Bug 868648: Make window overlay scrollbars appear/disappear when 2 fingers down/up trackpad. Credits to Markus for his help getting this right. r=mstange,masayuki,smichaud

2013-08-16 23:17:40 +02:00
parent dcfbdc7f8b
commit 1e51c1ef8d
10 changed files with 405 additions and 43 deletions
--- a/layout/xul/tree/nsTreeBodyFrame.cpp
+++ b/layout/xul/tree/nsTreeBodyFrame.cpp
@@ -4495,6 +4495,22 @@ nsTreeBodyFrame::PostScrollEvent()
  }
 }

+void
+nsTreeBodyFrame::ScrollbarActivityStarted() const
+{
+  if (mScrollbarActivity) {
+    mScrollbarActivity->ActivityStarted();
+  }
+}
+
+void
+nsTreeBodyFrame::ScrollbarActivityStopped() const
+{
+  if (mScrollbarActivity) {
+    mScrollbarActivity->ActivityStopped();
+  }
+}
+
 void
 nsTreeBodyFrame::DetachImageListeners()
 {