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<?php
/**
* GIF Block.
*
* @since 7.0.0
*
* @package automattic/jetpack
*/
namespace Automattic\Jetpack\Extensions\Gif;
use Automattic\Jetpack\Blocks;
use Jetpack_Gutenberg;
const FEATURE_NAME = 'gif';
const BLOCK_NAME = 'jetpack/' . FEATURE_NAME;
/**
* 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(
BLOCK_NAME,
array( 'render_callback' => __NAMESPACE__ . '\render_block' )
);
}
add_action( 'init', __NAMESPACE__ . '\register_block' );
/**
* Gif block registration/dependency declaration.
*
* @param array $attr - Array containing the gif block attributes.
*
* @return string
*/
function render_block( $attr ) {
$padding_top = isset( $attr['paddingTop'] ) ? $attr['paddingTop'] : 0;
$style = 'padding-top:' . $padding_top;
$giphy_url = isset( $attr['giphyUrl'] )
? Jetpack_Gutenberg::validate_block_embed_url( $attr['giphyUrl'], array( 'giphy.com' ) )
: null;
$search_text = isset( $attr['searchText'] ) ? $attr['searchText'] : '';
$caption = isset( $attr['caption'] ) ? $attr['caption'] : null;
if ( ! $giphy_url ) {
return null;
}
$classes = Blocks::classes( FEATURE_NAME, $attr );
$placeholder = sprintf( '<a href="%s">%s</a>', esc_url( $giphy_url ), esc_attr( $search_text ) );
ob_start();
?>
<div class="<?php echo esc_attr( $classes ); ?>">
<figure>
<?php if ( Blocks::is_amp_request() ) : ?>
<amp-iframe src="<?php echo esc_url( $giphy_url ); ?>" width="100" height="<?php echo absint( $padding_top ); ?>" sandbox="allow-scripts allow-same-origin" layout="responsive">
<div placeholder>
<?php echo wp_kses_post( $placeholder ); ?>
</div>
</amp-iframe>
<?php else : ?>
<div class="wp-block-jetpack-gif-wrapper" style="<?php echo esc_attr( $style ); ?>">
<iframe src="<?php echo esc_url( $giphy_url ); ?>" title="<?php echo esc_attr( $search_text ); ?>"></iframe>
</div>
<?php endif; ?>
<?php if ( $caption ) : ?>
<figcaption class="wp-block-jetpack-gif-caption gallery-caption"><?php echo wp_kses_post( $caption ); ?></figcaption>
<?php endif; ?>
</figure>
</div>
<?php
$html = ob_get_clean();
Jetpack_Gutenberg::load_assets_as_required( FEATURE_NAME );
return $html;
}