yomichan/ext/bg/js/yomichan.js
2016-08-23 22:28:37 -07:00

325 lines
9.7 KiB
JavaScript

/*
* 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() {
Handlebars.partials = Handlebars.templates;
Handlebars.registerHelper('kanjiLinks', function(options) {
let result = '';
for (const c of options.fn(this)) {
if (isKanji(c)) {
result += Handlebars.templates['kanji-link.html']({kanji: c}).trim();
} else {
result += c;
}
}
return result;
});
this.translator = new Translator();
this.asyncPools = {};
this.ankiConnectVer = 0;
this.setState('disabled');
chrome.runtime.onInstalled.addListener(this.onInstalled.bind(this));
chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
chrome.browserAction.onClicked.addListener(this.onBrowserAction.bind(this));
chrome.tabs.onCreated.addListener((tab) => this.onTabReady(tab.id));
chrome.tabs.onUpdated.addListener(this.onTabReady.bind(this));
loadOptions((opts) => {
this.setOptions(opts);
if (this.options.activateOnStartup) {
this.setState('loading');
}
});
}
onInstalled(details) {
if (details.reason === 'install') {
chrome.tabs.create({url: chrome.extension.getURL('bg/guide.html')});
}
}
onMessage(request, sender, callback) {
const {action, params} = request, method = this['api_' + action];
if (typeof(method) === 'function') {
params.callback = callback;
method.call(this, params);
}
return true;
}
onTabReady(tabId) {
this.tabInvoke(tabId, 'setOptions', this.options);
this.tabInvoke(tabId, 'setEnabled', this.state === 'enabled');
}
onBrowserAction() {
switch (this.state) {
case 'disabled':
this.setState('loading');
break;
case 'enabled':
this.setState('disabled');
break;
}
}
setState(state) {
if (this.state === state) {
return;
}
this.state = state;
switch (state) {
case 'disabled':
chrome.browserAction.setBadgeText({text: 'off'});
break;
case 'enabled':
chrome.browserAction.setBadgeText({text: ''});
break;
case 'loading':
chrome.browserAction.setBadgeText({text: '...'});
this.translator.loadData({loadEnamDict: this.options.loadEnamDict}, () => this.setState('enabled'));
break;
}
this.tabInvokeAll('setEnabled', this.state === 'enabled');
}
setOptions(options) {
this.options = options;
this.tabInvokeAll('setOptions', this.options);
}
getApiVersion() {
return 1;
}
tabInvokeAll(action, params) {
chrome.tabs.query({}, (tabs) => {
for (const tab of tabs) {
this.tabInvoke(tab.id, action, params);
}
});
}
tabInvoke(tabId, action, params) {
chrome.tabs.sendMessage(tabId, {action, params}, () => null);
}
ankiInvokeSafe(action, params, pool, callback) {
if (this.ankiConnectVer === this.getApiVersion()) {
this.ankiInvoke(action, params, pool, callback);
} else {
this.api_getVersion({callback: (version) => {
if (version === this.getApiVersion()) {
this.ankiConnectVer = version;
this.ankiInvoke(action, params, pool, callback);
} else {
callback(null);
}
}});
}
}
ankiInvoke(action, params, pool, callback) {
if (this.options.enableAnkiConnect) {
if (pool !== null && this.asyncPools.hasOwnProperty(pool)) {
this.asyncPools[pool].abort();
}
const xhr = new XMLHttpRequest();
xhr.addEventListener('loadend', () => {
if (pool !== null) {
delete this.asyncPools[pool];
}
const resp = xhr.responseText;
callback(resp ? JSON.parse(resp) : null);
});
xhr.open('POST', 'http://127.0.0.1:8765');
xhr.send(JSON.stringify({action, params}));
} else {
callback(null);
}
}
formatField(field, definition, mode) {
const markers = [
'audio',
'character',
'expression',
'glossary',
'glossary-list',
'kunyomi',
'onyomi',
'reading',
'sentence',
'tags',
'url',
];
for (const marker of markers) {
let value = definition[marker] || null;
switch (marker) {
case 'audio':
value = '';
break;
case 'expression':
if (mode === 'term_kana' && definition.reading) {
value = definition.reading;
}
break;
case 'reading':
if (mode === 'term_kana') {
value = null;
}
break;
case 'glossary-list':
if (definition.glossary) {
value = '<ol>';
for (const gloss of definition.glossary) {
value += `<li>${gloss}</li>`;
}
value += '</ol>';
}
break;
case 'tags':
if (definition.tags) {
value = definition.tags.map((t) => t.name);
}
break;
}
if (value !== null && typeof(value) !== 'string') {
value = value.join(', ');
}
field = field.replace(`{${marker}}`, value || '');
}
return field;
}
formatNote(definition, mode) {
const note = {fields: {}, tags: this.options.ankiCardTags};
let fields = [];
if (mode === 'kanji') {
fields = this.options.ankiKanjiFields;
note.deckName = this.options.ankiKanjiDeck;
note.modelName = this.options.ankiKanjiModel;
} else {
fields = this.options.ankiTermFields;
note.deckName = this.options.ankiTermDeck;
note.modelName = this.options.ankiTermModel;
const audio = {
kanji: definition.expression,
kana: definition.reading,
fields: []
};
for (const name in fields) {
if (fields[name].indexOf('{audio}') !== -1) {
audio.fields.push(name);
}
}
if (audio.fields.length > 0) {
note.audio = audio;
}
}
for (const name in fields) {
note.fields[name] = this.formatField(fields[name], definition, mode);
}
return note;
}
api_addDefinition({definition, mode, callback}) {
const note = this.formatNote(definition, mode);
this.ankiInvokeSafe('addNote', {note}, null, callback);
}
api_canAddDefinitions({definitions, modes, callback}) {
const notes = [];
for (const definition of definitions) {
for (const mode of modes) {
notes.push(this.formatNote(definition, mode));
}
}
this.ankiInvokeSafe('canAddNotes', {notes}, 'notes', (results) => {
const states = [];
if (results !== null) {
for (let resultBase = 0; resultBase < results.length; resultBase += modes.length) {
const state = {};
for (let modeOffset = 0; modeOffset < modes.length; ++modeOffset) {
state[modes[modeOffset]] = results[resultBase + modeOffset];
}
states.push(state);
}
}
callback(states);
});
}
api_findKanji({text, callback}) {
callback(this.translator.findKanji(text));
}
api_findTerm({text, callback}) {
callback(this.translator.findTerm(text));
}
api_getDeckNames({callback}) {
this.ankiInvokeSafe('deckNames', {}, null, callback);
}
api_getModelNames({callback}) {
this.ankiInvokeSafe('modelNames', {}, null, callback);
}
api_getModelFieldNames({modelName, callback}) {
this.ankiInvokeSafe('modelFieldNames', {modelName}, null, callback);
}
api_getVersion({callback}) {
this.ankiInvoke('version', {}, null, callback);
}
api_renderText({template, data, callback}) {
callback(Handlebars.templates[template](data));
}
}
window.yomichan = new Yomichan();