Dactyloidae iOS initial commit

mobile/ios/Client/Frontend/Widgets/RoundedToolbar.swift

@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import UIKit
+
+class RoundedToolbar: UIToolbar {
+
+    fileprivate var layerBackgroundColor: UIColor?
+
+    override var backgroundColor: UIColor? {
+        get { return layerBackgroundColor }
+
+        set {
+            layerBackgroundColor = newValue
+        }
+    }
+
+    var cornerRadius: CGSize = CGSize.zero
+
+    var cornersToRound: UIRectCorner = [.allCorners]
+
+    /**
+     * The toolbar on the menu requires rounded corners on the top and bottom so we need a custom
+     * view to do this
+     */
+    override func draw(_ rect: CGRect) {
+        super.draw(rect)
+        layer.sublayers?.filter { $0.mask != nil } .forEach { $0.removeFromSuperlayer() }
+        addRoundedCorners(cornersToRound, cornerRadius: cornerRadius, color: layerBackgroundColor ?? UIColor.white)
+    }
+
+}