84 lines
2.9 KiB
Objective-C
84 lines
2.9 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 "ORKLabel.h"
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#import "ORKHelpers_Internal.h"
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@implementation ORKLabel
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- (instancetype)init {
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self = [super init];
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if (self) {
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[self init_ORKLabel];
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}
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return self;
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}
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- (instancetype)initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self) {
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[self init_ORKLabel];
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}
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return self;
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}
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- (void)init_ORKLabel {
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(updateAppearance)
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name:UIContentSizeCategoryDidChangeNotification
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object:nil];
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self.font = [[self class] defaultFont];
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[self updateAppearance];
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}
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- (void)willMoveToWindow:(UIWindow *)newWindow {
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[super willMoveToWindow:newWindow];
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[self updateAppearance];
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}
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- (void)updateAppearance {
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self.font = [[self class] defaultFont];
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[self invalidateIntrinsicContentSize];
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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+ (UIFont *)defaultFont {
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UIFontDescriptor *descriptor = [UIFontDescriptor preferredFontDescriptorWithTextStyle:UIFontTextStyleSubheadline];
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return ORKMediumFontWithSize(((NSNumber *)[descriptor objectForKey: UIFontDescriptorSizeAttribute]).doubleValue + 3.0);
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}
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@end
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