Split xfa_layout_appadapter

xfa/fxfa/parser/xfa_layout_appadapter.cpp

-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fxfa/parser/xfa_layout_appadapter.h"
-
-#include "xfa/fxfa/app/xfa_ffnotify.h"
-#include "xfa/fxfa/parser/cxfa_document.h"
-#include "xfa/fxfa/parser/xfa_layout_itemlayout.h"
-#include "xfa/fxfa/parser/xfa_layout_pagemgr_new.h"
-#include "xfa/fxfa/parser/xfa_localemgr.h"
-#include "xfa/fxfa/parser/xfa_object.h"
-#include "xfa/fxfa/parser/xfa_utils.h"
-
-void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem) {
-  CXFA_LayoutItem* pNode = pLayoutItem->m_pFirstChild;
-  CXFA_FFNotify* pNotify = pLayoutItem->m_pFormNode->GetDocument()->GetNotify();
-  CXFA_LayoutProcessor* pDocLayout =
-      pLayoutItem->m_pFormNode->GetDocument()->GetDocLayout();
-  while (pNode) {
-    CXFA_LayoutItem* pNext = pNode->m_pNextSibling;
-    pNode->m_pParent = nullptr;
-    pNotify->OnLayoutItemRemoving(pDocLayout,
-                                  static_cast<CXFA_LayoutItem*>(pNode));
-    XFA_ReleaseLayoutItem(pNode);
-    pNode = pNext;
-  }
-  pNotify->OnLayoutItemRemoving(pDocLayout, pLayoutItem);
-  if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageArea) {
-    pNotify->OnPageEvent(static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem),
-                         XFA_PAGEVIEWEVENT_PostRemoved);
-  }
-  delete pLayoutItem;
-}