From 0b6e43ac34d894f5f65bd03f2b8f5c5e504feb63 Mon Sep 17 00:00:00 2001
From: Lance Willett <nanobar@gmail.com>
Date: Fri, 1 Mar 2013 17:14:59 +0000
Subject: [PATCH] Twenty Twelve: better handling for cases where a background
 color is set to white or an empty value (like first run with no `theme_mods`
 set) and a background image is enabled, which resulted previously in a broken
 layout. Fixes #23586, props obenland.

git-svn-id: http://core.svn.wordpress.org/trunk@23568 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 functions.php          | 13 ++++++++-----
 js/theme-customizer.js | 28 +++++++++++++++++++++-------
 2 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/functions.php b/functions.php
index 580d038f9..7f050f1a3 100644
--- a/functions.php
+++ b/functions.php
@@ -383,6 +383,7 @@ endif;
  */
 function twentytwelve_body_class( $classes ) {
 	$background_color = get_background_color();
+	$background_image = get_background_image();
 
 	if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) )
 		$classes[] = 'full-width';
@@ -395,10 +396,12 @@ function twentytwelve_body_class( $classes ) {
 			$classes[] = 'two-sidebars';
 	}
 
-	if ( empty( $background_color ) )
-		$classes[] = 'custom-background-empty';
-	elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
-		$classes[] = 'custom-background-white';
+	if ( empty( $background_image ) ) {
+		if ( empty( $background_color ) )
+			$classes[] = 'custom-background-empty';
+		elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
+			$classes[] = 'custom-background-white';
+	}
 
 	// Enable custom font class only if the font CSS is queued to load.
 	if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) )
@@ -445,6 +448,6 @@ add_action( 'customize_register', 'twentytwelve_customize_register' );
  * @since Twenty Twelve 1.0
  */
 function twentytwelve_customize_preview_js() {
-	wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20120827', true );
+	wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20130301', true );
 }
 add_action( 'customize_preview_init', 'twentytwelve_customize_preview_js' );
diff --git a/js/theme-customizer.js b/js/theme-customizer.js
index 607ea883e..1275d494b 100644
--- a/js/theme-customizer.js
+++ b/js/theme-customizer.js
@@ -18,15 +18,29 @@
 		} );
 	} );
 
-	// Hook into background color change and adjust body class value as needed.
+	// Hook into background color/image change and adjust body class value as needed.
 	wp.customize( 'background_color', function( value ) {
 		value.bind( function( to ) {
-			if ( '#ffffff' == to || '#fff' == to )
-				$( 'body' ).addClass( 'custom-background-white' );
-			else if ( '' == to )
-				$( 'body' ).addClass( 'custom-background-empty' );
+			var body = $( 'body' );
+
+			if ( ( '#ffffff' == to || '#fff' == to ) && 'none' == body.css( 'background-image' ) )
+				body.addClass( 'custom-background-white' );
+			else if ( '' == to && 'none' == body.css( 'background-image' ) )
+				body.addClass( 'custom-background-empty' );
 			else
-				$( 'body' ).removeClass( 'custom-background-empty custom-background-white' );
+				body.removeClass( 'custom-background-empty custom-background-white' );
 		} );
 	} );
-} )( jQuery );
\ No newline at end of file
+	wp.customize( 'background_image', function( value ) {
+		value.bind( function( to ) {
+			var body = $( 'body' );
+
+			if ( '' != to )
+				body.removeClass( 'custom-background-empty custom-background-white' );
+			else if ( 'rgb(255, 255, 255)' == body.css( 'background-color' ) )
+				body.addClass( 'custom-background-white' );
+			else if ( 'rgb(230, 230, 230)' == body.css( 'background-color' ) && '' == _wpCustomizeSettings.values.background_color )
+				body.addClass( 'custom-background-empty' );
+		} );
+	} );
+} )( jQuery );