class-wp-customize-widgets.php

<?php
/**
 * Customize Widgets Class
 *
 * Implements widget management in the Customizer.
 *
 * @package WordPress
 * @subpackage Customize
 * @since 3.9.0
 */
final class WP_Customize_Widgets {

	/**
	 * WP_Customize_Manager instance.
	 *
	 * @since 3.9.0
	 * @access public
	 * @var WP_Customize_Manager
	 */
	public $manager;

	/**
	 * All id_bases for widgets defined in core.
	 *
	 * @since 3.9.0
	 * @access protected
	 * @var array
	 */
	protected $core_widget_id_bases = array(
		'archives', 'calendar', 'categories', 'links', 'meta',
		'nav_menu', 'pages', 'recent-comments', 'recent-posts',
		'rss', 'search', 'tag_cloud', 'text',
	);

	/**
	 * @since 3.9.0
	 * @access protected
	 * @var
	 */
	protected $_customized;

	/**
	 * @since 3.9.0
	 * @access protected
	 * @var array
	 */
	protected $_prepreview_added_filters = array();

	/**
	 * @since 3.9.0
	 * @access protected
	 * @var array
	 */
	protected $rendered_sidebars = array();

	/**
	 * @since 3.9.0
	 * @access protected
	 * @var array
	 */
	protected $rendered_widgets = array();

	/**
	 * @since 3.9.0
	 * @access protected
	 * @var array
	 */
	protected $old_sidebars_widgets = array();

	/**