98 lines
2.5 KiB
Objective-C
98 lines
2.5 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "ConversationScrollButton.h"
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#import "UIColor+OWS.h"
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#import "UIFont+OWS.h"
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#import "UIView+OWS.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface ConversationScrollButton ()
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@property (nonatomic) NSString *iconText;
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@property (nonatomic) UILabel *iconLabel;
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@property (nonatomic) UIView *circleView;
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@end
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#pragma mark -
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@implementation ConversationScrollButton
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- (nullable instancetype)initWithIconText:(NSString *)iconText
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{
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self = [super initWithFrame:CGRectMake(0, 0, self.buttonSize, self.buttonSize)];
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if (!self) {
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return self;
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}
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self.iconText = iconText;
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[self createContents];
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return self;
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}
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- (CGFloat)circleSize
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{
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return ScaleFromIPhone5To7Plus(35.f, 40.f);
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}
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- (CGFloat)buttonSize
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{
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return self.circleSize + 2 * 15.f;
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}
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- (void)createContents
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{
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UILabel *iconLabel = [UILabel new];
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self.iconLabel = iconLabel;
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iconLabel.userInteractionEnabled = NO;
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UIView *circleView = [UIView new];
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self.circleView = circleView;
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circleView.backgroundColor = [UIColor colorWithWhite:0.95f alpha:1.f];
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circleView.userInteractionEnabled = NO;
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circleView.layer.cornerRadius = self.circleSize * 0.5f;
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circleView.layer.shadowColor = [UIColor colorWithWhite:0.5f alpha:1.f].CGColor;
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circleView.layer.shadowOffset = CGSizeMake(+1.f, +2.f);
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circleView.layer.shadowRadius = 1.5f;
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circleView.layer.shadowOpacity = 0.35f;
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[circleView autoSetDimension:ALDimensionWidth toSize:self.circleSize];
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[circleView autoSetDimension:ALDimensionHeight toSize:self.circleSize];
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[self addSubview:circleView];
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[self addSubview:iconLabel];
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[circleView autoCenterInSuperview];
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[iconLabel autoCenterInSuperview];
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[self updateColors];
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}
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- (void)setHasUnreadMessages:(BOOL)hasUnreadMessages
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{
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_hasUnreadMessages = hasUnreadMessages;
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[self updateColors];
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}
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- (void)updateColors
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{
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self.circleView.backgroundColor
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= (self.hasUnreadMessages ? [UIColor ows_materialBlueColor] : [UIColor colorWithWhite:0.95f alpha:1.f]);
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self.iconLabel.attributedText = [[NSAttributedString alloc]
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initWithString:self.iconText
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attributes:@{
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NSFontAttributeName : [UIFont ows_fontAwesomeFont:self.circleSize * 0.8f],
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NSForegroundColorAttributeName :
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(self.hasUnreadMessages ? [UIColor whiteColor] : [UIColor ows_materialBlueColor]),
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NSBaselineOffsetAttributeName : @(-0.5f),
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}];
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}
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@end
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NS_ASSUME_NONNULL_END
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