From 7c123353b57cb96d84fb7a6b311b0df1e56fa035 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Sun, 26 Feb 2017 17:39:42 +0300
Subject: do not process all dropdowns when offline status changes

---
 js/index.js | 48 ++++++++++++++++++++++++++----------------------
 1 file changed, 26 insertions(+), 22 deletions(-)

(limited to 'js/index.js')

diff --git a/js/index.js b/js/index.js
index 87279c2..c5f8926 100644
--- a/js/index.js
+++ b/js/index.js
@@ -1,32 +1,36 @@
-function mark_offline_books() {
-	var elems = $(".offline_dropitem");
+function mark_offline(elem) {
 
-	$.each(elems, function (i, elem) {
-		var bookId = elem.getAttribute("data-book-id");
-		var cacheId = "epube-book." + bookId;
+	var bookId = elem.getAttribute("data-book-id");
+	var cacheId = "epube-book." + bookId;
 
-		localforage.getItem(cacheId).then(function(book) {
-			if (book) {
+	localforage.getItem(cacheId).then(function(book) {
+		if (book) {
+			elem.onclick = function() {
+				offline_remove(bookId, function() {
+					mark_offline(elem);
+				});
+			};
 
-				elem.onclick = function() {
-					offline_remove(bookId, function() {
-						mark_offline_books();
-					});
-				};
+			elem.innerHTML = "Remove offline data";
 
-				elem.innerHTML = "Remove offline data";
 
+		} else {
+			elem.onclick = function() {
+				offline_cache(bookId, function() {
+					mark_offline(elem);
+				});
+			};
 
-			} else {
-				elem.onclick = function() {
-					offline_cache(bookId, function() {
-						mark_offline_books();
-					});
-				};
+			elem.innerHTML = "Make available offline";
+		}
+	});
+}
 
-				elem.innerHTML = "Make available offline";
-			}
-		});
+function mark_offline_books() {
+	var elems = $(".offline_dropitem");
+
+	$.each(elems, function (i, elem) {
+		mark_offline(elem);
 	});
 }
 
-- 
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