% Added noImage type for alertView with associated changes to handle shadow and header height

Author: Scott Gruby

CDAlertView/Classes/CDAlertHeaderView.swift

@@ -21,7 +21,7 @@ private extension CDAlertViewType {
             return UIColor(red: 27/255, green: 169/255, blue: 225/255, alpha: 1)
         case .alarm:
             return UIColor(red: 196/255, green: 52/255, blue: 46/255, alpha: 1)
-        case .custom:
+        case .custom, .noImage:
             return nil
         }
     }
@@ -68,7 +68,7 @@ internal class CDAlertHeaderView: UIView {
         alertBackgroundColor.setFill()
         path.fill()
 
-        if hasRoundCorners == true {
+        if type?.hasImage() == true {
             let curve = UIBezierPath(arcCenter: CGPoint(x: rect.size.width/2, y: 28),
                                      radius: 28,
                                      startAngle:6.84 * CGFloat.pi / 6,
@@ -133,6 +133,8 @@ internal class CDAlertHeaderView: UIView {
             imageView.image = ImageHelper.loadImage(name: imageName)
         case .custom(let image):
             imageView.image = image
+        case .noImage:
+            break
         }
 
         imageView.contentMode = .center

CDAlertView/Classes/CDAlertView.swift

@@ -9,7 +9,18 @@
 import Foundation
 
 public enum CDAlertViewType {
-    case error, warning, success, notification, alarm, custom(image: UIImage)
+    case error, warning, success, notification, alarm, custom(image: UIImage), noImage
+    
+    // This is needed because we can't do a comparison of enums
+    // if it has an associated value.
+    func hasImage() -> Bool {
+        switch self {
+            case .noImage:
+                return false
+            default:
+                return true
+        }
+    }
 }
 
 fileprivate protocol CDAlertViewActionDelegate: class {
@@ -525,11 +536,15 @@ open class CDAlertView: UIView {
     private func createHeaderView() {
         headerView = CDAlertHeaderView(type: type, isIconFilled: isHeaderIconFilled)
         headerView.backgroundColor = UIColor.clear
-        headerView.hasShadow = hasShadow
         headerView.hasRoundCorners = hasRoundCorners
         headerView.alertBackgroundColor = alertBackgroundColor
-        headerView.circleFillColor = circleFillColor
-        if circleFillColor == .clear {
+        if type.hasImage() == true {
+            headerView.circleFillColor = circleFillColor
+            headerView.hasShadow = hasShadow
+        }
+        else {
+            headerView.hasShadow = false
+            headerView.circleFillColor = .clear
             headerHeight = constants.headerHeightWithoutCircle
         }
         popupView.addSubview(headerView)
@@ -553,9 +568,9 @@ open class CDAlertView: UIView {
                                                                 height: height),
                                             byRoundingCorners: [.bottomLeft, .bottomRight],
                                             cornerRadii: CGSize(width: 8.0, height: 8.0))
-        let roundLayer = CAShapeLayer()
-        roundLayer.path = roundCornersPath.cgPath
         if hasRoundCorners == true {
+            let roundLayer = CAShapeLayer()
+            roundLayer.path = roundCornersPath.cgPath
             buttonView.layer.mask = roundLayer
         }
         popupView.addSubview(buttonView)