NetNewsWire/Shared/Extensions/NSView-Extensions.swift

//
//  NSView-Extensions.swift
//  NetNewsWire
//
//  Created by Brent Simmons on 2/13/19.
//  Copyright © 2019 Ranchero Software. All rights reserved.
//

import AppKit

extension NSView {

	func constraintsToMakeSubViewFullSize(_ subview: NSView) -> [NSLayoutConstraint] {
		
		if #available(macOS 11, *) {
			let leadingConstraint = NSLayoutConstraint(item: subview, attribute: .leading, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .leading, multiplier: 1.0, constant: 0.0)
			let trailingConstraint = NSLayoutConstraint(item: subview, attribute: .trailing, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .trailing, multiplier: 1.0, constant: 0.0)
			let topConstraint = NSLayoutConstraint(item: subview, attribute: .top, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .top, multiplier: 1.0, constant: 0.0)
			let bottomConstraint = NSLayoutConstraint(item: subview, attribute: .bottom, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .bottom, multiplier: 1.0, constant: 0.0)
			return [leadingConstraint, trailingConstraint, topConstraint, bottomConstraint]
		} else {
			let leadingConstraint = NSLayoutConstraint(item: subview, attribute: .leading, relatedBy: .equal, toItem: self, attribute: .leading, multiplier: 1.0, constant: 0.0)
			let trailingConstraint = NSLayoutConstraint(item: subview, attribute: .trailing, relatedBy: .equal, toItem: self, attribute: .trailing, multiplier: 1.0, constant: 0.0)
			let topConstraint = NSLayoutConstraint(item: subview, attribute: .top, relatedBy: .equal, toItem: self, attribute: .top, multiplier: 1.0, constant: 0.0)
			let bottomConstraint = NSLayoutConstraint(item: subview, attribute: .bottom, relatedBy: .equal, toItem: self, attribute: .bottom, multiplier: 1.0, constant: 0.0)
			return [leadingConstraint, trailingConstraint, topConstraint, bottomConstraint]
		}
		
	}
}