750 lines
26 KiB
JavaScript
750 lines
26 KiB
JavaScript
/*
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* Copyright (C) 2016-2020 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* 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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class Backend {
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constructor() {
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this.translator = new Translator();
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this.anki = new AnkiNull();
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this.mecab = new Mecab();
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this.options = null;
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this.optionsSchema = null;
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this.optionsContext = {
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depth: 0,
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url: window.location.href
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};
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this.isPreparedResolve = null;
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this.isPreparedPromise = new Promise((resolve) => (this.isPreparedResolve = resolve));
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this.clipboardPasteTarget = document.querySelector('#clipboard-paste-target');
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this.apiForwarder = new BackendApiForwarder();
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}
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async prepare() {
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await this.translator.prepare();
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this.optionsSchema = await requestJson(chrome.runtime.getURL('/bg/data/options-schema.json'), 'GET');
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this.options = await optionsLoad();
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try {
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this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, this.options);
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} catch (e) {
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// This shouldn't happen, but catch errors just in case of bugs
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logError(e);
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}
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this.onOptionsUpdated('background');
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if (chrome.commands !== null && typeof chrome.commands === 'object') {
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chrome.commands.onCommand.addListener((command) => this._runCommand(command));
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}
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chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
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const options = this.getOptionsSync(this.optionsContext);
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if (options.general.showGuide) {
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chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')});
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}
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this.isPreparedResolve();
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this.isPreparedResolve = null;
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this.isPreparedPromise = null;
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}
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onOptionsUpdated(source) {
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this.applyOptions();
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const callback = () => this.checkLastError(chrome.runtime.lastError);
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chrome.tabs.query({}, (tabs) => {
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for (const tab of tabs) {
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chrome.tabs.sendMessage(tab.id, {action: 'optionsUpdate', params: {source}}, callback);
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}
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});
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}
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onMessage({action, params}, sender, callback) {
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const handler = Backend._messageHandlers.get(action);
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if (typeof handler !== 'function') { return false; }
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try {
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const promise = handler(this, params, sender);
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promise.then(
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(result) => callback({result}),
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(error) => callback({error: errorToJson(error)})
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);
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return true;
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} catch (error) {
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callback({error: errorToJson(error)});
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return false;
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}
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}
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applyOptions() {
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const options = this.getOptionsSync(this.optionsContext);
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if (!options.general.enable) {
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this.setExtensionBadgeBackgroundColor('#555555');
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this.setExtensionBadgeText('off');
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} else if (!dictConfigured(options)) {
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this.setExtensionBadgeBackgroundColor('#f0ad4e');
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this.setExtensionBadgeText('!');
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} else {
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this.setExtensionBadgeText('');
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}
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this.anki = options.anki.enable ? new AnkiConnect(options.anki.server) : new AnkiNull();
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if (options.parsing.enableMecabParser) {
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this.mecab.startListener();
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} else {
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this.mecab.stopListener();
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}
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}
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async getOptionsSchema() {
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if (this.isPreparedPromise !== null) {
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await this.isPreparedPromise;
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}
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return this.optionsSchema;
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}
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async getFullOptions() {
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if (this.isPreparedPromise !== null) {
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await this.isPreparedPromise;
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}
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return this.options;
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}
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async setFullOptions(options) {
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if (this.isPreparedPromise !== null) {
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await this.isPreparedPromise;
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}
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try {
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this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, utilIsolate(options));
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} catch (e) {
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// This shouldn't happen, but catch errors just in case of bugs
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logError(e);
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}
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}
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async getOptions(optionsContext) {
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if (this.isPreparedPromise !== null) {
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await this.isPreparedPromise;
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}
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return this.getOptionsSync(optionsContext);
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}
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getOptionsSync(optionsContext) {
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return this.getProfileSync(optionsContext).options;
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}
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getProfileSync(optionsContext) {
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const profiles = this.options.profiles;
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if (typeof optionsContext.index === 'number') {
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return profiles[optionsContext.index];
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}
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const profile = this.getProfileFromContext(optionsContext);
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return profile !== null ? profile : this.options.profiles[this.options.profileCurrent];
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}
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getProfileFromContext(optionsContext) {
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for (const profile of this.options.profiles) {
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const conditionGroups = profile.conditionGroups;
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if (conditionGroups.length > 0 && Backend.testConditionGroups(conditionGroups, optionsContext)) {
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return profile;
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}
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}
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return null;
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}
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static testConditionGroups(conditionGroups, data) {
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if (conditionGroups.length === 0) { return false; }
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for (const conditionGroup of conditionGroups) {
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const conditions = conditionGroup.conditions;
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if (conditions.length > 0 && Backend.testConditions(conditions, data)) {
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return true;
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}
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}
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return false;
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}
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static testConditions(conditions, data) {
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for (const condition of conditions) {
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if (!conditionsTestValue(profileConditionsDescriptor, condition.type, condition.operator, condition.value, data)) {
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return false;
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}
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}
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return true;
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}
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setExtensionBadgeBackgroundColor(color) {
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if (typeof chrome.browserAction.setBadgeBackgroundColor === 'function') {
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chrome.browserAction.setBadgeBackgroundColor({color});
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}
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}
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setExtensionBadgeText(text) {
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if (typeof chrome.browserAction.setBadgeText === 'function') {
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chrome.browserAction.setBadgeText({text});
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}
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}
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checkLastError() {
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// NOP
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}
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_runCommand(command, params) {
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const handler = Backend._commandHandlers.get(command);
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if (typeof handler !== 'function') { return false; }
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handler(this, params);
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return true;
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}
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// Message handlers
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_onApiOptionsSchemaGet() {
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return this.getOptionsSchema();
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}
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_onApiOptionsGet({optionsContext}) {
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return this.getOptions(optionsContext);
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}
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_onApiOptionsGetFull() {
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return this.getFullOptions();
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}
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async _onApiOptionsSet({changedOptions, optionsContext, source}) {
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const options = await this.getOptions(optionsContext);
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function getValuePaths(obj) {
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const valuePaths = [];
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const nodes = [{obj, path: []}];
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while (nodes.length > 0) {
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const node = nodes.pop();
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for (const key of Object.keys(node.obj)) {
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const path = node.path.concat(key);
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const obj = node.obj[key];
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if (obj !== null && typeof obj === 'object') {
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nodes.unshift({obj, path});
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} else {
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valuePaths.push([obj, path]);
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}
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}
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}
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return valuePaths;
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}
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function modifyOption(path, value, options) {
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let pivot = options;
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for (const key of path.slice(0, -1)) {
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if (!hasOwn(pivot, key)) {
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return false;
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}
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pivot = pivot[key];
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}
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pivot[path[path.length - 1]] = value;
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return true;
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}
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for (const [value, path] of getValuePaths(changedOptions)) {
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modifyOption(path, value, options);
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}
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await this._onApiOptionsSave({source});
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}
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async _onApiOptionsSave({source}) {
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const options = await this.getFullOptions();
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await optionsSave(options);
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this.onOptionsUpdated(source);
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}
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async _onApiKanjiFind({text, optionsContext}) {
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const options = await this.getOptions(optionsContext);
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const definitions = await this.translator.findKanji(text, options);
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definitions.splice(options.general.maxResults);
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return definitions;
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}
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async _onApiTermsFind({text, details, optionsContext}) {
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const options = await this.getOptions(optionsContext);
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const [definitions, length] = await this.translator.findTerms(text, details, options);
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definitions.splice(options.general.maxResults);
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return {length, definitions};
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}
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async _onApiTextParse({text, optionsContext}) {
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const options = await this.getOptions(optionsContext);
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const results = [];
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while (text.length > 0) {
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const term = [];
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const [definitions, sourceLength] = await this.translator.findTermsInternal(
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text.substring(0, options.scanning.length),
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dictEnabledSet(options),
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options.scanning.alphanumeric,
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{}
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);
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if (definitions.length > 0) {
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dictTermsSort(definitions);
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const {expression, reading} = definitions[0];
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const source = text.substring(0, sourceLength);
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for (const {text, furigana} of jpDistributeFuriganaInflected(expression, reading, source)) {
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const reading = jpConvertReading(text, furigana, options.parsing.readingMode);
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term.push({text, reading});
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}
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text = text.substring(source.length);
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} else {
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const reading = jpConvertReading(text[0], null, options.parsing.readingMode);
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term.push({text: text[0], reading});
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text = text.substring(1);
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}
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results.push(term);
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}
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return results;
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}
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async _onApiTextParseMecab({text, optionsContext}) {
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const options = await this.getOptions(optionsContext);
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const results = {};
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const rawResults = await this.mecab.parseText(text);
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for (const mecabName in rawResults) {
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const result = [];
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for (const parsedLine of rawResults[mecabName]) {
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for (const {expression, reading, source} of parsedLine) {
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const term = [];
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if (expression !== null && reading !== null) {
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for (const {text, furigana} of jpDistributeFuriganaInflected(
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expression,
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jpKatakanaToHiragana(reading),
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source
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)) {
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const reading = jpConvertReading(text, furigana, options.parsing.readingMode);
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term.push({text, reading});
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}
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} else {
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const reading = jpConvertReading(source, null, options.parsing.readingMode);
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term.push({text: source, reading});
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}
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result.push(term);
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}
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result.push([{text: '\n'}]);
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}
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results[mecabName] = result;
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}
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return results;
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}
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async _onApiDefinitionAdd({definition, mode, context, optionsContext}) {
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const options = await this.getOptions(optionsContext);
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const templates = Backend._getTemplates(options);
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if (mode !== 'kanji') {
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await audioInject(
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definition,
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options.anki.terms.fields,
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options.audio.sources,
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optionsContext
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);
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}
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if (context && context.screenshot) {
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await this._injectScreenshot(
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definition,
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options.anki.terms.fields,
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context.screenshot
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);
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}
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const note = await dictNoteFormat(definition, mode, options, templates);
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return this.anki.addNote(note);
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}
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async _onApiDefinitionsAddable({definitions, modes, optionsContext}) {
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const options = await this.getOptions(optionsContext);
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const templates = Backend._getTemplates(options);
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const states = [];
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try {
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const notes = [];
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for (const definition of definitions) {
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for (const mode of modes) {
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const note = await dictNoteFormat(definition, mode, options, templates);
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notes.push(note);
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}
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}
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const cannotAdd = [];
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const results = await this.anki.canAddNotes(notes);
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for (let resultBase = 0; resultBase < results.length; resultBase += modes.length) {
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const state = {};
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for (let modeOffset = 0; modeOffset < modes.length; ++modeOffset) {
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const index = resultBase + modeOffset;
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const result = results[index];
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const info = {canAdd: result};
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state[modes[modeOffset]] = info;
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if (!result) {
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cannotAdd.push([notes[index], info]);
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}
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}
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states.push(state);
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}
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if (cannotAdd.length > 0) {
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const noteIdsArray = await this.anki.findNoteIds(cannotAdd.map((e) => e[0]));
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for (let i = 0, ii = Math.min(cannotAdd.length, noteIdsArray.length); i < ii; ++i) {
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const noteIds = noteIdsArray[i];
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if (noteIds.length > 0) {
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cannotAdd[i][1].noteId = noteIds[0];
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}
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}
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}
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} catch (e) {
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// NOP
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}
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return states;
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}
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async _onApiNoteView({noteId}) {
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return this.anki.guiBrowse(`nid:${noteId}`);
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}
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async _onApiTemplateRender({template, data, dynamic}) {
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return (
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dynamic ?
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handlebarsRenderDynamic(template, data) :
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handlebarsRenderStatic(template, data)
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);
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}
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async _onApiCommandExec({command, params}) {
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return this._runCommand(command, params);
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}
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async _onApiAudioGetUrl({definition, source, optionsContext}) {
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const options = await this.getOptions(optionsContext);
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return await audioGetUrl(definition, source, options);
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}
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_onApiScreenshotGet({options}, sender) {
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if (!(sender && sender.tab)) {
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return Promise.resolve();
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}
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const windowId = sender.tab.windowId;
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return new Promise((resolve) => {
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chrome.tabs.captureVisibleTab(windowId, options, (dataUrl) => resolve(dataUrl));
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});
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}
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_onApiForward({action, params}, sender) {
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if (!(sender && sender.tab)) {
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return Promise.resolve();
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}
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const tabId = sender.tab.id;
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return new Promise((resolve) => {
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chrome.tabs.sendMessage(tabId, {action, params}, (response) => resolve(response));
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});
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}
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_onApiFrameInformationGet(params, sender) {
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const frameId = sender.frameId;
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return Promise.resolve({frameId});
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}
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_onApiInjectStylesheet({css}, sender) {
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if (!sender.tab) {
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return Promise.reject(new Error('Invalid tab'));
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}
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const tabId = sender.tab.id;
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const frameId = sender.frameId;
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const details = {
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code: css,
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runAt: 'document_start',
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cssOrigin: 'user',
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allFrames: false
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};
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if (typeof frameId === 'number') {
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details.frameId = frameId;
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}
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return new Promise((resolve, reject) => {
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chrome.tabs.insertCSS(tabId, details, () => {
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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();
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}
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});
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});
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}
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async _onApiGetEnvironmentInfo() {
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const browser = await Backend._getBrowser();
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const platform = await new Promise((resolve) => chrome.runtime.getPlatformInfo(resolve));
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return {
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browser,
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platform: {
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os: platform.os
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}
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};
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}
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async _onApiClipboardGet() {
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const clipboardPasteTarget = this.clipboardPasteTarget;
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clipboardPasteTarget.value = '';
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clipboardPasteTarget.focus();
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document.execCommand('paste');
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const result = clipboardPasteTarget.value;
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clipboardPasteTarget.value = '';
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return result;
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}
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// Command handlers
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async _onCommandSearch(params) {
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const url = chrome.runtime.getURL('/bg/search.html');
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if (!(params && params.newTab)) {
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try {
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const tab = await Backend._findTab(1000, (url2) => (
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url2 !== null &&
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url2.startsWith(url) &&
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(url2.length === url.length || url2[url.length] === '?' || url2[url.length] === '#')
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));
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if (tab !== null) {
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await Backend._focusTab(tab);
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return;
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}
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} catch (e) {
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// NOP
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}
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}
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chrome.tabs.create({url});
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}
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_onCommandHelp() {
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chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
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}
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_onCommandOptions(params) {
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if (!(params && params.newTab)) {
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chrome.runtime.openOptionsPage();
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} else {
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const manifest = chrome.runtime.getManifest();
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const url = chrome.runtime.getURL(manifest.options_ui.page);
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chrome.tabs.create({url});
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}
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}
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async _onCommandToggle() {
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const optionsContext = {
|
|
depth: 0,
|
|
url: window.location.href
|
|
};
|
|
const source = 'popup';
|
|
|
|
const options = await this.getOptions(optionsContext);
|
|
options.general.enable = !options.general.enable;
|
|
await this._onApiOptionsSave({source});
|
|
}
|
|
|
|
// Utilities
|
|
|
|
async _injectScreenshot(definition, fields, screenshot) {
|
|
let usesScreenshot = false;
|
|
for (const name in fields) {
|
|
if (fields[name].includes('{screenshot}')) {
|
|
usesScreenshot = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!usesScreenshot) {
|
|
return;
|
|
}
|
|
|
|
const dateToString = (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}-${seconds}`;
|
|
};
|
|
|
|
const now = new Date(Date.now());
|
|
const filename = `yomichan_browser_screenshot_${definition.reading}_${dateToString(now)}.${screenshot.format}`;
|
|
const data = screenshot.dataUrl.replace(/^data:[\w\W]*?,/, '');
|
|
|
|
try {
|
|
await this.anki.storeMediaFile(filename, data);
|
|
} catch (e) {
|
|
return;
|
|
}
|
|
|
|
definition.screenshotFileName = filename;
|
|
}
|
|
|
|
static _getTabUrl(tab) {
|
|
return new Promise((resolve) => {
|
|
chrome.tabs.sendMessage(tab.id, {action: 'getUrl'}, {frameId: 0}, (response) => {
|
|
let url = null;
|
|
if (!chrome.runtime.lastError) {
|
|
url = (response !== null && typeof response === 'object' && !Array.isArray(response) ? response.url : null);
|
|
if (url !== null && typeof url !== 'string') {
|
|
url = null;
|
|
}
|
|
}
|
|
resolve({tab, url});
|
|
});
|
|
});
|
|
}
|
|
|
|
static 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));
|
|
let matchPromiseResolve = null;
|
|
const matchPromise = new Promise((resolve) => { matchPromiseResolve = resolve; });
|
|
|
|
const checkTabUrl = ({tab, url}) => {
|
|
if (checkUrl(url, tab)) {
|
|
matchPromiseResolve(tab);
|
|
}
|
|
};
|
|
|
|
const promises = [];
|
|
for (const tab of tabs) {
|
|
const promise = Backend._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);
|
|
}
|
|
|
|
static async _focusTab(tab) {
|
|
await new Promise((resolve, reject) => {
|
|
chrome.tabs.update(tab.id, {active: true}, () => {
|
|
const e = chrome.runtime.lastError;
|
|
if (e) { reject(e); }
|
|
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) => {
|
|
chrome.windows.get(tab.windowId, {}, (tabWindow) => {
|
|
const e = chrome.runtime.lastError;
|
|
if (e) { reject(e); }
|
|
else { resolve(tabWindow); }
|
|
});
|
|
});
|
|
if (!tabWindow.focused) {
|
|
await new Promise((resolve, reject) => {
|
|
chrome.windows.update(tab.windowId, {focused: true}, () => {
|
|
const e = chrome.runtime.lastError;
|
|
if (e) { reject(e); }
|
|
else { resolve(); }
|
|
});
|
|
});
|
|
}
|
|
} catch (e) {
|
|
// Edge throws exception for no reason here.
|
|
}
|
|
}
|
|
|
|
static async _getBrowser() {
|
|
if (EXTENSION_IS_BROWSER_EDGE) {
|
|
return 'edge';
|
|
}
|
|
if (typeof browser !== 'undefined') {
|
|
try {
|
|
const info = await browser.runtime.getBrowserInfo();
|
|
if (info.name === 'Fennec') {
|
|
return 'firefox-mobile';
|
|
}
|
|
} catch (e) {
|
|
// NOP
|
|
}
|
|
return 'firefox';
|
|
} else {
|
|
return 'chrome';
|
|
}
|
|
}
|
|
|
|
static _getTemplates(options) {
|
|
const templates = options.anki.fieldTemplates;
|
|
return typeof templates === 'string' ? templates : profileOptionsGetDefaultFieldTemplates();
|
|
}
|
|
}
|
|
|
|
Backend._messageHandlers = new Map([
|
|
['optionsSchemaGet', (self, ...args) => self._onApiOptionsSchemaGet(...args)],
|
|
['optionsGet', (self, ...args) => self._onApiOptionsGet(...args)],
|
|
['optionsGetFull', (self, ...args) => self._onApiOptionsGetFull(...args)],
|
|
['optionsSet', (self, ...args) => self._onApiOptionsSet(...args)],
|
|
['optionsSave', (self, ...args) => self._onApiOptionsSave(...args)],
|
|
['kanjiFind', (self, ...args) => self._onApiKanjiFind(...args)],
|
|
['termsFind', (self, ...args) => self._onApiTermsFind(...args)],
|
|
['textParse', (self, ...args) => self._onApiTextParse(...args)],
|
|
['textParseMecab', (self, ...args) => self._onApiTextParseMecab(...args)],
|
|
['definitionAdd', (self, ...args) => self._onApiDefinitionAdd(...args)],
|
|
['definitionsAddable', (self, ...args) => self._onApiDefinitionsAddable(...args)],
|
|
['noteView', (self, ...args) => self._onApiNoteView(...args)],
|
|
['templateRender', (self, ...args) => self._onApiTemplateRender(...args)],
|
|
['commandExec', (self, ...args) => self._onApiCommandExec(...args)],
|
|
['audioGetUrl', (self, ...args) => self._onApiAudioGetUrl(...args)],
|
|
['screenshotGet', (self, ...args) => self._onApiScreenshotGet(...args)],
|
|
['forward', (self, ...args) => self._onApiForward(...args)],
|
|
['frameInformationGet', (self, ...args) => self._onApiFrameInformationGet(...args)],
|
|
['injectStylesheet', (self, ...args) => self._onApiInjectStylesheet(...args)],
|
|
['getEnvironmentInfo', (self, ...args) => self._onApiGetEnvironmentInfo(...args)],
|
|
['clipboardGet', (self, ...args) => self._onApiClipboardGet(...args)]
|
|
]);
|
|
|
|
Backend._commandHandlers = new Map([
|
|
['search', (self, ...args) => self._onCommandSearch(...args)],
|
|
['help', (self, ...args) => self._onCommandHelp(...args)],
|
|
['options', (self, ...args) => self._onCommandOptions(...args)],
|
|
['toggle', (self, ...args) => self._onCommandToggle(...args)]
|
|
]);
|
|
|
|
window.yomichanBackend = new Backend();
|
|
window.yomichanBackend.prepare();
|