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//
// DisconnectSplitButton.swift
// MullvadVPN
//
// Created by pronebird on 29/07/2020.
// Copyright © 2020 Mullvad VPN AB. All rights reserved.
//
import Foundation
import UIKit
class DisconnectSplitButton: UIView {
private var secondaryButtonSize: CGSize {
// TODO: make it less hardcoded
switch self.traitCollection.userInterfaceIdiom {
case .phone:
return CGSize(width: 42, height: 42)
case .pad:
return CGSize(width: 52, height: 52)
default:
return .zero
}
}
let primaryButton = AppButton(style: .translucentDangerSplitLeft)
let secondaryButton = AppButton(style: .translucentDangerSplitRight)
private let secondaryButtonWidthConstraint: NSLayoutConstraint
private let secondaryButtonHeightConstraint: NSLayoutConstraint
private let stackView: UIStackView
init() {
let primaryButtonBlurView = TranslucentButtonBlurView(button: primaryButton)
let secondaryButtonBlurView = TranslucentButtonBlurView(button: secondaryButton)
stackView = UIStackView(arrangedSubviews: [primaryButtonBlurView, secondaryButtonBlurView])
stackView.translatesAutoresizingMaskIntoConstraints = false
stackView.axis = .horizontal
stackView.distribution = .fill
stackView.alignment = .fill
stackView.spacing = 1
secondaryButton.setImage(UIImage(named: "IconReload")?.imageFlippedForRightToLeftLayoutDirection(), for: .normal)
primaryButton.overrideContentEdgeInsets = true
secondaryButtonWidthConstraint = secondaryButton.widthAnchor.constraint(equalToConstant: 0)
secondaryButtonHeightConstraint = secondaryButton.heightAnchor.constraint(equalToConstant: 0)
super.init(frame: .zero)
addSubview(stackView)
NSLayoutConstraint.activate([
stackView.leadingAnchor.constraint(equalTo: leadingAnchor),
stackView.trailingAnchor.constraint(equalTo: trailingAnchor),
stackView.topAnchor.constraint(equalTo: topAnchor),
stackView.bottomAnchor.constraint(equalTo: bottomAnchor),
secondaryButtonWidthConstraint,
secondaryButtonHeightConstraint
])
updateTraitConstraints()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
if traitCollection.userInterfaceIdiom != previousTraitCollection?.userInterfaceIdiom {
updateTraitConstraints()
}
}
private func updateTraitConstraints() {
let newSize = self.secondaryButtonSize
secondaryButtonWidthConstraint.constant = newSize.width
secondaryButtonHeightConstraint.constant = newSize.height
adjustTitleLabelPosition()
}
private func adjustTitleLabelPosition() {
var contentInsets = primaryButton.defaultContentInsets
let offset = stackView.spacing + self.secondaryButtonSize.width
if case .leftToRight = effectiveUserInterfaceLayoutDirection {
contentInsets.left = offset
contentInsets.right = 0
} else {
contentInsets.left = 0
contentInsets.right = offset
}
primaryButton.contentEdgeInsets = contentInsets
}
}
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