use rtl::Reference in FormControlContainer

instead of manual acquire/release

Change-Id: Ie0fed7db217adea68aaa09cf9de699d488bf84dd

extensions/source/bibliography/formcontrolcontainer.cxx

@@ -35,7 +35,6 @@ namespace bib
 
     FormControlContainer::FormControlContainer( )
         :OLoadListener( m_aMutex )
-        ,m_pFormAdapter( nullptr )
     {
     }
 
@@ -52,9 +51,8 @@ namespace bib
         SAL_WARN_IF( !isFormConnected(), "extensions.biblio", "FormControlContainer::connectForm: not connected!" );
         if ( isFormConnected() )
         {
-            m_pFormAdapter->dispose();
-            m_pFormAdapter->release();
-            m_pFormAdapter = nullptr;
+            m_xFormAdapter->dispose();
+            m_xFormAdapter.clear();
         }
     }
 
@@ -65,9 +63,8 @@ namespace bib
         SAL_WARN_IF( !_rxForm.is(), "extensions.biblio", "FormControlContainer::connectForm: invalid form!" );
         if ( !isFormConnected() && _rxForm.is() )
         {
-            m_pFormAdapter = new OLoadListenerAdapter( _rxForm );
-            m_pFormAdapter->acquire();
-            m_pFormAdapter->Init( this );
+            m_xFormAdapter = new OLoadListenerAdapter( _rxForm );
+            m_xFormAdapter->Init( this );
 
             implSetDesignMode( !m_xForm.is() || !m_xForm->isLoaded() );
         }

extensions/source/bibliography/formcontrolcontainer.hxx

@@ -23,6 +23,7 @@
 #include <cppuhelper/basemutex.hxx>
 #include "loadlisteneradapter.hxx"
 #include <com/sun/star/awt/XControlContainer.hpp>
+#include <rtl/ref.hxx>
 
 
 namespace bib
@@ -33,7 +34,7 @@ namespace bib
             ,public ::bib::OLoadListener
     {
     private:
-        OLoadListenerAdapter*                        m_pFormAdapter;
+        rtl::Reference<OLoadListenerAdapter>         m_xFormAdapter;
         css::uno::Reference< css::form::XLoadable >  m_xForm;
     private:
         void    implSetDesignMode( bool _bDesign );
@@ -42,7 +43,7 @@ namespace bib
         FormControlContainer( );
         virtual ~FormControlContainer( ) override;
 
-        bool        isFormConnected() const { return nullptr != m_pFormAdapter; }
+        bool        isFormConnected() const { return m_xFormAdapter.is(); }
         void        connectForm( const css::uno::Reference< css::form::XLoadable >& _rxForm );
         void        disconnectForm();