/*
* 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 {fetchText} from '../core/fetch-utilities.js';
import {logErrorLevelToNumber} from '../core/log-utilities.js';
import {log} from '../core/log.js';
import {isObjectNotArray} from '../core/object-utilities.js';
import {clone, deferPromise, promiseTimeout} from '../core/utilities.js';
import {INVALID_NOTE_ID, isNoteDataValid} from '../data/anki-util.js';
import {arrayBufferToBase64} from '../data/array-buffer-util.js';
import {OptionsUtil} from '../data/options-util.js';
import {getAllPermissions, hasPermissions, hasRequiredPermissionsForOptions} from '../data/permissions-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, convertKatakanaToHiragana as jpConvertKatakanaToHiragana} from '../language/ja/japanese.js';
import {getLanguageSummaries, isTextLookupWorthy} from '../language/languages.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(this._dictionaryDatabase);
/** @type {ClipboardReader|ClipboardReaderProxy} */
this._clipboardReader = new ClipboardReader(
// eslint-disable-next-line no-undef
(typeof document === 'object' && document !== null ? document : null),
'#clipboard-paste-target',
'#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(this._clipboardReader);
/** @type {?import('settings').Options} */
this._options = null;
/** @type {import('../data/json-schema.js').JsonSchema[]} */
this._profileConditionsSchemaCache = [];
/** @type {?string} */
this._ankiClipboardImageFilenameCache = null;
/** @type {?string} */
this._ankiClipboardImageDataUrlCache = null;
/** @type {?string} */
this._defaultAnkiFieldTemplates = null;
/** @type {RequestBuilder} */
this._requestBuilder = new RequestBuilder();
/** @type {AudioDownloader} */
this._audioDownloader = new AudioDownloader(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)],
['updateAnkiNote', this._onApiUpdateAnkiNote.bind(this)],
['getAnkiNoteInfo', this._onApiGetAnkiNoteInfo.bind(this)],
['injectAnkiNoteMedia', this._onApiInjectAnkiNoteMedia.bind(this)],
['viewNotes', this._onApiViewNotes.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)],
['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)],
['logGenericErrorBackend', this._onApiLogGenericErrorBackend.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)],
['isTextLookupWorthy', this._onApiIsTextLookupWorthy.bind(this)],
['getTermFrequencies', this._onApiGetTermFrequencies.bind(this)],
['findAnkiNotes', this._onApiFindAnkiNotes.bind(this)],
['openCrossFramePort', this._onApiOpenCrossFramePort.bind(this)],
['getLanguageSummaries', this._onApiGetLanguageSummaries.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);
},
);
void promise.finally(() => this._updateBadge());
this._preparePromise = promise;
}
return this._prepareCompletePromise;
}
// Private
/**
* @returns {void}
*/
_prepareInternalSync() {
if (isObjectNotArray(chrome.commands) && isObjectNotArray(chrome.commands.onCommand)) {
const onCommand = this._onWebExtensionEventWrapper(this._onCommand.bind(this));
chrome.commands.onCommand.addListener(onCommand);
}
if (isObjectNotArray(chrome.tabs) && isObjectNotArray(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 = this._getBrowserIconTitle();
this._badgePrepareDelayTimer = setTimeout(() => {
this._badgePrepareDelayTimer = null;
this._updateBadge();
}, 1000);
this._updateBadge();
log.on('logGenericError', this._onLogGenericError.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);
}
void this._translator.prepare();
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) {
void 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}) {
// Only update if tab does not exist
if (await this._tabExists('/search.html')) { return; }
const {
general: {language},
clipboard: {maximumSearchLength},
} = this._getProfileOptions({current: true}, false);
if (!isTextLookupWorthy(text, language)) { return; }
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 {import('log').Events['logGenericError']} params
*/
_onLogGenericError({level}) {
const levelValue = logErrorLevelToNumber(level);
const currentLogErrorLevel = this._logErrorLevel !== null ? logErrorLevelToNumber(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) {
// This is using SafeAny to just forward the parameters
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument
handler(...args);
return;
}
this._prepareCompletePromise.then(
() => {
// This is using SafeAny to just forward the parameters
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument
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() {
void this._checkPermissions();
}
/**
* @param {chrome.runtime.InstalledDetails} event
*/
_onInstalled({reason}) {
if (reason !== 'install') { return; }
void 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<'updateAnkiNote'>} */
async _onApiUpdateAnkiNote({noteWithId}) {
return await this._anki.updateNoteFields(noteWithId);
}
/**
* @param {import('anki').Note[]} notes
* @returns {Promise}
*/
async partitionAddibleNotes(notes) {
// `allowDuplicate` is on for all notes by default, so we temporarily set it to false
// to check which notes are duplicates.
const notesNoDuplicatesAllowed = notes.map((note) => ({...note, options: {...note.options, allowDuplicate: false}}));
// If only older AnkiConnect available, use `canAddNotes`.
const withDuplicatesAllowed = await this._anki.canAddNotes(notes);
const noDuplicatesAllowed = await this._anki.canAddNotes(notesNoDuplicatesAllowed);
/** @type {{ note: import('anki').Note, isDuplicate: boolean }[]} */
const canAddArray = [];
/** @type {import('anki').Note[]} */
const cannotAddArray = [];
for (let i = 0; i < withDuplicatesAllowed.length; i++) {
if (withDuplicatesAllowed[i] === noDuplicatesAllowed[i]) {
canAddArray.push({note: notes[i], isDuplicate: false});
} else {
canAddArray.push({note: notes[i], isDuplicate: true});
}
}
return {canAddArray, cannotAddArray};
}
/** @type {import('api').ApiHandler<'getAnkiNoteInfo'>} */
async _onApiGetAnkiNoteInfo({notes, fetchAdditionalInfo}) {
const {canAddArray, cannotAddArray} = await this.partitionAddibleNotes(notes);
/** @type {import('anki').NoteInfoWrapper[]} */
const results = cannotAddArray
.filter((note) => isNoteDataValid(note))
.map(() => ({canAdd: false, valid: false, noteIds: null}));
/** @type {import('anki').Note[]} */
const duplicateNotes = [];
/** @type {number[]} */
const originalIndices = [];
for (let i = 0; i < canAddArray.length; i++) {
if (canAddArray[i].isDuplicate) {
duplicateNotes.push(canAddArray[i].note);
// Keep original indices to locate duplicate inside `duplicateNoteIds`
originalIndices.push(i);
}
}
const duplicateNoteIds = await this._anki.findNoteIds(duplicateNotes);
for (let i = 0; i < canAddArray.length; ++i) {
const {note, isDuplicate} = canAddArray[i];
const valid = isNoteDataValid(note);
if (isDuplicate && duplicateNoteIds[originalIndices.indexOf(i)].length === 0) {
duplicateNoteIds[originalIndices.indexOf(i)] = [INVALID_NOTE_ID];
}
const noteIds = isDuplicate ? duplicateNoteIds[originalIndices.indexOf(i)] : null;
const noteInfos = (fetchAdditionalInfo && noteIds !== null && noteIds.length > 0) ? await this._anki.notesInfo(noteIds) : [];
const info = {
canAdd: valid,
valid,
noteIds: noteIds,
noteInfos: noteInfos,
};
results.push(info);
}
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<'viewNotes'>} */
async _onApiViewNotes({noteIds, mode, allowFallback}) {
if (noteIds.length === 1 && mode === 'edit') {
try {
await this._anki.guiEditNote(noteIds[0]);
return 'edit';
} catch (e) {
if (!(e instanceof Error && this._anki.isErrorUnsupportedAction(e))) {
throw e;
} else if (!allowFallback) {
throw new Error('Mode not supported');
}
}
}
await this._anki.guiBrowseNotes(noteIds);
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, languageSummary}) {
return await this._audioDownloader.getTermAudioInfoList(source, term, reading, languageSummary);
}
/** @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 {
tabId: typeof tabId === 'number' ? tabId : null,
frameId: typeof frameId === 'number' ? frameId : null,
};
}
/** @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<'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});
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<'logGenericErrorBackend'>} */
_onApiLogGenericErrorBackend({error, level, context}) {
log.logGenericError(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<'isTextLookupWorthy'>} */
_onApiIsTextLookupWorthy({text, language}) {
return isTextLookupWorthy(text, language);
}
/** @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};
}
/** @type {import('api').ApiHandler<'getLanguageSummaries'>} */
_onApiGetLanguageSummaries() {
return getLanguageSummaries();
}
// Command handlers
/**
* @param {undefined|{mode: import('backend').Mode, query?: string}} params
*/
async _onCommandOpenSearchPage(params) {
/** @type {import('backend').Mode} */
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;
case 'popup':
return;
}
}
/**
* @returns {Promise}
*/
async _onCommandOpenInfoPage() {
await this._openInfoPage();
}
/**
* @param {undefined|{mode: import('backend').Mode}} params
*/
async _onCommandOpenSettingsPage(params) {
/** @type {import('backend').Mode} */
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;
void 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 (!isObjectNotArray(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} urlParam
* @returns {Promise}
*/
async _tabExists(urlParam) {
const baseUrl = chrome.runtime.getURL(urlParam);
const urlPredicate = (/** @type {?string} */ url) => url !== null && url.startsWith(baseUrl);
return await this._findSearchPopupTab(urlPredicate) !== null;
}
/**
* @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();
}
try {
if (options.general.enableContextMenuScanSelected) {
chrome.contextMenus.create({
id: 'yomitan_lookup',
title: 'Lookup in Yomitan',
contexts: ['selection'],
}, () => this._checkLastError(chrome.runtime.lastError));
chrome.contextMenus.onClicked.addListener((info) => {
if (info.selectionText) {
this._sendMessageAllTabsIgnoreResponse({action: 'frontendScanSelectedText'});
}
});
} else {
chrome.contextMenus.remove('yomitan_lookup', () => this._checkLastError(chrome.runtime.lastError));
}
} catch (e) {
log.error(e);
}
void 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: ${action}`);
}
}
/**
* Returns the action's default title.
* @throws {Error}
* @returns {string}
*/
_getBrowserIconTitle() {
const manifest = /** @type {chrome.runtime.ManifestV3} */ (chrome.runtime.getManifest());
const action = manifest.action;
if (typeof action === 'undefined') { throw new Error('Failed to find action'); }
const defaultTitle = action.default_title;
if (typeof defaultTitle === 'undefined') { throw new Error('Failed to find default_title'); }
return defaultTitle;
}
/**
* @returns {void}
*/
_updateBadge() {
let title = this._defaultBrowserActionTitle;
if (title === null || !isObjectNotArray(chrome.action)) {
// Not ready or invalid
return;
}
let text = '';
let color = null;
let status = null;
if (this._logErrorLevel !== null) {
switch (this._logErrorLevel) {
case 'error':
text = '!!';
color = '#f04e4e';
status = 'Error';
break;
default: // 'warn'
text = '!';
color = '#f0ad4e';
status = 'Warning';
break;
}
} else if (!this._isPrepared) {
if (this._prepareError) {
text = '!!';
color = '#f04e4e';
status = 'Error';
} else if (this._badgePrepareDelayTimer === null) {
text = '...';
color = '#f0ad4e';
status = 'Loading';
}
} else {
const options = this._getProfileOptions({current: true}, false);
if (!options.general.enable) {
text = 'off';
color = '#555555';
status = 'Disabled';
} else if (!this._hasRequiredPermissionsForSettings(options)) {
text = '!';
color = '#f0ad4e';
status = 'Some settings require additional permissions';
} else if (!this._isAnyDictionaryEnabled(options)) {
text = '!';
color = '#f0ad4e';
status = 'No dictionaries installed';
}
}
if (color !== null && typeof chrome.action.setBadgeBackgroundColor === 'function') {
void chrome.action.setBadgeBackgroundColor({color});
}
if (text !== null && typeof chrome.action.setBadgeText === 'function') {
void chrome.action.setBadgeText({text});
}
if (typeof chrome.action.setTitle === 'function') {
if (status !== null) {
title = `${title} - ${status}`;
}
void 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 && 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 this._getWindow(tab.windowId);
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} windowId
* @returns {Promise}
*/
_getWindow(windowId) {
return new Promise((resolve, reject) => {
chrome.windows.get(windowId, {}, (value) => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
resolve(value);
}
});
});
}
/**
* @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, screenshotDetails);
}
} catch (e) {
errors.push(ExtensionError.serialize(e));
}
try {
if (clipboardDetails !== null && clipboardDetails.image) {
clipboardImageFileName = await this._injectAnkiNoteClipboardImage(ankiConnect, timestamp);
}
} 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, 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, languageSummary} = details;
let data;
let contentType;
try {
({data, contentType} = await this._audioDownloader.downloadTermAudio(
sources,
preferredAudioIndex,
term,
reading,
idleTimeout,
languageSummary,
));
} 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);
fileName = fileName.replace(/\]/g, '');
return await ankiConnect.storeMediaFile(fileName, data);
}
/**
* @param {AnkiConnect} ankiConnect
* @param {number} timestamp
* @param {import('api').InjectAnkiNoteMediaScreenshotDetails} details
* @returns {Promise}
*/
async _injectAnkiNoteScreenshot(ankiConnect, timestamp, 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);
return await ankiConnect.storeMediaFile(fileName, data);
}
/**
* @param {AnkiConnect} ankiConnect
* @param {number} timestamp
* @returns {Promise}
*/
async _injectAnkiNoteClipboardImage(ankiConnect, timestamp) {
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 = dataUrl === this._ankiClipboardImageDataUrlCache && this._ankiClipboardImageFilenameCache ?
this._ankiClipboardImageFilenameCache :
this._generateAnkiNoteMediaFileName('yomitan_clipboard_image', extension, timestamp);
const storedFileName = await ankiConnect.storeMediaFile(fileName, data);
if (storedFileName !== null) {
this._ankiClipboardImageDataUrlCache = dataUrl;
this._ankiClipboardImageFilenameCache = storedFileName;
}
return storedFileName;
}
/**
* @param {AnkiConnect} ankiConnect
* @param {number} timestamp
* @param {import('api').InjectAnkiNoteMediaDictionaryMediaDetails[]} dictionaryMediaDetails
* @returns {Promise<{results: import('api').InjectAnkiNoteDictionaryMediaResult[], errors: unknown[]}>}
*/
async _injectAnkiNoteDictionaryMedia(ankiConnect, timestamp, dictionaryMediaDetails) {
const targets = [];
const detailsList = [];
/** @type {Map} */
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,
);
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
* @returns {string}
*/
_generateAnkiNoteMediaFileName(prefix, extension, timestamp) {
let fileName = prefix;
fileName += `_${this._ankNoteDateToString(new Date(timestamp))}`;
fileName += extension;
fileName = this._replaceInvalidFileNameCharacters(fileName);
return fileName;
}
/**
* @param {string} fileName
* @returns {string}
*/
_replaceInvalidFileNameCharacters(fileName) {
// eslint-disable-next-line no-control-regex
return fileName.replace(/[<>:"/\\|?*\u0000-\u001F]/g, '-');
}
/**
* @param {Date} date
* @returns {string}
*/
_ankNoteDateToString(date) {
const year = date.getUTCFullYear();
const month = date.getUTCMonth().toString().padStart(2, '0');
const day = date.getUTCDate().toString().padStart(2, '0');
const hours = date.getUTCHours().toString().padStart(2, '0');
const minutes = date.getUTCMinutes().toString().padStart(2, '0');
const seconds = date.getUTCSeconds().toString().padStart(2, '0');
const milliseconds = date.getUTCMilliseconds().toString().padStart(3, '0');
return `${year}-${month}-${day}-${hours}-${minutes}-${seconds}-${milliseconds}`;
}
/**
* @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) {
void 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, language},
scanning: {alphanumeric},
translation: {
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,
searchResolution,
textReplacements,
enabledDictionaryMap,
excludeDictionaryDefinitions,
language,
};
}
/**
* 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() {
const result = await chrome.storage.session.get(['openedWelcomePage']);
if (!result.openedWelcomePage) {
await Promise.all([
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 {import('backend').Mode} 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 isObjectNotArray(chrome.permissions) && isObjectNotArray(chrome.permissions.onAdded) && isObjectNotArray(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], 10);
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 {import('backend').Mode} defaultValue
* @returns {import('backend').Mode}
*/
_normalizeOpenSettingsPageMode(mode, defaultValue) {
switch (mode) {
case 'existingOrNewTab':
case 'newTab':
case 'popup':
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;
}
}