no need for XResultSet_impl to extend Notifier

it never returns any kind of ContentEventNotifier

Change-Id: I53d14378c3c70e4797782aa2c35602103c7cf813
Reviewed-on: https://gerrit.libreoffice.org/75139
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

ucb/source/ucp/file/filrset.cxx

@@ -75,15 +75,11 @@ XResultSet_impl::XResultSet_impl( TaskManager* pMyShell,
     }
     else
         m_nIsOpen = true;
-
-    m_pMyShell->registerNotifier( m_aBaseDirectory,this );
 }
 
 
 XResultSet_impl::~XResultSet_impl()
 {
-    m_pMyShell->deregisterNotifier( m_aBaseDirectory,this );
-
     if( m_nIsOpen )
         m_aFolder.close();
 }
@@ -221,7 +217,7 @@ XResultSet_impl::OneMore()
         else if( err == osl::FileBase::E_None )
         {
             if (!m_pMyShell->getv(
-                    this, m_sProperty, aDirIte, aUnqPath, IsRegular, aRow ))
+                    nullptr, m_sProperty, aDirIte, aUnqPath, IsRegular, aRow ))
             {
                 SAL_WARN(
                     "ucb.ucp.file",

ucb/source/ucp/file/filrset.hxx

@@ -39,9 +39,7 @@
 
 namespace fileaccess {
 
-class Notifier;
-
-class XResultSet_impl : public Notifier,
+class XResultSet_impl :
         public cppu::WeakImplHelper<  css::lang::XEventListener,
                                       css::sdbc::XRow,
                                       css::sdbc::XResultSet,
@@ -61,31 +59,6 @@ class XResultSet_impl : public Notifier,
 
         virtual ~XResultSet_impl() override;
 
-        virtual std::unique_ptr<ContentEventNotifier> cDEL() override
-        {
-            return nullptr;
-        }
-
-        virtual std::unique_ptr<ContentEventNotifier> cEXC( const OUString& ) override
-        {
-            return nullptr;
-        }
-
-        virtual std::unique_ptr<ContentEventNotifier> cCEL() override
-        {
-            return nullptr;
-        }
-
-        virtual std::unique_ptr<PropertySetInfoChangeNotifier> cPSL() override
-        {
-            return nullptr;
-        }
-
-        virtual std::unique_ptr<PropertyChangeNotifier> cPCL() override
-        {
-            return nullptr;
-        }
-
         sal_Int32 CtorSuccess() { return m_nErrorCode;}
         sal_Int32 getMinorError() { return m_nMinorErrorCode;}
 

ucb/source/ucp/file/filtask.cxx

@@ -2514,6 +2514,7 @@ TaskManager::getv(
     else
         aIsRegular = aFileStatus.getFileType() == osl::FileStatus::Regular;
 
+    if (pNotifier)
         registerNotifier( aUnqPath,pNotifier );
     insertDefaultProperties( aUnqPath );
     {
@@ -2533,6 +2534,7 @@ TaskManager::getv(
                 return it1->getValue();
             });
     }
+    if (pNotifier)
         deregisterNotifier( aUnqPath,pNotifier );
 
     XRow_impl* p = new XRow_impl( this,seq );