Repo created

iphone/Maps/Classes/CustomViews/GradientView.swift

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+@IBDesignable
+class GradientView: UIView {
+  enum GradientDirection {
+    case horizontal
+    case vertical
+  }
+
+  var gradientDirection: GradientDirection = .vertical {
+    didSet {
+      let angle = gradientDirection == .horizontal ? -CGFloat.pi / 2 : 0
+      gradientLayer.transform = CATransform3DMakeRotation(angle, 0, 0, 1)
+    }
+  }
+
+  @IBInspectable
+  var startColor: UIColor = .clear {
+    didSet {
+      updateColors()
+    }
+  }
+
+  @IBInspectable
+  var endColor: UIColor = .lightGray {
+    didSet {
+      updateColors()
+    }
+  }
+
+  private func updateColors() {
+    gradientLayer.colors = [startColor.cgColor, endColor.cgColor]
+  }
+
+  override class var layerClass: AnyClass {
+    return CAGradientLayer.self
+  }
+
+  var gradientLayer: CAGradientLayer {
+    return layer as! CAGradientLayer
+  }
+
+  override init(frame: CGRect) {
+    super.init(frame: frame)
+    updateColors()
+  }
+
+  required init?(coder aDecoder: NSCoder) {
+    super.init(coder: aDecoder)
+    updateColors()
+  }
+}