<?php
/**
* WordPress Customize Manager classes
*
* @package WordPress
* @subpackage Customize
* @since 3.4.0
*/
/**
* Customize Manager class.
*
* Bootstraps the Customize experience on the server-side.
*
* Sets up the theme-switching process if a theme other than the active one is
* being previewed and customized.
*
* Serves as a factory for Customize Controls and Settings, and
* instantiates default Customize Controls and Settings.
*
* @since 3.4.0
*/
#[AllowDynamicProperties]
final class WP_Customize_Manager {
/**
* An instance of the theme being previewed.
*
* @since 3.4.0
* @var WP_Theme
*/
protected $theme;
/**
* The directory name of the previously active theme (within the theme_root).
*
* @since 3.4.0
* @var string
*/
protected $original_stylesheet;
/**
* Whether this is a Customizer pageload.
*
* @since 3.4.0
* @var bool
*/
protected $previewing = false;
/**
* Methods and properties dealing with managing widgets in the Customizer.
*
* @since 3.9.0
* @var WP_Customize_Widgets
*/
public $widgets;
/**
* Methods and properties dealing with managing nav menus in the Customizer.
*
* @since 4.3.0
* @var WP_Customize_Nav_Menus
*/
public $nav_menus;
/**
* Methods and properties dealing with selective refresh in the Customizer preview.
*
* @since 4.5.0
* @var WP_Customize_Selective_Refresh
*/
public $selective_refresh;
/**
* Registered instances of WP_Customize_Setting.
*
* @since 3.4.0
* @var array
*/
protected $settings = array();
/**
* Sorted top-level instances of WP_Customize_Panel and WP_Customize_Section.
*
* @since 4.0.0
* @var array
*/
protected $containers = array();
/**
* Registered instances of WP_Customize_Panel.
*
* @since 4.0.0
* @var array
*/
protected $panels = array();
/**
* List of core components.
*
* @since 4.5.0
* @var array
*/
protected $components = array( 'nav_menus' );
/**
* Registered instances of WP_Customize_Section.
*
* @since 3.4.0
* @var array
*/
protected $sections = array();
/**
* Registered instances of WP_Customize_Control.
*
* @since 3.4.0
* @var array
*/
protected $controls = array();
/**
* Panel types that may be rendered from JS templates.
*
* @since 4.3.0
* @var array
*/
protected $registered_panel_types = array();
/**
* Section types that may be rendered from JS templates.
*
* @since 4.3.0
* @var array
*/
protected $registered_section_types = array();
/**
* Control types that may be rendered from JS templates.
*
* @since 4.1.0
* @var array
*/
protected $registered_control_types = array();
/**
* Initial URL being previewed.
*
* @since 4.4.0
* @var string
*/
protected $preview_url;
/**
* URL to link the user to when closing the Customizer.
*
* @since 4.4.0
* @var string
*/
protected $return_url;
/**
* Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
*
* @since 4.4.0
* @var string[]
*/
protected $autofocus = array();
/**
* Messenger channel.
*
* @since 4.7.0
* @var string
*/
protected $messenger_channel;
/**
* Whether the autosave revision of the changeset should be loaded.
*
* @since 4.9.0
* @var bool
*/
protected $autosaved = false;
/**
* Whether the changeset branching is allowed.
*
* @since 4.9.0
* @var bool
*/
protected $branching = true;
/**
* Whether settings should be previewed.
*
* @since 4.9.0
* @var bool
*/
protected $settings_previewed = true;
/**
* Whether a starter content changeset was saved.
*
* @since 4.9.0
* @var bool
*/
protected $saved_starter_content_changeset = false;
/**
* Unsanitized values for Customize Settings parsed from $_POST['customized'].
*
* @var array
*/
private $_post_values;
/**
* Changeset UUID.
*
* @since 4.7.0
* @var string
*/
private $_changeset_uuid;
/**
* Changeset post ID.
*
* @since 4.7.0
* @var int|false
*/
private $_changeset_post_id;
/**
* Changeset data loaded from a customize_changeset post.
*
* @since 4.7.0
* @var array|null
*/
private $_changeset_data;
/**
* Constructor.
*
* @since 3.4.0
* @since 4.7.0 Added `$args` parameter.
*
* @param array $args {
* Args.
*
* @type null|string|false $changeset_uuid Changeset UUID, the `post_name` for the customize_changeset post containing the customized state.
* Defaults to `null` resulting in a UUID to be immediately generated. If `false` is provided, then
* then the changeset UUID will be determined during `after_setup_theme`: when the
* `customize_changeset_branching` filter returns false, then the default UUID will be that
* of the most recent `customize_changeset` post that has a status other than 'auto-draft',
* 'publish', or 'trash'. Otherwise, if changeset branching is enabled, then a random UUID will be used.
* @type string $theme Theme to be previewed (for theme switch). Defaults to customize_theme or theme query params.
* @type string $messenger_channel Messenger channel. Defaults to customize_messenger_channel query param.
* @type bool $settings_previewed If settings should be previewed. Defaults to true.
* @type bool $branching If changeset branching is allowed; otherwise, changesets are linear. Defaults to true.
* @type bool $autosaved If data from a changeset's autosaved revision should be loaded if it exists. Defaults to false.
* }
*/
public function __construct( $args = array() ) {
$args = array_merge(
array_fill_keys( array( 'changeset_uuid', 'theme', 'messenger_channel', 'settings_previewed', 'autosaved', 'branching' ), null ),
$args
);
// Note that the UUID format will be validated in the setup_theme() method.
if ( ! isset( $args['changeset_uuid'] ) ) {
$args['changeset_uuid'] = wp_generate_uuid4();
}
/*
* The theme and messenger_channel should be supplied via $args,
* but they are also looked at in the $_REQUEST global here for back-compat.
*/
if ( ! isset( $args['theme'] ) ) {
if ( isset( $_REQUEST['customize_theme'] ) ) {
$args['theme'] = wp_unslash( $_REQUEST['customize_theme'] );
} elseif ( isset( $_REQUEST['theme'] ) ) { // Deprecated.
$args['theme'] = wp_unslash( $_REQUEST['theme'] );
}
}
if ( ! isset( $args['messenger_channel'] ) && isset( $_REQUEST['customize_messenger_channel'] ) ) {
$args['messenger_channel'] = sanitize_key( wp_unslash( $_REQUEST['customize_messenger_channel'] ) );
}
// Do not load 'widgets' component if a block theme is activated.
if ( ! wp_is_block_theme() ) {
$this->components[] = 'widgets';
}
$this->original_stylesheet = get_stylesheet();
$this->theme = wp_get_theme( 0 === validate_file( $args['theme'] ) ? $args['theme'] : null );
$this->messenger_channel = $args['messenger_channel'];
$this->_changeset_uuid = $args['changeset_uuid'];
foreach ( array( 'settings_previewed', 'autosaved', 'branching' ) as $key ) {
if ( isset( $args[ $key ] ) ) {
$this->$key = (bool) $args[ $key ];
}
}
require_once ABSPATH . WPINC . '/class-wp-customize-setting.php';
require_once ABSPATH . WPINC . '/class-wp-customize-panel.php';
require_once ABSPATH . WPINC . '/class-wp-customize-section.php';
require_once ABSPATH . WPINC . '/class-wp-customize-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-background-position-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-code-editor-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-locations-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-themes-panel.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-themes-section.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-sidebar-section.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-section.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-custom-css-setting.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php';
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php';
/**
* Filters the core Customizer components to load.
*
* This allows Core components to be excluded from being instantiated by
* filtering them out of the array. Note that this filter generally runs
* during the {@see 'plugins_loaded'} action, so it cannot be added
* in a theme.
*
* @since 4.4.0
*
* @see WP_Customize_Manager::__construct()
*
* @param string[] $components Array of core components to load.
* @param WP_Customize_Manager $manager WP_Customize_Manager instance.
*/
$components = apply_filters( 'customize_loaded_components', $this->components, $this );
require_once ABSPATH . WPINC . '/customize/class-wp-customize-selective-refresh.php';
$this->selective_refresh = new WP_Customize_Selective_Refresh( $this );
if ( in_array( 'widgets', $components, true ) ) {
require_once ABSPATH . WPINC . '/class-wp-customize-widgets.php';
$this->widgets = new WP_Customize_Widgets( $this );
}
if ( in_array( 'nav_menus', $components, true ) ) {
require_once ABSPATH . WPINC . '/class-wp-customize-nav-menus.php';
$this->nav_menus = new WP_Customize_Nav_Menus( $this );
}
add_action( 'setup_theme', array( $this, 'setup_theme' ) );
add_action( 'wp_loaded', array( $this, 'wp_loaded' ) );
// Do not spawn cron (especially the alternate cron) while running the Customizer.
remove_action( 'init', 'wp_cron' );
// Do not run update checks when rendering the controls.
remove_action( 'admin_init', '_maybe_update_core' );
remove_action( 'admin_init', '_maybe_update_plugins' );
remove_action( 'admin_init', '_maybe_update_themes' );
add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
add_action( 'wp_ajax_customize_trash', array( $this, 'handle_changeset_trash_request' ) );
add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
add_action( 'wp_ajax_customize_load_themes', array( $this, 'handle_load_themes_request' ) );
add_filter( 'heartbeat_settings', array( $this, 'add_customize_screen_to_heartbeat_settings' ) );
add_filter( 'heartbeat_received', array( $this, 'check_changeset_lock_with_heartbeat' ), 10, 3 );
add_action( 'wp_ajax_customize_override_changeset_lock', array( $this, 'handle_override_changeset_lock_request' ) );
add_action( 'wp_ajax_customize_dismiss_autosave_or_lock', array( $this, 'handle_dismiss_autosave_or_lock_request' ) );
add_action( 'customize_register', array( $this, 'register_controls' ) );
add_action( 'customize_register', array( $this, 'register_dynamic_settings' ), 11 ); // Allow code to create settings first.
add_action( 'customize_controls_init', array( $this, 'prepare_controls' ) );
add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) );
// Render Common, Panel, Section, and Control templates.
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_panel_templates' ), 1 );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_section_templates' ), 1 );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_control_templates' ), 1 );
// Export header video settings with the partial response.
add_filter( 'customize_render_partials_response', array( $this, 'export_header_video_settings' ), 10, 3 );
// Export the settings to JS via the _wpCustomizeSettings variable.
add_action( 'customize_controls_print_footer_scripts', array( $this, 'customize_pane_settings' ), 1000 );
// Add theme update notices.
if ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) ) {
require_once ABSPATH . 'wp-admin/includes/update.php';
add_action( 'customize_controls_print_footer_scripts', 'wp_print_admin_notice_templates' );
}
}
/**
* Returns true if it's an Ajax request.
*
* @since 3.4.0
* @since 4.2.0 Added `$action` param.
*
* @param string|null $action Whether the supplied Ajax action is being run.
* @return bool True if it's an Ajax request, false otherwise.
*/
public function doing_ajax( $action = null ) {
if ( ! wp_doing_ajax() ) {
return false;
}
if ( ! $action ) {
return true;
} else {
/*
* Note: we can't just use doing_action( "wp_ajax_{$action}" ) because we need
* to check before admin-ajax.php gets to that point.
*/
return isset( $_REQUEST['action'] ) && wp_unslash( $_REQUEST['action'] ) === $action;
}
}
/**
* Custom wp_die wrapper. Returns either the standard message for UI
* or the Ajax message.
*
* @since 3.4.0
*
* @param string|WP_Error $ajax_message Ajax return.
* @param string $message Optional. UI message.
*/
protected function wp_die( $ajax_message, $message = null ) {
if ( $this->doing_ajax() ) {
wp_die( $ajax_message );
}
if ( ! $message ) {
$message = __( 'Something went wrong.' );
}
if ( $this->messenger_channel ) {
ob_start();
wp_enqueue_scripts();
wp_print_scripts( array( 'customize-base' ) );
$settings = array(
'messengerArgs' => array(
'channel' => $this->messenger_channel,
'url' => wp_customize_url(),
),
'error' => $ajax_message,
);
$message .= ob_get_clean();
ob_start();
?>
<script>
( function( api, settings ) {
var preview = new api.Messenger( settings.messengerArgs );
preview.send( 'iframe-loading-error', settings.error );
} )( wp.customize, <?php echo wp_json_encode( $settings ); ?> );
</script>
<?php
$message .= wp_get_inline_script_tag( wp_remove_surrounding_empty_script_tags( ob_get_clean() ) );
}
wp_die( $message );
}
/**
* Returns the Ajax wp_die() handler if it's a customized request.
*
* @since 3.4.0
* @deprecated 4.7.0
*
* @return callable Die handler.
*/
public function wp_die_handler() {
_deprecated_function( __METHOD__, '4.7.0' );
if ( $this->doi