# HG changeset patch
# User Johann Hofmann <jhofmann@mozilla.com>
# Date 1525439197 -7200
# Node ID 1aeaff1e13f80f4ca820497345b279e67667f23b
# Parent  a92406bef33e999ceae8845b7105b1dda5d463ce
Bug 1457338 - Stop touch drag on mouseUp. r=kats

MozReview-Commit-ID: 4uPibB3DR1D

diff --git a/dom/events/EventStateManager.cpp b/dom/events/EventStateManager.cpp
--- a/dom/events/EventStateManager.cpp
+++ b/dom/events/EventStateManager.cpp
@@ -644,16 +644,17 @@ EventStateManager::PreHandleEvent(nsPres
     break;
   }
   case eMouseUp: {
     switch (mouseEvent->button) {
       case WidgetMouseEvent::eLeftButton:
         if (Prefs::ClickHoldContextMenu()) {
           KillClickHoldTimer();
         }
+        mInTouchDrag = false;
         StopTrackingDragGesture();
         sNormalLMouseEventInProcess = false;
         // then fall through...
         MOZ_FALLTHROUGH;
       case WidgetMouseEvent::eRightButton:
       case WidgetMouseEvent::eMiddleButton:
         RefPtr<EventStateManager> esm = ESMFromContentOrThis(aOverrideClickTarget);
         esm->SetClickCount(mouseEvent, aStatus, aOverrideClickTarget);