components/Buttons/src/private/MDCButton+Subclassing.h

// 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 "MDCButton.h"

@class MDCInkView;

@interface MDCButton (Subclassing)

/** Access to the ink view layer. Mainly used for subclasses to override ink properties. */
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
@property(nonatomic, readonly, strong, nonnull) MDCInkView *inkView;
#pragma clang diagnostic pop

/** Whether the background color should be opaque. */
- (BOOL)shouldHaveOpaqueBackground;

/** Updates the background color based on the button's current configuration. */
- (void)updateBackgroundColor;

/**
 Should the button raise when touched?

 Default is YES.
 */
@property(nonatomic) BOOL shouldRaiseOnTouch;

/** The bounding path of the button. The shadow will follow that path. */
- (nonnull UIBezierPath *)boundingPath;

@end

@interface MDCButton ()

/**
 A collection of MDCShadow instances each assigned an elevation (in dp).

 To create your own MDCShadowsCollection, please use the provided MDCShadowsCollectionBuilder and
 populate it with MDCShadow instances using the provided MDCShadowBuilder.

 Defaults to MDCShadowsCollectionDefault().
 */
@property(nonatomic, strong, null_resettable) MDCShadowsCollection *shadowsCollection;

@end