From 18fc8d9865406a74dbea47f49ac959a543035ec7 Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Sat, 20 Aug 2016 19:15:30 -0700
Subject: Performance improvements

---
 ext/bg/js/yomichan.js | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

(limited to 'ext/bg/js/yomichan.js')

diff --git a/ext/bg/js/yomichan.js b/ext/bg/js/yomichan.js
index b8fa9593..fd9b84d3 100644
--- a/ext/bg/js/yomichan.js
+++ b/ext/bg/js/yomichan.js
@@ -35,6 +35,7 @@ class Yomichan {
 
         this.translator = new Translator();
         this.asyncPools = {};
+        this.ankiConnectVer = 0;
         this.setState('disabled');
 
         chrome.runtime.onInstalled.addListener(this.onInstalled.bind(this));
@@ -129,13 +130,18 @@ class Yomichan {
     }
 
     ankiInvokeSafe(action, params, pool, callback) {
-        this.api_getVersion({callback: (version) => {
-            if (version === this.getApiVersion()) {
-                this.ankiInvoke(action, params, pool, callback);
-            } else {
-                callback(null);
-            }
-        }});
+        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) {
-- 
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