yomichan/ext/bg/js/backend.js

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/*
* Copyright (C) 2016-2020 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
* AnkiNoteBuilder
* AudioSystem
* AudioUriBuilder
* ClipboardMonitor
* DictionaryDatabase
* Environment
* JsonSchemaValidator
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* Mecab
* ObjectPropertyAccessor
* OptionsUtil
* ProfileConditions
* RequestBuilder
* TemplateRenderer
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* Translator
* jp
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*/
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class Backend {
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constructor() {
this._environment = new Environment();
this._dictionaryDatabase = new DictionaryDatabase();
this._translator = new Translator(this._dictionaryDatabase);
this._anki = new AnkiConnect();
this._mecab = new Mecab();
this._clipboardMonitor = new ClipboardMonitor({getClipboard: this._onApiClipboardGet.bind(this)});
this._options = null;
this._optionsSchema = null;
this._optionsSchemaValidator = new JsonSchemaValidator();
this._profileConditionsSchemaCache = [];
this._profileConditionsUtil = new ProfileConditions();
this._defaultAnkiFieldTemplates = null;
this._requestBuilder = new RequestBuilder();
this._audioUriBuilder = new AudioUriBuilder({
requestBuilder: this._requestBuilder
});
this._audioSystem = new AudioSystem({
audioUriBuilder: this._audioUriBuilder,
requestBuilder: this._requestBuilder,
useCache: false
});
this._ankiNoteBuilder = new AnkiNoteBuilder({
anki: this._anki,
audioSystem: this._audioSystem,
renderTemplate: this._renderTemplate.bind(this)
});
this._templateRenderer = new TemplateRenderer();
this._clipboardPasteTarget = (
typeof document === 'object' && document !== null ?
document.querySelector('#clipboard-paste-target') :
null
);
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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;
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this._messageHandlers = new Map([
['requestBackendReadySignal', {async: false, contentScript: true, handler: this._onApiRequestBackendReadySignal.bind(this)}],
['optionsSchemaGet', {async: false, contentScript: true, handler: this._onApiOptionsSchemaGet.bind(this)}],
['optionsGet', {async: false, contentScript: true, handler: this._onApiOptionsGet.bind(this)}],
['optionsGetFull', {async: false, contentScript: true, handler: this._onApiOptionsGetFull.bind(this)}],
['optionsSave', {async: true, contentScript: true, handler: this._onApiOptionsSave.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)}],
['definitionAdd', {async: true, contentScript: true, handler: this._onApiDefinitionAdd.bind(this)}],
['definitionsAddable', {async: true, contentScript: true, handler: this._onApiDefinitionsAddable.bind(this)}],
['noteView', {async: true, contentScript: true, handler: this._onApiNoteView.bind(this)}],
['templateRender', {async: true, contentScript: true, handler: this._onApiTemplateRender.bind(this)}],
['commandExec', {async: false, contentScript: true, handler: this._onApiCommandExec.bind(this)}],
['audioGetUri', {async: true, contentScript: true, handler: this._onApiAudioGetUri.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)}],
['getDisplayTemplatesHtml', {async: true, contentScript: true, handler: this._onApiGetDisplayTemplatesHtml.bind(this)}],
['getQueryParserTemplatesHtml', {async: true, contentScript: true, handler: this._onApiGetQueryParserTemplatesHtml.bind(this)}],
['getZoom', {async: true, contentScript: true, handler: this._onApiGetZoom.bind(this)}],
['getDefaultAnkiFieldTemplates', {async: false, contentScript: true, handler: this._onApiGetDefaultAnkiFieldTemplates.bind(this)}],
['getAnkiDeckNames', {async: true, contentScript: false, handler: this._onApiGetAnkiDeckNames.bind(this)}],
['getAnkiModelNames', {async: true, contentScript: false, handler: this._onApiGetAnkiModelNames.bind(this)}],
['getAnkiModelFieldNames', {async: true, contentScript: false, handler: this._onApiGetAnkiModelFieldNames.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)}]
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]);
this._messageHandlersWithProgress = new Map([
['deleteDictionary', {async: true, contentScript: false, handler: this._onApiDeleteDictionary.bind(this)}]
]);
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this._commandHandlers = new Map([
['search', this._onCommandSearch.bind(this)],
['help', this._onCommandHelp.bind(this)],
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['options', this._onCommandOptions.bind(this)],
['toggle', this._onCommandToggle.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;
}
_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() {
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try {
this._prepareInternalSync();
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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._environment.prepare();
try {
await this._dictionaryDatabase.prepare();
} catch (e) {
yomichan.logError(e);
}
await this._translator.prepare();
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this._optionsSchema = await this._fetchAsset('/bg/data/options-schema.json', true);
this._defaultAnkiFieldTemplates = (await this._fetchAsset('/bg/data/default-anki-field-templates.handlebars')).trim();
this._options = await OptionsUtil.load();
this._options = this._optionsSchemaValidator.getValidValueOrDefault(this._optionsSchema, this._options);
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this._applyOptions('background');
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const options = this.getOptions({current: true});
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if (options.general.showGuide) {
chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')});
}
this._clipboardMonitor.on('change', this._onClipboardTextChange.bind(this));
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this._sendMessageAllTabs('backendReady');
const callback = () => this._checkLastError(chrome.runtime.lastError);
chrome.runtime.sendMessage({action: 'backendReady'}, callback);
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} catch (e) {
yomichan.logError(e);
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throw e;
} finally {
if (this._badgePrepareDelayTimer !== null) {
clearTimeout(this._badgePrepareDelayTimer);
this._badgePrepareDelayTimer = null;
}
}
}
isPrepared() {
return this._isPrepared;
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}
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getFullOptions(useSchema=false) {
const options = this._options;
return useSchema ? this._optionsSchemaValidator.createProxy(options, this._optionsSchema) : options;
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}
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getOptions(optionsContext, useSchema=false) {
return this._getProfile(optionsContext, useSchema).options;
}
// Event handlers
async _onClipboardTextChange({text}) {
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: errorToJson(error)});
return false;
}
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}
return yomichan.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 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}) {
const callback = () => this._checkLastError(chrome.runtime.lastError);
chrome.tabs.sendMessage(tabId, {action: 'zoomChanged', params: {oldZoomFactor, newZoomFactor}}, callback);
}
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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 callback = () => this._checkLastError(chrome.runtime.lastError);
const data = {action: 'backendReady'};
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if (typeof sender.tab === 'undefined') {
chrome.runtime.sendMessage(data, callback);
return false;
} else {
chrome.tabs.sendMessage(sender.tab.id, data, callback);
return true;
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}
}
_onApiOptionsSchemaGet() {
return this._optionsSchema;
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}
_onApiOptionsGet({optionsContext}) {
return this.getOptions(optionsContext);
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}
_onApiOptionsGetFull() {
return this.getFullOptions();
}
async _onApiOptionsSave({source}) {
this._clearProfileConditionsSchemaCache();
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const options = this.getFullOptions();
await OptionsUtil.save(options);
this._applyOptions(source);
}
async _onApiKanjiFind({text, optionsContext}) {
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const options = this.getOptions(optionsContext);
const definitions = await this._translator.findKanji(text, options);
definitions.splice(options.general.maxResults);
return definitions;
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}
async _onApiTermsFind({text, details, optionsContext}) {
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const options = this.getOptions(optionsContext);
const mode = options.general.resultOutputMode;
const [definitions, length] = await this._translator.findTerms(mode, text, details, options);
definitions.splice(options.general.maxResults);
return {length, definitions};
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}
async _onApiTextParse({text, optionsContext}) {
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const options = this.getOptions(optionsContext);
const results = [];
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if (options.parsing.enableScanningParser) {
results.push({
source: 'scanning-parser',
id: 'scan',
content: await this._textParseScanning(text, options)
});
}
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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
});
}
}
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return results;
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}
async _onApiDefinitionAdd({definition, mode, context, details, optionsContext}) {
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const options = this.getOptions(optionsContext);
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const templates = this._getTemplates(options);
if (mode !== 'kanji') {
const {customSourceUrl} = options.audio;
await this._ankiNoteBuilder.injectAudio(
definition,
options.anki.terms.fields,
options.audio.sources,
customSourceUrl
);
}
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if (details && details.screenshot) {
await this._ankiNoteBuilder.injectScreenshot(
definition,
options.anki.terms.fields,
details.screenshot
);
}
const note = await this._ankiNoteBuilder.createNote(definition, mode, context, options, templates);
return this._anki.addNote(note);
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}
async _onApiDefinitionsAddable({definitions, modes, context, optionsContext}) {
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const options = this.getOptions(optionsContext);
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const templates = this._getTemplates(options);
const states = [];
try {
const notePromises = [];
for (const definition of definitions) {
for (const mode of modes) {
const notePromise = this._ankiNoteBuilder.createNote(definition, mode, context, options, templates);
notePromises.push(notePromise);
}
}
const notes = await Promise.all(notePromises);
const cannotAdd = [];
const results = await this._anki.canAddNotes(notes);
for (let resultBase = 0; resultBase < results.length; resultBase += modes.length) {
const state = {};
for (let modeOffset = 0; modeOffset < modes.length; ++modeOffset) {
const index = resultBase + modeOffset;
const result = results[index];
const info = {canAdd: result};
state[modes[modeOffset]] = info;
if (!result) {
cannotAdd.push([notes[index], info]);
}
}
states.push(state);
}
if (cannotAdd.length > 0) {
const noteIdsArray = await this._anki.findNoteIds(cannotAdd.map((e) => e[0]), options.anki.duplicateScope);
for (let i = 0, ii = Math.min(cannotAdd.length, noteIdsArray.length); i < ii; ++i) {
const noteIds = noteIdsArray[i];
if (noteIds.length > 0) {
cannotAdd[i][1].noteId = noteIds[0];
}
}
}
} catch (e) {
// NOP
}
return states;
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}
async _onApiNoteView({noteId}) {
return await this._anki.guiBrowse(`nid:${noteId}`);
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}
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async _onApiTemplateRender({template, data, marker}) {
return this._renderTemplate(template, data, marker);
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}
_onApiCommandExec({command, params}) {
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return this._runCommand(command, params);
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}
async _onApiAudioGetUri({definition, source, details}) {
return await this._audioUriBuilder.getUri(definition, source, details);
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}
_onApiScreenshotGet({options}, sender) {
if (!(sender && sender.tab)) {
return Promise.resolve();
}
const windowId = sender.tab.windowId;
return new Promise((resolve) => {
chrome.tabs.captureVisibleTab(windowId, options, (dataUrl) => resolve(dataUrl));
});
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}
_onApiSendMessageToFrame({frameId: targetFrameId, action, params}, sender) {
if (!(sender && sender.tab)) {
return false;
}
const tabId = sender.tab.id;
const frameId = sender.frameId;
const callback = () => this._checkLastError(chrome.runtime.lastError);
chrome.tabs.sendMessage(tabId, {action, params, frameId}, {frameId: targetFrameId}, callback);
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;
const callback = () => this._checkLastError(chrome.runtime.lastError);
chrome.tabs.sendMessage(tabId, {action, params, frameId}, callback);
return true;
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}
_onApiFrameInformationGet(params, sender) {
const frameId = sender.frameId;
return Promise.resolve({frameId});
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}
_onApiInjectStylesheet({type, value}, sender) {
if (!sender.tab) {
return Promise.reject(new Error('Invalid tab'));
}
const tabId = sender.tab.id;
const frameId = sender.frameId;
const details = (
type === 'file' ?
{
file: value,
runAt: 'document_start',
cssOrigin: 'author',
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allFrames: false,
matchAboutBlank: true
} :
{
code: value,
runAt: 'document_start',
cssOrigin: 'user',
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allFrames: false,
matchAboutBlank: true
}
);
if (typeof frameId === 'number') {
details.frameId = frameId;
}
return new Promise((resolve, reject) => {
chrome.tabs.insertCSS(tabId, details, () => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
resolve();
}
});
});
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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() {
/*
Notes:
document.execCommand('paste') doesn't work on Firefox.
This may be a bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1603985
Therefore, navigator.clipboard.readText() is used on Firefox.
navigator.clipboard.readText() can't be used in Chrome for two reasons:
* Requires page to be focused, else it rejects with an exception.
* When the page is focused, Chrome will request clipboard permission, despite already
being an extension with clipboard permissions. It effectively asks for the
non-extension permission for clipboard access.
*/
const {browser} = this._environment.getInfo();
if (browser === 'firefox' || browser === 'firefox-mobile') {
return await navigator.clipboard.readText();
} else {
const clipboardPasteTarget = this._clipboardPasteTarget;
if (clipboardPasteTarget === null) {
throw new Error('Reading the clipboard is not supported in this context');
}
clipboardPasteTarget.value = '';
clipboardPasteTarget.focus();
document.execCommand('paste');
const result = clipboardPasteTarget.value;
clipboardPasteTarget.value = '';
return result;
}
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}
async _onApiGetDisplayTemplatesHtml() {
return await this._fetchAsset('/mixed/display-templates.html');
}
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async _onApiGetQueryParserTemplatesHtml() {
return await this._fetchAsset('/bg/query-parser-templates.html');
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}
_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 _onApiGetAnkiDeckNames() {
return await this._anki.getDeckNames();
}
async _onApiGetAnkiModelNames() {
return await this._anki.getModelNames();
}
async _onApiGetAnkiModelFieldNames({modelName}) {
return await this._anki.getModelFieldNames(modelName);
}
async _onApiGetDictionaryInfo() {
return await this._dictionaryDatabase.getDictionaryInfo();
}
async _onApiGetDictionaryCounts({dictionaryNames, getTotal}) {
return await this._dictionaryDatabase.getDictionaryCounts(dictionaryNames, getTotal);
}
async _onApiPurgeDatabase() {
this._translator.clearDatabaseCaches();
await this._dictionaryDatabase.purge();
}
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async _onApiGetMedia({targets}) {
return await this._dictionaryDatabase.getMedia(targets);
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}
_onApiLog({error, level, context}) {
yomichan.log(jsonToError(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;
}
async _onApiDeleteDictionary({dictionaryName}, sender, onProgress) {
this._translator.clearDatabaseCaches();
await this._dictionaryDatabase.deleteDictionary(dictionaryName, {rate: 1000}, onProgress);
}
async _onApiModifySettings({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: errorToJson(e)});
}
}
await this._onApiOptionsSave({source});
return results;
}
_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: errorToJson(e)});
}
}
return results;
}
async _onApiSetAllSettings({value, source}) {
this._options = this._optionsSchemaValidator.getValidValueOrDefault(this._optionsSchema, value);
await this._onApiOptionsSave({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);
}
// Command handlers
async _onCommandSearch(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 {baseUrl: baseUrl2, queryParams: queryParams2} = parseUrl(url2);
return baseUrl2 === baseUrl && (queryParams2.mode === mode || (!queryParams2.mode && 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
}
chrome.tabs.create({url});
return;
case 'newTab':
chrome.tabs.create({url});
return;
}
}
_onCommandHelp() {
chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
}
_onCommandOptions(params) {
const {mode='existingOrNewTab'} = params || {};
if (mode === 'existingOrNewTab') {
chrome.runtime.openOptionsPage();
} else if (mode === 'newTab') {
const manifest = chrome.runtime.getManifest();
const url = chrome.runtime.getURL(manifest.options_ui.page);
chrome.tabs.create({url});
}
}
async _onCommandToggle() {
const source = 'popup';
const options = this.getOptions({current: true});
options.general.enable = !options.general.enable;
await this._onApiOptionsSave({source});
}
// Utilities
_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.getOptions({current: true});
const {popupWidth, popupHeight} = options.general;
const popupWindow = await new Promise((resolve, reject) => {
chrome.windows.create(
{
url: baseUrl,
width: popupWidth,
height: popupHeight,
type: 'popup'
},
(result) => {
const error = chrome.runtime.lastError;
if (error) {
reject(new Error(error.message));
} else {
resolve(result);
}
}
);
});
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._sendMessageTab(
tab.id,
{action: 'setMode', params: {mode: 'popup'}},
{frameId: 0}
);
this._searchPopupTabId = tab.id;
return {tab, created: true};
}
_updateSearchQuery(tabId, text, animate) {
return this._sendMessageTab(
tabId,
{action: 'updateSearchQuery', params: {text, animate}},
{frameId: 0}
);
}
_sendMessageAllTabs(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);
}
});
}
_applyOptions(source) {
const options = this.getOptions({current: true});
this._updateBadge();
this._anki.setServer(options.anki.server);
this._anki.setEnabled(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._sendMessageAllTabs('optionsUpdated', {source});
}
_getProfile(optionsContext, useSchema=false) {
const options = this.getFullOptions(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._optionsSchemaValidator.isValid(optionsContext, schema)) {
return profile;
}
++index;
}
return null;
}
_clearProfileConditionsSchemaCache() {
this._profileConditionsSchemaCache = [];
this._optionsSchemaValidator.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 results = [];
while (text.length > 0) {
const term = [];
const [definitions, sourceLength] = await this._translator.findTerms(
'simple',
text.substring(0, options.scanning.length),
{},
options
);
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, options.parsing.readingMode);
term.push({text: text2, reading: reading2});
}
text = text.substring(source.length);
} else {
const reading = jp.convertReading(text[0], '', options.parsing.readingMode);
term.push({text: text[0], reading});
text = text.substring(1);
}
results.push(term);
}
return results;
}
async _textParseMecab(text, 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, options.parsing.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: errorToJson(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.getOptions(target.optionsContext, true);
case 'global':
return this.getFullOptions(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');
}
}
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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';
}
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} 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) {
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const value = predicate(options);
if (value) { return value; }
}
return false;
}
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async _renderTemplate(template, data, marker) {
return await this._templateRenderer.render(template, data, marker);
}
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_getTemplates(options) {
const templates = options.anki.fieldTemplates;
return typeof templates === 'string' ? templates : this._defaultAnkiFieldTemplates;
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}
async _getTabUrl(tabId) {
try {
const {url} = await this._sendMessageTab(
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);
promise.then(checkTabUrl);
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;
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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);
chrome.tabs.sendMessage(tabId, {action: 'isReady'}, {frameId}, (response) => {
const error = chrome.runtime.lastError;
if (error) { return; }
try {
const value = yomichan.getMessageResponseResult(response);
if (!value) { return; }
cleanup();
resolve();
} catch (e) {
// 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());
}
_sendMessageTab(...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;
}
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}