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<?php
/**
* Loader Functions
*
* @package Astra
* @author Astra
* @copyright Copyright (c) 2020, Astra
* @link https://wpastra.com/
* @since Astra 1.0.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Theme Enqueue Scripts
*/
if ( ! class_exists( 'Astra_Enqueue_Scripts' ) ) {
/**
* Theme Enqueue Scripts
*/
class Astra_Enqueue_Scripts {
/**
* Class styles.
*
* @access public
* @var $styles Enqueued styles.
*/
public static $styles;
/**
* Class scripts.
*
* @access public
* @var $scripts Enqueued scripts.
*/
public static $scripts;
/**
* Constructor
*/
public function __construct() {
add_action( 'astra_get_fonts', array( $this, 'add_fonts' ), 1 );
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ), 1 );
add_action( 'enqueue_block_editor_assets', array( $this, 'gutenberg_assets' ) );
add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) );
add_action( 'wp_print_footer_scripts', array( $this, 'astra_skip_link_focus_fix' ) );
add_filter( 'gallery_style', array( $this, 'enqueue_galleries_style' ) );
}
/**
* Fix skip link focus in IE11.
*
* This does not enqueue the script because it is tiny and because it is only for IE11,
* thus it does not warrant having an entire dedicated blocking script being loaded.
*
* @link https://git.io/vWdr2
* @link https://github.com/WordPress/twentynineteen/pull/47/files
* @link https://github.com/ampproject/amphtml/issues/18671
*/
public function astra_skip_link_focus_fix() {
// Skip printing script on AMP content, since accessibility fix is covered by AMP framework.
if ( astra_is_amp_endpoint() ) {
return;
}
// The following is minified via `terser --compress --mangle -- js/skip-link-focus-fix.js`.
?>
<script>
/(trident|msie)/i.test(navigator.userAgent)&&document.getElementById&&window.addEventListener&&window.addEventListener("hashchange",function(){var t,e=location.hash.substring(1);/^[A-z0-9_-]+$/.test(e)&&(t=document.getElementById(e))&&(/^(?:a|select|input|button|textarea)$/i.test(t.tagName)||(t.tabIndex=-1),t.focus())},!1);
</script>
<?php
}
/**
* Admin body classes.
*
* Body classes to be added to <body> tag in admin page
*
* @param String $classes body classes returned from the filter.
* @return String body classes to be added to <body> tag in admin page
*/
public function admin_body_class( $classes ) {
global $pagenow;
$screen = get_current_screen();
if ( ( ( 'post-new.php' == $pagenow || 'post.php' == $pagenow ) && ( defined( 'ASTRA_ADVANCED_HOOKS_POST_TYPE' ) && ASTRA_ADVANCED_HOOKS_POST_TYPE == $screen->post_type ) ) || 'widgets.php' == $pagenow ) {
return;
}
$post_id = get_the_ID();
if ( $post_id ) {
$meta_content_layout = get_post_meta( $post_id, 'site-content-layout', true );
}
if ( ( isset( $meta_content_layout ) && ! empty( $meta_content_layout ) ) && 'default' !== $meta_content_layout ) {
$content_layout = $meta_content_layout;
} else {
$content_layout = astra_get_option( 'site-content-layout' );
}
if ( 'content-boxed-container' == $content_layout ) {
$classes .= ' ast-separate-container';
} elseif ( 'boxed-container' == $content_layout ) {
$classes .= ' ast-separate-container ast-two-container';
} elseif ( 'page-builder' == $content_layout ) {
$classes .= ' ast-page-builder-template';
} elseif ( 'plain-container' == $content_layout ) {
$classes .= ' ast-plain-container';
}
$site_layout = astra_get_option( 'site-layout' );
if ( 'ast-box-layout' === $site_layout ) {
$classes .= ' ast-max-width-layout';
}
$classes .= ' ast-' . astra_page_layout();
return $classes;
}
/**
* List of all assets.
*
* @return array assets array.
*/
public static function theme_assets() {
$default_assets = array(
// handle => location ( in /assets/js/ ) ( without .js ext).
'js' => array(
'astra-theme-js' => 'style',
),
// handle => location ( in /assets/css/ ) ( without .css ext).
'css' => array(
'astra-theme-css' => Astra_Builder_Helper::apply_flex_based_css() ? 'style-flex' : 'style',
),
);
if ( true === Astra_Builder_Helper::$is_header_footer_builder_active ) {
$default_assets = array(
// handle => location ( in /assets/js/ ) ( without .js ext).
'js' => array(
'astra-theme-js' => 'frontend',
),
// handle => location ( in /assets/css/ ) ( without .css ext).
'css' => array(
'astra-theme-css' => Astra_Builder_Helper::apply_flex_based_css() ? 'main' : 'frontend',
),
);
if ( defined( 'ASTRA_EXT_VER' ) ) {
$default_assets['js']['astra-theme-js-pro'] = 'frontend-pro';
}
if ( Astra_Builder_Helper::is_component_loaded( 'edd-cart', 'header' ) ||
Astra_Builder_Helper::is_component_loaded( 'woo-cart', 'header' ) ) {
$default_assets['js']['astra-mobile-cart'] = 'mobile-cart';
}
}
return apply_filters( 'astra_theme_assets', $default_assets );
}
/**
* Add Fonts
*/
public function add_fonts() {
$font_family = astra_get_option( 'body-font-family' );
$font_weight = astra_get_option( 'body-font-weight' );
$font_variant = astra_get_option( 'body-font-variant' );
Astra_Fonts::add_font( $font_family, $font_weight );
Astra_Fonts::add_font( $font_family, $font_variant );
// Render headings font.
$heading_font_family = astra_get_option( 'headings-font-family' );
$heading_font_weight = astra_get_option( 'headings-font-weight' );
$heading_font_variant = astra_get_option( 'headings-font-variant' );
Astra_Fonts::add_font( $heading_font_family, $heading_font_weight );
Astra_Fonts::add_font( $heading_font_family, $heading_font_variant );
}
/**
* Enqueue Scripts
*/
public function enqueue_scripts() {
if ( false === self::enqueue_theme_assets() ) {
return;
}
/* Directory and Extension */
$file_prefix = ( SCRIPT_DEBUG ) ? '' : '.min';
$dir_name = ( SCRIPT_DEBUG ) ? 'unminified' : 'minified';
$js_uri = ASTRA_THEME_URI . 'assets/js/' . $dir_name . '/';
$css_uri = ASTRA_THEME_URI . 'assets/css/' . $dir_name . '/';
/**
* IE Only Js and CSS Files.
*/
// Flexibility.js for flexbox IE10 support.
wp_enqueue_script( 'astra-flexibility', $js_uri . 'flexibility' . $file_prefix . '.js', array(), ASTRA_THEME_VERSION, false );
wp_add_inline_script( 'astra-flexibility', 'flexibility(document.documentElement);' );
wp_script_add_data( 'astra-flexibility', 'conditional', 'IE' );
// Polyfill for CustomEvent for IE.
wp_register_script( 'astra-customevent', $js_uri . 'custom-events-polyfill' . $file_prefix . '.js', array(), ASTRA_THEME_VERSION, false );
wp_register_style( 'astra-galleries-css', $css_uri . 'galleries' . $file_prefix . '.css', array(), ASTRA_THEME_VERSION, 'all' );
// All assets.
$all_assets = self::theme_assets();
$styles = $all_assets['css'];
$scripts = $all_assets['js'];
if ( is_array( $styles ) && ! empty( $styles ) ) {
// Register & Enqueue Styles.
foreach ( $styles as $key => $style ) {
$dependency = array();
// Add dynamic CSS dependency for all styles except for theme's style.css.
if ( 'astra-theme-css' !== $key && class_exists( 'Astra_Cache_Base' ) ) {
if ( ! Astra_Cache_Base::inline_assets() ) {
$dependency[] = 'astra-theme-dynamic';
}
}
// Generate CSS URL.
$css_file = $css_uri . $style . $file_prefix . '.css';
// Register.
wp_register_style( $key, $css_file, $dependency, ASTRA_THEME_VERSION, 'all' );
// Enqueue.
wp_enqueue_style( $key );
// RTL support.
wp_style_add_data( $key, 'rtl', 'replace' );
}
}
// Fonts - Render Fonts.
Astra_Fonts::render_fonts();
/**
* Inline styles
*/
add_filter( 'astra_dynamic_theme_css', array( 'Astra_Dynamic_CSS', 'return_output' ) );
add_filter( 'astra_dynamic_theme_css', array( 'Astra_Dynamic_CSS', 'return_meta_output' ) );
$menu_animation = astra_get_option( 'header-main-submenu-container-animation' );
// Submenu Container Animation for header builder.
if ( true === Astra_Builder_Helper::$is_header_footer_builder_active ) {
for ( $index = 1; $index <= Astra_Builder_Helper::$component_limit; $index++ ) {
$menu_animation_enable = astra_get_option( 'header-menu' . $index . '-submenu-container-animation' );
if ( Astra_Builder_Helper::is_component_loaded( 'menu-' . $index, 'header' ) && ! empty( $menu_animation_enable ) ) {
$menu_animation = 'is_animated';
break;
}
}
}
$rtl = ( is_rtl() ) ? '-rtl' : '';
if ( ! empty( $menu_animation ) || is_customize_preview() ) {
if ( class_exists( 'Astra_Cache' ) ) {
Astra_Cache::add_css_file( ASTRA_THEME_DIR . 'assets/css/' . $dir_name . '/menu-animation' . $rtl . $file_prefix . '.css' );
} else {
wp_register_style( 'astra-menu-animation', $css_uri . 'menu-animation' . $file_prefix . '.css', null, ASTRA_THEME_VERSION, 'all' );
wp_enqueue_style( 'astra-menu-animation' );
}
}
if ( ! class_exists( 'Astra_Cache' ) ) {
$theme_css_data = apply_filters( 'astra_dynamic_theme_css', '' );
wp_add_inline_style( 'astra-theme-css', $theme_css_data );
}
if ( astra_is_amp_endpoint() ) {
return;
}
// Comment assets.
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
wp_enqueue_script( 'comment-reply' );
}
if ( is_array( $scripts ) && ! empty( $scripts ) ) {
// Register & Enqueue Scripts.
foreach ( $scripts as $key => $script ) {
// Register.
wp_register_script( $key, $js_uri . $script . $file_prefix . '.js', array(), ASTRA_THEME_VERSION, true );
// Enqueue.
wp_enqueue_script( $key );
}
}
$astra_localize = array(
'break_point' => astra_header_break_point(), // Header Break Point.
'isRtl' => is_rtl(),
);
wp_localize_script( 'astra-theme-js', 'astra', apply_filters( 'astra_theme_js_localize', $astra_localize ) );
}
/**
* Trim CSS
*
* @since 1.0.0
* @param string $css CSS content to trim.
* @return string
*/
public static function trim_css( $css = '' ) {
// Trim white space for faster page loading.
if ( ! empty( $css ) ) {
$css = preg_replace( '!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $css );
$css = str_replace( array( "\r\n", "\r", "\n", "\t", ' ', ' ', ' ' ), '', $css );
$css = str_replace( ', ', ',', $css );
}
return $css;
}
/**
* Enqueue Gutenberg assets.
*
* @since 1.5.2
*
* @return void
*/
public function gutenberg_assets() {
/* Directory and Extension */
$rtl = '';
if ( is_rtl() ) {
$rtl = '-rtl';
}
$css_uri = ASTRA_THEME_URI . 'inc/assets/css/block-editor-styles' . $rtl . '.css';
$js_uri = ASTRA_THEME_URI . 'inc/assets/js/block-editor-script.js';
wp_enqueue_style( 'astra-block-editor-styles', $css_uri, false, ASTRA_THEME_VERSION, 'all' );
wp_enqueue_script( 'astra-block-editor-script', $js_uri, false, ASTRA_THEME_VERSION, 'all' );
// Render fonts in Gutenberg layout.
Astra_Fonts::render_fonts();
wp_add_inline_style( 'astra-block-editor-styles', apply_filters( 'astra_block_editor_dynamic_css', Gutenberg_Editor_CSS::get_css() ) );
}
/**
* Function to check if enqueuing of Astra assets are disabled.
*
* @since 2.1.0
* @return boolean
*/
public static function enqueue_theme_assets() {
return apply_filters( 'astra_enqueue_theme_assets', true );
}
/**
* Enqueue galleries relates CSS on gallery_style filter.
*
* @param string $gallery_style gallery style and div.
* @since 3.5.0
* @return string
*/
public function enqueue_galleries_style( $gallery_style ) {
wp_enqueue_style( 'astra-galleries-css' );
return $gallery_style;
}
}
new Astra_Enqueue_Scripts();
}