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authorAlex Yatskov <alex@foosoft.net>2016-05-03 20:49:09 -0700
committerAlex Yatskov <alex@foosoft.net>2016-05-03 20:49:09 -0700
commit5eea27004c332dc1fc9ab6b583b5a21b4408b6b2 (patch)
tree2b0804370624877ae80ad32da1abb8289d454bf3
parent29ebbe2baeea6822fa8a2937d9071b65d7c5adf2 (diff)
Optimization
-rw-r--r--ext/bg/js/yomichan.js28
1 files changed, 20 insertions, 8 deletions
diff --git a/ext/bg/js/yomichan.js b/ext/bg/js/yomichan.js
index e6d0acc4..bc0f3a87 100644
--- a/ext/bg/js/yomichan.js
+++ b/ext/bg/js/yomichan.js
@@ -34,6 +34,8 @@ class Yomichan {
});
this.translator = new Translator();
+ this.xhr = null;
+
this.updateState('disabled');
loadOptions((opts) => {
@@ -123,16 +125,26 @@ class Yomichan {
}
callAnkiApi(action, data, callback) {
- if (this.options.enableAnkiConnect) {
- const xhr = new XMLHttpRequest();
- xhr.addEventListener('loadend', () => callback(xhr.responseText ? JSON.parse(xhr.responseText) : 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, data: data}));
- } else {
+ if (!this.options.enableAnkiConnect) {
callback(null);
+ return;
+ }
+
+ if (this.xhr !== null) {
+ this.xhr.abort();
}
+
+ this.xhr = new XMLHttpRequest();
+ this.xhr.addEventListener('loadend', () => {
+ const resp = this.xhr.responseText;
+ callback(resp ? JSON.parse(resp) : null);
+ this.xhr = null;
+ });
+
+ this.xhr.open('POST', 'http://127.0.0.1:8888');
+ this.xhr.withCredentials = true;
+ this.xhr.setRequestHeader('Content-Type', 'text/json');
+ this.xhr.send(JSON.stringify({action: action, data: data}));
}
static notifyChange(name, value) {