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-rw-r--r--ext/bg/js/anki.js84
1 files changed, 84 insertions, 0 deletions
diff --git a/ext/bg/js/anki.js b/ext/bg/js/anki.js
new file mode 100644
index 00000000..73f0d479
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+++ b/ext/bg/js/anki.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 AnkiConnect {
+ constructor(apiVersion) {
+ this.asyncPools = {};
+ this.apiVersion = apiVersion;
+ this.ankiConnectVer = 0;
+ }
+
+ 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.ankiConnectVer === this.apiVersion) {
+ return this.ankiInvoke(action, params, pool);
+ }
+
+ return this.getVersion().then(version => {
+ if (version === this.apiVersion) {
+ 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}));
+ });
+ }
+}