| // Copyright 2020-present the Material Components for iOS authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #import <UIKit/UIKit.h> |
| |
| @class MDCItemBar; |
| |
| /** |
| Delegate protocol for MDCItemBar. Clients may implement this protocol to receive notifications of |
| selection changes. |
| */ |
| @protocol MDCItemBarDelegate <NSObject> |
| /** |
| Called before the selected item changes by user action. This method is not called for programmatic |
| changes to the bar's selected item. Return YES to allow the selection. |
| */ |
| - (BOOL)itemBar:(nonnull MDCItemBar *)itemBar shouldSelectItem:(nonnull UITabBarItem *)item; |
| |
| /** |
| Called when the selected item changes by user action. This method is not called for programmatic |
| changes to the bar's selected item. |
| */ |
| - (void)itemBar:(nonnull MDCItemBar *)itemBar didSelectItem:(nonnull UITabBarItem *)item; |
| |
| @end |
