PrefMgr // Refactor the didSet methods.

Packages/vChewing_MainAssembly/Sources/MainAssembly/AboutUI/CtlAboutUI.swift

@@ -7,6 +7,7 @@
 // requirements defined in MIT License.
 
 import AppKit
+import Shared
 import SwiftUI
 
 public class CtlAboutUI: NSWindowController, NSWindowDelegate {

Packages/vChewing_MainAssembly/Sources/MainAssembly/AboutUI/VwrAboutUI.swift

@@ -7,6 +7,7 @@
 // requirements defined in MIT License.
 
 import AppKit
+import Shared
 import SwiftUI
 
 public struct VwrAboutUI {

Packages/vChewing_MainAssembly/Sources/MainAssembly/ChineseConverterBridge.swift

@@ -7,6 +7,7 @@
 // requirements defined in MIT License.
 
 import Hotenka
+import Shared
 
 public enum ChineseConverter {
   public static let shared = HotenkaChineseConverter(

Packages/vChewing_MainAssembly/Sources/MainAssembly/InputHandler/InputHandler_TypingMethod.swift

@@ -7,6 +7,7 @@
 // requirements defined in MIT License.
 
 import Foundation
+import Shared
 import SwiftExtension
 
 // MARK: - Typing Method

Packages/vChewing_MainAssembly/Sources/MainAssembly/PrefMgr_Singleton.swift

@@ -0,0 +1,36 @@
+// (c) 2021 and onwards The vChewing Project (MIT-NTL License).
+// ====================
+// This code is released under the MIT license (SPDX-License-Identifier: MIT)
+// ... with NTL restriction stating that:
+// No trademark license is granted to use the trade names, trademarks, service
+// marks, or product names of Contributor, except as required to fulfill notice
+// requirements defined in MIT License.
+
+import Shared
+
+public extension PrefMgr {
+  static let shared: PrefMgr = {
+    let result = PrefMgr()
+    result.assignDidSetActions()
+    return result
+  }()
+
+  private func assignDidSetActions() {
+    didAskForSyncingLMPrefs = {
+      if PrefMgr.shared.phraseReplacementEnabled {
+        LMMgr.loadUserPhraseReplacement()
+      }
+      if PrefMgr.shared.associatedPhrasesEnabled {
+        LMMgr.loadUserAssociatesData()
+      }
+      LMMgr.syncLMPrefs()
+    }
+    didAskForRefreshingSpeechSputnik = {
+      SpeechSputnik.shared.refreshStatus()
+    }
+    didAskForSyncingShiftKeyDetectorPrefs = {
+      SessionCtl.theShiftKeyDetector.toggleWithLShift = PrefMgr.shared.togglingAlphanumericalModeWithLShift
+      SessionCtl.theShiftKeyDetector.toggleWithRShift = PrefMgr.shared.togglingAlphanumericalModeWithRShift
+    }
+  }
+}

Packages/vChewing_MainAssembly/Sources/MainAssembly/SpeechSputnik.swift

@@ -8,6 +8,7 @@
 
 import AppKit
 import AVFoundation
+import Shared
 
 public class SpeechSputnik {
   public static var shared: SpeechSputnik = .init()

Packages/vChewing_Shared/Package.swift

@@ -26,5 +26,9 @@ let package = Package(
         .product(name: "SwiftExtension", package: "vChewing_SwiftExtension"),
       ]
     ),
+    .testTarget(
+      name: "SharedTests",
+      dependencies: ["Shared"]
+    ),
   ]
 )

Packages/vChewing_Shared/Sources/Shared/IMEApp.swift

@@ -8,7 +8,6 @@
 
 import AppKit
 import Carbon
-import Shared
 
 // MARK: - Top-level Enums relating to Input Mode and Language Supports.
 
@@ -52,7 +51,7 @@ public enum IMEApp {
   // MARK: - 輸入法的當前的簡繁體中文模式
 
   public static var currentInputMode: Shared.InputMode {
-    .init(rawValue: PrefMgr.shared.mostRecentInputMode) ?? .imeModeNULL
+    .init(rawValue: PrefMgr().mostRecentInputMode) ?? .imeModeNULL
   }
 
   /// 當前鍵盤是否是 JIS 佈局
@@ -62,9 +61,10 @@ public enum IMEApp {
 
   /// Fart or Beep?
   public static func buzz() {
-    if PrefMgr.shared.isDebugModeEnabled {
-      NSSound.buzz(fart: !PrefMgr.shared.shouldNotFartInLieuOfBeep)
-    } else if !PrefMgr.shared.shouldNotFartInLieuOfBeep {
+    let prefs = PrefMgr()
+    if prefs.isDebugModeEnabled {
+      NSSound.buzz(fart: !prefs.shouldNotFartInLieuOfBeep)
+    } else if !prefs.shouldNotFartInLieuOfBeep {
       NSSound.buzz(fart: true)
     } else {
       NSSound.beep()

Packages/vChewing_Shared/Sources/Shared/PrefMgr_Core.swift

@@ -6,14 +6,12 @@
 // marks, or product names of Contributor, except as required to fulfill notice
 // requirements defined in MIT License.
 
-import AppKit
-import Shared
+import Foundation
 import SwiftExtension
 
 // MARK: -
 
 @objcMembers public class PrefMgr: NSObject, PrefMgrProtocol {
-  public static let shared = PrefMgr()
   public static let kDefaultCandidateKeys = "123456"
   public static let kDefaultBasicKeyboardLayout = "com.apple.keylayout.ZhuyinBopomofo"
   public static let kDefaultAlphanumericalKeyboardLayout = {
@@ -27,6 +25,10 @@ import SwiftExtension
     "com.valvesoftware.steam": true, "jp.naver.line.mac": true,
   ]
 
+  public var didAskForSyncingLMPrefs: (() -> Void)?
+  public var didAskForRefreshingSpeechSputnik: (() -> Void)?
+  public var didAskForSyncingShiftKeyDetectorPrefs: (() -> Void)?
+
   // MARK: - Settings (Tier 1)
 
   @AppProperty(key: UserDef.kIsDebugModeEnabled.rawValue, defaultValue: false)
@@ -135,9 +137,7 @@ import SwiftExtension
 
   @AppProperty(key: UserDef.kReadingNarrationCoverage.rawValue, defaultValue: 0)
   public dynamic var readingNarrationCoverage: Int {
-    didSet {
-      SpeechSputnik.shared.refreshStatus()
-    }
+    didSet { didAskForRefreshingSpeechSputnik?() }
   }
 
   @AppProperty(key: UserDef.kAlsoConfirmAssociatedCandidatesByEnter.rawValue, defaultValue: false)
@@ -160,16 +160,12 @@ import SwiftExtension
 
   @AppProperty(key: UserDef.kTogglingAlphanumericalModeWithLShift.rawValue, defaultValue: true)
   public dynamic var togglingAlphanumericalModeWithLShift: Bool {
-    didSet {
-      SessionCtl.theShiftKeyDetector.toggleWithLShift = togglingAlphanumericalModeWithLShift
-    }
+    didSet { didAskForSyncingShiftKeyDetectorPrefs?() }
   }
 
   @AppProperty(key: UserDef.kTogglingAlphanumericalModeWithRShift.rawValue, defaultValue: true)
   public dynamic var togglingAlphanumericalModeWithRShift: Bool {
-    didSet {
-      SessionCtl.theShiftKeyDetector.toggleWithRShift = togglingAlphanumericalModeWithRShift
-    }
+    didSet { didAskForSyncingShiftKeyDetectorPrefs?() }
   }
 
   @AppProperty(key: UserDef.kConsolidateContextOnCandidateSelection.rawValue, defaultValue: true)
@@ -244,23 +240,17 @@ import SwiftExtension
 
   @AppProperty(key: UserDef.kCNS11643Enabled.rawValue, defaultValue: false)
   public dynamic var cns11643Enabled: Bool {
-    didSet {
-      LMMgr.syncLMPrefs()
-    }
+    didSet { didAskForSyncingLMPrefs?() }
   }
 
   @AppProperty(key: UserDef.kSymbolInputEnabled.rawValue, defaultValue: true)
   public dynamic var symbolInputEnabled: Bool {
-    didSet {
-      LMMgr.syncLMPrefs()
-    }
+    didSet { didAskForSyncingLMPrefs?() }
   }
 
   @AppProperty(key: UserDef.kCassetteEnabled.rawValue, defaultValue: false)
   public dynamic var cassetteEnabled: Bool {
-    didSet {
-      LMMgr.syncLMPrefs()
-    }
+    didSet { didAskForSyncingLMPrefs?() }
   }
 
   @AppProperty(key: UserDef.kChineseConversionEnabled.rawValue, defaultValue: false)
@@ -340,33 +330,17 @@ import SwiftExtension
 
   @AppProperty(key: UserDef.kUseSCPCTypingMode.rawValue, defaultValue: false)
   public dynamic var useSCPCTypingMode: Bool {
-    didSet {
-      LMMgr.syncLMPrefs()
-    }
+    didSet { didAskForSyncingLMPrefs?() }
   }
 
   @AppProperty(key: UserDef.kPhraseReplacementEnabled.rawValue, defaultValue: false)
   public dynamic var phraseReplacementEnabled: Bool {
-    didSet {
-      LMMgr.syncLMPrefs()
-    }
-    willSet {
-      if newValue {
-        LMMgr.loadUserPhraseReplacement()
-      }
-    }
+    didSet { didAskForSyncingLMPrefs?() }
   }
 
   @AppProperty(key: UserDef.kAssociatedPhrasesEnabled.rawValue, defaultValue: false)
   public dynamic var associatedPhrasesEnabled: Bool {
-    didSet {
-      LMMgr.syncLMPrefs()
-    }
-    willSet {
-      if newValue {
-        LMMgr.loadUserAssociatesData()
-      }
-    }
+    didSet { didAskForSyncingLMPrefs?() }
   }
 
   // MARK: - Keyboard HotKey Enable / Disable

Packages/vChewing_Shared/Sources/Shared/PrefMgr_Utilities.swift

@@ -7,22 +7,7 @@
 // requirements defined in MIT License.
 
 import InputMethodKit
-import Shared
 import SwiftExtension
-import SwiftUI
-
-// MARK: ObservableProject.
-
-@available(macOS 10.15, *)
-extension PrefMgr: ObservableObject {}
-
-extension PrefMgr {
-  func sendObjWillChange() {
-    if #available(macOS 10.15, *) {
-      objectWillChange.send()
-    }
-  }
-}
 
 // MARK: Guarded Method for Validating Candidate Keys.
 
@@ -90,7 +75,7 @@ public extension PrefMgr {
 
 public extension PrefMgr {
   @discardableResult func dumpShellScriptBackup() -> String? {
-    let mirror = Mirror(reflecting: PrefMgr.shared)
+    let mirror = Mirror(reflecting: self)
     guard let bundleIdentifier = Bundle.main.bundleIdentifier else { return nil }
     let strDoubleDashLine = String(String(repeating: "=", count: 70))
     let consoleOutput = NSMutableString(string: "#!/bin/sh\n\n")

Packages/vChewing_Shared/Tests/SharedTests/SharedTests.swift

@@ -0,0 +1,18 @@
+// (c) 2022 and onwards The vChewing Project (MIT-NTL License).
+// ====================
+// This code is released under the MIT license (SPDX-License-Identifier: MIT)
+// ... with NTL restriction stating that:
+// No trademark license is granted to use the trade names, trademarks, service
+// marks, or product names of Contributor, except as required to fulfill notice
+// requirements defined in MIT License.
+
+@testable import Shared
+import XCTest
+
+final class SharedTests: XCTestCase {
+  func testDumpedPrefs() throws {
+    let prefs = PrefMgr()
+    let fetched = prefs.dumpShellScriptBackup() ?? ""
+    XCTAssertFalse(fetched.isEmpty)
+  }
+}

Source/Modules/main.swift

@@ -10,6 +10,7 @@ import AppKit
 import IMKUtils
 import InputMethodKit
 import MainAssembly
+import Shared
 import Uninstaller
 
 let cmdParameters = CommandLine.arguments.dropFirst(1)