/* * Copyright (C) 2016-2021 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 <https://www.gnu.org/licenses/>. */ /* global * AnkiConnect * AudioDownloader * ClipboardMonitor * ClipboardReader * DictionaryDatabase * Environment * JapaneseUtil * JsonSchemaValidator * Mecab * MediaUtility * ObjectPropertyAccessor * OptionsUtil * ProfileConditions * RequestBuilder * Translator * wanakana */ class Backend { 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._mediaUtility = new MediaUtility(); this._clipboardReader = new ClipboardReader({ // eslint-disable-next-line no-undef document: (typeof document === 'object' && document !== null ? document : null), pasteTargetSelector: '#clipboard-paste-target', imagePasteTargetSelector: '#clipboard-image-paste-target', mediaUtility: this._mediaUtility }); this._clipboardMonitor = new ClipboardMonitor({ japaneseUtil: this._japaneseUtil, clipboardReader: this._clipboardReader }); this._options = null; this._profileConditionsSchemaValidator = new JsonSchemaValidator(); this._profileConditionsSchemaCache = []; this._profileConditionsUtil = new ProfileConditions(); 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; 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._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)}], ['textParse', {async: true, contentScript: true, handler: this._onApiTextParse.bind(this)}], ['getAnkiConnectVersion', {async: true, contentScript: true, handler: this._onApGetAnkiConnectVersion.bind(this)}], ['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)}], ['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)}], ['getExpressionAudioInfoList', {async: true, contentScript: true, handler: this._onApiGetExpressionAudioInfoList.bind(this)}], ['downloadDefinitionAudio', {async: true, contentScript: true, handler: this._onApiDownloadDefinitionAudio.bind(this)}], ['screenshotGet', {async: true, contentScript: true, handler: this._onApiScreenshotGet.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)}], ['clipboardGetImage', {async: true, contentScript: true, handler: this._onApiClipboardImageGet.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: false, handler: this._onApiGetDictionaryInfo.bind(this)}], ['getDictionaryCounts', {async: true, contentScript: false, handler: this._onApiGetDictionaryCounts.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)}] ]); this._messageHandlersWithProgress = new Map([ ]); 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)] ]); } 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); } async _prepareInternal() { try { this._prepareInternalSync(); this._defaultBrowserActionTitle = await this._getBrowserIconTitle(); this._badgePrepareDelayTimer = setTimeout(() => { this._badgePrepareDelayTimer = null; this._updateBadge(); }, 1000); this._updateBadge(); 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) { yomichan.logError(e); } const deinflectionReasions = await this._fetchAsset('/bg/lang/deinflect.json', true); this._translator.prepare(deinflectionReasions); await this._optionsUtil.prepare(); this._defaultAnkiFieldTemplates = (await this._fetchAsset('/bg/data/default-anki-field-templates.handlebars')).trim(); this._options = await this._optionsUtil.load(); this._applyOptions('background'); const options = this._getProfileOptions({current: true}); if (options.general.showGuide) { this._openWelcomeGuidePage(); } this._clipboardMonitor.on('change', this._onClipboardTextChange.bind(this)); this._sendMessageAllTabsIgnoreResponse('backendReady', {}); this._sendMessageIgnoreResponse({action: 'backendReady', params: {}}); } catch (e) { yomichan.logError(e); throw e; } finally { if (this._badgePrepareDelayTimer !== null) { clearTimeout(this._badgePrepareDelayTimer); this._badgePrepareDelayTimer = null; } } } // Event handlers async _onClipboardTextChange({text}) { const {general: {maximumClipboardSearchLength}} = this._getProfileOptions({current: true}); if (text.length > maximumClipboardSearchLength) { text = text.substring(0, maximumClipboardSearchLength); } 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(); } // 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; } } return yomichan.invokeMessageHandler(messageHandler, params, callback, sender); } _onConnect(port) { try { let details; try { details = JSON.parse(port.name); } catch (e) { return; } if (details.name !== 'background-cross-frame-communication-port') { return; } const tabId = (port.sender && port.sender.tab ? port.sender.tab.id : null); if (typeof tabId !== '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 = tabId; } const details2 = { name: 'cross-frame-communication-port', 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(); yomichan.logError(e); } } _onZoomChange({tabId, oldZoomFactor, newZoomFactor}) { this._sendMessageTabIgnoreResponse(tabId, {action: 'zoomChanged', params: {oldZoomFactor, newZoomFactor}}); } // Message handlers _onApiRequestBackendReadySignal(_params, sender) { // tab ID isn't set in background (e.g. browser_action) const data = {action: 'backendReady', params: {}}; if (typeof sender.tab === 'undefined') { this._sendMessageIgnoreResponse(data); return false; } else { this._sendMessageTabIgnoreResponse(sender.tab.id, data); return true; } } _onApiOptionsGet({optionsContext}) { return this._getProfileOptions(optionsContext); } _onApiOptionsGetFull() { return this._getOptionsFull(); } async _onApiKanjiFind({text, optionsContext}) { const options = this._getProfileOptions(optionsContext); const {general: {maxResults}} = options; const findKanjiOptions = this._getTranslatorFindKanjiOptions(options); const definitions = await this._translator.findKanji(text, findKanjiOptions); definitions.splice(maxResults); return definitions; } async _onApiTermsFind({text, details, optionsContext}) { const options = this._getProfileOptions(optionsContext); const {general: {resultOutputMode: mode, maxResults}} = options; const findTermsOptions = this._getTranslatorFindTermsOptions(details, options); const [definitions, length] = await this._translator.findTerms(mode, text, findTermsOptions); definitions.splice(maxResults); return {length, definitions}; } async _onApiTextParse({text, optionsContext}) { const options = this._getProfileOptions(optionsContext); const results = []; if (options.parsing.enableScanningParser) { results.push({ source: 'scanning-parser', id: 'scan', content: await this._textParseScanning(text, options) }); } if (options.parsing.enableMecabParser) { const mecabResults = await this._textParseMecab(text, options); for (const [mecabDictName, mecabDictResults] of mecabResults) { results.push({ source: 'mecab', dictionary: mecabDictName, id: `mecab-${mecabDictName}`, content: mecabDictResults }); } } return results; } async _onApGetAnkiConnectVersion() { return await this._anki.getVersion(); } async _onApiIsAnkiConnected() { return await this._anki.isConnected(); } async _onApiAddAnkiNote({note}) { return await this._anki.addNote(note); } async _onApiGetAnkiNoteInfo({notes}) { const results = []; const cannotAdd = []; const canAddArray = await this._anki.canAddNotes(notes); for (let i = 0; i < notes.length; ++i) { const note = notes[i]; const canAdd = canAddArray[i]; const info = {canAdd, noteIds: null}; results.push(info); if (!canAdd) { 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; } } } return results; } async _onApiInjectAnkiNoteMedia({timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails}, sender) { if (isObject(screenshotDetails)) { const {id: tabId, windowId} = (sender && sender.tab ? sender.tab : {}); screenshotDetails = Object.assign({}, screenshotDetails, {tabId, windowId}); } return await this._injectAnkNoteMedia( this._anki, timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails ); } async _onApiNoteView({noteId}) { return await this._anki.guiBrowseNote(noteId); } 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}) { return this._runCommand(command, params); } async _onApiGetExpressionAudioInfoList({source, expression, reading, details}) { return await this._audioDownloader.getExpressionAudioInfoList(source, expression, reading, details); } async _onApiDownloadDefinitionAudio({sources, expression, reading, details}) { return await this._downloadDefinitionAudio(sources, expression, reading, details); } _onApiScreenshotGet({options}, sender) { if (!(sender && sender.tab)) { return Promise.resolve(); } const windowId = sender.tab.windowId; return new Promise((resolve, reject) => { chrome.tabs.captureVisibleTab(windowId, options, (dataUrl) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(dataUrl); } }); }); } _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; } _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; } _onApiFrameInformationGet(params, sender) { const frameId = sender.frameId; return Promise.resolve({frameId}); } _onApiInjectStylesheet({type, value}, sender) { return this._injectStylesheet(type, value, sender); } 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(); } async _onApiClipboardGet() { return this._clipboardReader.getText(); } async _onApiClipboardImageGet() { return this._clipboardReader.getImage(); } async _onApiGetDisplayTemplatesHtml() { return await this._fetchAsset('/mixed/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 _onApiGetDictionaryCounts({dictionaryNames, getTotal}) { return await this._dictionaryDatabase.getDictionaryCounts(dictionaryNames, getTotal); } async _onApiPurgeDatabase() { await this._dictionaryDatabase.purge(); this._triggerDatabaseUpdated('dictionary', 'purge'); } async _onApiGetMedia({targets}) { return await this._dictionaryDatabase.getMedia(targets); } _onApiLog({error, level, context}) { yomichan.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; 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('/bg/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); } // Command handlers async _onCommandOpenSearchPage(params) { const {mode='existingOrNewTab', query} = params || {}; const baseUrl = chrome.runtime.getURL('/bg/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 isTabMatch = (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 tab = await this._findTab(1000, isTabMatch); if (tab !== null) { 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() { // Reuse same tab const baseUrl = chrome.runtime.getURL('/bg/search.html'); if (this._searchPopupTabId !== null) { const tab = await this._checkTabUrl(this._searchPopupTabId, (url) => url.startsWith(baseUrl)); if (tab !== null) { return {tab, created: false}; } this._searchPopupTabId = null; } // 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}; } _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; if (options.parsing.enableMecabParser) { this._mecab.startListener(); } else { this._mecab.stopListener(); } if (options.general.enableClipboardPopups) { 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) { return profiles[options.profileCurrent]; } if (typeof optionsContext.index === 'number') { return profiles[optionsContext.index]; } const profile = this._getProfileFromContext(options, optionsContext); return profile !== null ? profile : profiles[options.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 && this._profileConditionsSchemaValidator.isValid(optionsContext, schema)) { return profile; } ++index; } return null; } _clearProfileConditionsSchemaCache() { this._profileConditionsSchemaCache = []; this._profileConditionsSchemaValidator.clearCache(); } _checkLastError() { // NOP } _runCommand(command, params) { const handler = this._commandHandlers.get(command); if (typeof handler !== 'function') { return false; } handler(params); return true; } async _textParseScanning(text, options) { const jp = this._japaneseUtil; const {scanning: {length: scanningLength}, parsing: {readingMode}} = options; const findTermsOptions = this._getTranslatorFindTermsOptions({wildcard: null}, options); const results = []; while (text.length > 0) { const term = []; const [definitions, sourceLength] = await this._translator.findTerms( 'simple', text.substring(0, scanningLength), findTermsOptions ); if (definitions.length > 0 && sourceLength > 0) { const {expression, reading} = definitions[0]; const source = text.substring(0, sourceLength); for (const {text: text2, furigana} of jp.distributeFuriganaInflected(expression, reading, source)) { const reading2 = jp.convertReading(text2, furigana, readingMode); term.push({text: text2, reading: reading2}); } text = text.substring(source.length); } else { const reading = jp.convertReading(text[0], '', readingMode); term.push({text: text[0], reading}); text = text.substring(1); } results.push(term); } return results; } async _textParseMecab(text, options) { const jp = this._japaneseUtil; const {parsing: {readingMode}} = options; const results = []; const rawResults = await this._mecab.parseText(text); for (const [mecabName, parsedLines] of Object.entries(rawResults)) { const result = []; for (const parsedLine of parsedLines) { for (const {expression, reading, source} of parsedLine) { const term = []; for (const {text: text2, furigana} of jp.distributeFuriganaInflected( expression.length > 0 ? expression : source, jp.convertKatakanaToHiragana(reading), source )) { const reading2 = jp.convertReading(text2, furigana, readingMode); term.push({text: text2, reading: reading2}); } result.push(term); } result.push([{text: '\n', reading: ''}]); } results.push([mecabName, 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); } default: throw new Error(`Unknown action: ${action}`); } } _validatePrivilegedMessageSender(sender) { const url = sender.url; if (!(typeof url === 'string' && yomichan.isExtensionUrl(url))) { throw new Error('Invalid message sender'); } } _getBrowserIconTitle() { return ( isObject(chrome.browserAction) && typeof chrome.browserAction.getTitle === 'function' ? new Promise((resolve) => chrome.browserAction.getTitle({}, resolve)) : Promise.resolve('') ); } _updateBadge() { let title = this._defaultBrowserActionTitle; if (title === null || !isObject(chrome.browserAction)) { // Not ready or invalid return; } let text = ''; let color = null; let status = null; if (this._logErrorLevel !== null) { switch (this._logErrorLevel) { case 'error': text = '!!'; color = '#f04e4e'; status = 'Error'; break; default: // 'warn' text = '!'; color = '#f0ad4e'; status = 'Warning'; break; } } else if (!this._isPrepared) { if (this._prepareError) { text = '!!'; color = '#f04e4e'; status = 'Error'; } else if (this._badgePrepareDelayTimer === null) { text = '...'; color = '#f0ad4e'; status = 'Loading'; } } else if (!this._anyOptionsMatches((options) => options.general.enable)) { text = 'off'; color = '#555555'; status = 'Disabled'; } else if (!this._anyOptionsMatches((options) => this._isAnyDictionaryEnabled(options))) { text = '!'; color = '#f0ad4e'; status = 'No dictionaries installed'; } if (color !== null && typeof chrome.browserAction.setBadgeBackgroundColor === 'function') { chrome.browserAction.setBadgeBackgroundColor({color}); } if (text !== null && typeof chrome.browserAction.setBadgeText === 'function') { chrome.browserAction.setBadgeText({text}); } if (typeof chrome.browserAction.setTitle === 'function') { if (status !== null) { title = `${title} - ${status}`; } chrome.browserAction.setTitle({title}); } } _isAnyDictionaryEnabled(options) { for (const {enabled} of Object.values(options.dictionaries)) { if (enabled) { return true; } } return false; } _anyOptionsMatches(predicate) { for (const {options} of this._options.profiles) { 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; } async _findTab(timeout, checkUrl) { // This function works around the need to have the "tabs" permission to access tab.url. const tabs = await new Promise((resolve) => chrome.tabs.query({}, resolve)); const {promise: matchPromise, resolve: matchPromiseResolve} = deferPromise(); const checkTabUrl = ({tab, url}) => { if (checkUrl(url, tab)) { matchPromiseResolve(tab); } }; const promises = []; for (const tab of tabs) { const promise = this._getTabUrl(tab.id); promise.then((url) => checkTabUrl({url, tab})); promises.push(promise); } const racePromises = [ matchPromise, Promise.all(promises).then(() => null) ]; if (typeof timeout === 'number') { racePromises.push(new Promise((resolve) => setTimeout(() => resolve(null), timeout))); } return await Promise.race(racePromises); } async _focusTab(tab) { await new Promise((resolve, reject) => { chrome.tabs.update(tab.id, {active: true}, () => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(); } }); }); if (!(typeof chrome.windows === 'object' && chrome.windows !== null)) { // Windows not supported (e.g. on Firefox mobile) return; } try { const tabWindow = await new Promise((resolve, reject) => { chrome.windows.get(tab.windowId, {}, (value) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(value); } }); }); if (!tabWindow.focused) { await 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. } } _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(yomichan.getMessageResponseResult(response)); } catch (error) { reject(error); } }; chrome.tabs.sendMessage(...args, callback); }); } async _checkTabUrl(tabId, urlPredicate) { const tab = await new Promise((resolve) => { chrome.tabs.get( tabId, (result) => { resolve(chrome.runtime.lastError ? null : result); } ); }); if (tab === null) { return null; } const url = await this._getTabUrl(tabId); const isValidTab = urlPredicate(url); return isValidTab ? tab : null; } async _getScreenshot(windowId, tabId, ownerFrameId, format, quality) { if (typeof windowId !== 'number') { throw new Error('Invalid window ID'); } let token = null; try { if (typeof tabId === 'number' && typeof ownerFrameId === 'number') { const action = 'setAllVisibleOverride'; const params = {value: false, priority: 0, awaitFrame: true}; token = await this._sendMessageTabPromise(tabId, {action, params}, {frameId: ownerFrameId}); } 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: ownerFrameId}); } catch (e) { // NOP } } } } async _downloadDefinitionAudio(sources, expression, reading, details) { return await this._audioDownloader.downloadExpressionAudio(sources, expression, reading, details); } async _injectAnkNoteMedia(ankiConnect, timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails) { let screenshotFileName = null; let clipboardImageFileName = null; let clipboardText = null; let audioFileName = null; try { if (screenshotDetails !== null) { screenshotFileName = await this._injectAnkNoteScreenshot(ankiConnect, timestamp, definitionDetails, screenshotDetails); } } catch (e) { // NOP } try { if (clipboardDetails !== null && clipboardDetails.image) { clipboardImageFileName = await this._injectAnkNoteClipboardImage(ankiConnect, timestamp, definitionDetails); } } catch (e) { // NOP } try { if (clipboardDetails !== null && clipboardDetails.text) { clipboardText = await this._clipboardReader.getText(); } } catch (e) { // NOP } try { if (audioDetails !== null) { audioFileName = await this._injectAnkNoteAudio(ankiConnect, timestamp, definitionDetails, audioDetails); } } catch (e) { // NOP } return {screenshotFileName, clipboardImageFileName, clipboardText, audioFileName}; } async _injectAnkNoteAudio(ankiConnect, timestamp, definitionDetails, details) { const {type, expression, reading} = definitionDetails; if (type === 'kanji') { throw new Error('Cannot inject audio for kanji'); } if (!reading && !expression) { throw new Error('Invalid reading and expression'); } const {sources, customSourceUrl} = details; const data = await this._downloadDefinitionAudio( sources, expression, reading, { textToSpeechVoice: null, customSourceUrl, binary: true, disableCache: true } ); let fileName = this._generateAnkiNoteMediaFileName('yomichan_audio', '.mp3', timestamp, definitionDetails); fileName = fileName.replace(/\]/g, ''); await ankiConnect.storeMediaFile(fileName, data); return fileName; } async _injectAnkNoteScreenshot(ankiConnect, timestamp, definitionDetails, details) { const {windowId, tabId, ownerFrameId, format, quality} = details; const dataUrl = await this._getScreenshot(windowId, tabId, ownerFrameId, format, quality); const {mediaType, data} = this._getDataUrlInfo(dataUrl); const extension = this._mediaUtility.getFileExtensionFromImageMediaType(mediaType); if (extension === null) { throw new Error('Unknown image media type'); } const fileName = this._generateAnkiNoteMediaFileName('yomichan_browser_screenshot', extension, timestamp, definitionDetails); await ankiConnect.storeMediaFile(fileName, data); return fileName; } async _injectAnkNoteClipboardImage(ankiConnect, timestamp, definitionDetails) { const dataUrl = await this._clipboardReader.getImage(); if (dataUrl === null) { throw new Error('No clipboard image'); } const {mediaType, data} = this._getDataUrlInfo(dataUrl); const extension = this._mediaUtility.getFileExtensionFromImageMediaType(mediaType); if (extension === null) { throw new Error('Unknown image media type'); } const fileName = this._generateAnkiNoteMediaFileName('yomichan_clipboard_image', extension, timestamp, definitionDetails); await ankiConnect.storeMediaFile(fileName, data); return fileName; } _generateAnkiNoteMediaFileName(prefix, extension, timestamp, definitionDetails) { let fileName = prefix; switch (definitionDetails.type) { case 'kanji': { const {character} = definitionDetails; if (character) { fileName += `_${character}`; } } break; default: { const {reading, expression} = definitionDetails; if (reading) { fileName += `_${reading}`; } if (expression) { fileName += `_${expression}`; } } break; } fileName += `_${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(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); return { wildcard, mainDictionary, alphanumeric, convertHalfWidthCharacters, convertNumericCharacters, convertAlphabeticCharacters, convertHiraganaToKatakana, convertKatakanaToHiragana, collapseEmphaticSequences, textReplacements, enabledDictionaryMap }; } _getTranslatorFindKanjiOptions(options) { const enabledDictionaryMap = this._getTranslatorEnabledDictionaryMap(options); return {enabledDictionaryMap}; } _getTranslatorEnabledDictionaryMap(options) { const enabledDictionaryMap = new Map(); for (const [title, {enabled, priority, allowSecondarySearches}] of Object.entries(options.dictionaries)) { if (!enabled) { continue; } enabledDictionaryMap.set(title, {priority, 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('/bg/welcome.html')); } async _openInfoPage() { await this._createTab(chrome.runtime.getURL('/bg/info.html')); } async _openSettingsPage(mode) { const {useSettingsV2} = this._options.global; const manifest = chrome.runtime.getManifest(); const url = chrome.runtime.getURL(useSettingsV2 ? '/bg/settings2.html' : manifest.options_ui.page); switch (mode) { case 'existingOrNewTab': if (useSettingsV2) { const tab = await this._findTab(1000, (url2) => url2.startsWith(url)); if (tab !== null) { await this._focusTab(tab); } else { await this._createTab(url); } } else { 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(); } }); }); } }