sw/inc/frmfmt.hxx                |    2 
 sw/source/core/layout/atrfrm.cxx |  158 +++++++++++++++++++--------------------
 2 files changed, 78 insertions(+), 82 deletions(-)

New commits:
commit bb035c2eb488880396b1521ba10f359b05b8e9c9
Author:     Bjoern Michaelsen <bjoern.michael...@libreoffice.org>
AuthorDate: Thu Dec 3 20:22:07 2020 +0100
Commit:     Bjoern Michaelsen <bjoern.michael...@libreoffice.org>
CommitDate: Sat Dec 5 15:37:53 2020 +0100

    SwFrameFormat::Modify refactoring
    
    - also refactor the function:
      * use switch-case instead of if-cascades
      * use typed GetItem and reduce casting
    - not move to SwClientNotify yet, because trivially doing that causes
      regressions
    
    Change-Id: I9cc8adc9a5cdacc8ee9d7e0c410398950bbeba84
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/107180
    Tested-by: Jenkins
    Reviewed-by: Bjoern Michaelsen <bjoern.michael...@libreoffice.org>

diff --git a/sw/inc/frmfmt.hxx b/sw/inc/frmfmt.hxx
index 0fb32c34d190..d1146b8a736b 100644
--- a/sw/inc/frmfmt.hxx
+++ b/sw/inc/frmfmt.hxx
@@ -97,7 +97,7 @@ protected:
         sal_uInt16 nFormatWhich = RES_FRMFMT,
         const sal_uInt16* pWhichRange = nullptr);
 
-    virtual void Modify( const SfxPoolItem* pOld, const SfxPoolItem* pNewValue 
) override;
+    virtual void SwClientNotify(const SwModify&, const SfxHint&) override;
 
     SwFrameFormat* GetOtherTextBoxFormat() const { return 
m_pOtherTextBoxFormat; }
     void SetOtherTextBoxFormat( SwFrameFormat *pFormat );
diff --git a/sw/source/core/layout/atrfrm.cxx b/sw/source/core/layout/atrfrm.cxx
index c73201436f0c..6828c53cfdf4 100644
--- a/sw/source/core/layout/atrfrm.cxx
+++ b/sw/source/core/layout/atrfrm.cxx
@@ -2558,108 +2558,104 @@ bool 
SwFrameFormat::supportsFullDrawingLayerFillAttributeSet() const
     return true;
 }
 
-void SwFrameFormat::Modify( const SfxPoolItem* pOld, const SfxPoolItem* pNew )
+void SwFrameFormat::SwClientNotify(const SwModify&, const SfxHint& rHint)
 {
-    if (pNew)
+    auto pLegacy = dynamic_cast<const sw::LegacyModifyHint*>(&rHint);
+    if(!pLegacy)
+        return;
+    const sal_uInt16 nNewWhich = pLegacy->m_pNew ? pLegacy->m_pNew->Which() : 
0;
+    const SwAttrSetChg* pNewAttrSetChg = nullptr;
+    const SwFormatHeader* pH = nullptr;
+    const SwFormatFooter* pF = nullptr;
+    const SwPosition* pNewAnchorPosition = nullptr;
+    switch(nNewWhich)
     {
-        SwFormatHeader const *pH = nullptr;
-        SwFormatFooter const *pF = nullptr;
-
-        const sal_uInt16 nWhich = pNew->Which();
-
-        if( RES_ATTRSET_CHG == nWhich )
+        case RES_ATTRSET_CHG:
         {
-            static_cast<const SwAttrSetChg*>(pNew)->GetChgSet()->GetItemState(
-                RES_HEADER, false, reinterpret_cast<const SfxPoolItem**>(&pH) 
);
-            static_cast<const SwAttrSetChg*>(pNew)->GetChgSet()->GetItemState(
-                RES_FOOTER, false, reinterpret_cast<const SfxPoolItem**>(&pF) 
);
+            pNewAttrSetChg = static_cast<const SwAttrSetChg*>(pLegacy->m_pNew);
+            pH = pNewAttrSetChg->GetChgSet()->GetItem(RES_HEADER, false);
+            pF = pNewAttrSetChg->GetChgSet()->GetItem(RES_FOOTER, false);
 
             // reset fill information
-            if (maFillAttributes && supportsFullDrawingLayerFillAttributeSet())
+            if(maFillAttributes && supportsFullDrawingLayerFillAttributeSet())
             {
-                SfxItemIter aIter(*static_cast<const 
SwAttrSetChg*>(pNew)->GetChgSet());
-                bool bReset(false);
-
-                for(const SfxPoolItem* pItem = aIter.GetCurItem(); pItem && 
!bReset; pItem = aIter.NextItem())
-                {
-                    bReset = !IsInvalidItem(pItem) && pItem->Which() >= 
XATTR_FILL_FIRST && pItem->Which() <= XATTR_FILL_LAST;
-                }
-
-                if(bReset)
+                SfxItemIter aIter(*pNewAttrSetChg->GetChgSet());
+                for(const SfxPoolItem* pItem = aIter.GetCurItem(); pItem; 
pItem = aIter.NextItem())
                 {
-                    maFillAttributes.reset();
+                    if(!IsInvalidItem(pItem) && pItem->Which() >= 
XATTR_FILL_FIRST && pItem->Which() <= XATTR_FILL_LAST)
+                    {
+                        maFillAttributes.reset();
+                        break;
+                    }
                 }
             }
-        }
-        else if(RES_FMT_CHG == nWhich)
-        {
-            // reset fill information on format change (e.g. style changed)
-            if (maFillAttributes && supportsFullDrawingLayerFillAttributeSet())
+            const SwFormatAnchor* pAnchor = 
pNewAttrSetChg->GetChgSet()->GetItem(RES_ANCHOR, false);
+            if(pAnchor)
             {
-                maFillAttributes.reset();
+                pNewAnchorPosition = pAnchor->GetContentAnchor();
+                assert(pNewAnchorPosition == nullptr || // style's set must 
not contain position!
+                        pNewAttrSetChg->GetTheChgdSet() == &m_aSet);
             }
+            break;
         }
-        else if( RES_HEADER == nWhich )
-            pH = static_cast<const SwFormatHeader*>(pNew);
-        else if( RES_FOOTER == nWhich )
-            pF = static_cast<const SwFormatFooter*>(pNew);
-
-        if( pH && pH->IsActive() && !pH->GetHeaderFormat() )
-        {   //If he doesn't have one, I'll add one
-            SwFrameFormat *pFormat = 
GetDoc()->getIDocumentLayoutAccess().MakeLayoutFormat( RndStdIds::HEADER, 
nullptr );
-            const_cast<SwFormatHeader *>(pH)->RegisterToFormat( *pFormat );
-        }
-
-        if( pF && pF->IsActive() && !pF->GetFooterFormat() )
-        {   //If he doesn't have one, I'll add one
-            SwFrameFormat *pFormat = 
GetDoc()->getIDocumentLayoutAccess().MakeLayoutFormat( RndStdIds::FOOTER, 
nullptr );
-            const_cast<SwFormatFooter *>(pF)->RegisterToFormat( *pFormat );
-        }
-    }
-
-    SwFormat::Modify( pOld, pNew );
-
-    if (pOld && (RES_REMOVE_UNO_OBJECT == pOld->Which()))
-    {   // invalidate cached uno object
-        SetXObject(uno::Reference<uno::XInterface>(nullptr));
-    }
-
-    const SwPosition* oldAnchorPosition = nullptr;
-    const SwPosition* newAnchorPosition = nullptr;
-    if( pNew && pNew->Which() == RES_ATTRSET_CHG )
-    {
-        const SfxPoolItem* tmp = nullptr;
-        static_cast< const SwAttrSetChg* >(pNew)->GetChgSet()->GetItemState( 
RES_ANCHOR, false, &tmp );
-        if( tmp )
+        case RES_FMT_CHG:
         {
-            newAnchorPosition = static_cast< const SwFormatAnchor* >( tmp 
)->GetContentAnchor();
-            assert(newAnchorPosition == nullptr || // style's set must not 
contain position!
-                static_cast<SwAttrSetChg const*>(pNew)->GetTheChgdSet() == 
&m_aSet);
+            // reset fill information on format change (e.g. style changed)
+            if(maFillAttributes && supportsFullDrawingLayerFillAttributeSet())
+                maFillAttributes.reset();
+            break;
         }
+        case RES_HEADER:
+            pH = static_cast<const SwFormatHeader*>(pLegacy->m_pNew);
+            break;
+        case RES_FOOTER:
+            pF = static_cast<const SwFormatFooter*>(pLegacy->m_pNew);
+            break;
+        case RES_ANCHOR:
+            pNewAnchorPosition = static_cast<const 
SwFormatAnchor*>(pLegacy->m_pNew)->GetContentAnchor();
+            break;
     }
-    if( pNew && pNew->Which() == RES_ANCHOR )
-        newAnchorPosition = static_cast< const SwFormatAnchor* >( pNew 
)->GetContentAnchor();
-    if( pOld && pOld->Which() == RES_ATTRSET_CHG )
+    const sal_uInt16 nOldWhich = pLegacy->m_pOld ? pLegacy->m_pOld->Which() : 
0;
+    const SwPosition* pOldAnchorPosition = nullptr;
+    switch(nOldWhich)
     {
-        const SfxPoolItem* tmp = nullptr;
-        static_cast< const SwAttrSetChg* >(pOld)->GetChgSet()->GetItemState( 
RES_ANCHOR, false, &tmp );
-        if( tmp )
+        case RES_ATTRSET_CHG:
         {
-            oldAnchorPosition = static_cast< const SwFormatAnchor* >( tmp 
)->GetContentAnchor();
-            assert(oldAnchorPosition == nullptr || // style's set must not 
contain position!
-                static_cast<SwAttrSetChg const*>(pOld)->GetTheChgdSet() == 
&m_aSet);
+            const SwAttrSetChg* pOldAttrSetChg = nullptr;
+            pOldAttrSetChg = static_cast<const SwAttrSetChg*>(pLegacy->m_pOld);
+            const SwFormatAnchor* pAnchor = 
pOldAttrSetChg->GetChgSet()->GetItem(RES_ANCHOR, false);
+            if(pAnchor)
+            {
+                pOldAnchorPosition = pAnchor->GetContentAnchor();
+                assert(pOldAnchorPosition == nullptr || // style's set must 
not contain position!
+                        pOldAttrSetChg->GetTheChgdSet() == &m_aSet);
+            }
+            break;
         }
+        case RES_ANCHOR:
+            pOldAnchorPosition = static_cast<const 
SwFormatAnchor*>(pLegacy->m_pOld)->GetContentAnchor();
+            break;
+        case RES_REMOVE_UNO_OBJECT:
+            SetXObject(uno::Reference<uno::XInterface>(nullptr));
+            break;
     }
-    if( pOld && pOld->Which() == RES_ANCHOR )
-        oldAnchorPosition = static_cast< const SwFormatAnchor* >( pOld 
)->GetContentAnchor();
-    if( oldAnchorPosition != nullptr && ( newAnchorPosition == nullptr || 
oldAnchorPosition->nNode.GetIndex() != newAnchorPosition->nNode.GetIndex()))
-    {
-        oldAnchorPosition->nNode.GetNode().RemoveAnchoredFly(this);
+
+    assert(nOldWhich == nNewWhich || !nOldWhich || !nNewWhich);
+    if(pH && pH->IsActive() && !pH->GetHeaderFormat())
+    {   //If he doesn't have one, I'll add one
+        SwFrameFormat* pFormat = 
GetDoc()->getIDocumentLayoutAccess().MakeLayoutFormat(RndStdIds::HEADER, 
nullptr);
+        const_cast<SwFormatHeader*>(pH)->RegisterToFormat(*pFormat);
     }
-    if( newAnchorPosition != nullptr && ( oldAnchorPosition == nullptr || 
oldAnchorPosition->nNode.GetIndex() != newAnchorPosition->nNode.GetIndex()))
-    {
-        newAnchorPosition->nNode.GetNode().AddAnchoredFly(this);
+    if(pF && pF->IsActive() && !pF->GetFooterFormat())
+    {   //If he doesn't have one, I'll add one
+        SwFrameFormat* pFormat = 
GetDoc()->getIDocumentLayoutAccess().MakeLayoutFormat(RndStdIds::FOOTER, 
nullptr);
+        const_cast<SwFormatFooter*>(pF)->RegisterToFormat(*pFormat);
     }
+    SwFormat::Modify(pLegacy->m_pOld, pLegacy->m_pNew);
+    if(pOldAnchorPosition != nullptr && (pNewAnchorPosition == nullptr || 
pOldAnchorPosition->nNode.GetIndex() != pNewAnchorPosition->nNode.GetIndex()))
+        pOldAnchorPosition->nNode.GetNode().RemoveAnchoredFly(this);
+    if(pNewAnchorPosition != nullptr && (pOldAnchorPosition == nullptr || 
pOldAnchorPosition->nNode.GetIndex() != pNewAnchorPosition->nNode.GetIndex()))
+        pNewAnchorPosition->nNode.GetNode().AddAnchoredFly(this);
 }
 
 void SwFrameFormat::RegisterToFormat( SwFormat& rFormat )
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