NetNewsWire/Mac/MainWindow/Timeline/TimelineContainerView.swift

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Swift
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2019-02-14 07:05:31 +01:00
//
// TimelineContainerView.swift
// NetNewsWire
//
// Created by Brent Simmons on 2/13/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import AppKit
final class TimelineContainerView: NSView {
private var contentViewConstraints: [NSLayoutConstraint]?
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var contentView: NSView? {
didSet {
if contentView == oldValue {
return
}
if let currentConstraints = contentViewConstraints {
NSLayoutConstraint.deactivate(currentConstraints)
}
contentViewConstraints = nil
oldValue?.removeFromSuperviewWithoutNeedingDisplay()
if let contentView = contentView {
contentView.translatesAutoresizingMaskIntoConstraints = false
addSubview(contentView)
let constraints = constraintsToMakeSubViewFullSize(contentView)
NSLayoutConstraint.activate(constraints)
contentViewConstraints = constraints
}
}
}
override var isOpaque: Bool {
return true
}
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override func draw(_ dirtyRect: NSRect) {
NSColor.textBackgroundColor.setFill()
dirtyRect.fill()
}
}