diff options
Diffstat (limited to 'plugins/jetpack/modules/custom-css/custom-css-4.7.php')
| -rw-r--r-- | plugins/jetpack/modules/custom-css/custom-css-4.7.php | 1165 |
1 files changed, 1165 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/custom-css/custom-css-4.7.php b/plugins/jetpack/modules/custom-css/custom-css-4.7.php new file mode 100644 index 00000000..bb72caec --- /dev/null +++ b/plugins/jetpack/modules/custom-css/custom-css-4.7.php @@ -0,0 +1,1165 @@ +<?php +/** + * Alternate Custom CSS source for 4.7 compat. + * + * @since 4.4.2 + * + * @package 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 = Jetpack::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', + Jetpack::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' ), __( 'Edit CSS', 'jetpack' ), 'edit_theme_options', 'editcss', array( __CLASS__, 'admin_page' ) ); + + // Add in our new page slug that will redirect to the customizer. + $hook = add_theme_page( __( 'CSS', 'jetpack' ), __( 'Edit CSS', 'jetpack' ), 'edit_theme_options', 'editcss-customizer-redirect', array( __CLASS__, 'admin_page' ) ); + add_action( "load-{$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.', intval( $GLOBALS['content_width'] ), 'jetpack' ), + wp_get_theme()->Name, + intval( $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 intval( $value, 10 ); + } + + /** + * 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; |