i#107771: sw: make SwXTextField a client of its format poolitem

In other words, stop registering at SwDoc's "UnoCallBack"

Change-Id: Ieb2639497fe5e8d71aa1c47952c007da76fcee84

sw/inc/fmtfld.hxx

@@ -36,7 +36,10 @@ class SwView;
 class SwFieldType;
 
 // ATT_FLD
-class SW_DLLPUBLIC SwFmtFld : public SfxPoolItem, public SwClient, public SfxBroadcaster
+class SW_DLLPUBLIC SwFmtFld
+    : public SfxPoolItem
+    , public SwModify
+    , public SfxBroadcaster
 {
     friend void _InitCore();
     SwFmtFld( sal_uInt16 nWhich ); // for default-Attibute
@@ -71,6 +74,8 @@ public:
 
     virtual bool GetInfo( SfxPoolItem& rInfo ) const SAL_OVERRIDE;
 
+    void InvalidateField();
+
     const SwField* GetField() const
     {
         return mpField;

sw/inc/hintids.hxx

@@ -331,7 +331,6 @@ RES_MSG_BEGIN = RES_FMT_END,
     RES_CONTENT_VISIBLE,
     RES_FOOTNOTE_DELETED,
     RES_GRAPHIC_SWAPIN,
-    RES_FIELD_DELETED,
     RES_NAME_CHANGED,
     RES_TITLE_CHANGED,
     RES_DESCRIPTION_CHANGED,

sw/source/core/attr/calbck.cxx

@@ -174,7 +174,6 @@ void SwModify::NotifyClients( const SfxPoolItem* pOldValue, const SfxPoolItem* p
             break;
 
         case RES_FOOTNOTE_DELETED:
-        case RES_FIELD_DELETED:
             bLockClientList = false;
             break;
 

sw/source/core/docnode/nodes.cxx

@@ -290,7 +290,8 @@ void SwNodes::ChgNode( SwNodeIndex& rDelPos, sal_uLong nSz,
                                         else
                                             ((SwDDEFieldType*)pTyp)->IncRefCnt();
                                     }
-                                    nDelMsg = RES_FIELD_DELETED;
+                                    static_cast<SwFmtFld&>(pAttr->GetAttr())
+                                        .InvalidateField();
                                 }
                                 break;
 

sw/source/core/inc/unofield.hxx

@@ -169,7 +169,7 @@ private:
 
     virtual ~SwXTextField();
 
-    SwXTextField(const SwFmtFld& rFmt, SwDoc & rDoc);
+    SwXTextField(SwFmtFld& rFmt, SwDoc & rDoc);
 
     /// descriptor
     SwXTextField(sal_uInt16 nServiceId, SwDoc* pDoc=0);

sw/source/core/txtnode/atrfld.cxx

@@ -38,13 +38,13 @@
 #include <fieldhint.hxx>
 #include <svl/smplhint.hxx>
 
-TYPEINIT3( SwFmtFld, SfxPoolItem, SwClient,SfxBroadcaster)
+TYPEINIT3(SwFmtFld, SfxPoolItem, SwModify, SfxBroadcaster)
 TYPEINIT1(SwFmtFldHint, SfxHint);
 
 // constructor for default item in attribute-pool
 SwFmtFld::SwFmtFld( sal_uInt16 nWhich )
     : SfxPoolItem( nWhich )
-    , SwClient()
+    , SwModify(0)
     , SfxBroadcaster()
     , mpField( NULL )
     , mpTxtFld( NULL )
@@ -53,7 +53,7 @@ SwFmtFld::SwFmtFld( sal_uInt16 nWhich )
 
 SwFmtFld::SwFmtFld( const SwField &rFld )
     : SfxPoolItem( RES_TXTATR_FIELD )
-    , SwClient( rFld.GetTyp() )
+    , SwModify( rFld.GetTyp() )
     , SfxBroadcaster()
     , mpField( rFld.CopyField() )
     , mpTxtFld( NULL )
@@ -77,7 +77,7 @@ SwFmtFld::SwFmtFld( const SwField &rFld )
 // corrected
 SwFmtFld::SwFmtFld( const SwFmtFld& rAttr )
     : SfxPoolItem( RES_TXTATR_FIELD )
-    , SwClient()
+    , SwModify(0)
     , SfxBroadcaster()
     , mpField( NULL )
     , mpTxtFld( NULL )
@@ -183,6 +183,13 @@ SfxPoolItem* SwFmtFld::Clone( SfxItemPool* ) const
     return new SwFmtFld( *this );
 }
 
+void SwFmtFld::InvalidateField()
+{
+    SwPtrMsgPoolItem const item(RES_REMOVE_UNO_OBJECT,
+            &static_cast<SwModify&>(*this)); // cast to base class (void*)
+    NotifyClients(&item, &item);
+}
+
 void SwFmtFld::SwClientNotify( const SwModify&, const SfxHint& rHint )
 {
     if( !mpTxtFld )
@@ -208,6 +215,14 @@ void SwFmtFld::SwClientNotify( const SwModify&, const SfxHint& rHint )
 
 void SwFmtFld::Modify( const SfxPoolItem* pOld, const SfxPoolItem* pNew )
 {
+    if (pOld && (RES_REMOVE_UNO_OBJECT == pOld->Which()))
+    {   // invalidate cached UNO object
+        SetXTextField(css::uno::Reference<css::text::XTextField>(0));
+        // ??? why does this Modify method not already do this?
+        NotifyClients(pOld, pNew);
+        return;
+    }
+
     if( !mpTxtFld )
         return;
 

sw/source/core/txtnode/thints.cxx

@@ -1178,7 +1178,7 @@ void SwTxtNode::DestroyAttr( SwTxtAttr* pAttr )
                     }
                 }
             }
-            nDelMsg = RES_FIELD_DELETED;
+            static_cast<SwFmtFld&>(pAttr->GetAttr()).InvalidateField();
             break;
 
         case RES_TXTATR_TOXMARK:

sw/source/core/unocore/unofield.cxx

@@ -1152,9 +1152,9 @@ public:
     OUString            m_sTypeName;
     boost::scoped_ptr<SwFieldProperties_Impl> m_pProps;
 
-    Impl(SwDoc *const pDoc, SwFmtFld const*const pFmt,
+    Impl(SwDoc *const pDoc, SwFmtFld *const pFmt,
             sal_uInt16 const nServiceId)
-        : SwClient((pFmt) ? pDoc->GetUnoCallBack() : 0)
+        : SwClient(pFmt)
         , m_EventListeners(m_Mutex)
         , m_pFmtFld(pFmt)
         , m_pDoc(pDoc)
@@ -1225,9 +1225,7 @@ SwXTextField::SwXTextField(
     }
 }
 
-SwXTextField::SwXTextField(
-    const SwFmtFld& rFmt,
-    SwDoc & rDoc)
+SwXTextField::SwXTextField(SwFmtFld& rFmt, SwDoc & rDoc)
     : m_pImpl(new Impl(&rDoc, &rFmt, USHRT_MAX))
 {
 }
@@ -1251,7 +1249,7 @@ SwXTextField::CreateXTextField(SwDoc *const pDoc, SwFmtFld const* pFmt,
     if (!xField.is())
     {
         SwXTextField *const pField( (pFmt)
-                ? new SwXTextField(*pFmt, *pDoc)
+                ? new SwXTextField(const_cast<SwFmtFld&>(*pFmt), *pDoc)
                 : new SwXTextField(nServiceId, pDoc));
         xField.set(pField);
         if (pFmt)
@@ -1995,7 +1993,7 @@ throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception)
 
     assert(m_pImpl->m_pFmtFld);
     m_pImpl->m_pDoc = pDoc;
-    m_pImpl->m_pDoc->GetUnoCallBack()->Add(m_pImpl.get());
+    const_cast<SwFmtFld *>(m_pImpl->m_pFmtFld)->Add(m_pImpl.get());
     m_pImpl->m_bIsDescriptor = false;
     if (m_pImpl->m_FieldTypeClient.GetRegisteredIn())
     {
@@ -2649,10 +2647,6 @@ void SwXTextField::Impl::Modify(
             ((SwFmtChg*)pOld)->pChangedFmt->IsFmtInDTOR() )
             Invalidate();
         break;
-    case RES_FIELD_DELETED:
-        if ((void*)m_pFmtFld == ((SwPtrMsgPoolItem *)pOld)->pObject)
-            Invalidate();
-        break;
     }
 }
 

sw/source/uibase/wrtsh/wrtsh2.cxx

@@ -43,6 +43,7 @@
 #include <IDocumentUndoRedo.hxx>
 #include <viewopt.hxx>
 #include <frmfmt.hxx>
+#include <fmtfld.hxx>
 #include <swtable.hxx>
 #include <mdiexp.hxx>
 #include <view.hxx>
@@ -178,10 +179,16 @@ class FieldDeletionModify : public SwModify
 
         void Modify( const SfxPoolItem* pOld, const SfxPoolItem *) SAL_OVERRIDE
         {
-            // Input fields have been deleted: better to close the dialog
-            if (pOld->Which() == RES_FIELD_DELETED)
+            // Input field has been deleted: better to close the dialog
+            if (pOld)
             {
-                mpInputFieldDlg->EndDialog(RET_CANCEL);
+                switch (pOld->Which())
+                {
+                case RES_REMOVE_UNO_OBJECT:
+                case RES_OBJECTDYING:
+                    mpInputFieldDlg->EndDialog(RET_CANCEL);
+                    break;
+                }
             }
         }
     private:
@@ -201,14 +208,21 @@ bool SwWrtShell::StartInputFldDlg( SwField* pFld, bool bNextButton,
     if(pWindowState && !pWindowState->isEmpty())
         pDlg->SetWindowState(*pWindowState);
 
-    // Register for possible input field deletion while dialog is open
     FieldDeletionModify aModify(pDlg.get());
-    GetDoc()->GetUnoCallBack()->Add(&aModify);
+    SwInputField *const pInputField(dynamic_cast<SwInputField*>(pFld));
+    if (pInputField)
+    {
+        // Register for possible input field deletion while dialog is open
+        pInputField->GetFmtFld()->Add(&aModify);
+    }
 
     bool bRet = RET_CANCEL == pDlg->Execute();
 
-    // Dialog closed, remove modification listener
-    GetDoc()->GetUnoCallBack()->Remove(&aModify);
+    if (pInputField)
+    {
+        // Dialog closed, remove modification listener
+        pInputField->GetFmtFld()->Remove(&aModify);
+    }
 
     if(pWindowState)
         *pWindowState = pDlg->GetWindowState();