package: avoid un-necessary modification event work.

Change-Id: Ia4b4e3edccf661b8c5f474c5c7474b5f9e497fcc

1 files changed, 8 insertions, 0 deletions

diff --git a/package/source/xstor/xstorage.hxx b/package/source/xstor/xstorage.hxx
index 27f92e3efba0..6fab38508e4d 100644
--- a/package/source/xstor/xstorage.hxx
+++ b/package/source/xstor/xstorage.hxx
@@ -128,11 +128,19 @@ struct OStorage_Impl
     sal_Int32                   m_nStorageMode; // open mode ( read/write/trunc/nocreate )
     sal_Bool                    m_bIsModified;  // only modified elements will be sent to the original content
     sal_Bool                    m_bBroadcastModified;  // will be set if notification is required
+
     sal_Bool                    m_bCommited;    // sending the streams is coordinated by the root storage of the package
 
     sal_Bool                    m_bIsRoot;      // marks this storage as root storages that manages all commits and reverts
     sal_Bool                    m_bListCreated;
 
+    /// Count of registered modification listeners
+    oslInterlockedCount         m_nModifiedListenerCount;
+    bool                        HasModifiedListener()
+    {
+        return m_nModifiedListenerCount > 0 && m_pAntiImpl != NULL;
+    }
+
     SotElementList_Impl                         m_aChildrenList;
     SotElementList_Impl                         m_aDeletedList;