Added isActive() method

Pod/Classes/SAConfettiView.swift

@@ -10,7 +10,7 @@ import UIKit
 import QuartzCore
 
 public class SAConfettiView: UIView {
-    
+
     public enum ConfettiType {
         case Confetti
         case Triangle
@@ -23,17 +23,18 @@ public class SAConfettiView: UIView {
     public var colors: [UIColor]!
     public var intensity: Float!
     public var type: ConfettiType!
-
+    private var active :Bool!
+
     required public init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
         setup()
     }
-    
+
     public override init(frame: CGRect) {
         super.init(frame: frame)
         setup()
     }
-    
+
     func setup() {
         colors = [UIColor(red:0.95, green:0.40, blue:0.27, alpha:1.0),
             UIColor(red:1.00, green:0.78, blue:0.36, alpha:1.0),
@@ -42,32 +43,35 @@ public class SAConfettiView: UIView {
             UIColor(red:0.58, green:0.39, blue:0.55, alpha:1.0)]
         intensity = 0.5
         type = .Confetti
+        active = false
     }
-    
+
     public func startConfetti() {
         emitter = CAEmitterLayer()
-        
+
         emitter.emitterPosition = CGPoint(x: frame.size.width / 2.0, y: 0)
         emitter.emitterShape = kCAEmitterLayerLine
         emitter.emitterSize = CGSize(width: frame.size.width, height: 1)
-        
+
         var cells = [CAEmitterCell]()
         for color in colors {
             cells.append(confettiWithColor(color))
         }
-        
+
         emitter.emitterCells = cells
         layer.addSublayer(emitter)
+        active = true
     }
-    
+
     public func stopConfetti() {
         emitter?.birthRate = 0
+        active = false
     }
-    
+
     func imageForType(type: ConfettiType) -> UIImage? {
-        
+
         var fileName: String!
-        
+
         switch type {
         case .Confetti:
             fileName = "confetti"
@@ -80,7 +84,7 @@ public class SAConfettiView: UIView {
         case let .Image(customImage):
             return customImage
         }
-        
+
         let path = NSBundle(forClass: SAConfettiView.self).pathForResource("SAConfettiView", ofType: "bundle")
         let bundle = NSBundle(path: path!)
         let imagePath = bundle?.pathForResource(fileName, ofType: "png")
@@ -91,7 +95,7 @@ public class SAConfettiView: UIView {
         }
         return nil
     }
-    
+
     func confettiWithColor(color: UIColor) -> CAEmitterCell {
         let confetti = CAEmitterCell()
         confetti.birthRate = 6.0 * intensity
@@ -110,4 +114,7 @@ public class SAConfettiView: UIView {
         return confetti
     }
 
+    public func isActive() -> Bool {
+    		return self.active
+    }
 }