register_hook();
}
/**
* register action hook(s)
*/
private function register_hook() {
add_filter( 'wp_calculate_image_srcset', array( $this, 'filter_image_srcset' ), 14, 5 );
add_action( 'admin_init', array( $this, 'load_textdomain' ) );
add_action( 'admin_init', array( $this, 'settings_api_init' ) );
}
/**
* @param $sources array
* @param $size_array array
* @param $image_src string
* @param $image_meta array
* @param $attachiment_id int
*
* @return array
*/
public function filter_image_srcset( $sources, $size_array, $image_src, $image_meta, $attachiment_id ) {
if ( is_ssl() or $this->is_force_ssl_everytime() ) {
array_walk( $sources, array( $this, 'force_scheme_source_url' ) );
}
return $sources;
}
private function force_scheme_source_url( &$source, $size ) {
$source['url'] = set_url_scheme( $source['url'], 'https' );
}
/**
* @return bool
*/
private function is_force_ssl_everytime() {
return (bool) get_option( 'force_https_srcset_everytime' );
}
public function settings_api_init() {
add_settings_field( 'srcset-force-ssl', __( 'Responsive Images', 'force-https-srcset' ), array(
$this,
'setting_html',
), 'media', 'default' );
register_setting( 'media', 'force_https_srcset_everytime', 'esc_attr' );
}
public function setting_html() {
echo '';
echo '' . __( 'This option makes srcset url tobe https when you access with http.', 'force-https-srcset' ) . '
';
}
public function load_textdomain() {
load_plugin_textdomain( 'force-https-srcset' );
}
}
if ( defined( 'ABSPATH' ) ) {
Hina_Force_Https_Srcset::init();
}