development: removed MaterialDelegate, added TabBarDelegate, and delegation…

development: removed MaterialDelegate, added TabBarDelegate, and delegation methods for will/did selected states

Sources/iOS/Button.swift

@@ -41,11 +41,6 @@ open class Button: UIButton {
      */
 	open private(set) var visualLayer: CAShapeLayer!
 	
-	/**
-     A base delegate reference used when subclassing View.
-     */
-	public weak var delegate: MaterialDelegate?
-	
 	/// An Array of pulse layers.
 	public private(set) lazy var pulseLayers = [CAShapeLayer]()
 	

Sources/iOS/Capture.swift

@@ -38,7 +38,7 @@ public enum CaptureMode: Int {
 }
 
 @objc(CaptureDelegate)
-public protocol CaptureDelegate: MaterialDelegate {
+public protocol CaptureDelegate {
 	/**
      A delegation method that is fired when the record timer has started.
      - Parameter capture: A reference to the calling capture.
@@ -132,7 +132,10 @@ public protocol CaptureDelegate: MaterialDelegate {
 }
 
 open class Capture: View, UIGestureRecognizerDelegate {
-	/// A Timer reference for when recording is enabled.
+    /// A delegation reference.
+    public weak var delegate: CaptureDelegate?
+    
+    /// A Timer reference for when recording is enabled.
 	private var timer: Timer?
 	
 	/// A tap gesture reference for focus events.
@@ -349,7 +352,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
 		timer?.invalidate()
 		timer = Timer(timeInterval: 0.5, target: self, selector: #selector(updateTimer), userInfo: nil, repeats: true)
 		RunLoop.main.add(timer!, forMode: .commonModes)
-		(delegate as? CaptureDelegate)?.captureDidStartRecordTimer?(capture: self)
+		delegate?.captureDidStartRecordTimer?(capture: self)
 	}
 	
 	/// Updates the timer when recording.
@@ -359,7 +362,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
 		let hours: Int = Int(time / 3600)
 		let minutes: Int = Int((time / 60).truncatingRemainder(dividingBy: 60))
 		let seconds: Int = Int(time.truncatingRemainder(dividingBy: 60))
-		(delegate as? CaptureDelegate)?.captureDidUpdateRecordTimer?(capture: self, hours: hours, minutes: minutes, seconds: seconds)
+		delegate?.captureDidUpdateRecordTimer?(capture: self, hours: hours, minutes: minutes, seconds: seconds)
 	}
 	
 	/// Stops the timer when recording.
@@ -371,7 +374,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
         let seconds: Int = Int(time.truncatingRemainder(dividingBy: 60))
         timer?.invalidate()
 		timer = nil
-		(delegate as? CaptureDelegate)?.captureDidStopRecordTimer?(capture: self, hours: hours, minutes: minutes, seconds: seconds)
+		delegate?.captureDidStopRecordTimer?(capture: self, hours: hours, minutes: minutes, seconds: seconds)
 	}
 	
 	/**
@@ -379,7 +382,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
      - Parameter button: A UIButton that is associated with the event.
      */
 	internal func handleFlashButton(button: UIButton) {
-		(delegate as? CaptureDelegate)?.captureDidPressFlashButton?(capture: self, button: button)
+		delegate?.captureDidPressFlashButton?(capture: self, button: button)
 	}
 	
     /**
@@ -388,7 +391,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
      */
     internal func handleSwitchCamerasButton(button: UIButton) {
 		captureSession.switchCameras()
-		(delegate as? CaptureDelegate)?.captureDidPressSwitchCamerasButton?(capture: self, button: button)
+		delegate?.captureDidPressSwitchCamerasButton?(capture: self, button: button)
 	}
 	
     /**
@@ -407,7 +410,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
 				startTimer()
 			}
 		}
-		(delegate as? CaptureDelegate)?.captureDidPressCaptureButton?(capture: self, button: button)
+		delegate?.captureDidPressCaptureButton?(capture: self, button: button)
 	}
 	
     /**
@@ -416,7 +419,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
      */
     internal func handleCameraButton(button: UIButton) {
 		captureMode = .photo
-		(delegate as? CaptureDelegate)?.captureDidPressCameraButton?(capture: self, button: button)
+		delegate?.captureDidPressCameraButton?(capture: self, button: button)
 	}
 	
     /**
@@ -425,7 +428,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
      */
     internal func handleVideoButton(button: UIButton) {
 		captureMode = .video
-		(delegate as? CaptureDelegate)?.captureDidPressVideoButton?(capture: self, button: button)
+		delegate?.captureDidPressVideoButton?(capture: self, button: button)
 	}
 	
     /**
@@ -438,7 +441,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
 			let point: CGPoint = recognizer.location(in: self)
 			captureSession.focus(at: previewView.captureDevicePointOfInterestForPoint(point: point))
 			animateTapLayer(layer: focusLayer!, point: point)
-			(delegate as? CaptureDelegate)?.captureDidTapToFocusAtPoint?(capture: self, point: point)
+			delegate?.captureDidTapToFocusAtPoint?(capture: self, point: point)
 		}
 	}
 	
@@ -452,7 +455,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
 			let point: CGPoint = recognizer.location(in: self)
 			captureSession.expose(at: previewView.captureDevicePointOfInterestForPoint(point: point))
 			animateTapLayer(layer: exposureLayer!, point: point)
-			(delegate as? CaptureDelegate)?.captureDidTapToExposeAtPoint?(capture: self, point: point)
+			delegate?.captureDidTapToExposeAtPoint?(capture: self, point: point)
 		}
 	}
 	
@@ -466,7 +469,7 @@ open class Capture: View, UIGestureRecognizerDelegate {
 			captureSession.reset()
             let point: CGPoint = previewView.pointForCaptureDevicePointOfInterest(point: CGPoint(x: 0.5, y: 0.5))
 			animateTapLayer(layer: resetLayer!, point: point)
-			(delegate as? CaptureDelegate)?.captureDidTapToResetAtPoint?(capture: self, point: point)
+			delegate?.captureDidTapToResetAtPoint?(capture: self, point: point)
 		}
 	}
 	

Sources/iOS/CollectionReusableView.swift

@@ -41,9 +41,6 @@ open class MaterialCollectionReusableView: UICollectionReusableView {
      */
 	open private(set) var visualLayer: CAShapeLayer!
 	
-	/// A base delegate reference used when subclassing View.
-	public weak var delegate: MaterialDelegate?
-	
 	/// An Array of pulse layers.
 	open private(set) lazy var pulseLayers = [CAShapeLayer]()
 	
@@ -54,7 +51,7 @@ open class MaterialCollectionReusableView: UICollectionReusableView {
 	@IBInspectable open var pulseColor = Color.grey.base
 	
 	/// The type of PulseAnimation.
-	open var pulseAnimation: PulseAnimation = .pointWithBacking
+	open var pulseAnimation = PulseAnimation.pointWithBacking
 	
 	/**
      A property that manages an image for the visualLayer's contents

Sources/iOS/CollectionViewCell.swift

@@ -41,11 +41,6 @@ open class CollectionViewCell: UICollectionViewCell {
 	*/
     open private(set) var visualLayer: CAShapeLayer!
 	
-	/**
-	A base delegate reference used when subclassing View.
-	*/
-	public weak var delegate: MaterialDelegate?
-	
 	/// An Array of pulse layers.
 	open private(set) lazy var pulseLayers = [CAShapeLayer]()
 	
@@ -56,7 +51,7 @@ open class CollectionViewCell: UICollectionViewCell {
 	@IBInspectable open var pulseColor: UIColor = Color.grey.base
 	
 	/// The type of PulseAnimation.
-	open var pulseAnimation: PulseAnimation = .pointWithBacking
+	open var pulseAnimation = PulseAnimation.pointWithBacking
 	
 	/**
 	A property that manages an image for the visualLayer's contents

Sources/iOS/CollectionViewDelegate.swift

@@ -30,6 +30,6 @@
 
 import UIKit
 
-public protocol CollectionViewDelegate: MaterialDelegate, UICollectionViewDelegate {
+public protocol CollectionViewDelegate: UICollectionViewDelegate {
 	
 }

Sources/iOS/Layer.swift

@@ -30,9 +30,6 @@
 
 import UIKit
 
-@objc(MaterialDelegate)
-public protocol MaterialDelegate {}
-
 @objc(Layer)
 open class Layer: CAShapeLayer {
 	/**

Sources/iOS/MenuView.swift

@@ -31,17 +31,19 @@
 import UIKit
 
 @objc(MenuViewDelegate)
-public protocol MenuViewDelegate : MaterialDelegate {
+public protocol MenuViewDelegate {
     /// Gets called when the user taps outside menu buttons.
     @objc
     optional func menuViewDidTapOutside(menuView: MenuView)
-    
 }
 
 public class MenuView : PulseView {
 	/// References the Menu instance.
 	public private(set) lazy var menu: Menu = Menu()
 	
+    /// A delegation reference.
+    public weak var delegate: MenuViewDelegate?
+    
     public override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
         /**
          Since the subviews will be outside the bounds of this view,
@@ -59,7 +61,7 @@ public class MenuView : PulseView {
         }
         
         if menu.isOpened {
-            (delegate as? MenuViewDelegate)?.menuViewDidTapOutside?(menuView: self)
+            delegate?.menuViewDidTapOutside?(menuView: self)
         }
         
         return super.hitTest(point, with: event)

Sources/iOS/PageTabBarController.swift

@@ -49,7 +49,7 @@ extension UIViewController {
 }
 
 @objc(PageTabBarControllerDelegate)
-public protocol PageTabBarControllerDelegate: MaterialDelegate {
+public protocol PageTabBarControllerDelegate {
 
 }
 

Sources/iOS/PulseView.swift

@@ -43,7 +43,7 @@ open class PulseView: View {
     open var pulseColor = Color.grey.base
 	
 	/// The type of PulseAnimation.
-	open var pulseAnimation: PulseAnimation = .pointWithBacking
+	open var pulseAnimation = PulseAnimation.pointWithBacking
 	
 	/**
 	Triggers the pulse animation.

Sources/iOS/TabBar.swift

@@ -36,6 +36,27 @@ public enum TabBarLineAlignment: Int {
 	case bottom
 }
 
+@objc(TabBarDelegate)
+public protocol TabBarDelegate {
+    /**
+     A delegation method that is executed when the button will trigger the
+     animation to the next tab.
+     - Parameter tabBar: A TabBar.
+     - Parameter button: A UIButton.
+     */
+    @objc
+    optional func tabBarWillSelectButton(tabBar: TabBar, button: UIButton)
+    
+    /**
+     A delegation method that is executed when the button did complete the
+     animation to the next tab.
+     - Parameter tabBar: A TabBar.
+     - Parameter button: A UIButton.
+     */
+    @objc
+    optional func tabBarDidSelectButton(tabBar: TabBar, button: UIButton)
+}
+
 open class TabBar: View {
     /// Will render the view.
 	open var willRenderView: Bool {
@@ -80,7 +101,10 @@ open class TabBar: View {
             grid.interimSpace = value
         }
     }
-	
+    
+    /// A delegation reference.
+    public weak var delegate: TabBarDelegate?
+    
     open override var intrinsicContentSize: CGSize {
         return CGSize(width: width, height: 49)
     }
@@ -161,14 +185,21 @@ open class TabBar: View {
 	/// Handles the button touch event.
     @objc
 	internal func handleButton(button: UIButton) {
-		selected = button
+		delegate?.tabBarWillSelectButton?(tabBar: self, button: button)
+        selected = button
         
-        UIView.animate(withDuration: 0.25, animations: { [weak self] in
-			if let s = self {
-				s.line.x = button.x
-				s.line.width = button.width
-			}
-		})
+        UIView.animate(withDuration: 0.25, animations: { [weak self, button = button] in
+            guard let s = self else {
+                return
+            }
+            s.line.x = button.x
+            s.line.width = button.width
+        }) { [weak self, button = button] _ in
+            guard let s = self else {
+                return
+            }
+            s.delegate?.tabBarDidSelectButton?(tabBar: s, button: button)
+        }
 	}
 	
 	/**

Sources/iOS/TableViewCell.swift

@@ -40,9 +40,6 @@ open class TableViewCell: UITableViewCell {
      */
 	open internal(set) var visualLayer: CAShapeLayer!
 	
-	/// A base delegate reference used when subclassing View.
-	public weak var delegate: MaterialDelegate?
-	
     /// An Array of pulse layers.
     open private(set) lazy var pulseLayers = [CAShapeLayer]()
     
@@ -55,7 +52,7 @@ open class TableViewCell: UITableViewCell {
     open var pulseColor = Color.grey.base
     
     /// The type of PulseAnimation.
-    open var pulseAnimation: PulseAnimation = .pointWithBacking
+    open var pulseAnimation = PulseAnimation.pointWithBacking
     
 	/// A property that accesses the backing layer's backgroundColor.
 	@IBInspectable

Sources/iOS/ToolbarController.swift

@@ -49,7 +49,7 @@ extension UIViewController {
 }
 
 @objc(ToolbarControllerDelegate)
-public protocol ToolbarControllerDelegate: MaterialDelegate {
+public protocol ToolbarControllerDelegate {
 	/// Delegation method that executes when the floatingViewController will open.
 	@objc
     optional func toolbarControllerWillOpenFloatingViewController(toolbarController: ToolbarController)

Sources/iOS/View.swift

@@ -41,9 +41,6 @@ open class View: UIView {
      */
 	open private(set) var visualLayer: CAShapeLayer!
 	
-	/// A base delegate reference used when subclassing View.
-	public weak var delegate: MaterialDelegate?
-	
 	/**
      A property that manages an image for the visualLayer's contents
      property. Images should not be set to the backing layer's contents