87 lines
2.2 KiB
PHP
87 lines
2.2 KiB
PHP
<?php
|
|
/**
|
|
* Image Compare Block.
|
|
*
|
|
* @since 8.6
|
|
*
|
|
* @package automattic/jetpack
|
|
*/
|
|
|
|
namespace Automattic\Jetpack\Extensions\ImageCompare;
|
|
|
|
use Automattic\Jetpack\Blocks;
|
|
use Jetpack_Gutenberg;
|
|
|
|
/**
|
|
* Registers the block for use in Gutenberg
|
|
* This is done via an action so that we can disable
|
|
* registration if we need to.
|
|
*/
|
|
function register_block() {
|
|
Blocks::jetpack_register_block(
|
|
__DIR__,
|
|
array( 'render_callback' => __NAMESPACE__ . '\load_assets' )
|
|
);
|
|
}
|
|
add_action( 'init', __NAMESPACE__ . '\register_block' );
|
|
|
|
/**
|
|
* Image Compare block registration/dependency declaration.
|
|
*
|
|
* @param array $attr Array containing the image-compare block attributes.
|
|
* @param string $content String containing the image-compare block content.
|
|
*
|
|
* @return string
|
|
*/
|
|
function load_assets( $attr, $content ) {
|
|
Jetpack_Gutenberg::load_assets_as_required( __DIR__ );
|
|
wp_localize_script(
|
|
'jetpack-block-' . sanitize_title_with_dashes( Blocks::get_block_feature( __DIR__ ) ),
|
|
'imageCompareHandle',
|
|
array(
|
|
'msg' => __( 'Slide to compare images', 'jetpack' ),
|
|
)
|
|
);
|
|
if ( Blocks::is_amp_request() ) {
|
|
$content = preg_replace(
|
|
'#<div class="juxtapose".+?</div>#s',
|
|
render_amp( $attr ),
|
|
$content
|
|
);
|
|
}
|
|
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* Render image compare block for AMP
|
|
*
|
|
* @param array $attr Array containing the image-compare block attributes.
|
|
*
|
|
* @return string Markup for amp-image-slider.
|
|
*/
|
|
function render_amp( $attr ) {
|
|
$img_before = $attr['imageBefore'];
|
|
$img_after = $attr['imageAfter'];
|
|
|
|
$width = ! empty( $img_before['width'] ) ? absint( $img_before['width'] ) : 0;
|
|
$height = ! empty( $img_before['height'] ) ? absint( $img_before['height'] ) : 0;
|
|
|
|
// As fallback, give 1:1 aspect ratio.
|
|
if ( ! $width || ! $height ) {
|
|
$width = 1;
|
|
$height = 1;
|
|
}
|
|
|
|
return sprintf(
|
|
'<amp-image-slider layout="responsive" width="%1$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>',
|
|
esc_attr( $width ),
|
|
esc_attr( $height ),
|
|
absint( $img_before['id'] ),
|
|
esc_url( $img_before['url'] ),
|
|
esc_attr( $img_before['alt'] ),
|
|
absint( $img_after['id'] ),
|
|
esc_url( $img_after['url'] ),
|
|
esc_attr( $img_after['alt'] )
|
|
);
|
|
}
|