113 lines
2.4 KiB
Objective-C
113 lines
2.4 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "OWSLabel.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface OWSLabel ()
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@property (nonatomic, nullable) NSValue *cachedSize;
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@end
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#pragma mark -
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@implementation OWSLabel
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- (void)setText:(nullable NSString *)text
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{
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if ([NSObject isNullableObject:text equalTo:self.text]) {
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return;
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}
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[super setText:text];
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self.cachedSize = nil;
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}
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- (void)setAttributedText:(nullable NSAttributedString *)attributedText
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{
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if ([NSObject isNullableObject:attributedText equalTo:self.attributedText]) {
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return;
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}
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[super setAttributedText:attributedText];
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self.cachedSize = nil;
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}
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- (void)setTextColor:(nullable UIColor *)textColor
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{
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if ([NSObject isNullableObject:textColor equalTo:self.textColor]) {
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return;
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}
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[super setTextColor:textColor];
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// No need to clear cached size here.
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}
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- (void)setFont:(nullable UIFont *)font
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{
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if ([NSObject isNullableObject:font equalTo:self.font]) {
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return;
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}
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[super setFont:font];
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self.cachedSize = nil;
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}
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- (void)setLineBreakMode:(NSLineBreakMode)lineBreakMode
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{
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if (self.lineBreakMode == lineBreakMode) {
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return;
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}
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[super setLineBreakMode:lineBreakMode];
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self.cachedSize = nil;
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}
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- (void)setNumberOfLines:(NSInteger)numberOfLines
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{
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if (self.numberOfLines == numberOfLines) {
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return;
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}
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[super setNumberOfLines:numberOfLines];
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self.cachedSize = nil;
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}
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- (void)setAdjustsFontSizeToFitWidth:(BOOL)adjustsFontSizeToFitWidth
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{
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if (self.adjustsFontSizeToFitWidth == adjustsFontSizeToFitWidth) {
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return;
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}
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[super setAdjustsFontSizeToFitWidth:adjustsFontSizeToFitWidth];
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self.cachedSize = nil;
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}
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- (void)setMinimumScaleFactor:(CGFloat)minimumScaleFactor
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{
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if (self.minimumScaleFactor == minimumScaleFactor) {
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return;
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}
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[super setMinimumScaleFactor:minimumScaleFactor];
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self.cachedSize = nil;
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}
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- (void)setMinimumFontSize:(CGFloat)minimumFontSize
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{
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if (self.minimumFontSize == minimumFontSize) {
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return;
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}
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[super setMinimumFontSize:minimumFontSize];
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self.cachedSize = nil;
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}
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- (CGSize)sizeThatFits:(CGSize)size
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{
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if (self.cachedSize) {
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return self.cachedSize.CGSizeValue;
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}
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CGSize result = [super sizeThatFits:size];
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self.cachedSize = [NSValue valueWithCGSize:result];
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return result;
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}
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@end
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NS_ASSUME_NONNULL_END
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