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<?php
/**
* Nectar Lazy Load Images
*
*
* @package Salient WordPress Theme
* @version 11.5
*/
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Nectar Lazy Images.
*/
if( !class_exists('NectarLazyImages') ) {
class NectarLazyImages {
private static $instance;
public static $global_option_active = false;
public static $woo_single_main_count = 0;
public static $woo_single_thumb_count = 0;
public function __construct() {
add_action( 'wp', array($this, 'check_global_active'), 10 );
}
/**
* Initiator.
*/
public static function get_instance() {
if ( !self::$instance ) {
self::$instance = new self;
}
return self::$instance;
}
/**
* Checks if lazy loading is globally active.
*/
public static function check_global_active() {
global $nectar_options;
if( isset( $nectar_options['global_lazy_load_images'] ) &&
!empty( $nectar_options['global_lazy_load_images'] ) &&
'1' === $nectar_options['global_lazy_load_images'] &&
self::verify_use_case() ) {
self::$global_option_active = true;
}
}
/**
* Check if lazy loading needs to be disabled.
*/
public static function verify_use_case() {
// Disable for Feed.
if( is_feed() ) {
return false;
}
// Disable for AMP.
if( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) {
return false;
}
// Disable for FE Editor.
$nectar_using_VC_front_end_editor = (isset($_GET['vc_editable'])) ? sanitize_text_field($_GET['vc_editable']) : '';
$nectar_using_VC_front_end_editor = ($nectar_using_VC_front_end_editor == 'true') ? true : false;
if( true === $nectar_using_VC_front_end_editor ) {
return false;
}
return true;
}
/**
* Determines whether or not to use lazy
* loading data source on a case by case basis.
*/
public static function activate_lazy() {
if( self::verify_use_case() ) {
return true;
}
return false;
}
}
/**
* Initialize the NectarElAssets class
*/
NectarLazyImages::get_instance();
}