integrate localStorage options into preference system

5 files changed, 118 insertions, 100 deletions

diff --git a/packages/frontend/src/pages/settings/custom-css.vue b/packages/frontend/src/pages/settings/custom-css.vue
index 07b16d5c45..5b9b0d897a 100644
--- a/packages/frontend/src/pages/settings/custom-css.vue
+++ b/packages/frontend/src/pages/settings/custom-css.vue
@@ -23,24 +23,8 @@ import { i18n } from '@/i18n.js';
 import { definePage } from '@/page.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { prefer } from '@/preferences.js';
-import { reloadAsk } from '@/utility/reload-ask';
 
-const customCssModel = prefer.model('customCss');
-const localCustomCss = computed<string>({
-	get() {
-		return customCssModel.value ?? miLocalStorage.getItem('customCss') ?? '';
-	},
-	set(newCustomCss) {
-		customCssModel.value = newCustomCss;
-		if (newCustomCss) {
-			miLocalStorage.setItem('customCss', newCustomCss);
-		} else {
-			miLocalStorage.removeItem('customCss');
-		}
-
-		reloadAsk(true);
-	},
-});
+const localCustomCss = prefer.model('customCss');
 
 const headerActions = computed(() => []);
 
diff --git a/packages/frontend/src/pages/settings/preferences.vue b/packages/frontend/src/pages/settings/preferences.vue
index ed0e3689a5..84c625b502 100644
--- a/packages/frontend/src/pages/settings/preferences.vue
+++ b/packages/frontend/src/pages/settings/preferences.vue
@@ -1059,68 +1059,13 @@ const clickToOpen = prefer.model('clickToOpen');
 const useCustomSearchEngine = computed(() => !Object.keys(searchEngineMap).includes(searchEngine.value));
 const defaultCW = ref($i.defaultCW);
 const defaultCWPriority = ref($i.defaultCWPriority);
-
-const langModel = prefer.model('lang');
-const lang = computed<string>({
-	get() {
-		return langModel.value ?? miLocalStorage.getItem('lang') ?? 'en-US';
-	},
-	set(newLang) {
-		langModel.value = newLang;
-		miLocalStorage.setItem('lang', newLang);
-		miLocalStorage.removeItem('locale');
-		miLocalStorage.removeItem('localeVersion');
-	},
-});
-
-const fontSizeModel = prefer.model('fontSize');
-const fontSize = computed<'0' | '1' | '2' | '3'>({
-	get() {
-		return fontSizeModel.value ?? miLocalStorage.getItem('fontSize') ?? '0';
-	},
-	set(newFontSize) {
-		fontSizeModel.value = newFontSize;
-		if (newFontSize !== '0') {
-			miLocalStorage.setItem('fontSize', newFontSize);
-		} else {
-			miLocalStorage.removeItem('fontSize');
-		}
-	},
-});
-
-const useSystemFontModel = prefer.model('useSystemFont');
-const useSystemFont = computed<boolean>({
-	get() {
-		return useSystemFontModel.value ?? (miLocalStorage.getItem('useSystemFont') != null);
-	},
-	set(newUseSystemFont) {
-		useSystemFontModel.value = newUseSystemFont;
-		if (newUseSystemFont) {
-			miLocalStorage.setItem('useSystemFont', 't');
-		} else {
-			miLocalStorage.removeItem('useSystemFont');
-		}
-	},
-});
-
-const cornerRadiusModel = prefer.model('cornerRadius');
-const cornerRadius = computed<'misskey' | 'sharkey'>({
-	get() {
-		return cornerRadiusModel.value ?? miLocalStorage.getItem('cornerRadius') ?? 'sharkey';
-	},
-	set(newCornerRadius) {
-		cornerRadiusModel.value = newCornerRadius;
-		if (newCornerRadius === 'sharkey') {
-			miLocalStorage.removeItem('cornerRadius');
-		} else {
-			miLocalStorage.setItem('cornerRadius', newCornerRadius);
-		}
-	},
-});
+const lang = prefer.model('lang');
+const fontSize = prefer.model('fontSize');
+const useSystemFont = prefer.model('useSystemFont');
+const cornerRadius = prefer.model('cornerRadius');
 
 watch([
 	hemisphere,
-	lang,
 	enableInfiniteScroll,
 	showNoteActionsOnlyHover,
 	overridedDeviceKind,
@@ -1142,9 +1087,6 @@ watch([
 	useStickyIcons,
 	keepScreenOn,
 	contextMenu,
-	fontSize,
-	useSystemFont,
-	cornerRadius,
 	makeEveryTextElementsSelectable,
 	noteDesign,
 ], async () => {
diff --git a/packages/frontend/src/pref-migrate.ts b/packages/frontend/src/pref-migrate.ts
index a7bb82a5f0..3250e7f1bd 100644
--- a/packages/frontend/src/pref-migrate.ts
+++ b/packages/frontend/src/pref-migrate.ts
@@ -13,6 +13,7 @@ import { deckStore } from '@/ui/deck/deck-store.js';
 import { unisonReload } from '@/utility/unison-reload.js';
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
+import { miLocalStorage } from '@/local-storage';
 
 // TODO: そのうち消す
 export function migrateOldSettings() {
@@ -167,5 +168,15 @@ export function migrateOldSettings() {
 		window.setTimeout(() => {
 			unisonReload();
 		}, 10000);
+		//#region Hybrid migrations
+		prefer.commit('fontSize', miLocalStorage.getItem('fontSize') ?? '0');
+		prefer.commit('useSystemFont', miLocalStorage.getItem('useSystemFont') != null);
+		prefer.commit('cornerRadius', miLocalStorage.getItem('cornerRadius') ?? 'sharkey');
+		prefer.commit('lang', miLocalStorage.getItem('lang') ?? 'en-US');
+		prefer.commit('customCss', miLocalStorage.getItem('customCss') ?? '');
+		prefer.commit('neverShowDonationInfo', miLocalStorage.getItem('neverShowDonationInfo') != null);
+		prefer.commit('neverShowLocalOnlyInfo', miLocalStorage.getItem('neverShowLocalOnlyInfo') != null);
+		//#endregion
+
 	});
 }
diff --git a/packages/frontend/src/preferences/def.ts b/packages/frontend/src/preferences/def.ts
index fb795b1b7a..f430c4573c 100644
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@@ -10,11 +10,12 @@ import type { SoundType } from '@/utility/sound.js';
 import type { Plugin } from '@/plugin.js';
 import type { DeviceKind } from '@/utility/device-kind.js';
 import type { DeckProfile } from '@/deck.js';
-import type { PreferencesDefinition } from './manager.js';
+import type { Pref, PreferencesDefinition } from './manager.js';
 import type { FollowingFeedState } from '@/types/following-feed.js';
 import { DEFAULT_DEVICE_KIND } from '@/utility/device-kind.js';
 import { searchEngineMap } from '@/utility/search-engine-map.js';
 import { defaultFollowingFeedState } from '@/types/following-feed.js';
+import { miLocalStorage } from '@/local-storage';
 
 /** サウンド設定 */
 export type SoundStore = {
@@ -484,25 +485,77 @@ export const PREF_DEF = {
 	// Null means "fall back to existing value from localStorage"
 	// For all of these preferences, "null" means fall back to existing value in localStorage.
 	fontSize: {
-		default: null as null | '0' | '1' | '2' | '3',
-	},
+		default: '0',
+		needsReload: true,
+		onSet: fontSize => {
+			if (fontSize !== '0') {
+				miLocalStorage.setItem('fontSize', fontSize);
+			} else {
+				miLocalStorage.removeItem('fontSize');
+			}
+		},
+	} as Pref<'0' | '1' | '2' | '3'>,
 	useSystemFont: {
-		default: null as null | boolean,
-	},
+		default: false,
+		needsReload: true,
+		onSet: useSystemFont => {
+			if (useSystemFont) {
+				miLocalStorage.setItem('useSystemFont', 't');
+			} else {
+				miLocalStorage.removeItem('useSystemFont');
+			}
+		},
+	} as Pref<boolean>,
 	cornerRadius: {
-		default: null as null | 'misskey' | 'sharkey',
-	},
+		default: 'sharkey',
+		needsReload: true,
+		onSet: cornerRadius => {
+			if (cornerRadius === 'sharkey') {
+				miLocalStorage.removeItem('cornerRadius');
+			} else {
+				miLocalStorage.setItem('cornerRadius', cornerRadius);
+			}
+		},
+	} as Pref<'misskey' | 'sharkey'>,
 	lang: {
-		default: null as null | string,
-	},
+		default: 'en-US',
+		needsReload: true,
+		onSet: lang => {
+			miLocalStorage.setItem('lang', lang);
+			miLocalStorage.removeItem('locale');
+			miLocalStorage.removeItem('localeVersion');
+		},
+	} as Pref<string>,
 	customCss: {
-		default: null as null | string,
-	},
+		default: '',
+		needsReload: true,
+		onSet: customCss => {
+			if (customCss) {
+				miLocalStorage.setItem('customCss', customCss);
+			} else {
+				miLocalStorage.removeItem('customCss');
+			}
+		},
+	} as Pref<string>,
 	neverShowDonationInfo: {
-		default: null as null | 'true',
-	},
+		default: false,
+		onSet: neverShowDonationInfo => {
+			if (neverShowDonationInfo) {
+				miLocalStorage.setItem('neverShowDonationInfo', 'true');
+			} else {
+				miLocalStorage.removeItem('neverShowDonationInfo');
+			}
+		},
+	} as Pref<boolean>,
 	neverShowLocalOnlyInfo: {
-		default: null as null | 'true',
-	},
+		default: false,
+		onSet: neverShowLocalOnlyInfo => {
+			if (neverShowLocalOnlyInfo) {
+				miLocalStorage.setItem('neverShowLocalOnlyInfo', 'true');
+			} else {
+				miLocalStorage.removeItem('neverShowLocalOnlyInfo');
+			}
+		},
+	} as Pref<boolean>,
 	//#endregion
 } satisfies PreferencesDefinition;
diff --git a/packages/frontend/src/preferences/manager.ts b/packages/frontend/src/preferences/manager.ts
index f96aa2f368..b57a8d2b2a 100644
--- a/packages/frontend/src/preferences/manager.ts
+++ b/packages/frontend/src/preferences/manager.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { computed, onUnmounted, ref, watch } from 'vue';
+import { computed, nextTick, onUnmounted, ref, watch } from 'vue';
 import { v4 as uuid } from 'uuid';
 import { host, version } from '@@/js/config.js';
 import { PREF_DEF } from './def.js';
@@ -14,6 +14,7 @@ import { copyToClipboard } from '@/utility/copy-to-clipboard.js';
 import { i18n } from '@/i18n.js';
 import * as os from '@/os.js';
 import { deepEqual } from '@/utility/deep-equal.js';
+import { reloadAsk } from '@/utility/reload-ask';
 
 // NOTE: 明示的な設定値のひとつとして null もあり得るため、設定が存在しないかどうかを判定する目的で null で比較したり ?? を使ってはいけない
 
@@ -84,16 +85,29 @@ export type StorageProvider = {
 	cloudSet: <K extends keyof PREF>(ctx: { key: K; scope: Scope; value: ValueOf<K>; }) => Promise<void>;
 };
 
-export type PreferencesDefinition = Record<string, {
-	default: any;
+export type Pref<T> = {
+	default: T;
 	accountDependent?: boolean;
 	serverDependent?: boolean;
-}>;
+	needsReload?: boolean;
+	onSet?: (value: T) => void;
+};
+
+export type PreferencesDefinition = Record<string, Pref<any> | undefined>;
 
 export class PreferencesManager {
 	private storageProvider: StorageProvider;
 	public profile: PreferencesProfile;
 	public cloudReady: Promise<void>;
+	private enableReload = true;
+
+	public suppressReload() {
+		this.enableReload = false;
+	}
+
+	public allowReload() {
+		this.enableReload = true;
+	}
 
 	/**
 	 * static / state の略 (static が予約語のため)
@@ -126,11 +140,11 @@ export class PreferencesManager {
 	}
 
 	private isAccountDependentKey<K extends keyof PREF>(key: K): boolean {
-		return (PREF_DEF as PreferencesDefinition)[key].accountDependent === true;
+		return (PREF_DEF as PreferencesDefinition)[key]?.accountDependent === true;
 	}
 
 	private isServerDependentKey<K extends keyof PREF>(key: K): boolean {
-		return (PREF_DEF as PreferencesDefinition)[key].serverDependent === true;
+		return (PREF_DEF as PreferencesDefinition)[key]?.serverDependent === true;
 	}
 
 	private rewriteRawState<K extends keyof PREF>(key: K, value: ValueOf<K>) {
@@ -150,6 +164,20 @@ export class PreferencesManager {
 
 		this.rewriteRawState(key, v);
 
+		const pref = (PREF_DEF as PreferencesDefinition)[key];
+		if (pref) {
+			// Call custom setter
+			if (pref.onSet) {
+				pref.onSet(v);
+			}
+
+			// Prompt to reload the frontend
+			if (pref.needsReload && this.enableReload) {
+				// noinspection JSIgnoredPromiseFromCall
+				nextTick(() => reloadAsk({ unison: true }));
+			}
+		}
+
 		const record = this.getMatchedRecordOf(key);
 
 		if (parseScope(record[0]).account == null && this.isAccountDependentKey(key)) {