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<?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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|
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namespace Automattic\Jetpack\Extensions\ImageCompare; |
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|
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use Automattic\Jetpack\Blocks; |
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use Jetpack_Gutenberg; |
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|
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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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/** |
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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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|
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return $content; |
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} |
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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 = $attr['imageAfter']; |
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|
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$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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|
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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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$height = 1; |
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} |
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|
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return sprintf( |
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'<amp-image-slider layout="responsive" width="%1$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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|
