development: updated Snackbar animations to allow for cancel block

Sources/iOS/Animation.swift

@@ -30,8 +30,6 @@
 
 import UIKit
 
-public typealias AnimationFillModeType = String
-
 @objc(AnimationFillMode)
 public enum AnimationFillMode: Int {
 	case forwards
@@ -41,9 +39,10 @@ public enum AnimationFillMode: Int {
 }
 
 /**
-	:name:	AnimationFillModeToValue
-*/
-public func AnimationFillModeToValue(mode: AnimationFillMode) -> AnimationFillModeType {
+ Converts the AnimationFillMode enum value to a corresponding String.
+ - Parameter mode: An AnimationFillMode enum value.
+ */
+public func AnimationFillModeToValue(mode: AnimationFillMode) -> String {
 	switch mode {
 	case .forwards:
 		return kCAFillModeForwards
@@ -60,15 +59,15 @@ public typealias AnimationDelayCancelBlock = (Bool) -> Void
 
 public struct Animation {
 	/// Delay helper method.
-	public static func delay(time: TimeInterval, completion: @escaping ()-> Void) ->  AnimationDelayCancelBlock? {
+	public static func delay(time: TimeInterval, completion: @escaping () -> Void) -> AnimationDelayCancelBlock {
 		
-		func dispatch_later(completion: @escaping ()-> Void) {
+		func asyncAfter(completion: @escaping () -> Void) {
 			DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + time, execute: completion)
         }
 		
 		var cancelable: AnimationDelayCancelBlock?
 		
-		let delayed: AnimationDelayCancelBlock = { (cancel: Bool) in
+		let delayed: AnimationDelayCancelBlock = { (cancel) in
 			if !cancel {
 				DispatchQueue.main.async(execute: completion)
 			}
@@ -77,18 +76,18 @@ public struct Animation {
 		
 		cancelable = delayed
 		
-		dispatch_later {
+		asyncAfter {
 			cancelable?(false)
 		}
 		
-		return cancelable;
+		return delayed;
 	}
 	
 	/**
 	:name:	delayCancel
 	*/
-	public static func delayCancel(completion: AnimationDelayCancelBlock?) {
-		completion?(true)
+	public static func delayCancel(completion: AnimationDelayCancelBlock) {
+		completion(true)
 	}
 
 	

Sources/iOS/Icon.swift

@@ -56,72 +56,72 @@ public struct Icon {
     }
     
     /// Google icons.
-    public static let add: UIImage? = Icon.icon("ic_add_white")
-	public static let addCircle: UIImage? = Icon.icon("ic_add_circle_white")
-	public static let addCircleOutline: UIImage? = Icon.icon("ic_add_circle_outline_white")
-	public static let arrowBack: UIImage? = Icon.icon("ic_arrow_back_white")
-    public static let arrowDownward: UIImage? = Icon.icon("ic_arrow_downward_white")
-    public static let audio: UIImage? = Icon.icon("ic_audiotrack_white")
-    public static let bell: UIImage? = Icon.icon("cm_bell_white")
-	public static let check: UIImage? = Icon.icon("ic_check_white")
-	public static let clear: UIImage? = Icon.icon("ic_close_white")
-    public static let close: UIImage? = Icon.icon("ic_close_white")
-    public static let edit: UIImage? = Icon.icon("ic_edit_white")
-	public static let favorite: UIImage? = Icon.icon("ic_favorite_white")
-	public static let favoriteBorder: UIImage? = Icon.icon("ic_favorite_border_white")
-	public static let history: UIImage? = Icon.icon("ic_history_white")
-	public static let home: UIImage? = Icon.icon("ic_home_white")
-	public static let image: UIImage? = Icon.icon("ic_image_white")
-    public static let menu: UIImage? = Icon.icon("ic_menu_white")
-    public static let moreHorizontal: UIImage? = Icon.icon("ic_more_horiz_white")
-    public static let moreVertical: UIImage? = Icon.icon("ic_more_vert_white")
-    public static let movie: UIImage? = Icon.icon("ic_movie_white")
-    public static let pen: UIImage? = Icon.icon("ic_edit_white")
-    public static let place: UIImage? = Icon.icon("ic_place_white")
-    public static let photoCamera: UIImage? = Icon.icon("ic_photo_camera_white")
-    public static let photoLibrary: UIImage? = Icon.icon("ic_photo_library_white")
-    public static let search: UIImage? = Icon.icon("ic_search_white")
-    public static let settings: UIImage? = Icon.icon("ic_settings_white")
-    public static let share: UIImage? = Icon.icon("ic_share_white")
-    public static let star: UIImage? = Icon.icon("ic_star_white")
-    public static let starBorder: UIImage? = Icon.icon("ic_star_border_white")
-    public static let starHalf: UIImage? = Icon.icon("ic_star_half_white")
-    public static let videocam: UIImage? = Icon.icon("ic_videocam_white")
-    public static let visibility: UIImage? = Icon.icon("ic_visibility_white")
+    public static let add = Icon.icon("ic_add_white")
+	public static let addCircle = Icon.icon("ic_add_circle_white")
+	public static let addCircleOutline = Icon.icon("ic_add_circle_outline_white")
+	public static let arrowBack = Icon.icon("ic_arrow_back_white")
+    public static let arrowDownward = Icon.icon("ic_arrow_downward_white")
+    public static let audio = Icon.icon("ic_audiotrack_white")
+    public static let bell = Icon.icon("cm_bell_white")
+	public static let check = Icon.icon("ic_check_white")
+	public static let clear = Icon.icon("ic_close_white")
+    public static let close = Icon.icon("ic_close_white")
+    public static let edit = Icon.icon("ic_edit_white")
+	public static let favorite = Icon.icon("ic_favorite_white")
+	public static let favoriteBorder = Icon.icon("ic_favorite_border_white")
+	public static let history = Icon.icon("ic_history_white")
+	public static let home = Icon.icon("ic_home_white")
+	public static let image = Icon.icon("ic_image_white")
+    public static let menu = Icon.icon("ic_menu_white")
+    public static let moreHorizontal = Icon.icon("ic_more_horiz_white")
+    public static let moreVertical = Icon.icon("ic_more_vert_white")
+    public static let movie = Icon.icon("ic_movie_white")
+    public static let pen = Icon.icon("ic_edit_white")
+    public static let place = Icon.icon("ic_place_white")
+    public static let photoCamera = Icon.icon("ic_photo_camera_white")
+    public static let photoLibrary = Icon.icon("ic_photo_library_white")
+    public static let search = Icon.icon("ic_search_white")
+    public static let settings = Icon.icon("ic_settings_white")
+    public static let share = Icon.icon("ic_share_white")
+    public static let star = Icon.icon("ic_star_white")
+    public static let starBorder = Icon.icon("ic_star_border_white")
+    public static let starHalf = Icon.icon("ic_star_half_white")
+    public static let videocam = Icon.icon("ic_videocam_white")
+    public static let visibility = Icon.icon("ic_visibility_white")
     
 	/// CosmicMind icons.
     public struct cm {
-        public static let add: UIImage? = Icon.icon("cm_add_white")
-        public static let arrowBack: UIImage? = Icon.icon("cm_arrow_back_white")
-		public static let arrowDownward: UIImage? = Icon.icon("cm_arrow_downward_white")
-		public static let audio: UIImage? = Icon.icon("cm_audio_white")
-		public static let audioLibrary: UIImage? = Icon.icon("cm_audio_library_white")
-		public static let bell: UIImage? = Icon.icon("cm_bell_white")
-		public static let check: UIImage? = Icon.icon("cm_check_white")
-		public static let clear: UIImage? = Icon.icon("cm_close_white")
-        public static let close: UIImage? = Icon.icon("cm_close_white")
-        public static let edit: UIImage? = Icon.icon("cm_pen_white")
-        public static let image: UIImage? = Icon.icon("cm_image_white")
-        public static let menu: UIImage? = Icon.icon("cm_menu_white")
-		public static let microphone: UIImage? = Icon.icon("cm_microphone_white")
-		public static let moreHorizontal: UIImage? = Icon.icon("cm_more_horiz_white")
-        public static let moreVertical: UIImage? = Icon.icon("cm_more_vert_white")
-        public static let movie: UIImage? = Icon.icon("cm_movie_white")
-		public static let pause: UIImage? = Icon.icon("cm_pause_white")
-		public static let pen: UIImage? = Icon.icon("cm_pen_white")
-        public static let photoCamera: UIImage? = Icon.icon("cm_photo_camera_white")
-		public static let photoLibrary: UIImage? = Icon.icon("cm_photo_library_white")
-		public static let play: UIImage? = Icon.icon("cm_play_white")
-		public static let search: UIImage? = Icon.icon("cm_search_white")
-		public static let settings: UIImage? = Icon.icon("cm_settings_white")
-		public static let share: UIImage? = Icon.icon("cm_share_white")
-		public static let shuffle: UIImage? = Icon.icon("cm_shuffle_white")
-		public static let skipBackward: UIImage? = Icon.icon("cm_skip_backward_white")
-		public static let skipForward: UIImage? = Icon.icon("cm_skip_forward_white")
-		public static let star: UIImage? = Icon.icon("cm_star_white")
-        public static let videocam: UIImage? = Icon.icon("cm_videocam_white")
-		public static let volumeHigh: UIImage? = Icon.icon("cm_volume_high_white")
-		public static let volumeMedium: UIImage? = Icon.icon("cm_volume_medium_white")
-		public static let volumeOff: UIImage? = Icon.icon("cm_volume_off_white")
+        public static let add = Icon.icon("cm_add_white")
+        public static let arrowBack = Icon.icon("cm_arrow_back_white")
+		public static let arrowDownward = Icon.icon("cm_arrow_downward_white")
+		public static let audio = Icon.icon("cm_audio_white")
+		public static let audioLibrary = Icon.icon("cm_audio_library_white")
+		public static let bell = Icon.icon("cm_bell_white")
+		public static let check = Icon.icon("cm_check_white")
+		public static let clear = Icon.icon("cm_close_white")
+        public static let close = Icon.icon("cm_close_white")
+        public static let edit = Icon.icon("cm_pen_white")
+        public static let image = Icon.icon("cm_image_white")
+        public static let menu = Icon.icon("cm_menu_white")
+		public static let microphone = Icon.icon("cm_microphone_white")
+		public static let moreHorizontal = Icon.icon("cm_more_horiz_white")
+        public static let moreVertical = Icon.icon("cm_more_vert_white")
+        public static let movie = Icon.icon("cm_movie_white")
+		public static let pause = Icon.icon("cm_pause_white")
+		public static let pen = Icon.icon("cm_pen_white")
+        public static let photoCamera = Icon.icon("cm_photo_camera_white")
+		public static let photoLibrary = Icon.icon("cm_photo_library_white")
+		public static let play = Icon.icon("cm_play_white")
+		public static let search = Icon.icon("cm_search_white")
+		public static let settings = Icon.icon("cm_settings_white")
+		public static let share = Icon.icon("cm_share_white")
+		public static let shuffle = Icon.icon("cm_shuffle_white")
+		public static let skipBackward = Icon.icon("cm_skip_backward_white")
+		public static let skipForward = Icon.icon("cm_skip_forward_white")
+		public static let star = Icon.icon("cm_star_white")
+        public static let videocam = Icon.icon("cm_videocam_white")
+		public static let volumeHigh = Icon.icon("cm_volume_high_white")
+		public static let volumeMedium = Icon.icon("cm_volume_medium_white")
+		public static let volumeOff = Icon.icon("cm_volume_off_white")
 	}
 }

Sources/iOS/MenuView.swift

@@ -37,14 +37,14 @@ public protocol MenuViewDelegate {
     optional func menuViewDidTapOutside(menuView: MenuView)
 }
 
-public class MenuView : PulseView {
+open class MenuView : PulseView {
 	/// References the Menu instance.
-	public private(set) lazy var menu: Menu = Menu()
+	open internal(set) lazy var menu: Menu = Menu()
 	
     /// A delegation reference.
     open weak var delegate: MenuViewDelegate?
     
-    public override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
+    open override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
         /**
          Since the subviews will be outside the bounds of this view,
          we need to look at the subviews to see if we have a hit.
@@ -74,7 +74,7 @@ public class MenuView : PulseView {
      The super.prepareView method should always be called immediately
      when subclassing.
      */
-	public override func prepareView() {
+	open override func prepareView() {
 		super.prepareView()
 		pulseAnimation = .none
 		clipsToBounds = false
@@ -86,7 +86,7 @@ public class MenuView : PulseView {
      - Parameter completion: An Optional callback that is executed when
      all menu items have been opened.
      */
-	public func open(completion: (() -> Void)? = nil) {
+	open func open(completion: (() -> Void)? = nil) {
 		if true == menu.views?.first?.isUserInteractionEnabled {
 			menu.views?.first?.isUserInteractionEnabled = false
 			menu.open { [weak self] (v: UIView) in
@@ -103,7 +103,7 @@ public class MenuView : PulseView {
      - Parameter completion: An Optional callback that is executed when
      all menu items have been closed.
      */
-	public func close(completion: (() -> Void)? = nil) {
+	open func close(completion: (() -> Void)? = nil) {
 		if true == menu.views?.first?.isUserInteractionEnabled {
 			menu.views?.first?.isUserInteractionEnabled = false
 			menu.close { [weak self] (v: UIView) in

Sources/iOS/Snackbar.swift

@@ -58,6 +58,25 @@ open class Snackbar: BarView {
     /// The status of the snackbar.
     open internal(set) var status = SnackbarStatus.notVisible
     
+    open override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
+        /**
+         Since the subviews will be outside the bounds of this view,
+         we need to look at the subviews to see if we have a hit.
+         */
+        guard !isHidden else {
+            return nil
+        }
+        
+        for v in subviews {
+            let p = v.convert(point, from: self)
+            if v.bounds.contains(p) {
+                return v.hitTest(p, with: event)
+            }
+        }
+        
+        return super.hitTest(point, with: event)
+    }
+    
     /**
      Prepares the view instance when intialized. When subclassing,
      it is recommended to override the prepareView method
@@ -67,10 +86,12 @@ open class Snackbar: BarView {
      */
     open override func prepareView() {
         super.prepareView()
-        interimSpace = 24
+        depthPreset = .none
+        interimSpacePreset = .interimSpace8
         contentEdgeInsets.left = interimSpace
         contentEdgeInsets.right = interimSpace
         backgroundColor = Color.grey.darken3
+        clipsToBounds = false
         prepareTextLabel()
     }
     

Sources/iOS/SnackbarController.swift

@@ -90,15 +90,22 @@ open class SnackbarController: RootController {
      Animates to a SnackbarStatus.
      - Parameter status: A SnackbarStatus enum value.
      */
-    open func animate(snackbar status: SnackbarStatus, animations: (@escaping (Snackbar) -> Void)? = nil, completion: (@escaping (Snackbar) -> Void)? = nil) {
-        isAnimating = true
-        isUserInteractionEnabled = false
+    open func animate(snackbar status: SnackbarStatus, delay: TimeInterval = 0, animations: (@escaping (Snackbar) -> Void)? = nil, completion: (@escaping (Snackbar) -> Void)? = nil) -> AnimationDelayCancelBlock {
+        return Animation.delay(time: delay) { [weak self, status = status, animations = animations, completion = completion] in
+            guard let s = self else {
+                return
+            }
+            
+            s.isAnimating = true
+            s.isUserInteractionEnabled = false
+            
             UIView.animate(withDuration: 0.25, animations: { [weak self, status = status, animations = animations] in
                 guard let s = self else {
                     return
                 }
                 
                 s.layoutSnackbar(status: status)
+                
                 animations?(s.snackbar)
             }) { [weak self, status = status, completion = completion] _ in
                 guard let s = self else {
@@ -108,9 +115,11 @@ open class SnackbarController: RootController {
                 s.isAnimating = false
                 s.isUserInteractionEnabled = true
                 s.snackbar.status = status
+                
                 completion?(s.snackbar)
             }
         }
+    }
     
     /**
      To execute in the order of the layout chain, override this
@@ -124,6 +133,7 @@ open class SnackbarController: RootController {
         }
         
         layoutSnackbar(status: snackbar.status)
+        layoutRootViewController(status: snackbar.status)
     }
     
     /**
@@ -149,33 +159,25 @@ open class SnackbarController: RootController {
      - Parameter status: A SnackbarStatus enum value.
      */
     private func layoutSnackbar(status: SnackbarStatus) {
+        let p = snackbar.intrinsicContentSize.height + snackbar.grid.layoutEdgeInsets.top + snackbar.grid.layoutEdgeInsets.bottom
+        snackbar.width = view.width
+        snackbar.height = p
+        snackbar.y = .visible == status ? view.height - p : view.height
+        snackbar.divider.reload()
+    }
+    
+    /**
+     Lays out the rootViewController.
+     - Parameter status: A SnackbarStatus enum value.
+     */
+    private func layoutRootViewController(status: SnackbarStatus) {
         guard let vc = rootViewController else {
             return
         }
         
-        let w = view.width
-        let h = view.height
-        let p = snackbar.intrinsicContentSize.height + snackbar.grid.layoutEdgeInsets.top + snackbar.grid.layoutEdgeInsets.bottom
-        
-        snackbar.width = w
-        snackbar.height = p
-        
         vc.view.x = 0
         vc.view.y = 0
-        vc.view.width = w
-        
-        switch status {
-        case .visible:
-            let y = h - p
-            snackbar.y = y
-            snackbar.isHidden = false
-            vc.view.height = y
-        case .notVisible:
-            snackbar.y = h
-            snackbar.isHidden = true
-            vc.view.height = h
-        }
-        
-        snackbar.divider.reload()
+        vc.view.width = view.width
+        vc.view.height = .visible == status ? view.height - snackbar.height : view.height
     }
 }