Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

1 files changed, 2968 insertions, 0 deletions

diff --git a/xfa/fxfa/parser/xfa_layout_itemlayout.cpp b/xfa/fxfa/parser/xfa_layout_itemlayout.cpp
new file mode 100644
index 0000000000..2924fad922
--- /dev/null
+++ b/xfa/fxfa/parser/xfa_layout_itemlayout.cpp
@@ -0,0 +1,2968 @@
+// 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_itemlayout.h"
+
+#include <algorithm>
+#include <memory>
+
+#include "xfa/fgas/crt/fgas_algorithm.h"
+#include "xfa/fxfa/fm2js/xfa_fm2jsapi.h"
+#include "xfa/fxfa/parser/xfa_docdata.h"
+#include "xfa/fxfa/parser/xfa_doclayout.h"
+#include "xfa/fxfa/parser/xfa_document.h"
+#include "xfa/fxfa/parser/xfa_document_layout_imp.h"
+#include "xfa/fxfa/parser/xfa_layout_appadapter.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_parser.h"
+#include "xfa/fxfa/parser/xfa_script.h"
+#include "xfa/fxfa/parser/xfa_utils.h"
+
+CXFA_ItemLayoutProcessor::CXFA_ItemLayoutProcessor(CXFA_Node* pNode,
+                                                   CXFA_LayoutPageMgr* pPageMgr)
+    : m_bKeepBreakFinish(FALSE),
+      m_bIsProcessKeep(FALSE),
+      m_pKeepHeadNode(nullptr),
+      m_pKeepTailNode(nullptr),
+      m_pFormNode(pNode),
+      m_pLayoutItem(nullptr),
+      m_pOldLayoutItem(nullptr),
+      m_pCurChildNode(XFA_LAYOUT_INVALIDNODE),
+      m_pCurChildPreprocessor(nullptr),
+      m_nCurChildNodeStage(XFA_ItemLayoutProcessorStages_None),
+      m_fUsedSize(0),
+      m_pPageMgr(pPageMgr),
+      m_bBreakPending(TRUE),
+      m_fLastRowWidth(0),
+      m_fLastRowY(0),
+      m_fWidthLimite(0),
+      m_bUseInheriated(FALSE),
+      m_ePreProcessRs(XFA_ItemLayoutProcessorResult_Done),
+      m_bHasAvailHeight(TRUE) {
+  FXSYS_assert(m_pFormNode && (m_pFormNode->IsContainerNode() ||
+                               m_pFormNode->GetClassID() == XFA_ELEMENT_Form));
+  m_pOldLayoutItem =
+      (CXFA_ContentLayoutItem*)m_pFormNode->GetUserData(XFA_LAYOUTITEMKEY);
+}
+CXFA_ContentLayoutItem* CXFA_ItemLayoutProcessor::CreateContentLayoutItem(
+    CXFA_Node* pFormNode) {
+  if (!pFormNode) {
+    return NULL;
+  }
+  CXFA_ContentLayoutItem* pLayoutItem = NULL;
+  if (m_pOldLayoutItem) {
+    pLayoutItem = m_pOldLayoutItem;
+    m_pOldLayoutItem = m_pOldLayoutItem->m_pNext;
+    return pLayoutItem;
+  }
+  pLayoutItem = (CXFA_ContentLayoutItem*)pFormNode->GetDocument()
+                    ->GetParser()
+                    ->GetNotify()
+                    ->OnCreateLayoutItem(pFormNode);
+  CXFA_ContentLayoutItem* pPrevLayoutItem =
+      (CXFA_ContentLayoutItem*)pFormNode->GetUserData(XFA_LAYOUTITEMKEY);
+  if (pPrevLayoutItem) {
+    while (pPrevLayoutItem->m_pNext) {
+      pPrevLayoutItem = pPrevLayoutItem->m_pNext;
+    }
+    pPrevLayoutItem->m_pNext = pLayoutItem;
+    pLayoutItem->m_pPrev = pPrevLayoutItem;
+  } else {
+    pFormNode->SetUserData(XFA_LAYOUTITEMKEY, pLayoutItem);
+  }
+  return pLayoutItem;
+}
+FX_BOOL CXFA_ItemLayoutProcessor::FindLayoutItemSplitPos(
+    CXFA_ContentLayoutItem* pLayoutItem,
+    FX_FLOAT fCurVerticalOffset,
+    FX_FLOAT& fProposedSplitPos,
+    FX_BOOL& bAppChange,
+    FX_BOOL bCalculateMargin) {
+  CXFA_Node* pFormNode = pLayoutItem->m_pFormNode;
+  if (fProposedSplitPos > fCurVerticalOffset + XFA_LAYOUT_FLOAT_PERCISION &&
+      fProposedSplitPos <= fCurVerticalOffset + pLayoutItem->m_sSize.y -
+                               XFA_LAYOUT_FLOAT_PERCISION) {
+    switch (pFormNode->GetIntact()) {
+      case XFA_ATTRIBUTEENUM_None: {
+        FX_BOOL bAnyChanged = FALSE;
+        CXFA_Document* pDocument = pFormNode->GetDocument();
+        IXFA_Notify* pNotify = pDocument->GetParser()->GetNotify();
+        FX_FLOAT fCurTopMargin = 0, fCurBottomMargin = 0;
+        CXFA_Node* pMarginNode =
+            pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+        if (pMarginNode && bCalculateMargin) {
+          fCurTopMargin = pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset)
+                              .ToUnit(XFA_UNIT_Pt);
+          fCurBottomMargin = pMarginNode->GetMeasure(XFA_ATTRIBUTE_BottomInset)
+                                 .ToUnit(XFA_UNIT_Pt);
+        }
+        FX_BOOL bChanged = TRUE;
+        while (bChanged) {
+          bChanged = FALSE;
+          {
+            FX_FLOAT fRelSplitPos = fProposedSplitPos - fCurVerticalOffset;
+            if (pNotify->FindSplitPos(pFormNode, pLayoutItem->GetIndex(),
+                                      fRelSplitPos)) {
+              bAnyChanged = TRUE;
+              bChanged = TRUE;
+              fProposedSplitPos = fCurVerticalOffset + fRelSplitPos;
+              bAppChange = TRUE;
+              if (fProposedSplitPos <=
+                  fCurVerticalOffset + XFA_LAYOUT_FLOAT_PERCISION) {
+                return TRUE;
+              }
+            }
+          }
+          FX_FLOAT fRelSplitPos = fProposedSplitPos - fCurBottomMargin;
+          for (CXFA_ContentLayoutItem* pChildItem =
+                   (CXFA_ContentLayoutItem*)pLayoutItem->m_pFirstChild;
+               pChildItem;
+               pChildItem =
+                   (CXFA_ContentLayoutItem*)pChildItem->m_pNextSibling) {
+            FX_FLOAT fChildOffset =
+                fCurVerticalOffset + fCurTopMargin + pChildItem->m_sPos.y;
+            FX_BOOL bAppChange = FALSE;
+            if (FindLayoutItemSplitPos(pChildItem, fChildOffset, fRelSplitPos,
+                                       bAppChange, bCalculateMargin)) {
+              if (fRelSplitPos - fChildOffset < XFA_LAYOUT_FLOAT_PERCISION &&
+                  bAppChange) {
+                fProposedSplitPos = fRelSplitPos - fCurTopMargin;
+              } else {
+                fProposedSplitPos = fRelSplitPos + fCurBottomMargin;
+              }
+              bAnyChanged = TRUE;
+              bChanged = TRUE;
+              if (fProposedSplitPos <=
+                  fCurVerticalOffset + XFA_LAYOUT_FLOAT_PERCISION) {
+                return TRUE;
+              }
+              if (bAnyChanged) {
+                break;
+              }
+            }
+          }
+        }
+        return bAnyChanged;
+      } break;
+      case XFA_ATTRIBUTEENUM_ContentArea:
+      case XFA_ATTRIBUTEENUM_PageArea: {
+        fProposedSplitPos = fCurVerticalOffset;
+        return TRUE;
+      }
+      default:
+        return FALSE;
+    }
+  }
+  return FALSE;
+}
+static XFA_ATTRIBUTEENUM XFA_ItemLayoutProcessor_GetLayout(
+    CXFA_Node* pFormNode,
+    FX_BOOL& bRootForceTb) {
+  bRootForceTb = FALSE;
+  XFA_ATTRIBUTEENUM eLayoutMode;
+  if (pFormNode->TryEnum(XFA_ATTRIBUTE_Layout, eLayoutMode, FALSE)) {
+    return eLayoutMode;
+  }
+  CXFA_Node* pParentNode = pFormNode->GetNodeItem(XFA_NODEITEM_Parent);
+  if (pParentNode && pParentNode->GetClassID() == XFA_ELEMENT_Form) {
+    bRootForceTb = TRUE;
+    return XFA_ATTRIBUTEENUM_Tb;
+  }
+  return XFA_ATTRIBUTEENUM_Position;
+}
+static FX_BOOL XFA_ExistContainerKeep(CXFA_Node* pCurNode, FX_BOOL bPreFind) {
+  if (pCurNode == NULL || !XFA_ItemLayoutProcessor_IsTakingSpace(pCurNode)) {
+    return FALSE;
+  }
+  XFA_NODEITEM eItemType = XFA_NODEITEM_PrevSibling;
+  if (!bPreFind) {
+    eItemType = XFA_NODEITEM_NextSibling;
+  }
+  CXFA_Node* pPreContainer =
+      pCurNode->GetNodeItem(eItemType, XFA_OBJECTTYPE_ContainerNode);
+  if (pPreContainer == NULL) {
+    return FALSE;
+  }
+  CXFA_Node* pKeep = pCurNode->GetFirstChildByClass(XFA_ELEMENT_Keep);
+  if (pKeep) {
+    XFA_ATTRIBUTEENUM ePrevious;
+    XFA_ATTRIBUTE eKeepType = XFA_ATTRIBUTE_Previous;
+    if (!bPreFind) {
+      eKeepType = XFA_ATTRIBUTE_Next;
+    }
+    if (pKeep->TryEnum(eKeepType, ePrevious, FALSE)) {
+      if (ePrevious == XFA_ATTRIBUTEENUM_ContentArea ||
+          ePrevious == XFA_ATTRIBUTEENUM_PageArea) {
+        return TRUE;
+      }
+    }
+  }
+  pKeep = pPreContainer->GetFirstChildByClass(XFA_ELEMENT_Keep);
+  if (!pKeep) {
+    return FALSE;
+  }
+  XFA_ATTRIBUTEENUM eNext;
+  XFA_ATTRIBUTE eKeepType = XFA_ATTRIBUTE_Next;
+  if (!bPreFind) {
+    eKeepType = XFA_ATTRIBUTE_Previous;
+  }
+  if (!pKeep->TryEnum(eKeepType, eNext, FALSE)) {
+    return FALSE;
+  }
+  if (eNext == XFA_ATTRIBUTEENUM_ContentArea ||
+      eNext == XFA_ATTRIBUTEENUM_PageArea) {
+    return TRUE;
+  }
+  return FALSE;
+}
+FX_FLOAT CXFA_ItemLayoutProcessor::FindSplitPos(FX_FLOAT fProposedSplitPos) {
+  ASSERT(m_pLayoutItem);
+  XFA_ATTRIBUTEENUM eLayout = m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+  FX_BOOL bCalculateMargin = TRUE;
+  if (eLayout == XFA_ATTRIBUTEENUM_Position) {
+    bCalculateMargin = FALSE;
+  }
+  while (fProposedSplitPos > XFA_LAYOUT_FLOAT_PERCISION) {
+    FX_BOOL bAppChange = FALSE;
+    if (!FindLayoutItemSplitPos(m_pLayoutItem, 0, fProposedSplitPos, bAppChange,
+                                bCalculateMargin)) {
+      break;
+    }
+  }
+  return fProposedSplitPos;
+}
+void CXFA_ItemLayoutProcessor::SplitLayoutItem(
+    CXFA_ContentLayoutItem* pLayoutItem,
+    CXFA_ContentLayoutItem* pSecondParent,
+    FX_FLOAT fSplitPos) {
+  FX_FLOAT fCurTopMargin = 0, fCurBottomMargin = 0;
+  XFA_ATTRIBUTEENUM eLayout = m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+  FX_BOOL bCalculateMargin = TRUE;
+  if (eLayout == XFA_ATTRIBUTEENUM_Position) {
+    bCalculateMargin = FALSE;
+  }
+  CXFA_Node* pMarginNode =
+      pLayoutItem->m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+  if (pMarginNode && bCalculateMargin) {
+    fCurTopMargin =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset).ToUnit(XFA_UNIT_Pt);
+    fCurBottomMargin =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_BottomInset).ToUnit(XFA_UNIT_Pt);
+  }
+  CXFA_ContentLayoutItem* pSecondLayoutItem = NULL;
+  if (m_pCurChildPreprocessor &&
+      m_pCurChildPreprocessor->m_pFormNode == pLayoutItem->m_pFormNode) {
+    pSecondLayoutItem = m_pCurChildPreprocessor->CreateContentLayoutItem(
+        pLayoutItem->m_pFormNode);
+  } else {
+    pSecondLayoutItem = CreateContentLayoutItem(pLayoutItem->m_pFormNode);
+  }
+  pSecondLayoutItem->m_sPos.x = pLayoutItem->m_sPos.x;
+  pSecondLayoutItem->m_sSize.x = pLayoutItem->m_sSize.x;
+  pSecondLayoutItem->m_sPos.y = 0;
+  pSecondLayoutItem->m_sSize.y = pLayoutItem->m_sSize.y - fSplitPos;
+  pLayoutItem->m_sSize.y -= pSecondLayoutItem->m_sSize.y;
+  if (pLayoutItem->m_pFirstChild) {
+    pSecondLayoutItem->m_sSize.y += fCurTopMargin;
+  }
+  if (pSecondParent) {
+    pSecondParent->AddChild(pSecondLayoutItem);
+    if (fCurTopMargin > 0 && pLayoutItem->m_pFirstChild) {
+      pSecondParent->m_sSize.y += fCurTopMargin;
+      CXFA_ContentLayoutItem* pParentItem =
+          (CXFA_ContentLayoutItem*)pSecondParent->m_pParent;
+      while (pParentItem) {
+        pParentItem->m_sSize.y += fCurTopMargin;
+        pParentItem = (CXFA_ContentLayoutItem*)pParentItem->m_pParent;
+      }
+    }
+  } else {
+    pSecondLayoutItem->m_pParent = pLayoutItem->m_pParent;
+    pSecondLayoutItem->m_pNextSibling = pLayoutItem->m_pNextSibling;
+    pLayoutItem->m_pNextSibling = pSecondLayoutItem;
+  }
+  CXFA_ContentLayoutItem* pChildren =
+      (CXFA_ContentLayoutItem*)pLayoutItem->m_pFirstChild;
+  pLayoutItem->m_pFirstChild = NULL;
+  FX_FLOAT lHeightForKeep = 0;
+  CFX_ArrayTemplate<CXFA_ContentLayoutItem*> keepLayoutItems;
+  FX_FLOAT fAddMarginHeight = 0;
+  for (CXFA_ContentLayoutItem *pChildItem = pChildren, *pChildNext = NULL;
+       pChildItem; pChildItem = pChildNext) {
+    pChildNext = (CXFA_ContentLayoutItem*)pChildItem->m_pNextSibling;
+    pChildItem->m_pNextSibling = NULL;
+    if (fSplitPos <= fCurTopMargin + pChildItem->m_sPos.y + fCurBottomMargin +
+                         XFA_LAYOUT_FLOAT_PERCISION) {
+      if (!XFA_ExistContainerKeep(pChildItem->m_pFormNode, TRUE)) {
+        pChildItem->m_sPos.y -= fSplitPos - fCurBottomMargin;
+        pChildItem->m_sPos.y += lHeightForKeep;
+        pChildItem->m_sPos.y += fAddMarginHeight;
+        pSecondLayoutItem->AddChild(pChildItem);
+      } else {
+        if (lHeightForKeep < XFA_LAYOUT_FLOAT_PERCISION) {
+          for (int32_t iIndex = 0; iIndex < keepLayoutItems.GetSize();
+               iIndex++) {
+            CXFA_ContentLayoutItem* pPreItem = keepLayoutItems[iIndex];
+            pLayoutItem->RemoveChild(pPreItem);
+            pPreItem->m_sPos.y -= fSplitPos;
+            if (pPreItem->m_sPos.y < 0) {
+              pPreItem->m_sPos.y = 0;
+            }
+            if (pPreItem->m_sPos.y + pPreItem->m_sSize.y > lHeightForKeep) {
+              pPreItem->m_sPos.y = lHeightForKeep;
+              lHeightForKeep += pPreItem->m_sSize.y;
+              pSecondLayoutItem->m_sSize.y += pPreItem->m_sSize.y;
+              if (pSecondParent) {
+                pSecondParent->m_sSize.y += pPreItem->m_sSize.y;
+              }
+            }
+            pSecondLayoutItem->AddChild(pPreItem);
+          }
+        }
+        pChildItem->m_sPos.y -= fSplitPos;
+        pChildItem->m_sPos.y += lHeightForKeep;
+        pChildItem->m_sPos.y += fAddMarginHeight;
+        pSecondLayoutItem->AddChild(pChildItem);
+      }
+    } else if (fSplitPos + XFA_LAYOUT_FLOAT_PERCISION >=
+               fCurTopMargin + fCurBottomMargin + pChildItem->m_sPos.y +
+                   pChildItem->m_sSize.y) {
+      pLayoutItem->AddChild(pChildItem);
+      if (XFA_ExistContainerKeep(pChildItem->m_pFormNode, FALSE)) {
+        keepLayoutItems.Add(pChildItem);
+      } else {
+        keepLayoutItems.RemoveAll();
+      }
+    } else {
+      FX_FLOAT fOldHeight = pSecondLayoutItem->m_sSize.y;
+      SplitLayoutItem(
+          pChildItem, pSecondLayoutItem,
+          fSplitPos - fCurTopMargin - fCurBottomMargin - pChildItem->m_sPos.y);
+      fAddMarginHeight = pSecondLayoutItem->m_sSize.y - fOldHeight;
+      pLayoutItem->AddChild(pChildItem);
+    }
+  }
+}
+void CXFA_ItemLayoutProcessor::SplitLayoutItem(FX_FLOAT fSplitPos) {
+  ASSERT(m_pLayoutItem);
+  SplitLayoutItem(m_pLayoutItem, NULL, fSplitPos);
+}
+
+IXFA_LayoutPage* CXFA_LayoutItem::GetPage() const {
+  for (CXFA_LayoutItem* pCurNode = const_cast<CXFA_LayoutItem*>(this); pCurNode;
+       pCurNode = pCurNode->m_pParent) {
+    if (pCurNode->m_pFormNode->GetClassID() == XFA_ELEMENT_PageArea)
+      return static_cast<CXFA_ContainerLayoutItem*>(pCurNode);
+  }
+  return nullptr;
+}
+
+CXFA_Node* CXFA_LayoutItem::GetFormNode() const {
+  return m_pFormNode;
+}
+
+void CXFA_LayoutItem::GetRect(CFX_RectF& rtLayout, FX_BOOL bRelative) const {
+  ASSERT(m_bIsContentLayoutItem);
+  const CXFA_ContentLayoutItem* pThis =
+      static_cast<const CXFA_ContentLayoutItem*>(this);
+  CFX_PointF sPos = pThis->m_sPos;
+  CFX_SizeF sSize = pThis->m_sSize;
+  if (!bRelative) {
+    for (CXFA_LayoutItem* pLayoutItem = pThis->m_pParent; pLayoutItem;
+         pLayoutItem = pLayoutItem->m_pParent) {
+      if (CXFA_ContentLayoutItem* pContent =
+              pLayoutItem->AsContentLayoutItem()) {
+        sPos += pContent->m_sPos;
+        if (CXFA_Node* pMarginNode =
+                pLayoutItem->m_pFormNode->GetFirstChildByClass(
+                    XFA_ELEMENT_Margin)) {
+          sPos += CFX_PointF(pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset)
+                                 .ToUnit(XFA_UNIT_Pt),
+                             pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset)
+                                 .ToUnit(XFA_UNIT_Pt));
+        }
+      } else {
+        if (pLayoutItem->m_pFormNode->GetClassID() == XFA_ELEMENT_ContentArea) {
+          sPos +=
+              CFX_PointF(pLayoutItem->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_X)
+                             .ToUnit(XFA_UNIT_Pt),
+                         pLayoutItem->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_Y)
+                             .ToUnit(XFA_UNIT_Pt));
+          break;
+        } else if (pLayoutItem->m_pFormNode->GetClassID() ==
+                   XFA_ELEMENT_PageArea) {
+          break;
+        }
+      }
+    }
+  }
+  rtLayout.Set(sPos.x, sPos.y, sSize.x, sSize.y);
+}
+
+CXFA_LayoutItem* CXFA_LayoutItem::GetParent() const {
+  return m_pParent;
+}
+
+const CXFA_LayoutItem* CXFA_LayoutItem::GetFirst() const {
+  ASSERT(m_bIsContentLayoutItem);
+  const CXFA_ContentLayoutItem* pCurNode =
+      static_cast<const CXFA_ContentLayoutItem*>(this);
+  while (pCurNode->m_pPrev) {
+    pCurNode = pCurNode->m_pPrev;
+  }
+  return pCurNode;
+}
+
+CXFA_LayoutItem* CXFA_LayoutItem::GetFirst() {
+  ASSERT(m_bIsContentLayoutItem);
+  CXFA_ContentLayoutItem* pCurNode = static_cast<CXFA_ContentLayoutItem*>(this);
+  while (pCurNode->m_pPrev) {
+    pCurNode = pCurNode->m_pPrev;
+  }
+  return pCurNode;
+}
+
+CXFA_LayoutItem* CXFA_LayoutItem::GetLast() {
+  ASSERT(m_bIsContentLayoutItem);
+  CXFA_ContentLayoutItem* pCurNode = static_cast<CXFA_ContentLayoutItem*>(this);
+  while (pCurNode->m_pNext) {
+    pCurNode = pCurNode->m_pNext;
+  }
+  return pCurNode;
+}
+
+const CXFA_LayoutItem* CXFA_LayoutItem::GetLast() const {
+  ASSERT(m_bIsContentLayoutItem);
+  const CXFA_ContentLayoutItem* pCurNode =
+      static_cast<const CXFA_ContentLayoutItem*>(this);
+  while (pCurNode->m_pNext) {
+    pCurNode = pCurNode->m_pNext;
+  }
+  return pCurNode;
+}
+
+CXFA_LayoutItem* CXFA_LayoutItem::GetPrev() const {
+  ASSERT(m_bIsContentLayoutItem);
+  return static_cast<const CXFA_ContentLayoutItem*>(this)->m_pPrev;
+}
+
+CXFA_LayoutItem* CXFA_LayoutItem::GetNext() const {
+  ASSERT(m_bIsContentLayoutItem);
+  return static_cast<const CXFA_ContentLayoutItem*>(this)->m_pNext;
+}
+
+int32_t CXFA_LayoutItem::GetIndex() const {
+  ASSERT(m_bIsContentLayoutItem);
+  int32_t iIndex = 0;
+  const CXFA_ContentLayoutItem* pCurNode =
+      static_cast<const CXFA_ContentLayoutItem*>(this);
+  while (pCurNode->m_pPrev) {
+    pCurNode = pCurNode->m_pPrev;
+    ++iIndex;
+  }
+  return iIndex;
+}
+
+int32_t CXFA_LayoutItem::GetCount() const {
+  ASSERT(m_bIsContentLayoutItem);
+  int32_t iCount = GetIndex() + 1;
+  const CXFA_ContentLayoutItem* pCurNode =
+      static_cast<const CXFA_ContentLayoutItem*>(this);
+  while (pCurNode->m_pNext) {
+    pCurNode = pCurNode->m_pNext;
+    iCount++;
+  }
+  return iCount;
+}
+
+void CXFA_LayoutItem::AddChild(CXFA_LayoutItem* pChildItem) {
+  if (pChildItem->m_pParent) {
+    pChildItem->m_pParent->RemoveChild(pChildItem);
+  }
+  pChildItem->m_pParent = this;
+  if (m_pFirstChild == NULL) {
+    m_pFirstChild = pChildItem;
+  } else {
+    CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;
+    while (pExistingChildItem->m_pNextSibling) {
+      pExistingChildItem = pExistingChildItem->m_pNextSibling;
+    }
+    pExistingChildItem->m_pNextSibling = pChildItem;
+  }
+}
+void CXFA_LayoutItem::AddHeadChild(CXFA_LayoutItem* pChildItem) {
+  if (pChildItem->m_pParent) {
+    pChildItem->m_pParent->RemoveChild(pChildItem);
+  }
+  pChildItem->m_pParent = this;
+  if (m_pFirstChild == NULL) {
+    m_pFirstChild = pChildItem;
+  } else {
+    CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;
+    m_pFirstChild = pChildItem;
+    m_pFirstChild->m_pNextSibling = pExistingChildItem;
+  }
+}
+void CXFA_LayoutItem::InsertChild(CXFA_LayoutItem* pBeforeItem,
+                                  CXFA_LayoutItem* pChildItem) {
+  if (pBeforeItem->m_pParent != this) {
+    return;
+  }
+  if (pChildItem->m_pParent) {
+    pChildItem->m_pParent = NULL;
+  }
+  pChildItem->m_pParent = this;
+  CXFA_LayoutItem* pExistingChildItem = pBeforeItem->m_pNextSibling;
+  pBeforeItem->m_pNextSibling = pChildItem;
+  pChildItem->m_pNextSibling = pExistingChildItem;
+}
+void CXFA_LayoutItem::RemoveChild(CXFA_LayoutItem* pChildItem) {
+  if (pChildItem->m_pParent != this) {
+    return;
+  }
+  if (m_pFirstChild == pChildItem) {
+    m_pFirstChild = pChildItem->m_pNextSibling;
+  } else {
+    CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;
+    while (pExistingChildItem &&
+           pExistingChildItem->m_pNextSibling != pChildItem) {
+      pExistingChildItem = pExistingChildItem->m_pNextSibling;
+    }
+    if (pExistingChildItem) {
+      pExistingChildItem->m_pNextSibling = pChildItem->m_pNextSibling;
+    }
+  }
+  pChildItem->m_pNextSibling = NULL;
+  pChildItem->m_pParent = NULL;
+}
+CXFA_ContentLayoutItem* CXFA_ItemLayoutProcessor::ExtractLayoutItem() {
+  CXFA_ContentLayoutItem* pLayoutItem = m_pLayoutItem;
+  if (pLayoutItem) {
+    m_pLayoutItem = (CXFA_ContentLayoutItem*)pLayoutItem->m_pNextSibling;
+    pLayoutItem->m_pNextSibling = NULL;
+  }
+  if (m_nCurChildNodeStage == XFA_ItemLayoutProcessorStages_Done &&
+      ToContentLayoutItem(m_pOldLayoutItem)) {
+    if (m_pOldLayoutItem->m_pPrev) {
+      m_pOldLayoutItem->m_pPrev->m_pNext = NULL;
+    }
+    IXFA_Notify* pNotify =
+        m_pOldLayoutItem->m_pFormNode->GetDocument()->GetParser()->GetNotify();
+    IXFA_DocLayout* pDocLayout =
+        m_pOldLayoutItem->m_pFormNode->GetDocument()->GetDocLayout();
+    CXFA_ContentLayoutItem* pOldLayoutItem = m_pOldLayoutItem;
+    while (pOldLayoutItem) {
+      CXFA_ContentLayoutItem* pNextOldLayoutItem = pOldLayoutItem->m_pNext;
+      pNotify->OnLayoutEvent(pDocLayout, pOldLayoutItem,
+                             XFA_LAYOUTEVENT_ItemRemoving);
+      delete pOldLayoutItem;
+      pOldLayoutItem = pNextOldLayoutItem;
+    }
+    m_pOldLayoutItem = NULL;
+  }
+  return pLayoutItem;
+}
+static FX_BOOL XFA_ItemLayoutProcessor_FindBreakNode(
+    CXFA_Node* pContainerNode,
+    CXFA_Node*& pCurActionNode,
+    XFA_ItemLayoutProcessorStages& nCurStage,
+    FX_BOOL bBreakBefore) {
+  FX_BOOL bFindRs = FALSE;
+  for (CXFA_Node* pBreakNode = pContainerNode; pBreakNode;
+       pBreakNode = pBreakNode->GetNodeItem(XFA_NODEITEM_NextSibling)) {
+    XFA_ATTRIBUTE eAttributeType = XFA_ATTRIBUTE_Before;
+    if (!bBreakBefore) {
+      eAttributeType = XFA_ATTRIBUTE_After;
+    }
+    switch (pBreakNode->GetClassID()) {
+      case XFA_ELEMENT_BreakBefore: {
+        if (bBreakBefore) {
+          pCurActionNode = pBreakNode;
+          nCurStage = XFA_ItemLayoutProcessorStages_BreakBefore;
+          bFindRs = TRUE;
+        }
+      } break;
+      case XFA_ELEMENT_BreakAfter: {
+        if (!bBreakBefore) {
+          pCurActionNode = pBreakNode;
+          nCurStage = XFA_ItemLayoutProcessorStages_BreakAfter;
+          bFindRs = TRUE;
+        }
+      } break;
+      case XFA_ELEMENT_Break:
+        if (pBreakNode->GetEnum(eAttributeType) != XFA_ATTRIBUTEENUM_Auto) {
+          pCurActionNode = pBreakNode;
+          nCurStage = XFA_ItemLayoutProcessorStages_BreakBefore;
+          if (!bBreakBefore) {
+            nCurStage = XFA_ItemLayoutProcessorStages_BreakAfter;
+          }
+          bFindRs = TRUE;
+          break;
+        }
+      default:
+        break;
+    }
+    if (bFindRs) {
+      break;
+    }
+  }
+  return bFindRs;
+}
+static void XFA_DeleteLayoutGeneratedNode(CXFA_Node* pGenerateNode) {
+  IXFA_Notify* pNotify = pGenerateNode->GetDocument()->GetParser()->GetNotify();
+  IXFA_DocLayout* pDocLayout = pGenerateNode->GetDocument()->GetDocLayout();
+  CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFANode> sIterator(
+      pGenerateNode);
+  for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode;
+       pNode = sIterator.MoveToNext()) {
+    CXFA_ContentLayoutItem* pCurLayoutItem =
+        (CXFA_ContentLayoutItem*)pNode->GetUserData(XFA_LAYOUTITEMKEY);
+    CXFA_ContentLayoutItem* pNextLayoutItem = NULL;
+    while (pCurLayoutItem) {
+      pNextLayoutItem = pCurLayoutItem->m_pNext;
+      pNotify->OnLayoutEvent(pDocLayout, pCurLayoutItem,
+                             XFA_LAYOUTEVENT_ItemRemoving);
+      delete pCurLayoutItem;
+      pCurLayoutItem = pNextLayoutItem;
+    }
+  }
+  pGenerateNode->GetNodeItem(XFA_NODEITEM_Parent)->RemoveChild(pGenerateNode);
+}
+void CXFA_ItemLayoutProcessor::XFA_ItemLayoutProcessor_GotoNextContainerNode(
+    CXFA_Node*& pCurActionNode,
+    XFA_ItemLayoutProcessorStages& nCurStage,
+    CXFA_Node* pParentContainer,
+    FX_BOOL bUsePageBreak) {
+  CXFA_Node* pEntireContainer = pParentContainer;
+  CXFA_Node* pChildContainer = XFA_LAYOUT_INVALIDNODE;
+  switch (nCurStage) {
+    case XFA_ItemLayoutProcessorStages_BreakBefore:
+    case XFA_ItemLayoutProcessorStages_BreakAfter: {
+      pChildContainer = pCurActionNode->GetNodeItem(XFA_NODEITEM_Parent);
+    } break;
+    case XFA_ItemLayoutProcessorStages_Keep:
+    case XFA_ItemLayoutProcessorStages_Container:
+      pChildContainer = pCurActionNode;
+      break;
+    default:
+      pChildContainer = XFA_LAYOUT_INVALIDNODE;
+      break;
+  }
+  switch (nCurStage) {
+    case XFA_ItemLayoutProcessorStages_Keep: {
+      CXFA_Node* pBreakAfterNode =
+          pChildContainer->GetNodeItem(XFA_NODEITEM_FirstChild);
+      if (!m_bKeepBreakFinish &&
+          XFA_ItemLayoutProcessor_FindBreakNode(pBreakAfterNode, pCurActionNode,
+                                                nCurStage, FALSE)) {
+        return;
+      }
+      goto CheckNextChildContainer;
+    }
+    case XFA_ItemLayoutProcessorStages_None: {
+      pCurActionNode = XFA_LAYOUT_INVALIDNODE;
+      case XFA_ItemLayoutProcessorStages_BookendLeader:
+        for (CXFA_Node* pBookendNode =
+                 pCurActionNode == XFA_LAYOUT_INVALIDNODE
+                     ? pEntireContainer->GetNodeItem(XFA_NODEITEM_FirstChild)
+                     : pCurActionNode->GetNodeItem(XFA_NODEITEM_NextSibling);
+             pBookendNode; pBookendNode = pBookendNode->GetNodeItem(
+                               XFA_NODEITEM_NextSibling)) {
+          switch (pBookendNode->GetClassID()) {
+            case XFA_ELEMENT_Bookend:
+            case XFA_ELEMENT_Break:
+              pCurActionNode = pBookendNode;
+              nCurStage = XFA_ItemLayoutProcessorStages_BookendLeader;
+              return;
+            default:
+              break;
+          }
+        }
+    }
+      {
+        pCurActionNode = XFA_LAYOUT_INVALIDNODE;
+        case XFA_ItemLayoutProcessorStages_BreakBefore:
+          if (pCurActionNode != XFA_LAYOUT_INVALIDNODE) {
+            CXFA_Node* pBreakBeforeNode =
+                pCurActionNode->GetNodeItem(XFA_NODEITEM_NextSibling);
+            if (!m_bKeepBreakFinish &&
+                XFA_ItemLayoutProcessor_FindBreakNode(
+                    pBreakBeforeNode, pCurActionNode, nCurStage, TRUE)) {
+              return;
+            }
+            if (m_bIsProcessKeep) {
+              if (ProcessKeepNodesForBreakBefore(pCurActionNode, nCurStage,
+                                                 pChildContainer)) {
+                return;
+              }
+              goto CheckNextChildContainer;
+            }
+            pCurActionNode = pChildContainer;
+            nCurStage = XFA_ItemLayoutProcessorStages_Container;
+            return;
+          }
+          goto CheckNextChildContainer;
+      }
+    case XFA_ItemLayoutProcessorStages_Container: {
+      pCurActionNode = XFA_LAYOUT_INVALIDNODE;
+      case XFA_ItemLayoutProcessorStages_BreakAfter: {
+        if (pCurActionNode == XFA_LAYOUT_INVALIDNODE) {
+          CXFA_Node* pBreakAfterNode =
+              pChildContainer->GetNodeItem(XFA_NODEITEM_FirstChild);
+          if (!m_bKeepBreakFinish &&
+              XFA_ItemLayoutProcessor_FindBreakNode(
+                  pBreakAfterNode, pCurActionNode, nCurStage, FALSE)) {
+            return;
+          }
+        } else {
+          CXFA_Node* pBreakAfterNode =
+              pCurActionNode->GetNodeItem(XFA_NODEITEM_NextSibling);
+          if (XFA_ItemLayoutProcessor_FindBreakNode(
+                  pBreakAfterNode, pCurActionNode, nCurStage, FALSE)) {
+            return;
+          }
+        }
+        goto CheckNextChildContainer;
+      }
+    }
+    CheckNextChildContainer : {
+      CXFA_Node* pNextChildContainer =
+          pChildContainer == XFA_LAYOUT_INVALIDNODE
+              ? pEntireContainer->GetNodeItem(XFA_NODEITEM_FirstChild,
+                                              XFA_OBJECTTYPE_ContainerNode)
+              : pChildContainer->GetNodeItem(XFA_NODEITEM_NextSibling,
+                                             XFA_OBJECTTYPE_ContainerNode);
+      while (pNextChildContainer &&
+             pNextChildContainer->HasFlag(XFA_NODEFLAG_LayoutGeneratedNode)) {
+        CXFA_Node* pSaveNode = pNextChildContainer;
+        pNextChildContainer = pNextChildContainer->GetNodeItem(
+            XFA_NODEITEM_NextSibling, XFA_OBJECTTYPE_ContainerNode);
+        if (pSaveNode->HasFlag(XFA_NODEFLAG_UnusedNode)) {
+          XFA_DeleteLayoutGeneratedNode(pSaveNode);
+        }
+      }
+      if (!pNextChildContainer) {
+        goto NoMoreChildContainer;
+      }
+      FX_BOOL bLastKeep = FALSE;
+      if (ProcessKeepNodesForCheckNext(pCurActionNode, nCurStage,
+                                       pNextChildContainer, bLastKeep)) {
+        return;
+      }
+      if (!m_bKeepBreakFinish && !bLastKeep &&
+          XFA_ItemLayoutProcessor_FindBreakNode(
+              pNextChildContainer->GetNodeItem(XFA_NODEITEM_FirstChild),
+              pCurActionNode, nCurStage, TRUE)) {
+        return;
+      }
+      pCurActionNode = pNextChildContainer;
+      if (m_bIsProcessKeep) {
+        nCurStage = XFA_ItemLayoutProcessorStages_Keep;
+      } else {
+        nCurStage = XFA_ItemLayoutProcessorStages_Container;
+      }
+      return;
+    }
+    NoMoreChildContainer : {
+      pCurActionNode = XFA_LAYOUT_INVALIDNODE;
+      case XFA_ItemLayoutProcessorStages_BookendTrailer:
+        for (CXFA_Node* pBookendNode =
+                 pCurActionNode == XFA_LAYOUT_INVALIDNODE
+                     ? pEntireContainer->GetNodeItem(XFA_NODEITEM_FirstChild)
+                     : pCurActionNode->GetNodeItem(XFA_NODEITEM_NextSibling);
+             pBookendNode; pBookendNode = pBookendNode->GetNodeItem(
+                               XFA_NODEITEM_NextSibling)) {
+          switch (pBookendNode->GetClassID()) {
+            case XFA_ELEMENT_Bookend:
+            case XFA_ELEMENT_Break:
+              pCurActionNode = pBookendNode;
+              nCurStage = XFA_ItemLayoutProcessorStages_BookendTrailer;
+              return;
+            default:
+              break;
+          }
+        }
+    }
+    default:
+      pCurActionNode = NULL;
+      nCurStage = XFA_ItemLayoutProcessorStages_Done;
+  }
+}
+FX_BOOL CXFA_ItemLayoutProcessor::ProcessKeepNodesForCheckNext(
+    CXFA_Node*& pCurActionNode,
+    XFA_ItemLayoutProcessorStages& nCurStage,
+    CXFA_Node*& pNextContainer,
+    FX_BOOL& bLastKeepNode) {
+  const bool bCanSplit = pNextContainer->GetIntact() == XFA_ATTRIBUTEENUM_None;
+  FX_BOOL bNextKeep = FALSE;
+  if (XFA_ExistContainerKeep(pNextContainer, FALSE)) {
+    bNextKeep = TRUE;
+  }
+  if (bNextKeep && !bCanSplit) {
+    if (!m_bIsProcessKeep && !m_bKeepBreakFinish) {
+      m_pKeepHeadNode = pNextContainer;
+      m_bIsProcessKeep = TRUE;
+    }
+  } else {
+    if (m_bIsProcessKeep && m_pKeepHeadNode) {
+      m_pKeepTailNode = pNextContainer;
+      if (!m_bKeepBreakFinish &&
+          XFA_ItemLayoutProcessor_FindBreakNode(
+              pNextContainer->GetNodeItem(XFA_NODEITEM_FirstChild),
+              pCurActionNode, nCurStage, TRUE)) {
+        return TRUE;
+      } else {
+        pNextContainer = m_pKeepHeadNode;
+        m_bKeepBreakFinish = TRUE;
+        m_pKeepHeadNode = NULL;
+        m_pKeepTailNode = NULL;
+        m_bIsProcessKeep = FALSE;
+      }
+    } else {
+      if (m_bKeepBreakFinish) {
+        bLastKeepNode = TRUE;
+      }
+      m_bKeepBreakFinish = FALSE;
+    }
+  }
+  return FALSE;
+}
+FX_BOOL CXFA_ItemLayoutProcessor::ProcessKeepNodesForBreakBefore(
+    CXFA_Node*& pCurActionNode,
+    XFA_ItemLayoutProcessorStages& nCurStage,
+    CXFA_Node* pContainerNode) {
+  if (m_pKeepTailNode == pContainerNode) {
+    pCurActionNode = m_pKeepHeadNode;
+    m_bKeepBreakFinish = TRUE;
+    m_pKeepHeadNode = NULL;
+    m_pKeepTailNode = NULL;
+    m_bIsProcessKeep = FALSE;
+    nCurStage = XFA_ItemLayoutProcessorStages_Container;
+    return TRUE;
+  }
+  CXFA_Node* pBreakAfterNode =
+      pContainerNode->GetNodeItem(XFA_NODEITEM_FirstChild);
+  if (XFA_ItemLayoutProcessor_FindBreakNode(pBreakAfterNode, pCurActionNode,
+                                            nCurStage, FALSE)) {
+    return TRUE;
+  }
+  return FALSE;
+}
+FX_BOOL XFA_ItemLayoutProcessor_IsTakingSpace(CXFA_Node* pNode) {
+  XFA_ATTRIBUTEENUM ePresence = pNode->GetEnum(XFA_ATTRIBUTE_Presence);
+  return ePresence == XFA_ATTRIBUTEENUM_Visible ||
+         ePresence == XFA_ATTRIBUTEENUM_Invisible;
+}
+static inline void XFA_ItemLayoutProcessor_CalculateContainerSpecfiedSize(
+    CXFA_Node* pFormNode,
+    FX_FLOAT& fContainerWidth,
+    FX_FLOAT& fContainerHeight,
+    FX_BOOL& bContainerWidthAutoSize,
+    FX_BOOL& bContainerHeightAutoSize) {
+  fContainerWidth = 0;
+  fContainerHeight = 0;
+  bContainerWidthAutoSize = TRUE;
+  bContainerHeightAutoSize = TRUE;
+  XFA_ELEMENT eClassID = pFormNode->GetClassID();
+  CXFA_Measurement mTmpValue;
+  if (bContainerWidthAutoSize &&
+      (eClassID == XFA_ELEMENT_Subform || eClassID == XFA_ELEMENT_ExclGroup) &&
+      pFormNode->TryMeasure(XFA_ATTRIBUTE_W, mTmpValue, FALSE) &&
+      mTmpValue.GetValue() > XFA_LAYOUT_FLOAT_PERCISION) {
+    fContainerWidth = mTmpValue.ToUnit(XFA_UNIT_Pt);
+    bContainerWidthAutoSize = FALSE;
+  }
+  if (bContainerHeightAutoSize &&
+      (eClassID == XFA_ELEMENT_Subform || eClassID == XFA_ELEMENT_ExclGroup) &&
+      pFormNode->TryMeasure(XFA_ATTRIBUTE_H, mTmpValue, FALSE) &&
+      mTmpValue.GetValue() > XFA_LAYOUT_FLOAT_PERCISION) {
+    fContainerHeight = mTmpValue.ToUnit(XFA_UNIT_Pt);
+    bContainerHeightAutoSize = FALSE;
+  }
+  if (bContainerWidthAutoSize && eClassID == XFA_ELEMENT_Subform &&
+      pFormNode->TryMeasure(XFA_ATTRIBUTE_MaxW, mTmpValue, FALSE) &&
+      mTmpValue.GetValue() > XFA_LAYOUT_FLOAT_PERCISION) {
+    fContainerWidth = mTmpValue.ToUnit(XFA_UNIT_Pt);
+    bContainerWidthAutoSize = FALSE;
+  }
+  if (bContainerHeightAutoSize && eClassID == XFA_ELEMENT_Subform &&
+      pFormNode->TryMeasure(XFA_ATTRIBUTE_MaxH, mTmpValue, FALSE) &&
+      mTmpValue.GetValue() > XFA_LAYOUT_FLOAT_PERCISION) {
+    fContainerHeight = mTmpValue.ToUnit(XFA_UNIT_Pt);
+    bContainerHeightAutoSize = FALSE;
+  }
+}
+static inline void
+XFA_ItemLayoutProcessor_CalculateContainerComponentSizeFromContentSize(
+    CXFA_Node* pFormNode,
+    FX_BOOL bContainerWidthAutoSize,
+    FX_FLOAT fContentCalculatedWidth,
+    FX_FLOAT& fContainerWidth,
+    FX_BOOL bContainerHeightAutoSize,
+    FX_FLOAT fContentCalculatedHeight,
+    FX_FLOAT& fContainerHeight) {
+  CXFA_Node* pMarginNode = pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+  CXFA_Measurement mTmpValue;
+  if (bContainerWidthAutoSize) {
+    fContainerWidth = fContentCalculatedWidth;
+    if (pMarginNode) {
+      if (pMarginNode->TryMeasure(XFA_ATTRIBUTE_LeftInset, mTmpValue, FALSE)) {
+        fContainerWidth += mTmpValue.ToUnit(XFA_UNIT_Pt);
+      }
+      if (pMarginNode->TryMeasure(XFA_ATTRIBUTE_RightInset, mTmpValue, FALSE)) {
+        fContainerWidth += mTmpValue.ToUnit(XFA_UNIT_Pt);
+      }
+    }
+  }
+  if (bContainerHeightAutoSize) {
+    fContainerHeight = fContentCalculatedHeight;
+    if (pMarginNode) {
+      if (pMarginNode->TryMeasure(XFA_ATTRIBUTE_TopInset, mTmpValue, FALSE)) {
+        fContainerHeight += mTmpValue.ToUnit(XFA_UNIT_Pt);
+      }
+      if (pMarginNode->TryMeasure(XFA_ATTRIBUTE_BottomInset, mTmpValue,
+                                  FALSE)) {
+        fContainerHeight += mTmpValue.ToUnit(XFA_UNIT_Pt);
+      }
+    }
+  }
+}
+void CXFA_ItemLayoutProcessor::CalculatePositionedContainerPos(
+    CXFA_Node* pNode,
+    FX_FLOAT fWidth,
+    FX_FLOAT fHeight,
+    FX_FLOAT& fAbsoluteX,
+    FX_FLOAT& fAbsoluteY) {
+  XFA_ATTRIBUTEENUM eAnchorType = pNode->GetEnum(XFA_ATTRIBUTE_AnchorType);
+  int32_t nAnchorType = 0;
+  switch (eAnchorType) {
+    case XFA_ATTRIBUTEENUM_TopLeft:
+      nAnchorType = 0;
+      break;
+    case XFA_ATTRIBUTEENUM_TopCenter:
+      nAnchorType = 1;
+      break;
+    case XFA_ATTRIBUTEENUM_TopRight:
+      nAnchorType = 2;
+      break;
+    case XFA_ATTRIBUTEENUM_MiddleLeft:
+      nAnchorType = 3;
+      break;
+    case XFA_ATTRIBUTEENUM_MiddleCenter:
+      nAnchorType = 4;
+      break;
+    case XFA_ATTRIBUTEENUM_MiddleRight:
+      nAnchorType = 5;
+      break;
+    case XFA_ATTRIBUTEENUM_BottomLeft:
+      nAnchorType = 6;
+      break;
+    case XFA_ATTRIBUTEENUM_BottomCenter:
+      nAnchorType = 7;
+      break;
+    case XFA_ATTRIBUTEENUM_BottomRight:
+      nAnchorType = 8;
+      break;
+    default:
+      break;
+  }
+  static const uint8_t nNextPos[4][9] = {{0, 1, 2, 3, 4, 5, 6, 7, 8},
+                                         {6, 3, 0, 7, 4, 1, 8, 5, 2},
+                                         {8, 7, 6, 5, 4, 3, 2, 1, 0},
+                                         {2, 5, 8, 1, 4, 7, 0, 3, 6}};
+
+  FX_FLOAT fAnchorX = pNode->GetMeasure(XFA_ATTRIBUTE_X).ToUnit(XFA_UNIT_Pt);
+  FX_FLOAT fAnchorY = pNode->GetMeasure(XFA_ATTRIBUTE_Y).ToUnit(XFA_UNIT_Pt);
+  int32_t nRotate =
+      FXSYS_round(pNode->GetMeasure(XFA_ATTRIBUTE_Rotate).GetValue());
+  nRotate = XFA_MapRotation(nRotate) / 90;
+  int32_t nAbsoluteAnchorType = nNextPos[nRotate][nAnchorType];
+  fAbsoluteX = fAnchorX;
+  fAbsoluteY = fAnchorY;
+  switch (nAbsoluteAnchorType / 3) {
+    case 1:
+      fAbsoluteY -= fHeight / 2;
+      break;
+    case 2:
+      fAbsoluteY -= fHeight;
+      break;
+    default:
+      break;
+  }
+  switch (nAbsoluteAnchorType % 3) {
+    case 1:
+      fAbsoluteX -= fWidth / 2;
+      break;
+    case 2:
+      fAbsoluteX -= fWidth;
+      break;
+    default:
+      break;
+  }
+}
+FX_BOOL CXFA_ItemLayoutProcessor::IncrementRelayoutNode(
+    CXFA_LayoutProcessor* pLayoutProcessor,
+    CXFA_Node* pNode,
+    CXFA_Node* pParentNode) {
+  return FALSE;
+}
+void CXFA_ItemLayoutProcessor::DoLayoutPageArea(
+    CXFA_ContainerLayoutItem* pPageAreaLayoutItem) {
+  CXFA_Node* pFormNode = pPageAreaLayoutItem->m_pFormNode;
+  CXFA_Node* pCurChildNode = XFA_LAYOUT_INVALIDNODE;
+  XFA_ItemLayoutProcessorStages nCurChildNodeStage =
+      XFA_ItemLayoutProcessorStages_None;
+  CXFA_LayoutItem* pBeforeItem = NULL;
+  for (XFA_ItemLayoutProcessor_GotoNextContainerNode(
+           pCurChildNode, nCurChildNodeStage, pFormNode, FALSE);
+       pCurChildNode; XFA_ItemLayoutProcessor_GotoNextContainerNode(
+           pCurChildNode, nCurChildNodeStage, pFormNode, FALSE)) {
+    if (nCurChildNodeStage != XFA_ItemLayoutProcessorStages_Container) {
+      continue;
+    }
+    if (pCurChildNode->GetClassID() == XFA_ELEMENT_Variables) {
+      continue;
+    }
+    CXFA_ItemLayoutProcessor* pProcessor =
+        new CXFA_ItemLayoutProcessor(pCurChildNode, NULL);
+    pProcessor->DoLayout(FALSE, XFA_LAYOUT_FLOAT_MAX);
+    if (!pProcessor->HasLayoutItem()) {
+      delete pProcessor;
+      continue;
+    }
+    FX_FLOAT fWidth, fHeight;
+    pProcessor->GetCurrentComponentSize(fWidth, fHeight);
+    FX_FLOAT fAbsoluteX = 0, fAbsoluteY = 0;
+    CalculatePositionedContainerPos(pCurChildNode, fWidth, fHeight, fAbsoluteX,
+                                    fAbsoluteY);
+    pProcessor->SetCurrentComponentPos(fAbsoluteX, fAbsoluteY);
+    CXFA_LayoutItem* pProcessItem = pProcessor->ExtractLayoutItem();
+    if (pBeforeItem == NULL) {
+      pPageAreaLayoutItem->AddHeadChild(pProcessItem);
+    } else {
+      pPageAreaLayoutItem->InsertChild(pBeforeItem, pProcessItem);
+    }
+    pBeforeItem = pProcessItem;
+    delete pProcessor;
+  }
+  pBeforeItem = NULL;
+  CXFA_LayoutItem* pLayoutItem = pPageAreaLayoutItem->m_pFirstChild;
+  while (pLayoutItem) {
+    if (!pLayoutItem->IsContentLayoutItem() ||
+        pLayoutItem->m_pFormNode->GetClassID() != XFA_ELEMENT_Draw) {
+      pLayoutItem = pLayoutItem->m_pNextSibling;
+      continue;
+    }
+    if (pLayoutItem->m_pFormNode->GetClassID() == XFA_ELEMENT_Draw) {
+      CXFA_LayoutItem* pNextLayoutItem = pLayoutItem->m_pNextSibling;
+      pPageAreaLayoutItem->RemoveChild(pLayoutItem);
+      if (pBeforeItem == NULL) {
+        pPageAreaLayoutItem->AddHeadChild(pLayoutItem);
+      } else {
+        pPageAreaLayoutItem->InsertChild(pBeforeItem, pLayoutItem);
+      }
+      pBeforeItem = pLayoutItem;
+      pLayoutItem = pNextLayoutItem;
+    }
+  }
+}
+void CXFA_ItemLayoutProcessor::DoLayoutPositionedContainer(
+    CXFA_LayoutContext* pContext) {
+  if (m_pLayoutItem)
+    return;
+
+  m_pLayoutItem = CreateContentLayoutItem(m_pFormNode);
+  FX_BOOL bIgnoreXY = (m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout) !=
+                       XFA_ATTRIBUTEENUM_Position);
+  FX_FLOAT fContainerWidth = 0, fContainerHeight = 0;
+  FX_BOOL bContainerWidthAutoSize = TRUE, bContainerHeightAutoSize = TRUE;
+  XFA_ItemLayoutProcessor_CalculateContainerSpecfiedSize(
+      m_pFormNode, fContainerWidth, fContainerHeight, bContainerWidthAutoSize,
+      bContainerHeightAutoSize);
+  FX_FLOAT fContentCalculatedWidth = 0, fContentCalculatedHeight = 0;
+  FX_FLOAT fHiddenContentCalculatedWidth = 0,
+           fHiddenContentCalculatedHeight = 0;
+  if (m_pCurChildNode == XFA_LAYOUT_INVALIDNODE) {
+    XFA_ItemLayoutProcessor_GotoNextContainerNode(
+        m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, FALSE);
+  }
+  int32_t iColIndex = 0;
+  for (; m_pCurChildNode; XFA_ItemLayoutProcessor_GotoNextContainerNode(
+           m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, FALSE)) {
+    if (m_nCurChildNodeStage != XFA_ItemLayoutProcessorStages_Container) {
+      continue;
+    }
+    if (m_pCurChildNode->GetClassID() == XFA_ELEMENT_Variables) {
+      continue;
+    }
+    CXFA_ItemLayoutProcessor* pProcessor =
+        new CXFA_ItemLayoutProcessor(m_pCurChildNode, m_pPageMgr);
+    if (pContext && pContext->m_prgSpecifiedColumnWidths) {
+      int32_t iColSpan = m_pCurChildNode->GetInteger(XFA_ATTRIBUTE_ColSpan);
+      if (iColSpan <=
+          pContext->m_prgSpecifiedColumnWidths->GetSize() - iColIndex) {
+        pContext->m_fCurColumnWidth = 0;
+        pContext->m_bCurColumnWidthAvaiable = TRUE;
+        if (iColSpan == -1)
+          iColSpan = pContext->m_prgSpecifiedColumnWidths->GetSize();
+        for (int32_t i = 0; iColIndex + i < iColSpan; ++i) {
+          pContext->m_fCurColumnWidth +=
+              pContext->m_prgSpecifiedColumnWidths->GetAt(iColIndex + i);
+        }
+        if (pContext->m_fCurColumnWidth == 0)
+          pContext->m_bCurColumnWidthAvaiable = FALSE;
+        iColIndex += iColSpan >= 0 ? iColSpan : 0;
+      }
+    }
+    pProcessor->DoLayout(FALSE, XFA_LAYOUT_FLOAT_MAX, XFA_LAYOUT_FLOAT_MAX,
+                         pContext);
+    if (!pProcessor->HasLayoutItem()) {
+      delete pProcessor;
+      continue;
+    }
+    FX_FLOAT fWidth, fHeight;
+    pProcessor->GetCurrentComponentSize(fWidth, fHeight);
+    FX_BOOL bChangeParentSize = FALSE;
+    if (XFA_ItemLayoutProcessor_IsTakingSpace(m_pCurChildNode)) {
+      bChangeParentSize = TRUE;
+    }
+    FX_FLOAT fAbsoluteX = 0, fAbsoluteY = 0;
+    if (!bIgnoreXY) {
+      CalculatePositionedContainerPos(m_pCurChildNode, fWidth, fHeight,
+                                      fAbsoluteX, fAbsoluteY);
+    }
+    pProcessor->SetCurrentComponentPos(fAbsoluteX, fAbsoluteY);
+    if (bContainerWidthAutoSize) {
+      FX_FLOAT fChildSuppliedWidth = fAbsoluteX + fWidth;
+      if (bChangeParentSize) {
+        if (fContentCalculatedWidth < fChildSuppliedWidth) {
+          fContentCalculatedWidth = fChildSuppliedWidth;
+        }
+      } else {
+        if (fHiddenContentCalculatedWidth < fChildSuppliedWidth &&
+            m_pCurChildNode->GetClassID() != XFA_ELEMENT_Subform) {
+          fHiddenContentCalculatedWidth = fChildSuppliedWidth;
+        }
+      }
+    }
+    if (bContainerHeightAutoSize) {
+      FX_FLOAT fChildSuppliedHeight = fAbsoluteY + fHeight;
+      if (bChangeParentSize) {
+        if (fContentCalculatedHeight < fChildSuppliedHeight) {
+          fContentCalculatedHeight = fChildSuppliedHeight;
+        }
+      } else {
+        if (fHiddenContentCalculatedHeight < fChildSuppliedHeight &&
+            m_pCurChildNode->GetClassID() != XFA_ELEMENT_Subform) {
+          fHiddenContentCalculatedHeight = fChildSuppliedHeight;
+        }
+      }
+    }
+    m_pLayoutItem->AddChild(pProcessor->ExtractLayoutItem());
+    delete pProcessor;
+  }
+  XFA_VERSION eVersion = m_pFormNode->GetDocument()->GetCurVersionMode();
+  if (fContentCalculatedWidth == 0 && eVersion < XFA_VERSION_207) {
+    fContentCalculatedWidth = fHiddenContentCalculatedWidth;
+  }
+  if (fContentCalculatedHeight == 0 && eVersion < XFA_VERSION_207) {
+    fContentCalculatedHeight = fHiddenContentCalculatedHeight;
+  }
+  XFA_ItemLayoutProcessor_CalculateContainerComponentSizeFromContentSize(
+      m_pFormNode, bContainerWidthAutoSize, fContentCalculatedWidth,
+      fContainerWidth, bContainerHeightAutoSize, fContentCalculatedHeight,
+      fContainerHeight);
+  SetCurrentComponentSize(fContainerWidth, fContainerHeight);
+}
+static inline void XFA_ItemLayoutProcessor_UpdateWidgetSize(
+    CXFA_ContentLayoutItem* pLayoutItem,
+    FX_FLOAT& fWidth,
+    FX_FLOAT& fHeight) {
+  CXFA_Node* pNode = pLayoutItem->m_pFormNode;
+  ASSERT(pNode);
+  XFA_ELEMENT eClassID = pNode->GetClassID();
+  switch (eClassID) {
+    case XFA_ELEMENT_Subform:
+    case XFA_ELEMENT_Area:
+    case XFA_ELEMENT_ExclGroup:
+    case XFA_ELEMENT_SubformSet: {
+      if (fWidth < -XFA_LAYOUT_FLOAT_PERCISION) {
+        fWidth = pLayoutItem->m_sSize.x;
+      }
+      if (fHeight < -XFA_LAYOUT_FLOAT_PERCISION) {
+        fHeight = pLayoutItem->m_sSize.y;
+      }
+      break;
+    }
+    case XFA_ELEMENT_Draw:
+    case XFA_ELEMENT_Field: {
+      pNode->GetDocument()->GetParser()->GetNotify()->StartFieldDrawLayout(
+          pNode, fWidth, fHeight);
+      break;
+    }
+    default:
+      ASSERT(FALSE);
+  }
+}
+static inline void XFA_ItemLayoutProcessor_RelocateTableRowCells(
+    CXFA_ContentLayoutItem* pLayoutRow,
+    const CFX_ArrayTemplate<FX_FLOAT>& rgSpecifiedColumnWidths,
+    XFA_ATTRIBUTEENUM eLayout) {
+  FX_FLOAT fContainerWidth = 0, fContainerHeight = 0;
+  FX_BOOL bContainerWidthAutoSize = TRUE, bContainerHeightAutoSize = TRUE;
+  XFA_ItemLayoutProcessor_CalculateContainerSpecfiedSize(
+      pLayoutRow->m_pFormNode, fContainerWidth, fContainerHeight,
+      bContainerWidthAutoSize, bContainerHeightAutoSize);
+  CXFA_Node* pMarginNode =
+      pLayoutRow->m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+  FX_FLOAT fLeftInset = 0, fTopInset = 0, fRightInset = 0, fBottomInset = 0;
+  if (pMarginNode) {
+    fLeftInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset).ToUnit(XFA_UNIT_Pt);
+    fTopInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset).ToUnit(XFA_UNIT_Pt);
+    fRightInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_RightInset).ToUnit(XFA_UNIT_Pt);
+    fBottomInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_BottomInset).ToUnit(XFA_UNIT_Pt);
+  }
+  FX_FLOAT fContentWidthLimit =
+      bContainerWidthAutoSize ? XFA_LAYOUT_FLOAT_MAX
+                              : fContainerWidth - fLeftInset - fRightInset;
+  FX_FLOAT fContentCurrentHeight =
+      pLayoutRow->m_sSize.y - fTopInset - fBottomInset;
+  FX_FLOAT fContentCalculatedWidth = 0, fContentCalculatedHeight = 0;
+  FX_FLOAT fCurrentColX = 0;
+  int32_t nCurrentColIdx = 0;
+  FX_BOOL bMetWholeRowCell = FALSE;
+  for (CXFA_ContentLayoutItem* pLayoutChild =
+           (CXFA_ContentLayoutItem*)pLayoutRow->m_pFirstChild;
+       pLayoutChild;
+       pLayoutChild = (CXFA_ContentLayoutItem*)pLayoutChild->m_pNextSibling) {
+    int32_t nOriginalColSpan =
+        pLayoutChild->m_pFormNode->GetInteger(XFA_ATTRIBUTE_ColSpan);
+    int32_t nColSpan = nOriginalColSpan;
+    FX_FLOAT fColSpanWidth = 0;
+    if (nColSpan == -1 ||
+        nCurrentColIdx + nColSpan > rgSpecifiedColumnWidths.GetSize()) {
+      nColSpan = rgSpecifiedColumnWidths.GetSize() - nCurrentColIdx;
+    }
+    for (int32_t i = 0; i < nColSpan; i++) {
+      fColSpanWidth += rgSpecifiedColumnWidths[nCurrentColIdx + i];
+    }
+    if (nColSpan != nOriginalColSpan) {
+      fColSpanWidth = bMetWholeRowCell ? 0 : std::max(fColSpanWidth,
+                                                      pLayoutChild->m_sSize.y);
+    }
+    if (nOriginalColSpan == -1) {
+      bMetWholeRowCell = TRUE;
+    }
+    pLayoutChild->m_sPos = CFX_PointF(fCurrentColX, 0);
+    pLayoutChild->m_sSize.x = fColSpanWidth;
+    if (XFA_ItemLayoutProcessor_IsTakingSpace(pLayoutChild->m_pFormNode)) {
+      fCurrentColX += fColSpanWidth;
+      nCurrentColIdx += nColSpan;
+      FX_FLOAT fNewHeight =
+          bContainerHeightAutoSize ? -1 : fContentCurrentHeight;
+      XFA_ItemLayoutProcessor_UpdateWidgetSize(pLayoutChild, fColSpanWidth,
+                                               fNewHeight);
+      pLayoutChild->m_sSize.y = fNewHeight;
+      if (bContainerHeightAutoSize) {
+        FX_FLOAT fChildSuppliedHeight = pLayoutChild->m_sSize.y;
+        if (fContentCalculatedHeight < fChildSuppliedHeight) {
+          fContentCalculatedHeight = fChildSuppliedHeight;
+        }
+      }
+    }
+  }
+  if (bContainerHeightAutoSize) {
+    for (CXFA_ContentLayoutItem* pLayoutChild =
+             (CXFA_ContentLayoutItem*)pLayoutRow->m_pFirstChild;
+         pLayoutChild;
+         pLayoutChild = (CXFA_ContentLayoutItem*)pLayoutChild->m_pNextSibling) {
+      XFA_ItemLayoutProcessor_UpdateWidgetSize(
+          pLayoutChild, pLayoutChild->m_sSize.x, fContentCalculatedHeight);
+      FX_FLOAT fOldChildHeight = pLayoutChild->m_sSize.y;
+      pLayoutChild->m_sSize.y = fContentCalculatedHeight;
+      CXFA_Node* pParaNode =
+          pLayoutChild->m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Para);
+      if (pParaNode && pLayoutChild->m_pFirstChild) {
+        FX_FLOAT fOffHeight = fContentCalculatedHeight - fOldChildHeight;
+        XFA_ATTRIBUTEENUM eVType = pParaNode->GetEnum(XFA_ATTRIBUTE_VAlign);
+        switch (eVType) {
+          case XFA_ATTRIBUTEENUM_Middle:
+            fOffHeight = fOffHeight / 2;
+            break;
+          case XFA_ATTRIBUTEENUM_Bottom:
+            break;
+          case XFA_ATTRIBUTEENUM_Top:
+          default:
+            fOffHeight = 0;
+            break;
+        }
+        if (fOffHeight > 0) {
+          for (CXFA_ContentLayoutItem* pInnerLayoutChild =
+                   (CXFA_ContentLayoutItem*)pLayoutChild->m_pFirstChild;
+               pInnerLayoutChild;
+               pInnerLayoutChild =
+                   (CXFA_ContentLayoutItem*)pInnerLayoutChild->m_pNextSibling) {
+            pInnerLayoutChild->m_sPos.y += fOffHeight;
+          }
+        }
+      }
+    }
+  }
+  if (bContainerWidthAutoSize) {
+    FX_FLOAT fChildSuppliedWidth = fCurrentColX;
+    if (fContentWidthLimit < XFA_LAYOUT_FLOAT_MAX &&
+        fContentWidthLimit > fChildSuppliedWidth) {
+      fChildSuppliedWidth = fContentWidthLimit;
+    }
+    if (fContentCalculatedWidth < fChildSuppliedWidth) {
+      fContentCalculatedWidth = fChildSuppliedWidth;
+    }
+  } else {
+    fContentCalculatedWidth = fContainerWidth - fLeftInset - fRightInset;
+  }
+  if (pLayoutRow->m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout) ==
+      XFA_ATTRIBUTEENUM_Rl_row) {
+    for (CXFA_ContentLayoutItem* pLayoutChild =
+             (CXFA_ContentLayoutItem*)pLayoutRow->m_pFirstChild;
+         pLayoutChild;
+         pLayoutChild = (CXFA_ContentLayoutItem*)pLayoutChild->m_pNextSibling) {
+      pLayoutChild->m_sPos.x = fContentCalculatedWidth -
+                               pLayoutChild->m_sPos.x - pLayoutChild->m_sSize.x;
+    }
+  }
+  XFA_ItemLayoutProcessor_CalculateContainerComponentSizeFromContentSize(
+      pLayoutRow->m_pFormNode, bContainerWidthAutoSize, fContentCalculatedWidth,
+      fContainerWidth, bContainerHeightAutoSize, fContentCalculatedHeight,
+      fContainerHeight);
+  pLayoutRow->m_sSize = CFX_SizeF(fContainerWidth, fContainerHeight);
+}
+void CXFA_ItemLayoutProcessor::DoLayoutTableContainer(CXFA_Node* pLayoutNode) {
+  if (m_pLayoutItem)
+    return;
+
+  if (pLayoutNode == NULL) {
+    pLayoutNode = m_pFormNode;
+  }
+  ASSERT(m_pCurChildNode == XFA_LAYOUT_INVALIDNODE);
+  m_pLayoutItem = CreateContentLayoutItem(m_pFormNode);
+  FX_FLOAT fContainerWidth = 0, fContainerHeight = 0;
+  FX_BOOL bContainerWidthAutoSize = TRUE, bContainerHeightAutoSize = TRUE;
+  XFA_ItemLayoutProcessor_CalculateContainerSpecfiedSize(
+      m_pFormNode, fContainerWidth, fContainerHeight, bContainerWidthAutoSize,
+      bContainerHeightAutoSize);
+  FX_FLOAT fContentCalculatedWidth = 0, fContentCalculatedHeight = 0;
+  CXFA_Node* pMarginNode =
+      m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+  FX_FLOAT fLeftInset = 0;
+  FX_FLOAT fRightInset = 0;
+  if (pMarginNode) {
+    fLeftInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset).ToUnit(XFA_UNIT_Pt);
+    fRightInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_RightInset).ToUnit(XFA_UNIT_Pt);
+  }
+  FX_FLOAT fContentWidthLimit =
+      bContainerWidthAutoSize ? XFA_LAYOUT_FLOAT_MAX
+                              : fContainerWidth - fLeftInset - fRightInset;
+  CFX_WideStringC wsColumnWidths;
+  if (pLayoutNode->TryCData(XFA_ATTRIBUTE_ColumnWidths, wsColumnWidths)) {
+    CFX_WideStringArray widths;
+    if (FX_SeparateStringW(wsColumnWidths.GetPtr(), wsColumnWidths.GetLength(),
+                           L' ', widths) > 0) {
+      int32_t iCols = widths.GetSize();
+      CFX_WideString wsWidth;
+      for (int32_t i = 0; i < iCols; i++) {
+        wsWidth = widths[i];
+        wsWidth.TrimLeft(L' ');
+        if (!wsWidth.IsEmpty()) {
+          CXFA_Measurement measure(wsWidth);
+          m_rgSpecifiedColumnWidths.Add(measure.ToUnit(XFA_UNIT_Pt));
+        }
+      }
+    }
+  }
+  int32_t iSpecifiedColumnCount = m_rgSpecifiedColumnWidths.GetSize();
+  CXFA_LayoutContext layoutContext;
+  layoutContext.m_prgSpecifiedColumnWidths = &m_rgSpecifiedColumnWidths;
+  CXFA_LayoutContext* pLayoutContext =
+      iSpecifiedColumnCount > 0 ? &layoutContext : NULL;
+  if (m_pCurChildNode == XFA_LAYOUT_INVALIDNODE) {
+    XFA_ItemLayoutProcessor_GotoNextContainerNode(
+        m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, FALSE);
+  }
+  for (; m_pCurChildNode; XFA_ItemLayoutProcessor_GotoNextContainerNode(
+           m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, FALSE)) {
+    layoutContext.m_bCurColumnWidthAvaiable = FALSE;
+    layoutContext.m_fCurColumnWidth = 0;
+    if (m_nCurChildNodeStage != XFA_ItemLayoutProcessorStages_Container) {
+      continue;
+    }
+    CXFA_ItemLayoutProcessor* pProcessor =
+        new CXFA_ItemLayoutProcessor(m_pCurChildNode, m_pPageMgr);
+    pProcessor->DoLayout(FALSE, XFA_LAYOUT_FLOAT_MAX, XFA_LAYOUT_FLOAT_MAX,
+                         pLayoutContext);
+    if (!pProcessor->HasLayoutItem()) {
+      delete pProcessor;
+      continue;
+    }
+    m_pLayoutItem->AddChild(pProcessor->ExtractLayoutItem());
+    delete pProcessor;
+  }
+  int32_t iRowCount = 0, iColCount = 0;
+  {
+    CFX_ArrayTemplate<CXFA_ContentLayoutItem*> rgRowItems;
+    CFX_ArrayTemplate<int32_t> rgRowItemsSpan;
+    CFX_ArrayTemplate<FX_FLOAT> rgRowItemsWidth;
+    for (CXFA_ContentLayoutItem* pLayoutChild =
+             (CXFA_ContentLayoutItem*)m_pLayoutItem->m_pFirstChild;
+         pLayoutChild;
+         pLayoutChild = (CXFA_ContentLayoutItem*)pLayoutChild->m_pNextSibling) {
+      if (pLayoutChild->m_pFormNode->GetClassID() != XFA_ELEMENT_Subform) {
+        continue;
+      }
+      if (!XFA_ItemLayoutProcessor_IsTakingSpace(pLayoutChild->m_pFormNode)) {
+        continue;
+      }
+      XFA_ATTRIBUTEENUM eLayout =
+          pLayoutChild->m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+      if (eLayout != XFA_ATTRIBUTEENUM_Row &&
+          eLayout != XFA_ATTRIBUTEENUM_Rl_row) {
+        continue;
+      }
+      if (CXFA_ContentLayoutItem* pRowLayoutCell =
+              (CXFA_ContentLayoutItem*)pLayoutChild->m_pFirstChild) {
+        rgRowItems.Add(pRowLayoutCell);
+        int32_t iColSpan =
+            pRowLayoutCell->m_pFormNode->GetInteger(XFA_ATTRIBUTE_ColSpan);
+        rgRowItemsSpan.Add(iColSpan);
+        rgRowItemsWidth.Add(pRowLayoutCell->m_sSize.x);
+      }
+    }
+    iRowCount = rgRowItems.GetSize();
+    iColCount = 0;
+    FX_BOOL bMoreColumns = TRUE;
+    while (bMoreColumns) {
+      bMoreColumns = FALSE;
+      FX_BOOL bAutoCol = FALSE;
+      for (int32_t i = 0; i < iRowCount; i++) {
+        while (rgRowItems[i] && (rgRowItemsSpan[i] <= 0 ||
+                                 !XFA_ItemLayoutProcessor_IsTakingSpace(
+                                     rgRowItems[i]->m_pFormNode))) {
+          CXFA_ContentLayoutItem* pNewCell =
+              (CXFA_ContentLayoutItem*)rgRowItems[i]->m_pNextSibling;
+          if (rgRowItemsSpan[i] < 0 && XFA_ItemLayoutProcessor_IsTakingSpace(
+                                           rgRowItems[i]->m_pFormNode)) {
+            pNewCell = NULL;
+          }
+          rgRowItems[i] = pNewCell;
+          rgRowItemsSpan[i] =
+              pNewCell
+                  ? pNewCell->m_pFormNode->GetInteger(XFA_ATTRIBUTE_ColSpan)
+                  : 0;
+          rgRowItemsWidth[i] = pNewCell ? pNewCell->m_sSize.x : 0;
+        }
+        CXFA_ContentLayoutItem* pCell = rgRowItems[i];
+        if (!pCell) {
+          continue;
+        }
+        bMoreColumns = TRUE;
+        if (rgRowItemsSpan[i] == 1) {
+          if (iColCount >= iSpecifiedColumnCount) {
+            for (int32_t j = 0, c = iColCount + 1 -
+                                    m_rgSpecifiedColumnWidths.GetSize();
+                 j < c; j++) {
+              m_rgSpecifiedColumnWidths.Add(0);
+            }
+          }
+          if (m_rgSpecifiedColumnWidths[iColCount] <
+              XFA_LAYOUT_FLOAT_PERCISION) {
+            bAutoCol = TRUE;
+          }
+          if (bAutoCol &&
+              m_rgSpecifiedColumnWidths[iColCount] < rgRowItemsWidth[i]) {
+            m_rgSpecifiedColumnWidths[iColCount] = rgRowItemsWidth[i];
+          }
+        }
+      }
+      if (bMoreColumns) {
+        FX_FLOAT fFinalColumnWidth = 0.0f;
+        if (iColCount < m_rgSpecifiedColumnWidths.GetSize())
+          fFinalColumnWidth = m_rgSpecifiedColumnWidths[iColCount];
+        for (int32_t i = 0; i < iRowCount; ++i) {
+          if (!rgRowItems[i])
+            continue;
+          --rgRowItemsSpan[i];
+          rgRowItemsWidth[i] -= fFinalColumnWidth;
+        }
+        ++iColCount;
+      }
+    }
+  }
+  FX_FLOAT fCurrentRowY = 0;
+  for (CXFA_ContentLayoutItem* pLayoutChild =
+           (CXFA_ContentLayoutItem*)m_pLayoutItem->m_pFirstChild;
+       pLayoutChild;
+       pLayoutChild = (CXFA_ContentLayoutItem*)pLayoutChild->m_pNextSibling) {
+    if (!XFA_ItemLayoutProcessor_IsTakingSpace(pLayoutChild->m_pFormNode)) {
+      continue;
+    }
+    if (pLayoutChild->m_pFormNode->GetClassID() == XFA_ELEMENT_Subform) {
+      XFA_ATTRIBUTEENUM eSubformLayout =
+          pLayoutChild->m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+      if (eSubformLayout == XFA_ATTRIBUTEENUM_Row ||
+          eSubformLayout == XFA_ATTRIBUTEENUM_Rl_row) {
+        XFA_ItemLayoutProcessor_RelocateTableRowCells(
+            pLayoutChild, m_rgSpecifiedColumnWidths, eSubformLayout);
+      }
+    }
+    pLayoutChild->m_sPos.y = fCurrentRowY;
+    if (bContainerWidthAutoSize) {
+      pLayoutChild->m_sPos.x = 0;
+    } else {
+      switch (pLayoutChild->m_pFormNode->GetEnum(XFA_ATTRIBUTE_HAlign)) {
+        case XFA_ATTRIBUTEENUM_Left:
+        default:
+          pLayoutChild->m_sPos.x = 0;
+          break;
+        case XFA_ATTRIBUTEENUM_Center:
+          pLayoutChild->m_sPos.x =
+              (fContentWidthLimit - pLayoutChild->m_sSize.x) / 2;
+          break;
+        case XFA_ATTRIBUTEENUM_Right:
+          pLayoutChild->m_sPos.x = fContentWidthLimit - pLayoutChild->m_sSize.x;
+          break;
+      }
+    }
+    if (bContainerWidthAutoSize) {
+      FX_FLOAT fChildSuppliedWidth =
+          pLayoutChild->m_sPos.x + pLayoutChild->m_sSize.x;
+      if (fContentWidthLimit < XFA_LAYOUT_FLOAT_MAX &&
+          fContentWidthLimit > fChildSuppliedWidth) {
+        fChildSuppliedWidth = fContentWidthLimit;
+      }
+      if (fContentCalculatedWidth < fChildSuppliedWidth) {
+        fContentCalculatedWidth = fChildSuppliedWidth;
+      }
+    }
+    fCurrentRowY += pLayoutChild->m_sSize.y;
+  }
+  if (bContainerHeightAutoSize) {
+    FX_FLOAT fChildSuppliedHeight = fCurrentRowY;
+    if (fContentCalculatedHeight < fChildSuppliedHeight) {
+      fContentCalculatedHeight = fChildSuppliedHeight;
+    }
+  }
+  XFA_ItemLayoutProcessor_CalculateContainerComponentSizeFromContentSize(
+      m_pFormNode, bContainerWidthAutoSize, fContentCalculatedWidth,
+      fContainerWidth, bContainerHeightAutoSize, fContentCalculatedHeight,
+      fContainerHeight);
+  SetCurrentComponentSize(fContainerWidth, fContainerHeight);
+}
+static uint8_t XFA_ItemLayoutProcessor_HAlignEnumToInt(
+    XFA_ATTRIBUTEENUM eHAlign) {
+  switch (eHAlign) {
+    case XFA_ATTRIBUTEENUM_Center:
+      return 1;
+    case XFA_ATTRIBUTEENUM_Right:
+      return 2;
+    case XFA_ATTRIBUTEENUM_Left:
+    default:
+      return 0;
+  }
+}
+static void XFA_ItemLayoutProcessor_UpdatePendedItemLayout(
+    CXFA_ItemLayoutProcessor* pProcessor,
+    CXFA_ContentLayoutItem* pLayoutItem) {
+  XFA_ATTRIBUTEENUM eLayout =
+      pLayoutItem->m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+  switch (eLayout) {
+    case XFA_ATTRIBUTEENUM_Row:
+    case XFA_ATTRIBUTEENUM_Rl_row:
+      XFA_ItemLayoutProcessor_RelocateTableRowCells(
+          pLayoutItem, pProcessor->m_rgSpecifiedColumnWidths, eLayout);
+      break;
+    default:
+      break;
+  }
+}
+FX_BOOL CXFA_ItemLayoutProcessor::IsAddNewRowForTrailer(
+    CXFA_ContentLayoutItem* pTrailerItem) {
+  if (!pTrailerItem) {
+    return FALSE;
+  }
+  FX_FLOAT fWidth = pTrailerItem->m_sSize.x;
+  XFA_ATTRIBUTEENUM eLayout = m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+  if (eLayout != XFA_ATTRIBUTEENUM_Tb && m_fWidthLimite > fWidth) {
+    return FALSE;
+  }
+  return TRUE;
+}
+static void XFA_ItemLayoutProcessor_AddTrailerBeforeSplit(
+    CXFA_ItemLayoutProcessor* pProcessor,
+    FX_FLOAT fSplitPos,
+    CXFA_ContentLayoutItem* pTrailerLayoutItem,
+    FX_BOOL bUseInherited = FALSE) {
+  if (!pTrailerLayoutItem) {
+    return;
+  }
+  FX_FLOAT fHeight = pTrailerLayoutItem->m_sSize.y;
+  if (bUseInherited) {
+    FX_FLOAT fNewSplitPos = 0;
+    if (fSplitPos - fHeight > XFA_LAYOUT_FLOAT_PERCISION) {
+      fNewSplitPos = pProcessor->FindSplitPos(fSplitPos - fHeight);
+    }
+    if (fNewSplitPos > XFA_LAYOUT_FLOAT_PERCISION) {
+      pProcessor->SplitLayoutItem(fNewSplitPos);
+    }
+    return;
+  }
+  XFA_ItemLayoutProcessor_UpdatePendedItemLayout(pProcessor,
+                                                 pTrailerLayoutItem);
+  CXFA_Node* pMarginNode =
+      pProcessor->m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+  FX_FLOAT fLeftInset = 0, fTopInset = 0, fRightInset = 0, fBottomInset = 0;
+  if (pMarginNode) {
+    fLeftInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset).ToUnit(XFA_UNIT_Pt);
+    fTopInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset).ToUnit(XFA_UNIT_Pt);
+    fRightInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_RightInset).ToUnit(XFA_UNIT_Pt);
+    fBottomInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_BottomInset).ToUnit(XFA_UNIT_Pt);
+  }
+  if (!pProcessor->IsAddNewRowForTrailer(pTrailerLayoutItem)) {
+    pTrailerLayoutItem->m_sPos.y = pProcessor->m_fLastRowY;
+    pTrailerLayoutItem->m_sPos.x = pProcessor->m_fLastRowWidth;
+    pProcessor->m_pLayoutItem->m_sSize.x += pTrailerLayoutItem->m_sSize.x;
+    pProcessor->m_pLayoutItem->AddChild(pTrailerLayoutItem);
+    return;
+  }
+  FX_FLOAT fNewSplitPos = 0;
+  if (fSplitPos - fHeight > XFA_LAYOUT_FLOAT_PERCISION) {
+    fNewSplitPos = pProcessor->FindSplitPos(fSplitPos - fHeight);
+  }
+  if (fNewSplitPos > XFA_LAYOUT_FLOAT_PERCISION) {
+    pProcessor->SplitLayoutItem(fNewSplitPos);
+    pTrailerLayoutItem->m_sPos.y = fNewSplitPos - fTopInset - fBottomInset;
+  } else {
+    pTrailerLayoutItem->m_sPos.y = fSplitPos - fTopInset - fBottomInset;
+  }
+  switch (pTrailerLayoutItem->m_pFormNode->GetEnum(XFA_ATTRIBUTE_HAlign)) {
+    case XFA_ATTRIBUTEENUM_Left:
+    default:
+      pTrailerLayoutItem->m_sPos.x = fLeftInset;
+      break;
+    case XFA_ATTRIBUTEENUM_Right:
+      pTrailerLayoutItem->m_sPos.x = pProcessor->m_pLayoutItem->m_sSize.x -
+                                     fRightInset -
+                                     pTrailerLayoutItem->m_sSize.x;
+      break;
+    case XFA_ATTRIBUTEENUM_Center:
+      pTrailerLayoutItem->m_sPos.x =
+          (pProcessor->m_pLayoutItem->m_sSize.x - fLeftInset - fRightInset -
+           pTrailerLayoutItem->m_sSize.x) /
+          2;
+      break;
+  }
+  pProcessor->m_pLayoutItem->m_sSize.y += fHeight;
+  pProcessor->m_pLayoutItem->AddChild(pTrailerLayoutItem);
+}
+static void XFA_ItemLayoutProcessor_AddLeaderAfterSplit(
+    CXFA_ItemLayoutProcessor* pProcessor,
+    CXFA_ContentLayoutItem* pLeaderLayoutItem) {
+  XFA_ItemLayoutProcessor_UpdatePendedItemLayout(pProcessor, pLeaderLayoutItem);
+  CXFA_Node* pMarginNode =
+      pProcessor->m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+  FX_FLOAT fLeftInset = 0;
+  FX_FLOAT fRightInset = 0;
+  if (pMarginNode) {
+    fLeftInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset).ToUnit(XFA_UNIT_Pt);
+    fRightInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_RightInset).ToUnit(XFA_UNIT_Pt);
+  }
+  FX_FLOAT fHeight = pLeaderLayoutItem->m_sSize.y;
+  for (CXFA_ContentLayoutItem* pChildItem =
+           (CXFA_ContentLayoutItem*)pProcessor->m_pLayoutItem->m_pFirstChild;
+       pChildItem;
+       pChildItem = (CXFA_ContentLayoutItem*)pChildItem->m_pNextSibling) {
+    pChildItem->m_sPos.y += fHeight;
+  }
+  pLeaderLayoutItem->m_sPos.y = 0;
+  switch (pLeaderLayoutItem->m_pFormNode->GetEnum(XFA_ATTRIBUTE_HAlign)) {
+    case XFA_ATTRIBUTEENUM_Left:
+    default:
+      pLeaderLayoutItem->m_sPos.x = fLeftInset;
+      break;
+    case XFA_ATTRIBUTEENUM_Right:
+      pLeaderLayoutItem->m_sPos.x = pProcessor->m_pLayoutItem->m_sSize.x -
+                                    fRightInset - pLeaderLayoutItem->m_sSize.x;
+      break;
+    case XFA_ATTRIBUTEENUM_Center:
+      pLeaderLayoutItem->m_sPos.x =
+          (pProcessor->m_pLayoutItem->m_sSize.x - fLeftInset - fRightInset -
+           pLeaderLayoutItem->m_sSize.x) /
+          2;
+      break;
+  }
+  pProcessor->m_pLayoutItem->m_sSize.y += fHeight;
+  pProcessor->m_pLayoutItem->AddChild(pLeaderLayoutItem);
+}
+static void XFA_ItemLayoutProcessor_AddPendingNode(
+    CXFA_ItemLayoutProcessor* pProcessor,
+    CXFA_Node* pPendingNode,
+    FX_BOOL bBreakPending) {
+  pProcessor->m_PendingNodes.push_back(pPendingNode);
+  pProcessor->m_bBreakPending = bBreakPending;
+}
+static FX_FLOAT XFA_ItemLayoutProcessor_InsertPendingItems(
+    CXFA_ItemLayoutProcessor* pProcessor,
+    CXFA_Node* pCurChildNode) {
+  FX_FLOAT fTotalHeight = 0;
+  if (pProcessor->m_PendingNodes.empty()) {
+    return fTotalHeight;
+  }
+  if (!pProcessor->m_pLayoutItem) {
+    pProcessor->m_pLayoutItem =
+        pProcessor->CreateContentLayoutItem(pCurChildNode);
+    pProcessor->m_pLayoutItem->m_sSize.clear();
+  }
+  while (!pProcessor->m_PendingNodes.empty()) {
+    std::unique_ptr<CXFA_ItemLayoutProcessor> pPendingProcessor(
+        new CXFA_ItemLayoutProcessor(pProcessor->m_PendingNodes.front(),
+                                     nullptr));
+    pProcessor->m_PendingNodes.pop_front();
+    pPendingProcessor->DoLayout(FALSE, XFA_LAYOUT_FLOAT_MAX);
+    CXFA_ContentLayoutItem* pPendingLayoutItem =
+        pPendingProcessor->HasLayoutItem()
+            ? pPendingProcessor->ExtractLayoutItem()
+            : nullptr;
+    if (pPendingLayoutItem) {
+      XFA_ItemLayoutProcessor_AddLeaderAfterSplit(pProcessor,
+                                                  pPendingLayoutItem);
+      if (pProcessor->m_bBreakPending) {
+        fTotalHeight += pPendingLayoutItem->m_sSize.y;
+      }
+    }
+  }
+  return fTotalHeight;
+}
+FX_FLOAT CXFA_ItemLayoutProcessor::InsertKeepLayoutItems() {
+  FX_FLOAT fTotalHeight = 0;
+  if (m_arrayKeepItems.GetSize()) {
+    if (!m_pLayoutItem) {
+      m_pLayoutItem = CreateContentLayoutItem(m_pFormNode);
+      m_pLayoutItem->m_sSize.clear();
+    }
+    for (int32_t iIndex = m_arrayKeepItems.GetSize() - 1; iIndex >= 0;
+         iIndex--) {
+      XFA_ItemLayoutProcessor_AddLeaderAfterSplit(this,
+                                                  m_arrayKeepItems[iIndex]);
+      fTotalHeight += m_arrayKeepItems[iIndex]->m_sSize.y;
+    }
+    m_arrayKeepItems.RemoveAll();
+  }
+  return fTotalHeight;
+}
+FX_BOOL CXFA_ItemLayoutProcessor::ProcessKeepForSplite(
+    CXFA_ItemLayoutProcessor* pParentProcessor,
+    CXFA_ItemLayoutProcessor* pChildProcessor,
+    XFA_ItemLayoutProcessorResult eRetValue,
+    CFX_ArrayTemplate<CXFA_ContentLayoutItem*>& rgCurLineLayoutItem,
+    FX_FLOAT& fContentCurRowAvailWidth,
+    FX_FLOAT& fContentCurRowHeight,
+    FX_FLOAT& fContentCurRowY,
+    FX_BOOL& bAddedItemInRow,
+    FX_BOOL& bForceEndPage,
+    XFA_ItemLayoutProcessorResult& result) {
+  if (pParentProcessor == NULL || pChildProcessor == NULL) {
+    return FALSE;
+  }
+  if (pParentProcessor->m_pCurChildNode->GetIntact() !=
+          XFA_ATTRIBUTEENUM_None ||
+      !pChildProcessor->m_bHasAvailHeight) {
+    if (XFA_ExistContainerKeep(pParentProcessor->m_pCurChildNode, TRUE)) {
+      FX_FLOAT fChildWidth, fChildHeight;
+      pChildProcessor->GetCurrentComponentSize(fChildWidth, fChildHeight);
+      CFX_ArrayTemplate<CXFA_ContentLayoutItem*> keepLayoutItems;
+      if (pParentProcessor->JudgePutNextPage(pParentProcessor->m_pLayoutItem,
+                                             fChildHeight, keepLayoutItems)) {
+        m_arrayKeepItems.RemoveAll();
+        for (int32_t iIndex = 0; iIndex < keepLayoutItems.GetSize(); iIndex++) {
+          CXFA_ContentLayoutItem* pItem = keepLayoutItems.GetAt(iIndex);
+          pParentProcessor->m_pLayoutItem->RemoveChild(pItem);
+          fContentCurRowY -= pItem->m_sSize.y;
+          m_arrayKeepItems.Add(pItem);
+        }
+        bAddedItemInRow = TRUE;
+        bForceEndPage = TRUE;
+        result = XFA_ItemLayoutProcessorResult_PageFullBreak;
+        return TRUE;
+      }
+      rgCurLineLayoutItem.Add(pChildProcessor->ExtractLayoutItem());
+      bAddedItemInRow = TRUE;
+      fContentCurRowAvailWidth -= fChildWidth;
+      if (fContentCurRowHeight < fChildHeight) {
+        fContentCurRowHeight = fChildHeight;
+      }
+      result = eRetValue;
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+FX_BOOL CXFA_ItemLayoutProcessor::JudgePutNextPage(
+    CXFA_ContentLayoutItem* pParentLayoutItem,
+    FX_FLOAT fChildHeight,
+    CFX_ArrayTemplate<CXFA_ContentLayoutItem*>& pKeepItems) {
+  if (pParentLayoutItem == NULL) {
+    return FALSE;
+  }
+  FX_FLOAT fItemsHeight = 0;
+  for (CXFA_ContentLayoutItem* pChildLayoutItem =
+           (CXFA_ContentLayoutItem*)pParentLayoutItem->m_pFirstChild;
+       pChildLayoutItem;
+       pChildLayoutItem =
+           (CXFA_ContentLayoutItem*)pChildLayoutItem->m_pNextSibling) {
+    if (XFA_ExistContainerKeep(pChildLayoutItem->m_pFormNode, FALSE)) {
+      pKeepItems.Add(pChildLayoutItem);
+      fItemsHeight += pChildLayoutItem->m_sSize.y;
+    } else {
+      pKeepItems.RemoveAll();
+      fItemsHeight = 0;
+    }
+  }
+  fItemsHeight += fChildHeight;
+  if (m_pPageMgr->GetNextAvailContentHeight(fItemsHeight)) {
+    return TRUE;
+  }
+  return FALSE;
+}
+void CXFA_ItemLayoutProcessor::ProcessUnUseBinds(CXFA_Node* pFormNode) {
+  if (!pFormNode) {
+    return;
+  }
+  CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFANode> sIterator(
+      pFormNode);
+  for (CXFA_Node* pNode = sIterator.MoveToNext(); pNode;
+       pNode = sIterator.MoveToNext()) {
+    if (pNode->IsContainerNode()) {
+      CXFA_Node* pBindNode = pNode->GetBindData();
+      if (pBindNode) {
+        pBindNode->RemoveBindItem(pNode);
+        pNode->SetObject(XFA_ATTRIBUTE_BindingNode, NULL);
+      }
+    }
+    pNode->SetFlag(XFA_NODEFLAG_UnusedNode);
+  }
+}
+void CXFA_ItemLayoutProcessor::ProcessUnUseOverFlow(
+    CXFA_Node* pLeaderNode,
+    CXFA_Node* pTrailerNode,
+    CXFA_ContentLayoutItem* pTrailerItem,
+    CXFA_Node* pFormNode) {
+  ProcessUnUseBinds(pLeaderNode);
+  ProcessUnUseBinds(pTrailerNode);
+  if (pFormNode == NULL) {
+    return;
+  }
+  if (pFormNode->GetClassID() == XFA_ELEMENT_Overflow ||
+      pFormNode->GetClassID() == XFA_ELEMENT_Break) {
+    pFormNode = pFormNode->GetNodeItem(XFA_NODEITEM_Parent);
+  }
+  if (pLeaderNode && pFormNode) {
+    pFormNode->RemoveChild(pLeaderNode);
+  }
+  if (pTrailerNode && pFormNode) {
+    pFormNode->RemoveChild(pTrailerNode);
+  }
+  if (pTrailerItem) {
+    XFA_ReleaseLayoutItem(pTrailerItem);
+  }
+}
+static XFA_ItemLayoutProcessorResult XFA_ItemLayoutProcessor_InsertFlowedItem(
+    CXFA_ItemLayoutProcessor* pThis,
+    CXFA_ItemLayoutProcessor*& pProcessor,
+    FX_BOOL bContainerWidthAutoSize,
+    FX_BOOL bContainerHeightAutoSize,
+    FX_FLOAT fContainerHeight,
+    XFA_ATTRIBUTEENUM eFlowStrategy,
+    uint8_t& uCurHAlignState,
+    CFX_ArrayTemplate<CXFA_ContentLayoutItem*>(&rgCurLineLayoutItems)[3],
+    FX_BOOL bUseBreakControl,
+    FX_FLOAT fAvailHeight,
+    FX_FLOAT fRealHeight,
+    FX_FLOAT& fContentCurRowY,
+    FX_FLOAT& fContentWidthLimit,
+    FX_FLOAT& fContentCurRowAvailWidth,
+    FX_FLOAT& fContentCurRowHeight,
+    FX_BOOL& bAddedItemInRow,
+    FX_BOOL& bForceEndPage,
+    CXFA_LayoutContext* pLayoutContext = NULL,
+    FX_BOOL bNewRow = FALSE) {
+  FX_BOOL bTakeSpace =
+      XFA_ItemLayoutProcessor_IsTakingSpace(pProcessor->m_pFormNode);
+  uint8_t uHAlign = XFA_ItemLayoutProcessor_HAlignEnumToInt(
+      pThis->m_pCurChildNode->GetEnum(XFA_ATTRIBUTE_HAlign));
+  if (bContainerWidthAutoSize) {
+    uHAlign = 0;
+  }
+  if ((eFlowStrategy != XFA_ATTRIBUTEENUM_Rl_tb && uHAlign < uCurHAlignState) ||
+      (eFlowStrategy == XFA_ATTRIBUTEENUM_Rl_tb && uHAlign > uCurHAlignState)) {
+    return XFA_ItemLayoutProcessorResult_RowFullBreak;
+  }
+  uCurHAlignState = uHAlign;
+  FX_BOOL bIsOwnSplite =
+      pProcessor->m_pFormNode->GetIntact() == XFA_ATTRIBUTEENUM_None;
+  FX_BOOL bUseRealHeight =
+      bTakeSpace && bContainerHeightAutoSize && bIsOwnSplite &&
+      pProcessor->m_pFormNode->GetNodeItem(XFA_NODEITEM_Parent)->GetIntact() ==
+          XFA_ATTRIBUTEENUM_None;
+  FX_BOOL bIsTransHeight = bTakeSpace;
+  if (bIsTransHeight && !bIsOwnSplite) {
+    FX_BOOL bRootForceTb = FALSE;
+    XFA_ATTRIBUTEENUM eLayoutStrategy = XFA_ItemLayoutProcessor_GetLayout(
+        pProcessor->m_pFormNode, bRootForceTb);
+    if (eLayoutStrategy == XFA_ATTRIBUTEENUM_Lr_tb ||
+        eLayoutStrategy == XFA_ATTRIBUTEENUM_Rl_tb) {
+      bIsTransHeight = FALSE;
+    }
+  }
+  FX_BOOL bUseInherited = FALSE;
+  CXFA_LayoutContext layoutContext;
+  if (pThis->m_pPageMgr) {
+    CXFA_Node* pOverflowNode =
+        pThis->m_pPageMgr->QueryOverflow(pThis->m_pFormNode);
+    if (pOverflowNode) {
+      layoutContext.m_pOverflowNode = pOverflowNode;
+      layoutContext.m_pOverflowProcessor = pThis;
+      pLayoutContext = &layoutContext;
+    }
+  }
+  XFA_ItemLayoutProcessorResult eRetValue = XFA_ItemLayoutProcessorResult_Done;
+  if (!bNewRow ||
+      pProcessor->m_ePreProcessRs == XFA_ItemLayoutProcessorResult_Done) {
+    eRetValue = pProcessor->DoLayout(
+        bTakeSpace ? bUseBreakControl : FALSE,
+        bUseRealHeight ? fRealHeight - fContentCurRowY : XFA_LAYOUT_FLOAT_MAX,
+        bIsTransHeight ? fRealHeight - fContentCurRowY : XFA_LAYOUT_FLOAT_MAX,
+        pLayoutContext);
+    pProcessor->m_ePreProcessRs = eRetValue;
+  } else {
+    eRetValue = pProcessor->m_ePreProcessRs;
+    pProcessor->m_ePreProcessRs = XFA_ItemLayoutProcessorResult_Done;
+  }
+  if (pProcessor->HasLayoutItem() == FALSE) {
+    return eRetValue;
+  }
+  FX_FLOAT fChildWidth, fChildHeight;
+  pProcessor->GetCurrentComponentSize(fChildWidth, fChildHeight);
+  if (bUseRealHeight && fRealHeight < XFA_LAYOUT_FLOAT_PERCISION) {
+    fRealHeight = XFA_LAYOUT_FLOAT_MAX;
+    fAvailHeight = XFA_LAYOUT_FLOAT_MAX;
+  }
+  if (!bTakeSpace ||
+      (fChildWidth <= fContentCurRowAvailWidth + XFA_LAYOUT_FLOAT_PERCISION) ||
+      (fContentWidthLimit - fContentCurRowAvailWidth <=
+       XFA_LAYOUT_FLOAT_PERCISION)) {
+    CXFA_Node *pOverflowLeaderNode = NULL, *pOverflowTrailerNode = NULL,
+              *pFormNode = NULL;
+    CXFA_ContentLayoutItem* pTrailerLayoutItem = NULL;
+    FX_BOOL bIsAddTrailerHeight = FALSE;
+    if (pThis->m_pPageMgr &&
+        pProcessor->m_pFormNode->GetIntact() == XFA_ATTRIBUTEENUM_None) {
+      pFormNode = pThis->m_pPageMgr->QueryOverflow(pProcessor->m_pFormNode);
+      if (pFormNode == NULL && pLayoutContext &&
+          pLayoutContext->m_pOverflowProcessor) {
+        pFormNode = pLayoutContext->m_pOverflowNode;
+        bUseInherited = TRUE;
+      }
+      if (pThis->m_pPageMgr->ProcessOverflow(pFormNode, pOverflowLeaderNode,
+                                             pOverflowTrailerNode, FALSE,
+                                             FALSE)) {
+        if (pProcessor->JudgeLeaderOrTrailerForOccur(pOverflowTrailerNode)) {
+          if (pOverflowTrailerNode) {
+            CXFA_ItemLayoutProcessor* pOverflowLeaderProcessor =
+                new CXFA_ItemLayoutProcessor(pOverflowTrailerNode, NULL);
+            pOverflowLeaderProcessor->DoLayout(FALSE, XFA_LAYOUT_FLOAT_MAX);
+            pTrailerLayoutItem =
+                pOverflowLeaderProcessor->HasLayoutItem()
+                    ? pOverflowLeaderProcessor->ExtractLayoutItem()
+                    : NULL;
+            delete pOverflowLeaderProcessor;
+          }
+          if (bUseInherited) {
+            bIsAddTrailerHeight =
+                pThis->IsAddNewRowForTrailer(pTrailerLayoutItem);
+          } else {
+            bIsAddTrailerHeight =
+                pProcessor->IsAddNewRowForTrailer(pTrailerLayoutItem);
+          }
+          if (bIsAddTrailerHeight) {
+            FX_FLOAT fTrailerHeight = pTrailerLayoutItem->m_sSize.y;
+            fChildHeight += fTrailerHeight;
+            bIsAddTrailerHeight = TRUE;
+          }
+        }
+      }
+    }
+    if (!bTakeSpace ||
+        fContentCurRowY + fChildHeight <=
+            fAvailHeight + XFA_LAYOUT_FLOAT_PERCISION ||
+        (!bContainerHeightAutoSize &&
+         pThis->m_fUsedSize + fAvailHeight + XFA_LAYOUT_FLOAT_PERCISION >=
+             fContainerHeight)) {
+      if (!bTakeSpace || eRetValue == XFA_ItemLayoutProcessorResult_Done) {
+        if (pProcessor->m_bUseInheriated) {
+          if (pTrailerLayoutItem) {
+            XFA_ItemLayoutProcessor_AddTrailerBeforeSplit(
+                pProcessor, fChildHeight, pTrailerLayoutItem);
+          }
+          if (pProcessor->JudgeLeaderOrTrailerForOccur(pOverflowLeaderNode)) {
+            XFA_ItemLayoutProcessor_AddPendingNode(pProcessor,
+                                                   pOverflowLeaderNode, FALSE);
+          }
+          pProcessor->m_bUseInheriated = FALSE;
+        } else {
+          if (bIsAddTrailerHeight) {
+            fChildHeight -= pTrailerLayoutItem->m_sSize.y;
+          }
+          pProcessor->ProcessUnUseOverFlow(pOverflowLeaderNode,
+                                           pOverflowTrailerNode,
+                                           pTrailerLayoutItem, pFormNode);
+        }
+        CXFA_ContentLayoutItem* pChildLayoutItem =
+            pProcessor->ExtractLayoutItem();
+        if (XFA_ExistContainerKeep(pProcessor->m_pFormNode, FALSE) &&
+            pProcessor->m_pFormNode->GetIntact() == XFA_ATTRIBUTEENUM_None) {
+          pThis->m_arrayKeepItems.Add(pChildLayoutItem);
+        } else {
+          pThis->m_arrayKeepItems.RemoveAll();
+        }
+        rgCurLineLayoutItems[uHAlign].Add(pChildLayoutItem);
+        bAddedItemInRow = TRUE;
+        if (bTakeSpace) {
+          fContentCurRowAvailWidth -= fChildWidth;
+          if (fContentCurRowHeight < fChildHeight) {
+            fContentCurRowHeight = fChildHeight;
+          }
+        }
+        return XFA_ItemLayoutProcessorResult_Done;
+      } else {
+        if (eRetValue == XFA_ItemLayoutProcessorResult_PageFullBreak) {
+          if (pProcessor->m_bUseInheriated) {
+            if (pTrailerLayoutItem) {
+              XFA_ItemLayoutProcessor_AddTrailerBeforeSplit(
+                  pProcessor, fChildHeight, pTrailerLayoutItem);
+            }
+            if (pProcessor->JudgeLeaderOrTrailerForOccur(pOverflowLeaderNode)) {
+              XFA_ItemLayoutProcessor_AddPendingNode(
+                  pProcessor, pOverflowLeaderNode, FALSE);
+            }
+            pProcessor->m_bUseInheriated = FALSE;
+          } else {
+            if (bIsAddTrailerHeight) {
+              fChildHeight -= pTrailerLayoutItem->m_sSize.y;
+            }
+            pProcessor->ProcessUnUseOverFlow(pOverflowLeaderNode,
+                                             pOverflowTrailerNode,
+                                             pTrailerLayoutItem, pFormNode);
+          }
+        }
+        rgCurLineLayoutItems[uHAlign].Add(pProcessor->ExtractLayoutItem());
+        bAddedItemInRow = TRUE;
+        fContentCurRowAvailWidth -= fChildWidth;
+        if (fContentCurRowHeight < fChildHeight) {
+          fContentCurRowHeight = fChildHeight;
+        }
+        return eRetValue;
+      }
+    } else {
+      XFA_ItemLayoutProcessorResult eResult;
+      if (pThis->ProcessKeepForSplite(
+              pThis, pProcessor, eRetValue, rgCurLineLayoutItems[uHAlign],
+              fContentCurRowAvailWidth, fContentCurRowHeight, fContentCurRowY,
+              bAddedItemInRow, bForceEndPage, eResult)) {
+        return eResult;
+      }
+      bForceEndPage = TRUE;
+      FX_FLOAT fSplitPos =
+          pProcessor->FindSplitPos(fAvailHeight - fContentCurRowY);
+      if (fSplitPos > XFA_LAYOUT_FLOAT_PERCISION) {
+        XFA_ATTRIBUTEENUM eLayout =
+            pProcessor->m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+        if (eLayout == XFA_ATTRIBUTEENUM_Tb &&
+            eRetValue == XFA_ItemLayoutProcessorResult_Done) {
+          pProcessor->ProcessUnUseOverFlow(pOverflowLeaderNode,
+                                           pOverflowTrailerNode,
+                                           pTrailerLayoutItem, pFormNode);
+          rgCurLineLayoutItems[uHAlign].Add(pProcessor->ExtractLayoutItem());
+          bAddedItemInRow = TRUE;
+          if (bTakeSpace) {
+            fContentCurRowAvailWidth -= fChildWidth;
+            if (fContentCurRowHeight < fChildHeight) {
+              fContentCurRowHeight = fChildHeight;
+            }
+          }
+          return XFA_ItemLayoutProcessorResult_PageFullBreak;
+        }
+        CXFA_Node *pTempLeaderNode = NULL, *pTempTrailerNode = NULL;
+        if (pThis->m_pPageMgr && !pProcessor->m_bUseInheriated &&
+            eRetValue != XFA_ItemLayoutProcessorResult_PageFullBreak) {
+          pThis->m_pPageMgr->ProcessOverflow(pFormNode, pTempLeaderNode,
+                                             pTempTrailerNode, FALSE, TRUE);
+        }
+        if (pTrailerLayoutItem && bIsAddTrailerHeight) {
+          XFA_ItemLayoutProcessor_AddTrailerBeforeSplit(
+              pProcessor, fSplitPos, pTrailerLayoutItem, bUseInherited);
+        } else {
+          pProcessor->SplitLayoutItem(fSplitPos);
+        }
+        if (bUseInherited) {
+          pProcessor->ProcessUnUseOverFlow(pOverflowLeaderNode,
+                                           pOverflowTrailerNode,
+                                           pTrailerLayoutItem, pFormNode);
+          pThis->m_bUseInheriated = TRUE;
+        } else {
+          if (pProcessor->m_pLayoutItem->m_pFirstChild &&
+              pProcessor->m_pLayoutItem->m_pFirstChild->m_pNextSibling ==
+                  NULL &&
+              pProcessor->m_pLayoutItem->m_pFirstChild->m_pFormNode->HasFlag(
+                  XFA_NODEFLAG_LayoutGeneratedNode)) {
+            pProcessor->ProcessUnUseOverFlow(pOverflowLeaderNode,
+                                             pOverflowTrailerNode,
+                                             pTrailerLayoutItem, pFormNode);
+          } else {
+            if (pProcessor->JudgeLeaderOrTrailerForOccur(pOverflowLeaderNode)) {
+              XFA_ItemLayoutProcessor_AddPendingNode(
+                  pProcessor, pOverflowLeaderNode, FALSE);
+            }
+          }
+        }
+        if (pProcessor->m_pLayoutItem->m_pNextSibling) {
+          pProcessor->GetCurrentComponentSize(fChildWidth, fChildHeight);
+          rgCurLineLayoutItems[uHAlign].Add(pProcessor->ExtractLayoutItem());
+          bAddedItemInRow = TRUE;
+          if (bTakeSpace) {
+            fContentCurRowAvailWidth -= fChildWidth;
+            if (fContentCurRowHeight < fChildHeight) {
+              fContentCurRowHeight = fChildHeight;
+            }
+          }
+        }
+        return XFA_ItemLayoutProcessorResult_PageFullBreak;
+      } else if (fContentCurRowY <= XFA_LAYOUT_FLOAT_PERCISION) {
+        pProcessor->GetCurrentComponentSize(fChildWidth, fChildHeight);
+        if (pProcessor->m_pPageMgr->GetNextAvailContentHeight(fChildHeight)) {
+          CXFA_Node *pTempLeaderNode = NULL, *pTempTrailerNode = NULL;
+          if (pThis->m_pPageMgr) {
+            if (pFormNode == NULL && pLayoutContext) {
+              pFormNode = pLayoutContext->m_pOverflowProcessor->m_pFormNode;
+            }
+            pThis->m_pPageMgr->ProcessOverflow(pFormNode, pTempLeaderNode,
+                                               pTempTrailerNode, FALSE, TRUE);
+          }
+          if (bUseInherited) {
+            pProcessor->ProcessUnUseOverFlow(pOverflowLeaderNode,
+                                             pOverflowTrailerNode,
+                                             pTrailerLayoutItem, pFormNode);
+            pThis->m_bUseInheriated = TRUE;
+          }
+          return XFA_ItemLayoutProcessorResult_PageFullBreak;
+        }
+        rgCurLineLayoutItems[uHAlign].Add(pProcessor->ExtractLayoutItem());
+        bAddedItemInRow = TRUE;
+        if (bTakeSpace) {
+          fContentCurRowAvailWidth -= fChildWidth;
+          if (fContentCurRowHeight < fChildHeight) {
+            fContentCurRowHeight = fChildHeight;
+          }
+        }
+        if (eRetValue == XFA_ItemLayoutProcessorResult_Done) {
+          bForceEndPage = FALSE;
+        }
+        return eRetValue;
+      } else {
+        XFA_ATTRIBUTEENUM eLayout =
+            pProcessor->m_pFormNode->GetEnum(XFA_ATTRIBUTE_Layout);
+        if (pProcessor->m_pFormNode->GetIntact() == XFA_ATTRIBUTEENUM_None &&
+            eLayout == XFA_ATTRIBUTEENUM_Tb) {
+          if (pThis->m_pPageMgr) {
+            pThis->m_pPageMgr->ProcessOverflow(pFormNode, pOverflowLeaderNode,
+                                               pOverflowTrailerNode, FALSE,
+                                               TRUE);
+          }
+          if (pTrailerLayoutItem) {
+            XFA_ItemLayoutProcessor_AddTrailerBeforeSplit(pProcessor, fSplitPos,
+                                                          pTrailerLayoutItem);
+          }
+          if (pProcessor->JudgeLeaderOrTrailerForOccur(pOverflowLeaderNode)) {
+            XFA_ItemLayoutProcessor_AddPendingNode(pProcessor,
+                                                   pOverflowLeaderNode, FALSE);
+          }
+        } else {
+          if (eRetValue == XFA_ItemLayoutProcessorResult_Done) {
+            if (pFormNode == NULL && pLayoutContext) {
+              pFormNode = pLayoutContext->m_pOverflowProcessor->m_pFormNode;
+            }
+            if (pThis->m_pPageMgr) {
+              pThis->m_pPageMgr->ProcessOverflow(pFormNode, pOverflowLeaderNode,
+                                                 pOverflowTrailerNode, FALSE,
+                                                 TRUE);
+            }
+            if (bUseInherited) {
+              pProcessor->ProcessUnUseOverFlow(pOverflowLeaderNode,
+                                               pOverflowTrailerNode,
+                                               pTrailerLayoutItem, pFormNode);
+              pThis->m_bUseInheriated = TRUE;
+            }
+          }
+        }
+        return XFA_ItemLayoutProcessorResult_PageFullBreak;
+      }
+    }
+  } else {
+    return XFA_ItemLayoutProcessorResult_RowFullBreak;
+  }
+  return XFA_ItemLayoutProcessorResult_Done;
+}
+XFA_ItemLayoutProcessorResult CXFA_ItemLayoutProcessor::DoLayoutFlowedContainer(
+    FX_BOOL bUseBreakControl,
+    XFA_ATTRIBUTEENUM eFlowStrategy,
+    FX_FLOAT fHeightLimit,
+    FX_FLOAT fRealHeight,
+    CXFA_LayoutContext* pContext,
+    FX_BOOL bRootForceTb) {
+  m_bHasAvailHeight = TRUE;
+  FX_FLOAT fContainerWidth = 0, fContainerHeight = 0;
+  FX_BOOL bBreakDone = FALSE;
+  FX_BOOL bContainerWidthAutoSize = TRUE, bContainerHeightAutoSize = TRUE;
+  FX_BOOL bForceEndPage = FALSE;
+  FX_BOOL bIsManualBreak = FALSE;
+  if (m_pCurChildPreprocessor) {
+    m_pCurChildPreprocessor->m_ePreProcessRs =
+        XFA_ItemLayoutProcessorResult_Done;
+  }
+  XFA_ItemLayoutProcessor_CalculateContainerSpecfiedSize(
+      m_pFormNode, fContainerWidth, fContainerHeight, bContainerWidthAutoSize,
+      bContainerHeightAutoSize);
+  if (pContext && pContext->m_bCurColumnWidthAvaiable) {
+    bContainerWidthAutoSize = FALSE;
+    fContainerWidth = pContext->m_fCurColumnWidth;
+  }
+  if (!bContainerHeightAutoSize) {
+    fContainerHeight -= m_fUsedSize;
+  }
+  if (!bContainerHeightAutoSize) {
+    CXFA_Node* pParentNode = m_pFormNode->GetNodeItem(XFA_NODEITEM_Parent);
+    FX_BOOL bFocrTb = FALSE;
+    if (pParentNode &&
+        XFA_ItemLayoutProcessor_GetLayout(pParentNode, bFocrTb) ==
+            XFA_ATTRIBUTEENUM_Row) {
+      CXFA_Node* pChildContainer = m_pFormNode->GetNodeItem(
+          XFA_NODEITEM_FirstChild, XFA_OBJECTTYPE_ContainerNode);
+      if (pChildContainer &&
+          pChildContainer->GetNodeItem(XFA_NODEITEM_NextSibling,
+                                       XFA_OBJECTTYPE_ContainerNode)) {
+        fContainerHeight = 0;
+        bContainerHeightAutoSize = TRUE;
+      }
+    }
+  }
+  CXFA_Node* pMarginNode =
+      m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Margin);
+  FX_FLOAT fLeftInset = 0, fTopInset = 0, fRightInset = 0, fBottomInset = 0;
+  if (pMarginNode) {
+    fLeftInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset).ToUnit(XFA_UNIT_Pt);
+    fTopInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset).ToUnit(XFA_UNIT_Pt);
+    fRightInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_RightInset).ToUnit(XFA_UNIT_Pt);
+    fBottomInset =
+        pMarginNode->GetMeasure(XFA_ATTRIBUTE_BottomInset).ToUnit(XFA_UNIT_Pt);
+  }
+  FX_FLOAT fContentWidthLimit =
+      bContainerWidthAutoSize ? XFA_LAYOUT_FLOAT_MAX
+                              : fContainerWidth - fLeftInset - fRightInset;
+  FX_FLOAT fContentCalculatedWidth = 0, fContentCalculatedHeight = 0;
+  FX_FLOAT fAvailHeight = fHeightLimit - fTopInset - fBottomInset;
+  if (fAvailHeight < 0) {
+    m_bHasAvailHeight = FALSE;
+  }
+  fRealHeight = fRealHeight - fTopInset - fBottomInset;
+  FX_FLOAT fContentCurRowY = 0;
+  CXFA_ContentLayoutItem* pLayoutChild = NULL;
+  if (m_pLayoutItem) {
+    if (m_nCurChildNodeStage != XFA_ItemLayoutProcessorStages_Done &&
+        eFlowStrategy != XFA_ATTRIBUTEENUM_Tb) {
+      pLayoutChild = (CXFA_ContentLayoutItem*)m_pLayoutItem->m_pFirstChild;
+      for (CXFA_ContentLayoutItem* pLayoutNext = pLayoutChild; pLayoutNext;
+           pLayoutNext = (CXFA_ContentLayoutItem*)pLayoutNext->m_pNextSibling) {
+        if (pLayoutNext->m_sPos.y != pLayoutChild->m_sPos.y) {
+          pLayoutChild = pLayoutNext;
+        }
+      }
+    }
+    for (CXFA_ContentLayoutItem* pLayoutTempChild =
+             (CXFA_ContentLayoutItem*)m_pLayoutItem->m_pFirstChild;
+         pLayoutTempChild != pLayoutChild;
+         pLayoutTempChild =
+             (CXFA_ContentLayoutItem*)pLayoutTempChild->m_pNextSibling) {
+      if (XFA_ItemLayoutProcessor_IsTakingSpace(
+              pLayoutTempChild->m_pFormNode)) {
+        FX_FLOAT fChildContentWidth =
+            pLayoutTempChild->m_sPos.x + pLayoutTempChild->m_sSize.x;
+        FX_FLOAT fChildContentHeight =
+            pLayoutTempChild->m_sPos.y + pLayoutTempChild->m_sSize.y;
+        if (fContentCalculatedWidth < fChildContentWidth) {
+          fContentCalculatedWidth = fChildContentWidth;
+        }
+        if (fContentCalculatedHeight < fChildContentHeight) {
+          fContentCalculatedHeight = fChildContentHeight;
+        }
+      }
+    }
+    if (pLayoutChild) {
+      fContentCurRowY = pLayoutChild->m_sPos.y;
+    } else {
+      fContentCurRowY = fContentCalculatedHeight;
+    }
+  }
+  fContentCurRowY += InsertKeepLayoutItems();
+  if (m_nCurChildNodeStage == XFA_ItemLayoutProcessorStages_None) {
+    XFA_ItemLayoutProcessor_GotoNextContainerNode(
+        m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, TRUE);
+  }
+  fContentCurRowY +=
+      XFA_ItemLayoutProcessor_InsertPendingItems(this, m_pFormNode);
+  if (m_pCurChildPreprocessor &&
+      m_nCurChildNodeStage == XFA_ItemLayoutProcessorStages_Container) {
+    if (XFA_ExistContainerKeep(m_pCurChildPreprocessor->GetFormNode(), FALSE)) {
+      m_pKeepHeadNode = m_pCurChildNode;
+      m_bIsProcessKeep = TRUE;
+      m_nCurChildNodeStage = XFA_ItemLayoutProcessorStages_Keep;
+    }
+  }
+  while (m_nCurChildNodeStage != XFA_ItemLayoutProcessorStages_Done) {
+    FX_FLOAT fContentCurRowHeight = 0;
+    FX_FLOAT fContentCurRowAvailWidth = fContentWidthLimit;
+    m_fWidthLimite = fContentCurRowAvailWidth;
+    CFX_ArrayTemplate<CXFA_ContentLayoutItem*> rgCurLineLayoutItems[3];
+    uint8_t uCurHAlignState =
+        (eFlowStrategy != XFA_ATTRIBUTEENUM_Rl_tb ? 0 : 2);
+    if (pLayoutChild) {
+      for (CXFA_ContentLayoutItem* pLayoutNext = pLayoutChild; pLayoutNext;
+           pLayoutNext = (CXFA_ContentLayoutItem*)pLayoutNext->m_pNextSibling) {
+        if (pLayoutNext->m_pNextSibling == NULL && m_pCurChildPreprocessor &&
+            m_pCurChildPreprocessor->m_pFormNode == pLayoutNext->m_pFormNode) {
+          pLayoutNext->m_pNext = m_pCurChildPreprocessor->m_pLayoutItem;
+          m_pCurChildPreprocessor->m_pLayoutItem = pLayoutNext;
+          break;
+        }
+        uint8_t uHAlign = XFA_ItemLayoutProcessor_HAlignEnumToInt(
+            pLayoutNext->m_pFormNode->GetEnum(XFA_ATTRIBUTE_HAlign));
+        rgCurLineLayoutItems[uHAlign].Add(pLayoutNext);
+        if (eFlowStrategy == XFA_ATTRIBUTEENUM_Lr_tb) {
+          if (uHAlign > uCurHAlignState) {
+            uCurHAlignState = uHAlign;
+          }
+        } else if (uHAlign < uCurHAlignState) {
+          uCurHAlignState = uHAlign;
+        }
+        if (XFA_ItemLayoutProcessor_IsTakingSpace(pLayoutNext->m_pFormNode)) {
+          if (pLayoutNext->m_sSize.y > fContentCurRowHeight) {
+            fContentCurRowHeight = pLayoutNext->m_sSize.y;
+          }
+          fContentCurRowAvailWidth -= pLayoutNext->m_sSize.x;
+        }
+      }
+      if ((CXFA_ContentLayoutItem*)m_pLayoutItem->m_pFirstChild ==
+          pLayoutChild) {
+        m_pLayoutItem->m_pFirstChild = NULL;
+      } else {
+        CXFA_ContentLayoutItem* pLayoutNext =
+            (CXFA_ContentLayoutItem*)m_pLayoutItem->m_pFirstChild;
+        for (; pLayoutNext;
+             pLayoutNext =
+                 (CXFA_ContentLayoutItem*)pLayoutNext->m_pNextSibling) {
+          if ((CXFA_ContentLayoutItem*)pLayoutNext->m_pNextSibling ==
+              pLayoutChild) {
+            pLayoutNext->m_pNextSibling = NULL;
+            break;
+          }
+        }
+      }
+      CXFA_ContentLayoutItem* pLayoutNextTemp =
+          (CXFA_ContentLayoutItem*)pLayoutChild;
+      while (pLayoutNextTemp) {
+        pLayoutNextTemp->m_pParent = NULL;
+        CXFA_ContentLayoutItem* pSaveLayoutNext =
+            (CXFA_ContentLayoutItem*)pLayoutNextTemp->m_pNextSibling;
+        pLayoutNextTemp->m_pNextSibling = NULL;
+        pLayoutNextTemp = pSaveLayoutNext;
+      }
+      pLayoutChild = NULL;
+    }
+    while (m_pCurChildNode) {
+      CXFA_ItemLayoutProcessor* pProcessor = NULL;
+      FX_BOOL bAddedItemInRow = FALSE;
+      fContentCurRowY +=
+          XFA_ItemLayoutProcessor_InsertPendingItems(this, m_pFormNode);
+      switch (m_nCurChildNodeStage) {
+        case XFA_ItemLayoutProcessorStages_Keep:
+        case XFA_ItemLayoutProcessorStages_None:
+          break;
+        case XFA_ItemLayoutProcessorStages_BreakBefore: {
+          for (int32_t iIndex = 0; iIndex < m_arrayKeepItems.GetSize();
+               iIndex++) {
+            CXFA_ContentLayoutItem* pItem = m_arrayKeepItems.GetAt(iIndex);
+            m_pLayoutItem->RemoveChild(pItem);
+            fContentCalculatedHeight -= pItem->m_sSize.y;
+          }
+          CXFA_Node *pLeaderNode = NULL, *pTrailerNode = NULL;
+          FX_BOOL bCreatePage = FALSE;
+          if (bUseBreakControl && m_pPageMgr &&
+              m_pPageMgr->ProcessBreakBeforeOrAfter(m_pCurChildNode, TRUE,
+                                                    pLeaderNode, pTrailerNode,
+                                                    bCreatePage) &&
+              m_pFormNode->GetClassID() != XFA_ELEMENT_Form && bCreatePage) {
+            if (JudgeLeaderOrTrailerForOccur(pLeaderNode)) {
+              XFA_ItemLayoutProcessor_AddPendingNode(this, pLeaderNode, TRUE);
+            }
+            if (JudgeLeaderOrTrailerForOccur(pTrailerNode)) {
+              if (m_pFormNode->GetNodeItem(XFA_NODEITEM_Parent)->GetClassID() ==
+                      XFA_ELEMENT_Form &&
+                  m_pLayoutItem == NULL) {
+                XFA_ItemLayoutProcessor_AddPendingNode(this, pTrailerNode,
+                                                       TRUE);
+              } else {
+                CXFA_ItemLayoutProcessor* pProcessor =
+                    new CXFA_ItemLayoutProcessor(pTrailerNode, NULL);
+                XFA_ItemLayoutProcessor_InsertFlowedItem(
+                    this, pProcessor, bContainerWidthAutoSize,
+                    bContainerHeightAutoSize, fContainerHeight, eFlowStrategy,
+                    uCurHAlignState, rgCurLineLayoutItems, FALSE,
+                    XFA_LAYOUT_FLOAT_MAX, XFA_LAYOUT_FLOAT_MAX, fContentCurRowY,
+                    fContentWidthLimit, fContentCurRowAvailWidth,
+                    fContentCurRowHeight, bAddedItemInRow, bForceEndPage,
+                    pContext);
+                delete pProcessor;
+                pProcessor = NULL;
+              }
+            }
+            XFA_ItemLayoutProcessor_GotoNextContainerNode(
+                m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, TRUE);
+            bForceEndPage = TRUE;
+            bIsManualBreak = TRUE;
+            goto SuspendAndCreateNewRow;
+          }
+        } break;
+        case XFA_ItemLayoutProcessorStages_BreakAfter: {
+          CXFA_Node *pLeaderNode = NULL, *pTrailerNode = NULL;
+          FX_BOOL bCreatePage = FALSE;
+          if (bUseBreakControl && m_pPageMgr &&
+              m_pPageMgr->ProcessBreakBeforeOrAfter(m_pCurChildNode, FALSE,
+                                                    pLeaderNode, pTrailerNode,
+                                                    bCreatePage) &&
+              m_pFormNode->GetClassID() != XFA_ELEMENT_Form) {
+            if (JudgeLeaderOrTrailerForOccur(pTrailerNode)) {
+              CXFA_ItemLayoutProcessor* pProcessor =
+                  new CXFA_ItemLayoutProcessor(pTrailerNode, NULL);
+              XFA_ItemLayoutProcessor_InsertFlowedItem(
+                  this, pProcessor, bContainerWidthAutoSize,
+                  bContainerHeightAutoSize, fContainerHeight, eFlowStrategy,
+                  uCurHAlignState, rgCurLineLayoutItems, FALSE,
+                  XFA_LAYOUT_FLOAT_MAX, XFA_LAYOUT_FLOAT_MAX, fContentCurRowY,
+                  fContentWidthLimit, fContentCurRowAvailWidth,
+                  fContentCurRowHeight, bAddedItemInRow, bForceEndPage,
+                  pContext);
+              delete pProcessor;
+              pProcessor = NULL;
+            }
+            if (!bCreatePage) {
+              if (JudgeLeaderOrTrailerForOccur(pLeaderNode)) {
+                CalculateRowChildPosition(
+                    rgCurLineLayoutItems, eFlowStrategy,
+                    bContainerHeightAutoSize, bContainerWidthAutoSize,
+                    fContentCalculatedWidth, fContentCalculatedHeight,
+                    fContentCurRowY, fContentCurRowHeight, fContentWidthLimit);
+                rgCurLineLayoutItems->RemoveAll();
+                CXFA_ItemLayoutProcessor* pProcessor =
+                    new CXFA_ItemLayoutProcessor(pLeaderNode, NULL);
+                XFA_ItemLayoutProcessor_InsertFlowedItem(
+                    this, pProcessor, bContainerWidthAutoSize,
+                    bContainerHeightAutoSize, fContainerHeight, eFlowStrategy,
+                    uCurHAlignState, rgCurLineLayoutItems, FALSE,
+                    XFA_LAYOUT_FLOAT_MAX, XFA_LAYOUT_FLOAT_MAX, fContentCurRowY,
+                    fContentWidthLimit, fContentCurRowAvailWidth,
+                    fContentCurRowHeight, bAddedItemInRow, bForceEndPage,
+                    pContext);
+                delete pProcessor;
+                pProcessor = NULL;
+              }
+            } else {
+              if (JudgeLeaderOrTrailerForOccur(pLeaderNode)) {
+                XFA_ItemLayoutProcessor_AddPendingNode(this, pLeaderNode, TRUE);
+              }
+            }
+            XFA_ItemLayoutProcessor_GotoNextContainerNode(
+                m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, TRUE);
+            if (bCreatePage) {
+              bForceEndPage = TRUE;
+              bIsManualBreak = TRUE;
+              if (m_nCurChildNodeStage == XFA_ItemLayoutProcessorStages_Done) {
+                bBreakDone = TRUE;
+              }
+            }
+            goto SuspendAndCreateNewRow;
+          }
+        } break;
+        case XFA_ItemLayoutProcessorStages_BookendLeader: {
+          CXFA_Node* pLeaderNode = NULL;
+          if (m_pCurChildPreprocessor) {
+            pProcessor = m_pCurChildPreprocessor;
+            m_pCurChildPreprocessor = NULL;
+          } else if (m_pPageMgr &&
+                     m_pPageMgr->ProcessBookendLeaderOrTrailer(
+                         m_pCurChildNode, TRUE, pLeaderNode)) {
+            pProcessor = new CXFA_ItemLayoutProcessor(pLeaderNode, m_pPageMgr);
+          }
+          if (pProcessor) {
+            if (XFA_ItemLayoutProcessor_InsertFlowedItem(
+                    this, pProcessor, bContainerWidthAutoSize,
+                    bContainerHeightAutoSize, fContainerHeight, eFlowStrategy,
+                    uCurHAlignState, rgCurLineLayoutItems, bUseBreakControl,
+                    fAvailHeight, fRealHeight, fContentCurRowY,
+                    fContentWidthLimit, fContentCurRowAvailWidth,
+                    fContentCurRowHeight, bAddedItemInRow, bForceEndPage,
+                    pContext) != XFA_ItemLayoutProcessorResult_Done) {
+              goto SuspendAndCreateNewRow;
+            } else {
+              delete pProcessor;
+              pProcessor = NULL;
+            }
+          }
+        } break;
+        case XFA_ItemLayoutProcessorStages_BookendTrailer: {
+          CXFA_Node* pTrailerNode = NULL;
+          if (m_pCurChildPreprocessor) {
+            pProcessor = m_pCurChildPreprocessor;
+            m_pCurChildPreprocessor = NULL;
+          } else if (m_pPageMgr &&
+                     m_pPageMgr->ProcessBookendLeaderOrTrailer(
+                         m_pCurChildNode, FALSE, pTrailerNode)) {
+            pProcessor = new CXFA_ItemLayoutProcessor(pTrailerNode, m_pPageMgr);
+          }
+          if (pProcessor) {
+            if (XFA_ItemLayoutProcessor_InsertFlowedItem(
+                    this, pProcessor, bContainerWidthAutoSize,
+                    bContainerHeightAutoSize, fContainerHeight, eFlowStrategy,
+                    uCurHAlignState, rgCurLineLayoutItems, bUseBreakControl,
+                    fAvailHeight, fRealHeight, fContentCurRowY,
+                    fContentWidthLimit, fContentCurRowAvailWidth,
+                    fContentCurRowHeight, bAddedItemInRow, bForceEndPage,
+                    pContext) != XFA_ItemLayoutProcessorResult_Done) {
+              goto SuspendAndCreateNewRow;
+            } else {
+              delete pProcessor;
+              pProcessor = NULL;
+            }
+          }
+        } break;
+        case XFA_ItemLayoutProcessorStages_Container:
+          ASSERT(m_pCurChildNode->IsContainerNode());
+          if (m_pCurChildNode->GetClassID() == XFA_ELEMENT_Variables) {
+            break;
+          }
+          if (fContentCurRowY >= fHeightLimit + XFA_LAYOUT_FLOAT_PERCISION &&
+              XFA_ItemLayoutProcessor_IsTakingSpace(m_pCurChildNode)) {
+            bForceEndPage = TRUE;
+            goto SuspendAndCreateNewRow;
+          }
+          if (m_pCurChildNode->IsContainerNode()) {
+            FX_BOOL bNewRow = FALSE;
+            if (m_pCurChildPreprocessor) {
+              pProcessor = m_pCurChildPreprocessor;
+              m_pCurChildPreprocessor = NULL;
+              bNewRow = TRUE;
+            } else {
+              pProcessor =
+                  new CXFA_ItemLayoutProcessor(m_pCurChildNode, m_pPageMgr);
+            }
+            XFA_ItemLayoutProcessor_InsertPendingItems(pProcessor,
+                                                       m_pCurChildNode);
+            XFA_ItemLayoutProcessorResult rs =
+                XFA_ItemLayoutProcessor_InsertFlowedItem(
+                    this, pProcessor, bContainerWidthAutoSize,
+                    bContainerHeightAutoSize, fContainerHeight, eFlowStrategy,
+                    uCurHAlignState, rgCurLineLayoutItems, bUseBreakControl,
+                    fAvailHeight, fRealHeight, fContentCurRowY,
+                    fContentWidthLimit, fContentCurRowAvailWidth,
+                    fContentCurRowHeight, bAddedItemInRow, bForceEndPage,
+                    pContext, bNewRow);
+            switch (rs) {
+              case XFA_ItemLayoutProcessorResult_ManualBreak:
+                bIsManualBreak = TRUE;
+              case XFA_ItemLayoutProcessorResult_PageFullBreak:
+                bForceEndPage = TRUE;
+              case XFA_ItemLayoutProcessorResult_RowFullBreak:
+                goto SuspendAndCreateNewRow;
+              case XFA_ItemLayoutProcessorResult_Done:
+              default:
+                fContentCurRowY += XFA_ItemLayoutProcessor_InsertPendingItems(
+                    pProcessor, m_pCurChildNode);
+                delete pProcessor;
+                pProcessor = NULL;
+            }
+          }
+          break;
+        case XFA_ItemLayoutProcessorStages_Done:
+          break;
+        default:
+          break;
+      }
+      XFA_ItemLayoutProcessor_GotoNextContainerNode(
+          m_pCurChildNode, m_nCurChildNodeStage, m_pFormNode, TRUE);
+      if (bAddedItemInRow && eFlowStrategy == XFA_ATTRIBUTEENUM_Tb) {
+        break;
+      } else {
+        continue;
+      }
+    SuspendAndCreateNewRow:
+      if (pProcessor) {
+        m_pCurChildPreprocessor = pProcessor;
+      }
+      break;
+    }
+    CalculateRowChildPosition(rgCurLineLayoutItems, eFlowStrategy,
+                              bContainerHeightAutoSize, bContainerWidthAutoSize,
+                              fContentCalculatedWidth, fContentCalculatedHeight,
+                              fContentCurRowY, fContentCurRowHeight,
+                              fContentWidthLimit, bRootForceTb);
+    m_fWidthLimite = fContentCurRowAvailWidth;
+    if (bForceEndPage) {
+      break;
+    }
+  }
+  FX_BOOL bRetValue =
+      m_nCurChildNodeStage == XFA_ItemLayoutProcessorStages_Done &&
+      m_PendingNodes.empty();
+  if (bBreakDone) {
+    bRetValue = FALSE;
+  }
+  XFA_ItemLayoutProcessor_CalculateContainerComponentSizeFromContentSize(
+      m_pFormNode, bContainerWidthAutoSize, fContentCalculatedWidth,
+      fContainerWidth, bContainerHeightAutoSize, fContentCalculatedHeight,
+      fContainerHeight);
+  if (fContainerHeight >= XFA_LAYOUT_FLOAT_PERCISION || m_pLayoutItem ||
+      bRetValue) {
+    if (m_pLayoutItem == NULL) {
+      m_pLayoutItem = CreateContentLayoutItem(m_pFormNode);
+    }
+    if (fContainerHeight < 0) {
+      fContainerHeight = 0;
+    }
+    SetCurrentComponentSize(fContainerWidth, fContainerHeight);
+    if (bForceEndPage) {
+      m_fUsedSize = 0;
+    } else {
+      m_fUsedSize += m_pLayoutItem->m_sSize.y;
+    }
+  }
+  return bRetValue
+             ? XFA_ItemLayoutProcessorResult_Done
+             : (bIsManualBreak ? XFA_ItemLayoutProcessorResult_ManualBreak
+                               : XFA_ItemLayoutProcessorResult_PageFullBreak);
+}
+FX_BOOL CXFA_ItemLayoutProcessor::CalculateRowChildPosition(
+    CFX_ArrayTemplate<CXFA_ContentLayoutItem*>(&rgCurLineLayoutItems)[3],
+    XFA_ATTRIBUTEENUM eFlowStrategy,
+    FX_BOOL bContainerHeightAutoSize,
+    FX_BOOL bContainerWidthAutoSize,
+    FX_FLOAT& fContentCalculatedWidth,
+    FX_FLOAT& fContentCalculatedHeight,
+    FX_FLOAT& fContentCurRowY,
+    FX_FLOAT fContentCurRowHeight,
+    FX_FLOAT fContentWidthLimit,
+    FX_BOOL bRootForceTb) {
+  int32_t nGroupLengths[3] = {0, 0, 0};
+  FX_FLOAT fGroupWidths[3] = {0, 0, 0};
+  int32_t nTotalLength = 0;
+  for (int32_t i = 0; i < 3; i++) {
+    nGroupLengths[i] = rgCurLineLayoutItems[i].GetSize();
+    for (int32_t c = nGroupLengths[i], j = 0; j < c; j++) {
+      nTotalLength++;
+      if (XFA_ItemLayoutProcessor_IsTakingSpace(
+              rgCurLineLayoutItems[i][j]->m_pFormNode)) {
+        fGroupWidths[i] += rgCurLineLayoutItems[i][j]->m_sSize.x;
+      }
+    }
+  }
+  if (!nTotalLength) {
+    if (bContainerHeightAutoSize) {
+      FX_FLOAT fNewHeight = fContentCurRowY;
+      if (fContentCalculatedHeight > fNewHeight) {
+        fContentCalculatedHeight = fNewHeight;
+      }
+    }
+    return FALSE;
+  }
+  if (m_pLayoutItem == NULL) {
+    m_pLayoutItem = CreateContentLayoutItem(m_pFormNode);
+  }
+  if (eFlowStrategy != XFA_ATTRIBUTEENUM_Rl_tb) {
+    FX_FLOAT fCurPos;
+    fCurPos = 0;
+    for (int32_t c = nGroupLengths[0], j = 0; j < c; j++) {
+      if (bRootForceTb) {
+        FX_FLOAT fAbsoluteX, fAbsoluteY;
+        CalculatePositionedContainerPos(rgCurLineLayoutItems[0][j]->m_pFormNode,
+                                        rgCurLineLayoutItems[0][j]->m_sSize.x,
+                                        rgCurLineLayoutItems[0][j]->m_sSize.y,
+                                        fAbsoluteX, fAbsoluteY);
+        rgCurLineLayoutItems[0][j]->m_sPos = CFX_PointF(fAbsoluteX, fAbsoluteY);
+      } else {
+        rgCurLineLayoutItems[0][j]->m_sPos =
+            CFX_PointF(fCurPos, fContentCurRowY);
+        if (XFA_ItemLayoutProcessor_IsTakingSpace(
+                rgCurLineLayoutItems[0][j]->m_pFormNode)) {
+          fCurPos += rgCurLineLayoutItems[0][j]->m_sSize.x;
+        }
+      }
+      m_pLayoutItem->AddChild(rgCurLineLayoutItems[0][j]);
+      m_fLastRowWidth = fCurPos;
+    }
+    fCurPos = (fContentWidthLimit + fGroupWidths[0] - fGroupWidths[1] -
+               fGroupWidths[2]) /
+              2;
+    for (int32_t c = nGroupLengths[1], j = 0; j < c; j++) {
+      if (bRootForceTb) {
+        FX_FLOAT fAbsoluteX, fAbsoluteY;
+        CalculatePositionedContainerPos(rgCurLineLayoutItems[1][j]->m_pFormNode,
+                                        rgCurLineLayoutItems[1][j]->m_sSize.x,
+                                        rgCurLineLayoutItems[1][j]->m_sSize.y,
+                                        fAbsoluteX, fAbsoluteY);
+        rgCurLineLayoutItems[1][j]->m_sPos = CFX_PointF(fAbsoluteX, fAbsoluteY);
+      } else {
+        rgCurLineLayoutItems[1][j]->m_sPos =
+            CFX_PointF(fCurPos, fContentCurRowY);
+        if (XFA_ItemLayoutProcessor_IsTakingSpace(
+                rgCurLineLayoutItems[1][j]->m_pFormNode)) {
+          fCurPos += rgCurLineLayoutItems[1][j]->m_sSize.x;
+        }
+      }
+      m_pLayoutItem->AddChild(rgCurLineLayoutItems[1][j]);
+      m_fLastRowWidth = fCurPos;
+    }
+    fCurPos = fContentWidthLimit - fGroupWidths[2];
+    for (int32_t c = nGroupLengths[2], j = 0; j < c; j++) {
+      if (bRootForceTb) {
+        FX_FLOAT fAbsoluteX, fAbsoluteY;
+        CalculatePositionedContainerPos(rgCurLineLayoutItems[2][j]->m_pFormNode,
+                                        rgCurLineLayoutItems[2][j]->m_sSize.x,
+                                        rgCurLineLayoutItems[2][j]->m_sSize.y,
+                                        fAbsoluteX, fAbsoluteY);
+        rgCurLineLayoutItems[2][j]->m_sPos = CFX_PointF(fAbsoluteX, fAbsoluteY);
+      } else {
+        rgCurLineLayoutItems[2][j]->m_sPos =
+            CFX_PointF(fCurPos, fContentCurRowY);
+        if (XFA_ItemLayoutProcessor_IsTakingSpace(
+                rgCurLineLayoutItems[2][j]->m_pFormNode)) {
+          fCurPos += rgCurLineLayoutItems[2][j]->m_sSize.x;
+        }
+      }
+      m_pLayoutItem->AddChild(rgCurLineLayoutItems[2][j]);
+      m_fLastRowWidth = fCurPos;
+    }
+  } else {
+    FX_FLOAT fCurPos;
+    fCurPos = fGroupWidths[0];
+    for (int32_t c = nGroupLengths[0], j = 0; j < c; j++) {
+      if (XFA_ItemLayoutProcessor_IsTakingSpace(
+              rgCurLineLayoutItems[0][j]->m_pFormNode)) {
+        fCurPos -= rgCurLineLayoutItems[0][j]->m_sSize.x;
+      }
+      rgCurLineLayoutItems[0][j]->m_sPos = CFX_PointF(fCurPos, fContentCurRowY);
+      m_pLayoutItem->AddChild(rgCurLineLayoutItems[0][j]);
+      m_fLastRowWidth = fCurPos;
+    }
+    fCurPos = (fContentWidthLimit + fGroupWidths[0] + fGroupWidths[1] -
+               fGroupWidths[2]) /
+              2;
+    for (int32_t c = nGroupLengths[1], j = 0; j < c; j++) {
+      if (XFA_ItemLayoutProcessor_IsTakingSpace(
+              rgCurLineLayoutItems[1][j]->m_pFormNode)) {
+        fCurPos -= rgCurLineLayoutItems[1][j]->m_sSize.x;
+      }
+      rgCurLineLayoutItems[1][j]->m_sPos = CFX_PointF(fCurPos, fContentCurRowY);
+      m_pLayoutItem->AddChild(rgCurLineLayoutItems[1][j]);
+      m_fLastRowWidth = fCurPos;
+    }
+    fCurPos = fContentWidthLimit;
+    for (int32_t c = nGroupLengths[2], j = 0; j < c; j++) {
+      if (XFA_ItemLayoutProcessor_IsTakingSpace(
+              rgCurLineLayoutItems[2][j]->m_pFormNode)) {
+        fCurPos -= rgCurLineLayoutItems[2][j]->m_sSize.x;
+      }
+      rgCurLineLayoutItems[2][j]->m_sPos = CFX_PointF(fCurPos, fContentCurRowY);
+      m_pLayoutItem->AddChild(rgCurLineLayoutItems[2][j]);
+      m_fLastRowWidth = fCurPos;
+    }
+  }
+  m_fLastRowY = fContentCurRowY;
+  fContentCurRowY += fContentCurRowHeight;
+  if (bContainerWidthAutoSize) {
+    FX_FLOAT fChildSuppliedWidth = fGroupWidths[0];
+    if (fContentWidthLimit < XFA_LAYOUT_FLOAT_MAX &&
+        fContentWidthLimit > fChildSuppliedWidth) {
+      fChildSuppliedWidth = fContentWidthLimit;
+    }
+    if (fContentCalculatedWidth < fChildSuppliedWidth) {
+      fContentCalculatedWidth = fChildSuppliedWidth;
+    }
+  }
+  if (bContainerHeightAutoSize) {
+    FX_FLOAT fChildSuppliedHeight = fContentCurRowY;
+    if (fContentCalculatedHeight < fChildSuppliedHeight) {
+      fContentCalculatedHeight = fChildSuppliedHeight;
+    }
+  }
+  return TRUE;
+}
+CXFA_Node* CXFA_ItemLayoutProcessor::GetSubformSetParent(
+    CXFA_Node* pSubformSet) {
+  if (pSubformSet && pSubformSet->GetClassID() == XFA_ELEMENT_SubformSet) {
+    CXFA_Node* pParent = pSubformSet->GetNodeItem(XFA_NODEITEM_Parent);
+    while (pParent) {
+      if (pParent->GetClassID() != XFA_ELEMENT_SubformSet) {
+        return pParent;
+      }
+      pParent = pParent->GetNodeItem(XFA_NODEITEM_Parent);
+    }
+  }
+  return pSubformSet;
+}
+void CXFA_ItemLayoutProcessor::DoLayoutField() {
+  if (m_pLayoutItem)
+    return;
+
+  ASSERT(m_pCurChildNode == XFA_LAYOUT_INVALIDNODE);
+  m_pLayoutItem = CreateContentLayoutItem(m_pFormNode);
+  if (!m_pLayoutItem) {
+    return;
+  }
+  CXFA_Document* pDocument = m_pFormNode->GetDocument();
+  IXFA_Notify* pNotify = pDocument->GetParser()->GetNotify();
+  FX_FLOAT fHeight = -1;
+  FX_FLOAT fWidth = -1;
+  pNotify->StartFieldDrawLayout(m_pFormNode, fWidth, fHeight);
+  int32_t nRotate =
+      FXSYS_round(m_pFormNode->GetMeasure(XFA_ATTRIBUTE_Rotate).GetValue());
+  nRotate = XFA_MapRotation(nRotate);
+  if (nRotate == 90 || nRotate == 270) {
+    FX_FLOAT fTmp = fWidth;
+    fWidth = fHeight;
+    fHeight = fTmp;
+  }
+  SetCurrentComponentSize(fWidth, fHeight);
+}
+XFA_ItemLayoutProcessorResult CXFA_ItemLayoutProcessor::DoLayout(
+    FX_BOOL bUseBreakControl,
+    FX_FLOAT fHeightLimit,
+    FX_FLOAT fRealHeight,
+    CXFA_LayoutContext* pContext) {
+  XFA_ELEMENT eClassID = m_pFormNode->GetClassID();
+  switch (eClassID) {
+    case XFA_ELEMENT_Subform:
+    case XFA_ELEMENT_Area:
+    case XFA_ELEMENT_ExclGroup:
+    case XFA_ELEMENT_SubformSet: {
+      FX_BOOL bRootForceTb = FALSE;
+      CXFA_Node* pLayoutNode = GetSubformSetParent(m_pFormNode);
+      XFA_ATTRIBUTEENUM eLayoutStrategy =
+          XFA_ItemLayoutProcessor_GetLayout(pLayoutNode, bRootForceTb);
+      switch (eLayoutStrategy) {
+        case XFA_ATTRIBUTEENUM_Tb:
+        case XFA_ATTRIBUTEENUM_Lr_tb:
+        case XFA_ATTRIBUTEENUM_Rl_tb:
+          return DoLayoutFlowedContainer(bUseBreakControl, eLayoutStrategy,
+                                         fHeightLimit, fRealHeight, pContext,
+                                         bRootForceTb);
+        case XFA_ATTRIBUTEENUM_Position:
+        case XFA_ATTRIBUTEENUM_Row:
+        case XFA_ATTRIBUTEENUM_Rl_row:
+        default:
+          DoLayoutPositionedContainer(pContext);
+          m_nCurChildNodeStage = XFA_ItemLayoutProcessorStages_Done;
+          return XFA_ItemLayoutProcessorResult_Done;
+        case XFA_ATTRIBUTEENUM_Table:
+          DoLayoutTableContainer(pLayoutNode);
+          m_nCurChildNodeStage = XFA_ItemLayoutProcessorStages_Done;
+          return XFA_ItemLayoutProcessorResult_Done;
+      }
+    }
+    case XFA_ELEMENT_Draw:
+    case XFA_ELEMENT_Field:
+      DoLayoutField();
+      m_nCurChildNodeStage = XFA_ItemLayoutProcessorStages_Done;
+      return XFA_ItemLayoutProcessorResult_Done;
+    case XFA_ELEMENT_ContentArea:
+      return XFA_ItemLayoutProcessorResult_Done;
+    default:
+      return XFA_ItemLayoutProcessorResult_Done;
+  }
+}
+void CXFA_ItemLayoutProcessor::GetCurrentComponentPos(FX_FLOAT& fAbsoluteX,
+                                                      FX_FLOAT& fAbsoluteY) {
+  ASSERT(m_pLayoutItem);
+  fAbsoluteX = m_pLayoutItem->m_sPos.x;
+  fAbsoluteY = m_pLayoutItem->m_sPos.y;
+}
+void CXFA_ItemLayoutProcessor::GetCurrentComponentSize(FX_FLOAT& fWidth,
+                                                       FX_FLOAT& fHeight) {
+  ASSERT(m_pLayoutItem);
+  fWidth = m_pLayoutItem->m_sSize.x;
+  fHeight = m_pLayoutItem->m_sSize.y;
+}
+void CXFA_ItemLayoutProcessor::SetCurrentComponentPos(FX_FLOAT fAbsoluteX,
+                                                      FX_FLOAT fAbsoluteY) {
+  m_pLayoutItem->m_sPos = CFX_PointF(fAbsoluteX, fAbsoluteY);
+}
+void CXFA_ItemLayoutProcessor::SetCurrentComponentSize(FX_FLOAT fWidth,
+                                                       FX_FLOAT fHeight) {
+  m_pLayoutItem->m_sSize = CFX_SizeF(fWidth, fHeight);
+}
+FX_BOOL CXFA_ItemLayoutProcessor::JudgeLeaderOrTrailerForOccur(
+    CXFA_Node* pFormNode) {
+  if (pFormNode == NULL) {
+    return FALSE;
+  }
+  CXFA_Node* pTemplate = pFormNode->GetTemplateNode();
+  if (!pTemplate) {
+    pTemplate = pFormNode;
+  }
+  CXFA_Occur NodeOccur(pTemplate->GetFirstChildByClass(XFA_ELEMENT_Occur));
+  int32_t iMax = NodeOccur.GetMax();
+  if (iMax > -1) {
+    int32_t iCount =
+        (int32_t)(uintptr_t)m_PendingNodesCount.GetValueAt(pTemplate);
+    if (iCount >= iMax) {
+      return FALSE;
+    }
+    iCount++;
+    m_PendingNodesCount.SetAt(pTemplate, (void*)(uintptr_t)(iCount));
+    return TRUE;
+  }
+  return TRUE;
+}