80 lines
2.1 KiB
PHP
80 lines
2.1 KiB
PHP
<?php
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/**
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* Image Compare block render implementation.
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*
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* Loaded lazily from image-compare.php only when the block is rendered, to keep
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* the render body out of the eager front-end PHP/opcache footprint.
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*
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* @package automattic/jetpack
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*/
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namespace Automattic\Jetpack\Extensions\ImageCompare;
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use Automattic\Jetpack\Blocks;
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use Jetpack_Gutenberg;
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if ( ! defined( 'ABSPATH' ) ) {
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exit( 0 );
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}
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/**
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* Dynamic rendering of the block.
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*
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* @param array $attr Array containing the image-compare block attributes.
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* @param string $content String containing the image-compare block content.
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*
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* @return string
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*/
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function render_implementation( $attr, $content ) {
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Jetpack_Gutenberg::load_assets_as_required( __DIR__ );
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wp_localize_script(
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'jetpack-block-' . sanitize_title_with_dashes( Blocks::get_block_feature( __DIR__ ) ),
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'imageCompareHandle',
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array(
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'msg' => __( 'Slide to compare images', 'jetpack' ),
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)
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);
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if ( Blocks::is_amp_request() ) {
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$content = preg_replace(
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'#<div class="juxtapose".+?</div>#s',
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render_amp( $attr ),
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$content
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);
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}
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return $content;
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}
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/**
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* Render image compare block for AMP
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*
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* @param array $attr Array containing the image-compare block attributes.
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*
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* @return string Markup for amp-image-slider.
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*/
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function render_amp( $attr ) {
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$img_before = $attr['imageBefore'];
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$img_after = $attr['imageAfter'];
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$width = ! empty( $img_before['width'] ) ? absint( $img_before['width'] ) : 0;
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$height = ! empty( $img_before['height'] ) ? absint( $img_before['height'] ) : 0;
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// As fallback, give 1:1 aspect ratio.
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if ( ! $width || ! $height ) {
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$width = 1;
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$height = 1;
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}
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return sprintf(
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'<amp-image-slider layout="responsive" width="%1$s" height="%2$s"> <amp-img id="%3$d" src="%4$s" alt="%5$s" layout="fill"></amp-img> <amp-img id="%6$d" src="%7$s" alt="%8$s" layout="fill"></amp-img></amp-image-slider>',
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esc_attr( $width ),
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esc_attr( $height ),
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absint( $img_before['id'] ?? 0 ),
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esc_url( $img_before['url'] ?? '' ),
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esc_attr( $img_before['alt'] ?? '' ),
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absint( $img_after['id'] ?? 0 ),
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esc_url( $img_after['url'] ?? '' ),
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esc_attr( $img_after['alt'] ?? '' )
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);
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}
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