| // 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 "MDCFlatButton.h" |
| |
| #import "MaterialShadowElevations.h" |
| #import "private/MDCButton+Subclassing.h" |
| |
| @implementation MDCFlatButton |
| |
| + (void)initialize { |
| // Default background colors. |
| [MDCFlatButton.appearance setBackgroundColor:[UIColor clearColor] forState:UIControlStateNormal]; |
| [MDCFlatButton.appearance setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; |
| [MDCFlatButton.appearance setElevation:MDCShadowElevationNone forState:UIControlStateNormal]; |
| [MDCFlatButton.appearance setElevation:MDCShadowElevationNone forState:UIControlStateHighlighted]; |
| MDCFlatButton.appearance.inkColor = [UIColor colorWithWhite:0 alpha:(CGFloat)0.06]; |
| } |
| |
| #pragma mark - MDCButton Subclassing |
| |
| - (void)setHasOpaqueBackground:(BOOL)hasOpaqueBackground { |
| _hasOpaqueBackground = hasOpaqueBackground; |
| [self updateBackgroundColor]; |
| } |
| |
| - (BOOL)shouldHaveOpaqueBackground { |
| return [super shouldHaveOpaqueBackground] || self.hasOpaqueBackground; |
| } |
| |
| @end |