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100 lines
2.6 KiB
Objective-C
100 lines
2.6 KiB
Objective-C
//
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// Copyright (c) 2019 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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#import <SignalUtilitiesKit/Theme.h>
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#import "Session-Swift.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:CGRectZero];
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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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const CGFloat circleSize = self.class.circleSize;
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UIView *circleView = [UIView new];
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self.circleView = circleView;
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circleView.userInteractionEnabled = NO;
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circleView.layer.cornerRadius = circleSize * 0.5f;
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circleView.layer.borderColor = [LKColors.text colorWithAlphaComponent:LKValues.composeViewTextFieldBorderOpacity].CGColor;
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circleView.layer.borderWidth = LKValues.composeViewTextFieldBorderThickness;
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[circleView autoSetDimension:ALDimensionWidth toSize:circleSize];
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[circleView autoSetDimension:ALDimensionHeight toSize: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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UIColor *foregroundColor = LKColors.text;
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UIColor *backgroundColor = LKColors.composeViewBackground;
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const CGFloat circleSize = self.class.circleSize;
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self.circleView.backgroundColor = backgroundColor;
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self.iconLabel.attributedText =
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[[NSAttributedString alloc] initWithString:self.iconText
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attributes:@{
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NSFontAttributeName : [UIFont ows_fontAwesomeFont:circleSize * 0.75f],
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NSForegroundColorAttributeName : foregroundColor,
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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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