yomichan/ext/bg/js/anki.js
2016-10-10 20:51:42 -07:00

86 lines
2.5 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 AnkiConnect {
constructor() {
this.asyncPools = {};
this.pluginVersion = null;
this.apiVersion = 1;
}
addNote(note) {
return this.ankiInvokeSafe('addNote', {note}, null);
}
canAddNotes(notes) {
return this.ankiInvokeSafe('canAddNotes', {notes}, 'notes');
}
getDeckNames() {
return this.ankiInvokeSafe('deckNames', {}, null);
}
getModelNames() {
return this.ankiInvokeSafe('modelNames', {}, null);
}
getModelFieldNames(modelName) {
return this.ankiInvokeSafe('modelFieldNames', {modelName}, null);
}
getVersion() {
return this.ankiInvoke('version', {}, null);
}
ankiInvokeSafe(action, params, pool) {
if (this.pluginVersion === this.apiVersion) {
return this.ankiInvoke(action, params, pool);
}
return this.getVersion().then(version => {
if (version === this.apiVersion) {
this.pluginVersion = version;
return this.ankiInvoke(action, params, pool);
}
return null;
});
}
ankiInvoke(action, params, pool) {
return new Promise((resolve, reject) => {
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;
resolve(resp ? JSON.parse(resp) : null);
});
xhr.open('POST', 'http://127.0.0.1:8765');
xhr.send(JSON.stringify({action, params}));
});
}
}