Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

VDS/BaseClasses/Control.swift

@@ -35,6 +35,7 @@ open class Control: UIControl, ViewProtocol, UserInfoable, Clickable {
     // MARK: - Combine Properties
     //--------------------------------------------------
     open var subscribers = Set<AnyCancellable>()
+    open var subject = PassthroughSubject<Void, Never>()
 
     open var onClickSubscriber: AnyCancellable? 
         
@@ -78,10 +79,19 @@ open class Control: UIControl, ViewProtocol, UserInfoable, Clickable {
     //--------------------------------------------------
     // MARK: - Lifecycle
     //--------------------------------------------------
+    /// When the view moves to a window, force any pending update immediately.
+    open override func didMoveToWindow() {
+        super.didMoveToWindow()
+        if window != nil {
+            updateView()
+        }
+    }
+    
     private func initialSetup() {
         if !initialSetupPerformed {
             initialSetupPerformed = true
             shouldUpdateView = false
+            setupDidChangeEvent(true)
             setup()
             setDefaults()
             shouldUpdateView = true

VDS/BaseClasses/View.swift

@@ -36,7 +36,8 @@ open class View: UIView, ViewProtocol, UserInfoable, Clickable {
     // MARK: - Combine Properties
     //--------------------------------------------------
     open var subscribers = Set<AnyCancellable>()
-    
+    open var subject = PassthroughSubject<Void, Never>()
+
     open var onClickSubscriber: AnyCancellable?
     //--------------------------------------------------
     // MARK: - Private Properties
@@ -58,10 +59,19 @@ open class View: UIView, ViewProtocol, UserInfoable, Clickable {
     //--------------------------------------------------
     // MARK: - Lifecycle
     //--------------------------------------------------
+    /// When the view moves to a window, force any pending update immediately.
+    open override func didMoveToWindow() {
+        super.didMoveToWindow()
+        if window != nil {
+            updateView()
+        }
+    }
+    
     private func initialSetup() {
         if !initialSetupPerformed {
             initialSetupPerformed = true
             shouldUpdateView = false
+            setupDidChangeEvent(true)
             setup()
             setDefaults()
             shouldUpdateView = true

VDS/Components/Buttons/ButtonBase.swift

@@ -38,8 +38,9 @@ open class ButtonBase: UIButton, ViewProtocol, UserInfoable, Clickable {
     //--------------------------------------------------
     /// Set of Subscribers for any Publishers for this Control.
     open var subscribers = Set<AnyCancellable>()
+    open var subject = PassthroughSubject<Void, Never>()
     
-    open var onClickSubscriber: AnyCancellable? 
+    open var onClickSubscriber: AnyCancellable?
 
     //--------------------------------------------------
     // MARK: - Private Properties
@@ -97,10 +98,19 @@ open class ButtonBase: UIButton, ViewProtocol, UserInfoable, Clickable {
     //--------------------------------------------------
     // MARK: - Lifecycle
     //--------------------------------------------------
+    /// When the view moves to a window, force any pending update immediately.
+    open override func didMoveToWindow() {
+        super.didMoveToWindow()
+        if window != nil {
+            updateView()
+        }
+    }
+    
     private func initialSetup() {
         if !initialSetupPerformed {
             initialSetupPerformed = true 
             shouldUpdateView = false
+            setupDidChangeEvent(true)
             setup()
             setDefaults()
             shouldUpdateView = true

VDS/Components/Label/Label.swift

@@ -39,7 +39,8 @@ open class Label: UILabel, ViewProtocol, UserInfoable {
     //--------------------------------------------------
     /// Set of Subscribers for any Publishers for this Control.
     open var subscribers = Set<AnyCancellable>()
-    
+    open var subject = PassthroughSubject<Void, Never>()
+
     //--------------------------------------------------
     // MARK: - Private Properties
     //--------------------------------------------------
@@ -192,10 +193,19 @@ open class Label: UILabel, ViewProtocol, UserInfoable {
     //--------------------------------------------------
     // MARK: - Lifecycle
     //--------------------------------------------------
+    /// When the view moves to a window, force any pending update immediately.
+    open override func didMoveToWindow() {
+        super.didMoveToWindow()
+        if window != nil {
+            updateView()
+        }
+    }
+    
     private func initialSetup() {
         if !initialSetupPerformed {
             initialSetupPerformed = true
             shouldUpdateView = false
+            setupDidChangeEvent(true)
             setup()
             setDefaults()
             shouldUpdateView = true

VDS/Components/TextFields/InputField/TextField.swift

@@ -37,6 +37,7 @@ open class TextField: UITextField, ViewProtocol, Errorable {
     //--------------------------------------------------
     /// Set of Subscribers for any Publishers for this Control.
     open var subscribers = Set<AnyCancellable>()
+    open var subject = PassthroughSubject<Void, Never>()
 
     //--------------------------------------------------
     // MARK: - Private Properties
@@ -98,10 +99,19 @@ open class TextField: UITextField, ViewProtocol, Errorable {
     //--------------------------------------------------
     // MARK: - Lifecycle
     //--------------------------------------------------
+    /// When the view moves to a window, force any pending update immediately.
+    open override func didMoveToWindow() {
+        super.didMoveToWindow()
+        if window != nil {
+            updateView()
+        }
+    }
+    
     private func initialSetup() {
         if !initialSetupPerformed {
             initialSetupPerformed = true
             shouldUpdateView = false
+            setupDidChangeEvent(true)
             setup()
             setDefaults()
             shouldUpdateView = true

VDS/Components/TextFields/TextArea/TextView.swift

@@ -37,6 +37,7 @@ open class TextView: UITextView, ViewProtocol, Errorable {
     //--------------------------------------------------
     /// Set of Subscribers for any Publishers for this Control.
     open var subscribers = Set<AnyCancellable>()
+    open var subject = PassthroughSubject<Void, Never>()
 
     //--------------------------------------------------
     // MARK: - Private Properties
@@ -107,10 +108,19 @@ open class TextView: UITextView, ViewProtocol, Errorable {
     //--------------------------------------------------
     // MARK: - Lifecycle
     //--------------------------------------------------
+    /// When the view moves to a window, force any pending update immediately.
+    open override func didMoveToWindow() {
+        super.didMoveToWindow()
+        if window != nil {
+            updateView()
+        }
+    }
+    
     private func initialSetup() {
         if !initialSetupPerformed {
             initialSetupPerformed = true
             shouldUpdateView = false
+            setupDidChangeEvent(true)
             setup()
             setDefaults()
             shouldUpdateView = true

VDS/Protocols/ViewProtocol.swift

@@ -10,6 +10,8 @@ import UIKit
 import Combine
 
 public protocol ViewProtocol: AnyObject, Initable, Resettable, Enabling, Surfaceable, AccessibilityUpdatable {
+    var subject: PassthroughSubject<Void, Never> { get set }
+
     /// Set of Subscribers for any Publishers for this Control.
     var subscribers: Set<AnyCancellable> { get set }
     
@@ -36,28 +38,48 @@ extension ViewProtocol {
     
     /// Called when there are changes in a View based off a change events or from local properties.
     public func setNeedsUpdate() {
-        if shouldUpdateView {
-            shouldUpdateView = false
-            
-            //see if this is a view that has children
-            let parent = self as? any ParentViewProtocol
-            let children = parent?.getAllChildren()
-            //if so turn off the shouldUpdate to keep UI
-            //from blocking
-            children?.forEach{ $0.shouldUpdateView = false }
-            
-            updateView()
-            updateAccessibility()
-            
-            //if so turn on 
-            children?.forEach{
-                $0.updateView()
-                $0.updateAccessibility()
-                $0.shouldUpdateView = true
-            }
-            shouldUpdateView = true
+//        if shouldUpdateView {
+//            shouldUpdateView = false
+//            
+//            //see if this is a view that has children
+//            let parent = self as? any ParentViewProtocol
+//            let children = parent?.getAllChildren()
+//            //if so turn off the shouldUpdate to keep UI
+//            //from blocking
+//            children?.forEach{ $0.shouldUpdateView = false }
+//            
+//            updateView()
+//            updateAccessibility()
+//            
+//            //if so turn on 
+//            children?.forEach{
+//                $0.updateView()
+//                $0.updateAccessibility()
+//                $0.shouldUpdateView = true
+//            }
+//            shouldUpdateView = true
+//        }
+        subject.send()
+    }
+    
+    public func setupDidChangeEvent(_ debounce: Bool = false) {
+        handlerPublisher(debounce)
+            .sink { [weak self] _ in
+                self?.updateView()
+        }.store(in: &subscribers)
+    }
+    
+    public func handlerPublisher(_ debounce: Bool = false) -> AnyPublisher<Void, Never> {
+        if debounce {
+            return subject
+                .debounce(for: .seconds(0.05), scheduler: RunLoop.main)
+                .eraseToAnyPublisher()
+        } else {
+            return subject
+                .eraseToAnyPublisher()
         }
     }
+
 }
 
 extension ViewProtocol where Self: UIView {