Dactyloidae iOS initial commit

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

@@ -0,0 +1,55 @@
+/* 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 Foundation
+import SnapKit
+
+private struct ErrorToastDefaultUX {
+    static let cornerRadius: CGFloat = 40
+    static let fillColor = UIColor(red: 186/255, green: 32/255, blue: 36/255, alpha: 1)
+    static let margins = UIEdgeInsets(top: 10, left: 12, bottom: 10, right: 12)
+    static let textColor = UIColor.white
+}
+
+class ErrorToast: UIView {
+    lazy var textLabel: UILabel = {
+        let label = UILabel()
+        label.textColor = ErrorToastDefaultUX.textColor
+        label.textAlignment = .center
+        label.numberOfLines = 0
+        return label
+    }()
+
+    var cornerRadius: CGFloat = ErrorToastDefaultUX.cornerRadius {
+        didSet {
+            setNeedsDisplay()
+        }
+    }
+
+    var fillColor: UIColor = ErrorToastDefaultUX.fillColor {
+        didSet {
+            setNeedsDisplay()
+        }
+    }
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        isOpaque = false
+        addSubview(textLabel)
+        textLabel.snp.makeConstraints { make in
+            make.edges.equalTo(self).inset(ErrorToastDefaultUX.margins)
+        }
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func draw(_ rect: CGRect) {
+        super.draw(rect)
+        fillColor.setFill()
+        let path = UIBezierPath(roundedRect: rect, cornerRadius: cornerRadius)
+        path.fill()
+    }
+}