Pariece McKinney
95 lines
4.1 KiB
Objective-C
95 lines
4.1 KiB
Objective-C
/*
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Copyright (c) 2015, Apple Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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3. Neither the name of the copyright holder(s) nor the names of any contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission. No license is granted to the trademarks of
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the copyright holders even if such marks are included in this software.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "ORKTextButton_Internal.h"
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#import "ORKRoundTappingButton.h"
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#import "ORKBorderedButton_Internal.h"
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static const CGFloat RoundTappingButtonDefaultDiameter = 104;
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@implementation ORKRoundTappingButton {
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NSLayoutConstraint *_widthConstraint;
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NSLayoutConstraint *_heightConstraint;
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}
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- (void)init_ORKTextButton {
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[super init_ORKTextButton];
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self.fadeDelay = 0.2;
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[self setDiameter:RoundTappingButtonDefaultDiameter];
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[self updateDimensionConstraints];
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[self.layer setCornerCurveCircular];
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}
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- (void)setDiameter:(CGFloat)diameter {
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_diameter = diameter;
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self.layer.cornerRadius = diameter * 0.5;
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[self updateDimensionConstraints];
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}
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- (void)updateDimensionConstraints {
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if (_widthConstraint && _widthConstraint.active) {
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[NSLayoutConstraint deactivateConstraints:@[_widthConstraint]];
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}
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if (_heightConstraint && _heightConstraint.active) {
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[NSLayoutConstraint deactivateConstraints:@[_heightConstraint]];
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}
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_widthConstraint = [NSLayoutConstraint constraintWithItem:self
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:nil
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attribute:NSLayoutAttributeNotAnAttribute
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multiplier:1.0
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constant:_diameter];
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_heightConstraint = [NSLayoutConstraint constraintWithItem:self
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attribute:NSLayoutAttributeHeight
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relatedBy:NSLayoutRelationEqual
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toItem:nil
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attribute:NSLayoutAttributeNotAnAttribute
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multiplier:1.0
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constant:_diameter];
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[NSLayoutConstraint activateConstraints:@[_widthConstraint, _heightConstraint]];
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}
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- (void)tintColorDidChange {
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[super tintColorDidChange];
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self.layer.cornerRadius = _diameter * 0.5;
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}
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+ (UIFont *)defaultFont {
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// regular, 20
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UIFontDescriptor *descriptor = [UIFontDescriptor preferredFontDescriptorWithTextStyle:UIFontTextStyleHeadline];
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return [UIFont systemFontOfSize:((NSNumber *)[descriptor objectForKey:UIFontDescriptorSizeAttribute]).doubleValue + 3.0];
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}
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@end
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