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<?php |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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/** |
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* Holds the speed optimization functions for LSX. |
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* |
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* @author LightSpeed |
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* @category Widgets |
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* @package LSX |
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* @return LSX_Optimisation |
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*/ |
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class LSX_Optimisation { |
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/** |
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* Holds class instance |
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* |
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* @since 1.0.0 |
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* @var object |
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*/ |
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protected static $instance = null; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() { |
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//add_filter( 'style_loader_tag', array( $this, 'preload_css' ), 100, 4 ); |
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//add_filter( 'script_loader_tag', array( $this, 'defer_parsing_of_js' ), 100, 3 ); |
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add_action( 'init', array( $this, 'pum_remove_admin_bar_tools' ), 100 ); |
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} |
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/** |
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* Return an instance of this class. |
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* |
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* @since 1.0.0 |
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* @return object A single instance of this class. |
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*/ |
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public static function get_instance() { |
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// If the single instance hasn't been set, set it now. |
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if ( null === self::$instance ) { |
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self::$instance = new self; |
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} |
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return self::$instance; |
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} |
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/** |
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* Defers the JS loading till Last |
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* |
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* @param string $url The url to check and defer. |
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* @return string |
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*/ |
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public function preload_css( $tag, $handle, $href, $media ) { |
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if ( 'lsx_fonts' === $handle || 'fontawesome' === $handle ) { |
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$tag = str_replace( 'href', ' preload href', $tag ); |
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} |
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return $tag; |
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} |
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/** |
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* Defers the JS loading till Last |
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* |
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* @param string $url The url to check and defer. |
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* @return string |
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*/ |
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public function defer_parsing_of_js( $tag, $handle, $href ) { |
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$skip_defer = apply_filters( 'lsx_defer_parsing_of_js', false, $tag, $handle, $href ); |
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if ( ! is_admin() && false !== stripos( $href, '.js' ) && false === stripos( $href, 'jquery.js' ) && false === $skip_defer ) { |
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$tag = str_replace( 'src=', ' defer src=', $tag ); |
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} |
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return $tag; |
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} |
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public function pum_remove_admin_bar_tools() { |
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remove_action( 'admin_bar_menu', array( 'PUM_Modules_Admin_Bar', 'toolbar_links' ), 999 ); |
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remove_action( 'wp_footer', array( 'PUM_Modules_Admin_Bar', 'admin_bar_styles' ), 999 ); |
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remove_action( 'init', array( 'PUM_Modules_Admin_Bar', 'show_debug_bar' ) ); |
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} |
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} |
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LSX_Optimisation::get_instance(); |
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