19 lines
607 B
Swift
19 lines
607 B
Swift
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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// This view can be used to safely fill a region of a table
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// or collection view cell. These cells change the background
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// colors of their subviews when selected. This can inadvertently
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// change the color of filled subviews. This view will
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// reject a new background once its background has been set.
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@objc class NeverClearView: UIView {
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override var backgroundColor: UIColor? {
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didSet {
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if backgroundColor?.cgColor.alpha == 0 {
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backgroundColor = oldValue
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}
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}
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}
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}
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