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wp/wp-includes/block-supports/colors.php
changeset 21 48c4eec2b7e6
parent 19 3d72ae0968f4 
--- a/wp/wp-includes/block-supports/colors.php	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/block-supports/colors.php	Fri Sep 05 18:40:08 2025 +0200
@@ -10,23 +10,32 @@
  * Registers the style and colors block attributes for block types that support it.
  *
  * @since 5.6.0
+ * @since 6.1.0 Improved $color_support assignment optimization.
  * @access private
  *
  * @param WP_Block_Type $block_type Block Type.
  */
 function wp_register_colors_support( $block_type ) {
 	$color_support = false;
-	if ( property_exists( $block_type, 'supports' ) ) {
-		$color_support = _wp_array_get( $block_type->supports, array( 'color' ), false );
+	if ( $block_type instanceof WP_Block_Type ) {
+		$color_support = isset( $block_type->supports['color'] ) ? $block_type->supports['color'] : false;
 	}
-	$has_text_colors_support       = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'text' ), true ) );
-	$has_background_colors_support = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'background' ), true ) );
-	$has_gradients_support         = _wp_array_get( $color_support, array( 'gradients' ), false );
-	$has_link_colors_support       = _wp_array_get( $color_support, array( 'link' ), false );
+	$has_text_colors_support       = true === $color_support ||
+		( isset( $color_support['text'] ) && $color_support['text'] ) ||
+		( is_array( $color_support ) && ! isset( $color_support['text'] ) );
+	$has_background_colors_support = true === $color_support ||
+		( isset( $color_support['background'] ) && $color_support['background'] ) ||
+		( is_array( $color_support ) && ! isset( $color_support['background'] ) );
+	$has_gradients_support         = isset( $color_support['gradients'] ) ? $color_support['gradients'] : false;
+	$has_link_colors_support       = isset( $color_support['link'] ) ? $color_support['link'] : false;
+	$has_button_colors_support     = isset( $color_support['button'] ) ? $color_support['button'] : false;
+	$has_heading_colors_support    = isset( $color_support['heading'] ) ? $color_support['heading'] : false;
 	$has_color_support             = $has_text_colors_support ||
 		$has_background_colors_support ||
 		$has_gradients_support ||
-		$has_link_colors_support;
+		$has_link_colors_support ||
+		$has_button_colors_support ||
+		$has_heading_colors_support;
 
 	if ( ! $block_type->attributes ) {
 		$block_type->attributes = array();
@@ -59,10 +68,11 @@
 
 
 /**
- * Add CSS classes and inline styles for colors to the incoming attributes array.
+ * Adds CSS classes and inline styles for colors to the incoming attributes array.
  * This will be applied to the block markup in the front-end.
  *
  * @since 5.6.0
+ * @since 6.1.0 Implemented the style engine to generate CSS and classnames.
  * @access private
  *
  * @param  WP_Block_Type $block_type       Block type.
@@ -71,7 +81,7 @@
  * @return array Colors CSS classes and inline styles.
  */
 function wp_apply_colors_support( $block_type, $block_attributes ) {
-	$color_support = _wp_array_get( $block_type->supports, array( 'color' ), false );
+	$color_support = isset( $block_type->supports['color'] ) ? $block_type->supports['color'] : false;
 
 	if (
 		is_array( $color_support ) &&
@@ -80,69 +90,45 @@
 		return array();
 	}
 
-	$has_text_colors_support       = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'text' ), true ) );
-	$has_background_colors_support = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'background' ), true ) );
-	$has_gradients_support         = _wp_array_get( $color_support, array( 'gradients' ), false );
-	$classes                       = array();
-	$styles                        = array();
+	$has_text_colors_support       = true === $color_support ||
+		( isset( $color_support['text'] ) && $color_support['text'] ) ||
+		( is_array( $color_support ) && ! isset( $color_support['text'] ) );
+	$has_background_colors_support = true === $color_support ||
+		( isset( $color_support['background'] ) && $color_support['background'] ) ||
+		( is_array( $color_support ) && ! isset( $color_support['background'] ) );
+	$has_gradients_support         = isset( $color_support['gradients'] ) ? $color_support['gradients'] : false;
+	$color_block_styles            = array();
 
 	// Text colors.
-	// Check support for text colors.
 	if ( $has_text_colors_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'text' ) ) {
-		$has_named_text_color  = array_key_exists( 'textColor', $block_attributes );
-		$has_custom_text_color = isset( $block_attributes['style']['color']['text'] );
-
-		// Apply required generic class.
-		if ( $has_custom_text_color || $has_named_text_color ) {
-			$classes[] = 'has-text-color';
-		}
-		// Apply color class or inline style.
-		if ( $has_named_text_color ) {
-			$classes[] = sprintf( 'has-%s-color', _wp_to_kebab_case( $block_attributes['textColor'] ) );
-		} elseif ( $has_custom_text_color ) {
-			$styles[] = sprintf( 'color: %s;', $block_attributes['style']['color']['text'] );
-		}
+		$preset_text_color          = array_key_exists( 'textColor', $block_attributes ) ? "var:preset|color|{$block_attributes['textColor']}" : null;
+		$custom_text_color          = isset( $block_attributes['style']['color']['text'] ) ? $block_attributes['style']['color']['text'] : null;
+		$color_block_styles['text'] = $preset_text_color ? $preset_text_color : $custom_text_color;
 	}
 
 	// Background colors.
 	if ( $has_background_colors_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'background' ) ) {
-		$has_named_background_color  = array_key_exists( 'backgroundColor', $block_attributes );
-		$has_custom_background_color = isset( $block_attributes['style']['color']['background'] );
-
-		// Apply required background class.
-		if ( $has_custom_background_color || $has_named_background_color ) {
-			$classes[] = 'has-background';
-		}
-		// Apply background color classes or styles.
-		if ( $has_named_background_color ) {
-			$classes[] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $block_attributes['backgroundColor'] ) );
-		} elseif ( $has_custom_background_color ) {
-			$styles[] = sprintf( 'background-color: %s;', $block_attributes['style']['color']['background'] );
-		}
+		$preset_background_color          = array_key_exists( 'backgroundColor', $block_attributes ) ? "var:preset|color|{$block_attributes['backgroundColor']}" : null;
+		$custom_background_color          = isset( $block_attributes['style']['color']['background'] ) ? $block_attributes['style']['color']['background'] : null;
+		$color_block_styles['background'] = $preset_background_color ? $preset_background_color : $custom_background_color;
 	}
 
 	// Gradients.
 	if ( $has_gradients_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'gradients' ) ) {
-		$has_named_gradient  = array_key_exists( 'gradient', $block_attributes );
-		$has_custom_gradient = isset( $block_attributes['style']['color']['gradient'] );
-
-		if ( $has_named_gradient || $has_custom_gradient ) {
-			$classes[] = 'has-background';
-		}
-		// Apply required background class.
-		if ( $has_named_gradient ) {
-			$classes[] = sprintf( 'has-%s-gradient-background', _wp_to_kebab_case( $block_attributes['gradient'] ) );
-		} elseif ( $has_custom_gradient ) {
-			$styles[] = sprintf( 'background: %s;', $block_attributes['style']['color']['gradient'] );
-		}
+		$preset_gradient_color          = array_key_exists( 'gradient', $block_attributes ) ? "var:preset|gradient|{$block_attributes['gradient']}" : null;
+		$custom_gradient_color          = isset( $block_attributes['style']['color']['gradient'] ) ? $block_attributes['style']['color']['gradient'] : null;
+		$color_block_styles['gradient'] = $preset_gradient_color ? $preset_gradient_color : $custom_gradient_color;
 	}
 
 	$attributes = array();
-	if ( ! empty( $classes ) ) {
-		$attributes['class'] = implode( ' ', $classes );
+	$styles     = wp_style_engine_get_styles( array( 'color' => $color_block_styles ), array( 'convert_vars_to_classnames' => true ) );
+
+	if ( ! empty( $styles['classnames'] ) ) {
+		$attributes['class'] = $styles['classnames'];
 	}
-	if ( ! empty( $styles ) ) {
-		$attributes['style'] = implode( ' ', $styles );
+
+	if ( ! empty( $styles['css'] ) ) {
+		$attributes['style'] = $styles['css'];
 	}
 
 	return $attributes;
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