Add coordinators and app router

Fixes IOS-10

1 files changed, 82 insertions, 0 deletions

diff --git a/ios/MullvadVPN/Containers/CustomSplitViewController.swift b/ios/MullvadVPN/Containers/CustomSplitViewController.swift
new file mode 100644
index 0000000000..d4eb5ffd8f
--- /dev/null
+++ b/ios/MullvadVPN/Containers/CustomSplitViewController.swift
@@ -0,0 +1,82 @@
+//
+//  CustomSplitViewController.swift
+//  MullvadVPN
+//
+//  Created by pronebird on 07/04/2021.
+//  Copyright © 2021 Mullvad VPN AB. All rights reserved.
+//
+
+import UIKit
+
+class CustomSplitViewController: UISplitViewController, RootContainment {
+    var preferredHeaderBarPresentation: HeaderBarPresentation {
+        for case let viewController as RootContainment in viewControllers {
+            return viewController.preferredHeaderBarPresentation
+        }
+        return .default
+    }
+
+    var prefersHeaderBarHidden: Bool {
+        for case let viewController as RootContainment in viewControllers {
+            return viewController.prefersHeaderBarHidden
+        }
+        return false
+    }
+
+    var dividerColor: UIColor? {
+        didSet {
+            if isViewLoaded {
+                self.updateDividerColor()
+            }
+        }
+    }
+
+    override var childForStatusBarStyle: UIViewController? {
+        super.childForStatusBarStyle
+    }
+
+    override var childForStatusBarHidden: UIViewController? {
+        super.childForStatusBarHidden
+    }
+
+    override func viewDidLayoutSubviews() {
+        super.viewDidLayoutSubviews()
+
+        updateDividerColor()
+    }
+
+    private var dividerView: UIView? {
+        let subviews = view.subviews.flatMap { view -> [UIView] in
+            return [view] + view.subviews
+        }
+
+        return subviews.first { view -> Bool in
+            return view.description.hasPrefix("<UIPanelBorderView")
+        }
+    }
+
+    private func updateDividerColor() {
+        guard let dividerColor = dividerColor else { return }
+
+        dividerView?.backgroundColor = dividerColor
+    }
+
+    override func overrideTraitCollection(forChild childViewController: UIViewController)
+        -> UITraitCollection?
+    {
+        guard let traitCollection = super.overrideTraitCollection(forChild: childViewController)
+        else { return nil }
+
+        // Pass the split controller's horizontal size class to the primary controller when split
+        // view is expanded.
+        if !isCollapsed, childViewController == viewControllers.last {
+            let sizeOverrideTraitCollection = UITraitCollection(
+                horizontalSizeClass: self.traitCollection.horizontalSizeClass
+            )
+
+            return UITraitCollection(traitsFrom: [traitCollection, sizeOverrideTraitCollection])
+        } else {
+            return traitCollection
+        }
+    }
+}