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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() {
Handlebars.partials = Handlebars.templates;
Handlebars.registerHelper('kanjiLinks', function(options) {
let result = '';
for (const c of options.fn(this)) {
if (Translator.isKanji(c)) {
result += Handlebars.templates['kanji-link.html']({kanji: c}).trim();
} else {
result += c;
}
}
return result;
});
this.translator = new Translator();
this.asyncPools = {};
this.setState('disabled');
loadOptions((opts) => {
this.setOptions(opts);
chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
chrome.browserAction.onClicked.addListener(this.onBrowserAction.bind(this));
if (this.options.loadOnStartup) {
this.setState('loading');
}
});
}
onMessage(request, sender, callback) {
const {action, params} = request, handlers = {
canAddNotes: ({definitions, modes}) => this.ankiInvoke('canAddNotes', {definitions: definitions, modes: modes}, 'notes', callback),
findKanji: (text) => callback(this.translator.findKanji(text)),
findTerm: (text) => callback(this.translator.findTerm(text)),
getOptions: () => callback(this.options),
getState: () => callback(this.state),
renderText: ({data, template}) => callback(Handlebars.templates[template](data))
};
handlers[action].call(this, params);
return true;
}
onBrowserAction(tab) {
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: ''});
break;
case 'enabled':
chrome.browserAction.setBadgeText({text: 'on'});
break;
case 'loading':
chrome.browserAction.setBadgeText({text: '...'});
this.translator.loadData(() => this.setState('enabled'));
break;
}
Yomichan.notifyChange('state', this.state);
}
setOptions(options) {
this.options = options;
Yomichan.notifyChange('options', this.options);
}
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://127.0.0.1:8888');
xhr.withCredentials = true;
xhr.setRequestHeader('Content-Type', 'text/json');
xhr.send(JSON.stringify({action: action, params: params}));
} else {
callback(null);
}
}
static notifyChange(name, value) {
chrome.tabs.query({}, (tabs) => {
for (const tab of tabs) {
chrome.tabs.sendMessage(tab.id, {name: name, value: value}, () => null);
}
});
}
}
window.yomichan = new Yomichan();
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