Changeset 16674

Timestamp:

12/02/2010 12:16:35 AM (14 years ago)

Author:

nacin

Message:

Introduce remove_custom_image_header(). see #14903.

File:

• trunk/wp-includes/theme.php (modified) (2 diffs)

trunk/wp-includes/theme.php

@@ -1445 +1445 @@
  * @param callback $admin_image_div_callback Output a custom header image div on the custom header administration screen. Optional.
  */
-function add_custom_image_header($header_callback, $admin_header_callback, $admin_image_div_callback = '') {
-    if ( ! empty($header_callback) )
+function add_custom_image_header( $header_callback, $admin_header_callback, $admin_image_div_callback = '' ) {
+    if ( ! empty( $header_callback ) )
         add_action('wp_head', $header_callback);
 
-    add_theme_support( 'custom-header' );
+    add_theme_support( 'custom-header', array( 'callback' => $header_callback ) );
     add_theme_support( 'custom-header-uploads' );
 
     if ( ! is_admin() )
         return;
-    require_once(ABSPATH . 'wp-admin/custom-header.php');
-    $GLOBALS['custom_image_header'] =& new Custom_Image_Header($admin_header_callback, $admin_image_div_callback);
-    add_action('admin_menu', array(&$GLOBALS['custom_image_header'], 'init'));
+
+    global $custom_image_header;
+
+    require_once( ABSPATH . 'wp-admin/custom-header.php' );
+    $custom_image_header = new Custom_Image_Header( $admin_header_callback, $admin_image_div_callback );
+    add_action( 'admin_menu', array( &$custom_image_header, 'init' ) );
+}
+
+/**
+ * Remove image header support.
+ *
+ * @since 3.1.0
+ * @see add_custom_image_header()
+ *
+ * @return bool Whether support was removed.
+ */
+function remove_custom_image_header() {
+    if ( ! current_theme_supports( 'custom-header' ) )
+        return false;
+    
+    $callback = get_theme_support( 'custom-header' );
+    remove_action( 'wp_head', $callback['callback'] );
+    _remove_theme_support( 'custom-header' );
+    remove_theme_support( 'custom-header-uploads' );
+
+    if ( ! is_admin() )
+        return;
+
+    global $custom_image_header;
+
+    remove_action( 'admin_menu', array( &$custom_image_header, 'init' ) );
+
+    unset( $GLOBALS['custom_image_header'] );
+    return true;
 }
 
@@ -1695 +1726 @@
     if ( in_array( $feature, array( 'custom-background', 'custom-header', 'editor-style', 'widgets', 'menus' ) ) )
         return false;
-
+    return _remove_theme_support( $feature );
+}
+
+/**
+ * Removes theme support internally, ignorant of the blacklist.
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _remove_theme_support( $feature ) {
     global $_wp_theme_features;