| // Copyright 2017-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 MDCTabBarViewIndicatorAttributes; |
| |
| /** View responsible for drawing the indicator behind tab content and animating changes. */ |
| @interface MDCTabBarViewIndicatorView : UIView |
| |
| /** |
| The animation duration for changes to the path of the selection indicator. |
| Defaults to 300 milliseconds. |
| */ |
| @property(nonatomic, assign) CFTimeInterval indicatorPathAnimationDuration; |
| |
| /** |
| The timing function for animating changes to the path of the selection indicator. Defaults to an |
| ease-in ease-out function. |
| */ |
| @property(nonatomic, strong, nonnull) CAMediaTimingFunction *indicatorPathTimingFunction; |
| |
| /** |
| Called to indicate that the indicator should update to display new attributes. This method may be |
| called from an implicit animation block. |
| */ |
| - (void)applySelectionIndicatorAttributes:(nonnull MDCTabBarViewIndicatorAttributes *)attributes; |
| |
| @end |