sw: convert SwFrame::mpDrawObjs to unique_ptr

Change-Id: I0713e6fb2b3f2cfc3115daafe37ae5380f3e7938

4 files changed, 36 insertions, 29 deletions

diff --git a/sw/source/core/inc/frame.hxx b/sw/source/core/inc/frame.hxx
index 9d3ca61708de..7ecbefc600a9 100644
--- a/sw/source/core/inc/frame.hxx
+++ b/sw/source/core/inc/frame.hxx
@@ -32,6 +32,8 @@
 #include <com/sun/star/style/TabStop.hpp>
 #include <basegfx/matrix/b2dhommatrix.hxx>
 
+#include <memory>
+
 class SwLayoutFrame;
 class SwRootFrame;
 class SwPageFrame;
@@ -378,7 +380,7 @@ class SW_DLLPUBLIC SwFrame : public SwFrameAreaDefinition, public SwClient, publ
     SwPageFrame* ImplFindPageFrame();
 
 protected:
-    SwSortedObjs* mpDrawObjs;    // draw objects, can be 0
+    std::unique_ptr<SwSortedObjs> m_pDrawObjs; // draw objects, can be null
     SwFrameType mnFrameType;  //Who am I?
 
     bool mbInDtor      : 1;
@@ -524,8 +526,8 @@ public:
     // work with chain of FlyFrames
     void  AppendFly( SwFlyFrame *pNew );
     void  RemoveFly( SwFlyFrame *pToRemove );
-    const SwSortedObjs *GetDrawObjs() const { return mpDrawObjs; }
-          SwSortedObjs *GetDrawObjs()         { return mpDrawObjs; }
+    const SwSortedObjs *GetDrawObjs() const { return m_pDrawObjs.get(); }
+          SwSortedObjs *GetDrawObjs()       { return m_pDrawObjs.get(); }
     // #i28701# - change purpose of method and adjust its name
     void InvalidateObjs( const bool _bNoInvaOfAsCharAnchoredObjs = true );
 
diff --git a/sw/source/core/layout/fly.cxx b/sw/source/core/layout/fly.cxx
index b4d05f138fbf..0daef994f355 100644
--- a/sw/source/core/layout/fly.cxx
+++ b/sw/source/core/layout/fly.cxx
@@ -2007,9 +2007,11 @@ void SwFlyFrame::Cut()
 
 void SwFrame::AppendFly( SwFlyFrame *pNew )
 {
-    if ( !mpDrawObjs )
-        mpDrawObjs = new SwSortedObjs();
-    mpDrawObjs->Insert( *pNew );
+    if (!m_pDrawObjs)
+    {
+        m_pDrawObjs.reset(new SwSortedObjs());
+    }
+    m_pDrawObjs->Insert( *pNew );
     pNew->ChgAnchorFrame( this );
 
     // Register at the page
@@ -2049,9 +2051,11 @@ void SwFrame::RemoveFly( SwFlyFrame *pToRemove )
         }
     }
 
-    mpDrawObjs->Remove( *pToRemove );
-    if ( !mpDrawObjs->size() )
-        DELETEZ( mpDrawObjs );
+    m_pDrawObjs->Remove(*pToRemove);
+    if (!m_pDrawObjs->size())
+    {
+        m_pDrawObjs.reset();
+    }
 
     pToRemove->ChgAnchorFrame( nullptr );
 
@@ -2061,7 +2065,7 @@ void SwFrame::RemoveFly( SwFlyFrame *pToRemove )
 
 void SwFrame::AppendDrawObj( SwAnchoredObject& _rNewObj )
 {
-    assert(!mpDrawObjs || mpDrawObjs->is_sorted());
+    assert(!m_pDrawObjs || m_pDrawObjs->is_sorted());
 
     if ( dynamic_cast<const SwAnchoredDrawObject*>( &_rNewObj) ==  nullptr )
     {
@@ -2072,19 +2076,21 @@ void SwFrame::AppendDrawObj( SwAnchoredObject& _rNewObj )
     if ( dynamic_cast<const SwDrawVirtObj*>(_rNewObj.GetDrawObj()) ==  nullptr &&
          _rNewObj.GetAnchorFrame() && _rNewObj.GetAnchorFrame() != this )
     {
-        assert(!mpDrawObjs || mpDrawObjs->is_sorted());
+        assert(!m_pDrawObjs || m_pDrawObjs->is_sorted());
         // perform disconnect from layout, if 'master' drawing object is appended
         // to a new frame.
         static_cast<SwDrawContact*>(::GetUserCall( _rNewObj.GetDrawObj() ))->
                                                 DisconnectFromLayout( false );
-        assert(!mpDrawObjs || mpDrawObjs->is_sorted());
+        assert(!m_pDrawObjs || m_pDrawObjs->is_sorted());
     }
 
     if ( _rNewObj.GetAnchorFrame() != this )
     {
-        if ( !mpDrawObjs )
-            mpDrawObjs = new SwSortedObjs();
-        mpDrawObjs->Insert( _rNewObj );
+        if (!m_pDrawObjs)
+        {
+            m_pDrawObjs.reset(new SwSortedObjs());
+        }
+        m_pDrawObjs->Insert(_rNewObj);
         _rNewObj.ChgAnchorFrame( this );
     }
 
@@ -2110,7 +2116,7 @@ void SwFrame::AppendDrawObj( SwAnchoredObject& _rNewObj )
             }
             //The layer is part of the key used to sort the obj, so update
             //its position if the layer changed.
-            mpDrawObjs->Update(_rNewObj);
+            m_pDrawObjs->Update(_rNewObj);
         }
     }
 
@@ -2135,7 +2141,7 @@ void SwFrame::AppendDrawObj( SwAnchoredObject& _rNewObj )
         }
     }
 
-    assert(!mpDrawObjs || mpDrawObjs->is_sorted());
+    assert(!m_pDrawObjs || m_pDrawObjs->is_sorted());
 }
 
 void SwFrame::RemoveDrawObj( SwAnchoredObject& _rToRemoveObj )
@@ -2154,13 +2160,14 @@ void SwFrame::RemoveDrawObj( SwAnchoredObject& _rToRemoveObj )
     if ( pPage && pPage->GetSortedObjs() )
         pPage->RemoveDrawObjFromPage( _rToRemoveObj );
 
-    mpDrawObjs->Remove( _rToRemoveObj );
-    if ( !mpDrawObjs->size() )
-        DELETEZ( mpDrawObjs );
-
+    m_pDrawObjs->Remove(_rToRemoveObj);
+    if (!m_pDrawObjs->size())
+    {
+        m_pDrawObjs.reset();
+    }
     _rToRemoveObj.ChgAnchorFrame( nullptr );
 
-    assert(!mpDrawObjs || mpDrawObjs->is_sorted());
+    assert(!m_pDrawObjs || m_pDrawObjs->is_sorted());
 }
 
 void SwFrame::InvalidateObjs( const bool _bNoInvaOfAsCharAnchoredObjs )
diff --git a/sw/source/core/layout/ssfrm.cxx b/sw/source/core/layout/ssfrm.cxx
index 9934d1c4b4dd..180ceba1ff9c 100644
--- a/sw/source/core/layout/ssfrm.cxx
+++ b/sw/source/core/layout/ssfrm.cxx
@@ -338,11 +338,11 @@ void SwFrame::DestroyImpl()
         }
     }
 
-    if( mpDrawObjs )
+    if (m_pDrawObjs)
     {
-        for ( size_t i = mpDrawObjs->size(); i; )
+        for (size_t i = m_pDrawObjs->size(); i; )
         {
-            SwAnchoredObject* pAnchoredObj = (*mpDrawObjs)[--i];
+            SwAnchoredObject* pAnchoredObj = (*m_pDrawObjs)[--i];
             if ( dynamic_cast< const SwFlyFrame *>( pAnchoredObj ) !=  nullptr )
             {
                 SwFrame::DestroyFrame(static_cast<SwFlyFrame*>(pAnchoredObj));
@@ -360,8 +360,7 @@ void SwFrame::DestroyImpl()
                 }
             }
         }
-        delete mpDrawObjs;
-        mpDrawObjs = nullptr;
+        m_pDrawObjs.reset();
     }
 }
 
@@ -371,7 +370,7 @@ SwFrame::~SwFrame()
     assert(!IsDeleteForbidden()); // check that it's not deleted while deletes are forbidden
 #if OSL_DEBUG_LEVEL > 0
     // JP 15.10.2001: for detection of access to deleted frames
-    mpDrawObjs = reinterpret_cast<SwSortedObjs*>(0x33333333);
+    mpRoot = reinterpret_cast<SwRootFrame*>(0x33333333);
 #endif
 }
 
diff --git a/sw/source/core/layout/wsfrm.cxx b/sw/source/core/layout/wsfrm.cxx
index be7264c424e0..5b85b69a4b27 100644
--- a/sw/source/core/layout/wsfrm.cxx
+++ b/sw/source/core/layout/wsfrm.cxx
@@ -297,7 +297,6 @@ SwFrame::SwFrame( SwModify *pMod, SwFrame* pSib )
     mpUpper(nullptr),
     mpNext(nullptr),
     mpPrev(nullptr),
-    mpDrawObjs(nullptr),
     mnFrameType(SwFrameType::None),
     mbInDtor(false),
     mbInvalidR2L(true),