| /* |
| Copyright 2016-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 <Foundation/Foundation.h> |
| |
| @protocol MDCOverlayAnimationObserverDelegate; |
| |
| /** |
| Utility class which will call its delegate at the end of the current runloop cycle. |
| |
| Called before CoreAnimation has had a chance to commit any pending implicit @c CATransactions. |
| */ |
| @interface MDCOverlayAnimationObserver : NSObject |
| |
| /** |
| Called to tell the observer that it should call the @c delegate at the end of the next runloop. |
| |
| Without calling this method, the observer will not call the delegate. |
| */ |
| - (void)messageDelegateOnNextRunloop; |
| |
| /** |
| The delegate to notify when the end of the runloop has occurred. |
| */ |
| @property(nonatomic, weak) id<MDCOverlayAnimationObserverDelegate> delegate; |
| |
| @end |
| |
| /** |
| Delegate protocol for @c MDCOverlayAnimationObserver. |
| */ |
| @protocol MDCOverlayAnimationObserverDelegate <NSObject> |
| |
| /** |
| Called at the end of the current runloop, before CoreAnimation commits any implicit transactions. |
| */ |
| - (void)animationObserverDidEndRunloop:(MDCOverlayAnimationObserver *)observer; |
| |
| @end |
