Zhandos Bolatbekov
50 lines
1.4 KiB
Swift
50 lines
1.4 KiB
Swift
//
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// BaseView.swift
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// PrivadoVPN
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//
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// Created by Zhandos Bolatbekov on 04.06.2021.
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// Copyright © 2021 Privado LLC. All rights reserved.
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//
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import UIKit
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class BaseView: UIView, ReactivelyConstrained {
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var portraitConstraints = [NSLayoutConstraint]()
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var landscapeConstraints = [NSLayoutConstraint]()
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var sharedConstraints = [NSLayoutConstraint]()
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let layoutEmitter = Emitter<EmitterLayoutChangeType>()
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init() {
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super.init(frame: .zero)
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self.layoutEmitter.addReaction { [weak self] isLandscape -> ShouldContinueReceiveNotifications in
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guard let self = self else { return false }
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if isLandscape {
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NSLayoutConstraint.deactivate(self.portraitConstraints)
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NSLayoutConstraint.activate(self.landscapeConstraints)
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} else {
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NSLayoutConstraint.deactivate(self.landscapeConstraints)
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NSLayoutConstraint.activate(self.portraitConstraints)
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}
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NSLayoutConstraint.activate(self.sharedConstraints)
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self.subviews.forEach { view in
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if let view = view as? BaseView {
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view.layoutEmitter.invoke(isLandscape)
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}
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}
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self.layoutIfNeeded()
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return true
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}
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) { nil }
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}
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