Merge "mw.Upload.BookletLayout: Rewrite some code to use promise chaining"
[lhc/web/wiklou.git] / resources / src / mediawiki / mediawiki.Upload.BookletLayout.js
index 4038228..c8d64b9 100644 (file)
         * @return {jQuery.Promise} Promise resolved when everything is initialized
         */
        mw.Upload.BookletLayout.prototype.initialize = function () {
-               var
-                       booklet = this,
-                       deferred = $.Deferred();
+               var booklet = this;
 
                this.clear();
                this.upload = this.createUpload();
                this.setPage( 'upload' );
 
-               this.upload.getApi().done( function ( api ) {
-                       // If the user can't upload anything, don't give them the option to.
-                       api.getUserInfo().done( function ( userInfo ) {
-                               if ( userInfo.rights.indexOf( 'upload' ) === -1 ) {
-                                       // TODO Use a better error message when not all logged-in users can upload
-                                       booklet.getPage( 'upload' ).$element.msg( 'api-error-mustbeloggedin' );
-                               }
-                       } ).always( function () {
-                               deferred.resolve();
-                       } );
-               } ).fail( function ( errorMsg ) {
-                       booklet.getPage( 'upload' ).$element.msg( errorMsg );
-                       deferred.resolve();
-               } );
-
-               return deferred.promise();
+               return this.upload.getApi().then(
+                       function ( api ) {
+                               // If the user can't upload anything, don't give them the option to.
+                               return api.getUserInfo().then(
+                                       function ( userInfo ) {
+                                               if ( userInfo.rights.indexOf( 'upload' ) === -1 ) {
+                                                       // TODO Use a better error message when not all logged-in users can upload
+                                                       booklet.getPage( 'upload' ).$element.msg( 'api-error-mustbeloggedin' );
+                                               }
+                                               return $.Deferred().resolve();
+                                       },
+                                       function () {
+                                               return $.Deferred().resolve();
+                                       }
+                               );
+                       },
+                       function ( errorMsg ) {
+                               booklet.getPage( 'upload' ).$element.msg( errorMsg );
+                               return $.Deferred().resolve();
+                       }
+               );
        };
 
        /**