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<?php |
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/** |
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* Effects Extension. |
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* |
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* @package ghostkit |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Class GhostKit_Extension_Effects |
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*/ |
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class GhostKit_Extension_Effects { |
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/** |
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* GhostKit_Extension_Effects constructor. |
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*/ |
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public function __construct() { |
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GhostKit_Extensions::register( |
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'effects', |
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array( |
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'default_supports' => array( |
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'effects' => array( |
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'reveal' => true, |
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'mouseHover' => true, |
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'mousePress' => true, |
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'mouseMove' => true, |
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'scroll' => true, |
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'loop' => true, |
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), |
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), |
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'render_block' => array( $this, 'render_block' ), |
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) |
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); |
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|
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add_action( 'wp_head', array( $this, 'add_reveal_styles' ) ); |
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} |
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|
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/** |
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* Renders attributes to the block wrapper. |
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* |
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* @param string $block_content Rendered block content. |
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* @param array $block Block object. |
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* @param WP_Block_Type $block_type Block type. |
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* |
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* @return string Filtered block content. |
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*/ |
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public function render_block( $block_content, $block, $block_type ) { |
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$has_effects_support = block_has_support( $block_type, array( 'ghostkit', 'effects' ), null ); |
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|
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if ( ! $has_effects_support ) { |
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return $block_content; |
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} |
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|
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$effects_data = array(); |
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|
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$has_reveal_support = block_has_support( $block_type, array( 'ghostkit', 'effects', 'reveal' ), null ); |
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$reveal_data = _wp_array_get( $block['attrs'], array( 'ghostkit', 'effects', 'reveal' ), false ); |
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|
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if ( $has_reveal_support && $reveal_data && is_array( $reveal_data ) ) { |
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$effects_data['reveal'] = $reveal_data; |
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} |
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|
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$effects_data = apply_filters( 'gkt_extension_effects_data', $effects_data, $block_content, $block, $block_type ); |
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|
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if ( empty( $effects_data ) ) { |
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return $block_content; |
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} |
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|
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// Inject data attribute to block container markup. |
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$processor = new WP_HTML_Tag_Processor( $block_content ); |
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|
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if ( $processor->next_tag() ) { |
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$effects_data_string = wp_json_encode( $effects_data ); |
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|
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$processor->set_attribute( 'data-gkt-effects', esc_attr( $effects_data_string ) ); |
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|
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if ( ! empty( $effects_data['reveal'] ) ) { |
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$processor->add_class( 'ghostkit-effects-reveal' ); |
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} |
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|
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$processor = apply_filters( 'gkt_extension_effects_tag_processor', $processor, $effects_data, $block_content, $block, $block_type ); |
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} |
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|
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return $processor->get_updated_html(); |
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} |
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|
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/** |
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* Add styles using JS for effects reveal feature. |
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* As we need to hide blocks, we should make sure that |
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* 1. JS is enabled in the browser. |
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* 2. User has not set reduced motion in the OS settings. |
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*/ |
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public function add_reveal_styles() { |
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?> |
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<style type="text/css"> |
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.ghostkit-effects-enabled .ghostkit-effects-reveal { |
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pointer-events: none; |
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visibility: hidden; |
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} |
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</style> |
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<script> |
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if (!window.matchMedia('(prefers-reduced-motion: reduce)').matches) { |
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document.documentElement.classList.add( |
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'ghostkit-effects-enabled' |
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); |
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} |
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</script> |
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<?php |
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} |
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} |
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|
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new GhostKit_Extension_Effects(); |
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|
