loplugin:refcounting in sc

Change-Id: Id0ba24985aab36b931fa74b266dc5bf0bef62bb7
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111273
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

40 files changed, 115 insertions, 158 deletions

diff --git a/sc/inc/cellsuno.hxx b/sc/inc/cellsuno.hxx
index ee6b59eec1ab..3c19e9ff88de 100644
--- a/sc/inc/cellsuno.hxx
+++ b/sc/inc/cellsuno.hxx
@@ -1096,7 +1096,7 @@ private:
     ScRange                 aTotalRange;
 
 private:
-    ScCellRangeObj*         GetObjectByIndex_Impl(tools::Long nIndex) const;
+    rtl::Reference<ScCellRangeObj> GetObjectByIndex_Impl(tools::Long nIndex) const;
 
 public:
                             ScCellFormatsObj(ScDocShell* pDocSh, const ScRange& rR);
@@ -1137,7 +1137,7 @@ private:
 
 private:
     void                    Advance_Impl();
-    ScCellRangeObj*         NextObject_Impl();
+    rtl::Reference<ScCellRangeObj> NextObject_Impl();
 
 public:
                             ScCellFormatsEnumeration(ScDocShell* pDocSh, const ScRange& rR);
diff --git a/sc/source/core/data/dpobject.cxx b/sc/source/core/data/dpobject.cxx
index f9951cb8da04..b31d9045f79e 100644
--- a/sc/source/core/data/dpobject.cxx
+++ b/sc/source/core/data/dpobject.cxx
@@ -751,8 +751,7 @@ void ScDPObject::CreateObjects()
                     pData->SetEmptyFlags(pSaveData->GetIgnoreEmptyRows(), pSaveData->GetRepeatIfEmpty());
 
                 pData->ReloadCacheTable();
-                ScDPSource* pSource = new ScDPSource( pData );
-                xSource = pSource;
+                xSource = new ScDPSource( pData );
             }
         }
 
diff --git a/sc/source/filter/xml/XMLChangeTrackingExportHelper.cxx b/sc/source/filter/xml/XMLChangeTrackingExportHelper.cxx
index 02e0b7b2cbec..772d59a9d65f 100644
--- a/sc/source/filter/xml/XMLChangeTrackingExportHelper.cxx
+++ b/sc/source/filter/xml/XMLChangeTrackingExportHelper.cxx
@@ -41,8 +41,7 @@ using namespace xmloff::token;
 
 ScChangeTrackingExportHelper::ScChangeTrackingExportHelper(ScXMLExport& rTempExport)
     : rExport(rTempExport),
-    pChangeTrack(nullptr),
-    pEditTextObj(nullptr)
+    pChangeTrack(nullptr)
 {
     pChangeTrack = rExport.GetDocument() ? rExport.GetDocument()->GetChangeTrack() : nullptr;
 }
@@ -287,13 +286,9 @@ void ScChangeTrackingExportHelper::WriteEditCell(const ScCellValue& rCell)
     if (rCell.mpEditText && !sString.isEmpty())
     {
         if (!pEditTextObj)
-        {
             pEditTextObj = new ScEditEngineTextObj();
-            xText.set(pEditTextObj);
-        }
         pEditTextObj->SetText(*rCell.mpEditText);
-        if (xText.is())
-            rExport.GetTextParagraphExport()->exportText(xText, false, false);
+        rExport.GetTextParagraphExport()->exportText(pEditTextObj, false, false);
     }
 }
 
@@ -597,14 +592,10 @@ void ScChangeTrackingExportHelper::CollectCellAutoStyles(const ScCellValue& rCel
         return;
 
     if (!pEditTextObj)
-    {
         pEditTextObj = new ScEditEngineTextObj();
-        xText.set(pEditTextObj);
-    }
 
     pEditTextObj->SetText(*rCell.mpEditText);
-    if (xText.is())
-        rExport.GetTextParagraphExport()->collectTextAutoStyles(xText, false, false);
+    rExport.GetTextParagraphExport()->collectTextAutoStyles(pEditTextObj, false, false);
 }
 
 void ScChangeTrackingExportHelper::CollectActionAutoStyles(const ScChangeAction* pAction)
diff --git a/sc/source/filter/xml/XMLChangeTrackingExportHelper.hxx b/sc/source/filter/xml/XMLChangeTrackingExportHelper.hxx
index fa7c3a941176..c9c12c217653 100644
--- a/sc/source/filter/xml/XMLChangeTrackingExportHelper.hxx
+++ b/sc/source/filter/xml/XMLChangeTrackingExportHelper.hxx
@@ -21,6 +21,7 @@
 #define INCLUDED_SC_SOURCE_FILTER_XML_XMLCHANGETRACKINGEXPORTHELPER_HXX
 
 #include <xmloff/xmltoken.hxx>
+#include <rtl/ref.hxx>
 
 namespace com::sun::star::text
 {
@@ -40,8 +41,7 @@ class ScChangeTrackingExportHelper
     ScXMLExport& rExport;
 
     ScChangeTrack* pChangeTrack;
-    ScEditEngineTextObj* pEditTextObj;
-    css::uno::Reference<css::text::XText> xText;
+    rtl::Reference<ScEditEngineTextObj> pEditTextObj;
 
     static OUString GetChangeID(const sal_uInt32 nActionNumber);
     void GetAcceptanceState(const ScChangeAction* pAction);
diff --git a/sc/source/filter/xml/xmlexprt.cxx b/sc/source/filter/xml/xmlexprt.cxx
index 171d36e02ffb..7e95ae713000 100644
--- a/sc/source/filter/xml/xmlexprt.cxx
+++ b/sc/source/filter/xml/xmlexprt.cxx
@@ -3380,10 +3380,10 @@ void ScXMLExport::ExportShape(const uno::Reference < drawing::XShape >& xShape,
                                     if ( !sRanges.isEmpty() )
                                     {
                                         bIsChart = true;
-                                        SvXMLAttributeList* pAttrList = new SvXMLAttributeList();
+                                        rtl::Reference<SvXMLAttributeList> pAttrList = new SvXMLAttributeList();
                                         pAttrList->AddAttribute(
                                             GetNamespaceMap().GetQNameByKey( XML_NAMESPACE_DRAW, GetXMLToken( XML_NOTIFY_ON_UPDATE_OF_RANGES ) ), sRanges );
-                                        GetShapeExport()->exportShape( xShape, SEF_DEFAULT, pPoint, pAttrList );
+                                        GetShapeExport()->exportShape( xShape, SEF_DEFAULT, pPoint, pAttrList.get() );
                                     }
                                 }
                             }
@@ -3405,7 +3405,7 @@ void ScXMLExport::ExportShape(const uno::Reference < drawing::XShape >& xShape,
                                 bIsChart = true;
                                 uno::Sequence< OUString > aRepresentations(
                                     xReceiver->getUsedRangeRepresentations());
-                                SvXMLAttributeList* pAttrList = nullptr;
+                                rtl::Reference<SvXMLAttributeList> pAttrList;
                                 if(aRepresentations.hasElements())
                                 {
                                     // add the ranges used by the chart to the shape
@@ -3417,7 +3417,7 @@ void ScXMLExport::ExportShape(const uno::Reference < drawing::XShape >& xShape,
                                     pAttrList->AddAttribute(
                                         GetNamespaceMap().GetQNameByKey( XML_NAMESPACE_DRAW, GetXMLToken(XML_NOTIFY_ON_UPDATE_OF_RANGES) ), sRanges );
                                 }
-                                GetShapeExport()->exportShape(xShape, SEF_DEFAULT, pPoint, pAttrList);
+                                GetShapeExport()->exportShape(xShape, SEF_DEFAULT, pPoint, pAttrList.get());
                             }
                         }
                     }
diff --git a/sc/source/ui/Accessibility/AccessibleCell.cxx b/sc/source/ui/Accessibility/AccessibleCell.cxx
index 734e9e085302..bb434037438a 100644
--- a/sc/source/ui/Accessibility/AccessibleCell.cxx
+++ b/sc/source/ui/Accessibility/AccessibleCell.cxx
@@ -227,7 +227,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
@@ -277,13 +277,13 @@ uno::Reference<XAccessibleRelationSet> SAL_CALL
 {
     SolarMutexGuard aGuard;
     IsObjectValid();
-    utl::AccessibleRelationSetHelper* pRelationSet = nullptr;
+    rtl::Reference<utl::AccessibleRelationSetHelper> pRelationSet;
     if (mpAccDoc)
         pRelationSet = mpAccDoc->GetRelationSet(&maCellAddress);
     if (!pRelationSet)
         pRelationSet = new utl::AccessibleRelationSetHelper();
-    FillDependents(pRelationSet);
-    FillPrecedents(pRelationSet);
+    FillDependents(pRelationSet.get());
+    FillPrecedents(pRelationSet.get());
     return pRelationSet;
 }
 
diff --git a/sc/source/ui/Accessibility/AccessibleCsvControl.cxx b/sc/source/ui/Accessibility/AccessibleCsvControl.cxx
index fc3157cf57a0..6c5867c12093 100644
--- a/sc/source/ui/Accessibility/AccessibleCsvControl.cxx
+++ b/sc/source/ui/Accessibility/AccessibleCsvControl.cxx
@@ -158,10 +158,10 @@ ScCsvControl& ScAccessibleCsvControl::implGetControl() const
     return *mpControl;
 }
 
-AccessibleStateSetHelper* ScAccessibleCsvControl::implCreateStateSet()
+rtl::Reference<AccessibleStateSetHelper> ScAccessibleCsvControl::implCreateStateSet()
 {
     SolarMutexGuard aGuard;
-    AccessibleStateSetHelper* pStateSet = new AccessibleStateSetHelper();
+    rtl::Reference<AccessibleStateSetHelper> pStateSet = new AccessibleStateSetHelper();
     if (isAlive())
     {
         const ScCsvControl& rCtrl = implGetControl();
@@ -291,7 +291,7 @@ Reference< XAccessibleRelationSet > SAL_CALL ScAccessibleCsvRuler::getAccessible
 {
     SolarMutexGuard aGuard;
     ensureAlive();
-    AccessibleRelationSetHelper* pRelationSet = new AccessibleRelationSetHelper();
+    rtl::Reference<AccessibleRelationSetHelper> pRelationSet = new AccessibleRelationSetHelper();
 
     ScCsvRuler& rRuler = implGetRuler();
     ScCsvTableBox* pTableBox = rRuler.GetTableBox();
@@ -311,7 +311,7 @@ Reference< XAccessibleRelationSet > SAL_CALL ScAccessibleCsvRuler::getAccessible
 Reference< XAccessibleStateSet > SAL_CALL ScAccessibleCsvRuler::getAccessibleStateSet()
 {
     SolarMutexGuard aGuard;
-    AccessibleStateSetHelper* pStateSet = implCreateStateSet();
+    rtl::Reference<AccessibleStateSetHelper> pStateSet = implCreateStateSet();
     if( isAlive() )
     {
         pStateSet->AddState( AccessibleStateType::FOCUSABLE );
@@ -851,7 +851,7 @@ Reference< XAccessibleRelationSet > SAL_CALL ScAccessibleCsvGrid::getAccessibleR
 {
     SolarMutexGuard aGuard;
     ensureAlive();
-    AccessibleRelationSetHelper* pRelationSet = new AccessibleRelationSetHelper();
+    rtl::Reference<AccessibleRelationSetHelper> pRelationSet = new AccessibleRelationSetHelper();
 
     ScCsvGrid& rGrid = implGetGrid();
     ScCsvTableBox* pTableBox = rGrid.GetTableBox();
@@ -874,7 +874,7 @@ Reference< XAccessibleRelationSet > SAL_CALL ScAccessibleCsvGrid::getAccessibleR
 Reference< XAccessibleStateSet > SAL_CALL ScAccessibleCsvGrid::getAccessibleStateSet()
 {
     SolarMutexGuard aGuard;
-    AccessibleStateSetHelper* pStateSet = implCreateStateSet();
+    rtl::Reference<AccessibleStateSetHelper> pStateSet = implCreateStateSet();
     if( isAlive() )
     {
         pStateSet->AddState( AccessibleStateType::FOCUSABLE );
@@ -1358,7 +1358,7 @@ Reference< XAccessibleRelationSet > SAL_CALL ScAccessibleCsvCell::getAccessibleR
 Reference< XAccessibleStateSet > SAL_CALL ScAccessibleCsvCell::getAccessibleStateSet()
 {
     SolarMutexGuard aGuard;
-    AccessibleStateSetHelper* pStateSet = implCreateStateSet();
+    rtl::Reference<AccessibleStateSetHelper> pStateSet = implCreateStateSet();
     if( isAlive() )
     {
         const ScCsvGrid& rGrid = implGetGrid();
diff --git a/sc/source/ui/Accessibility/AccessibleDocument.cxx b/sc/source/ui/Accessibility/AccessibleDocument.cxx
index ef0dd31d337a..2fcd982ae3a2 100644
--- a/sc/source/ui/Accessibility/AccessibleDocument.cxx
+++ b/sc/source/ui/Accessibility/AccessibleDocument.cxx
@@ -247,7 +247,7 @@ public:
 
     SdrPage* GetDrawPage() const;
 
-    utl::AccessibleRelationSetHelper* GetRelationSet(const ScAddress* pAddress) const;
+    rtl::Reference<utl::AccessibleRelationSetHelper> GetRelationSet(const ScAddress* pAddress) const;
 
     void VisAreaChanged() const;
 private:
@@ -887,9 +887,9 @@ SdrPage* ScChildrenShapes::GetDrawPage() const
     return pDrawPage;
 }
 
-utl::AccessibleRelationSetHelper* ScChildrenShapes::GetRelationSet(const ScAddress* pAddress) const
+rtl::Reference<utl::AccessibleRelationSetHelper> ScChildrenShapes::GetRelationSet(const ScAddress* pAddress) const
 {
-    utl::AccessibleRelationSetHelper* pRelationSet = nullptr;
+    rtl::Reference<utl::AccessibleRelationSetHelper> pRelationSet;
     for (const ScAccessibleShapeData* pAccShapeData : maZOrderedShapes)
     {
         if (pAccShapeData &&
@@ -1136,7 +1136,7 @@ std::optional<ScAddress> ScChildrenShapes::GetAnchor(const uno::Reference<drawin
 
 uno::Reference<XAccessibleRelationSet> ScChildrenShapes::GetRelationSet(const ScAccessibleShapeData* pData) const
 {
-    utl::AccessibleRelationSetHelper* pRelationSet = new utl::AccessibleRelationSetHelper();
+    rtl::Reference<utl::AccessibleRelationSetHelper> pRelationSet = new utl::AccessibleRelationSetHelper();
 
     if (pData && mpAccessibleDocument)
     {
@@ -1327,7 +1327,6 @@ ScAccessibleDocument::ScAccessibleDocument(
     : ScAccessibleDocumentBase(rxParent),
     mpViewShell(pViewShell),
     meSplitPos(eSplitPos),
-    mpTempAccEdit(nullptr),
     mbCompleteSheetSelected(false)
 {
     maVisArea = GetVisibleArea_Impl();
@@ -1739,7 +1738,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
@@ -2034,9 +2033,9 @@ Size ScAccessibleDocument::LogicToPixel (const Size& rSize) const
 
     //=====  internal  ========================================================
 
-utl::AccessibleRelationSetHelper* ScAccessibleDocument::GetRelationSet(const ScAddress* pAddress) const
+rtl::Reference<utl::AccessibleRelationSetHelper> ScAccessibleDocument::GetRelationSet(const ScAddress* pAddress) const
 {
-    utl::AccessibleRelationSetHelper* pRelationSet = nullptr;
+    rtl::Reference<utl::AccessibleRelationSetHelper> pRelationSet;
     if (mpChildrenShapes)
         pRelationSet = mpChildrenShapes->GetRelationSet(pAddress);
     return pRelationSet;
diff --git a/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx b/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx
index 44c36c2a5d77..336fd112af8b 100644
--- a/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx
+++ b/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx
@@ -1429,7 +1429,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL ScAccessibleDocumentPagePreview::ge
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
diff --git a/sc/source/ui/Accessibility/AccessibleEditObject.cxx b/sc/source/ui/Accessibility/AccessibleEditObject.cxx
index d0afd2c8196c..d416b452ddfa 100644
--- a/sc/source/ui/Accessibility/AccessibleEditObject.cxx
+++ b/sc/source/ui/Accessibility/AccessibleEditObject.cxx
@@ -274,7 +274,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
@@ -516,8 +516,7 @@ uno::Reference< XAccessibleRelationSet > ScAccessibleEditObject::getAccessibleRe
 {
     SolarMutexGuard aGuard;
     vcl::Window* pWindow = mpWindow;
-    utl::AccessibleRelationSetHelper* rRelationSet = new utl::AccessibleRelationSetHelper;
-    uno::Reference< XAccessibleRelationSet > rSet = rRelationSet;
+    rtl::Reference<utl::AccessibleRelationSetHelper> rRelationSet = new utl::AccessibleRelationSetHelper;
     if ( pWindow )
     {
         vcl::Window *pLabeledBy = pWindow->GetAccessibleRelationLabeledBy();
@@ -532,7 +531,7 @@ uno::Reference< XAccessibleRelationSet > ScAccessibleEditObject::getAccessibleRe
             uno::Sequence< uno::Reference< uno::XInterface > > aSequence { pMemberOf->GetAccessible() };
             rRelationSet->AddRelation( AccessibleRelation( AccessibleRelationType::MEMBER_OF, aSequence ) );
         }
-        return rSet;
+        return rRelationSet;
     }
     return uno::Reference< XAccessibleRelationSet >();
 }
diff --git a/sc/source/ui/Accessibility/AccessiblePageHeader.cxx b/sc/source/ui/Accessibility/AccessiblePageHeader.cxx
index 41d189325f3a..473835441a6e 100644
--- a/sc/source/ui/Accessibility/AccessiblePageHeader.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePageHeader.cxx
@@ -258,7 +258,7 @@ uno::Reference< XAccessibleStateSet > SAL_CALL ScAccessiblePageHeader::getAccess
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
diff --git a/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx b/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx
index f3e8e0c962f3..9ea60780bfea 100644
--- a/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx
@@ -149,7 +149,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc())
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
diff --git a/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx b/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx
index e6d28dc83531..544775e79a7a 100644
--- a/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx
@@ -149,7 +149,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL ScAccessiblePreviewCell::getAccessi
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
diff --git a/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx b/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
index 8d2b6cafcf68..c99fb36e8864 100644
--- a/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
@@ -233,7 +233,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL ScAccessiblePreviewHeaderCell::getA
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
diff --git a/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx b/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
index aced9a883d98..7eea5d79ebc2 100644
--- a/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
@@ -507,7 +507,7 @@ uno::Reference< XAccessibleStateSet > SAL_CALL ScAccessiblePreviewTable::getAcce
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
diff --git a/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx b/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx
index 23de41a4bec4..aee01834103e 100644
--- a/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx
+++ b/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx
@@ -1002,12 +1002,12 @@ sal_Int32 SAL_CALL ScAccessibleSpreadsheet::getBackground(  )
 
 uno::Reference<XAccessibleRelationSet> SAL_CALL ScAccessibleSpreadsheet::getAccessibleRelationSet()
 {
-    utl::AccessibleRelationSetHelper* pRelationSet = nullptr;
+    rtl::Reference<utl::AccessibleRelationSetHelper> pRelationSet;
     if(mpAccDoc)
         pRelationSet = mpAccDoc->GetRelationSet(nullptr);
-    if (!pRelationSet)
-        pRelationSet = new utl::AccessibleRelationSetHelper();
-    return pRelationSet;
+    if (pRelationSet)
+        return pRelationSet;
+    return new utl::AccessibleRelationSetHelper();
 }
 
 uno::Reference<XAccessibleStateSet> SAL_CALL
@@ -1020,7 +1020,7 @@ uno::Reference<XAccessibleStateSet> SAL_CALL
         uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
         xParentStates = xParentContext->getAccessibleStateSet();
     }
-    utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
     if (IsDefunc(xParentStates))
         pStateSet->AddState(AccessibleStateType::DEFUNC);
     else
diff --git a/sc/source/ui/app/drwtrans.cxx b/sc/source/ui/app/drwtrans.cxx
index a3526cebb19d..e76b0e783734 100644
--- a/sc/source/ui/app/drwtrans.cxx
+++ b/sc/source/ui/app/drwtrans.cxx
@@ -668,7 +668,7 @@ void ScDrawTransferObj::CreateOLEData()
         // No OLE object present.
         return;
 
-    SvEmbedTransferHelper* pEmbedTransfer =
+    rtl::Reference<SvEmbedTransferHelper> pEmbedTransfer =
         new SvEmbedTransferHelper(
             pObj->GetObjRef(), pObj->GetGraphic(), pObj->GetAspect());
 
diff --git a/sc/source/ui/app/inputwin.cxx b/sc/source/ui/app/inputwin.cxx
index cd9961bc364b..0429da49731c 100644
--- a/sc/source/ui/app/inputwin.cxx
+++ b/sc/source/ui/app/inputwin.cxx
@@ -1551,7 +1551,6 @@ void ScTextWnd::InitEditEngine()
 }
 
 ScTextWnd::ScTextWnd(ScTextWndGroup& rParent, ScTabViewShell* pViewSh) :
-        pAcc(nullptr),
         bIsRTL(AllSettings::GetLayoutRTL()),
         bIsInsertMode(true),
         bFormulaMode (false),
diff --git a/sc/source/ui/app/seltrans.cxx b/sc/source/ui/app/seltrans.cxx
index 193113429fb8..ce3624b27c85 100644
--- a/sc/source/ui/app/seltrans.cxx
+++ b/sc/source/ui/app/seltrans.cxx
@@ -66,9 +66,9 @@ static bool lcl_IsURLButton( SdrObject* pObject )
     return bRet;
 }
 
-ScSelectionTransferObj* ScSelectionTransferObj::CreateFromView( ScTabView* pView )
+rtl::Reference<ScSelectionTransferObj> ScSelectionTransferObj::CreateFromView( ScTabView* pView )
 {
-    ScSelectionTransferObj* pRet = nullptr;
+    rtl::Reference<ScSelectionTransferObj> pRet;
 
     try
     {
diff --git a/sc/source/ui/drawfunc/fuins2.cxx b/sc/source/ui/drawfunc/fuins2.cxx
index 680e91765af5..3b46a14e190d 100644
--- a/sc/source/ui/drawfunc/fuins2.cxx
+++ b/sc/source/ui/drawfunc/fuins2.cxx
@@ -670,11 +670,10 @@ FuInsertChart::FuInsertChart(ScTabViewShell& rViewSh, vcl::Window* pWin, ScDrawV
                     }
 
                     pView->AddUndo(std::make_unique<SdrUndoNewObj>(*pObj));
-                    ::svt::DialogClosedListener* pListener = new ::svt::DialogClosedListener();
+                    rtl::Reference<::svt::DialogClosedListener> pListener = new ::svt::DialogClosedListener();
                     pListener->SetDialogClosedLink( rLink );
-                    css::uno::Reference<css::ui::dialogs::XDialogClosedListener> xListener( pListener );
 
-                    xDialog->startExecuteModal( xListener );
+                    xDialog->startExecuteModal( pListener );
                 }
                 else
                 {
diff --git a/sc/source/ui/inc/AccessibleCsvControl.hxx b/sc/source/ui/inc/AccessibleCsvControl.hxx
index 975698d94dde..9cdd4c021d7d 100644
--- a/sc/source/ui/inc/AccessibleCsvControl.hxx
+++ b/sc/source/ui/inc/AccessibleCsvControl.hxx
@@ -80,7 +80,7 @@ protected:
     ScCsvControl& implGetControl() const;
 
     /** Creates a StateSetHelper and fills it with DEFUNC, OPAQUE, ENABLED, SHOWING and VISIBLE. */
-    ::utl::AccessibleStateSetHelper* implCreateStateSet();
+    rtl::Reference<::utl::AccessibleStateSetHelper> implCreateStateSet();
 };
 
 class ScCsvRuler;
diff --git a/sc/source/ui/inc/AccessibleDocument.hxx b/sc/source/ui/inc/AccessibleDocument.hxx
index 975046b55be5..acff21367fcf 100644
--- a/sc/source/ui/inc/AccessibleDocument.hxx
+++ b/sc/source/ui/inc/AccessibleDocument.hxx
@@ -204,7 +204,7 @@ public:
 
     ///======== internal =====================================================
 
-    utl::AccessibleRelationSetHelper* GetRelationSet(const ScAddress* pAddress) const;
+    rtl::Reference<utl::AccessibleRelationSetHelper> GetRelationSet(const ScAddress* pAddress) const;
 
     css::uno::Reference< css::accessibility::XAccessible >
         GetAccessibleSpreadsheet();
@@ -229,7 +229,7 @@ private:
     ScSplitPos      meSplitPos;
     rtl::Reference<ScAccessibleSpreadsheet> mpAccessibleSpreadsheet;
     std::unique_ptr<ScChildrenShapes> mpChildrenShapes;
-    ScAccessibleEditObject* mpTempAccEdit;
+    rtl::Reference<ScAccessibleEditObject> mpTempAccEdit;
     css::uno::Reference<css::accessibility::XAccessible> mxTempAcc;
     tools::Rectangle maVisArea;
     bool mbCompleteSheetSelected;
diff --git a/sc/source/ui/inc/inputwin.hxx b/sc/source/ui/inc/inputwin.hxx
index eb1e138b24e2..382c31b0efb0 100644
--- a/sc/source/ui/inc/inputwin.hxx
+++ b/sc/source/ui/inc/inputwin.hxx
@@ -139,7 +139,7 @@ private:
 
     typedef ::std::vector< ScAccessibleEditLineTextData* > AccTextDataVector;
 
-    ScAccessibleEditObject* pAcc;
+    rtl::Reference<ScAccessibleEditObject> pAcc;
 
     OUString    aString;
     vcl::Font   aTextFont;
diff --git a/sc/source/ui/inc/seltrans.hxx b/sc/source/ui/inc/seltrans.hxx
index 83adb2c11eb2..108a0dab2f35 100644
--- a/sc/source/ui/inc/seltrans.hxx
+++ b/sc/source/ui/inc/seltrans.hxx
@@ -54,7 +54,7 @@ private:
 public:
             // creates an object if the view has a valid selection,
             // returns NULL otherwise
-    static ScSelectionTransferObj* CreateFromView( ScTabView* pSource );
+    static rtl::Reference<ScSelectionTransferObj> CreateFromView( ScTabView* pSource );
 
     virtual     ~ScSelectionTransferObj() override;
 
diff --git a/sc/source/ui/inc/tphfedit.hxx b/sc/source/ui/inc/tphfedit.hxx
index 7d67a7500297..5bce89b41f4a 100644
--- a/sc/source/ui/inc/tphfedit.hxx
+++ b/sc/source/ui/inc/tphfedit.hxx
@@ -25,6 +25,7 @@
 #include <cppuhelper/weakref.hxx>
 #include <svx/weldeditview.hxx>
 #include <editeng/svxenum.hxx>
+#include <unotools/weakref.hxx>
 
 #include <functional>
 
@@ -78,8 +79,7 @@ private:
     bool mbRTL;
     weld::Window* mpDialog;
 
-    css::uno::WeakReference< css::accessibility::XAccessible > xAcc;
-    ScAccessibleEditObject* pAcc;
+    unotools::WeakReference<ScAccessibleEditObject> mxAcc;
 
     Link<ScEditWindow&,void> aObjectSelectLink;
     std::function<void (ScEditWindow&)> m_GetFocusLink;
diff --git a/sc/source/ui/inc/viewfunc.hxx b/sc/source/ui/inc/viewfunc.hxx
index 2e90c8b5cc4e..9431c9aa16da 100644
--- a/sc/source/ui/inc/viewfunc.hxx
+++ b/sc/source/ui/inc/viewfunc.hxx
@@ -116,7 +116,7 @@ public:
                                             bool bIncludeObjects );
     bool                        CopyToClipMultiRange( const ScDocument* pClipDoc, const ScRangeList& rRanges, bool bCut,
                                             bool bApi, bool bIncludeObjects );
-    ScTransferObj*              CopyToTransferable();
+    rtl::Reference<ScTransferObj> CopyToTransferable();
     SC_DLLPUBLIC bool           PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
                                     ScPasteFunc nFunction = ScPasteFunc::NONE, bool bSkipEmpty = false,
                                     bool bTranspose = false, bool bAsLink = false,
diff --git a/sc/source/ui/pagedlg/tphfedit.cxx b/sc/source/ui/pagedlg/tphfedit.cxx
index 16be645815ac..c2c6ac4f16f1 100644
--- a/sc/source/ui/pagedlg/tphfedit.cxx
+++ b/sc/source/ui/pagedlg/tphfedit.cxx
@@ -59,7 +59,6 @@ ScEditWindow::ScEditWindow(ScEditWindowLocation eLoc, weld::Window* pDialog)
     : eLocation(eLoc)
     , mbRTL(ScGlobal::IsSystemRTL())
     , mpDialog(pDialog)
-    , pAcc(nullptr)
 {
 }
 
@@ -88,7 +87,8 @@ void ScEditWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
     if (mbRTL)
         m_xEditEngine->SetDefaultHorizontalTextDirection(EEHorizontalTextDirection::R2L);
 
-    if (!pAcc)
+    auto tmpAcc = mxAcc.get();
+    if (!tmpAcc)
         return;
 
     OUString sName;
@@ -105,19 +105,15 @@ void ScEditWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
             break;
     }
 
-    pAcc->InitAcc(nullptr, m_xEditView.get(), nullptr, nullptr,
+    tmpAcc->InitAcc(nullptr, m_xEditView.get(), nullptr, nullptr,
                   sName, pDrawingArea->get_tooltip_text());
 }
 
 ScEditWindow::~ScEditWindow()
 {
     // delete Accessible object before deleting EditEngine and EditView
-    if (pAcc)
-    {
-        css::uno::Reference< css::accessibility::XAccessible > xTemp = xAcc;
-        if (xTemp.is())
-            pAcc->dispose();
-    }
+    if (auto tmp = mxAcc.get())
+        tmp->dispose();
 }
 
 void ScEditWindow::SetNumType(SvxNumType eNumType)
@@ -224,26 +220,18 @@ void ScEditWindow::GetFocus()
     assert(m_GetFocusLink);
     m_GetFocusLink(*this);
 
-    css::uno::Reference< css::accessibility::XAccessible > xTemp = xAcc;
-    if (xTemp.is() && pAcc)
-    {
-        pAcc->GotFocus();
-    }
-    else
-        pAcc = nullptr;
+    if (auto tmp = mxAcc.get())
+        tmp->GotFocus();
 
     WeldEditView::GetFocus();
 }
 
 void ScEditWindow::LoseFocus()
 {
-    css::uno::Reference< css::accessibility::XAccessible > xTemp = xAcc;
-    if (xTemp.is() && pAcc)
-    {
-        pAcc->LostFocus();
-    }
+    if (auto xTemp = mxAcc.get())
+        xTemp->LostFocus();
     else
-        pAcc = nullptr;
+        mxAcc = nullptr;
     WeldEditView::LoseFocus();
 }
 
@@ -261,10 +249,9 @@ bool ScEditWindow::MouseButtonDown(const MouseEvent& rMEvt)
 
 css::uno::Reference< css::accessibility::XAccessible > ScEditWindow::CreateAccessible()
 {
-    pAcc = new ScAccessibleEditControlObject(this, ScAccessibleEditObject::EditControl);
-    css::uno::Reference< css::accessibility::XAccessible > xAccessible = pAcc;
-    xAcc = xAccessible;
-    return pAcc;
+    rtl::Reference<ScAccessibleEditControlObject> tmp = new ScAccessibleEditControlObject(this, ScAccessibleEditObject::EditControl);
+    mxAcc = tmp.get();
+    return css::uno::Reference<css::accessibility::XAccessible>(static_cast<cppu::OWeakObject*>(tmp.get()), css::uno::UNO_QUERY_THROW);
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/unoobj/cellsuno.cxx b/sc/source/ui/unoobj/cellsuno.cxx
index 94b3dea9b100..993cc5babce5 100644
--- a/sc/source/ui/unoobj/cellsuno.cxx
+++ b/sc/source/ui/unoobj/cellsuno.cxx
@@ -5372,7 +5372,7 @@ uno::Reference<sheet::XSheetFilterDescriptor> SAL_CALL ScCellRangeObj::createFil
 {
     SolarMutexGuard aGuard;
     ScDocShell* pDocSh = GetDocShell();
-    ScFilterDescriptor* pNew = new ScFilterDescriptor(pDocSh);
+    rtl::Reference<ScFilterDescriptor> pNew = new ScFilterDescriptor(pDocSh);
     if ( !bEmpty && pDocSh )
     {
         // create DB-Area only during execution; API always the exact area
@@ -5533,7 +5533,7 @@ uno::Reference<sheet::XSubTotalDescriptor> SAL_CALL ScCellRangeObj::createSubTot
                                 sal_Bool bEmpty )
 {
     SolarMutexGuard aGuard;
-    ScSubTotalDescriptor* pNew = new ScSubTotalDescriptor;
+    rtl::Reference<ScSubTotalDescriptor> pNew = new ScSubTotalDescriptor;
     ScDocShell* pDocSh = GetDocShell();
     if ( !bEmpty && pDocSh )
     {
@@ -6005,8 +6005,7 @@ uno::Reference<text::XTextCursor> SAL_CALL ScCellObj::createTextCursorByRange(
                                     const uno::Reference<text::XTextRange>& aTextPosition )
 {
     SolarMutexGuard aGuard;
-    SvxUnoTextCursor* pCursor = new ScCellTextCursor( *this );
-    uno::Reference<text::XTextCursor> xCursor(pCursor);
+    rtl::Reference<SvxUnoTextCursor> pCursor = new ScCellTextCursor( *this );
 
     SvxUnoTextRangeBase* pRange = comphelper::getUnoTunnelImplementation<SvxUnoTextRangeBase>( aTextPosition );
     if(pRange)
@@ -6021,7 +6020,7 @@ uno::Reference<text::XTextCursor> SAL_CALL ScCellObj::createTextCursorByRange(
 
     }
 
-    return xCursor;
+    return pCursor;
 }
 
 OUString SAL_CALL ScCellObj::getString()
@@ -8858,11 +8857,11 @@ void ScCellFormatsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     }
 }
 
-ScCellRangeObj* ScCellFormatsObj::GetObjectByIndex_Impl(tools::Long nIndex) const
+rtl::Reference<ScCellRangeObj> ScCellFormatsObj::GetObjectByIndex_Impl(tools::Long nIndex) const
 {
     //! access the AttrArrays directly !!!!
 
-    ScCellRangeObj* pRet = nullptr;
+    rtl::Reference<ScCellRangeObj> pRet;
     if (pDocShell)
     {
         ScDocument& rDoc = pDocShell->GetDocument();
@@ -8996,9 +8995,9 @@ void ScCellFormatsEnumeration::Advance_Impl()
         bAtEnd = true;          // document vanished or so
 }
 
-ScCellRangeObj* ScCellFormatsEnumeration::NextObject_Impl()
+rtl::Reference<ScCellRangeObj> ScCellFormatsEnumeration::NextObject_Impl()
 {
-    ScCellRangeObj* pRet = nullptr;
+    rtl::Reference<ScCellRangeObj> pRet;
     if (pDocShell && !bAtEnd)
     {
         if ( aNext.aStart == aNext.aEnd )
diff --git a/sc/source/ui/unoobj/chart2uno.cxx b/sc/source/ui/unoobj/chart2uno.cxx
index 0f385b6729b4..708833db0b1f 100644
--- a/sc/source/ui/unoobj/chart2uno.cxx
+++ b/sc/source/ui/unoobj/chart2uno.cxx
@@ -1478,7 +1478,7 @@ ScChart2DataProvider::createDataSource(
         // No chart position map instance.  Bail out.
         return xResult;
 
-    ScChart2DataSource* pDS = nullptr;
+    rtl::Reference<ScChart2DataSource> pDS;
     ::std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > aSeqs;
 
     // Fill Categories
diff --git a/sc/source/ui/unoobj/docuno.cxx b/sc/source/ui/unoobj/docuno.cxx
index 6af98b387a1b..1cfcb23aad8e 100644
--- a/sc/source/ui/unoobj/docuno.cxx
+++ b/sc/source/ui/unoobj/docuno.cxx
@@ -834,10 +834,7 @@ uno::Reference<datatransfer::XTransferable> ScModelObj::getSelection()
     else if ( ScDrawShell * pDrawShell = dynamic_cast<ScDrawShell*>( pViewData->GetViewShell()->GetViewFrame()->GetDispatcher()->GetShell(0) ) )
         xTransferable = pDrawShell->GetDrawView()->CopyToTransferable();
     else
-    {
-        ScTransferObj* pObj = pViewData->GetViewShell()->CopyToTransferable();
-        xTransferable.set( pObj );
-    }
+        xTransferable = pViewData->GetViewShell()->CopyToTransferable();
 
     if (!xTransferable.is())
         xTransferable.set( aDataHelper.GetTransferable() );
@@ -2498,7 +2495,7 @@ uno::Reference<sheet::XConsolidationDescriptor> SAL_CALL ScModelObj::createConso
                                 sal_Bool bEmpty )
 {
     SolarMutexGuard aGuard;
-    ScConsolidationDescriptor* pNew = new ScConsolidationDescriptor;
+    rtl::Reference<ScConsolidationDescriptor> pNew = new ScConsolidationDescriptor;
     if ( pDocShell && !bEmpty )
     {
         ScDocument& rDoc = pDocShell->GetDocument();
@@ -2894,7 +2891,7 @@ uno::Any SAL_CALL ScModelObj::getPropertyValue( const OUString& aPropertyName )
         }
         else if ( aPropertyName == SC_UNO_REFERENCEDEVICE )
         {
-            VCLXDevice* pXDev = new VCLXDevice();
+            rtl::Reference<VCLXDevice> pXDev = new VCLXDevice();
             pXDev->SetOutputDevice( rDoc.GetRefDevice() );
             aRet <<= uno::Reference< awt::XDevice >( pXDev );
         }
diff --git a/sc/source/ui/unoobj/fmtuno.cxx b/sc/source/ui/unoobj/fmtuno.cxx
index 7497cd77892d..3534f7cea2ec 100644
--- a/sc/source/ui/unoobj/fmtuno.cxx
+++ b/sc/source/ui/unoobj/fmtuno.cxx
@@ -236,7 +236,7 @@ ScTableConditionalFormat::~ScTableConditionalFormat()
 
 void ScTableConditionalFormat::AddEntry_Impl(const ScCondFormatEntryItem& aEntry)
 {
-    ScTableConditionalEntry* pNew = new ScTableConditionalEntry(aEntry);
+    rtl::Reference<ScTableConditionalEntry> pNew = new ScTableConditionalEntry(aEntry);
     maEntries.emplace_back(pNew);
 }
 
diff --git a/sc/source/ui/unoobj/shapeuno.cxx b/sc/source/ui/unoobj/shapeuno.cxx
index 6dbd130e2e56..7f26e409866c 100644
--- a/sc/source/ui/unoobj/shapeuno.cxx
+++ b/sc/source/ui/unoobj/shapeuno.cxx
@@ -1097,7 +1097,7 @@ void SAL_CALL ScShapeObj::insertTextContent( const uno::Reference<text::XTextRan
         //  To insert it into drawing text, a SvxUnoTextField is needed instead.
         //  The ScCellFieldObj object is left in non-inserted state.
 
-        SvxUnoTextField* pDrawField = new SvxUnoTextField( text::textfield::Type::URL );
+        rtl::Reference<SvxUnoTextField> pDrawField = new SvxUnoTextField( text::textfield::Type::URL );
         xEffContent.set(pDrawField);
         lcl_CopyOneProperty( *pDrawField, *pCellField, SC_UNONAME_URL );
         lcl_CopyOneProperty( *pDrawField, *pCellField, SC_UNONAME_REPR );
@@ -1154,10 +1154,9 @@ uno::Reference<text::XTextCursor> SAL_CALL ScShapeObj::createTextCursorByRange(
         SvxUnoTextRangeBase* pRange = comphelper::getUnoTunnelImplementation<SvxUnoTextRangeBase>( aTextPosition );
         if ( pText && pRange )
         {
-            SvxUnoTextCursor* pCursor = new ScDrawTextCursor( this, *pText );
-            uno::Reference<text::XTextCursor> xCursor( pCursor );
+            rtl::Reference<SvxUnoTextCursor> pCursor = new ScDrawTextCursor( this, *pText );
             pCursor->SetSelection( pRange->GetSelection() );
-            return xCursor;
+            return pCursor;
         }
     }
 
diff --git a/sc/source/ui/unoobj/textuno.cxx b/sc/source/ui/unoobj/textuno.cxx
index 17168e04461a..8af20f45485b 100644
--- a/sc/source/ui/unoobj/textuno.cxx
+++ b/sc/source/ui/unoobj/textuno.cxx
@@ -567,15 +567,14 @@ uno::Reference<text::XTextRange> SAL_CALL ScCellTextCursor::getStart()
 
     //! use other object for range than cursor?
 
-    ScCellTextCursor* pNew = new ScCellTextCursor( *this );
-    uno::Reference<text::XTextRange> xRange( static_cast<SvxUnoTextRangeBase*>(pNew) );
+    rtl::Reference<ScCellTextCursor> pNew = new ScCellTextCursor( *this );
 
     ESelection aNewSel(GetSelection());
     aNewSel.nEndPara = aNewSel.nStartPara;
     aNewSel.nEndPos  = aNewSel.nStartPos;
     pNew->SetSelection( aNewSel );
 
-    return xRange;
+    return static_cast<SvxUnoTextRangeBase*>(pNew.get());
 }
 
 uno::Reference<text::XTextRange> SAL_CALL ScCellTextCursor::getEnd()
@@ -584,15 +583,14 @@ uno::Reference<text::XTextRange> SAL_CALL ScCellTextCursor::getEnd()
 
     //! use other object for range than cursor?
 
-    ScCellTextCursor* pNew = new ScCellTextCursor( *this );
-    uno::Reference<text::XTextRange> xRange( static_cast<SvxUnoTextRangeBase*>(pNew) );
+    rtl::Reference<ScCellTextCursor> pNew = new ScCellTextCursor( *this );
 
     ESelection aNewSel(GetSelection());
     aNewSel.nStartPara = aNewSel.nEndPara;
     aNewSel.nStartPos  = aNewSel.nEndPos;
     pNew->SetSelection( aNewSel );
 
-    return xRange;
+    return static_cast<SvxUnoTextRangeBase*>(pNew.get());
 }
 
 // XUnoTunnel
@@ -620,15 +618,14 @@ uno::Reference<text::XTextRange> SAL_CALL ScHeaderFooterTextCursor::getStart()
 
     //! use other object for range than cursor?
 
-    ScHeaderFooterTextCursor* pNew = new ScHeaderFooterTextCursor( *this );
-    uno::Reference<text::XTextRange> xRange( static_cast<SvxUnoTextRangeBase*>(pNew) );
+    rtl::Reference<ScHeaderFooterTextCursor> pNew = new ScHeaderFooterTextCursor( *this );
 
     ESelection aNewSel(GetSelection());
     aNewSel.nEndPara = aNewSel.nStartPara;
     aNewSel.nEndPos  = aNewSel.nStartPos;
     pNew->SetSelection( aNewSel );
 
-    return xRange;
+    return static_cast<SvxUnoTextRangeBase*>(pNew.get());
 }
 
 uno::Reference<text::XTextRange> SAL_CALL ScHeaderFooterTextCursor::getEnd()
@@ -637,15 +634,14 @@ uno::Reference<text::XTextRange> SAL_CALL ScHeaderFooterTextCursor::getEnd()
 
     //! use other object for range than cursor?
 
-    ScHeaderFooterTextCursor* pNew = new ScHeaderFooterTextCursor( *this );
-    uno::Reference<text::XTextRange> xRange( static_cast<SvxUnoTextRangeBase*>(pNew) );
+    rtl::Reference<ScHeaderFooterTextCursor> pNew = new ScHeaderFooterTextCursor( *this );
 
     ESelection aNewSel(GetSelection());
     aNewSel.nStartPara = aNewSel.nEndPara;
     aNewSel.nStartPos  = aNewSel.nEndPos;
     pNew->SetSelection( aNewSel );
 
-    return xRange;
+    return static_cast<SvxUnoTextRangeBase*>(pNew.get());
 }
 
 // XUnoTunnel
@@ -678,15 +674,14 @@ uno::Reference<text::XTextRange> SAL_CALL ScDrawTextCursor::getStart()
 
     //! use other object for range than cursor?
 
-    ScDrawTextCursor* pNew = new ScDrawTextCursor( *this );
-    uno::Reference<text::XTextRange> xRange( static_cast<SvxUnoTextRangeBase*>(pNew) );
+    rtl::Reference<ScDrawTextCursor> pNew = new ScDrawTextCursor( *this );
 
     ESelection aNewSel(GetSelection());
     aNewSel.nEndPara = aNewSel.nStartPara;
     aNewSel.nEndPos  = aNewSel.nStartPos;
     pNew->SetSelection( aNewSel );
 
-    return xRange;
+    return static_cast<SvxUnoTextRangeBase*>(pNew.get());
 }
 
 uno::Reference<text::XTextRange> SAL_CALL ScDrawTextCursor::getEnd()
@@ -695,15 +690,14 @@ uno::Reference<text::XTextRange> SAL_CALL ScDrawTextCursor::getEnd()
 
     //! use other object for range than cursor?
 
-    ScDrawTextCursor* pNew = new ScDrawTextCursor( *this );
-    uno::Reference<text::XTextRange> xRange( static_cast<SvxUnoTextRangeBase*>(pNew) );
+    rtl::Reference<ScDrawTextCursor> pNew = new ScDrawTextCursor( *this );
 
     ESelection aNewSel(GetSelection());
     aNewSel.nStartPara = aNewSel.nEndPara;
     aNewSel.nStartPos  = aNewSel.nEndPos;
     pNew->SetSelection( aNewSel );
 
-    return xRange;
+    return static_cast<SvxUnoTextRangeBase*>(pNew.get());
 }
 
 // XUnoTunnel
diff --git a/sc/source/ui/unoobj/viewuno.cxx b/sc/source/ui/unoobj/viewuno.cxx
index 8f10ffc1e0e2..5007ae4eda39 100644
--- a/sc/source/ui/unoobj/viewuno.cxx
+++ b/sc/source/ui/unoobj/viewuno.cxx
@@ -851,7 +851,7 @@ uno::Any SAL_CALL ScTabViewObj::getSelection()
 {
     SolarMutexGuard aGuard;
     ScTabViewShell* pViewSh = GetViewShell();
-    ScCellRangesBase* pObj = nullptr;
+    rtl::Reference<ScCellRangesBase> pObj;
     if (pViewSh)
     {
         //  is something selected in drawing layer?
@@ -925,7 +925,7 @@ uno::Any SAL_CALL ScTabViewObj::getSelection()
         }
     }
 
-    return uno::makeAny(uno::Reference<uno::XInterface>(static_cast<cppu::OWeakObject*>(pObj)));
+    return uno::makeAny(uno::Reference<uno::XInterface>(static_cast<cppu::OWeakObject*>(pObj.get())));
 }
 
 // XEnumerationAccess
@@ -1077,7 +1077,7 @@ uno::Reference< uno::XInterface > ScTabViewObj::GetClickedObject(const Point& rP
         rData.GetPosFromPixel( rPoint.X(), rPoint.Y(), eSplitMode, nX, nY);
 
         ScAddress aCellPos (nX, nY, nTab);
-        ScCellObj* pCellObj = new ScCellObj(rData.GetDocShell(), aCellPos);
+        rtl::Reference<ScCellObj> pCellObj = new ScCellObj(rData.GetDocShell(), aCellPos);
 
         xTarget.set(uno::Reference<table::XCell>(pCellObj), uno::UNO_QUERY);
 
@@ -2076,9 +2076,7 @@ css::uno::Reference< css::datatransfer::XTransferable > SAL_CALL ScTabViewObj::g
     if (pDrawShell)
         return pDrawShell->GetDrawView()->CopyToTransferable();
 
-    ScTransferObj* pObj = GetViewShell()->CopyToTransferable();
-    uno::Reference<datatransfer::XTransferable> xTransferable( pObj );
-    return xTransferable;
+    return GetViewShell()->CopyToTransferable();
 }
 
 void SAL_CALL ScTabViewObj::insertTransferable( const css::uno::Reference< css::datatransfer::XTransferable >& xTrans )
diff --git a/sc/source/ui/vba/vbaworkbooks.cxx b/sc/source/ui/vba/vbaworkbooks.cxx
index 7cdc61b65b98..0b8316824033 100644
--- a/sc/source/ui/vba/vbaworkbooks.cxx
+++ b/sc/source/ui/vba/vbaworkbooks.cxx
@@ -31,6 +31,8 @@
 #include <vbahelper/vbahelper.hxx>
 
 #include <osl/file.hxx>
+#include <rtl/ref.hxx>
+
 using namespace ::ooo::vba;
 using namespace ::com::sun::star;
 
@@ -52,7 +54,7 @@ getWorkbook( const uno::Reference< uno::XComponentContext >& xContext,
         return uno::Any( xWb );
     }
 
-    ScVbaWorkbook *pWb = new ScVbaWorkbook( xParent, xContext, xModel );
+    rtl::Reference<ScVbaWorkbook> pWb = new ScVbaWorkbook( xParent, xContext, xModel );
     return uno::Any( uno::Reference< excel::XWorkbook > (pWb) );
 }
 
diff --git a/sc/source/ui/view/drawvie4.cxx b/sc/source/ui/view/drawvie4.cxx
index bce240b10b12..b7d7af5fcc48 100644
--- a/sc/source/ui/view/drawvie4.cxx
+++ b/sc/source/ui/view/drawvie4.cxx
@@ -395,15 +395,14 @@ uno::Reference<datatransfer::XTransferable> ScDrawView::CopyToTransferable()
     aObjDesc.maDisplayName = pDocSh->GetMedium()->GetURLObject().GetURLNoPass();
     // maSize is set in ScDrawTransferObj ctor
 
-    ScDrawTransferObj* pTransferObj = new ScDrawTransferObj( std::move(pModel), pDocSh, aObjDesc );
-    uno::Reference<datatransfer::XTransferable> xTransferable( pTransferObj );
+    rtl::Reference<ScDrawTransferObj> pTransferObj = new ScDrawTransferObj( std::move(pModel), pDocSh, aObjDesc );
 
     if ( ScGlobal::xDrawClipDocShellRef.is() )
     {
         pTransferObj->SetDrawPersist( ScGlobal::xDrawClipDocShellRef.get() );    // keep persist for ole objects alive
     }
 
-    return xTransferable;
+    return pTransferObj;
 }
 
 // Calculate correction for 100%, regardless of current settings
diff --git a/sc/source/ui/view/gridwin5.cxx b/sc/source/ui/view/gridwin5.cxx
index b0f1e92ca679..47e77a788357 100644
--- a/sc/source/ui/view/gridwin5.cxx
+++ b/sc/source/ui/view/gridwin5.cxx
@@ -377,7 +377,7 @@ css::uno::Reference< css::accessibility::XAccessible >
         return xAcc;
     }
 
-    ScAccessibleDocument* pAccessibleDocument =
+    rtl::Reference<ScAccessibleDocument> pAccessibleDocument =
         new ScAccessibleDocument(GetAccessibleParentWindow()->GetAccessible(),
             mrViewData.GetViewShell(), eWhich);
     pAccessibleDocument->PreInit();
diff --git a/sc/source/ui/view/hintwin.cxx b/sc/source/ui/view/hintwin.cxx
index d690ab33d002..f66fe8db67ec 100644
--- a/sc/source/ui/view/hintwin.cxx
+++ b/sc/source/ui/view/hintwin.cxx
@@ -78,21 +78,19 @@ drawinglayer::primitive2d::Primitive2DContainer ScOverlayHint::createOverlaySequ
                                             aFontSize.getX(), aFontSize.getY(),
                                             aTextPos.X(), aTextPos.Y()));
 
-    drawinglayer::primitive2d::TextSimplePortionPrimitive2D* pTitle =
+    rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> pTitle =
         new drawinglayer::primitive2d::TextSimplePortionPrimitive2D(
                         aTextMatrix, m_aTitle, 0, m_aTitle.getLength(),
                         std::vector<double>(), aFontAttr, css::lang::Locale(),
                         rColor.getBColor());
 
-    const drawinglayer::primitive2d::Primitive2DReference aTitle(pTitle);
-
     Point aTextStart(nLeft + aHintMargin.Width() + aIndent.Width(),
                      nTop + aHintMargin.Height() + aFontMetric.GetLineHeight() + aIndent.Height());
 
     drawinglayer::geometry::ViewInformation2D aDummy;
     rRange.expand(pTitle->getB2DRange(aDummy));
 
-    drawinglayer::primitive2d::Primitive2DContainer aSeq { aTitle };
+    drawinglayer::primitive2d::Primitive2DContainer aSeq { pTitle };
 
     aFontMetric = pDefaultDev->GetFontMetric(aTextFont);
     pDefaultDev->SetMapMode(aOld);
@@ -113,7 +111,7 @@ drawinglayer::primitive2d::Primitive2DContainer ScOverlayHint::createOverlaySequ
                                 aLineStart.X(), aLineStart.Y() + nTextOffsetY);
 
         // Create the text primitive for each line of text
-        drawinglayer::primitive2d::TextSimplePortionPrimitive2D* pMessage =
+        rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> pMessage =
                                         new drawinglayer::primitive2d::TextSimplePortionPrimitive2D(
                                                 aTextMatrix, aLine, 0, aLine.getLength(),
                                                 std::vector<double>(), aFontAttr, css::lang::Locale(),
@@ -121,8 +119,7 @@ drawinglayer::primitive2d::Primitive2DContainer ScOverlayHint::createOverlaySequ
 
         rRange.expand(pMessage->getB2DRange(aDummy));
 
-        const drawinglayer::primitive2d::Primitive2DReference aMessage(pMessage);
-        aSeq.push_back(aMessage);
+        aSeq.push_back(pMessage);
 
         aLineStart.AdjustY(nLineHeight );
     }
diff --git a/sc/source/ui/view/preview.cxx b/sc/source/ui/view/preview.cxx
index da60252f99c5..40180e6d5a6b 100644
--- a/sc/source/ui/view/preview.cxx
+++ b/sc/source/ui/view/preview.cxx
@@ -1510,7 +1510,7 @@ css::uno::Reference<css::accessibility::XAccessible> ScPreview::CreateAccessible
         return xAcc;
     }
 
-    ScAccessibleDocumentPagePreview* pAccessible =
+    rtl::Reference<ScAccessibleDocumentPagePreview> pAccessible =
         new ScAccessibleDocumentPagePreview( GetAccessibleParentWindow()->GetAccessible(), pViewShell );
 
     xAcc = pAccessible;
diff --git a/sc/source/ui/view/viewfun3.cxx b/sc/source/ui/view/viewfun3.cxx
index f8c8e5770d57..e4ba7302799e 100644
--- a/sc/source/ui/view/viewfun3.cxx
+++ b/sc/source/ui/view/viewfun3.cxx
@@ -426,7 +426,7 @@ bool ScViewFunc::CopyToClipMultiRange( const ScDocument* pInputClipDoc, const Sc
     return bDone;
 }
 
-ScTransferObj* ScViewFunc::CopyToTransferable()
+rtl::Reference<ScTransferObj> ScViewFunc::CopyToTransferable()
 {
     ScRange aRange;
     if ( GetViewData().GetSimpleArea( aRange ) == SC_MARK_SIMPLE )
@@ -453,8 +453,7 @@ ScTransferObj* ScViewFunc::CopyToTransferable()
             TransferableObjectDescriptor aObjDesc;
             pDocSh->FillTransferableObjectDescriptor( aObjDesc );
             aObjDesc.maDisplayName = pDocSh->GetMedium()->GetURLObject().GetURLNoPass();
-            ScTransferObj* pTransferObj = new ScTransferObj( std::move(pClipDoc), aObjDesc );
-            return pTransferObj;
+            return new ScTransferObj( std::move(pClipDoc), aObjDesc );
         }
     }