140 lines
4.4 KiB
JavaScript
140 lines
4.4 KiB
JavaScript
/*
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* Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
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*/
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class Yomichan {
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constructor() {
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Handlebars.partials = Handlebars.templates;
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Handlebars.registerHelper('kanjiLinks', function(options) {
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let result = '';
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for (const c of options.fn(this)) {
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if (Translator.isKanji(c)) {
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result += Handlebars.templates['kanji-link.html']({kanji: c}).trim();
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} else {
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result += c;
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}
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}
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return result;
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});
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this.translator = new Translator();
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this.asyncPools = {};
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this.setState('disabled');
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loadOptions((opts) => {
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this.setOptions(opts);
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chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
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chrome.browserAction.onClicked.addListener(this.onBrowserAction.bind(this));
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if (this.options.loadOnStartup) {
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this.setState('loading');
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}
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});
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}
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onMessage(request, sender, callback) {
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const {action, params} = request, handlers = {
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canAddNotes: ({definitions, modes}) => this.ankiInvoke('canAddNotes', {definitions: definitions, modes: modes}, 'notes', callback),
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findKanji: (text) => callback(this.translator.findKanji(text)),
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findTerm: (text) => callback(this.translator.findTerm(text)),
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getOptions: () => callback(this.options),
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getState: () => callback(this.state),
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renderText: ({data, template}) => callback(Handlebars.templates[template](data))
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};
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handlers[action].call(this, params);
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return true;
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}
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onBrowserAction(tab) {
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switch (this.state) {
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case 'disabled':
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this.setState('loading');
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break;
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case 'enabled':
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this.setState('disabled');
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break;
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}
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}
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setState(state) {
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if (this.state === state) {
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return;
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}
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this.state = state;
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switch (state) {
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case 'disabled':
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chrome.browserAction.setBadgeText({text: ''});
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break;
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case 'enabled':
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chrome.browserAction.setBadgeText({text: 'on'});
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break;
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case 'loading':
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chrome.browserAction.setBadgeText({text: '...'});
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this.translator.loadData(() => this.setState('enabled'));
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break;
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}
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Yomichan.notifyChange('state', this.state);
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}
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setOptions(options) {
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this.options = options;
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Yomichan.notifyChange('options', this.options);
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}
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ankiInvoke(action, params, pool, callback) {
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if (this.options.enableAnkiConnect) {
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if (pool !== null && this.asyncPools.hasOwnProperty(pool)) {
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this.asyncPools[pool].abort();
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}
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const xhr = new XMLHttpRequest();
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xhr.addEventListener('loadend', () => {
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if (pool !== null) {
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delete this.asyncPools[pool];
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}
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const resp = xhr.responseText;
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callback(resp ? JSON.parse(resp) : null);
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});
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xhr.open('POST', 'http://127.0.0.1:8888');
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xhr.withCredentials = true;
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xhr.setRequestHeader('Content-Type', 'text/json');
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xhr.send(JSON.stringify({action: action, params: params}));
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} else {
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callback(null);
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}
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}
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static notifyChange(name, value) {
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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, {name: name, value: value}, () => null);
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}
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});
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}
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}
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window.yomichan = new Yomichan();
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