height );
}
/**
* Override the content_width with a custom value if one is set.
*
* @param int $content_width Content Width value to be updated.
*
* @return int
*/
static function jetpack_content_width( $content_width ) {
$custom_content_width = 0;
$jetpack_custom_css = get_theme_mod( 'jetpack_custom_css', array() );
if ( isset( $jetpack_custom_css['content_width'] ) ) {
$custom_content_width = $jetpack_custom_css['content_width'];
}
if ( $custom_content_width > 0 ) {
return $custom_content_width;
}
return $content_width;
}
/**
* Currently this filter function gets called on
* 'template_redirect' action and
* 'admin_init' action
*/
static function set_content_width() {
// Don't apply this filter on the Edit CSS page.
if ( isset( $_GET['page'] ) && 'editcss' === $_GET['page'] && is_admin() ) {
return;
}
$GLOBALS['content_width'] = Jetpack::get_content_width();
}
/**
* Make sure the preprocessor we're saving is one we know about.
*
* @param string $preprocessor The preprocessor to sanitize.
*
* @return null|string
*/
public static function sanitize_preprocessor( $preprocessor ) {
/** This filter is documented in modules/custom-css/custom-css.php */
$preprocessors = apply_filters( 'jetpack_custom_css_preprocessors', array() );
if ( empty( $preprocessor ) || array_key_exists( $preprocessor, $preprocessors ) ) {
return $preprocessor;
}
return null;
}
/**
* Get the base10 intval.
*
* This is used as a setting's sanitize_callback; we can't use just plain
* intval because the second argument is not what intval() expects.
*
* @access public
*
* @param mixed $value Number to convert.
* @return int Integer.
*/
public static function intval_base10( $value ) {
return (int) $value;
}
/**
* Add a footer action on revision.php to print some customizations for the theme switcher.
*/
public static function load_revision_php() {
add_action( 'admin_footer', array( __CLASS__, 'revision_admin_footer' ) );
}
/**
* Print the theme switcher on revision.php and move it into place.
*/
public static function revision_admin_footer() {
$post = get_post();
if ( 'custom_css' !== $post->post_type ) {
return;
}
$stylesheet = $post->post_title;
?>
<script type="text/html" id="tmpl-other-themes-switcher">
<?php self::revisions_switcher_box( $stylesheet ); ?>
</script>
<style>
.other-themes-wrap {
float: right;
background-color: #fff;
-webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.1);
box-shadow: 0 1px 3px rgba(0,0,0,0.1);
padding: 5px 10px;
margin-bottom: 10px;
}
.other-themes-wrap label {
display: block;
margin-bottom: 10px;
}
.other-themes-wrap select {
float: left;
width: 77%;
}
.other-themes-wrap button {
float: right;
width: 20%;
}
.revisions {
clear: both;
}
/* Hide the back-to-post link */
.long-header + a {
display: none;
}
</style>
<script>
(function($){
var switcher = $('#tmpl-other-themes-switcher').html(),
qty = $( switcher ).find('select option').length,
$switcher;
if ( qty >= 3 ) {
$('h1.long-header').before( switcher );
$switcher = $('.other-themes-wrap');
$switcher.find('button').on('click', function(e){
e.preventDefault();
if ( $switcher.find('select').val() ) {
window.location.href = $switcher.find('select').val();
}
})
}
})(jQuery);
</script>
<?php
}
/**
* The HTML for the theme revision switcher box.
*
* @param string $stylesheet Stylesheet name.
*/
public static function revisions_switcher_box( $stylesheet = '' ) {
$themes = self::get_all_themes_with_custom_css();
?>
<div class="other-themes-wrap">
<label for="other-themes"><?php esc_html_e( 'Select another theme to view its custom CSS.', 'jetpack' ); ?></label>
<select id="other-themes">
<option value=""><?php esc_html_e( 'Select a theme…', 'jetpack' ); ?></option>
<?php
foreach ( $themes as $theme_stylesheet => $data ) {
$revisions = wp_get_post_revisions( $data['post']->ID, array( 'posts_per_page' => 1 ) );
if ( ! $revisions ) {
?>
<option value="<?php echo esc_url( add_query_arg( 'id', $data['post']->ID, menu_page_url( 'editcss', 0 ) ) ); ?>" <?php disabled( $stylesheet, $theme_stylesheet ); ?>>
<?php echo esc_html( $data['label'] ); ?>
<?php printf( esc_html__( '(modified %s ago)', 'jetpack' ), human_time_diff( strtotime( $data['post']->post_modified_gmt ) ) ); ?></option>
<?php
continue;
}
$revision = array_shift( $revisions );
?>
<option value="<?php echo esc_url( get_edit_post_link( $revision->ID ) ); ?>" <?php disabled( $stylesheet, $theme_stylesheet ); ?>>
<?php echo esc_html( $data['label'] ); ?>
<?php printf( esc_html__( '(modified %s ago)', 'jetpack' ), human_time_diff( strtotime( $data['post']->post_modified_gmt ) ) ); ?></option>
<?php
}
?>
</select>
<button class="button" id="other_theme_custom_css_switcher"><?php esc_html_e( 'Switch', 'jetpack' ); ?></button>
</div>
<?php
}
}
Jetpack_Custom_CSS_Enhancements::add_hooks();
if ( ! function_exists( 'safecss_class' ) ) :
/**
* Load in the class only when needed. Makes lighter load by having one less class in memory.
*/
function safecss_class() {
// Wrapped so we don't need the parent class just to load the plugin.
if ( class_exists( 'safecss' ) ) {
return;
}
require_once( dirname( __FILE__ ) . '/csstidy/class.csstidy.php' );
/**
* Class safecss
*/
class safecss extends csstidy_optimise {
/**
* Optimises $css after parsing.
*/
function postparse() {
/** This action is documented in modules/custom-css/custom-css.php */
do_action( 'csstidy_optimize_postparse', $this );
return parent::postparse();
}
/**
* Optimises a sub-value.
*/
function subvalue() {
/** This action is documented in modules/custom-css/custom-css.php */
do_action( 'csstidy_optimize_subvalue', $this );
return parent::subvalue();
}
}
}
endif;
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