yomichan/ext/js/background/backend.js

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/*
* Copyright (C) 2016-2021 Yomichan Authors
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*
* 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
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
* AnkiConnect
* AnkiUtil
* AudioDownloader
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* ClipboardMonitor
* ClipboardReader
* DictionaryDatabase
* Environment
* JapaneseUtil
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* Mecab
* MediaUtil
* ObjectPropertyAccessor
* OptionsUtil
* PermissionsUtil
* ProfileConditionsUtil
* RequestBuilder
* StringUtil
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* Translator
* wanakana
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*/
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class Backend {
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constructor() {
this._japaneseUtil = new JapaneseUtil(wanakana);
this._environment = new Environment();
this._dictionaryDatabase = new DictionaryDatabase();
this._translator = new Translator({
japaneseUtil: this._japaneseUtil,
database: this._dictionaryDatabase
});
this._anki = new AnkiConnect();
this._mecab = new Mecab();
this._clipboardReader = new ClipboardReader({
// eslint-disable-next-line no-undef
document: (typeof document === 'object' && document !== null ? document : null),
pasteTargetSelector: '#clipboard-paste-target',
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imagePasteTargetSelector: '#clipboard-image-paste-target'
});
this._clipboardMonitor = new ClipboardMonitor({
japaneseUtil: this._japaneseUtil,
clipboardReader: this._clipboardReader
});
this._options = null;
this._profileConditionsSchemaCache = [];
this._profileConditionsUtil = new ProfileConditionsUtil();
this._defaultAnkiFieldTemplates = null;
this._requestBuilder = new RequestBuilder();
this._audioDownloader = new AudioDownloader({
japaneseUtil: this._japaneseUtil,
requestBuilder: this._requestBuilder
});
this._optionsUtil = new OptionsUtil();
this._searchPopupTabId = null;
this._searchPopupTabCreatePromise = null;
this._isPrepared = false;
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this._prepareError = false;
this._preparePromise = null;
const {promise, resolve, reject} = deferPromise();
this._prepareCompletePromise = promise;
this._prepareCompleteResolve = resolve;
this._prepareCompleteReject = reject;
this._defaultBrowserActionTitle = null;
this._badgePrepareDelayTimer = null;
this._logErrorLevel = null;
this._permissions = null;
this._permissionsUtil = new PermissionsUtil();
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this._messageHandlers = new Map([
['requestBackendReadySignal', {async: false, contentScript: true, handler: this._onApiRequestBackendReadySignal.bind(this)}],
['optionsGet', {async: false, contentScript: true, handler: this._onApiOptionsGet.bind(this)}],
['optionsGetFull', {async: false, contentScript: true, handler: this._onApiOptionsGetFull.bind(this)}],
['kanjiFind', {async: true, contentScript: true, handler: this._onApiKanjiFind.bind(this)}],
['termsFind', {async: true, contentScript: true, handler: this._onApiTermsFind.bind(this)}],
['parseText', {async: true, contentScript: true, handler: this._onApiParseText.bind(this)}],
['getAnkiConnectVersion', {async: true, contentScript: true, handler: this._onApGetAnkiConnectVersion.bind(this)}],
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['isAnkiConnected', {async: true, contentScript: true, handler: this._onApiIsAnkiConnected.bind(this)}],
['addAnkiNote', {async: true, contentScript: true, handler: this._onApiAddAnkiNote.bind(this)}],
['getAnkiNoteInfo', {async: true, contentScript: true, handler: this._onApiGetAnkiNoteInfo.bind(this)}],
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['injectAnkiNoteMedia', {async: true, contentScript: true, handler: this._onApiInjectAnkiNoteMedia.bind(this)}],
['noteView', {async: true, contentScript: true, handler: this._onApiNoteView.bind(this)}],
['suspendAnkiCardsForNote', {async: true, contentScript: true, handler: this._onApiSuspendAnkiCardsForNote.bind(this)}],
['commandExec', {async: false, contentScript: true, handler: this._onApiCommandExec.bind(this)}],
['getTermAudioInfoList', {async: true, contentScript: true, handler: this._onApiGetTermAudioInfoList.bind(this)}],
['sendMessageToFrame', {async: false, contentScript: true, handler: this._onApiSendMessageToFrame.bind(this)}],
['broadcastTab', {async: false, contentScript: true, handler: this._onApiBroadcastTab.bind(this)}],
['frameInformationGet', {async: true, contentScript: true, handler: this._onApiFrameInformationGet.bind(this)}],
['injectStylesheet', {async: true, contentScript: true, handler: this._onApiInjectStylesheet.bind(this)}],
['getStylesheetContent', {async: true, contentScript: true, handler: this._onApiGetStylesheetContent.bind(this)}],
['getEnvironmentInfo', {async: false, contentScript: true, handler: this._onApiGetEnvironmentInfo.bind(this)}],
['clipboardGet', {async: true, contentScript: true, handler: this._onApiClipboardGet.bind(this)}],
['getDisplayTemplatesHtml', {async: true, contentScript: true, handler: this._onApiGetDisplayTemplatesHtml.bind(this)}],
['getZoom', {async: true, contentScript: true, handler: this._onApiGetZoom.bind(this)}],
['getDefaultAnkiFieldTemplates', {async: false, contentScript: true, handler: this._onApiGetDefaultAnkiFieldTemplates.bind(this)}],
['getDictionaryInfo', {async: true, contentScript: true, handler: this._onApiGetDictionaryInfo.bind(this)}],
['purgeDatabase', {async: true, contentScript: false, handler: this._onApiPurgeDatabase.bind(this)}],
['getMedia', {async: true, contentScript: true, handler: this._onApiGetMedia.bind(this)}],
['log', {async: false, contentScript: true, handler: this._onApiLog.bind(this)}],
['logIndicatorClear', {async: false, contentScript: true, handler: this._onApiLogIndicatorClear.bind(this)}],
['createActionPort', {async: false, contentScript: true, handler: this._onApiCreateActionPort.bind(this)}],
['modifySettings', {async: true, contentScript: true, handler: this._onApiModifySettings.bind(this)}],
['getSettings', {async: false, contentScript: true, handler: this._onApiGetSettings.bind(this)}],
['setAllSettings', {async: true, contentScript: false, handler: this._onApiSetAllSettings.bind(this)}],
['getOrCreateSearchPopup', {async: true, contentScript: true, handler: this._onApiGetOrCreateSearchPopup.bind(this)}],
['isTabSearchPopup', {async: true, contentScript: true, handler: this._onApiIsTabSearchPopup.bind(this)}],
['triggerDatabaseUpdated', {async: false, contentScript: true, handler: this._onApiTriggerDatabaseUpdated.bind(this)}],
['testMecab', {async: true, contentScript: true, handler: this._onApiTestMecab.bind(this)}],
['textHasJapaneseCharacters', {async: false, contentScript: true, handler: this._onApiTextHasJapaneseCharacters.bind(this)}],
['documentStart', {async: false, contentScript: true, handler: this._onDocumentStart.bind(this)}]
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]);
this._messageHandlersWithProgress = new Map([
]);
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this._commandHandlers = new Map([
['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)]
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]);
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}
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prepare() {
if (this._preparePromise === null) {
const promise = this._prepareInternal();
promise.then(
(value) => {
this._isPrepared = true;
this._prepareCompleteResolve(value);
},
(error) => {
this._prepareError = true;
this._prepareCompleteReject(error);
}
);
promise.finally(() => this._updateBadge());
this._preparePromise = promise;
}
return this._prepareCompletePromise;
}
// Private
_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 onConnect = this._onWebExtensionEventWrapper(this._onConnect.bind(this));
chrome.runtime.onConnect.addListener(onConnect);
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));
}
async _prepareInternal() {
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try {
this._prepareInternalSync();
this._permissions = await this._permissionsUtil.getAllPermissions();
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this._defaultBrowserActionTitle = await this._getBrowserIconTitle();
this._badgePrepareDelayTimer = setTimeout(() => {
this._badgePrepareDelayTimer = null;
this._updateBadge();
}, 1000);
this._updateBadge();
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yomichan.on('log', this._onLog.bind(this));
await this._requestBuilder.prepare();
await this._environment.prepare();
this._clipboardReader.browser = this._environment.getInfo().browser;
try {
await this._dictionaryDatabase.prepare();
} catch (e) {
log.error(e);
}
const deinflectionReasions = await this._fetchAsset('/data/deinflect.json', true);
this._translator.prepare(deinflectionReasions);
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await this._optionsUtil.prepare();
this._defaultAnkiFieldTemplates = (await this._fetchAsset('/data/templates/default-anki-field-templates.handlebars')).trim();
this._options = await this._optionsUtil.load();
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this._applyOptions('background');
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const options = this._getProfileOptions({current: true});
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if (options.general.showGuide) {
this._openWelcomeGuidePage();
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}
this._clipboardMonitor.on('change', this._onClipboardTextChange.bind(this));
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this._sendMessageAllTabsIgnoreResponse('backendReady', {});
this._sendMessageIgnoreResponse({action: 'backendReady', params: {}});
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} catch (e) {
log.error(e);
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throw e;
} finally {
if (this._badgePrepareDelayTimer !== null) {
clearTimeout(this._badgePrepareDelayTimer);
this._badgePrepareDelayTimer = null;
}
}
}
// Event handlers
async _onClipboardTextChange({text}) {
const {clipboard: {maximumSearchLength}} = this._getProfileOptions({current: true});
if (text.length > maximumSearchLength) {
text = text.substring(0, maximumSearchLength);
}
try {
const {tab, created} = await this._getOrCreateSearchPopup();
await this._focusTab(tab);
await this._updateSearchQuery(tab.id, text, !created);
} catch (e) {
// NOP
}
}
_onLog({level}) {
const levelValue = this._getErrorLevelValue(level);
if (levelValue <= this._getErrorLevelValue(this._logErrorLevel)) { return; }
this._logErrorLevel = level;
this._updateBadge();
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}
// WebExtension event handlers (with prepared checks)
_onWebExtensionEventWrapper(handler) {
return (...args) => {
if (this._isPrepared) {
handler(...args);
return;
}
this._prepareCompletePromise.then(
() => { handler(...args); },
() => {} // NOP
);
};
}
_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
_onCommand(command) {
this._runCommand(command);
}
_onMessage({action, params}, sender, callback) {
const messageHandler = this._messageHandlers.get(action);
if (typeof messageHandler === 'undefined') { return false; }
if (!messageHandler.contentScript) {
try {
this._validatePrivilegedMessageSender(sender);
} catch (error) {
callback({error: serializeError(error)});
return false;
}
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}
return invokeMessageHandler(messageHandler, params, callback, sender);
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}
_onConnect(port) {
try {
let details;
try {
details = JSON.parse(port.name);
} catch (e) {
return;
}
if (details.name !== 'background-cross-frame-communication-port') { return; }
const senderTabId = (port.sender && port.sender.tab ? port.sender.tab.id : null);
if (typeof senderTabId !== 'number') {
throw new Error('Port does not have an associated tab ID');
}
const senderFrameId = port.sender.frameId;
if (typeof senderFrameId !== 'number') {
throw new Error('Port does not have an associated frame ID');
}
let {targetTabId, targetFrameId} = details;
if (typeof targetTabId !== 'number') {
targetTabId = senderTabId;
}
const details2 = {
name: 'cross-frame-communication-port',
sourceTabId: senderTabId,
sourceFrameId: senderFrameId
};
let forwardPort = chrome.tabs.connect(targetTabId, {frameId: targetFrameId, name: JSON.stringify(details2)});
const cleanup = () => {
this._checkLastError(chrome.runtime.lastError);
if (forwardPort !== null) {
forwardPort.disconnect();
forwardPort = null;
}
if (port !== null) {
port.disconnect();
port = null;
}
};
port.onMessage.addListener((message) => { forwardPort.postMessage(message); });
forwardPort.onMessage.addListener((message) => { port.postMessage(message); });
port.onDisconnect.addListener(cleanup);
forwardPort.onDisconnect.addListener(cleanup);
} catch (e) {
port.disconnect();
log.error(e);
}
}
_onZoomChange({tabId, oldZoomFactor, newZoomFactor}) {
this._sendMessageTabIgnoreResponse(tabId, {action: 'zoomChanged', params: {oldZoomFactor, newZoomFactor}});
}
_onPermissionsChanged() {
this._checkPermissions();
}
_onInstalled({reason}) {
if (reason !== 'install') { return; }
this._requestPersistentStorage();
}
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// Message handlers
_onApiRequestBackendReadySignal(_params, sender) {
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// tab ID isn't set in background (e.g. browser_action)
const data = {action: 'backendReady', params: {}};
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if (typeof sender.tab === 'undefined') {
this._sendMessageIgnoreResponse(data);
return false;
} else {
this._sendMessageTabIgnoreResponse(sender.tab.id, data);
return true;
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}
}
_onApiOptionsGet({optionsContext}) {
return this._getProfileOptions(optionsContext);
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}
_onApiOptionsGetFull() {
return this._getOptionsFull();
}
async _onApiKanjiFind({text, optionsContext}) {
const options = this._getProfileOptions(optionsContext);
const {general: {maxResults}} = options;
const findKanjiOptions = this._getTranslatorFindKanjiOptions(options);
const dictionaryEntries = await this._translator.findKanji(text, findKanjiOptions);
dictionaryEntries.splice(maxResults);
return dictionaryEntries;
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}
async _onApiTermsFind({text, details, optionsContext}) {
const options = this._getProfileOptions(optionsContext);
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};
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}
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)
]);
const results = [];
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if (internalResults !== null) {
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results.push({
id: 'scan',
source: 'scanning-parser',
dictionary: null,
content: internalResults
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});
}
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if (mecabResults !== null) {
for (const [dictionary, content] of mecabResults) {
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results.push({
id: `mecab-${dictionary}`,
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source: 'mecab',
dictionary,
content
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});
}
}
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return results;
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}
async _onApGetAnkiConnectVersion() {
return await this._anki.getVersion();
}
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async _onApiIsAnkiConnected() {
return await this._anki.isConnected();
}
async _onApiAddAnkiNote({note}) {
return await this._anki.addNote(note);
}
async _onApiGetAnkiNoteInfo({notes, fetchAdditionalInfo}) {
const results = [];
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 = AnkiUtil.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;
}
async _onApiInjectAnkiNoteMedia({timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails, dictionaryMediaDetails}) {
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return await this._injectAnkNoteMedia(
this._anki,
timestamp,
definitionDetails,
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audioDetails,
screenshotDetails,
clipboardDetails,
dictionaryMediaDetails
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);
}
async _onApiNoteView({noteId}) {
return await this._anki.guiBrowseNote(noteId);
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}
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;
}
_onApiCommandExec({command, params}) {
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return this._runCommand(command, params);
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}
async _onApiGetTermAudioInfoList({source, term, reading}) {
return await this._audioDownloader.getTermAudioInfoList(source, term, reading);
}
_onApiSendMessageToFrame({frameId: targetFrameId, action, params}, sender) {
if (!(sender && sender.tab)) {
return false;
}
const tabId = sender.tab.id;
const frameId = sender.frameId;
this._sendMessageTabIgnoreResponse(tabId, {action, params, frameId}, {frameId: targetFrameId});
return true;
}
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_onApiBroadcastTab({action, params}, sender) {
if (!(sender && sender.tab)) {
return false;
}
const tabId = sender.tab.id;
const frameId = sender.frameId;
this._sendMessageTabIgnoreResponse(tabId, {action, params, frameId});
return true;
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}
_onApiFrameInformationGet(params, sender) {
const tab = sender.tab;
const tabId = tab ? tab.id : void 0;
const frameId = sender.frameId;
return Promise.resolve({tabId, frameId});
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}
_onApiInjectStylesheet({type, value}, sender) {
return this._injectStylesheet(type, value, sender);
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}
async _onApiGetStylesheetContent({url}) {
if (!url.startsWith('/') || url.startsWith('//') || !url.endsWith('.css')) {
throw new Error('Invalid URL');
}
return await this._fetchAsset(url);
}
_onApiGetEnvironmentInfo() {
return this._environment.getInfo();
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}
async _onApiClipboardGet() {
return this._clipboardReader.getText();
}
async _onApiGetDisplayTemplatesHtml() {
return await this._fetchAsset('/display-templates.html');
}
_onApiGetZoom(params, sender) {
if (!sender || !sender.tab) {
return Promise.reject(new Error('Invalid tab'));
}
return new Promise((resolve, reject) => {
const tabId = sender.tab.id;
if (!(
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});
}
});
});
}
_onApiGetDefaultAnkiFieldTemplates() {
return this._defaultAnkiFieldTemplates;
}
async _onApiGetDictionaryInfo() {
return await this._dictionaryDatabase.getDictionaryInfo();
}
async _onApiPurgeDatabase() {
await this._dictionaryDatabase.purge();
this._triggerDatabaseUpdated('dictionary', 'purge');
}
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async _onApiGetMedia({targets}) {
return await this._getNormalizedDictionaryDatabaseMedia(targets);
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}
_onApiLog({error, level, context}) {
log.log(deserializeError(error), level, context);
}
_onApiLogIndicatorClear() {
if (this._logErrorLevel === null) { return; }
this._logErrorLevel = null;
this._updateBadge();
}
_onApiCreateActionPort(params, sender) {
if (!sender || !sender.tab) { throw new Error('Invalid sender'); }
const tabId = sender.tab.id;
if (typeof tabId !== 'number') { throw new Error('Sender has invalid tab ID'); }
const frameId = sender.frameId;
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const id = generateId(16);
const details = {
name: 'action-port',
id
};
const port = chrome.tabs.connect(tabId, {name: JSON.stringify(details), frameId});
try {
this._createActionListenerPort(port, sender, this._messageHandlersWithProgress);
} catch (e) {
port.disconnect();
throw e;
}
return details;
}
_onApiModifySettings({targets, source}) {
return this._modifySettings(targets, source);
}
_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: serializeError(e)});
}
}
return results;
}
async _onApiSetAllSettings({value, source}) {
this._optionsUtil.validate(value);
this._options = clone(value);
await this._saveOptions(source);
}
async _onApiGetOrCreateSearchPopup({focus=false, text=null}) {
const {tab, created} = await this._getOrCreateSearchPopup();
if (focus === true || (focus === 'ifCreated' && created)) {
await this._focusTab(tab);
}
if (typeof text === 'string') {
await this._updateSearchQuery(tab.id, text, !created);
}
return {tabId: tab.id, windowId: tab.windowId};
}
async _onApiIsTabSearchPopup({tabId}) {
const baseUrl = chrome.runtime.getURL('/search.html');
const tab = typeof tabId === 'number' ? await this._checkTabUrl(tabId, (url) => url.startsWith(baseUrl)) : null;
return (tab !== null);
}
_onApiTriggerDatabaseUpdated({type, cause}) {
this._triggerDatabaseUpdated(type, cause);
}
async _onApiTestMecab() {
if (!this._mecab.isEnabled()) {
throw new Error('MeCab not enabled');
}
let permissionsOkay = false;
try {
permissionsOkay = await this._permissionsUtil.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: ${version}`);
}
} finally {
// Disconnect if the connection was previously disconnected
if (disconnect && this._mecab.isEnabled() && this._mecab.isActive()) {
this._mecab.disconnect();
}
}
return true;
}
_onApiTextHasJapaneseCharacters({text}) {
return this._japaneseUtil.isStringPartiallyJapanese(text);
}
_onDocumentStart(params, sender) {
const {tab, frameId, url} = sender;
if (typeof url !== 'string' || typeof tab !== 'object' || tab === null) { return; }
this._updateTabAccessibility(url, tab, frameId);
}
// Command handlers
async _onCommandOpenSearchPage(params) {
const {mode='existingOrNewTab', query} = params || {};
const baseUrl = chrome.runtime.getURL('/search.html');
const queryParams = {};
if (query && query.length > 0) { queryParams.query = query; }
const queryString = new URLSearchParams(queryParams).toString();
let url = baseUrl;
if (queryString.length > 0) {
url += `?${queryString}`;
}
const predicate = ({url: url2}) => {
if (url2 === null || !url2.startsWith(baseUrl)) { return false; }
const parsedUrl = new URL(url2);
const baseUrl2 = `${parsedUrl.origin}${parsedUrl.pathname}`;
const mode2 = parsedUrl.searchParams.get('mode');
return baseUrl2 === baseUrl && (mode2 === mode || (!mode2 && mode === 'existingOrNewTab'));
};
const openInTab = async () => {
const tabInfo = await this._findTabs(1000, false, predicate, false);
if (tabInfo !== null) {
const {tab} = tabInfo;
await this._focusTab(tab);
if (queryParams.query) {
await this._updateSearchQuery(tab.id, queryParams.query, true);
}
return true;
}
};
switch (mode) {
case 'existingOrNewTab':
try {
if (await openInTab()) { return; }
} catch (e) {
// NOP
}
await this._createTab(url);
return;
case 'newTab':
await this._createTab(url);
return;
}
}
async _onCommandOpenInfoPage() {
await this._openInfoPage();
}
async _onCommandOpenSettingsPage(params) {
const {mode='existingOrNewTab'} = params || {};
await this._openSettingsPage(mode);
}
async _onCommandToggleTextScanning() {
const options = this._getProfileOptions({current: true});
await this._modifySettings([{
action: 'set',
path: 'general.enable',
value: !options.general.enable,
scope: 'profile',
optionsContext: {current: true}
}], 'backend');
}
async _onCommandOpenPopupWindow() {
await this._onApiGetOrCreateSearchPopup({focus: true});
}
// Utilities
async _modifySettings(targets, source) {
const results = [];
for (const target of targets) {
try {
const result = this._modifySetting(target);
results.push({result: clone(result)});
} catch (e) {
results.push({error: serializeError(e)});
}
}
await this._saveOptions(source);
return results;
}
_getOrCreateSearchPopup() {
if (this._searchPopupTabCreatePromise === null) {
const promise = this._getOrCreateSearchPopup2();
this._searchPopupTabCreatePromise = promise;
promise.then(() => { this._searchPopupTabCreatePromise = null; });
}
return this._searchPopupTabCreatePromise;
}
async _getOrCreateSearchPopup2() {
// Use existing tab
const baseUrl = chrome.runtime.getURL('/search.html');
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;
this._searchPopupTabId = existingTab.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});
const createData = this._getSearchPopupWindowCreateData(baseUrl, options);
const {popupWindow: {windowState}} = options;
const popupWindow = await this._createWindow(createData);
if (windowState !== 'normal') {
await this._updateWindow(popupWindow.id, {state: windowState});
}
const {tabs} = popupWindow;
if (tabs.length === 0) {
throw new Error('Created window did not contain a tab');
}
const tab = tabs[0];
await this._waitUntilTabFrameIsReady(tab.id, 0, 2000);
await this._sendMessageTabPromise(
tab.id,
{action: 'setMode', params: {mode: 'popup'}},
{frameId: 0}
);
this._searchPopupTabId = tab.id;
return {tab, created: true};
}
async _findSearchPopupTab(urlPredicate) {
const predicate = async ({url, tab}) => {
if (!urlPredicate(url)) { return false; }
try {
const mode = await this._sendMessageTabPromise(
tab.id,
{action: 'getMode', params: {}},
{frameId: 0}
);
return mode === 'popup';
} catch (e) {
return false;
}
};
return await this._findTabs(1000, false, predicate, true);
}
_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'
};
}
_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(result);
}
}
);
});
}
_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);
}
}
);
});
}
_updateSearchQuery(tabId, text, animate) {
return this._sendMessageTabPromise(
tabId,
{action: 'updateSearchQuery', params: {text, animate}},
{frameId: 0}
);
}
_applyOptions(source) {
const options = this._getProfileOptions({current: true});
this._updateBadge();
this._anki.server = options.anki.server;
this._anki.enabled = options.anki.enable;
this._mecab.setEnabled(options.parsing.enableMecabParser);
if (options.clipboard.enableBackgroundMonitor) {
this._clipboardMonitor.start();
} else {
this._clipboardMonitor.stop();
}
this._sendMessageAllTabsIgnoreResponse('optionsUpdated', {source});
}
_getOptionsFull(useSchema=false) {
const options = this._options;
return useSchema ? this._optionsUtil.createValidatingProxy(options) : options;
}
_getProfileOptions(optionsContext, useSchema=false) {
return this._getProfile(optionsContext, useSchema).options;
}
_getProfile(optionsContext, useSchema=false) {
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];
}
_getProfileFromContext(options, optionsContext) {
optionsContext = this._profileConditionsUtil.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 = this._profileConditionsUtil.createSchema(conditionGroups);
this._profileConditionsSchemaCache.push(schema);
}
if (conditionGroups.length > 0 && schema.isValid(optionsContext)) {
return profile;
}
++index;
}
return null;
}
_createDataError(message, data) {
const error = new Error(message);
error.data = data;
return error;
}
_clearProfileConditionsSchemaCache() {
this._profileConditionsSchemaCache = [];
}
_checkLastError() {
// NOP
}
_runCommand(command, params) {
const handler = this._commandHandlers.get(command);
if (typeof handler !== 'function') { return false; }
handler(params);
return true;
}
async _textParseScanning(text, scanLength, optionsContext) {
const jp = this._japaneseUtil;
const mode = 'simple';
const options = this._getProfileOptions(optionsContext);
const findTermsOptions = this._getTranslatorFindTermsOptions(mode, {wildcard: null}, options);
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 = text.codePointAt(i);
const character = String.fromCodePoint(codePoint);
if (
dictionaryEntries.length > 0 &&
originalTextLength > 0 &&
(originalTextLength !== character.length || jp.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 jp.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;
}
async _textParseMecab(text) {
const jp = this._japaneseUtil;
let parseTextResults;
try {
parseTextResults = await this._mecab.parseText(text);
} catch (e) {
return [];
}
const results = [];
for (const {name, lines} of parseTextResults) {
const result = [];
for (const line of lines) {
for (const {term, reading, source} of line) {
const termParts = [];
for (const {text: text2, reading: reading2} of jp.distributeFuriganaInflected(
term.length > 0 ? term : source,
jp.convertKatakanaToHiragana(reading),
source
)) {
termParts.push({text: text2, reading: reading2});
}
result.push(termParts);
}
result.push([{text: '\n', reading: ''}]);
}
results.push([name, result]);
}
return results;
}
_createActionListenerPort(port, sender, handlers) {
let hasStarted = false;
let messageString = '';
const onProgress = (...data) => {
try {
if (port === null) { return; }
port.postMessage({type: 'progress', data});
} catch (e) {
// NOP
}
};
const onMessage = (message) => {
if (hasStarted) { return; }
try {
const {action, data} = message;
switch (action) {
case 'fragment':
messageString += data;
break;
case 'invoke':
{
hasStarted = true;
port.onMessage.removeListener(onMessage);
const messageData = JSON.parse(messageString);
messageString = null;
onMessageComplete(messageData);
}
break;
}
} catch (e) {
cleanup(e);
}
};
const onMessageComplete = async (message) => {
try {
const {action, params} = message;
port.postMessage({type: 'ack'});
const messageHandler = handlers.get(action);
if (typeof messageHandler === 'undefined') {
throw new Error('Invalid action');
}
const {handler, async, contentScript} = messageHandler;
if (!contentScript) {
this._validatePrivilegedMessageSender(sender);
}
const promiseOrResult = handler(params, sender, onProgress);
const result = async ? await promiseOrResult : promiseOrResult;
port.postMessage({type: 'complete', data: result});
} catch (e) {
cleanup(e);
}
};
const onDisconnect = () => {
cleanup(null);
};
const cleanup = (error) => {
if (port === null) { return; }
if (error !== null) {
port.postMessage({type: 'error', data: serializeError(error)});
}
if (!hasStarted) {
port.onMessage.removeListener(onMessage);
}
port.onDisconnect.removeListener(onDisconnect);
port = null;
handlers = null;
};
port.onMessage.addListener(onMessage);
port.onDisconnect.addListener(onDisconnect);
}
_getErrorLevelValue(errorLevel) {
switch (errorLevel) {
case 'info': return 0;
case 'debug': return 0;
case 'warn': return 1;
case 'error': return 2;
default: return 0;
}
}
_getModifySettingObject(target) {
const scope = target.scope;
switch (scope) {
case 'profile':
if (!isObject(target.optionsContext)) { throw new Error('Invalid optionsContext'); }
return this._getProfileOptions(target.optionsContext, true);
case 'global':
return this._getOptionsFull(true);
default:
throw new Error(`Invalid scope: ${scope}`);
}
}
_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));
}
_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}`);
}
}
_validatePrivilegedMessageSender(sender) {
let {url} = sender;
if (typeof url === 'string' && yomichan.isExtensionUrl(url)) { return; }
const {tab} = url;
if (typeof tab === 'object' && tab !== null) {
({url} = tab);
if (typeof url === 'string' && yomichan.isExtensionUrl(url)) { return; }
}
throw new Error('Invalid message sender');
}
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_getBrowserIconTitle() {
return (
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isObject(chrome.browserAction) &&
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typeof chrome.browserAction.getTitle === 'function' ?
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new Promise((resolve) => chrome.browserAction.getTitle({}, resolve)) :
Promise.resolve('')
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);
}
_updateBadge() {
let title = this._defaultBrowserActionTitle;
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if (title === null || !isObject(chrome.browserAction)) {
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// 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) {
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if (this._prepareError) {
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text = '!!';
color = '#f04e4e';
status = 'Error';
} else if (this._badgePrepareDelayTimer === null) {
text = '...';
color = '#f0ad4e';
status = 'Loading';
}
} else {
const options = this._getProfileOptions({current: true});
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';
}
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}
if (color !== null && typeof chrome.browserAction.setBadgeBackgroundColor === 'function') {
chrome.browserAction.setBadgeBackgroundColor({color});
}
if (text !== null && typeof chrome.browserAction.setBadgeText === 'function') {
chrome.browserAction.setBadgeText({text});
}
if (typeof chrome.browserAction.setTitle === 'function') {
if (status !== null) {
title = `${title} - ${status}`;
}
chrome.browserAction.setTitle({title});
}
}
_isAnyDictionaryEnabled(options) {
for (const {enabled} of options.dictionaries) {
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if (enabled) {
return true;
}
}
return false;
}
_anyOptionsMatches(predicate) {
for (const {options} of this._options.profiles) {
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const value = predicate(options);
if (value) { return value; }
}
return false;
}
async _getTabUrl(tabId) {
try {
const {url} = await this._sendMessageTabPromise(
tabId,
{action: 'getUrl', params: {}},
{frameId: 0}
);
if (typeof url === 'string') {
return url;
}
} catch (e) {
// NOP
}
return null;
}
_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);
}
});
});
}
async _findTabs(timeout, multiple, predicate, predicateIsAsync) {
// This function works around the need to have the "tabs" permission to access tab.url.
const tabs = await this._getAllTabs();
let done = false;
const checkTab = async (tab, add) => {
const url = await this._getTabUrl(tab.id);
if (done) { return; }
let okay = false;
const item = {tab, url};
try {
okay = predicate(item);
if (predicateIsAsync) { okay = await okay; }
} catch (e) {
// NOP
}
if (okay && !done) {
if (add(item)) {
done = true;
}
}
};
if (multiple) {
const results = [];
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} = deferPromise();
let result = null;
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;
}
}
async _focusTab(tab) {
await new Promise((resolve, reject) => {
chrome.tabs.update(tab.id, {active: true}, () => {
const e = chrome.runtime.lastError;
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if (e) {
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reject(new Error(e.message));
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} else {
resolve();
}
});
});
if (!(typeof chrome.windows === 'object' && chrome.windows !== null)) {
// Windows not supported (e.g. on Firefox mobile)
return;
}
try {
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const tabWindow = await new Promise((resolve, reject) => {
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chrome.windows.get(tab.windowId, {}, (value) => {
const e = chrome.runtime.lastError;
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if (e) {
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reject(new Error(e.message));
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} else {
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resolve(value);
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}
});
});
if (!tabWindow.focused) {
await new Promise((resolve, reject) => {
chrome.windows.update(tab.windowId, {focused: true}, () => {
const e = chrome.runtime.lastError;
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if (e) {
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reject(new Error(e.message));
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} else {
resolve();
}
});
});
}
} catch (e) {
// Edge throws exception for no reason here.
}
}
_waitUntilTabFrameIsReady(tabId, frameId, timeout=null) {
return new Promise((resolve, reject) => {
let timer = null;
let onMessage = (message, sender) => {
if (
!sender.tab ||
sender.tab.id !== tabId ||
sender.frameId !== frameId ||
!isObject(message) ||
message.action !== 'yomichanReady'
) {
return;
}
cleanup();
resolve();
};
const cleanup = () => {
if (timer !== null) {
clearTimeout(timer);
timer = null;
}
if (onMessage !== null) {
chrome.runtime.onMessage.removeListener(onMessage);
onMessage = null;
}
};
chrome.runtime.onMessage.addListener(onMessage);
this._sendMessageTabPromise(tabId, {action: 'isReady'}, {frameId})
.then(
(value) => {
if (!value) { return; }
cleanup();
resolve();
},
() => {} // NOP
);
if (timeout !== null) {
timer = setTimeout(() => {
timer = null;
cleanup();
reject(new Error('Timeout'));
}, timeout);
}
});
}
async _fetchAsset(url, json=false) {
const response = await fetch(chrome.runtime.getURL(url), {
method: 'GET',
mode: 'no-cors',
cache: 'default',
credentials: 'omit',
redirect: 'follow',
referrerPolicy: 'no-referrer'
});
if (!response.ok) {
throw new Error(`Failed to fetch ${url}: ${response.status}`);
}
return await (json ? response.json() : response.text());
}
_sendMessageIgnoreResponse(...args) {
const callback = () => this._checkLastError(chrome.runtime.lastError);
chrome.runtime.sendMessage(...args, callback);
}
_sendMessageTabIgnoreResponse(...args) {
const callback = () => this._checkLastError(chrome.runtime.lastError);
chrome.tabs.sendMessage(...args, callback);
}
_sendMessageAllTabsIgnoreResponse(action, params) {
const callback = () => this._checkLastError(chrome.runtime.lastError);
chrome.tabs.query({}, (tabs) => {
for (const tab of tabs) {
chrome.tabs.sendMessage(tab.id, {action, params}, callback);
}
});
}
_sendMessageTabPromise(...args) {
return new Promise((resolve, reject) => {
const callback = (response) => {
try {
resolve(this._getMessageResponseResult(response));
} catch (error) {
reject(error);
}
};
chrome.tabs.sendMessage(...args, callback);
});
}
_getMessageResponseResult(response) {
let error = chrome.runtime.lastError;
if (error) {
throw new Error(error.message);
}
if (!isObject(response)) {
throw new Error('Tab did not respond');
}
error = response.error;
if (error) {
throw deserializeError(error);
}
return response.result;
}
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;
}
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 = 'setAllVisibleOverride';
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 = 'clearAllVisibleOverride';
const params = {token};
try {
await this._sendMessageTabPromise(tabId, {action, params}, {frameId});
} catch (e) {
// NOP
}
}
}
}
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) {
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screenshotFileName = await this._injectAnkiNoteScreenshot(ankiConnect, timestamp, definitionDetails, screenshotDetails);
}
} catch (e) {
errors.push(serializeError(e));
}
try {
if (clipboardDetails !== null && clipboardDetails.image) {
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clipboardImageFileName = await this._injectAnkiNoteClipboardImage(ankiConnect, timestamp, definitionDetails);
}
} catch (e) {
errors.push(serializeError(e));
}
try {
if (clipboardDetails !== null && clipboardDetails.text) {
clipboardText = await this._clipboardReader.getText();
}
} catch (e) {
errors.push(serializeError(e));
}
try {
if (audioDetails !== null) {
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audioFileName = await this._injectAnkiNoteAudio(ankiConnect, timestamp, definitionDetails, audioDetails);
}
} catch (e) {
errors.push(serializeError(e));
}
let dictionaryMedia;
try {
let errors2;
({results: dictionaryMedia, errors: errors2} = await this._injectAnkiNoteDictionaryMedia(ankiConnect, timestamp, definitionDetails, dictionaryMediaDetails));
for (const error of errors2) {
errors.push(serializeError(error));
}
} catch (e) {
dictionaryMedia = [];
errors.push(serializeError(e));
}
return {
screenshotFileName,
clipboardImageFileName,
clipboardText,
audioFileName,
dictionaryMedia,
errors: errors
};
}
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async _injectAnkiNoteAudio(ankiConnect, timestamp, definitionDetails, details) {
const {type, term, reading} = definitionDetails;
if (
type === 'kanji' ||
typeof term !== 'string' ||
typeof reading !== 'string' ||
(term.length === 0 && reading.length === 0)
) {
return null;
}
const {sources, preferredAudioIndex} = details;
let data;
let contentType;
try {
({data, contentType} = await this._audioDownloader.downloadTermAudio(
sources,
preferredAudioIndex,
term,
reading
));
} catch (e) {
// No audio
return null;
}
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let extension = MediaUtil.getFileExtensionFromAudioMediaType(contentType);
if (extension === null) { extension = '.mp3'; }
let fileName = this._generateAnkiNoteMediaFileName('yomichan_audio', extension, timestamp, definitionDetails);
fileName = fileName.replace(/\]/g, '');
await ankiConnect.storeMediaFile(fileName, data);
return fileName;
}
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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);
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const extension = MediaUtil.getFileExtensionFromImageMediaType(mediaType);
if (extension === null) {
throw new Error('Unknown media type for screenshot image');
}
const fileName = this._generateAnkiNoteMediaFileName('yomichan_browser_screenshot', extension, timestamp, definitionDetails);
await ankiConnect.storeMediaFile(fileName, data);
return fileName;
}
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async _injectAnkiNoteClipboardImage(ankiConnect, timestamp, definitionDetails) {
const dataUrl = await this._clipboardReader.getImage();
if (dataUrl === null) {
return null;
}
const {mediaType, data} = this._getDataUrlInfo(dataUrl);
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const extension = MediaUtil.getFileExtensionFromImageMediaType(mediaType);
if (extension === null) {
throw new Error('Unknown media type for clipboard image');
}
const fileName = this._generateAnkiNoteMediaFileName('yomichan_clipboard_image', extension, timestamp, definitionDetails);
await ankiConnect.storeMediaFile(fileName, data);
return fileName;
}
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 = [];
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 = MediaUtil.getFileExtensionFromImageMediaType(mediaType);
fileName = this._generateAnkiNoteMediaFileName(`yomichan_dictionary_media_${i + 1}`, extension, timestamp, definitionDetails);
try {
await ankiConnect.storeMediaFile(fileName, content);
} catch (e) {
errors.push(e);
fileName = null;
}
}
results.push({dictionary, path, fileName});
}
return {results, errors};
}
_generateAnkiNoteMediaFileName(prefix, extension, timestamp, definitionDetails) {
let fileName = prefix;
switch (definitionDetails.type) {
case 'kanji':
{
const {character} = definitionDetails;
if (character) { fileName += `_${character}`; }
}
break;
default:
{
const {reading, term} = definitionDetails;
if (reading) { fileName += `_${reading}`; }
if (term) { fileName += `_${term}`; }
}
break;
}
fileName += `_${this._ankNoteDateToString(new Date(timestamp))}`;
fileName += extension;
fileName = this._replaceInvalidFileNameCharacters(fileName);
return fileName;
}
_replaceInvalidFileNameCharacters(fileName) {
// eslint-disable-next-line no-control-regex
return fileName.replace(/[<>:"/\\|?*\x00-\x1F]/g, '-');
}
_ankNoteDateToString(date) {
const year = date.getUTCFullYear();
const month = date.getUTCMonth().toString().padStart(2, '0');
const day = date.getUTCDate().toString().padStart(2, '0');
const hours = date.getUTCHours().toString().padStart(2, '0');
const minutes = date.getUTCMinutes().toString().padStart(2, '0');
const seconds = date.getUTCSeconds().toString().padStart(2, '0');
return `${year}-${month}-${day}-${hours}-${minutes}-${seconds}`;
}
_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};
}
_triggerDatabaseUpdated(type, cause) {
this._translator.clearDatabaseCaches();
this._sendMessageAllTabsIgnoreResponse('databaseUpdated', {type, cause});
}
async _saveOptions(source) {
this._clearProfileConditionsSchemaCache();
const options = this._getOptionsFull();
await this._optionsUtil.save(options);
this._applyOptions(source);
}
_getTranslatorFindTermsOptions(mode, details, options) {
const {wildcard} = details;
const enabledDictionaryMap = this._getTranslatorEnabledDictionaryMap(options);
const {
general: {mainDictionary},
scanning: {alphanumeric},
translation: {
convertHalfWidthCharacters,
convertNumericCharacters,
convertAlphabeticCharacters,
convertHiraganaToKatakana,
convertKatakanaToHiragana,
collapseEmphaticSequences,
textReplacements: textReplacementsOptions
}
} = 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
});
excludeDictionaryDefinitions = new Set();
excludeDictionaryDefinitions.add(mainDictionary);
}
return {
wildcard,
mainDictionary,
removeNonJapaneseCharacters: !alphanumeric,
convertHalfWidthCharacters,
convertNumericCharacters,
convertAlphabeticCharacters,
convertHiraganaToKatakana,
convertKatakanaToHiragana,
collapseEmphaticSequences,
textReplacements,
enabledDictionaryMap,
excludeDictionaryDefinitions
};
}
_getTranslatorFindKanjiOptions(options) {
const enabledDictionaryMap = this._getTranslatorEnabledDictionaryMap(options);
return {enabledDictionaryMap};
}
_getTranslatorEnabledDictionaryMap(options) {
const enabledDictionaryMap = new Map();
for (const dictionary of options.dictionaries) {
if (!dictionary.enabled) { continue; }
enabledDictionaryMap.set(dictionary.name, {
index: enabledDictionaryMap.size,
priority: dictionary.priority,
allowSecondarySearches: dictionary.allowSecondarySearches
});
}
return enabledDictionaryMap;
}
_getTranslatorTextReplacements(textReplacementsOptions) {
const textReplacements = [];
for (const group of textReplacementsOptions.groups) {
const textReplacementsEntries = [];
for (let {pattern, ignoreCase, replacement} of group) {
try {
pattern = new RegExp(pattern, ignoreCase ? 'gi' : 'g');
} catch (e) {
// Invalid pattern
continue;
}
textReplacementsEntries.push({pattern, replacement});
}
if (textReplacementsEntries.length > 0) {
textReplacements.push(textReplacementsEntries);
}
}
if (textReplacements.length === 0 || textReplacementsOptions.searchOriginal) {
textReplacements.unshift(null);
}
return textReplacements;
}
async _openWelcomeGuidePage() {
await this._createTab(chrome.runtime.getURL('/welcome.html'));
}
async _openInfoPage() {
await this._createTab(chrome.runtime.getURL('/info.html'));
}
async _openSettingsPage(mode) {
const manifest = chrome.runtime.getManifest();
const url = chrome.runtime.getURL(manifest.options_ui.page);
switch (mode) {
case 'existingOrNewTab':
await 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;
}
}
_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);
}
});
});
}
_injectStylesheet(type, value, target) {
if (isObject(chrome.tabs) && typeof chrome.tabs.insertCSS === 'function') {
return this._injectStylesheetMV2(type, value, target);
} else if (isObject(chrome.scripting) && typeof chrome.scripting.insertCSS === 'function') {
return this._injectStylesheetMV3(type, value, target);
} else {
return Promise.reject(new Error('insertCSS function not available'));
}
}
_injectStylesheetMV2(type, value, target) {
return new Promise((resolve, reject) => {
if (!target.tab) {
reject(new Error('Invalid tab'));
return;
}
const tabId = target.tab.id;
const frameId = target.frameId;
const details = (
type === 'file' ?
{
file: value,
runAt: 'document_start',
cssOrigin: 'author',
allFrames: false,
matchAboutBlank: true
} :
{
code: value,
runAt: 'document_start',
cssOrigin: 'user',
allFrames: false,
matchAboutBlank: true
}
);
if (typeof frameId === 'number') {
details.frameId = frameId;
}
chrome.tabs.insertCSS(tabId, details, () => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
resolve();
}
});
});
}
_injectStylesheetMV3(type, value, target) {
return new Promise((resolve, reject) => {
if (!target.tab) {
reject(new Error('Invalid tab'));
return;
}
const tabId = target.tab.id;
const frameId = target.frameId;
const details = (
type === 'file' ?
{origin: chrome.scripting.StyleOrigin.AUTHOR, files: [value]} :
{origin: chrome.scripting.StyleOrigin.USER, css: value}
);
details.target = {
tabId,
allFrames: false
};
if (typeof frameId === 'number') {
details.target.frameIds = [frameId];
}
chrome.scripting.insertCSS(details, () => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
resolve();
}
});
});
}
_injectScript(file, tabId, frameId) {
if (isObject(chrome.tabs) && typeof chrome.tabs.executeScript === 'function') {
return this._injectScriptMV2(file, tabId, frameId);
} else if (isObject(chrome.scripting) && typeof chrome.scripting.executeScript === 'function') {
return this._injectScriptMV3(file, tabId, frameId);
} else {
return Promise.reject(new Error('executeScript function not available'));
}
}
_injectScriptMV2(file, tabId, frameId) {
return new Promise((resolve, reject) => {
const details = {
allFrames: false,
frameId,
file,
matchAboutBlank: true,
runAt: 'document_start'
};
const callback = (results) => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
const result = results[0];
resolve({frameId, result});
}
};
chrome.tabs.executeScript(tabId, details, callback);
});
}
_injectScriptMV3(file, tabId, frameId) {
return new Promise((resolve, reject) => {
const details = {
files: [file],
target: {
allFrames: false,
frameIds: [frameId],
tabId
}
};
const callback = (results) => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
const {frameId: frameId2, result} = results[0];
resolve({frameId: frameId2, result});
}
};
chrome.scripting.executeScript(details, callback);
});
}
_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);
}
}
);
});
}
async _checkPermissions() {
this._permissions = await this._permissionsUtil.getAllPermissions();
this._updateBadge();
}
_canObservePermissionsChanges() {
return isObject(chrome.permissions) && isObject(chrome.permissions.onAdded) && isObject(chrome.permissions.onRemoved);
}
_hasRequiredPermissionsForSettings(options) {
if (!this._canObservePermissionsChanges()) { return true; }
return this._permissions === null || this._permissionsUtil.hasRequiredPermissionsForOptions(this._permissions, options);
}
async _requestPersistentStorage() {
try {
if (await navigator.storage.persisted()) { return; }
// Only request this permission for Firefox versions >= 77.
// https://bugzilla.mozilla.org/show_bug.cgi?id=1630413
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
}
}
async _updateTabAccessibility(url, tab, frameId) {
let file = null;
switch (new URL(url).hostname) {
case 'docs.google.com':
{
const optionsContext = {depth: 0, url};
const options = this._getProfileOptions(optionsContext);
if (!options.accessibility.forceGoogleDocsHtmlRendering) { return; }
file = 'js/accessibility/google-docs.js';
}
break;
}
if (file === null) { return; }
return await this._injectScript(file, tab.id, frameId);
}
async _getNormalizedDictionaryDatabaseMedia(targets) {
const results = await this._dictionaryDatabase.getMedia(targets);
for (const item of results) {
const {content} = item;
if (content instanceof ArrayBuffer) {
item.content = StringUtil.arrayBufferToBase64(content);
}
}
return results;
}
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}