<?php

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namespace Elementor\Core\Base;

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use Elementor\Plugin;

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use Elementor\Utils;

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if ( ! defined( 'ABSPATH' ) ) {

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exit; // Exit if accessed directly.

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}

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/**

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* Elementor module.

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*

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* An abstract class that provides the needed properties and methods to

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* manage and handle modules in inheriting classes.

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*

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* @since 1.7.0

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* @abstract

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*/

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abstract class Module extends Base_Object {

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/**

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* Module class reflection.

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*

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* Holds the information about a class.

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*

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* @since 1.7.0

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* @access private

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*

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* @var \ReflectionClass

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*/

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private $reflection;

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/**

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* Module components.

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*

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* Holds the module components.

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*

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* @since 1.7.0

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* @access private

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*

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* @var array

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*/

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private $components = [];

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/**

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* Module instance.

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*

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* Holds the module instance.

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*

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* @since 1.7.0

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* @access protected

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*

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* @var Module

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*/

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protected static $_instances = [];

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/**

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* Get module name.

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*

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* Retrieve the module name.

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*

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* @since 1.7.0

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* @access public

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* @abstract

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*

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* @return string Module name.

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*/

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abstract public function get_name();

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/**

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* Instance.

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*

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* Ensures only one instance of the module class is loaded or can be loaded.

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*

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* @since 1.7.0

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* @access public

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* @static

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*

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* @return $this An instance of the class.

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*/

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public static function instance() {

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$class_name = static::class_name();

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if ( empty( static::$_instances[ $class_name ] ) ) {

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static::$_instances[ $class_name ] = new static();

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}

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return static::$_instances[ $class_name ];

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}

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/**

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* @since 2.0.0

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* @access public

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* @static

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*/

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public static function is_active() {

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return true;

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}

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/**

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* Class name.

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*

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* Retrieve the name of the class.

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*

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* @since 1.7.0

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* @access public

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* @static

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*/

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public static function class_name() {

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return get_called_class();

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}

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public static function get_experimental_data() {

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return [];

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}

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/**

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* Clone.

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*

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* Disable class cloning and throw an error on object clone.

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*

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* The whole idea of the singleton design pattern is that there is a single

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* object. Therefore, we don't want the object to be cloned.

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*

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* @since 1.7.0

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* @access public

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*/

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public function __clone() {

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_doing_it_wrong(

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__FUNCTION__,

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sprintf( 'Cloning instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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'1.0.0'

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);

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}

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/**

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* Wakeup.

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*

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* Disable unserializing of the class.

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*

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* @since 1.7.0

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* @access public

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*/

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public function __wakeup() {

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_doing_it_wrong(

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__FUNCTION__,

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sprintf( 'Unserializing instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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'1.0.0'

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);

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}

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/**

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* @since 2.0.0

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* @access public

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*/

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public function get_reflection() {

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if ( null === $this->reflection ) {

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$this->reflection = new \ReflectionClass( $this );

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}

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return $this->reflection;

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}

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/**

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* Add module component.

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*

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* Add new component to the current module.

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*

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* @since 1.7.0

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* @access public

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*

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* @param string $id Component ID.

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* @param mixed $instance An instance of the component.

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*/

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public function add_component( $id, $instance ) {

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$this->components[ $id ] = $instance;

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}

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/**

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* @since 2.3.0

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* @access public

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* @return Module[]

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*/

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public function get_components() {

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return $this->components;

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}

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/**

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* Get module component.

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*

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* Retrieve the module component.

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*

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* @since 1.7.0

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* @access public

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*

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* @param string $id Component ID.

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*

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* @return mixed An instance of the component, or `false` if the component

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* doesn't exist.

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*/

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public function get_component( $id ) {

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if ( isset( $this->components[ $id ] ) ) {

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return $this->components[ $id ];

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}

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return false;

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}

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/**

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* Get assets url.

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*

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* @since 2.3.0

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* @access protected

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*

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* @param string $file_name

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* @param string $file_extension

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* @param string $relative_url Optional. Default is null.

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* @param string $add_min_suffix Optional. Default is 'default'.

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*

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* @return string

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*/

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final protected function get_assets_url( $file_name, $file_extension, $relative_url = null, $add_min_suffix = 'default' ) {

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static $is_test_mode = null;

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if ( null === $is_test_mode ) {

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$is_test_mode = Utils::is_script_debug() || Utils::is_elementor_tests();

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}

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if ( ! $relative_url ) {

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$relative_url = $this->get_assets_relative_url() . $file_extension . '/';

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}

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$url = $this->get_assets_base_url() . $relative_url . $file_name;

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if ( 'default' === $add_min_suffix ) {

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$add_min_suffix = ! $is_test_mode;

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}

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if ( $add_min_suffix ) {

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$url .= '.min';

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}

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return $url . '.' . $file_extension;

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}

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/**

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* Get js assets url

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*

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* @since 2.3.0

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* @access protected

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*

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* @param string $file_name

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* @param string $relative_url Optional. Default is null.

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* @param string $add_min_suffix Optional. Default is 'default'.

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*

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* @return string

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*/

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final protected function get_js_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default' ) {

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return $this->get_assets_url( $file_name, 'js', $relative_url, $add_min_suffix );

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}

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/**

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* Get css assets url

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*

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* @since 2.3.0

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* @access protected

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*

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* @param string $file_name

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* @param string $relative_url Optional. Default is null.

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* @param string $add_min_suffix Optional. Default is 'default'.

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* @param bool $add_direction_suffix Optional. Default is `false`.

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*

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* @return string

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*/

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final protected function get_css_assets_url( $file_name, $relative_url = null, $add_min_suffix = 'default', $add_direction_suffix = false ) {

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static $direction_suffix = null;

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if ( ! $direction_suffix ) {

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$direction_suffix = is_rtl() ? '-rtl' : '';

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}

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if ( $add_direction_suffix ) {

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$file_name .= $direction_suffix;

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}

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return $this->get_assets_url( $file_name, 'css', $relative_url, $add_min_suffix );

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}

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/**

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* Get Frontend File URL

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*

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* Returns the URL for the CSS file to be loaded in the front end. If requested via the second parameter, a custom

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* file is generated based on a passed template file name. Otherwise, the URL for the default CSS file is returned.

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*

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* @since 3.24.0

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*

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* @access public

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*

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* @param string $file_name

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* @param boolean $has_custom_breakpoints

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*

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* @return string frontend file URL

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*/

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public function get_frontend_file_url( $file_name, $has_custom_breakpoints ) {

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return Plugin::$instance->frontend->get_frontend_file_url( $file_name, $has_custom_breakpoints );

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}

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/**

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* Get assets base url

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*

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* @since 2.6.0

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* @access protected

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*

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* @return string

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*/

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protected function get_assets_base_url() {

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return ELEMENTOR_URL;

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}

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/**

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* Get assets relative url

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*

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* @since 2.3.0

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* @access protected

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*

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* @return string

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*/

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protected function get_assets_relative_url() {

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return 'assets/';

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}

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/**

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* Get the module's associated widgets.

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*

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* @return string[]

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*/

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protected function get_widgets() {

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return [];

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}

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/**

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* Initialize the module related widgets.

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*/

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public function init_widgets() {

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$widget_manager = Plugin::instance()->widgets_manager;

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foreach ( $this->get_widgets() as $widget ) {

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$class_name = $this->get_reflection()->getNamespaceName() . '\Widgets\\' . $widget;

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$widget_manager->register( new $class_name() );

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}

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}

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public function __construct() {

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add_action( 'elementor/widgets/register', [ $this, 'init_widgets' ] );

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}

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}

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