added alertViewController

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS.xcodeproj/project.pbxproj

@@ -174,6 +174,7 @@
 		EAF1FE9B29DB1A6000101452 /* Changeable.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF1FE9A29DB1A6000101452 /* Changeable.swift */; };
 		EAF2F4762C231EAA007BFEDC /* AccessibilityActionElement.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF2F4752C231EAA007BFEDC /* AccessibilityActionElement.swift */; };
 		EAF2F4782C249D72007BFEDC /* AccessibilityUpdatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF2F4772C249D72007BFEDC /* AccessibilityUpdatable.swift */; };
+		EAF2F4892C2A1075007BFEDC /* AlertViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF2F4882C2A1075007BFEDC /* AlertViewController.swift */; };
 		EAF7F0952899861000B287F5 /* CheckboxItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF7F0932899861000B287F5 /* CheckboxItem.swift */; };
 		EAF7F09A2899B17200B287F5 /* CATransaction.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF7F0992899B17200B287F5 /* CATransaction.swift */; };
 		EAF7F0A0289AB7EC00B287F5 /* View.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF7F09F289AB7EC00B287F5 /* View.swift */; };
@@ -402,6 +403,7 @@
 		EAF1FE9A29DB1A6000101452 /* Changeable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Changeable.swift; sourceTree = "<group>"; };
 		EAF2F4752C231EAA007BFEDC /* AccessibilityActionElement.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AccessibilityActionElement.swift; sourceTree = "<group>"; };
 		EAF2F4772C249D72007BFEDC /* AccessibilityUpdatable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AccessibilityUpdatable.swift; sourceTree = "<group>"; };
+		EAF2F4882C2A1075007BFEDC /* AlertViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlertViewController.swift; sourceTree = "<group>"; };
 		EAF7F0932899861000B287F5 /* CheckboxItem.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CheckboxItem.swift; sourceTree = "<group>"; };
 		EAF7F0992899B17200B287F5 /* CATransaction.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CATransaction.swift; sourceTree = "<group>"; };
 		EAF7F09F289AB7EC00B287F5 /* View.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = View.swift; sourceTree = "<group>"; };
@@ -750,6 +752,7 @@
 				EAF7F0B8289C139800B287F5 /* ColorConfiguration.swift */,
 				EAB5FEF02927F4AA00998C17 /* SelfSizingCollectionView.swift */,
 				EAF2F4752C231EAA007BFEDC /* AccessibilityActionElement.swift */,
+				EAF2F4882C2A1075007BFEDC /* AlertViewController.swift */,
 			);
 			path = Classes;
 			sourceTree = "<group>";
@@ -1310,6 +1313,7 @@
 				EA0D1C3B2A6AD51B00E5C127 /* Typogprahy+Styles.swift in Sources */,
 				EAF7F09A2899B17200B287F5 /* CATransaction.swift in Sources */,
 				EAC58C162BED0E0300BA39FA /* InlineAction.swift in Sources */,
+				EAF2F4892C2A1075007BFEDC /* AlertViewController.swift in Sources */,
 				EA0D1C3D2A6AD57600E5C127 /* Typography+Enums.swift in Sources */,
 				EAF1FE9B29DB1A6000101452 /* Changeable.swift in Sources */,
 				EAC58C0C2BED01D500BA39FA /* Telephone.swift in Sources */,

VDS/Classes/AlertViewController.swift

@@ -0,0 +1,101 @@
+//
+//  AlertViewController.swift
+//  VDS
+//
+//  Created by Matt Bruce on 6/24/24.
+//
+
+import Foundation
+import UIKit
+import Combine
+import VDSCoreTokens
+
+open class AlertViewController: UIViewController, Surfaceable {
+    
+    /// Set of Subscribers for any Publishers for this Control.
+    open var subscribers = Set<AnyCancellable>()
+
+    //--------------------------------------------------
+    // MARK: - Private Properties
+    //--------------------------------------------------
+    private var onClickSubscriber: AnyCancellable? {
+        willSet {
+            if let onClickSubscriber {
+                onClickSubscriber.cancel()
+            }
+        }
+    }
+    
+    //--------------------------------------------------
+    // MARK: - Public Properties
+    //--------------------------------------------------
+    /// Current Surface and this is used to pass down to child objects that implement Surfacable
+    open var surface: Surface = .light { didSet { updateView() }}
+    open var presenter: UIView? { didSet { updateView() }}
+    open var dialog: UIView!
+
+    //--------------------------------------------------
+    // MARK: - Configuration
+    //--------------------------------------------------
+    private let backgroundColorConfiguration = SurfaceColorConfiguration(VDSColor.backgroundPrimaryDark, VDSColor.backgroundPrimaryLight)
+
+    //--------------------------------------------------
+    // MARK: - Lifecycle
+    //--------------------------------------------------
+    open override func viewDidLoad() {
+        super.viewDidLoad()
+        isModalInPresentation = true
+        setup()
+    }
+    open override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        UIAccessibility.post(notification: .screenChanged, argument: dialog)
+    }
+        
+    private func dismiss() {
+        dismiss(animated: true) { [weak self] in
+            guard let self, let presenter else { return }
+            UIAccessibility.post(notification: .layoutChanged, argument: presenter)
+        }
+    }
+    
+    open func setup() {
+        guard let dialog else { return }
+        view.accessibilityElements = [dialog]
+
+        //left-right swipe
+        view.publisher(for: UISwipeGestureRecognizer().with{ $0.direction = .right })
+            .sink { [weak self] swipe in
+                guard let self, !UIAccessibility.isVoiceOverRunning else { return }
+                self.dismiss()
+            }.store(in: &subscribers)
+        
+        //tapping in background
+        view.publisher(for: UITapGestureRecognizer().with{ $0.numberOfTapsRequired = 1 })
+            .sink { [weak self] swipe in
+                guard let self, !UIAccessibility.isVoiceOverRunning else { return }
+                self.dismiss()
+            }.store(in: &subscribers)
+        
+        view.addSubview(dialog)
+
+        // Activate constraints
+        NSLayoutConstraint.activate([
+            // Constraints for the floating modal view
+            dialog.centerXAnchor.constraint(equalTo: view.centerXAnchor),
+            dialog.centerYAnchor.constraint(equalTo: view.centerYAnchor),
+            dialog.leadingAnchor.constraint(greaterThanOrEqualTo: view.leadingAnchor, constant: 10),
+            dialog.trailingAnchor.constraint(lessThanOrEqualTo: view.trailingAnchor, constant: -10),
+            dialog.topAnchor.constraint(greaterThanOrEqualTo: view.topAnchor, constant: 10),
+            dialog.bottomAnchor.constraint(lessThanOrEqualTo: view.bottomAnchor, constant: -10)
+        ])
+    }
+
+    /// Used to make changes to the View based off a change events or from local properties.
+    open func updateView() {
+        view.backgroundColor = backgroundColorConfiguration.getColor(self).withAlphaComponent(0.3)
+        if var dialog = dialog as? Surfaceable {
+            dialog.surface = surface
+        }
+    }
+}