conditions = apply_filters( 'advanced-ads-visitor-conditions', array(
'mobile' => array( // type of the condition
'label' => __( 'mobile device', ADVADS_SLUG ),
'description' => __( 'Display ads only on mobile devices or hide them.', ADVADS_SLUG ),
'metabox' => array( 'Advanced_Ads_Visitor_Conditions', 'metabox_is_or_not' ), // callback to generate the metabox
'check' => array( 'Advanced_Ads_Visitor_Conditions', 'check_mobile' ) // callback for frontend check
),
));
}
/**
*
* @return Advanced_Ads_Plugin
*/
public static function get_instance() {
// If the single instance hasn't been set, set it now.
if ( null === self::$instance ) {
self::$instance = new self;
}
return self::$instance;
}
/**
* callback to display the "is not" condition
*
* @param arr $options options of the condition
* @param int $index index of the condition
*/
static function metabox_is_or_not( $options, $index = 0 ){
if ( ! isset ( $options['type'] ) || '' === $options['type'] ) { return; }
$type_options = self::get_instance()->conditions;
if ( ! isset( $type_options[ $options['type'] ] ) ) {
return;
}
// form name basis
$name = self::FORM_NAME . '[' . $index . ']';
// options
$operator = isset( $options['operator'] ) ? $options['operator'] : 'is';
$connector = isset( $options['connector'] ) ? $options['connector'] : 'and';
?>
conditions;
if ( ! isset( $type_options[ $options['type'] ] ) ) {
return;
}
// form name basis
$name = self::FORM_NAME . '[' . $index . ']';
// options
$value = isset( $options['value'] ) ? $options['value'] : 0;
$operator = isset( $options['operator'] ) ? $options['operator'] : 'is_equal';
$connector = isset( $options['connector'] ) ? $options['connector'] : 'and';
?>
conditions;
if ( is_array( $options ) && isset( $visitor_conditions[ $options['type'] ]['check'] ) ) {
$check = $visitor_conditions[ $options['type'] ]['check'];
} else {
return true;
}
// call frontend check callback
if ( method_exists( $check[0], $check[1] ) ) {
return call_user_func( array( $check[0], $check[1] ), $options );
}
return true;
}
/**
* check mobile visitor condition in frontend
*
* @param arr $options options of the condition
* @return bool true if can be displayed
*/
static function check_mobile( $options = array() ){
if ( ! isset( $options['operator'] ) ) {
return true;
}
switch ( $options['operator'] ){
case 'is' :
if ( ! wp_is_mobile() ) { return false; }
break;
case 'is_not' :
if ( wp_is_mobile() ) { return false; }
break;
}
return true;
}
}