← All changes | extensions/blocks/subscriber-login/class-jetpack-subscription-site.php +96 -0 16.2-beta → 16.3-beta View file →

		@@ -1,0 +1,96 @@
	1	+<?php
	2	+/**
	3	+ * Adds support for Jetpack Subscription Site feature.
	4	+ *
	5	+ * @package automattic/jetpack
	6	+ * @since 13.3
	7	+ */
	8	+
	9	+namespace Automattic\Jetpack\Extensions\Subscriber_Login;
	10	+
	11	+use WP_Block_Template;
	12	+use WP_Post;
	13	+
	14	+/**
	15	+ * Jetpack_Subscription_Site class.
	16	+ */
	17	+class Jetpack_Subscription_Site {
	18	+ /**
	19	+ * Jetpack_Subscription_Site singleton instance.
	20	+ *
	21	+ * @var Jetpack_Subscription_Site|null
	22	+ */
	23	+ private static $instance;
	24	+
	25	+ /**
	26	+ * Jetpack_Subscription_Site instance init.
	27	+ */
	28	+ public static function init() {
	29	+ if ( self::$instance === null ) {
	30	+ self::$instance = new Jetpack_Subscription_Site();
	31	+ }
	32	+
	33	+ return self::$instance;
	34	+ }
	35	+
	36	+ /**
	37	+ * Handles Subscriber Login block placements.
	38	+ *
	39	+ * @return void
	40	+ */
	41	+ public function handle_subscriber_login_block_placements() {
	42	+ $this->handle_subscriber_login_block_navigation_placement();
	43	+ }
	44	+
	45	+ /**
	46	+ * Returns true if context is recognized as a header element.
	47	+ *
	48	+ * @param WP_Block_Template|WP_Post|array $context The block template, template part, or pattern the anchor block belongs to.
	49	+ *
	50	+ * @return bool
	51	+ */
	52	+ protected function is_header_context( $context ) {
	53	+ if ( $context instanceof WP_Post && $context->post_type === 'wp_navigation' ) {
	54	+ return true;
	55	+ }
	56	+
	57	+ if ( $context instanceof WP_Block_Template && $context->area === 'header' ) {
	58	+ return true;
	59	+ }
	60	+
	61	+ return false;
	62	+ }
	63	+
	64	+ /**
	65	+ * Handles Subscriber Login block navigation placement.
	66	+ *
	67	+ * @return void
	68	+ */
	69	+ protected function handle_subscriber_login_block_navigation_placement() {
	70	+ $subscriber_login_navigation_enabled = get_option( 'jetpack_subscriptions_login_navigation_enabled', false );
	71	+ if ( ! $subscriber_login_navigation_enabled ) {
	72	+ return;
	73	+ }
	74	+
	75	+ if ( ! wp_is_block_theme() ) { // TODO Fallback for classic themes.
	76	+ return;
	77	+ }
	78	+
	79	+ add_filter(
	80	+ 'hooked_block_types',
	81	+ function ( $hooked_blocks, $relative_position, $anchor_block, $context ) {
	82	+ if (
	83	+ $anchor_block === 'core/navigation' &&
	84	+ $relative_position === 'last_child' &&
	85	+ self::is_header_context( $context )
	86	+ ) {
	87	+ $hooked_blocks[] = 'jetpack/subscriber-login';
	88	+ }
	89	+
	90	+ return $hooked_blocks;
	91	+ },
	92	+ 10,
	93	+ 4
	94	+ );
	95	+ }
	96	+}