From 3e2dcda07262b619b1d32de291e1e8052904490f Mon Sep 17 00:00:00 2001
From: ShikiSuen <shikisuen@outlook.com>
Date: Wed, 10 Aug 2022 09:06:23 +0800
Subject: [PATCH] Repo // Lazy-load certain user-space language models.

---
 Source/Modules/IMEModules/IME.swift      | 12 +++++--
 Source/Modules/IMEModules/mgrPrefs.swift | 40 +++++++++++++++++-------
 2 files changed, 38 insertions(+), 14 deletions(-)

diff --git a/Source/Modules/IMEModules/IME.swift b/Source/Modules/IMEModules/IME.swift
index 4108c016..24e52104 100644
--- a/Source/Modules/IMEModules/IME.swift
+++ b/Source/Modules/IMEModules/IME.swift
@@ -77,9 +77,15 @@ public enum IME {
     // mgrLangModel 的 loadUserPhrases 等函式在自動讀取 dataFolderPath 時，
     // 如果發現自訂目錄不可用，則會自動抹去自訂目錄設定、改採預設目錄。
     // 所以這裡不需要特別處理。
-    mgrLangModel.loadUserAssociatesData()
-    mgrLangModel.loadUserPhraseReplacement()
-    mgrLangModel.loadUserSCPCSequencesData()
+    if mgrPrefs.associatedPhrasesEnabled {
+      mgrLangModel.loadUserAssociatesData()
+    }
+    if mgrPrefs.phraseReplacementEnabled {
+      mgrLangModel.loadUserPhraseReplacement()
+    }
+    if mgrPrefs.useSCPCTypingMode {
+      mgrLangModel.loadUserSCPCSequencesData()
+    }
     mgrLangModel.loadUserPhrasesData()
     if !userOnly {
       // mgrLangModel.loadDataModels()
diff --git a/Source/Modules/IMEModules/mgrPrefs.swift b/Source/Modules/IMEModules/mgrPrefs.swift
index 4b1e4232..541e5ff2 100644
--- a/Source/Modules/IMEModules/mgrPrefs.swift
+++ b/Source/Modules/IMEModules/mgrPrefs.swift
@@ -388,15 +388,6 @@ public enum mgrPrefs {
     mgrPrefs.allowBoostingSingleKanjiAsUserPhrase ? 1 : 2
   }
 
-  @UserDefault(key: UserDef.kUseSCPCTypingMode.rawValue, defaultValue: false)
-  static var useSCPCTypingMode: Bool
-
-  static func toggleSCPCTypingModeEnabled() -> Bool {
-    useSCPCTypingMode = !useSCPCTypingMode
-    UserDefaults.standard.set(useSCPCTypingMode, forKey: UserDef.kUseSCPCTypingMode.rawValue)
-    return useSCPCTypingMode
-  }
-
   @UserDefault(key: UserDef.kMaxCandidateLength.rawValue, defaultValue: 10)
   static var maxCandidateLength: Int
 
@@ -564,8 +555,29 @@ public enum mgrPrefs {
     }
   }
 
+  @UserDefault(key: UserDef.kUseSCPCTypingMode.rawValue, defaultValue: false)
+  static var useSCPCTypingMode: Bool {
+    willSet {
+      DispatchQueue.main.asyncAfter(deadline: DispatchTime.now()) {
+        mgrLangModel.loadUserSCPCSequencesData()
+      }
+    }
+  }
+
+  static func toggleSCPCTypingModeEnabled() -> Bool {
+    useSCPCTypingMode = !useSCPCTypingMode
+    UserDefaults.standard.set(useSCPCTypingMode, forKey: UserDef.kUseSCPCTypingMode.rawValue)
+    return useSCPCTypingMode
+  }
+
   @UserDefault(key: UserDef.kPhraseReplacementEnabled.rawValue, defaultValue: false)
-  static var phraseReplacementEnabled: Bool
+  static var phraseReplacementEnabled: Bool {
+    willSet {
+      DispatchQueue.main.asyncAfter(deadline: DispatchTime.now()) {
+        mgrLangModel.loadUserPhraseReplacement()
+      }
+    }
+  }
 
   static func togglePhraseReplacementEnabled() -> Bool {
     phraseReplacementEnabled = !phraseReplacementEnabled
@@ -575,7 +587,13 @@ public enum mgrPrefs {
   }
 
   @UserDefault(key: UserDef.kAssociatedPhrasesEnabled.rawValue, defaultValue: false)
-  static var associatedPhrasesEnabled: Bool
+  static var associatedPhrasesEnabled: Bool {
+    willSet {
+      DispatchQueue.main.asyncAfter(deadline: DispatchTime.now()) {
+        mgrLangModel.loadUserAssociatesData()
+      }
+    }
+  }
 
   static func toggleAssociatedPhrasesEnabled() -> Bool {
     associatedPhrasesEnabled = !associatedPhrasesEnabled