/* * Copyright (C) 2023-2024 Yomitan Authors * Copyright (C) 2016-2022 Yomichan Authors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ import {AccessibilityController} from '../accessibility/accessibility-controller.js'; import {AnkiConnect} from '../comm/anki-connect.js'; import {ClipboardMonitor} from '../comm/clipboard-monitor.js'; import {ClipboardReader} from '../comm/clipboard-reader.js'; import {Mecab} from '../comm/mecab.js'; import {createApiMap, invokeApiMapHandler} from '../core/api-map.js'; import {ExtensionError} from '../core/extension-error.js'; import {fetchJson, fetchText} from '../core/fetch-utilities.js'; import {log} from '../core/logger.js'; import {clone, deferPromise, isObject, promiseTimeout} from '../core/utilities.js'; import {isNoteDataValid} from '../data/anki-util.js'; import {OptionsUtil} from '../data/options-util.js'; import {getAllPermissions, hasPermissions, hasRequiredPermissionsForOptions} from '../data/permissions-util.js'; import {arrayBufferToBase64} from '../data/sandbox/array-buffer-util.js'; import {DictionaryDatabase} from '../dictionary/dictionary-database.js'; import {Environment} from '../extension/environment.js'; import {ObjectPropertyAccessor} from '../general/object-property-accessor.js'; import {distributeFuriganaInflected, isCodePointJapanese, isStringPartiallyJapanese, convertKatakanaToHiragana as jpConvertKatakanaToHiragana} from '../language/ja/japanese.js'; import {Translator} from '../language/translator.js'; import {AudioDownloader} from '../media/audio-downloader.js'; import {getFileExtensionFromAudioMediaType, getFileExtensionFromImageMediaType} from '../media/media-util.js'; import {ClipboardReaderProxy, DictionaryDatabaseProxy, OffscreenProxy, TranslatorProxy} from './offscreen-proxy.js'; import {createSchema, normalizeContext} from './profile-conditions-util.js'; import {RequestBuilder} from './request-builder.js'; import {injectStylesheet} from './script-manager.js'; /** * This class controls the core logic of the extension, including API calls * and various forms of communication between browser tabs and external applications. */ export class Backend { /** * @param {import('../extension/web-extension.js').WebExtension} webExtension */ constructor(webExtension) { /** @type {import('../extension/web-extension.js').WebExtension} */ this._webExtension = webExtension; /** @type {Environment} */ this._environment = new Environment(); /** @type {AnkiConnect} */ this._anki = new AnkiConnect(); /** @type {Mecab} */ this._mecab = new Mecab(); if (!chrome.offscreen) { /** @type {?OffscreenProxy} */ this._offscreen = null; /** @type {DictionaryDatabase|DictionaryDatabaseProxy} */ this._dictionaryDatabase = new DictionaryDatabase(); /** @type {Translator|TranslatorProxy} */ this._translator = new Translator({ database: this._dictionaryDatabase }); /** @type {ClipboardReader|ClipboardReaderProxy} */ this._clipboardReader = new ClipboardReader({ // eslint-disable-next-line no-undef document: (typeof document === 'object' && document !== null ? document : null), pasteTargetSelector: '#clipboard-paste-target', richContentPasteTargetSelector: '#clipboard-rich-content-paste-target' }); } else { /** @type {?OffscreenProxy} */ this._offscreen = new OffscreenProxy(webExtension); /** @type {DictionaryDatabase|DictionaryDatabaseProxy} */ this._dictionaryDatabase = new DictionaryDatabaseProxy(this._offscreen); /** @type {Translator|TranslatorProxy} */ this._translator = new TranslatorProxy(this._offscreen); /** @type {ClipboardReader|ClipboardReaderProxy} */ this._clipboardReader = new ClipboardReaderProxy(this._offscreen); } /** @type {ClipboardMonitor} */ this._clipboardMonitor = new ClipboardMonitor({ clipboardReader: this._clipboardReader }); /** @type {?import('settings').Options} */ this._options = null; /** @type {import('../data/json-schema.js').JsonSchema[]} */ this._profileConditionsSchemaCache = []; /** @type {?string} */ this._defaultAnkiFieldTemplates = null; /** @type {RequestBuilder} */ this._requestBuilder = new RequestBuilder(); /** @type {AudioDownloader} */ this._audioDownloader = new AudioDownloader({ requestBuilder: this._requestBuilder }); /** @type {OptionsUtil} */ this._optionsUtil = new OptionsUtil(); /** @type {AccessibilityController} */ this._accessibilityController = new AccessibilityController(); /** @type {?number} */ this._searchPopupTabId = null; /** @type {?Promise<{tab: chrome.tabs.Tab, created: boolean}>} */ this._searchPopupTabCreatePromise = null; /** @type {boolean} */ this._isPrepared = false; /** @type {boolean} */ this._prepareError = false; /** @type {?Promise} */ this._preparePromise = null; /** @type {import('core').DeferredPromiseDetails} */ const {promise, resolve, reject} = deferPromise(); /** @type {Promise} */ this._prepareCompletePromise = promise; /** @type {() => void} */ this._prepareCompleteResolve = resolve; /** @type {(reason?: unknown) => void} */ this._prepareCompleteReject = reject; /** @type {?string} */ this._defaultBrowserActionTitle = null; /** @type {?import('core').Timeout} */ this._badgePrepareDelayTimer = null; /** @type {?import('log').LogLevel} */ this._logErrorLevel = null; /** @type {?chrome.permissions.Permissions} */ this._permissions = null; /** @type {Map void)[]>} */ this._applicationReadyHandlers = new Map(); /* eslint-disable @stylistic/no-multi-spaces */ /** @type {import('api').ApiMap} */ this._apiMap = createApiMap([ ['applicationReady', this._onApiApplicationReady.bind(this)], ['requestBackendReadySignal', this._onApiRequestBackendReadySignal.bind(this)], ['optionsGet', this._onApiOptionsGet.bind(this)], ['optionsGetFull', this._onApiOptionsGetFull.bind(this)], ['kanjiFind', this._onApiKanjiFind.bind(this)], ['termsFind', this._onApiTermsFind.bind(this)], ['parseText', this._onApiParseText.bind(this)], ['getAnkiConnectVersion', this._onApiGetAnkiConnectVersion.bind(this)], ['isAnkiConnected', this._onApiIsAnkiConnected.bind(this)], ['addAnkiNote', this._onApiAddAnkiNote.bind(this)], ['getAnkiNoteInfo', this._onApiGetAnkiNoteInfo.bind(this)], ['injectAnkiNoteMedia', this._onApiInjectAnkiNoteMedia.bind(this)], ['noteView', this._onApiNoteView.bind(this)], ['suspendAnkiCardsForNote', this._onApiSuspendAnkiCardsForNote.bind(this)], ['commandExec', this._onApiCommandExec.bind(this)], ['getTermAudioInfoList', this._onApiGetTermAudioInfoList.bind(this)], ['sendMessageToFrame', this._onApiSendMessageToFrame.bind(this)], ['broadcastTab', this._onApiBroadcastTab.bind(this)], ['frameInformationGet', this._onApiFrameInformationGet.bind(this)], ['injectStylesheet', this._onApiInjectStylesheet.bind(this)], ['getStylesheetContent', this._onApiGetStylesheetContent.bind(this)], ['getEnvironmentInfo', this._onApiGetEnvironmentInfo.bind(this)], ['clipboardGet', this._onApiClipboardGet.bind(this)], ['getDisplayTemplatesHtml', this._onApiGetDisplayTemplatesHtml.bind(this)], ['getZoom', this._onApiGetZoom.bind(this)], ['getDefaultAnkiFieldTemplates', this._onApiGetDefaultAnkiFieldTemplates.bind(this)], ['getDictionaryInfo', this._onApiGetDictionaryInfo.bind(this)], ['purgeDatabase', this._onApiPurgeDatabase.bind(this)], ['getMedia', this._onApiGetMedia.bind(this)], ['log', this._onApiLog.bind(this)], ['logIndicatorClear', this._onApiLogIndicatorClear.bind(this)], ['modifySettings', this._onApiModifySettings.bind(this)], ['getSettings', this._onApiGetSettings.bind(this)], ['setAllSettings', this._onApiSetAllSettings.bind(this)], ['getOrCreateSearchPopup', this._onApiGetOrCreateSearchPopup.bind(this)], ['isTabSearchPopup', this._onApiIsTabSearchPopup.bind(this)], ['triggerDatabaseUpdated', this._onApiTriggerDatabaseUpdated.bind(this)], ['testMecab', this._onApiTestMecab.bind(this)], ['textHasJapaneseCharacters', this._onApiTextHasJapaneseCharacters.bind(this)], ['getTermFrequencies', this._onApiGetTermFrequencies.bind(this)], ['findAnkiNotes', this._onApiFindAnkiNotes.bind(this)], ['openCrossFramePort', this._onApiOpenCrossFramePort.bind(this)] ]); /* eslint-enable @stylistic/no-multi-spaces */ /** @type {Map void>} */ this._commandHandlers = new Map(/** @type {[name: string, handler: (params?: import('core').SerializableObject) => void][]} */ ([ ['toggleTextScanning', this._onCommandToggleTextScanning.bind(this)], ['openInfoPage', this._onCommandOpenInfoPage.bind(this)], ['openSettingsPage', this._onCommandOpenSettingsPage.bind(this)], ['openSearchPage', this._onCommandOpenSearchPage.bind(this)], ['openPopupWindow', this._onCommandOpenPopupWindow.bind(this)] ])); } /** * Initializes the instance. * @returns {Promise} A promise which is resolved when initialization completes. */ prepare() { if (this._preparePromise === null) { const promise = this._prepareInternal(); promise.then( () => { this._isPrepared = true; this._prepareCompleteResolve(); }, (error) => { this._prepareError = true; this._prepareCompleteReject(error); } ); promise.finally(() => this._updateBadge()); this._preparePromise = promise; } return this._prepareCompletePromise; } // Private /** * @returns {void} */ _prepareInternalSync() { if (isObject(chrome.commands) && isObject(chrome.commands.onCommand)) { const onCommand = this._onWebExtensionEventWrapper(this._onCommand.bind(this)); chrome.commands.onCommand.addListener(onCommand); } if (isObject(chrome.tabs) && isObject(chrome.tabs.onZoomChange)) { const onZoomChange = this._onWebExtensionEventWrapper(this._onZoomChange.bind(this)); chrome.tabs.onZoomChange.addListener(onZoomChange); } const onMessage = this._onMessageWrapper.bind(this); chrome.runtime.onMessage.addListener(onMessage); if (this._canObservePermissionsChanges()) { const onPermissionsChanged = this._onWebExtensionEventWrapper(this._onPermissionsChanged.bind(this)); chrome.permissions.onAdded.addListener(onPermissionsChanged); chrome.permissions.onRemoved.addListener(onPermissionsChanged); } chrome.runtime.onInstalled.addListener(this._onInstalled.bind(this)); } /** * @returns {Promise} */ async _prepareInternal() { try { this._prepareInternalSync(); this._permissions = await getAllPermissions(); this._defaultBrowserActionTitle = await this._getBrowserIconTitle(); this._badgePrepareDelayTimer = setTimeout(() => { this._badgePrepareDelayTimer = null; this._updateBadge(); }, 1000); this._updateBadge(); log.on('log', this._onLog.bind(this)); await this._requestBuilder.prepare(); await this._environment.prepare(); if (this._offscreen !== null) { await this._offscreen.prepare(); } this._clipboardReader.browser = this._environment.getInfo().browser; try { await this._dictionaryDatabase.prepare(); } catch (e) { log.error(e); } /** @type {import('language-transformer').LanguageTransformDescriptor} */ const descriptor = await fetchJson('/data/language/japanese-transforms.json'); this._translator.prepare(descriptor); await this._optionsUtil.prepare(); this._defaultAnkiFieldTemplates = (await fetchText('/data/templates/default-anki-field-templates.handlebars')).trim(); this._options = await this._optionsUtil.load(); this._applyOptions('background'); const options = this._getProfileOptions({current: true}, false); if (options.general.showGuide) { this._openWelcomeGuidePageOnce(); } this._clipboardMonitor.on('change', this._onClipboardTextChange.bind(this)); this._sendMessageAllTabsIgnoreResponse({action: 'applicationBackendReady'}); this._sendMessageIgnoreResponse({action: 'applicationBackendReady'}); } catch (e) { log.error(e); throw e; } finally { if (this._badgePrepareDelayTimer !== null) { clearTimeout(this._badgePrepareDelayTimer); this._badgePrepareDelayTimer = null; } } } // Event handlers /** * @param {import('clipboard-monitor').EventArgument<'change'>} details */ async _onClipboardTextChange({text}) { const {clipboard: {maximumSearchLength}} = this._getProfileOptions({current: true}, false); if (text.length > maximumSearchLength) { text = text.substring(0, maximumSearchLength); } try { const {tab, created} = await this._getOrCreateSearchPopupWrapper(); const {id} = tab; if (typeof id !== 'number') { throw new Error('Tab does not have an id'); } await this._focusTab(tab); await this._updateSearchQuery(id, text, !created); } catch (e) { // NOP } } /** * @param {{level: import('log').LogLevel}} params */ _onLog({level}) { const levelValue = log.getLogErrorLevelValue(level); const currentLogErrorLevel = this._logErrorLevel !== null ? log.getLogErrorLevelValue(this._logErrorLevel) : 0; if (levelValue <= currentLogErrorLevel) { return; } this._logErrorLevel = level; this._updateBadge(); } // WebExtension event handlers (with prepared checks) /** * @template {(...args: import('core').SafeAny[]) => void} T * @param {T} handler * @returns {T} */ _onWebExtensionEventWrapper(handler) { return /** @type {T} */ ((...args) => { if (this._isPrepared) { handler(...args); return; } this._prepareCompletePromise.then( () => { handler(...args); }, () => {} // NOP ); }); } /** @type {import('extension').ChromeRuntimeOnMessageCallback} */ _onMessageWrapper(message, sender, sendResponse) { if (this._isPrepared) { return this._onMessage(message, sender, sendResponse); } this._prepareCompletePromise.then( () => { this._onMessage(message, sender, sendResponse); }, () => { sendResponse(); } ); return true; } // WebExtension event handlers /** * @param {string} command */ _onCommand(command) { this._runCommand(command, void 0); } /** * @param {import('api').ApiMessageAny} message * @param {chrome.runtime.MessageSender} sender * @param {(response?: unknown) => void} callback * @returns {boolean} */ _onMessage({action, params}, sender, callback) { return invokeApiMapHandler(this._apiMap, action, params, [sender], callback); } /** * @param {chrome.tabs.ZoomChangeInfo} event */ _onZoomChange({tabId, oldZoomFactor, newZoomFactor}) { this._sendMessageTabIgnoreResponse(tabId, {action: 'applicationZoomChanged', params: {oldZoomFactor, newZoomFactor}}, {}); } /** * @returns {void} */ _onPermissionsChanged() { this._checkPermissions(); } /** * @param {chrome.runtime.InstalledDetails} event */ _onInstalled({reason}) { if (reason !== 'install') { return; } this._requestPersistentStorage(); } // Message handlers /** @type {import('api').ApiHandler<'applicationReady'>} */ _onApiApplicationReady(_params, sender) { const {tab, frameId} = sender; if (!tab || typeof frameId !== 'number') { return; } const {id} = tab; if (typeof id !== 'number') { return; } const key = `${id}:${frameId}`; const handlers = this._applicationReadyHandlers.get(key); if (typeof handlers === 'undefined') { return; } for (const handler of handlers) { handler(); } this._applicationReadyHandlers.delete(key); } /** @type {import('api').ApiHandler<'requestBackendReadySignal'>} */ _onApiRequestBackendReadySignal(_params, sender) { // tab ID isn't set in background (e.g. browser_action) /** @type {import('application').ApiMessage<'applicationBackendReady'>} */ const data = {action: 'applicationBackendReady'}; if (typeof sender.tab === 'undefined') { this._sendMessageIgnoreResponse(data); return false; } else { const {id} = sender.tab; if (typeof id === 'number') { this._sendMessageTabIgnoreResponse(id, data, {}); } return true; } } /** @type {import('api').ApiHandler<'optionsGet'>} */ _onApiOptionsGet({optionsContext}) { return this._getProfileOptions(optionsContext, false); } /** @type {import('api').ApiHandler<'optionsGetFull'>} */ _onApiOptionsGetFull() { return this._getOptionsFull(false); } /** @type {import('api').ApiHandler<'kanjiFind'>} */ async _onApiKanjiFind({text, optionsContext}) { const options = this._getProfileOptions(optionsContext, false); const {general: {maxResults}} = options; const findKanjiOptions = this._getTranslatorFindKanjiOptions(options); const dictionaryEntries = await this._translator.findKanji(text, findKanjiOptions); dictionaryEntries.splice(maxResults); return dictionaryEntries; } /** @type {import('api').ApiHandler<'termsFind'>} */ async _onApiTermsFind({text, details, optionsContext}) { const options = this._getProfileOptions(optionsContext, false); const {general: {resultOutputMode: mode, maxResults}} = options; const findTermsOptions = this._getTranslatorFindTermsOptions(mode, details, options); const {dictionaryEntries, originalTextLength} = await this._translator.findTerms(mode, text, findTermsOptions); dictionaryEntries.splice(maxResults); return {dictionaryEntries, originalTextLength}; } /** @type {import('api').ApiHandler<'parseText'>} */ async _onApiParseText({text, optionsContext, scanLength, useInternalParser, useMecabParser}) { const [internalResults, mecabResults] = await Promise.all([ (useInternalParser ? this._textParseScanning(text, scanLength, optionsContext) : null), (useMecabParser ? this._textParseMecab(text) : null) ]); /** @type {import('api').ParseTextResultItem[]} */ const results = []; if (internalResults !== null) { results.push({ id: 'scan', source: 'scanning-parser', dictionary: null, content: internalResults }); } if (mecabResults !== null) { for (const [dictionary, content] of mecabResults) { results.push({ id: `mecab-${dictionary}`, source: 'mecab', dictionary, content }); } } return results; } /** @type {import('api').ApiHandler<'getAnkiConnectVersion'>} */ async _onApiGetAnkiConnectVersion() { return await this._anki.getVersion(); } /** @type {import('api').ApiHandler<'isAnkiConnected'>} */ async _onApiIsAnkiConnected() { return await this._anki.isConnected(); } /** @type {import('api').ApiHandler<'addAnkiNote'>} */ async _onApiAddAnkiNote({note}) { return await this._anki.addNote(note); } /** @type {import('api').ApiHandler<'getAnkiNoteInfo'>} */ async _onApiGetAnkiNoteInfo({notes, fetchAdditionalInfo}) { /** @type {import('anki').NoteInfoWrapper[]} */ const results = []; /** @type {{note: import('anki').Note, info: import('anki').NoteInfoWrapper}[]} */ const cannotAdd = []; const canAddArray = await this._anki.canAddNotes(notes); for (let i = 0; i < notes.length; ++i) { const note = notes[i]; let canAdd = canAddArray[i]; const valid = isNoteDataValid(note); if (!valid) { canAdd = false; } const info = {canAdd, valid, noteIds: null}; results.push(info); if (!canAdd && valid) { cannotAdd.push({note, info}); } } if (cannotAdd.length > 0) { const cannotAddNotes = cannotAdd.map(({note}) => note); const noteIdsArray = await this._anki.findNoteIds(cannotAddNotes); for (let i = 0, ii = Math.min(cannotAdd.length, noteIdsArray.length); i < ii; ++i) { const noteIds = noteIdsArray[i]; if (noteIds.length > 0) { cannotAdd[i].info.noteIds = noteIds; if (fetchAdditionalInfo) { cannotAdd[i].info.noteInfos = await this._anki.notesInfo(noteIds); } } } } return results; } /** @type {import('api').ApiHandler<'injectAnkiNoteMedia'>} */ async _onApiInjectAnkiNoteMedia({timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails, dictionaryMediaDetails}) { return await this._injectAnkNoteMedia( this._anki, timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails, dictionaryMediaDetails ); } /** @type {import('api').ApiHandler<'noteView'>} */ async _onApiNoteView({noteId, mode, allowFallback}) { if (mode === 'edit') { try { await this._anki.guiEditNote(noteId); return 'edit'; } catch (e) { if (!(e instanceof Error && this._anki.isErrorUnsupportedAction(e))) { throw e; } else if (!allowFallback) { throw new Error('Mode not supported'); } } } // Fallback await this._anki.guiBrowseNote(noteId); return 'browse'; } /** @type {import('api').ApiHandler<'suspendAnkiCardsForNote'>} */ async _onApiSuspendAnkiCardsForNote({noteId}) { const cardIds = await this._anki.findCardsForNote(noteId); const count = cardIds.length; if (count > 0) { const okay = await this._anki.suspendCards(cardIds); if (!okay) { return 0; } } return count; } /** @type {import('api').ApiHandler<'commandExec'>} */ _onApiCommandExec({command, params}) { return this._runCommand(command, params); } /** @type {import('api').ApiHandler<'getTermAudioInfoList'>} */ async _onApiGetTermAudioInfoList({source, term, reading}) { return await this._audioDownloader.getTermAudioInfoList(source, term, reading); } /** @type {import('api').ApiHandler<'sendMessageToFrame'>} */ _onApiSendMessageToFrame({frameId: targetFrameId, message}, sender) { if (!sender) { return false; } const {tab} = sender; if (!tab) { return false; } const {id} = tab; if (typeof id !== 'number') { return false; } const {frameId} = sender; /** @type {import('application').ApiMessageAny} */ const message2 = {...message, frameId}; this._sendMessageTabIgnoreResponse(id, message2, {frameId: targetFrameId}); return true; } /** @type {import('api').ApiHandler<'broadcastTab'>} */ _onApiBroadcastTab({message}, sender) { if (!sender) { return false; } const {tab} = sender; if (!tab) { return false; } const {id} = tab; if (typeof id !== 'number') { return false; } const {frameId} = sender; /** @type {import('application').ApiMessageAny} */ const message2 = {...message, frameId}; this._sendMessageTabIgnoreResponse(id, message2, {}); return true; } /** @type {import('api').ApiHandler<'frameInformationGet'>} */ _onApiFrameInformationGet(_params, sender) { const tab = sender.tab; const tabId = tab ? tab.id : void 0; const frameId = sender.frameId; return Promise.resolve({tabId, frameId}); } /** @type {import('api').ApiHandler<'injectStylesheet'>} */ async _onApiInjectStylesheet({type, value}, sender) { const {frameId, tab} = sender; if (typeof tab !== 'object' || tab === null || typeof tab.id !== 'number') { throw new Error('Invalid tab'); } return await injectStylesheet(type, value, tab.id, frameId, false); } /** @type {import('api').ApiHandler<'getStylesheetContent'>} */ async _onApiGetStylesheetContent({url}) { if (!url.startsWith('/') || url.startsWith('//') || !url.endsWith('.css')) { throw new Error('Invalid URL'); } return await fetchText(url); } /** @type {import('api').ApiHandler<'getEnvironmentInfo'>} */ _onApiGetEnvironmentInfo() { return this._environment.getInfo(); } /** @type {import('api').ApiHandler<'clipboardGet'>} */ async _onApiClipboardGet() { return this._clipboardReader.getText(false); } /** @type {import('api').ApiHandler<'getDisplayTemplatesHtml'>} */ async _onApiGetDisplayTemplatesHtml() { return await fetchText('/display-templates.html'); } /** @type {import('api').ApiHandler<'getZoom'>} */ _onApiGetZoom(_params, sender) { return new Promise((resolve, reject) => { if (!sender || !sender.tab) { reject(new Error('Invalid tab')); return; } const tabId = sender.tab.id; if (!( typeof tabId === 'number' && chrome.tabs !== null && typeof chrome.tabs === 'object' && typeof chrome.tabs.getZoom === 'function' )) { // Not supported resolve({zoomFactor: 1.0}); return; } chrome.tabs.getZoom(tabId, (zoomFactor) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve({zoomFactor}); } }); }); } /** @type {import('api').ApiHandler<'getDefaultAnkiFieldTemplates'>} */ _onApiGetDefaultAnkiFieldTemplates() { return /** @type {string} */ (this._defaultAnkiFieldTemplates); } /** @type {import('api').ApiHandler<'getDictionaryInfo'>} */ async _onApiGetDictionaryInfo() { return await this._dictionaryDatabase.getDictionaryInfo(); } /** @type {import('api').ApiHandler<'purgeDatabase'>} */ async _onApiPurgeDatabase() { await this._dictionaryDatabase.purge(); this._triggerDatabaseUpdated('dictionary', 'purge'); } /** @type {import('api').ApiHandler<'getMedia'>} */ async _onApiGetMedia({targets}) { return await this._getNormalizedDictionaryDatabaseMedia(targets); } /** @type {import('api').ApiHandler<'log'>} */ _onApiLog({error, level, context}) { log.log(ExtensionError.deserialize(error), level, context); } /** @type {import('api').ApiHandler<'logIndicatorClear'>} */ _onApiLogIndicatorClear() { if (this._logErrorLevel === null) { return; } this._logErrorLevel = null; this._updateBadge(); } /** @type {import('api').ApiHandler<'modifySettings'>} */ _onApiModifySettings({targets, source}) { return this._modifySettings(targets, source); } /** @type {import('api').ApiHandler<'getSettings'>} */ _onApiGetSettings({targets}) { const results = []; for (const target of targets) { try { const result = this._getSetting(target); results.push({result: clone(result)}); } catch (e) { results.push({error: ExtensionError.serialize(e)}); } } return results; } /** @type {import('api').ApiHandler<'setAllSettings'>} */ async _onApiSetAllSettings({value, source}) { this._optionsUtil.validate(value); this._options = clone(value); await this._saveOptions(source); } /** @type {import('api').ApiHandlerNoExtraArgs<'getOrCreateSearchPopup'>} */ async _onApiGetOrCreateSearchPopup({focus = false, text}) { const {tab, created} = await this._getOrCreateSearchPopupWrapper(); if (focus === true || (focus === 'ifCreated' && created)) { await this._focusTab(tab); } if (typeof text === 'string') { const {id} = tab; if (typeof id === 'number') { await this._updateSearchQuery(id, text, !created); } } const {id} = tab; return {tabId: typeof id === 'number' ? id : null, windowId: tab.windowId}; } /** @type {import('api').ApiHandler<'isTabSearchPopup'>} */ async _onApiIsTabSearchPopup({tabId}) { const baseUrl = chrome.runtime.getURL('/search.html'); const tab = typeof tabId === 'number' ? await this._checkTabUrl(tabId, (url) => url !== null && url.startsWith(baseUrl)) : null; return (tab !== null); } /** @type {import('api').ApiHandler<'triggerDatabaseUpdated'>} */ _onApiTriggerDatabaseUpdated({type, cause}) { this._triggerDatabaseUpdated(type, cause); } /** @type {import('api').ApiHandler<'testMecab'>} */ async _onApiTestMecab() { if (!this._mecab.isEnabled()) { throw new Error('MeCab not enabled'); } let permissionsOkay = false; try { permissionsOkay = await hasPermissions({permissions: ['nativeMessaging']}); } catch (e) { // NOP } if (!permissionsOkay) { throw new Error('Insufficient permissions'); } const disconnect = !this._mecab.isConnected(); try { const version = await this._mecab.getVersion(); if (version === null) { throw new Error('Could not connect to native MeCab component'); } const localVersion = this._mecab.getLocalVersion(); if (version !== localVersion) { throw new Error(`MeCab component version not supported: ${version}`); } } finally { // Disconnect if the connection was previously disconnected if (disconnect && this._mecab.isEnabled() && this._mecab.isActive()) { this._mecab.disconnect(); } } return true; } /** @type {import('api').ApiHandler<'textHasJapaneseCharacters'>} */ _onApiTextHasJapaneseCharacters({text}) { return isStringPartiallyJapanese(text); } /** @type {import('api').ApiHandler<'getTermFrequencies'>} */ async _onApiGetTermFrequencies({termReadingList, dictionaries}) { return await this._translator.getTermFrequencies(termReadingList, dictionaries); } /** @type {import('api').ApiHandler<'findAnkiNotes'>} */ async _onApiFindAnkiNotes({query}) { return await this._anki.findNotes(query); } /** @type {import('api').ApiHandler<'openCrossFramePort'>} */ _onApiOpenCrossFramePort({targetTabId, targetFrameId}, sender) { const sourceTabId = (sender && sender.tab ? sender.tab.id : null); if (typeof sourceTabId !== 'number') { throw new Error('Port does not have an associated tab ID'); } const sourceFrameId = sender.frameId; if (typeof sourceFrameId !== 'number') { throw new Error('Port does not have an associated frame ID'); } /** @type {import('cross-frame-api').CrossFrameCommunicationPortDetails} */ const sourceDetails = { name: 'cross-frame-communication-port', otherTabId: targetTabId, otherFrameId: targetFrameId }; /** @type {import('cross-frame-api').CrossFrameCommunicationPortDetails} */ const targetDetails = { name: 'cross-frame-communication-port', otherTabId: sourceTabId, otherFrameId: sourceFrameId }; /** @type {?chrome.runtime.Port} */ let sourcePort = chrome.tabs.connect(sourceTabId, {frameId: sourceFrameId, name: JSON.stringify(sourceDetails)}); /** @type {?chrome.runtime.Port} */ let targetPort = chrome.tabs.connect(targetTabId, {frameId: targetFrameId, name: JSON.stringify(targetDetails)}); const cleanup = () => { this._checkLastError(chrome.runtime.lastError); if (targetPort !== null) { targetPort.disconnect(); targetPort = null; } if (sourcePort !== null) { sourcePort.disconnect(); sourcePort = null; } }; sourcePort.onMessage.addListener((message) => { if (targetPort !== null) { targetPort.postMessage(message); } }); targetPort.onMessage.addListener((message) => { if (sourcePort !== null) { sourcePort.postMessage(message); } }); sourcePort.onDisconnect.addListener(cleanup); targetPort.onDisconnect.addListener(cleanup); return {targetTabId, targetFrameId}; } // Command handlers /** * @param {undefined|{mode: 'existingOrNewTab'|'newTab', query?: string}} params */ async _onCommandOpenSearchPage(params) { /** @type {'existingOrNewTab'|'newTab'} */ let mode = 'existingOrNewTab'; let query = ''; if (typeof params === 'object' && params !== null) { mode = this._normalizeOpenSettingsPageMode(params.mode, mode); const paramsQuery = params.query; if (typeof paramsQuery === 'string') { query = paramsQuery; } } const baseUrl = chrome.runtime.getURL('/search.html'); /** @type {{[key: string]: string}} */ const queryParams = {}; if (query.length > 0) { queryParams.query = query; } const queryString = new URLSearchParams(queryParams).toString(); let queryUrl = baseUrl; if (queryString.length > 0) { queryUrl += `?${queryString}`; } /** @type {import('backend').FindTabsPredicate} */ const predicate = ({url}) => { if (url === null || !url.startsWith(baseUrl)) { return false; } const parsedUrl = new URL(url); const parsedBaseUrl = `${parsedUrl.origin}${parsedUrl.pathname}`; const parsedMode = parsedUrl.searchParams.get('mode'); return parsedBaseUrl === baseUrl && (parsedMode === mode || (!parsedMode && mode === 'existingOrNewTab')); }; const openInTab = async () => { const tabInfo = /** @type {?import('backend').TabInfo} */ (await this._findTabs(1000, false, predicate, false)); if (tabInfo !== null) { const {tab} = tabInfo; const {id} = tab; if (typeof id === 'number') { await this._focusTab(tab); if (queryParams.query) { await this._updateSearchQuery(id, queryParams.query, true); } return true; } } return false; }; switch (mode) { case 'existingOrNewTab': try { if (await openInTab()) { return; } } catch (e) { // NOP } await this._createTab(queryUrl); return; case 'newTab': await this._createTab(queryUrl); return; } } /** * @returns {Promise} */ async _onCommandOpenInfoPage() { await this._openInfoPage(); } /** * @param {undefined|{mode: 'existingOrNewTab'|'newTab'}} params */ async _onCommandOpenSettingsPage(params) { /** @type {'existingOrNewTab'|'newTab'} */ let mode = 'existingOrNewTab'; if (typeof params === 'object' && params !== null) { mode = this._normalizeOpenSettingsPageMode(params.mode, mode); } await this._openSettingsPage(mode); } /** * @returns {Promise} */ async _onCommandToggleTextScanning() { const options = this._getProfileOptions({current: true}, false); /** @type {import('settings-modifications').ScopedModificationSet} */ const modification = { action: 'set', path: 'general.enable', value: !options.general.enable, scope: 'profile', optionsContext: {current: true} }; await this._modifySettings([modification], 'backend'); } /** * @returns {Promise} */ async _onCommandOpenPopupWindow() { await this._onApiGetOrCreateSearchPopup({focus: true}); } // Utilities /** * @param {import('settings-modifications').ScopedModification[]} targets * @param {string} source * @returns {Promise[]>} */ async _modifySettings(targets, source) { /** @type {import('core').Response[]} */ const results = []; for (const target of targets) { try { const result = this._modifySetting(target); results.push({result: clone(result)}); } catch (e) { results.push({error: ExtensionError.serialize(e)}); } } await this._saveOptions(source); return results; } /** * @returns {Promise<{tab: chrome.tabs.Tab, created: boolean}>} */ _getOrCreateSearchPopupWrapper() { if (this._searchPopupTabCreatePromise === null) { const promise = this._getOrCreateSearchPopup(); this._searchPopupTabCreatePromise = promise; promise.then(() => { this._searchPopupTabCreatePromise = null; }); } return this._searchPopupTabCreatePromise; } /** * @returns {Promise<{tab: chrome.tabs.Tab, created: boolean}>} */ async _getOrCreateSearchPopup() { // Use existing tab const baseUrl = chrome.runtime.getURL('/search.html'); /** * @param {?string} url * @returns {boolean} */ const urlPredicate = (url) => url !== null && url.startsWith(baseUrl); if (this._searchPopupTabId !== null) { const tab = await this._checkTabUrl(this._searchPopupTabId, urlPredicate); if (tab !== null) { return {tab, created: false}; } this._searchPopupTabId = null; } // Find existing tab const existingTabInfo = await this._findSearchPopupTab(urlPredicate); if (existingTabInfo !== null) { const existingTab = existingTabInfo.tab; const {id} = existingTab; if (typeof id === 'number') { this._searchPopupTabId = id; return {tab: existingTab, created: false}; } } // chrome.windows not supported (e.g. on Firefox mobile) if (!isObject(chrome.windows)) { throw new Error('Window creation not supported'); } // Create a new window const options = this._getProfileOptions({current: true}, false); const createData = this._getSearchPopupWindowCreateData(baseUrl, options); const {popupWindow: {windowState}} = options; const popupWindow = await this._createWindow(createData); if (windowState !== 'normal' && typeof popupWindow.id === 'number') { await this._updateWindow(popupWindow.id, {state: windowState}); } const {tabs} = popupWindow; if (!Array.isArray(tabs) || tabs.length === 0) { throw new Error('Created window did not contain a tab'); } const tab = tabs[0]; const {id} = tab; if (typeof id !== 'number') { throw new Error('Tab does not have an id'); } await this._waitUntilTabFrameIsReady(id, 0, 2000); await this._sendMessageTabPromise( id, {action: 'searchDisplayControllerSetMode', params: {mode: 'popup'}}, {frameId: 0} ); this._searchPopupTabId = id; return {tab, created: true}; } /** * @param {(url: ?string) => boolean} urlPredicate * @returns {Promise} */ async _findSearchPopupTab(urlPredicate) { /** @type {import('backend').FindTabsPredicate} */ const predicate = async ({url, tab}) => { const {id} = tab; if (typeof id === 'undefined' || !urlPredicate(url)) { return false; } try { const mode = await this._sendMessageTabPromise( id, {action: 'searchDisplayControllerGetMode'}, {frameId: 0} ); return mode === 'popup'; } catch (e) { return false; } }; return /** @type {?import('backend').TabInfo} */ (await this._findTabs(1000, false, predicate, true)); } /** * @param {string} url * @param {import('settings').ProfileOptions} options * @returns {chrome.windows.CreateData} */ _getSearchPopupWindowCreateData(url, options) { const {popupWindow: {width, height, left, top, useLeft, useTop, windowType}} = options; return { url, width, height, left: useLeft ? left : void 0, top: useTop ? top : void 0, type: windowType, state: 'normal' }; } /** * @param {chrome.windows.CreateData} createData * @returns {Promise} */ _createWindow(createData) { return new Promise((resolve, reject) => { chrome.windows.create( createData, (result) => { const error = chrome.runtime.lastError; if (error) { reject(new Error(error.message)); } else { resolve(/** @type {chrome.windows.Window} */ (result)); } } ); }); } /** * @param {number} windowId * @param {chrome.windows.UpdateInfo} updateInfo * @returns {Promise} */ _updateWindow(windowId, updateInfo) { return new Promise((resolve, reject) => { chrome.windows.update( windowId, updateInfo, (result) => { const error = chrome.runtime.lastError; if (error) { reject(new Error(error.message)); } else { resolve(result); } } ); }); } /** * @param {number} tabId * @param {string} text * @param {boolean} animate * @returns {Promise} */ async _updateSearchQuery(tabId, text, animate) { await this._sendMessageTabPromise( tabId, {action: 'searchDisplayControllerUpdateSearchQuery', params: {text, animate}}, {frameId: 0} ); } /** * @param {string} source */ _applyOptions(source) { const options = this._getProfileOptions({current: true}, false); this._updateBadge(); const enabled = options.general.enable; /** @type {?string} */ let apiKey = options.anki.apiKey; if (apiKey === '') { apiKey = null; } this._anki.server = options.anki.server; this._anki.enabled = options.anki.enable && enabled; this._anki.apiKey = apiKey; this._mecab.setEnabled(options.parsing.enableMecabParser && enabled); if (options.clipboard.enableBackgroundMonitor && enabled) { this._clipboardMonitor.start(); } else { this._clipboardMonitor.stop(); } this._accessibilityController.update(this._getOptionsFull(false)); this._sendMessageAllTabsIgnoreResponse({action: 'applicationOptionsUpdated', params: {source}}); } /** * @param {boolean} useSchema * @returns {import('settings').Options} * @throws {Error} */ _getOptionsFull(useSchema) { const options = this._options; if (options === null) { throw new Error('Options is null'); } return useSchema ? /** @type {import('settings').Options} */ (this._optionsUtil.createValidatingProxy(options)) : options; } /** * @param {import('settings').OptionsContext} optionsContext * @param {boolean} useSchema * @returns {import('settings').ProfileOptions} */ _getProfileOptions(optionsContext, useSchema) { return this._getProfile(optionsContext, useSchema).options; } /** * @param {import('settings').OptionsContext} optionsContext * @param {boolean} useSchema * @returns {import('settings').Profile} * @throws {Error} */ _getProfile(optionsContext, useSchema) { const options = this._getOptionsFull(useSchema); const profiles = options.profiles; if (!optionsContext.current) { // Specific index const {index} = optionsContext; if (typeof index === 'number') { if (index < 0 || index >= profiles.length) { throw this._createDataError(`Invalid profile index: ${index}`, optionsContext); } return profiles[index]; } // From context const profile = this._getProfileFromContext(options, optionsContext); if (profile !== null) { return profile; } } // Default const {profileCurrent} = options; if (profileCurrent < 0 || profileCurrent >= profiles.length) { throw this._createDataError(`Invalid current profile index: ${profileCurrent}`, optionsContext); } return profiles[profileCurrent]; } /** * @param {import('settings').Options} options * @param {import('settings').OptionsContext} optionsContext * @returns {?import('settings').Profile} */ _getProfileFromContext(options, optionsContext) { const normalizedOptionsContext = normalizeContext(optionsContext); let index = 0; for (const profile of options.profiles) { const conditionGroups = profile.conditionGroups; let schema; if (index < this._profileConditionsSchemaCache.length) { schema = this._profileConditionsSchemaCache[index]; } else { schema = createSchema(conditionGroups); this._profileConditionsSchemaCache.push(schema); } if (conditionGroups.length > 0 && schema.isValid(normalizedOptionsContext)) { return profile; } ++index; } return null; } /** * @param {string} message * @param {unknown} data * @returns {ExtensionError} */ _createDataError(message, data) { const error = new ExtensionError(message); error.data = data; return error; } /** * @returns {void} */ _clearProfileConditionsSchemaCache() { this._profileConditionsSchemaCache = []; } /** * @param {unknown} _ignore */ _checkLastError(_ignore) { // NOP } /** * @param {string} command * @param {import('core').SerializableObject|undefined} params * @returns {boolean} */ _runCommand(command, params) { const handler = this._commandHandlers.get(command); if (typeof handler !== 'function') { return false; } handler(params); return true; } /** * @param {string} text * @param {number} scanLength * @param {import('settings').OptionsContext} optionsContext * @returns {Promise} */ async _textParseScanning(text, scanLength, optionsContext) { /** @type {import('translator').FindTermsMode} */ const mode = 'simple'; const options = this._getProfileOptions(optionsContext, false); const details = {matchType: /** @type {import('translation').FindTermsMatchType} */ ('exact'), deinflect: true}; const findTermsOptions = this._getTranslatorFindTermsOptions(mode, details, options); /** @type {import('api').ParseTextLine[]} */ const results = []; let previousUngroupedSegment = null; let i = 0; const ii = text.length; while (i < ii) { const {dictionaryEntries, originalTextLength} = await this._translator.findTerms( mode, text.substring(i, i + scanLength), findTermsOptions ); const codePoint = /** @type {number} */ (text.codePointAt(i)); const character = String.fromCodePoint(codePoint); if ( dictionaryEntries.length > 0 && originalTextLength > 0 && (originalTextLength !== character.length || isCodePointJapanese(codePoint)) ) { previousUngroupedSegment = null; const {headwords: [{term, reading}]} = dictionaryEntries[0]; const source = text.substring(i, i + originalTextLength); const textSegments = []; for (const {text: text2, reading: reading2} of distributeFuriganaInflected(term, reading, source)) { textSegments.push({text: text2, reading: reading2}); } results.push(textSegments); i += originalTextLength; } else { if (previousUngroupedSegment === null) { previousUngroupedSegment = {text: character, reading: ''}; results.push([previousUngroupedSegment]); } else { previousUngroupedSegment.text += character; } i += character.length; } } return results; } /** * @param {string} text * @returns {Promise} */ async _textParseMecab(text) { let parseTextResults; try { parseTextResults = await this._mecab.parseText(text); } catch (e) { return []; } /** @type {import('backend').MecabParseResults} */ const results = []; for (const {name, lines} of parseTextResults) { /** @type {import('api').ParseTextLine[]} */ const result = []; for (const line of lines) { for (const {term, reading, source} of line) { const termParts = []; for (const {text: text2, reading: reading2} of distributeFuriganaInflected( term.length > 0 ? term : source, jpConvertKatakanaToHiragana(reading), source )) { termParts.push({text: text2, reading: reading2}); } result.push(termParts); } result.push([{text: '\n', reading: ''}]); } results.push([name, result]); } return results; } /** * @param {import('settings-modifications').OptionsScope} target * @returns {import('settings').Options|import('settings').ProfileOptions} * @throws {Error} */ _getModifySettingObject(target) { const scope = target.scope; switch (scope) { case 'profile': { const {optionsContext} = target; if (typeof optionsContext !== 'object' || optionsContext === null) { throw new Error('Invalid optionsContext'); } return /** @type {import('settings').ProfileOptions} */ (this._getProfileOptions(optionsContext, true)); } case 'global': return /** @type {import('settings').Options} */ (this._getOptionsFull(true)); default: throw new Error(`Invalid scope: ${scope}`); } } /** * @param {import('settings-modifications').OptionsScope&import('settings-modifications').Read} target * @returns {unknown} * @throws {Error} */ _getSetting(target) { const options = this._getModifySettingObject(target); const accessor = new ObjectPropertyAccessor(options); const {path} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } return accessor.get(ObjectPropertyAccessor.getPathArray(path)); } /** * @param {import('settings-modifications').ScopedModification} target * @returns {import('settings-modifications').ModificationResult} * @throws {Error} */ _modifySetting(target) { const options = this._getModifySettingObject(target); const accessor = new ObjectPropertyAccessor(options); const action = target.action; switch (action) { case 'set': { const {path, value} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } const pathArray = ObjectPropertyAccessor.getPathArray(path); accessor.set(pathArray, value); return accessor.get(pathArray); } case 'delete': { const {path} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } accessor.delete(ObjectPropertyAccessor.getPathArray(path)); return true; } case 'swap': { const {path1, path2} = target; if (typeof path1 !== 'string') { throw new Error('Invalid path1'); } if (typeof path2 !== 'string') { throw new Error('Invalid path2'); } accessor.swap(ObjectPropertyAccessor.getPathArray(path1), ObjectPropertyAccessor.getPathArray(path2)); return true; } case 'splice': { const {path, start, deleteCount, items} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } if (typeof start !== 'number' || Math.floor(start) !== start) { throw new Error('Invalid start'); } if (typeof deleteCount !== 'number' || Math.floor(deleteCount) !== deleteCount) { throw new Error('Invalid deleteCount'); } if (!Array.isArray(items)) { throw new Error('Invalid items'); } const array = accessor.get(ObjectPropertyAccessor.getPathArray(path)); if (!Array.isArray(array)) { throw new Error('Invalid target type'); } return array.splice(start, deleteCount, ...items); } case 'push': { const {path, items} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } if (!Array.isArray(items)) { throw new Error('Invalid items'); } const array = accessor.get(ObjectPropertyAccessor.getPathArray(path)); if (!Array.isArray(array)) { throw new Error('Invalid target type'); } const start = array.length; array.push(...items); return start; } default: throw new Error(`Unknown action: ${action}`); } } /** * @returns {Promise} */ _getBrowserIconTitle() { return ( isObject(chrome.action) && typeof chrome.action.getTitle === 'function' ? new Promise((resolve) => chrome.action.getTitle({}, resolve)) : Promise.resolve('') ); } /** * @returns {void} */ _updateBadge() { let title = this._defaultBrowserActionTitle; if (title === null || !isObject(chrome.action)) { // Not ready or invalid return; } let text = ''; let color = null; let status = null; if (this._logErrorLevel !== null) { switch (this._logErrorLevel) { case 'error': text = '!!'; color = '#f04e4e'; status = 'Error'; break; default: // 'warn' text = '!'; color = '#f0ad4e'; status = 'Warning'; break; } } else if (!this._isPrepared) { if (this._prepareError) { text = '!!'; color = '#f04e4e'; status = 'Error'; } else if (this._badgePrepareDelayTimer === null) { text = '...'; color = '#f0ad4e'; status = 'Loading'; } } else { const options = this._getProfileOptions({current: true}, false); if (!options.general.enable) { text = 'off'; color = '#555555'; status = 'Disabled'; } else if (!this._hasRequiredPermissionsForSettings(options)) { text = '!'; color = '#f0ad4e'; status = 'Some settings require additional permissions'; } else if (!this._isAnyDictionaryEnabled(options)) { text = '!'; color = '#f0ad4e'; status = 'No dictionaries installed'; } } if (color !== null && typeof chrome.action.setBadgeBackgroundColor === 'function') { chrome.action.setBadgeBackgroundColor({color}); } if (text !== null && typeof chrome.action.setBadgeText === 'function') { chrome.action.setBadgeText({text}); } if (typeof chrome.action.setTitle === 'function') { if (status !== null) { title = `${title} - ${status}`; } chrome.action.setTitle({title}); } } /** * @param {import('settings').ProfileOptions} options * @returns {boolean} */ _isAnyDictionaryEnabled(options) { for (const {enabled} of options.dictionaries) { if (enabled) { return true; } } return false; } /** * @param {number} tabId * @returns {Promise} */ async _getTabUrl(tabId) { try { const response = await this._sendMessageTabPromise( tabId, {action: 'applicationGetUrl'}, {frameId: 0} ); const url = typeof response === 'object' && response !== null ? /** @type {import('core').SerializableObject} */ (response).url : void 0; if (typeof url === 'string') { return url; } } catch (e) { // NOP } return null; } /** * @returns {Promise} */ _getAllTabs() { return new Promise((resolve, reject) => { chrome.tabs.query({}, (tabs) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(tabs); } }); }); } /** * This function works around the need to have the "tabs" permission to access tab.url. * @param {number} timeout * @param {boolean} multiple * @param {import('backend').FindTabsPredicate} predicate * @param {boolean} predicateIsAsync * @returns {Promise} */ async _findTabs(timeout, multiple, predicate, predicateIsAsync) { const tabs = await this._getAllTabs(); let done = false; /** * @param {chrome.tabs.Tab} tab * @param {(tabInfo: import('backend').TabInfo) => boolean} add */ const checkTab = async (tab, add) => { const {id} = tab; const url = typeof id === 'number' ? await this._getTabUrl(id) : null; if (done) { return; } let okay = false; const item = {tab, url}; try { const okayOrPromise = predicate(item); okay = predicateIsAsync ? await okayOrPromise : /** @type {boolean} */ (okayOrPromise); } catch (e) { // NOP } if (okay && !done) { if (add(item)) { done = true; } } }; if (multiple) { /** @type {import('backend').TabInfo[]} */ const results = []; /** * @param {import('backend').TabInfo} value * @returns {boolean} */ const add = (value) => { results.push(value); return false; }; const checkTabPromises = tabs.map((tab) => checkTab(tab, add)); await Promise.race([ Promise.all(checkTabPromises), promiseTimeout(timeout) ]); return results; } else { const {promise, resolve} = /** @type {import('core').DeferredPromiseDetails} */ (deferPromise()); /** @type {?import('backend').TabInfo} */ let result = null; /** * @param {import('backend').TabInfo} value * @returns {boolean} */ const add = (value) => { result = value; resolve(); return true; }; const checkTabPromises = tabs.map((tab) => checkTab(tab, add)); await Promise.race([ promise, Promise.all(checkTabPromises), promiseTimeout(timeout) ]); resolve(); return result; } } /** * @param {chrome.tabs.Tab} tab */ async _focusTab(tab) { await /** @type {Promise} */ (new Promise((resolve, reject) => { const {id} = tab; if (typeof id !== 'number') { reject(new Error('Cannot focus a tab without an id')); return; } chrome.tabs.update(id, {active: true}, () => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(); } }); })); if (!(typeof chrome.windows === 'object' && chrome.windows !== null)) { // Windows not supported (e.g. on Firefox mobile) return; } try { const tabWindow = await new Promise((resolve, reject) => { chrome.windows.get(tab.windowId, {}, (value) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(value); } }); }); if (!tabWindow.focused) { await /** @type {Promise} */ (new Promise((resolve, reject) => { chrome.windows.update(tab.windowId, {focused: true}, () => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(); } }); })); } } catch (e) { // Edge throws exception for no reason here. } } /** * @param {number} tabId * @param {number} frameId * @param {?number} [timeout=null] * @returns {Promise} */ _waitUntilTabFrameIsReady(tabId, frameId, timeout = null) { return new Promise((resolve, reject) => { /** @type {?import('core').Timeout} */ let timer = null; const readyHandler = () => { cleanup(); resolve(); }; const cleanup = () => { if (timer !== null) { clearTimeout(timer); timer = null; } this._removeApplicationReadyHandler(tabId, frameId, readyHandler); }; this._addApplicationReadyHandler(tabId, frameId, readyHandler); this._sendMessageTabPromise(tabId, {action: 'applicationIsReady'}, {frameId}) .then( (value) => { if (!value) { return; } cleanup(); resolve(); }, () => {} // NOP ); if (timeout !== null) { timer = setTimeout(() => { timer = null; cleanup(); reject(new Error('Timeout')); }, timeout); } }); } /** * @template {import('application').ApiNames} TName * @param {import('application').ApiMessage} message */ _sendMessageIgnoreResponse(message) { this._webExtension.sendMessageIgnoreResponse(message); } /** * @param {number} tabId * @param {import('application').ApiMessageAny} message * @param {chrome.tabs.MessageSendOptions} options */ _sendMessageTabIgnoreResponse(tabId, message, options) { const callback = () => this._checkLastError(chrome.runtime.lastError); chrome.tabs.sendMessage(tabId, message, options, callback); } /** * @param {import('application').ApiMessageAny} message */ _sendMessageAllTabsIgnoreResponse(message) { const callback = () => this._checkLastError(chrome.runtime.lastError); chrome.tabs.query({}, (tabs) => { for (const tab of tabs) { const {id} = tab; if (typeof id !== 'number') { continue; } chrome.tabs.sendMessage(id, message, callback); } }); } /** * @template {import('application').ApiNames} TName * @param {number} tabId * @param {import('application').ApiMessage} message * @param {chrome.tabs.MessageSendOptions} options * @returns {Promise>} */ _sendMessageTabPromise(tabId, message, options) { return new Promise((resolve, reject) => { /** * @param {unknown} response */ const callback = (response) => { try { resolve(/** @type {import('application').ApiReturn} */ (this._getMessageResponseResult(response))); } catch (error) { reject(error); } }; chrome.tabs.sendMessage(tabId, message, options, callback); }); } /** * @param {unknown} response * @returns {unknown} * @throws {Error} */ _getMessageResponseResult(response) { const error = chrome.runtime.lastError; if (error) { throw new Error(error.message); } if (typeof response !== 'object' || response === null) { throw new Error('Tab did not respond'); } const responseError = /** @type {import('core').Response} */ (response).error; if (typeof responseError === 'object' && responseError !== null) { throw ExtensionError.deserialize(responseError); } return /** @type {import('core').Response} */ (response).result; } /** * @param {number} tabId * @param {(url: ?string) => boolean} urlPredicate * @returns {Promise} */ async _checkTabUrl(tabId, urlPredicate) { let tab; try { tab = await this._getTabById(tabId); } catch (e) { return null; } const url = await this._getTabUrl(tabId); const isValidTab = urlPredicate(url); return isValidTab ? tab : null; } /** * @param {number} tabId * @param {number} frameId * @param {'jpeg'|'png'} format * @param {number} quality * @returns {Promise} */ async _getScreenshot(tabId, frameId, format, quality) { const tab = await this._getTabById(tabId); const {windowId} = tab; let token = null; try { if (typeof tabId === 'number' && typeof frameId === 'number') { const action = 'frontendSetAllVisibleOverride'; const params = {value: false, priority: 0, awaitFrame: true}; token = await this._sendMessageTabPromise(tabId, {action, params}, {frameId}); } return await new Promise((resolve, reject) => { chrome.tabs.captureVisibleTab(windowId, {format, quality}, (result) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(result); } }); }); } finally { if (token !== null) { const action = 'frontendClearAllVisibleOverride'; const params = {token}; try { await this._sendMessageTabPromise(tabId, {action, params}, {frameId}); } catch (e) { // NOP } } } } /** * @param {AnkiConnect} ankiConnect * @param {number} timestamp * @param {import('api').InjectAnkiNoteMediaDefinitionDetails} definitionDetails * @param {?import('api').InjectAnkiNoteMediaAudioDetails} audioDetails * @param {?import('api').InjectAnkiNoteMediaScreenshotDetails} screenshotDetails * @param {?import('api').InjectAnkiNoteMediaClipboardDetails} clipboardDetails * @param {import('api').InjectAnkiNoteMediaDictionaryMediaDetails[]} dictionaryMediaDetails * @returns {Promise>} */ async _injectAnkNoteMedia(ankiConnect, timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails, dictionaryMediaDetails) { let screenshotFileName = null; let clipboardImageFileName = null; let clipboardText = null; let audioFileName = null; const errors = []; try { if (screenshotDetails !== null) { screenshotFileName = await this._injectAnkiNoteScreenshot(ankiConnect, timestamp, definitionDetails, screenshotDetails); } } catch (e) { errors.push(ExtensionError.serialize(e)); } try { if (clipboardDetails !== null && clipboardDetails.image) { clipboardImageFileName = await this._injectAnkiNoteClipboardImage(ankiConnect, timestamp, definitionDetails); } } catch (e) { errors.push(ExtensionError.serialize(e)); } try { if (clipboardDetails !== null && clipboardDetails.text) { clipboardText = await this._clipboardReader.getText(false); } } catch (e) { errors.push(ExtensionError.serialize(e)); } try { if (audioDetails !== null) { audioFileName = await this._injectAnkiNoteAudio(ankiConnect, timestamp, definitionDetails, audioDetails); } } catch (e) { errors.push(ExtensionError.serialize(e)); } /** @type {import('api').InjectAnkiNoteDictionaryMediaResult[]} */ let dictionaryMedia; try { let errors2; ({results: dictionaryMedia, errors: errors2} = await this._injectAnkiNoteDictionaryMedia(ankiConnect, timestamp, definitionDetails, dictionaryMediaDetails)); for (const error of errors2) { errors.push(ExtensionError.serialize(error)); } } catch (e) { dictionaryMedia = []; errors.push(ExtensionError.serialize(e)); } return { screenshotFileName, clipboardImageFileName, clipboardText, audioFileName, dictionaryMedia, errors: errors }; } /** * @param {AnkiConnect} ankiConnect * @param {number} timestamp * @param {import('api').InjectAnkiNoteMediaDefinitionDetails} definitionDetails * @param {import('api').InjectAnkiNoteMediaAudioDetails} details * @returns {Promise} */ async _injectAnkiNoteAudio(ankiConnect, timestamp, definitionDetails, details) { if (definitionDetails.type !== 'term') { return null; } const {term, reading} = definitionDetails; if (term.length === 0 && reading.length === 0) { return null; } const {sources, preferredAudioIndex, idleTimeout} = details; let data; let contentType; try { ({data, contentType} = await this._audioDownloader.downloadTermAudio( sources, preferredAudioIndex, term, reading, idleTimeout )); } catch (e) { const error = this._getAudioDownloadError(e); if (error !== null) { throw error; } // No audio return null; } let extension = contentType !== null ? getFileExtensionFromAudioMediaType(contentType) : null; if (extension === null) { extension = '.mp3'; } let fileName = this._generateAnkiNoteMediaFileName('yomitan_audio', extension, timestamp, definitionDetails); fileName = fileName.replace(/\]/g, ''); return await ankiConnect.storeMediaFile(fileName, data); } /** * @param {AnkiConnect} ankiConnect * @param {number} timestamp * @param {import('api').InjectAnkiNoteMediaDefinitionDetails} definitionDetails * @param {import('api').InjectAnkiNoteMediaScreenshotDetails} details * @returns {Promise} */ async _injectAnkiNoteScreenshot(ankiConnect, timestamp, definitionDetails, details) { const {tabId, frameId, format, quality} = details; const dataUrl = await this._getScreenshot(tabId, frameId, format, quality); const {mediaType, data} = this._getDataUrlInfo(dataUrl); const extension = getFileExtensionFromImageMediaType(mediaType); if (extension === null) { throw new Error('Unknown media type for screenshot image'); } const fileName = this._generateAnkiNoteMediaFileName('yomitan_browser_screenshot', extension, timestamp, definitionDetails); return await ankiConnect.storeMediaFile(fileName, data); } /** * @param {AnkiConnect} ankiConnect * @param {number} timestamp * @param {import('api').InjectAnkiNoteMediaDefinitionDetails} definitionDetails * @returns {Promise} */ async _injectAnkiNoteClipboardImage(ankiConnect, timestamp, definitionDetails) { const dataUrl = await this._clipboardReader.getImage(); if (dataUrl === null) { return null; } const {mediaType, data} = this._getDataUrlInfo(dataUrl); const extension = getFileExtensionFromImageMediaType(mediaType); if (extension === null) { throw new Error('Unknown media type for clipboard image'); } const fileName = this._generateAnkiNoteMediaFileName('yomitan_clipboard_image', extension, timestamp, definitionDetails); return await ankiConnect.storeMediaFile(fileName, data); } /** * @param {AnkiConnect} ankiConnect * @param {number} timestamp * @param {import('api').InjectAnkiNoteMediaDefinitionDetails} definitionDetails * @param {import('api').InjectAnkiNoteMediaDictionaryMediaDetails[]} dictionaryMediaDetails * @returns {Promise<{results: import('api').InjectAnkiNoteDictionaryMediaResult[], errors: unknown[]}>} */ async _injectAnkiNoteDictionaryMedia(ankiConnect, timestamp, definitionDetails, dictionaryMediaDetails) { const targets = []; const detailsList = []; const detailsMap = new Map(); for (const {dictionary, path} of dictionaryMediaDetails) { const target = {dictionary, path}; const details = {dictionary, path, media: null}; const key = JSON.stringify(target); targets.push(target); detailsList.push(details); detailsMap.set(key, details); } const mediaList = await this._getNormalizedDictionaryDatabaseMedia(targets); for (const media of mediaList) { const {dictionary, path} = media; const key = JSON.stringify({dictionary, path}); const details = detailsMap.get(key); if (typeof details === 'undefined' || details.media !== null) { continue; } details.media = media; } const errors = []; /** @type {import('api').InjectAnkiNoteDictionaryMediaResult[]} */ const results = []; for (let i = 0, ii = detailsList.length; i < ii; ++i) { const {dictionary, path, media} = detailsList[i]; let fileName = null; if (media !== null) { const {content, mediaType} = media; const extension = getFileExtensionFromImageMediaType(mediaType); fileName = this._generateAnkiNoteMediaFileName( `yomitan_dictionary_media_${i + 1}`, extension !== null ? extension : '', timestamp, definitionDetails ); try { fileName = await ankiConnect.storeMediaFile(fileName, content); } catch (e) { errors.push(e); fileName = null; } } results.push({dictionary, path, fileName}); } return {results, errors}; } /** * @param {unknown} error * @returns {?ExtensionError} */ _getAudioDownloadError(error) { if (error instanceof ExtensionError && typeof error.data === 'object' && error.data !== null) { const {errors} = /** @type {import('core').SerializableObject} */ (error.data); if (Array.isArray(errors)) { for (const errorDetail of errors) { if (!(errorDetail instanceof Error)) { continue; } if (errorDetail.name === 'AbortError') { return this._createAudioDownloadError('Audio download was cancelled due to an idle timeout', 'audio-download-idle-timeout', errors); } if (!(errorDetail instanceof ExtensionError)) { continue; } const {data} = errorDetail; if (!(typeof data === 'object' && data !== null)) { continue; } const {details} = /** @type {import('core').SerializableObject} */ (data); if (!(typeof details === 'object' && details !== null)) { continue; } const error3 = /** @type {import('core').SerializableObject} */ (details).error; if (typeof error3 !== 'string') { continue; } switch (error3) { case 'net::ERR_FAILED': // This is potentially an error due to the extension not having enough URL privileges. // The message logged to the console looks like this: // Access to fetch at '' from origin 'chrome-extension://' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled. return this._createAudioDownloadError('Audio download failed due to possible extension permissions error', 'audio-download-failed-permissions-error', errors); case 'net::ERR_CERT_DATE_INVALID': // Chrome case 'Peer’s Certificate has expired.': // Firefox // This error occurs when a server certificate expires. return this._createAudioDownloadError('Audio download failed due to an expired server certificate', 'audio-download-failed-expired-server-certificate', errors); } } } } return null; } /** * @param {string} message * @param {?string} issueId * @param {?(Error[])} errors * @returns {ExtensionError} */ _createAudioDownloadError(message, issueId, errors) { const error = new ExtensionError(message); const hasErrors = Array.isArray(errors); const hasIssueId = (typeof issueId === 'string'); if (hasErrors || hasIssueId) { /** @type {{errors?: import('core').SerializedError[], referenceUrl?: string}} */ const data = {}; error.data = {}; if (hasErrors) { // Errors need to be serialized since they are passed to other frames data.errors = errors.map((e) => ExtensionError.serialize(e)); } if (hasIssueId) { data.referenceUrl = `/issues.html#${issueId}`; } } return error; } /** * @param {string} prefix * @param {string} extension * @param {number} timestamp * @param {import('api').InjectAnkiNoteMediaDefinitionDetails} definitionDetails * @returns {string} */ _generateAnkiNoteMediaFileName(prefix, extension, timestamp, definitionDetails) { let fileName = prefix; switch (definitionDetails.type) { case 'kanji': { const {character} = definitionDetails; if (character) { fileName += `_${character}`; } } break; default: { const {reading, term} = definitionDetails; if (reading) { fileName += `_${reading}`; } if (term) { fileName += `_${term}`; } } break; } fileName += `_${this._ankNoteDateToString(new Date(timestamp))}`; fileName += extension; fileName = this._replaceInvalidFileNameCharacters(fileName); return fileName; } /** * @param {string} fileName * @returns {string} */ _replaceInvalidFileNameCharacters(fileName) { // eslint-disable-next-line no-control-regex return fileName.replace(/[<>:"/\\|?*\x00-\x1F]/g, '-'); } /** * @param {Date} date * @returns {string} */ _ankNoteDateToString(date) { const year = date.getUTCFullYear(); const month = date.getUTCMonth().toString().padStart(2, '0'); const day = date.getUTCDate().toString().padStart(2, '0'); const hours = date.getUTCHours().toString().padStart(2, '0'); const minutes = date.getUTCMinutes().toString().padStart(2, '0'); const seconds = date.getUTCSeconds().toString().padStart(2, '0'); return `${year}-${month}-${day}-${hours}-${minutes}-${seconds}`; } /** * @param {string} dataUrl * @returns {{mediaType: string, data: string}} * @throws {Error} */ _getDataUrlInfo(dataUrl) { const match = /^data:([^,]*?)(;base64)?,/.exec(dataUrl); if (match === null) { throw new Error('Invalid data URL'); } let mediaType = match[1]; if (mediaType.length === 0) { mediaType = 'text/plain'; } let data = dataUrl.substring(match[0].length); if (typeof match[2] === 'undefined') { data = btoa(data); } return {mediaType, data}; } /** * @param {import('backend').DatabaseUpdateType} type * @param {import('backend').DatabaseUpdateCause} cause */ _triggerDatabaseUpdated(type, cause) { this._translator.clearDatabaseCaches(); this._sendMessageAllTabsIgnoreResponse({action: 'applicationDatabaseUpdated', params: {type, cause}}); } /** * @param {string} source */ async _saveOptions(source) { this._clearProfileConditionsSchemaCache(); const options = this._getOptionsFull(false); await this._optionsUtil.save(options); this._applyOptions(source); } /** * Creates an options object for use with `Translator.findTerms`. * @param {import('translator').FindTermsMode} mode The display mode for the dictionary entries. * @param {import('api').FindTermsDetails} details Custom info for finding terms. * @param {import('settings').ProfileOptions} options The options. * @returns {import('translation').FindTermsOptions} An options object. */ _getTranslatorFindTermsOptions(mode, details, options) { let {matchType, deinflect} = details; if (typeof matchType !== 'string') { matchType = /** @type {import('translation').FindTermsMatchType} */ ('exact'); } if (typeof deinflect !== 'boolean') { deinflect = true; } const enabledDictionaryMap = this._getTranslatorEnabledDictionaryMap(options); const { general: {mainDictionary, sortFrequencyDictionary, sortFrequencyDictionaryOrder}, scanning: {alphanumeric}, translation: { convertHalfWidthCharacters, convertNumericCharacters, convertAlphabeticCharacters, convertHiraganaToKatakana, convertKatakanaToHiragana, collapseEmphaticSequences, textReplacements: textReplacementsOptions, searchResolution } } = options; const textReplacements = this._getTranslatorTextReplacements(textReplacementsOptions); let excludeDictionaryDefinitions = null; if (mode === 'merge' && !enabledDictionaryMap.has(mainDictionary)) { enabledDictionaryMap.set(mainDictionary, { index: enabledDictionaryMap.size, priority: 0, allowSecondarySearches: false, partsOfSpeechFilter: true, useDeinflections: true }); excludeDictionaryDefinitions = new Set(); excludeDictionaryDefinitions.add(mainDictionary); } return { matchType, deinflect, mainDictionary, sortFrequencyDictionary, sortFrequencyDictionaryOrder, removeNonJapaneseCharacters: !alphanumeric, convertHalfWidthCharacters, convertNumericCharacters, convertAlphabeticCharacters, convertHiraganaToKatakana, convertKatakanaToHiragana, collapseEmphaticSequences, searchResolution, textReplacements, enabledDictionaryMap, excludeDictionaryDefinitions }; } /** * Creates an options object for use with `Translator.findKanji`. * @param {import('settings').ProfileOptions} options The options. * @returns {import('translation').FindKanjiOptions} An options object. */ _getTranslatorFindKanjiOptions(options) { const enabledDictionaryMap = this._getTranslatorEnabledDictionaryMap(options); return { enabledDictionaryMap, removeNonJapaneseCharacters: !options.scanning.alphanumeric }; } /** * @param {import('settings').ProfileOptions} options * @returns {Map} */ _getTranslatorEnabledDictionaryMap(options) { const enabledDictionaryMap = new Map(); for (const dictionary of options.dictionaries) { if (!dictionary.enabled) { continue; } const {name, priority, allowSecondarySearches, partsOfSpeechFilter, useDeinflections} = dictionary; enabledDictionaryMap.set(name, { index: enabledDictionaryMap.size, priority, allowSecondarySearches, partsOfSpeechFilter, useDeinflections }); } return enabledDictionaryMap; } /** * @param {import('settings').TranslationTextReplacementOptions} textReplacementsOptions * @returns {(?(import('translation').FindTermsTextReplacement[]))[]} */ _getTranslatorTextReplacements(textReplacementsOptions) { /** @type {(?(import('translation').FindTermsTextReplacement[]))[]} */ const textReplacements = []; for (const group of textReplacementsOptions.groups) { /** @type {import('translation').FindTermsTextReplacement[]} */ const textReplacementsEntries = []; for (const {pattern, ignoreCase, replacement} of group) { let patternRegExp; try { patternRegExp = new RegExp(pattern, ignoreCase ? 'gi' : 'g'); } catch (e) { // Invalid pattern continue; } textReplacementsEntries.push({pattern: patternRegExp, replacement}); } if (textReplacementsEntries.length > 0) { textReplacements.push(textReplacementsEntries); } } if (textReplacements.length === 0 || textReplacementsOptions.searchOriginal) { textReplacements.unshift(null); } return textReplacements; } /** * @returns {Promise} */ async _openWelcomeGuidePageOnce() { chrome.storage.session.get(['openedWelcomePage']).then((result) => { if (!result.openedWelcomePage) { this._openWelcomeGuidePage(); chrome.storage.session.set({openedWelcomePage: true}); } }); } /** * @returns {Promise} */ async _openWelcomeGuidePage() { await this._createTab(chrome.runtime.getURL('/welcome.html')); } /** * @returns {Promise} */ async _openInfoPage() { await this._createTab(chrome.runtime.getURL('/info.html')); } /** * @param {'existingOrNewTab'|'newTab'} mode */ async _openSettingsPage(mode) { const manifest = chrome.runtime.getManifest(); const optionsUI = manifest.options_ui; if (typeof optionsUI === 'undefined') { throw new Error('Failed to find options_ui'); } const {page} = optionsUI; if (typeof page === 'undefined') { throw new Error('Failed to find options_ui.page'); } const url = chrome.runtime.getURL(page); switch (mode) { case 'existingOrNewTab': await /** @type {Promise} */ (new Promise((resolve, reject) => { chrome.runtime.openOptionsPage(() => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(); } }); })); break; case 'newTab': await this._createTab(url); break; } } /** * @param {string} url * @returns {Promise} */ _createTab(url) { return new Promise((resolve, reject) => { chrome.tabs.create({url}, (tab) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(tab); } }); }); } /** * @param {number} tabId * @returns {Promise} */ _getTabById(tabId) { return new Promise((resolve, reject) => { chrome.tabs.get( tabId, (result) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(result); } } ); }); } /** * @returns {Promise} */ async _checkPermissions() { this._permissions = await getAllPermissions(); this._updateBadge(); } /** * @returns {boolean} */ _canObservePermissionsChanges() { return isObject(chrome.permissions) && isObject(chrome.permissions.onAdded) && isObject(chrome.permissions.onRemoved); } /** * @param {import('settings').ProfileOptions} options * @returns {boolean} */ _hasRequiredPermissionsForSettings(options) { if (!this._canObservePermissionsChanges()) { return true; } return this._permissions === null || hasRequiredPermissionsForOptions(this._permissions, options); } /** * Only request this permission for Firefox versions >= 77. * https://bugzilla.mozilla.org/show_bug.cgi?id=1630413 * @returns {Promise} */ async _requestPersistentStorage() { try { if (await navigator.storage.persisted()) { return; } const {vendor, version} = await browser.runtime.getBrowserInfo(); if (vendor !== 'Mozilla') { return; } const match = /^\d+/.exec(version); if (match === null) { return; } const versionNumber = Number.parseInt(match[0]); if (!(Number.isFinite(versionNumber) && versionNumber >= 77)) { return; } await navigator.storage.persist(); } catch (e) { // NOP } } /** * @param {{path: string, dictionary: string}[]} targets * @returns {Promise} */ async _getNormalizedDictionaryDatabaseMedia(targets) { const results = []; for (const item of await this._dictionaryDatabase.getMedia(targets)) { const {content, dictionary, height, mediaType, path, width} = item; const content2 = arrayBufferToBase64(content); results.push({content: content2, dictionary, height, mediaType, path, width}); } return results; } /** * @param {unknown} mode * @param {'existingOrNewTab'|'newTab'} defaultValue * @returns {'existingOrNewTab'|'newTab'} */ _normalizeOpenSettingsPageMode(mode, defaultValue) { switch (mode) { case 'existingOrNewTab': case 'newTab': return mode; default: return defaultValue; } } /** * @param {number} tabId * @param {number} frameId * @param {() => void} handler */ _addApplicationReadyHandler(tabId, frameId, handler) { const key = `${tabId}:${frameId}`; let handlers = this._applicationReadyHandlers.get(key); if (typeof handlers === 'undefined') { handlers = []; this._applicationReadyHandlers.set(key, handlers); } handlers.push(handler); } /** * @param {number} tabId * @param {number} frameId * @param {() => void} handler * @returns {boolean} */ _removeApplicationReadyHandler(tabId, frameId, handler) { const key = `${tabId}:${frameId}`; const handlers = this._applicationReadyHandlers.get(key); if (typeof handlers === 'undefined') { return false; } const index = handlers.indexOf(handler); if (index < 0) { return false; } handlers.splice(index, 1); if (handlers.length === 0) { this._applicationReadyHandlers.delete(key); } return true; } }