CYS hotfix for removing wpcom elements from dynamic image

hotfix-cys-wpcom-dynamic-image.php

<?php
/*
 * Plugin Name: CYS hotfix for removing wpcom elements from dynamic image
 * Author: Adrian Duffell
 * Description: Hotfix until the following PR is deployed on Woo Express https://github.com/Automattic/wc-calypso-bridge/pull/1344/f
 * Version: 1.0.1
 */

add_action( 'wp_head', 'possibly_remove_wpcom_ui_elements' );

function possibly_remove_wpcom_ui_elements() {
	if ( isset( $_GET['cys-hide-admin-bar'] ) ) {
		echo '
		<style type="text/css">
			#wpadminbar,
			#wpcom-gifting-banner,
			#launch-banner,
			#atomic-proxy-bar { display: none !important; }
			.woocommerce-store-notice { display: none !important; }
			html { margin-top: 0 !important; }
			body { overflow: hidden; }
		</style>';
		echo '
		<script type="text/javascript">
		( function() {
			document.addEventListener( "DOMContentLoaded", function() {
				document.documentElement.style.setProperty( "margin-top", "0px", "important" );
			} );
		} )();
		</script>';
	}
}