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| 1 | <?php |
| 2 | /** |
| 3 | * Adds support for a local pop-up shown when a visitor clicks a "Button |
| 4 | * only" style Subscribe block, before the subscribe.wordpress.com checkout |
| 5 | * iframe opens. |
| 6 | * |
| 7 | * @package automattic/jetpack |
| 8 | * @since $$next-version$$ |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * Jetpack_Subscribe_Modal_Button class. |
| 13 | */ |
| 14 | class Jetpack_Subscribe_Modal_Button { |
| 15 | /** |
| 16 | * Jetpack_Subscribe_Modal_Button singleton instance. |
| 17 | * |
| 18 | * @var Jetpack_Subscribe_Modal_Button|null |
| 19 | */ |
| 20 | private static $instance; |
| 21 | |
| 22 | /** |
| 23 | * Jetpack_Subscribe_Modal_Button instance init. |
| 24 | */ |
| 25 | public static function init() { |
| 26 | if ( self::$instance === null ) { |
| 27 | self::$instance = new Jetpack_Subscribe_Modal_Button(); |
| 28 | } |
| 29 | |
| 30 | return self::$instance; |
| 31 | } |
| 32 | |
| 33 | const BLOCK_TEMPLATE_PART_SLUG = 'jetpack-subscribe-modal-button'; |
| 34 | |
| 35 | /** |
| 36 | * Returns the block template part ID. |
| 37 | * |
| 38 | * @return string |
| 39 | */ |
| 40 | public static function get_block_template_part_id() { |
| 41 | return get_stylesheet() . '//' . self::BLOCK_TEMPLATE_PART_SLUG; |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Jetpack_Subscribe_Modal_Button class constructor. |
| 46 | */ |
| 47 | public function __construct() { |
| 48 | add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_assets' ) ); |
| 49 | add_action( 'wp_footer', array( $this, 'add_subscribe_modal_button_to_frontend' ) ); |
| 50 | add_filter( 'get_block_template', array( $this, 'get_block_template_filter' ), 10, 3 ); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Enqueues the pop-up's stylesheet. Unlike Jetpack_Subscribe_Modal, this |
| 55 | * pop-up is click-triggered rather than scroll/timer-triggered, so it's |
| 56 | * printed unconditionally (cheap no-op if no "Button only" Subscribe |
| 57 | * block is present on the page — nothing ever opens it). |
| 58 | * |
| 59 | * @return void |
| 60 | */ |
| 61 | public function enqueue_assets() { |
| 62 | wp_enqueue_style( 'subscribe-modal-button-css', plugins_url( 'subscribe-modal-button.css', __FILE__ ), array(), JETPACK__VERSION ); |
| 63 | wp_enqueue_script( 'subscribe-modal-button-js', plugins_url( 'subscribe-modal-button.js', __FILE__ ), array( 'wp-dom-ready' ), JETPACK__VERSION, true ); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Adds the (initially closed) pop-up markup to the page footer. |
| 68 | * |
| 69 | * @return void |
| 70 | */ |
| 71 | public function add_subscribe_modal_button_to_frontend() { |
| 72 | ?> |
| 73 | <div class="jetpack-subscribe-modal-button"> |
| 74 | <div class="jetpack-subscribe-modal-button__modal-content"> |
| 75 | <?php block_template_part( self::BLOCK_TEMPLATE_PART_SLUG ); ?> |
| 76 | </div> |
| 77 | </div> |
| 78 | <?php |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Makes get_block_template return the WP_Block_Template for this pop-up. |
| 83 | * |
| 84 | * @param WP_Block_Template $block_template The block template to be returned. |
| 85 | * @param string $id Template unique identifier (example: theme_slug//template_slug). |
| 86 | * @param string $template_type Template type: `'wp_template'` or '`wp_template_part'`. |
| 87 | * |
| 88 | * @return WP_Block_Template |
| 89 | */ |
| 90 | public function get_block_template_filter( $block_template, $id, $template_type ) { |
| 91 | if ( empty( $block_template ) && $template_type === 'wp_template_part' ) { |
| 92 | if ( $id === self::get_block_template_part_id() ) { |
| 93 | return $this->get_template(); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | return $block_template; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Returns a custom template for the pop-up. |
| 102 | * |
| 103 | * @return WP_Block_Template |
| 104 | */ |
| 105 | public function get_template() { |
| 106 | $template = new WP_Block_Template(); |
| 107 | $template->theme = get_stylesheet(); |
| 108 | $template->slug = self::BLOCK_TEMPLATE_PART_SLUG; |
| 109 | $template->id = self::get_block_template_part_id(); |
| 110 | $template->area = 'uncategorized'; |
| 111 | $template->content = $this->get_subscribe_modal_button_template_content(); |
| 112 | $template->source = 'plugin'; |
| 113 | $template->type = 'wp_template_part'; |
| 114 | $template->title = __( 'Jetpack Subscribe button modal', 'jetpack' ); |
| 115 | $template->status = 'publish'; |
| 116 | $template->has_theme_file = false; |
| 117 | $template->is_custom = true; |
| 118 | $template->description = __( 'The pop-up shown when a visitor clicks a "Button only" style Subscribe block.', 'jetpack' ); |
| 119 | |
| 120 | return $template; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Returns the initial content of the pop-up template. |
| 125 | * This can then be edited by the user. |
| 126 | * |
| 127 | * Seeds the heading from the legacy `subscribe_modal_heading` site |
| 128 | * setting when present, so a site that already customized it via the |
| 129 | * Newsletter settings page doesn't silently lose that text the first |
| 130 | * time this ships. Once the owner edits this template part directly, the |
| 131 | * template part becomes the sole source of truth for the heading. |
| 132 | * |
| 133 | * @return string |
| 134 | */ |
| 135 | public function get_subscribe_modal_button_template_content() { |
| 136 | $subscription_options = (array) get_option( 'subscription_options', array() ); |
| 137 | $legacy_heading = isset( $subscription_options['subscribe_modal_heading'] ) |
| 138 | ? trim( (string) $subscription_options['subscribe_modal_heading'] ) |
| 139 | : ''; |
| 140 | $heading_text = '' !== $legacy_heading |
| 141 | ? $legacy_heading |
| 142 | : __( 'Subscribe now to stay ahead and never miss a beat!', 'jetpack' ); |
| 143 | |
| 144 | $group_block_name = esc_attr__( 'Subscribe button pop-up container', 'jetpack' ); |
| 145 | |
| 146 | return <<<HTML |
| 147 | <!-- wp:group {"metadata":{"name":"$group_block_name"},"style":{"spacing":{"padding":{"top":"32px","bottom":"32px","left":"32px","right":"32px"},"margin":{"top":"0","bottom":"0"}},"border":{"color":"#dddddd","width":"1px"}},"layout":{"type":"constrained","contentSize":"450px"}} --> |
| 148 | <div class="wp-block-group has-border-color" style="border-color:#dddddd;border-width:1px;margin-top:0;margin-bottom:0;padding-top:32px;padding-right:32px;padding-bottom:32px;padding-left:32px"> |
| 149 | |
| 150 | <!-- wp:heading {"textAlign":"center","level":3,"style":{"typography":{"fontStyle":"normal","fontWeight":"600","fontSize":"22px"},"spacing":{"margin":{"top":"4px","bottom":"10px"}}}} --> |
| 151 | <h3 class="wp-block-heading has-text-align-center" style="margin-top:4px;margin-bottom:10px;font-size:22px;font-style:normal;font-weight:600">$heading_text</h3> |
| 152 | <!-- /wp:heading --> |
| 153 | |
| 154 | <!-- wp:jetpack/subscriptions {"borderRadius":50,"className":"is-style-compact","appSource":"subscribe-modal-button"} /--> |
| 155 | </div> |
| 156 | <!-- /wp:group --> |
| 157 | HTML; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | Jetpack_Subscribe_Modal_Button::init(); |
| 162 | |
| 163 | add_action( |
| 164 | 'rest_api_switched_to_blog', |
| 165 | function () { |
| 166 | Jetpack_Subscribe_Modal_Button::init(); |
| 167 | } |
| 168 | ); |