From 73ac3dc12df066a1fb35a24ebd4f35f7f5c8a70c Mon Sep 17 00:00:00 2001
From: Shawn Pearce <sop@google.com>
Date: Fri, 14 Jun 2013 22:22:03 -0700
Subject: [PATCH] Fix scrolling after leaving ,codemirror pages

Browsing back from a code mirror file view should enable scrolling
again on the main browser window.

Change-Id: Ib46386e84de70ca49cee43ad4b85b5a7094feaac
---
 .../java/com/google/gerrit/client/diff/CodeMirrorDemo.java     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/CodeMirrorDemo.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/CodeMirrorDemo.java
index 874951e814..d11e8e1211 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/CodeMirrorDemo.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/CodeMirrorDemo.java
@@ -103,6 +103,7 @@ public class CodeMirrorDemo extends Screen {
     if (cmB != null) {
       cmB.refresh();
     }
+    Window.enableScrolling(false);
   }
 
   @Override
@@ -120,6 +121,7 @@ public class CodeMirrorDemo extends Screen {
       cmB.getWrapperElement().removeFromParent();
       cmB = null;
     }
+    Window.enableScrolling(true);
   }
 
   private void display(DiffInfo diff) {
@@ -141,7 +143,6 @@ public class CodeMirrorDemo extends Screen {
     });
     cmA.on("scroll", doScroll(cmB));
     cmB.on("scroll", doScroll(cmA));
-    Window.enableScrolling(false);
   }
 
   private CodeMirror displaySide(DiffInfo.FileMeta meta, String contents,