development: cleanup to Pulse API when calling pulse method

Material.xcodeproj/project.pbxproj

@@ -720,13 +720,13 @@
 		96BCB8051CB40F9C00C806FE /* Collection */ = {
 			isa = PBXGroup;
 			children = (
-				96BCB7711CB40DC500C806FE /* CollectionView.swift */,
 				96BCB7721CB40DC500C806FE /* CollectionViewCell.swift */,
+				966ECF291CF4C20100BB0BDF /* CollectionReusableView.swift */,
+				96BCB7711CB40DC500C806FE /* CollectionView.swift */,
+				96BCB7771CB40DC500C806FE /* CollectionDataSourceItem.swift */,
 				96BCB7731CB40DC500C806FE /* CollectionViewDataSource.swift */,
 				96BCB7741CB40DC500C806FE /* CollectionViewDelegate.swift */,
 				96BCB7751CB40DC500C806FE /* CollectionViewLayout.swift */,
-				966ECF291CF4C20100BB0BDF /* CollectionReusableView.swift */,
-				96BCB7771CB40DC500C806FE /* CollectionDataSourceItem.swift */,
 			);
 			name = Collection;
 			sourceTree = "<group>";

Sources/iOS/Button.swift

@@ -40,7 +40,7 @@ open class Button: UIButton, Pulseable {
 	open let visualLayer = CAShapeLayer()
 
     /// A Pulse reference.
-    open fileprivate(set) var pulse: Pulse!
+    fileprivate var pulse: Pulse!
     
     /// PulseAnimation value.
     open var pulseAnimation: PulseAnimation {
@@ -176,14 +176,11 @@ open class Button: UIButton, Pulseable {
      from the center.
      */
     open func pulse(point: CGPoint? = nil) {
-        let p = nil == point ? CGPoint(x: CGFloat(width / 2), y: CGFloat(height / 2)) : point!
+        let p = point ?? center
         
         pulse.expandAnimation(point: p)
         Motion.delay(time: 0.35) { [weak self] in
-            guard let s = self else {
-                return
-            }
-            s.pulse.contractAnimation()
+            self?.pulse.contractAnimation()
         }
     }
     

Sources/iOS/CollectionReusableView.swift

@@ -41,7 +41,7 @@ open class CollectionReusableView: UICollectionReusableView, Pulseable {
     open let visualLayer = CAShapeLayer()
     
     /// A Pulse reference.
-    open fileprivate(set) var pulse: Pulse!
+    fileprivate var pulse: Pulse!
     
     /// PulseAnimation value.
     open var pulseAnimation: PulseAnimation {
@@ -237,14 +237,11 @@ open class CollectionReusableView: UICollectionReusableView, Pulseable {
      from the center.
      */
     open func pulse(point: CGPoint? = nil) {
-        let p = nil == point ? CGPoint(x: CGFloat(width / 2), y: CGFloat(height / 2)) : point!
+        let p = point ?? center
         
         pulse.expandAnimation(point: p)
         Motion.delay(time: 0.35) { [weak self] in
-            guard let s = self else {
-                return
-            }
-            s.pulse.contractAnimation()
+            self?.pulse.contractAnimation()
         }
     }
     

Sources/iOS/CollectionView.swift

@@ -120,7 +120,7 @@ open class CollectionView: UICollectionView {
      */
 	open func prepare() {
 		contentScaleFactor = Screen.scale
-		backgroundColor = .clear
+		backgroundColor = nil
 		contentEdgeInsets = .zero
     }
 }

Sources/iOS/CollectionViewCell.swift

@@ -41,7 +41,7 @@ open class CollectionViewCell: UICollectionViewCell, Pulseable {
     open let visualLayer = CAShapeLayer()
     
     /// A Pulse reference.
-    open fileprivate(set) var pulse: Pulse!
+    fileprivate var pulse: Pulse!
     
     /// PulseAnimation value.
     open var pulseAnimation: PulseAnimation {
@@ -237,14 +237,11 @@ open class CollectionViewCell: UICollectionViewCell, Pulseable {
      from the center.
      */
     open func pulse(point: CGPoint? = nil) {
-        let p = nil == point ? CGPoint(x: CGFloat(width / 2), y: CGFloat(height / 2)) : point!
+        let p = point ?? center
         
         pulse.expandAnimation(point: p)
         Motion.delay(time: 0.35) { [weak self] in
-            guard let s = self else {
-                return
-            }
-            s.pulse.contractAnimation()
+            self?.pulse.contractAnimation()
         }
     }
     

Sources/iOS/CollectionViewDelegate.swift

@@ -30,6 +30,4 @@
 
 import UIKit
 
-public protocol CollectionViewDelegate: UICollectionViewDelegate {
-	
-}
+public protocol CollectionViewDelegate: UICollectionViewDelegate {}

Sources/iOS/Layer.swift

@@ -134,7 +134,7 @@ open class Layer: CAShapeLayer {
      */
 	public override init(layer: Any) {
 		contentsGravityPreset = .resizeAspectFill
-		super.init()
+        super.init(layer: layer)
 		prepareVisualLayer()
 	}
 	

Sources/iOS/PulseView.swift

@@ -32,7 +32,7 @@ import UIKit
 
 open class PulseView: View, Pulseable {
     /// A Pulse reference.
-    open fileprivate(set) var pulse: Pulse!
+    fileprivate var pulse: Pulse!
     
     /// PulseAnimation value.
     open var pulseAnimation: PulseAnimation {
@@ -72,14 +72,11 @@ open class PulseView: View, Pulseable {
      from the center.
      */
     open func pulse(point: CGPoint? = nil) {
-        let p = nil == point ? CGPoint(x: CGFloat(width / 2), y: CGFloat(height / 2)) : point!
+        let p = point ?? center
         
         pulse.expandAnimation(point: p)
         Motion.delay(time: 0.35) { [weak self] in
-            guard let s = self else {
-                return
-            }
-            s.pulse.contractAnimation()
+            self?.pulse.contractAnimation()
         }
     }
     

Sources/iOS/TableViewCell.swift

@@ -40,7 +40,7 @@ open class TableViewCell: UITableViewCell, Pulseable {
     open let visualLayer = CAShapeLayer()
     
     /// A Pulse reference.
-    open fileprivate(set) var pulse: Pulse!
+    fileprivate var pulse: Pulse!
     
     /// PulseAnimation value.
     open var pulseAnimation: PulseAnimation {
@@ -114,14 +114,11 @@ open class TableViewCell: UITableViewCell, Pulseable {
      from the center.
      */
     open func pulse(point: CGPoint? = nil) {
-        let p = nil == point ? CGPoint(x: CGFloat(width / 2), y: CGFloat(height / 2)) : point!
+        let p = point ?? center
         
         pulse.expandAnimation(point: p)
         Motion.delay(time: 0.35) { [weak self] in
-            guard let s = self else {
-                return
-            }
-            s.pulse.contractAnimation()
+            self?.pulse.contractAnimation()
         }
     }
     

Sources/iOS/View.swift

@@ -105,7 +105,7 @@ open class View: UIView {
 	
 	/// A Preset for the contentsGravity property.
 	@IBInspectable
-    open var contentsGravityPreset = Gravity.resize {
+    open var contentsGravityPreset: Gravity {
 		didSet {
 			contentsGravity = GravityToValue(gravity: contentsGravityPreset)
 		}
@@ -135,6 +135,7 @@ open class View: UIView {
      - Parameter aDecoder: A NSCoder instance.
      */
 	public required init?(coder aDecoder: NSCoder) {
+        contentsGravityPreset = .resizeAspectFill
 		super.init(coder: aDecoder)
 		prepare()
 	}
@@ -146,7 +147,8 @@ open class View: UIView {
      - Parameter frame: A CGRect instance.
      */
 	public override init(frame: CGRect) {
-		super.init(frame: frame)
+		contentsGravityPreset = .resizeAspectFill
+        super.init(frame: frame)
 		prepare()
 	}