experimental service worker offline stuff

1 files changed, 9 insertions, 6 deletions

diff --git a/js/read.js b/js/read.js
index 6ba8a92..9039826 100644
--- a/js/read.js
+++ b/js/read.js
@@ -110,13 +110,16 @@ function mark_as_read() {
 }
 
 function save_and_close() {
+	if (navigator.onLine) {
+		var curPage = book.pagination.pageFromCfi(book.getCurrentLocationCfi());
 
-	var curPage = book.pagination.pageFromCfi(book.getCurrentLocationCfi());
-
-	$.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: curPage,
-		cfi: book.getCurrentLocationCfi() }, function(data) {
-			window.location = "index.php";
-		});
+		$.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: curPage,
+			cfi: book.getCurrentLocationCfi() }, function(data) {
+				window.location = "index.php";
+			});
+	} else {
+		window.location = "index.php";
+	}
 }
 
 function invert() {