Bug fix to first and previous frame buttons

charlielee · May 11, 2016 · c8dbe7d · c8dbe7d
1 parent 0bddc25
commit c8dbe7d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/app/js/main.js b/app/js/main.js
@@ -267,15 +267,15 @@ function startup() {
   btnFramePrevious.addEventListener("click", function() {
     if (curSelectedFrame > 1) {
         _displayFrame(curSelectedFrame - 1);
-    } else if (winMode === "capture") {
+    } else if (winMode === "capture" && totalFrames) {
       switchMode("playback");
       _displayFrame(totalFrames);
     }
   });
 
   // Preview first frame on framereel
   btnFrameFirst.addEventListener("click", function() {
-    if (winMode === "capture") {
+    if (winMode === "capture" && totalFrames) {
       switchMode("playback");
     }
     _displayFrame(1);