From a415c29efee45520ae252d2aa28f1083a521cd7b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 09:56:49 +0200
Subject: Adding upstream version 6.4.3+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 wp-includes/block-supports/spacing.php | 89 ++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 wp-includes/block-supports/spacing.php

(limited to 'wp-includes/block-supports/spacing.php')

diff --git a/wp-includes/block-supports/spacing.php b/wp-includes/block-supports/spacing.php
new file mode 100644
index 0000000..e190d99
--- /dev/null
+++ b/wp-includes/block-supports/spacing.php
@@ -0,0 +1,89 @@
+<?php
+/**
+ * Spacing block support flag.
+ *
+ * For backwards compatibility, this remains separate to the dimensions.php
+ * block support despite both belonging under a single panel in the editor.
+ *
+ * @package WordPress
+ * @since 5.8.0
+ */
+
+/**
+ * Registers the style block attribute for block types that support it.
+ *
+ * @since 5.8.0
+ * @access private
+ *
+ * @param WP_Block_Type $block_type Block Type.
+ */
+function wp_register_spacing_support( $block_type ) {
+	$has_spacing_support = block_has_support( $block_type, 'spacing', false );
+
+	// Setup attributes and styles within that if needed.
+	if ( ! $block_type->attributes ) {
+		$block_type->attributes = array();
+	}
+
+	if ( $has_spacing_support && ! array_key_exists( 'style', $block_type->attributes ) ) {
+		$block_type->attributes['style'] = array(
+			'type' => 'object',
+		);
+	}
+}
+
+/**
+ * Adds CSS classes for block spacing to the incoming attributes array.
+ * This will be applied to the block markup in the front-end.
+ *
+ * @since 5.8.0
+ * @since 6.1.0 Implemented the style engine to generate CSS and classnames.
+ * @access private
+ *
+ * @param WP_Block_Type $block_type       Block Type.
+ * @param array         $block_attributes Block attributes.
+ * @return array Block spacing CSS classes and inline styles.
+ */
+function wp_apply_spacing_support( $block_type, $block_attributes ) {
+	if ( wp_should_skip_block_supports_serialization( $block_type, 'spacing' ) ) {
+		return array();
+	}
+
+	$attributes          = array();
+	$has_padding_support = block_has_support( $block_type, array( 'spacing', 'padding' ), false );
+	$has_margin_support  = block_has_support( $block_type, array( 'spacing', 'margin' ), false );
+	$block_styles        = isset( $block_attributes['style'] ) ? $block_attributes['style'] : null;
+
+	if ( ! $block_styles ) {
+		return $attributes;
+	}
+
+	$skip_padding         = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'padding' );
+	$skip_margin          = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'margin' );
+	$spacing_block_styles = array(
+		'padding' => null,
+		'margin'  => null,
+	);
+	if ( $has_padding_support && ! $skip_padding ) {
+		$spacing_block_styles['padding'] = isset( $block_styles['spacing']['padding'] ) ? $block_styles['spacing']['padding'] : null;
+	}
+	if ( $has_margin_support && ! $skip_margin ) {
+		$spacing_block_styles['margin'] = isset( $block_styles['spacing']['margin'] ) ? $block_styles['spacing']['margin'] : null;
+	}
+	$styles = wp_style_engine_get_styles( array( 'spacing' => $spacing_block_styles ) );
+
+	if ( ! empty( $styles['css'] ) ) {
+		$attributes['style'] = $styles['css'];
+	}
+
+	return $attributes;
+}
+
+// Register the block support.
+WP_Block_Supports::get_instance()->register(
+	'spacing',
+	array(
+		'register_attribute' => 'wp_register_spacing_support',
+		'apply'              => 'wp_apply_spacing_support',
+	)
+);
-- 
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