Revised settings views

Notes:
- A lot of representable shims over UIKit view controllers. These misbehave a little. They should be re-written in SwiftUI.
- Settings no longer uses VibrantTableViewCell
- Changes to AppDefaults trigger objectWillSend

iOS/AppDefaults.swift

@@ -7,6 +7,8 @@
 //
 
 import UIKit
+import Combine
+import SwiftUI
 
 enum UserInterfaceColorPalette: Int, CustomStringConvertible, CaseIterable {
 	case automatic = 0
@@ -26,7 +28,7 @@ enum UserInterfaceColorPalette: Int, CustomStringConvertible, CaseIterable {
 	
 }
 
-final class AppDefaults {
+final class AppDefaults: ObservableObject {
 
 	static let defaultThemeName = "Default"
 	
@@ -85,6 +87,7 @@ final class AppDefaults {
 		}
 		set {
 			setInt(for: Key.userInterfaceColorPalette, newValue.rawValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 
@@ -94,6 +97,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setString(for: Key.addWebFeedAccountID, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -103,6 +107,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setString(for: Key.addWebFeedFolderName, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -112,6 +117,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setString(for: Key.addFolderAccountID, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -121,6 +127,7 @@ final class AppDefaults {
 		}
 		set {
 			UserDefaults.standard.set(newValue, forKey: Key.activeExtensionPointIDs)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -130,6 +137,7 @@ final class AppDefaults {
 		}
 		set {
 			UserDefaults.standard.set(newValue, forKey: Key.hasUsedFullScreenPreviously)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -139,6 +147,7 @@ final class AppDefaults {
 		}
 		set {
 			UserDefaults.standard.setValue(newValue, forKey: Key.useSystemBrowser)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -148,6 +157,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setDate(for: Key.lastImageCacheFlushDate, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 
@@ -157,6 +167,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setBool(for: Key.timelineGroupByFeed, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 
@@ -166,6 +177,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setBool(for: Key.refreshClearsReadArticles, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 
@@ -175,15 +187,33 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setSortDirection(for: Key.timelineSortDirection, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
-
+	
+	/// This is a `Bool` wrapper for `timelineSortDirection`'s
+	/// `ComparisonResult`
+	var timelineSortDirectionBool: Bool {
+		get {
+			if AppDefaults.shared.timelineSortDirection == .orderedAscending {
+				return true
+			}
+			return false
+		}
+		set {
+			if newValue == true { timelineSortDirection = .orderedAscending } else {
+				timelineSortDirection = .orderedDescending
+			}
+		}
+	}
+	
 	var articleFullscreenEnabled: Bool {
 		get {
 			return AppDefaults.bool(for: Key.articleFullscreenEnabled)
 		}
 		set {
 			AppDefaults.setBool(for: Key.articleFullscreenEnabled, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 
@@ -193,6 +223,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setBool(for: Key.confirmMarkAllAsRead, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -202,6 +233,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setDate(for: Key.lastRefresh, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -211,6 +243,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setInt(for: Key.timelineNumberOfLines, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -221,6 +254,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.store.set(newValue.rawValue, forKey: Key.timelineIconDimension)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}
 	
@@ -230,6 +264,7 @@ final class AppDefaults {
 		}
 		set {
 			AppDefaults.setString(for: Key.currentThemeName, newValue)
+			AppDefaults.shared.objectWillChange.send()
 		}
 	}