yomichan/ext/bg/js/yomichan.js

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/*
* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class Yomichan {
constructor() {
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Handlebars.partials = Handlebars.templates;
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Handlebars.registerHelper('kanjiLinks', function(options) {
let result = '';
for (const c of options.fn(this)) {
if (Translator.isKanji(c)) {
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result += Handlebars.templates['kanji-link.html']({kanji: c}).trim();
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} else {
result += c;
}
}
return result;
});
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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));
chrome.browserAction.onClicked.addListener(this.onBrowserAction.bind(this));
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if (this.options.activateOnStartup) {
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this.setState('loading');
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}
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});
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}
onMessage(request, sender, callback) {
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const {action, params} = request, method = this['api_' + action];
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if (typeof(method) === 'function') {
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params.callback = callback;
method.call(this, params);
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}
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return true;
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}
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onBrowserAction(tab) {
switch (this.state) {
case 'disabled':
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this.setState('loading');
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break;
case 'enabled':
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this.setState('disabled');
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break;
}
}
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setState(state) {
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if (this.state === state) {
return;
}
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this.state = state;
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switch (state) {
case 'disabled':
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chrome.browserAction.setBadgeText({text: 'off'});
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break;
case 'enabled':
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chrome.browserAction.setBadgeText({text: ''});
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break;
case 'loading':
chrome.browserAction.setBadgeText({text: '...'});
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this.translator.loadData({loadEnamDict: this.options.loadEnamDict}, () => this.setState('enabled'));
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break;
}
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Yomichan.notifyTabs('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.notifyTabs('options', this.options);
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}
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ankiInvoke(action, params, pool, callback) {
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if (this.options.enableAnkiConnect) {
if (pool !== null && this.asyncPools.hasOwnProperty(pool)) {
this.asyncPools[pool].abort();
}
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const xhr = new XMLHttpRequest();
xhr.addEventListener('loadend', () => {
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if (pool !== null) {
delete this.asyncPools[pool];
}
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const resp = xhr.responseText;
callback(resp ? JSON.parse(resp) : null);
});
xhr.open('POST', 'http://127.0.0.1:8765');
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xhr.withCredentials = true;
xhr.setRequestHeader('Content-Type', 'text/json');
xhr.send(JSON.stringify({action: action, params: params}));
} else {
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callback(null);
}
}
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static notifyTabs(name, value) {
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chrome.tabs.query({}, (tabs) => {
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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api_addNote({definition, mode, callback}) {
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this.ankiInvoke('addNote', {definition: definition, mode: mode}, null, callback);
}
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api_canAddNotes({definitions, modes, callback}) {
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this.ankiInvoke('canAddNotes', {definitions: definitions, modes: modes}, 'notes', callback);
}
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api_findKanji({text, callback}) {
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callback(this.translator.findKanji(text));
}
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api_findTerm({text, callback}) {
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callback(this.translator.findTerm(text));
}
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api_getDeckNames({callback}) {
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this.ankiInvoke('deckNames', {}, null, callback);
}
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api_getModelNames({callback}) {
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this.ankiInvoke('modelNames', {}, null, callback);
}
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api_getModelFieldNames({modelName, callback}) {
this.ankiInvoke('modelFieldNames', {modelName}, null, callback);
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}
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api_getOptions({callback}) {
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callback(this.options);
}
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api_getState({callback}) {
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callback(this.state);
}
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api_renderText({template, data, callback}) {
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callback(Handlebars.templates[template](data));
}
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}
window.yomichan = new Yomichan();