Add upstream

wp-content/plugins/jetpack/extensions/blocks/gif/gif.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * GIF Block.
+ *
+ * @since 7.0.0
+ *
+ * @package Jetpack
+ */
+
+jetpack_register_block(
+	'jetpack/gif',
+	array(
+		'render_callback' => 'jetpack_gif_block_render',
+	)
+);
+
+/**
+ * Gif block registration/dependency declaration.
+ *
+ * @param array $attr - Array containing the gif block attributes.
+ *
+ * @return string
+ */
+function jetpack_gif_block_render( $attr ) {
+	$padding_top = isset( $attr['paddingTop'] ) ? $attr['paddingTop'] : 0;
+	$style       = 'padding-top:' . $padding_top;
+	$giphy_url   = isset( $attr['giphyUrl'] ) ? $attr['giphyUrl'] : null;
+	$search_text = isset( $attr['searchText'] ) ? $attr['searchText'] : '';
+	$caption     = isset( $attr['caption'] ) ? $attr['caption'] : null;
+
+	if ( ! $giphy_url ) {
+		return null;
+	}
+
+	/* TODO: replace with centralized block_class function */
+	$align   = isset( $attr['align'] ) ? $attr['align'] : 'center';
+	$type    = 'gif';
+	$classes = array(
+		'wp-block-jetpack-' . $type,
+		'align' . $align,
+	);
+	if ( isset( $attr['className'] ) ) {
+		array_push( $classes, $attr['className'] );
+	}
+	$classes     = implode( $classes, ' ' );
+	$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 ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::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( 'gif' );
+
+	return $html;
+}