Feature/busy

README.md

@@ -54,7 +54,7 @@ SweetAlert().showAlert("Sweet!", subTitle: "Here's a custom image.", style: Aler
 ###Diffrent Animated Styles for Diffrent Purposes
 ```swift
 enum AlertStyle {
-    case Success,Error,Warning,None
+    case Busy,Success,Error,Warning,None
     case CustomImag(imageFile:String)
 }
 ```

SweetAlert/SweetAlert.swift

@@ -11,7 +11,7 @@ import UIKit
 import QuartzCore
 
 public enum AlertStyle {
-    case Success,Error,Warning,None
+    case Busy,Success,Error,Warning,None
     case CustomImag(imageFile:String)
 }
 
@@ -249,6 +249,9 @@ public class SweetAlert: UIViewController {
             self.setupSubtitleTextView()
 
             switch style {
+            case .Busy:
+                self.animatedView = BusyAnimatedView()
+
             case .Success:
                 self.animatedView = SuccessAnimatedView()
 
@@ -509,6 +512,89 @@ class InfoAnimatedView: AnimatableView {
     }
 }
 
+class BusyAnimatedView: AnimatableView {
+
+    var circleLayer = CAShapeLayer()
+    var outlineLayer = CAShapeLayer()
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        setupLayers()
+        circleLayer.strokeStart = 0.0
+        circleLayer.strokeEnd = 0.0
+    }
+
+    required init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func layoutSubviews() {
+        setupLayers()
+    }
+
+
+    var outlineCircle: CGPath {
+        let path = UIBezierPath()
+        let startAngle: CGFloat = CGFloat((0) / 180.0 * M_PI)  //0
+        let endAngle: CGFloat = CGFloat((360) / 180.0 * M_PI)   //360
+        path.addArcWithCenter(CGPointMake(self.frame.size.width/2.0, self.frame.size.height/2.0), radius: self.frame.size.width/2.0, startAngle: startAngle, endAngle: endAngle, clockwise: false)
+        return path.CGPath
+    }
+
+    var path: CGPath {
+        let path = UIBezierPath()
+        let startAngle: CGFloat = CGFloat((0) / 180.0 * M_PI)  //0
+        let endAngle: CGFloat = CGFloat((360) / 180.0 * M_PI)   //60
+        path.addArcWithCenter(CGPointMake(0, 0), radius: self.frame.size.width/2.0, startAngle: startAngle, endAngle: endAngle, clockwise: false)
+        return path.CGPath
+    }
+
+
+    func setupLayers() {
+
+        outlineLayer.position = CGPointMake(0, 0);
+        outlineLayer.path = outlineCircle
+        outlineLayer.fillColor = UIColor.clearColor().CGColor;
+        outlineLayer.strokeColor = UIColor(red: 150.0/255.0, green: 216.0/255.0, blue: 115.0/255.0, alpha: 1.0).CGColor;
+        outlineLayer.lineCap = kCALineCapRound
+        outlineLayer.lineWidth = 4;
+        outlineLayer.opacity = 0.1
+        self.layer.addSublayer(outlineLayer)
+
+        circleLayer.position = CGPointMake(self.frame.size.width/2.0, self.frame.size.height/2.0)
+        circleLayer.path = path
+        circleLayer.fillColor = UIColor.clearColor().CGColor;
+        circleLayer.strokeColor = UIColor(red: 150.0/255.0, green: 216.0/255.0, blue: 115.0/255.0, alpha: 1.0).CGColor;
+        circleLayer.lineCap = kCALineCapRound
+        circleLayer.lineWidth = 4;
+        circleLayer.actions = [
+            "strokeStart": NSNull(),
+            "strokeEnd": NSNull(),
+            "transform": NSNull()
+        ]
+        self.layer.addSublayer(circleLayer)
+    }
+
+    override func animate() {
+        let duration:Double = 1;
+        let rotateAnimation = CABasicAnimation(keyPath: "transform.rotation")
+        //rotateAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+        rotateAnimation.fromValue = 0.0
+        rotateAnimation.repeatCount = Float.infinity
+        rotateAnimation.toValue = CGFloat(M_PI * 2.0)
+        rotateAnimation.duration = duration
+        circleLayer.strokeStart = 0.68
+        circleLayer.strokeEnd = 0.93
+
+        self.circleLayer.addAnimation(rotateAnimation, forKey: nil)
+    }
+
+    override func animationDidStop(anim: CAAnimation, finished flag: Bool) {
+        print("animation finished");
+    }
+
+}
+
 
 class SuccessAnimatedView: AnimatableView {