Ticket #20819: 20819.2.patch

wp-admin/custom-header.php

@@ -96 +96 @@
 
                 add_filter( 'attachment_fields_to_edit', array( $this, 'attachment_fields_to_edit' ), 10, 2 );
                 add_filter( 'media_upload_tabs', array( $this, 'filter_upload_tabs' ) );
+                add_filter( 'media_upload_mime_type_links', array( $this, 'filter_upload_mime_type_links' ) );
         }
 
         /**
@@ -805 +806 @@
         }
 
 
+        /**
+         * Upload the file to be cropped in the second step.
+         *
+         * @since 3.4.0
+         */
         function step_2_manage_upload() {
                 $overrides = array('test_form' => false);
                 $file = wp_handle_upload($_FILES['import'], $overrides);
@@ -960 +966 @@
                         $this->step_1();
         }
 
+        /**
+         * Replace default attachment actions with "Set as header" link.
+         *
+         * @since 3.4.0
+         */
         function attachment_fields_to_edit( $form_fields, $post ) {
                 if ( isset( $_REQUEST['context'] ) && $_REQUEST['context'] == 'custom-header' ) {
                         $form_fields = array();
@@ -977 +988 @@
                 return $form_fields;
         }
 
+        /**
+         * Leave only "Media Library" tab in the uploader window.
+         *
+         * @since 3.4.0
+         */
         function filter_upload_tabs( $tabs ) {
                 if ( isset( $_REQUEST['context'] ) && $_REQUEST['context'] == 'custom-header' )
                         return array( 'library' => __('Media Library') );
@@ -984 +1000 @@
                 return $tabs;
         }
 
+        /**
+         * Hide MIME type links. Only image files can be set as header.
+         *
+         * @since 3.4.0
+         */
+        function filter_upload_mime_type_links() {
+                return array();
+        }
+
 }