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Pods/SwiftEntryKit/Source/Infra/EKStyleView.swift

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+//
+//  EKStyleView.swift
+//  SwiftEntryKit
+//
+//  Created by Daniel Huri on 4/28/18.
+//
+
+import UIKit
+
+class EKStyleView: UIView {
+    
+    private lazy var borderLayer: CAShapeLayer = {
+        return CAShapeLayer()
+    }()
+    
+    private var roundCorners: EKAttributes.RoundCorners!
+    private var border: EKAttributes.Border!
+    
+    var appliedStyle = false
+    
+    func applyFrameStyle(roundCorners: EKAttributes.RoundCorners, border: EKAttributes.Border) {
+        self.roundCorners = roundCorners
+        self.border = border
+        
+        var cornerRadius: CGFloat = 0
+        var corners: UIRectCorner = []
+        (corners, cornerRadius) = roundCorners.cornerValues ?? ([], 0)
+        
+        let size = CGSize(width: cornerRadius, height: cornerRadius)
+        let path = UIBezierPath(roundedRect: bounds, byRoundingCorners: corners, cornerRadii: size)
+        
+        if !corners.isEmpty && cornerRadius > 0 {
+            let maskLayer = CAShapeLayer()
+            maskLayer.path = path.cgPath
+            layer.mask = maskLayer
+        }
+        
+        if let borderValues = border.borderValues {
+            borderLayer.path = path.cgPath
+            borderLayer.fillColor = UIColor.clear.cgColor
+            borderLayer.strokeColor = borderValues.color.cgColor
+            borderLayer.lineWidth = borderValues.width
+            borderLayer.frame = bounds
+            layer.addSublayer(borderLayer)
+        }
+        
+        appliedStyle = true
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        guard let roundCorners = roundCorners, let border = border else {
+            return
+        }
+        applyFrameStyle(roundCorners: roundCorners, border: border)
+    }
+}