41 lines
1.2 KiB
Swift
41 lines
1.2 KiB
Swift
//
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// EmojiLabel.swift
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// Tusker
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//
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// Created by Shadowfacts on 3/1/20.
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// Copyright © 2020 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Pachyderm
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class EmojiLabel: UILabel, BaseEmojiLabel {
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private(set) var hasEmojis = false
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var emojiIdentifier: AnyHashable?
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var emojiRequests: [ImageCache.Request] = []
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var emojiFont: UIFont { font }
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var emojiTextColor: UIColor { textColor }
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func setEmojis<ID: Hashable>(_ emojis: [Emoji], identifier: ID?) {
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guard emojis.count > 0, let attributedText = attributedText else { return }
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replaceEmojis(in: attributedText, emojis: emojis, identifier: identifier) { [weak self] (newAttributedText, didReplaceEmojis) in
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guard let self = self, self.emojiIdentifier == AnyHashable(identifier) else { return }
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self.hasEmojis = didReplaceEmojis
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self.attributedText = newAttributedText
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self.setNeedsLayout()
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self.setNeedsDisplay()
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}
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}
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func removeEmojis() {
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emojiIdentifier = nil
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emojiRequests.forEach { $0.cancel() }
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emojiRequests = []
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hasEmojis = false
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}
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}
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