diff --git a/xfa/fde/xml/cfx_saxreader.cpp b/xfa/fde/xml/cfx_saxreader.cpp
index dfef595..50f6573 100644
--- a/xfa/fde/xml/cfx_saxreader.cpp
+++ b/xfa/fde/xml/cfx_saxreader.cpp
@@ -11,7 +11,7 @@
 
 #include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
-#include "xfa/fxfa/xfa_checksum.h"
+#include "xfa/fxfa/cxfa_saxreaderhandler.h"
 
 enum class CFX_SaxMode {
   Text = 0,
diff --git a/xfa/fgas/font/cfgas_gefont.cpp b/xfa/fgas/font/cfgas_gefont.cpp
index 769ce36..7abc3bc 100644
--- a/xfa/fgas/font/cfgas_gefont.cpp
+++ b/xfa/fgas/font/cfgas_gefont.cpp
@@ -15,7 +15,7 @@
 #include "third_party/base/ptr_util.h"
 #include "xfa/fgas/crt/fgas_codepage.h"
 #include "xfa/fgas/font/fgas_fontutils.h"
-#include "xfa/fxfa/xfa_fontmgr.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
 
 // static
 CFX_RetainPtr<CFGAS_GEFont> CFGAS_GEFont::LoadFont(const wchar_t* pszFontFamily,
diff --git a/xfa/fwl/cfwl_edit.cpp b/xfa/fwl/cfwl_edit.cpp
index 58f8aff..4af2eb0 100644
--- a/xfa/fwl/cfwl_edit.cpp
+++ b/xfa/fwl/cfwl_edit.cpp
@@ -30,8 +30,8 @@
 #include "xfa/fwl/cfwl_themepart.h"
 #include "xfa/fwl/cfwl_widgetmgr.h"
 #include "xfa/fwl/ifwl_themeprovider.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_path.h"
 
 namespace {
diff --git a/xfa/fwl/cfwl_timer.cpp b/xfa/fwl/cfwl_timer.cpp
index c7214a4..0cd3b2b 100644
--- a/xfa/fwl/cfwl_timer.cpp
+++ b/xfa/fwl/cfwl_timer.cpp
@@ -10,7 +10,7 @@
 #include "xfa/fwl/cfwl_timerinfo.h"
 #include "xfa/fwl/cfwl_widget.h"
 #include "xfa/fwl/ifwl_adaptertimermgr.h"
-#include "xfa/fxfa/xfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
 
 CFWL_TimerInfo* CFWL_Timer::StartTimer(uint32_t dwElapse, bool bImmediately) {
   const CFWL_App* pApp = m_pWidget->GetOwnerApp();
diff --git a/xfa/fwl/cfwl_widget.cpp b/xfa/fwl/cfwl_widget.cpp
index f3ca6c0..f168ad1 100644
--- a/xfa/fwl/cfwl_widget.cpp
+++ b/xfa/fwl/cfwl_widget.cpp
@@ -28,7 +28,7 @@
 #include "xfa/fwl/cfwl_themetext.h"
 #include "xfa/fwl/cfwl_widgetmgr.h"
 #include "xfa/fwl/ifwl_themeprovider.h"
-#include "xfa/fxfa/xfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
 
 #define FWL_STYLEEXT_MNU_Vert (1L << 0)
 #define FWL_WGT_CalcHeight 2048
diff --git a/xfa/fwl/cfwl_widgetmgr.cpp b/xfa/fwl/cfwl_widgetmgr.cpp
index d87556e..5529967 100644
--- a/xfa/fwl/cfwl_widgetmgr.cpp
+++ b/xfa/fwl/cfwl_widgetmgr.cpp
@@ -13,7 +13,7 @@
 #include "xfa/fwl/cfwl_form.h"
 #include "xfa/fwl/cfwl_notedriver.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/xfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
 
 namespace {
 
diff --git a/xfa/fwl/theme/cfwl_edittp.cpp b/xfa/fwl/theme/cfwl_edittp.cpp
index ebc23bf..138a99e 100644
--- a/xfa/fwl/theme/cfwl_edittp.cpp
+++ b/xfa/fwl/theme/cfwl_edittp.cpp
@@ -10,7 +10,7 @@
 #include "xfa/fwl/cfwl_themebackground.h"
 #include "xfa/fwl/cfwl_widget.h"
 #include "xfa/fxfa/app/xfa_fwltheme.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_color.h"
 #include "xfa/fxgraphics/cfx_path.h"
 
diff --git a/xfa/fxfa/DEPS b/xfa/fxfa/DEPS
index 93a9acb..97e9f52 100644
--- a/xfa/fxfa/DEPS
+++ b/xfa/fxfa/DEPS
@@ -1,5 +1,8 @@
 include_rules = [
   '+core/fdrm/crypto',
+  '+core/fpdfapi/font',
+  '+core/fpdfapi/page',
+  '+core/fpdfdoc',
   '+core/fxcodec',
   '+fxjs',
 ]
diff --git a/xfa/fxfa/app/DEPS b/xfa/fxfa/app/DEPS
index 5c72d1d..f722184 100644
--- a/xfa/fxfa/app/DEPS
+++ b/xfa/fxfa/app/DEPS
@@ -1,6 +1,3 @@
 include_rules = [
   '+core/fdrm/crypto',
-  '+core/fpdfapi/font',
-  '+core/fpdfapi/page',
-  '+core/fpdfdoc',
 ]
diff --git a/xfa/fxfa/app/cxfa_textparser.cpp b/xfa/fxfa/app/cxfa_textparser.cpp
index 5463480..65155f9 100644
--- a/xfa/fxfa/app/cxfa_textparser.cpp
+++ b/xfa/fxfa/app/cxfa_textparser.cpp
@@ -21,10 +21,10 @@
 #include "xfa/fxfa/app/cxfa_textparsecontext.h"
 #include "xfa/fxfa/app/cxfa_texttabstopscontext.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
 #include "xfa/fxfa/parser/cxfa_measurement.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_fontmgr.h"
 
 namespace {
 
diff --git a/xfa/fxfa/app/xfa_checksum.cpp b/xfa/fxfa/app/xfa_checksum.cpp
deleted file mode 100644
index a06fed8..0000000
--- a/xfa/fxfa/app/xfa_checksum.cpp
+++ /dev/null
@@ -1,269 +0,0 @@
-// 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/xfa_checksum.h"
-
-#include "core/fdrm/crypto/fx_crypt.h"
-#include "third_party/base/ptr_util.h"
-
-namespace {
-
-struct FX_BASE64DATA {
-  uint32_t data1 : 2;
-  uint32_t data2 : 6;
-  uint32_t data3 : 4;
-  uint32_t data4 : 4;
-  uint32_t data5 : 6;
-  uint32_t data6 : 2;
-  uint32_t data7 : 8;
-};
-
-const char g_FXBase64EncoderMap[64] = {
-    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
-    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
-    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
-    'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
-    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/',
-};
-
-void Base64EncodePiece(const FX_BASE64DATA& src, int32_t iBytes, char dst[4]) {
-  dst[0] = g_FXBase64EncoderMap[src.data2];
-  uint32_t b = src.data1 << 4;
-  if (iBytes > 1) {
-    b |= src.data4;
-  }
-  dst[1] = g_FXBase64EncoderMap[b];
-  if (iBytes > 1) {
-    b = src.data3 << 2;
-    if (iBytes > 2) {
-      b |= src.data6;
-    }
-    dst[2] = g_FXBase64EncoderMap[b];
-    if (iBytes > 2) {
-      dst[3] = g_FXBase64EncoderMap[src.data5];
-    } else {
-      dst[3] = '=';
-    }
-  } else {
-    dst[2] = dst[3] = '=';
-  }
-}
-
-int32_t Base64EncodeA(const uint8_t* pSrc, int32_t iSrcLen, char* pDst) {
-  ASSERT(pSrc);
-  if (iSrcLen < 1) {
-    return 0;
-  }
-  if (!pDst) {
-    int32_t iDstLen = iSrcLen / 3 * 4;
-    if ((iSrcLen % 3) != 0) {
-      iDstLen += 4;
-    }
-    return iDstLen;
-  }
-  FX_BASE64DATA srcData;
-  int32_t iBytes = 3;
-  char* pDstEnd = pDst;
-  while (iSrcLen > 0) {
-    if (iSrcLen > 2) {
-      ((uint8_t*)&srcData)[0] = *pSrc++;
-      ((uint8_t*)&srcData)[1] = *pSrc++;
-      ((uint8_t*)&srcData)[2] = *pSrc++;
-      iSrcLen -= 3;
-    } else {
-      *((uint32_t*)&srcData) = 0;
-      ((uint8_t*)&srcData)[0] = *pSrc++;
-      if (iSrcLen > 1) {
-        ((uint8_t*)&srcData)[1] = *pSrc++;
-      }
-      iBytes = iSrcLen;
-      iSrcLen = 0;
-    }
-    Base64EncodePiece(srcData, iBytes, pDstEnd);
-    pDstEnd += 4;
-  }
-  return pDstEnd - pDst;
-}
-
-}  // namespace
-
-CXFA_SAXReaderHandler::CXFA_SAXReaderHandler(CXFA_ChecksumContext* pContext)
-    : m_pContext(pContext) {
-  ASSERT(m_pContext);
-}
-CXFA_SAXReaderHandler::~CXFA_SAXReaderHandler() {}
-CXFA_SAXContext* CXFA_SAXReaderHandler::OnTagEnter(
-    const CFX_ByteStringC& bsTagName,
-    CFX_SAXItem::Type eType,
-    uint32_t dwStartPos) {
-  UpdateChecksum(true);
-  if (eType != CFX_SAXItem::Type::Tag &&
-      eType != CFX_SAXItem::Type::Instruction) {
-    return nullptr;
-  }
-  m_SAXContext.m_eNode = eType;
-  CFX_ByteTextBuf& textBuf = m_SAXContext.m_TextBuf;
-  textBuf << "<";
-  if (eType == CFX_SAXItem::Type::Instruction) {
-    textBuf << "?";
-  }
-  textBuf << bsTagName;
-  m_SAXContext.m_bsTagName = bsTagName;
-  return &m_SAXContext;
-}
-
-void CXFA_SAXReaderHandler::OnTagAttribute(CXFA_SAXContext* pTag,
-                                           const CFX_ByteStringC& bsAttri,
-                                           const CFX_ByteStringC& bsValue) {
-  if (!pTag)
-    return;
-
-  pTag->m_TextBuf << " " << bsAttri << "=\"" << bsValue << "\"";
-}
-
-void CXFA_SAXReaderHandler::OnTagBreak(CXFA_SAXContext* pTag) {
-  if (!pTag)
-    return;
-
-  pTag->m_TextBuf << ">";
-  UpdateChecksum(false);
-}
-
-void CXFA_SAXReaderHandler::OnTagData(CXFA_SAXContext* pTag,
-                                      CFX_SAXItem::Type eType,
-                                      const CFX_ByteStringC& bsData,
-                                      uint32_t dwStartPos) {
-  if (!pTag)
-    return;
-
-  CFX_ByteTextBuf& textBuf = pTag->m_TextBuf;
-  if (eType == CFX_SAXItem::Type::CharData)
-    textBuf << "<![CDATA[";
-
-  textBuf << bsData;
-  if (eType == CFX_SAXItem::Type::CharData)
-    textBuf << "]]>";
-}
-
-void CXFA_SAXReaderHandler::OnTagClose(CXFA_SAXContext* pTag,
-                                       uint32_t dwEndPos) {
-  if (!pTag)
-    return;
-
-  CFX_ByteTextBuf& textBuf = pTag->m_TextBuf;
-  if (pTag->m_eNode == CFX_SAXItem::Type::Instruction)
-    textBuf << "?>";
-  else if (pTag->m_eNode == CFX_SAXItem::Type::Tag)
-    textBuf << "></" << pTag->m_bsTagName.AsStringC() << ">";
-
-  UpdateChecksum(false);
-}
-
-void CXFA_SAXReaderHandler::OnTagEnd(CXFA_SAXContext* pTag,
-                                     const CFX_ByteStringC& bsTagName,
-                                     uint32_t dwEndPos) {
-  if (!pTag)
-    return;
-
-  pTag->m_TextBuf << "</" << bsTagName << ">";
-  UpdateChecksum(false);
-}
-
-void CXFA_SAXReaderHandler::OnTargetData(CXFA_SAXContext* pTag,
-                                         CFX_SAXItem::Type eType,
-                                         const CFX_ByteStringC& bsData,
-                                         uint32_t dwStartPos) {
-  if (!pTag && eType != CFX_SAXItem::Type::Comment)
-    return;
-
-  if (eType == CFX_SAXItem::Type::Comment) {
-    m_SAXContext.m_TextBuf << "<!--" << bsData << "-->";
-    UpdateChecksum(false);
-  } else {
-    pTag->m_TextBuf << " " << bsData;
-  }
-}
-
-void CXFA_SAXReaderHandler::UpdateChecksum(bool bCheckSpace) {
-  int32_t iLength = m_SAXContext.m_TextBuf.GetLength();
-  if (iLength < 1) {
-    return;
-  }
-  uint8_t* pBuffer = m_SAXContext.m_TextBuf.GetBuffer();
-  bool bUpdata = true;
-  if (bCheckSpace) {
-    bUpdata = false;
-    for (int32_t i = 0; i < iLength; i++) {
-      bUpdata = (pBuffer[i] > 0x20);
-      if (bUpdata) {
-        break;
-      }
-    }
-  }
-  if (bUpdata) {
-    m_pContext->Update(CFX_ByteStringC(pBuffer, iLength));
-  }
-  m_SAXContext.m_TextBuf.Clear();
-}
-
-CXFA_ChecksumContext::CXFA_ChecksumContext() {}
-
-CXFA_ChecksumContext::~CXFA_ChecksumContext() {}
-
-void CXFA_ChecksumContext::StartChecksum() {
-  FinishChecksum();
-  m_pByteContext = pdfium::MakeUnique<CRYPT_sha1_context>();
-  CRYPT_SHA1Start(m_pByteContext.get());
-  m_bsChecksum.clear();
-  m_pSAXReader = pdfium::MakeUnique<CFX_SAXReader>();
-}
-
-bool CXFA_ChecksumContext::UpdateChecksum(
-    const CFX_RetainPtr<IFX_SeekableReadStream>& pSrcFile,
-    FX_FILESIZE offset,
-    size_t size) {
-  if (!m_pSAXReader || !pSrcFile)
-    return false;
-
-  if (size < 1)
-    size = pSrcFile->GetSize();
-
-  CXFA_SAXReaderHandler handler(this);
-  m_pSAXReader->SetHandler(&handler);
-  if (m_pSAXReader->StartParse(
-          pSrcFile, (uint32_t)offset, (uint32_t)size,
-          CFX_SaxParseMode_NotSkipSpace | CFX_SaxParseMode_NotConvert_amp |
-              CFX_SaxParseMode_NotConvert_lt | CFX_SaxParseMode_NotConvert_gt |
-              CFX_SaxParseMode_NotConvert_sharp) < 0) {
-    return false;
-  }
-  return m_pSAXReader->ContinueParse(nullptr) > 99;
-}
-
-void CXFA_ChecksumContext::FinishChecksum() {
-  m_pSAXReader.reset();
-  if (m_pByteContext) {
-    uint8_t digest[20];
-    FXSYS_memset(digest, 0, 20);
-    CRYPT_SHA1Finish(m_pByteContext.get(), digest);
-    int32_t nLen = Base64EncodeA(digest, 20, nullptr);
-    char* pBuffer = m_bsChecksum.GetBuffer(nLen);
-    Base64EncodeA(digest, 20, pBuffer);
-    m_bsChecksum.ReleaseBuffer(nLen);
-    m_pByteContext.reset();
-  }
-}
-
-CFX_ByteString CXFA_ChecksumContext::GetChecksum() const {
-  return m_bsChecksum;
-}
-
-void CXFA_ChecksumContext::Update(const CFX_ByteStringC& bsText) {
-  if (!m_pByteContext)
-    return;
-
-  CRYPT_SHA1Update(m_pByteContext.get(), bsText.raw_str(), bsText.GetLength());
-}
diff --git a/xfa/fxfa/app/xfa_ffbarcode.cpp b/xfa/fxfa/app/xfa_ffbarcode.cpp
index 6b13069..72adb3c 100644
--- a/xfa/fxfa/app/xfa_ffbarcode.cpp
+++ b/xfa/fxfa/app/xfa_ffbarcode.cpp
@@ -13,8 +13,8 @@
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fftextedit.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 namespace {
 
diff --git a/xfa/fxfa/app/xfa_ffbarcode.h b/xfa/fxfa/app/xfa_ffbarcode.h
index 1f11be6..6d93e1b 100644
--- a/xfa/fxfa/app/xfa_ffbarcode.h
+++ b/xfa/fxfa/app/xfa_ffbarcode.h
@@ -9,7 +9,7 @@
 
 #include "xfa/fxbarcode/BC_Library.h"
 #include "xfa/fxfa/app/xfa_fftextedit.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
 
 class CXFA_FFBarcode : public CXFA_FFTextEdit {
  public:
diff --git a/xfa/fxfa/app/xfa_ffcheckbutton.cpp b/xfa/fxfa/app/xfa_ffcheckbutton.cpp
index 22fdb3d..9f003ad 100644
--- a/xfa/fxfa/app/xfa_ffcheckbutton.cpp
+++ b/xfa/fxfa/app/xfa_ffcheckbutton.cpp
@@ -12,11 +12,11 @@
 #include "xfa/fwl/cfwl_widgetmgr.h"
 #include "xfa/fxfa/app/xfa_ffexclgroup.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFCheckButton::CXFA_FFCheckButton(CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {}
diff --git a/xfa/fxfa/app/xfa_ffcheckbutton.h b/xfa/fxfa/app/xfa_ffcheckbutton.h
index 2c0acd6..ea8ff92 100644
--- a/xfa/fxfa/app/xfa_ffcheckbutton.h
+++ b/xfa/fxfa/app/xfa_ffcheckbutton.h
@@ -8,7 +8,7 @@
 #define XFA_FXFA_APP_XFA_FFCHECKBUTTON_H_
 
 #include "xfa/fxfa/app/xfa_fffield.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
 
 class CXFA_FFCheckButton : public CXFA_FFField {
  public:
diff --git a/xfa/fxfa/app/xfa_ffchoicelist.cpp b/xfa/fxfa/app/xfa_ffchoicelist.cpp
index 66b52fe..4609645 100644
--- a/xfa/fxfa/app/xfa_ffchoicelist.cpp
+++ b/xfa/fxfa/app/xfa_ffchoicelist.cpp
@@ -20,10 +20,10 @@
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFListBox::CXFA_FFListBox(CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {}
diff --git a/xfa/fxfa/app/xfa_ffchoicelist.h b/xfa/fxfa/app/xfa_ffchoicelist.h
index e89366a..2313814 100644
--- a/xfa/fxfa/app/xfa_ffchoicelist.h
+++ b/xfa/fxfa/app/xfa_ffchoicelist.h
@@ -8,7 +8,7 @@
 #define XFA_FXFA_APP_XFA_FFCHOICELIST_H_
 
 #include "xfa/fxfa/app/xfa_fffield.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
 
 class CXFA_FFListBox : public CXFA_FFField {
  public:
diff --git a/xfa/fxfa/app/xfa_ffdraw.cpp b/xfa/fxfa/app/xfa_ffdraw.cpp
index 37095dd..8742b83 100644
--- a/xfa/fxfa/app/xfa_ffdraw.cpp
+++ b/xfa/fxfa/app/xfa_ffdraw.cpp
@@ -6,10 +6,10 @@
 
 #include "xfa/fxfa/app/xfa_ffdraw.h"
 
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFDraw::CXFA_FFDraw(CXFA_WidgetAcc* pDataAcc) : CXFA_FFWidget(pDataAcc) {}
 
diff --git a/xfa/fxfa/app/xfa_ffdraw.h b/xfa/fxfa/app/xfa_ffdraw.h
index 0212dcc..bcd74f2 100644
--- a/xfa/fxfa/app/xfa_ffdraw.h
+++ b/xfa/fxfa/app/xfa_ffdraw.h
@@ -7,8 +7,8 @@
 #ifndef XFA_FXFA_APP_XFA_FFDRAW_H_
 #define XFA_FXFA_APP_XFA_FFDRAW_H_
 
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 class CXFA_FFDraw : public CXFA_FFWidget {
  public:
diff --git a/xfa/fxfa/app/xfa_ffexclgroup.cpp b/xfa/fxfa/app/xfa_ffexclgroup.cpp
index 7d63dad..9f2560f 100644
--- a/xfa/fxfa/app/xfa_ffexclgroup.cpp
+++ b/xfa/fxfa/app/xfa_ffexclgroup.cpp
@@ -6,10 +6,10 @@
 
 #include "xfa/fxfa/app/xfa_ffexclgroup.h"
 
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFExclGroup::CXFA_FFExclGroup(CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFWidget(pDataAcc) {}
diff --git a/xfa/fxfa/app/xfa_ffexclgroup.h b/xfa/fxfa/app/xfa_ffexclgroup.h
index 12a13ae..a148945 100644
--- a/xfa/fxfa/app/xfa_ffexclgroup.h
+++ b/xfa/fxfa/app/xfa_ffexclgroup.h
@@ -7,8 +7,8 @@
 #ifndef XFA_FXFA_APP_XFA_FFEXCLGROUP_H_
 #define XFA_FXFA_APP_XFA_FFEXCLGROUP_H_
 
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 class CXFA_FFExclGroup : public CXFA_FFWidget {
  public:
diff --git a/xfa/fxfa/app/xfa_fffield.cpp b/xfa/fxfa/app/xfa_fffield.cpp
index 06763be..39109f5 100644
--- a/xfa/fxfa/app/xfa_fffield.cpp
+++ b/xfa/fxfa/app/xfa_fffield.cpp
@@ -17,11 +17,11 @@
 #include "xfa/fwl/cfwl_widgetmgr.h"
 #include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/app/xfa_fwltheme.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_color.h"
 #include "xfa/fxgraphics/cfx_path.h"
 
diff --git a/xfa/fxfa/app/xfa_fffield.h b/xfa/fxfa/app/xfa_fffield.h
index f10ce61..0e9ac86 100644
--- a/xfa/fxfa/app/xfa_fffield.h
+++ b/xfa/fxfa/app/xfa_fffield.h
@@ -9,8 +9,8 @@
 
 #include "xfa/fwl/cfwl_widget.h"
 #include "xfa/fwl/ifwl_widgetdelegate.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 #define XFA_MINUI_HEIGHT 4.32f
 #define XFA_DEFAULTUI_HEIGHT 2.0f
diff --git a/xfa/fxfa/app/xfa_ffimage.cpp b/xfa/fxfa/app/xfa_ffimage.cpp
index a613221..81188c1 100644
--- a/xfa/fxfa/app/xfa_ffimage.cpp
+++ b/xfa/fxfa/app/xfa_ffimage.cpp
@@ -7,10 +7,10 @@
 #include "xfa/fxfa/app/xfa_ffimage.h"
 
 #include "xfa/fxfa/app/xfa_ffdraw.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFImage::CXFA_FFImage(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
 
diff --git a/xfa/fxfa/app/xfa_ffimageedit.cpp b/xfa/fxfa/app/xfa_ffimageedit.cpp
index 01d29ee..b776579 100644
--- a/xfa/fxfa/app/xfa_ffimageedit.cpp
+++ b/xfa/fxfa/app/xfa_ffimageedit.cpp
@@ -11,10 +11,10 @@
 #include "xfa/fwl/cfwl_notedriver.h"
 #include "xfa/fwl/cfwl_picturebox.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFImageEdit::CXFA_FFImageEdit(CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {}
diff --git a/xfa/fxfa/app/xfa_ffnotify.cpp b/xfa/fxfa/app/xfa_ffnotify.cpp
index fb154d8..9064801 100644
--- a/xfa/fxfa/app/xfa_ffnotify.cpp
+++ b/xfa/fxfa/app/xfa_ffnotify.cpp
@@ -24,12 +24,12 @@
 #include "xfa/fxfa/app/xfa_fftextedit.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
-#include "xfa/fxfa/xfa_ffwidgethandler.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffwidgethandler.h"
 
 static void XFA_FFDeleteWidgetAcc(void* pData) {
   delete static_cast<CXFA_WidgetAcc*>(pData);
diff --git a/xfa/fxfa/app/xfa_ffpath.cpp b/xfa/fxfa/app/xfa_ffpath.cpp
index 186d1b1..854a028 100644
--- a/xfa/fxfa/app/xfa_ffpath.cpp
+++ b/xfa/fxfa/app/xfa_ffpath.cpp
@@ -7,10 +7,10 @@
 #include "xfa/fxfa/app/xfa_ffpath.h"
 
 #include "xfa/fxfa/app/xfa_ffdraw.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_color.h"
 #include "xfa/fxgraphics/cfx_path.h"
 
diff --git a/xfa/fxfa/app/xfa_ffpushbutton.cpp b/xfa/fxfa/app/xfa_ffpushbutton.cpp
index 2233c5a..fa5c0dc 100644
--- a/xfa/fxfa/app/xfa_ffpushbutton.cpp
+++ b/xfa/fxfa/app/xfa_ffpushbutton.cpp
@@ -12,9 +12,9 @@
 #include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_color.h"
 #include "xfa/fxgraphics/cfx_path.h"
 
diff --git a/xfa/fxfa/app/xfa_ffsignature.cpp b/xfa/fxfa/app/xfa_ffsignature.cpp
index bf2bba3..edc3433 100644
--- a/xfa/fxfa/app/xfa_ffsignature.cpp
+++ b/xfa/fxfa/app/xfa_ffsignature.cpp
@@ -7,9 +7,9 @@
 #include "xfa/fxfa/app/xfa_ffsignature.h"
 
 #include "xfa/fxfa/app/xfa_fffield.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFSignature::CXFA_FFSignature(CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFField(pDataAcc) {}
diff --git a/xfa/fxfa/app/xfa_ffsubform.cpp b/xfa/fxfa/app/xfa_ffsubform.cpp
index 0b479f4..d008c5b 100644
--- a/xfa/fxfa/app/xfa_ffsubform.cpp
+++ b/xfa/fxfa/app/xfa_ffsubform.cpp
@@ -6,10 +6,10 @@
 
 #include "xfa/fxfa/app/xfa_ffsubform.h"
 
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 CXFA_FFSubForm::CXFA_FFSubForm(CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFWidget(pDataAcc) {}
diff --git a/xfa/fxfa/app/xfa_ffsubform.h b/xfa/fxfa/app/xfa_ffsubform.h
index e6b77a8..c87688f 100644
--- a/xfa/fxfa/app/xfa_ffsubform.h
+++ b/xfa/fxfa/app/xfa_ffsubform.h
@@ -7,8 +7,8 @@
 #ifndef XFA_FXFA_APP_XFA_FFSUBFORM_H_
 #define XFA_FXFA_APP_XFA_FFSUBFORM_H_
 
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 class CXFA_FFSubForm : public CXFA_FFWidget {
  public:
diff --git a/xfa/fxfa/app/xfa_fftext.cpp b/xfa/fxfa/app/xfa_fftext.cpp
index c4b533f..a314803 100644
--- a/xfa/fxfa/app/xfa_fftext.cpp
+++ b/xfa/fxfa/app/xfa_fftext.cpp
@@ -13,10 +13,10 @@
 #include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/app/xfa_ffdraw.h"
 #include "xfa/fxfa/app/xfa_textpiece.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_graphics.h"
 
 CXFA_FFText::CXFA_FFText(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
diff --git a/xfa/fxfa/app/xfa_fftextedit.cpp b/xfa/fxfa/app/xfa_fftextedit.cpp
index b4560c8..34c0374 100644
--- a/xfa/fxfa/app/xfa_fftextedit.cpp
+++ b/xfa/fxfa/app/xfa_fftextedit.cpp
@@ -21,12 +21,12 @@
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxfa/parser/xfa_localevalue.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
 
 CXFA_FFTextEdit::CXFA_FFTextEdit(CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {}
diff --git a/xfa/fxfa/app/xfa_ffwidgetacc.cpp b/xfa/fxfa/app/xfa_ffwidgetacc.cpp
index 4afd5e8..9b531ed 100644
--- a/xfa/fxfa/app/xfa_ffwidgetacc.cpp
+++ b/xfa/fxfa/app/xfa_ffwidgetacc.cpp
@@ -20,1503 +20,17 @@
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_localevalue.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
-#include "xfa/fxfa/xfa_fontmgr.h"
-
-static void XFA_FFDeleteCalcData(void* pData) {
-  if (pData) {
-    delete ((CXFA_CalcData*)pData);
-  }
-}
-
-static XFA_MAPDATABLOCKCALLBACKINFO gs_XFADeleteCalcData = {
-    XFA_FFDeleteCalcData, nullptr};
-
-class CXFA_WidgetLayoutData {
- public:
-  CXFA_WidgetLayoutData() : m_fWidgetHeight(-1) {}
-  virtual ~CXFA_WidgetLayoutData() {}
-
-  float m_fWidgetHeight;
-};
-
-class CXFA_TextLayoutData : public CXFA_WidgetLayoutData {
- public:
-  CXFA_TextLayoutData() {}
-  ~CXFA_TextLayoutData() override {}
-
-  CXFA_TextLayout* GetTextLayout() const { return m_pTextLayout.get(); }
-  CXFA_TextProvider* GetTextProvider() const { return m_pTextProvider.get(); }
-
-  void LoadText(CXFA_WidgetAcc* pAcc) {
-    if (m_pTextLayout)
-      return;
-
-    m_pTextProvider =
-        pdfium::MakeUnique<CXFA_TextProvider>(pAcc, XFA_TEXTPROVIDERTYPE_Text);
-    m_pTextLayout = pdfium::MakeUnique<CXFA_TextLayout>(m_pTextProvider.get());
-  }
-
- private:
-  std::unique_ptr<CXFA_TextLayout> m_pTextLayout;
-  std::unique_ptr<CXFA_TextProvider> m_pTextProvider;
-};
-
-class CXFA_ImageLayoutData : public CXFA_WidgetLayoutData {
- public:
-  CXFA_ImageLayoutData()
-      : m_pDIBitmap(nullptr),
-        m_bNamedImage(false),
-        m_iImageXDpi(0),
-        m_iImageYDpi(0) {}
-
-  ~CXFA_ImageLayoutData() override {
-    if (m_pDIBitmap && !m_bNamedImage)
-      delete m_pDIBitmap;
-  }
-
-  bool LoadImageData(CXFA_WidgetAcc* pAcc) {
-    if (m_pDIBitmap)
-      return true;
-
-    CXFA_Value value = pAcc->GetFormValue();
-    if (!value)
-      return false;
-
-    CXFA_Image imageObj = value.GetImage();
-    if (!imageObj)
-      return false;
-
-    CXFA_FFDoc* pFFDoc = pAcc->GetDoc();
-    pAcc->SetImageImage(XFA_LoadImageData(pFFDoc, &imageObj, m_bNamedImage,
-                                          m_iImageXDpi, m_iImageYDpi));
-    return !!m_pDIBitmap;
-  }
-
-  CFX_DIBitmap* m_pDIBitmap;
-  bool m_bNamedImage;
-  int32_t m_iImageXDpi;
-  int32_t m_iImageYDpi;
-};
-
-class CXFA_FieldLayoutData : public CXFA_WidgetLayoutData {
- public:
-  CXFA_FieldLayoutData() {}
-  ~CXFA_FieldLayoutData() override {}
-
-  bool LoadCaption(CXFA_WidgetAcc* pAcc) {
-    if (m_pCapTextLayout)
-      return true;
-    CXFA_Caption caption = pAcc->GetCaption();
-    if (!caption || caption.GetPresence() == XFA_ATTRIBUTEENUM_Hidden)
-      return false;
-    m_pCapTextProvider.reset(
-        new CXFA_TextProvider(pAcc, XFA_TEXTPROVIDERTYPE_Caption));
-    m_pCapTextLayout =
-        pdfium::MakeUnique<CXFA_TextLayout>(m_pCapTextProvider.get());
-    return true;
-  }
-
-  std::unique_ptr<CXFA_TextLayout> m_pCapTextLayout;
-  std::unique_ptr<CXFA_TextProvider> m_pCapTextProvider;
-  std::unique_ptr<CFDE_TextOut> m_pTextOut;
-  std::vector<float> m_FieldSplitArray;
-};
-
-class CXFA_TextEditData : public CXFA_FieldLayoutData {
- public:
-};
-
-class CXFA_ImageEditData : public CXFA_FieldLayoutData {
- public:
-  CXFA_ImageEditData()
-      : m_pDIBitmap(nullptr),
-        m_bNamedImage(false),
-        m_iImageXDpi(0),
-        m_iImageYDpi(0) {}
-
-  ~CXFA_ImageEditData() override {
-    if (m_pDIBitmap && !m_bNamedImage)
-      delete m_pDIBitmap;
-  }
-
-  bool LoadImageData(CXFA_WidgetAcc* pAcc) {
-    if (m_pDIBitmap)
-      return true;
-
-    CXFA_Value value = pAcc->GetFormValue();
-    if (!value)
-      return false;
-
-    CXFA_Image imageObj = value.GetImage();
-    CXFA_FFDoc* pFFDoc = pAcc->GetDoc();
-    pAcc->SetImageEditImage(XFA_LoadImageData(pFFDoc, &imageObj, m_bNamedImage,
-                                              m_iImageXDpi, m_iImageYDpi));
-    return !!m_pDIBitmap;
-  }
-
-  CFX_DIBitmap* m_pDIBitmap;
-  bool m_bNamedImage;
-  int32_t m_iImageXDpi;
-  int32_t m_iImageYDpi;
-};
-
-CXFA_WidgetAcc::CXFA_WidgetAcc(CXFA_FFDocView* pDocView, CXFA_Node* pNode)
-    : CXFA_WidgetData(pNode),
-      m_pDocView(pDocView),
-      m_nRecursionDepth(0) {}
-
-CXFA_WidgetAcc::~CXFA_WidgetAcc() {}
-
-bool CXFA_WidgetAcc::GetName(CFX_WideString& wsName, int32_t iNameType) {
-  if (iNameType == 0) {
-    m_pNode->TryCData(XFA_ATTRIBUTE_Name, wsName);
-    return !wsName.IsEmpty();
-  }
-  m_pNode->GetSOMExpression(wsName);
-  if (iNameType == 2 && wsName.GetLength() >= 15) {
-    CFX_WideStringC wsPre = L"xfa[0].form[0].";
-    if (wsPre == CFX_WideStringC(wsName.c_str(), wsPre.GetLength())) {
-      wsName.Delete(0, wsPre.GetLength());
-    }
-  }
-  return true;
-}
-CXFA_Node* CXFA_WidgetAcc::GetDatasets() {
-  return m_pNode->GetBindData();
-}
-bool CXFA_WidgetAcc::ProcessValueChanged() {
-  m_pDocView->AddValidateWidget(this);
-  m_pDocView->AddCalculateWidgetAcc(this);
-  m_pDocView->RunCalculateWidgets();
-  m_pDocView->RunValidate();
-  return true;
-}
-void CXFA_WidgetAcc::ResetData() {
-  CFX_WideString wsValue;
-  XFA_Element eUIType = GetUIType();
-  switch (eUIType) {
-    case XFA_Element::ImageEdit: {
-      CXFA_Value imageValue = GetDefaultValue();
-      CXFA_Image image = imageValue.GetImage();
-      CFX_WideString wsContentType, wsHref;
-      if (image) {
-        image.GetContent(wsValue);
-        image.GetContentType(wsContentType);
-        image.GetHref(wsHref);
-      }
-      SetImageEdit(wsContentType, wsHref, wsValue);
-    } break;
-    case XFA_Element::ExclGroup: {
-      CXFA_Node* pNextChild = m_pNode->GetNodeItem(
-          XFA_NODEITEM_FirstChild, XFA_ObjectType::ContainerNode);
-      while (pNextChild) {
-        CXFA_Node* pChild = pNextChild;
-        CXFA_WidgetAcc* pAcc =
-            static_cast<CXFA_WidgetAcc*>(pChild->GetWidgetData());
-        if (!pAcc) {
-          continue;
-        }
-        CXFA_Value defValue(nullptr);
-        if (wsValue.IsEmpty() && (defValue = pAcc->GetDefaultValue())) {
-          defValue.GetChildValueContent(wsValue);
-          SetValue(wsValue, XFA_VALUEPICTURE_Raw);
-          pAcc->SetValue(wsValue, XFA_VALUEPICTURE_Raw);
-        } else {
-          CXFA_Node* pItems = pChild->GetChild(0, XFA_Element::Items);
-          if (!pItems) {
-            continue;
-          }
-          CFX_WideString itemText;
-          if (pItems->CountChildren(XFA_Element::Unknown) > 1) {
-            itemText = pItems->GetChild(1, XFA_Element::Unknown)->GetContent();
-          }
-          pAcc->SetValue(itemText, XFA_VALUEPICTURE_Raw);
-        }
-        pNextChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling,
-                                         XFA_ObjectType::ContainerNode);
-      }
-    } break;
-    case XFA_Element::ChoiceList:
-      ClearAllSelections();
-    default:
-      if (CXFA_Value defValue = GetDefaultValue()) {
-        defValue.GetChildValueContent(wsValue);
-      }
-      SetValue(wsValue, XFA_VALUEPICTURE_Raw);
-      break;
-  }
-}
-void CXFA_WidgetAcc::SetImageEdit(const CFX_WideString& wsContentType,
-                                  const CFX_WideString& wsHref,
-                                  const CFX_WideString& wsData) {
-  CXFA_Image image = GetFormValue().GetImage();
-  if (image) {
-    image.SetContentType(CFX_WideString(wsContentType));
-    image.SetHref(wsHref);
-  }
-  CFX_WideString wsFormatValue(wsData);
-  GetFormatDataValue(wsData, wsFormatValue);
-  m_pNode->SetContent(wsData, wsFormatValue, true);
-  CXFA_Node* pBind = GetDatasets();
-  if (!pBind) {
-    image.SetTransferEncoding(XFA_ATTRIBUTEENUM_Base64);
-    return;
-  }
-  pBind->SetCData(XFA_ATTRIBUTE_ContentType, wsContentType);
-  CXFA_Node* pHrefNode = pBind->GetNodeItem(XFA_NODEITEM_FirstChild);
-  if (pHrefNode) {
-    pHrefNode->SetCData(XFA_ATTRIBUTE_Value, wsHref);
-  } else {
-    CFDE_XMLNode* pXMLNode = pBind->GetXMLMappingNode();
-    ASSERT(pXMLNode && pXMLNode->GetType() == FDE_XMLNODE_Element);
-    static_cast<CFDE_XMLElement*>(pXMLNode)->SetString(L"href", wsHref);
-  }
-}
-
-CXFA_WidgetAcc* CXFA_WidgetAcc::GetExclGroup() {
-  CXFA_Node* pExcl = m_pNode->GetNodeItem(XFA_NODEITEM_Parent);
-  if (!pExcl || pExcl->GetElementType() != XFA_Element::ExclGroup) {
-    return nullptr;
-  }
-  return static_cast<CXFA_WidgetAcc*>(pExcl->GetWidgetData());
-}
-CXFA_FFDocView* CXFA_WidgetAcc::GetDocView() {
-  return m_pDocView;
-}
-CXFA_FFDoc* CXFA_WidgetAcc::GetDoc() {
-  return m_pDocView->GetDoc();
-}
-CXFA_FFApp* CXFA_WidgetAcc::GetApp() {
-  return GetDoc()->GetApp();
-}
-IXFA_AppProvider* CXFA_WidgetAcc::GetAppProvider() {
-  return GetApp()->GetAppProvider();
-}
-int32_t CXFA_WidgetAcc::ProcessEvent(int32_t iActivity,
-                                     CXFA_EventParam* pEventParam) {
-  if (GetElementType() == XFA_Element::Draw)
-    return XFA_EVENTERROR_NotExist;
-
-  std::vector<CXFA_Node*> eventArray =
-      GetEventByActivity(iActivity, pEventParam->m_bIsFormReady);
-  bool first = true;
-  int32_t iRet = XFA_EVENTERROR_NotExist;
-  for (CXFA_Node* pNode : eventArray) {
-    int32_t result = ProcessEvent(CXFA_Event(pNode), pEventParam);
-    if (first || result == XFA_EVENTERROR_Success)
-      iRet = result;
-    first = false;
-  }
-  return iRet;
-}
-int32_t CXFA_WidgetAcc::ProcessEvent(const CXFA_Event& event,
-                                     CXFA_EventParam* pEventParam) {
-  if (!event)
-    return XFA_EVENTERROR_NotExist;
-
-  switch (event.GetEventType()) {
-    case XFA_Element::Execute:
-      break;
-    case XFA_Element::Script:
-      return ExecuteScript(event.GetScript(), pEventParam);
-    case XFA_Element::SignData:
-      break;
-    case XFA_Element::Submit:
-      return GetDoc()->GetDocEnvironment()->SubmitData(GetDoc(),
-                                                       event.GetSubmit());
-    default:
-      break;
-  }
-  return XFA_EVENTERROR_NotExist;
-}
-
-int32_t CXFA_WidgetAcc::ProcessCalculate() {
-  if (GetElementType() == XFA_Element::Draw)
-    return XFA_EVENTERROR_NotExist;
-
-  CXFA_Calculate calc = GetCalculate();
-  if (!calc)
-    return XFA_EVENTERROR_NotExist;
-  if (GetNode()->IsUserInteractive())
-    return XFA_EVENTERROR_Disabled;
-
-  CXFA_EventParam EventParam;
-  EventParam.m_eType = XFA_EVENT_Calculate;
-  CXFA_Script script = calc.GetScript();
-  int32_t iRet = ExecuteScript(script, &EventParam);
-  if (iRet != XFA_EVENTERROR_Success)
-    return iRet;
-
-  if (GetRawValue() != EventParam.m_wsResult) {
-    SetValue(EventParam.m_wsResult, XFA_VALUEPICTURE_Raw);
-    UpdateUIDisplay();
-  }
-  return XFA_EVENTERROR_Success;
-}
-
-void CXFA_WidgetAcc::ProcessScriptTestValidate(CXFA_Validate validate,
-                                               int32_t iRet,
-                                               CFXJSE_Value* pRetValue,
-                                               bool bVersionFlag) {
-  if (iRet == XFA_EVENTERROR_Success && pRetValue) {
-    if (pRetValue->IsBoolean() && !pRetValue->ToBoolean()) {
-      IXFA_AppProvider* pAppProvider = GetAppProvider();
-      if (!pAppProvider) {
-        return;
-      }
-      CFX_WideString wsTitle = pAppProvider->GetAppTitle();
-      CFX_WideString wsScriptMsg;
-      validate.GetScriptMessageText(wsScriptMsg);
-      int32_t eScriptTest = validate.GetScriptTest();
-      if (eScriptTest == XFA_ATTRIBUTEENUM_Warning) {
-        if (GetNode()->IsUserInteractive())
-          return;
-        if (wsScriptMsg.IsEmpty())
-          wsScriptMsg = GetValidateMessage(false, bVersionFlag);
-
-        if (bVersionFlag) {
-          pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Warning,
-                               XFA_MB_OK);
-          return;
-        }
-        if (pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Warning,
-                                 XFA_MB_YesNo) == XFA_IDYes) {
-          GetNode()->SetFlag(XFA_NodeFlag_UserInteractive, false);
-        }
-      } else {
-        if (wsScriptMsg.IsEmpty())
-          wsScriptMsg = GetValidateMessage(true, bVersionFlag);
-        pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Error, XFA_MB_OK);
-      }
-    }
-  }
-}
-int32_t CXFA_WidgetAcc::ProcessFormatTestValidate(CXFA_Validate validate,
-                                                  bool bVersionFlag) {
-  CFX_WideString wsRawValue = GetRawValue();
-  if (!wsRawValue.IsEmpty()) {
-    CFX_WideString wsPicture;
-    validate.GetPicture(wsPicture);
-    if (wsPicture.IsEmpty()) {
-      return XFA_EVENTERROR_NotExist;
-    }
-    IFX_Locale* pLocale = GetLocal();
-    if (!pLocale) {
-      return XFA_EVENTERROR_NotExist;
-    }
-    CXFA_LocaleValue lcValue = XFA_GetLocaleValue(this);
-    if (!lcValue.ValidateValue(lcValue.GetValue(), wsPicture, pLocale)) {
-      IXFA_AppProvider* pAppProvider = GetAppProvider();
-      if (!pAppProvider) {
-        return XFA_EVENTERROR_NotExist;
-      }
-      CFX_WideString wsFormatMsg;
-      validate.GetFormatMessageText(wsFormatMsg);
-      CFX_WideString wsTitle = pAppProvider->GetAppTitle();
-      int32_t eFormatTest = validate.GetFormatTest();
-      if (eFormatTest == XFA_ATTRIBUTEENUM_Error) {
-        if (wsFormatMsg.IsEmpty())
-          wsFormatMsg = GetValidateMessage(true, bVersionFlag);
-        pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Error, XFA_MB_OK);
-        return XFA_EVENTERROR_Success;
-      }
-      if (GetNode()->IsUserInteractive())
-        return XFA_EVENTERROR_NotExist;
-      if (wsFormatMsg.IsEmpty())
-        wsFormatMsg = GetValidateMessage(false, bVersionFlag);
-
-      if (bVersionFlag) {
-        pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Warning,
-                             XFA_MB_OK);
-        return XFA_EVENTERROR_Success;
-      }
-      if (pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Warning,
-                               XFA_MB_YesNo) == XFA_IDYes) {
-        GetNode()->SetFlag(XFA_NodeFlag_UserInteractive, false);
-      }
-      return XFA_EVENTERROR_Success;
-    }
-  }
-  return XFA_EVENTERROR_NotExist;
-}
-int32_t CXFA_WidgetAcc::ProcessNullTestValidate(CXFA_Validate validate,
-                                                int32_t iFlags,
-                                                bool bVersionFlag) {
-  CFX_WideString wsValue;
-  GetValue(wsValue, XFA_VALUEPICTURE_Raw);
-  if (!wsValue.IsEmpty()) {
-    return XFA_EVENTERROR_Success;
-  }
-  if (m_bIsNull && (m_bPreNull == m_bIsNull)) {
-    return XFA_EVENTERROR_Success;
-  }
-  int32_t eNullTest = validate.GetNullTest();
-  CFX_WideString wsNullMsg;
-  validate.GetNullMessageText(wsNullMsg);
-  if (iFlags & 0x01) {
-    int32_t iRet = XFA_EVENTERROR_Success;
-    if (eNullTest != XFA_ATTRIBUTEENUM_Disabled) {
-      iRet = XFA_EVENTERROR_Error;
-    }
-    if (!wsNullMsg.IsEmpty()) {
-      if (eNullTest != XFA_ATTRIBUTEENUM_Disabled) {
-        m_pDocView->m_arrNullTestMsg.push_back(wsNullMsg);
-        return XFA_EVENTERROR_Error;
-      }
-      return XFA_EVENTERROR_Success;
-    }
-    return iRet;
-  }
-  if (wsNullMsg.IsEmpty() && bVersionFlag &&
-      eNullTest != XFA_ATTRIBUTEENUM_Disabled) {
-    return XFA_EVENTERROR_Error;
-  }
-  IXFA_AppProvider* pAppProvider = GetAppProvider();
-  if (!pAppProvider) {
-    return XFA_EVENTERROR_NotExist;
-  }
-  CFX_WideString wsCaptionName;
-  CFX_WideString wsTitle = pAppProvider->GetAppTitle();
-  switch (eNullTest) {
-    case XFA_ATTRIBUTEENUM_Error: {
-      if (wsNullMsg.IsEmpty()) {
-        wsCaptionName = GetValidateCaptionName(bVersionFlag);
-        wsNullMsg.Format(L"%s cannot be blank.", wsCaptionName.c_str());
-      }
-      pAppProvider->MsgBox(wsNullMsg, wsTitle, XFA_MBICON_Status, XFA_MB_OK);
-      return XFA_EVENTERROR_Error;
-    }
-    case XFA_ATTRIBUTEENUM_Warning: {
-      if (GetNode()->IsUserInteractive())
-        return true;
-
-      if (wsNullMsg.IsEmpty()) {
-        wsCaptionName = GetValidateCaptionName(bVersionFlag);
-        wsNullMsg.Format(
-            L"%s cannot be blank. To ignore validations for %s, click Ignore.",
-            wsCaptionName.c_str(), wsCaptionName.c_str());
-      }
-      if (pAppProvider->MsgBox(wsNullMsg, wsTitle, XFA_MBICON_Warning,
-                               XFA_MB_YesNo) == XFA_IDYes) {
-        GetNode()->SetFlag(XFA_NodeFlag_UserInteractive, false);
-      }
-      return XFA_EVENTERROR_Error;
-    }
-    case XFA_ATTRIBUTEENUM_Disabled:
-    default:
-      break;
-  }
-  return XFA_EVENTERROR_Success;
-}
-
-CFX_WideString CXFA_WidgetAcc::GetValidateCaptionName(bool bVersionFlag) {
-  CFX_WideString wsCaptionName;
-
-  if (!bVersionFlag) {
-    if (CXFA_Caption caption = GetCaption()) {
-      if (CXFA_Value capValue = caption.GetValue()) {
-        if (CXFA_Text capText = capValue.GetText())
-          capText.GetContent(wsCaptionName);
-      }
-    }
-  }
-  if (wsCaptionName.IsEmpty())
-    GetName(wsCaptionName);
-
-  return wsCaptionName;
-}
-
-CFX_WideString CXFA_WidgetAcc::GetValidateMessage(bool bError,
-                                                  bool bVersionFlag) {
-  CFX_WideString wsCaptionName = GetValidateCaptionName(bVersionFlag);
-  CFX_WideString wsMessage;
-  if (bVersionFlag) {
-    wsMessage.Format(L"%s validation failed", wsCaptionName.c_str());
-    return wsMessage;
-  }
-  if (bError) {
-    wsMessage.Format(L"The value you entered for %s is invalid.",
-                     wsCaptionName.c_str());
-    return wsMessage;
-  }
-  wsMessage.Format(
-      L"The value you entered for %s is invalid. To ignore "
-      L"validations for %s, click Ignore.",
-      wsCaptionName.c_str(), wsCaptionName.c_str());
-  return wsMessage;
-}
-
-int32_t CXFA_WidgetAcc::ProcessValidate(int32_t iFlags) {
-  if (GetElementType() == XFA_Element::Draw) {
-    return XFA_EVENTERROR_NotExist;
-  }
-  CXFA_Validate validate = GetValidate();
-  if (!validate) {
-    return XFA_EVENTERROR_NotExist;
-  }
-  bool bInitDoc = validate.GetNode()->NeedsInitApp();
-  bool bStatus = m_pDocView->GetLayoutStatus() < XFA_DOCVIEW_LAYOUTSTATUS_End;
-  int32_t iFormat = 0;
-  CFXJSE_Value* pRetValue = nullptr;
-  int32_t iRet = XFA_EVENTERROR_NotExist;
-  CXFA_Script script = validate.GetScript();
-  if (script) {
-    CXFA_EventParam eParam;
-    eParam.m_eType = XFA_EVENT_Validate;
-    eParam.m_pTarget = this;
-    iRet = ExecuteScript(script, &eParam,
-                         ((bInitDoc || bStatus) && GetRawValue().IsEmpty())
-                             ? nullptr
-                             : &pRetValue);
-  }
-  XFA_VERSION version = GetDoc()->GetXFADoc()->GetCurVersionMode();
-  bool bVersionFlag = false;
-  if (version < XFA_VERSION_208) {
-    bVersionFlag = true;
-  }
-  if (bInitDoc) {
-    validate.GetNode()->ClearFlag(XFA_NodeFlag_NeedsInitApp);
-  } else {
-    iFormat = ProcessFormatTestValidate(validate, bVersionFlag);
-    if (!bVersionFlag) {
-      bVersionFlag = GetDoc()->GetXFADoc()->HasFlag(XFA_DOCFLAG_Scripting);
-    }
-    iRet |= ProcessNullTestValidate(validate, iFlags, bVersionFlag);
-  }
-  if (iFormat != XFA_EVENTERROR_Success) {
-    ProcessScriptTestValidate(validate, iRet, pRetValue, bVersionFlag);
-  }
-  delete pRetValue;
-
-  return iRet | iFormat;
-}
-int32_t CXFA_WidgetAcc::ExecuteScript(CXFA_Script script,
-                                      CXFA_EventParam* pEventParam,
-                                      CFXJSE_Value** pRetValue) {
-  static const uint32_t MAX_RECURSION_DEPTH = 2;
-  if (m_nRecursionDepth > MAX_RECURSION_DEPTH)
-    return XFA_EVENTERROR_Success;
-  ASSERT(pEventParam);
-  if (!script) {
-    return XFA_EVENTERROR_NotExist;
-  }
-  if (script.GetRunAt() == XFA_ATTRIBUTEENUM_Server) {
-    return XFA_EVENTERROR_Disabled;
-  }
-  CFX_WideString wsExpression;
-  script.GetExpression(wsExpression);
-  if (wsExpression.IsEmpty()) {
-    return XFA_EVENTERROR_NotExist;
-  }
-  XFA_SCRIPTTYPE eScriptType = script.GetContentType();
-  if (eScriptType == XFA_SCRIPTTYPE_Unkown) {
-    return XFA_EVENTERROR_Success;
-  }
-  CXFA_FFDoc* pDoc = GetDoc();
-  CXFA_ScriptContext* pContext = pDoc->GetXFADoc()->GetScriptContext();
-  pContext->SetEventParam(*pEventParam);
-  pContext->SetRunAtType((XFA_ATTRIBUTEENUM)script.GetRunAt());
-  std::vector<CXFA_Node*> refNodes;
-  if (pEventParam->m_eType == XFA_EVENT_InitCalculate ||
-      pEventParam->m_eType == XFA_EVENT_Calculate) {
-    pContext->SetNodesOfRunScript(&refNodes);
-  }
-  std::unique_ptr<CFXJSE_Value> pTmpRetValue(
-      new CFXJSE_Value(pContext->GetRuntime()));
-  ++m_nRecursionDepth;
-  bool bRet = pContext->RunScript((XFA_SCRIPTLANGTYPE)eScriptType,
-                                  wsExpression.AsStringC(), pTmpRetValue.get(),
-                                  m_pNode);
-  --m_nRecursionDepth;
-  int32_t iRet = XFA_EVENTERROR_Error;
-  if (bRet) {
-    iRet = XFA_EVENTERROR_Success;
-    if (pEventParam->m_eType == XFA_EVENT_Calculate ||
-        pEventParam->m_eType == XFA_EVENT_InitCalculate) {
-      if (!pTmpRetValue->IsUndefined()) {
-        if (!pTmpRetValue->IsNull())
-          pEventParam->m_wsResult = pTmpRetValue->ToWideString();
-
-        iRet = XFA_EVENTERROR_Success;
-      } else {
-        iRet = XFA_EVENTERROR_Error;
-      }
-      if (pEventParam->m_eType == XFA_EVENT_InitCalculate) {
-        if ((iRet == XFA_EVENTERROR_Success) &&
-            (GetRawValue() != pEventParam->m_wsResult)) {
-          SetValue(pEventParam->m_wsResult, XFA_VALUEPICTURE_Raw);
-          m_pDocView->AddValidateWidget(this);
-        }
-      }
-      for (CXFA_Node* pRefNode : refNodes) {
-        if (static_cast<CXFA_WidgetAcc*>(pRefNode->GetWidgetData()) == this)
-          continue;
-
-        auto* pGlobalData =
-            static_cast<CXFA_CalcData*>(pRefNode->GetUserData(XFA_CalcData));
-        if (!pGlobalData) {
-          pGlobalData = new CXFA_CalcData;
-          pRefNode->SetUserData(XFA_CalcData, pGlobalData,
-                                &gs_XFADeleteCalcData);
-        }
-        if (!pdfium::ContainsValue(pGlobalData->m_Globals, this))
-          pGlobalData->m_Globals.push_back(this);
-      }
-    }
-  }
-  if (pRetValue)
-    *pRetValue = pTmpRetValue.release();
-
-  pContext->SetNodesOfRunScript(nullptr);
-  return iRet;
-}
-CXFA_FFWidget* CXFA_WidgetAcc::GetNextWidget(CXFA_FFWidget* pWidget) {
-  CXFA_LayoutItem* pLayout = nullptr;
-  if (pWidget) {
-    pLayout = pWidget->GetNext();
-  } else {
-    pLayout = m_pDocView->GetXFALayout()->GetLayoutItem(m_pNode);
-  }
-  return static_cast<CXFA_FFWidget*>(pLayout);
-}
-void CXFA_WidgetAcc::UpdateUIDisplay(CXFA_FFWidget* pExcept) {
-  CXFA_FFWidget* pWidget = nullptr;
-  while ((pWidget = GetNextWidget(pWidget)) != nullptr) {
-    if (pWidget == pExcept || !pWidget->IsLoaded() ||
-        (GetUIType() != XFA_Element::CheckButton && pWidget->IsFocused())) {
-      continue;
-    }
-    pWidget->UpdateFWLData();
-    pWidget->AddInvalidateRect();
-  }
-}
-
-void CXFA_WidgetAcc::CalcCaptionSize(CFX_SizeF& szCap) {
-  CXFA_Caption caption = GetCaption();
-  if (!caption || caption.GetPresence() != XFA_ATTRIBUTEENUM_Visible) {
-    return;
-  }
-  LoadCaption();
-  XFA_Element eUIType = GetUIType();
-  int32_t iCapPlacement = caption.GetPlacementType();
-  float fCapReserve = caption.GetReserve();
-  const bool bVert = iCapPlacement == XFA_ATTRIBUTEENUM_Top ||
-                     iCapPlacement == XFA_ATTRIBUTEENUM_Bottom;
-  const bool bReserveExit = fCapReserve > 0.01;
-  CXFA_TextLayout* pCapTextLayout =
-      static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get())
-          ->m_pCapTextLayout.get();
-  if (pCapTextLayout) {
-    if (!bVert && eUIType != XFA_Element::Button) {
-      szCap.width = fCapReserve;
-    }
-    CFX_SizeF minSize;
-    pCapTextLayout->CalcSize(minSize, szCap, szCap);
-    if (bReserveExit) {
-      bVert ? szCap.height = fCapReserve : szCap.width = fCapReserve;
-    }
-  } else {
-    float fFontSize = 10.0f;
-    if (CXFA_Font font = caption.GetFont()) {
-      fFontSize = font.GetFontSize();
-    } else if (CXFA_Font widgetfont = GetFont()) {
-      fFontSize = widgetfont.GetFontSize();
-    }
-    if (bVert) {
-      szCap.height = fCapReserve > 0 ? fCapReserve : fFontSize;
-    } else {
-      szCap.width = fCapReserve > 0 ? fCapReserve : 0;
-      szCap.height = fFontSize;
-    }
-  }
-  if (CXFA_Margin mgCap = caption.GetMargin()) {
-    float fLeftInset, fTopInset, fRightInset, fBottomInset;
-    mgCap.GetLeftInset(fLeftInset);
-    mgCap.GetTopInset(fTopInset);
-    mgCap.GetRightInset(fRightInset);
-    mgCap.GetBottomInset(fBottomInset);
-    if (bReserveExit) {
-      bVert ? (szCap.width += fLeftInset + fRightInset)
-            : (szCap.height += fTopInset + fBottomInset);
-    } else {
-      szCap.width += fLeftInset + fRightInset;
-      szCap.height += fTopInset + fBottomInset;
-    }
-  }
-}
-bool CXFA_WidgetAcc::CalculateFieldAutoSize(CFX_SizeF& size) {
-  CFX_SizeF szCap;
-  CalcCaptionSize(szCap);
-  CFX_RectF rtUIMargin = GetUIMargin();
-  size.width += rtUIMargin.left + rtUIMargin.width;
-  size.height += rtUIMargin.top + rtUIMargin.height;
-  if (szCap.width > 0 && szCap.height > 0) {
-    int32_t iCapPlacement = GetCaption().GetPlacementType();
-    switch (iCapPlacement) {
-      case XFA_ATTRIBUTEENUM_Left:
-      case XFA_ATTRIBUTEENUM_Right:
-      case XFA_ATTRIBUTEENUM_Inline: {
-        size.width += szCap.width;
-        size.height = std::max(size.height, szCap.height);
-      } break;
-      case XFA_ATTRIBUTEENUM_Top:
-      case XFA_ATTRIBUTEENUM_Bottom: {
-        size.height += szCap.height;
-        size.width = std::max(size.width, szCap.width);
-      }
-      default:
-        break;
-    }
-  }
-  return CalculateWidgetAutoSize(size);
-}
-bool CXFA_WidgetAcc::CalculateWidgetAutoSize(CFX_SizeF& size) {
-  CXFA_Margin mgWidget = GetMargin();
-  if (mgWidget) {
-    float fLeftInset, fTopInset, fRightInset, fBottomInset;
-    mgWidget.GetLeftInset(fLeftInset);
-    mgWidget.GetTopInset(fTopInset);
-    mgWidget.GetRightInset(fRightInset);
-    mgWidget.GetBottomInset(fBottomInset);
-    size.width += fLeftInset + fRightInset;
-    size.height += fTopInset + fBottomInset;
-  }
-  CXFA_Para para = GetPara();
-  if (para)
-    size.width += para.GetMarginLeft() + para.GetTextIndent();
-
-  float fVal = 0;
-  float fMin = 0;
-  float fMax = 0;
-  if (GetWidth(fVal)) {
-    size.width = fVal;
-  } else {
-    if (GetMinWidth(fMin))
-      size.width = std::max(size.width, fMin);
-    if (GetMaxWidth(fMax) && fMax > 0)
-      size.width = std::min(size.width, fMax);
-  }
-  fVal = 0;
-  fMin = 0;
-  fMax = 0;
-  if (GetHeight(fVal)) {
-    size.height = fVal;
-  } else {
-    if (GetMinHeight(fMin))
-      size.height = std::max(size.height, fMin);
-    if (GetMaxHeight(fMax) && fMax > 0)
-      size.height = std::min(size.height, fMax);
-  }
-  return true;
-}
-
-void CXFA_WidgetAcc::CalculateTextContentSize(CFX_SizeF& size) {
-  float fFontSize = GetFontSize();
-  CFX_WideString wsText;
-  GetValue(wsText, XFA_VALUEPICTURE_Display);
-  if (wsText.IsEmpty()) {
-    size.height += fFontSize;
-    return;
-  }
-
-  wchar_t wcEnter = '\n';
-  wchar_t wsLast = wsText.GetAt(wsText.GetLength() - 1);
-  if (wsLast == wcEnter) {
-    wsText = wsText + wcEnter;
-  }
-
-  CXFA_FieldLayoutData* layoutData =
-      static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get());
-  if (!layoutData->m_pTextOut) {
-    layoutData->m_pTextOut = pdfium::MakeUnique<CFDE_TextOut>();
-    CFDE_TextOut* pTextOut = layoutData->m_pTextOut.get();
-    pTextOut->SetFont(GetFDEFont());
-    pTextOut->SetFontSize(fFontSize);
-    pTextOut->SetLineBreakTolerance(fFontSize * 0.2f);
-    pTextOut->SetLineSpace(GetLineHeight());
-    uint32_t dwStyles = FDE_TTOSTYLE_LastLineHeight;
-    if (GetUIType() == XFA_Element::TextEdit && IsMultiLine()) {
-      dwStyles |= FDE_TTOSTYLE_LineWrap;
-    }
-    pTextOut->SetStyles(dwStyles);
-  }
-  layoutData->m_pTextOut->CalcLogicSize(wsText.c_str(), wsText.GetLength(),
-                                        size);
-}
-bool CXFA_WidgetAcc::CalculateTextEditAutoSize(CFX_SizeF& size) {
-  if (size.width > 0) {
-    CFX_SizeF szOrz = size;
-    CFX_SizeF szCap;
-    CalcCaptionSize(szCap);
-    bool bCapExit = szCap.width > 0.01 && szCap.height > 0.01;
-    int32_t iCapPlacement = XFA_ATTRIBUTEENUM_Unknown;
-    if (bCapExit) {
-      iCapPlacement = GetCaption().GetPlacementType();
-      switch (iCapPlacement) {
-        case XFA_ATTRIBUTEENUM_Left:
-        case XFA_ATTRIBUTEENUM_Right:
-        case XFA_ATTRIBUTEENUM_Inline: {
-          size.width -= szCap.width;
-        }
-        default:
-          break;
-      }
-    }
-    CFX_RectF rtUIMargin = GetUIMargin();
-    size.width -= rtUIMargin.left + rtUIMargin.width;
-    CXFA_Margin mgWidget = GetMargin();
-    if (mgWidget) {
-      float fLeftInset, fRightInset;
-      mgWidget.GetLeftInset(fLeftInset);
-      mgWidget.GetRightInset(fRightInset);
-      size.width -= fLeftInset + fRightInset;
-    }
-    CalculateTextContentSize(size);
-    size.height += rtUIMargin.top + rtUIMargin.height;
-    if (bCapExit) {
-      switch (iCapPlacement) {
-        case XFA_ATTRIBUTEENUM_Left:
-        case XFA_ATTRIBUTEENUM_Right:
-        case XFA_ATTRIBUTEENUM_Inline: {
-          size.height = std::max(size.height, szCap.height);
-        } break;
-        case XFA_ATTRIBUTEENUM_Top:
-        case XFA_ATTRIBUTEENUM_Bottom: {
-          size.height += szCap.height;
-        }
-        default:
-          break;
-      }
-    }
-    size.width = szOrz.width;
-    return CalculateWidgetAutoSize(size);
-  }
-  CalculateTextContentSize(size);
-  return CalculateFieldAutoSize(size);
-}
-bool CXFA_WidgetAcc::CalculateCheckButtonAutoSize(CFX_SizeF& size) {
-  float fCheckSize = GetCheckButtonSize();
-  size = CFX_SizeF(fCheckSize, fCheckSize);
-  return CalculateFieldAutoSize(size);
-}
-bool CXFA_WidgetAcc::CalculatePushButtonAutoSize(CFX_SizeF& size) {
-  CalcCaptionSize(size);
-  return CalculateWidgetAutoSize(size);
-}
-bool CXFA_WidgetAcc::CalculateImageAutoSize(CFX_SizeF& size) {
-  if (!GetImageImage()) {
-    LoadImageImage();
-  }
-  size.clear();
-  if (CFX_DIBitmap* pBitmap = GetImageImage()) {
-    int32_t iImageXDpi = 0;
-    int32_t iImageYDpi = 0;
-    GetImageDpi(iImageXDpi, iImageYDpi);
-    CFX_RectF rtImage(
-        0, 0, XFA_UnitPx2Pt((float)pBitmap->GetWidth(), (float)iImageXDpi),
-        XFA_UnitPx2Pt((float)pBitmap->GetHeight(), (float)iImageYDpi));
-
-    CFX_RectF rtFit;
-    if (GetWidth(rtFit.width)) {
-      GetWidthWithoutMargin(rtFit.width);
-    } else {
-      rtFit.width = rtImage.width;
-    }
-    if (GetHeight(rtFit.height)) {
-      GetHeightWithoutMargin(rtFit.height);
-    } else {
-      rtFit.height = rtImage.height;
-    }
-    size = rtFit.Size();
-  }
-  return CalculateWidgetAutoSize(size);
-}
-bool CXFA_WidgetAcc::CalculateImageEditAutoSize(CFX_SizeF& size) {
-  if (!GetImageEditImage()) {
-    LoadImageEditImage();
-  }
-  size.clear();
-  if (CFX_DIBitmap* pBitmap = GetImageEditImage()) {
-    int32_t iImageXDpi = 0;
-    int32_t iImageYDpi = 0;
-    GetImageEditDpi(iImageXDpi, iImageYDpi);
-    CFX_RectF rtImage(
-        0, 0, XFA_UnitPx2Pt((float)pBitmap->GetWidth(), (float)iImageXDpi),
-        XFA_UnitPx2Pt((float)pBitmap->GetHeight(), (float)iImageYDpi));
-
-    CFX_RectF rtFit;
-    if (GetWidth(rtFit.width)) {
-      GetWidthWithoutMargin(rtFit.width);
-    } else {
-      rtFit.width = rtImage.width;
-    }
-    if (GetHeight(rtFit.height)) {
-      GetHeightWithoutMargin(rtFit.height);
-    } else {
-      rtFit.height = rtImage.height;
-    }
-    size.width = rtFit.width;
-    size.height = rtFit.height;
-  }
-  return CalculateFieldAutoSize(size);
-}
-bool CXFA_WidgetAcc::LoadImageImage() {
-  InitLayoutData();
-  return static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get())
-      ->LoadImageData(this);
-}
-bool CXFA_WidgetAcc::LoadImageEditImage() {
-  InitLayoutData();
-  return static_cast<CXFA_ImageEditData*>(m_pLayoutData.get())
-      ->LoadImageData(this);
-}
-void CXFA_WidgetAcc::GetImageDpi(int32_t& iImageXDpi, int32_t& iImageYDpi) {
-  CXFA_ImageLayoutData* pData =
-      static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get());
-  iImageXDpi = pData->m_iImageXDpi;
-  iImageYDpi = pData->m_iImageYDpi;
-}
-void CXFA_WidgetAcc::GetImageEditDpi(int32_t& iImageXDpi, int32_t& iImageYDpi) {
-  CXFA_ImageEditData* pData =
-      static_cast<CXFA_ImageEditData*>(m_pLayoutData.get());
-  iImageXDpi = pData->m_iImageXDpi;
-  iImageYDpi = pData->m_iImageYDpi;
-}
-bool CXFA_WidgetAcc::CalculateTextAutoSize(CFX_SizeF& size) {
-  LoadText();
-  CXFA_TextLayout* pTextLayout =
-      static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->GetTextLayout();
-  if (pTextLayout) {
-    size.width = pTextLayout->StartLayout(size.width);
-    size.height = pTextLayout->GetLayoutHeight();
-  }
-  return CalculateWidgetAutoSize(size);
-}
-void CXFA_WidgetAcc::LoadText() {
-  InitLayoutData();
-  static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->LoadText(this);
-}
-float CXFA_WidgetAcc::CalculateWidgetAutoWidth(float fWidthCalc) {
-  CXFA_Margin mgWidget = GetMargin();
-  if (mgWidget) {
-    float fLeftInset, fRightInset;
-    mgWidget.GetLeftInset(fLeftInset);
-    mgWidget.GetRightInset(fRightInset);
-    fWidthCalc += fLeftInset + fRightInset;
-  }
-  float fMin = 0, fMax = 0;
-  if (GetMinWidth(fMin)) {
-    fWidthCalc = std::max(fWidthCalc, fMin);
-  }
-  if (GetMaxWidth(fMax) && fMax > 0) {
-    fWidthCalc = std::min(fWidthCalc, fMax);
-  }
-  return fWidthCalc;
-}
-float CXFA_WidgetAcc::GetWidthWithoutMargin(float fWidthCalc) {
-  CXFA_Margin mgWidget = GetMargin();
-  if (mgWidget) {
-    float fLeftInset, fRightInset;
-    mgWidget.GetLeftInset(fLeftInset);
-    mgWidget.GetRightInset(fRightInset);
-    fWidthCalc -= fLeftInset + fRightInset;
-  }
-  return fWidthCalc;
-}
-float CXFA_WidgetAcc::CalculateWidgetAutoHeight(float fHeightCalc) {
-  CXFA_Margin mgWidget = GetMargin();
-  if (mgWidget) {
-    float fTopInset, fBottomInset;
-    mgWidget.GetTopInset(fTopInset);
-    mgWidget.GetBottomInset(fBottomInset);
-    fHeightCalc += fTopInset + fBottomInset;
-  }
-  float fMin = 0, fMax = 0;
-  if (GetMinHeight(fMin)) {
-    fHeightCalc = std::max(fHeightCalc, fMin);
-  }
-  if (GetMaxHeight(fMax) && fMax > 0) {
-    fHeightCalc = std::min(fHeightCalc, fMax);
-  }
-  return fHeightCalc;
-}
-float CXFA_WidgetAcc::GetHeightWithoutMargin(float fHeightCalc) {
-  CXFA_Margin mgWidget = GetMargin();
-  if (mgWidget) {
-    float fTopInset, fBottomInset;
-    mgWidget.GetTopInset(fTopInset);
-    mgWidget.GetBottomInset(fBottomInset);
-    fHeightCalc -= fTopInset + fBottomInset;
-  }
-  return fHeightCalc;
-}
-void CXFA_WidgetAcc::StartWidgetLayout(float& fCalcWidth, float& fCalcHeight) {
-  InitLayoutData();
-  XFA_Element eUIType = GetUIType();
-  if (eUIType == XFA_Element::Text) {
-    m_pLayoutData->m_fWidgetHeight = -1;
-    GetHeight(m_pLayoutData->m_fWidgetHeight);
-    StartTextLayout(fCalcWidth, fCalcHeight);
-    return;
-  }
-  if (fCalcWidth > 0 && fCalcHeight > 0) {
-    return;
-  }
-  m_pLayoutData->m_fWidgetHeight = -1;
-  float fWidth = 0;
-  if (fCalcWidth > 0 && fCalcHeight < 0) {
-    if (!GetHeight(fCalcHeight)) {
-      CalculateAccWidthAndHeight(eUIType, fCalcWidth, fCalcHeight);
-    }
-    m_pLayoutData->m_fWidgetHeight = fCalcHeight;
-    return;
-  }
-  if (fCalcWidth < 0 && fCalcHeight < 0) {
-    if (!GetWidth(fWidth) || !GetHeight(fCalcHeight)) {
-      CalculateAccWidthAndHeight(eUIType, fWidth, fCalcHeight);
-    }
-    fCalcWidth = fWidth;
-  }
-  m_pLayoutData->m_fWidgetHeight = fCalcHeight;
-}
-void CXFA_WidgetAcc::CalculateAccWidthAndHeight(XFA_Element eUIType,
-                                                float& fWidth,
-                                                float& fCalcHeight) {
-  CFX_SizeF sz(fWidth, m_pLayoutData->m_fWidgetHeight);
-  switch (eUIType) {
-    case XFA_Element::Barcode:
-    case XFA_Element::ChoiceList:
-    case XFA_Element::Signature:
-      CalculateFieldAutoSize(sz);
-      break;
-    case XFA_Element::ImageEdit:
-      CalculateImageEditAutoSize(sz);
-      break;
-    case XFA_Element::Button:
-      CalculatePushButtonAutoSize(sz);
-      break;
-    case XFA_Element::CheckButton:
-      CalculateCheckButtonAutoSize(sz);
-      break;
-    case XFA_Element::DateTimeEdit:
-    case XFA_Element::NumericEdit:
-    case XFA_Element::PasswordEdit:
-    case XFA_Element::TextEdit:
-      CalculateTextEditAutoSize(sz);
-      break;
-    case XFA_Element::Image:
-      CalculateImageAutoSize(sz);
-      break;
-    case XFA_Element::Arc:
-    case XFA_Element::Line:
-    case XFA_Element::Rectangle:
-    case XFA_Element::Subform:
-    case XFA_Element::ExclGroup:
-      CalculateWidgetAutoSize(sz);
-      break;
-    default:
-      break;
-  }
-  fWidth = sz.width;
-  m_pLayoutData->m_fWidgetHeight = sz.height;
-  fCalcHeight = sz.height;
-}
-bool CXFA_WidgetAcc::FindSplitPos(int32_t iBlockIndex, float& fCalcHeight) {
-  XFA_Element eUIType = GetUIType();
-  if (eUIType == XFA_Element::Subform) {
-    return false;
-  }
-  if (eUIType != XFA_Element::Text && eUIType != XFA_Element::TextEdit &&
-      eUIType != XFA_Element::NumericEdit &&
-      eUIType != XFA_Element::PasswordEdit) {
-    fCalcHeight = 0;
-    return true;
-  }
-  float fTopInset = 0;
-  float fBottomInset = 0;
-  if (iBlockIndex == 0) {
-    CXFA_Margin mgWidget = GetMargin();
-    if (mgWidget) {
-      mgWidget.GetTopInset(fTopInset);
-      mgWidget.GetBottomInset(fBottomInset);
-    }
-    CFX_RectF rtUIMargin = GetUIMargin();
-    fTopInset += rtUIMargin.top;
-    fBottomInset += rtUIMargin.width;
-  }
-  if (eUIType == XFA_Element::Text) {
-    float fHeight = fCalcHeight;
-    if (iBlockIndex == 0) {
-      fCalcHeight = fCalcHeight - fTopInset;
-      if (fCalcHeight < 0) {
-        fCalcHeight = 0;
-      }
-    }
-    CXFA_TextLayout* pTextLayout =
-        static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->GetTextLayout();
-    pTextLayout->DoLayout(iBlockIndex, fCalcHeight, fCalcHeight,
-                          m_pLayoutData->m_fWidgetHeight - fTopInset);
-    if (fCalcHeight != 0) {
-      if (iBlockIndex == 0) {
-        fCalcHeight = fCalcHeight + fTopInset;
-      }
-      if (fabs(fHeight - fCalcHeight) < XFA_FLOAT_PERCISION) {
-        return false;
-      }
-    }
-    return true;
-  }
-  XFA_ATTRIBUTEENUM iCapPlacement = XFA_ATTRIBUTEENUM_Unknown;
-  float fCapReserve = 0;
-  if (iBlockIndex == 0) {
-    CXFA_Caption caption = GetCaption();
-    if (caption && caption.GetPresence() != XFA_ATTRIBUTEENUM_Hidden) {
-      iCapPlacement = (XFA_ATTRIBUTEENUM)caption.GetPlacementType();
-      fCapReserve = caption.GetReserve();
-    }
-    if (iCapPlacement == XFA_ATTRIBUTEENUM_Top &&
-        fCalcHeight < fCapReserve + fTopInset) {
-      fCalcHeight = 0;
-      return true;
-    }
-    if (iCapPlacement == XFA_ATTRIBUTEENUM_Bottom &&
-        m_pLayoutData->m_fWidgetHeight - fCapReserve - fBottomInset) {
-      fCalcHeight = 0;
-      return true;
-    }
-    if (iCapPlacement != XFA_ATTRIBUTEENUM_Top) {
-      fCapReserve = 0;
-    }
-  }
-  CXFA_FieldLayoutData* pFieldData =
-      static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get());
-  int32_t iLinesCount = 0;
-  float fHeight = m_pLayoutData->m_fWidgetHeight;
-  CFX_WideString wsText;
-  GetValue(wsText, XFA_VALUEPICTURE_Display);
-  if (wsText.IsEmpty()) {
-    iLinesCount = 1;
-  } else {
-    if (!pFieldData->m_pTextOut) {
-      float fWidth = 0;
-      GetWidth(fWidth);
-      CalculateAccWidthAndHeight(eUIType, fWidth, fHeight);
-    }
-    iLinesCount = pFieldData->m_pTextOut->GetTotalLines();
-  }
-  std::vector<float>* pFieldArray = &pFieldData->m_FieldSplitArray;
-  int32_t iFieldSplitCount = pdfium::CollectionSize<int32_t>(*pFieldArray);
-  for (int32_t i = 0; i < iBlockIndex * 3; i += 3) {
-    iLinesCount -= (int32_t)(*pFieldArray)[i + 1];
-    fHeight -= (*pFieldArray)[i + 2];
-  }
-  if (iLinesCount == 0) {
-    return false;
-  }
-  float fLineHeight = GetLineHeight();
-  float fFontSize = GetFontSize();
-  float fTextHeight = iLinesCount * fLineHeight - fLineHeight + fFontSize;
-  float fSpaceAbove = 0;
-  float fStartOffset = 0;
-  if (fHeight > 0.1f && iBlockIndex == 0) {
-    fStartOffset = fTopInset;
-    fHeight -= (fTopInset + fBottomInset);
-    if (CXFA_Para para = GetPara()) {
-      fSpaceAbove = para.GetSpaceAbove();
-      float fSpaceBelow = para.GetSpaceBelow();
-      fHeight -= (fSpaceAbove + fSpaceBelow);
-      switch (para.GetVerticalAlign()) {
-        case XFA_ATTRIBUTEENUM_Top:
-          fStartOffset += fSpaceAbove;
-          break;
-        case XFA_ATTRIBUTEENUM_Middle:
-          fStartOffset += ((fHeight - fTextHeight) / 2 + fSpaceAbove);
-          break;
-        case XFA_ATTRIBUTEENUM_Bottom:
-          fStartOffset += (fHeight - fTextHeight + fSpaceAbove);
-          break;
-      }
-    }
-    if (fStartOffset < 0.1f)
-      fStartOffset = 0;
-  }
-  for (int32_t i = iBlockIndex - 1; iBlockIndex > 0 && i < iBlockIndex; i++) {
-    fStartOffset = (*pFieldArray)[i * 3] - (*pFieldArray)[i * 3 + 2];
-    if (fStartOffset < 0.1f)
-      fStartOffset = 0;
-  }
-  if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
-    (*pFieldArray)[0] = fStartOffset;
-  } else {
-    pFieldArray->push_back(fStartOffset);
-  }
-  XFA_VERSION version = GetDoc()->GetXFADoc()->GetCurVersionMode();
-  bool bCanSplitNoContent = false;
-  XFA_ATTRIBUTEENUM eLayoutMode;
-  GetNode()
-      ->GetNodeItem(XFA_NODEITEM_Parent)
-      ->TryEnum(XFA_ATTRIBUTE_Layout, eLayoutMode, true);
-  if ((eLayoutMode == XFA_ATTRIBUTEENUM_Position ||
-       eLayoutMode == XFA_ATTRIBUTEENUM_Tb ||
-       eLayoutMode == XFA_ATTRIBUTEENUM_Row ||
-       eLayoutMode == XFA_ATTRIBUTEENUM_Table) &&
-      version > XFA_VERSION_208) {
-    bCanSplitNoContent = true;
-  }
-  if ((eLayoutMode == XFA_ATTRIBUTEENUM_Tb ||
-       eLayoutMode == XFA_ATTRIBUTEENUM_Row ||
-       eLayoutMode == XFA_ATTRIBUTEENUM_Table) &&
-      version <= XFA_VERSION_208) {
-    if (fStartOffset < fCalcHeight) {
-      bCanSplitNoContent = true;
-    } else {
-      fCalcHeight = 0;
-      return true;
-    }
-  }
-  if (bCanSplitNoContent) {
-    if ((fCalcHeight - fTopInset - fSpaceAbove < fLineHeight)) {
-      fCalcHeight = 0;
-      return true;
-    }
-    if (fStartOffset + XFA_FLOAT_PERCISION >= fCalcHeight) {
-      if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
-        (*pFieldArray)[iBlockIndex * 3 + 1] = 0;
-        (*pFieldArray)[iBlockIndex * 3 + 2] = fCalcHeight;
-      } else {
-        pFieldArray->push_back(0);
-        pFieldArray->push_back(fCalcHeight);
-      }
-      return false;
-    }
-    if (fCalcHeight - fStartOffset < fLineHeight) {
-      fCalcHeight = fStartOffset;
-      if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
-        (*pFieldArray)[iBlockIndex * 3 + 1] = 0;
-        (*pFieldArray)[iBlockIndex * 3 + 2] = fCalcHeight;
-      } else {
-        pFieldArray->push_back(0);
-        pFieldArray->push_back(fCalcHeight);
-      }
-      return true;
-    }
-    float fTextNum =
-        fCalcHeight + XFA_FLOAT_PERCISION - fCapReserve - fStartOffset;
-    int32_t iLineNum =
-        (int32_t)((fTextNum + (fLineHeight - fFontSize)) / fLineHeight);
-    if (iLineNum >= iLinesCount) {
-      if (fCalcHeight - fStartOffset - fTextHeight >= fFontSize) {
-        if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
-          (*pFieldArray)[iBlockIndex * 3 + 1] = (float)iLinesCount;
-          (*pFieldArray)[iBlockIndex * 3 + 2] = fCalcHeight;
-        } else {
-          pFieldArray->push_back((float)iLinesCount);
-          pFieldArray->push_back(fCalcHeight);
-        }
-        return false;
-      }
-      if (fHeight - fStartOffset - fTextHeight < fFontSize) {
-        iLineNum -= 1;
-        if (iLineNum == 0) {
-          fCalcHeight = 0;
-          return true;
-        }
-      } else {
-        iLineNum = (int32_t)(fTextNum / fLineHeight);
-      }
-    }
-    if (iLineNum > 0) {
-      float fSplitHeight = iLineNum * fLineHeight + fCapReserve + fStartOffset;
-      if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
-        (*pFieldArray)[iBlockIndex * 3 + 1] = (float)iLineNum;
-        (*pFieldArray)[iBlockIndex * 3 + 2] = fSplitHeight;
-      } else {
-        pFieldArray->push_back((float)iLineNum);
-        pFieldArray->push_back(fSplitHeight);
-      }
-      if (fabs(fSplitHeight - fCalcHeight) < XFA_FLOAT_PERCISION) {
-        return false;
-      }
-      fCalcHeight = fSplitHeight;
-      return true;
-    }
-  }
-  fCalcHeight = 0;
-  return true;
-}
-void CXFA_WidgetAcc::InitLayoutData() {
-  if (m_pLayoutData) {
-    return;
-  }
-  switch (GetUIType()) {
-    case XFA_Element::Text:
-      m_pLayoutData = pdfium::MakeUnique<CXFA_TextLayoutData>();
-      return;
-    case XFA_Element::TextEdit:
-      m_pLayoutData = pdfium::MakeUnique<CXFA_TextEditData>();
-      return;
-    case XFA_Element::Image:
-      m_pLayoutData = pdfium::MakeUnique<CXFA_ImageLayoutData>();
-      return;
-    case XFA_Element::ImageEdit:
-      m_pLayoutData = pdfium::MakeUnique<CXFA_ImageEditData>();
-      return;
-    default:
-      break;
-  }
-  if (GetElementType() == XFA_Element::Field) {
-    m_pLayoutData = pdfium::MakeUnique<CXFA_FieldLayoutData>();
-    return;
-  }
-  m_pLayoutData = pdfium::MakeUnique<CXFA_WidgetLayoutData>();
-}
-
-void CXFA_WidgetAcc::StartTextLayout(float& fCalcWidth, float& fCalcHeight) {
-  LoadText();
-  CXFA_TextLayout* pTextLayout =
-      static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->GetTextLayout();
-  float fTextHeight = 0;
-  if (fCalcWidth > 0 && fCalcHeight > 0) {
-    float fWidth = GetWidthWithoutMargin(fCalcWidth);
-    pTextLayout->StartLayout(fWidth);
-    fTextHeight = fCalcHeight;
-    fTextHeight = GetHeightWithoutMargin(fTextHeight);
-    pTextLayout->DoLayout(0, fTextHeight, -1, fTextHeight);
-    return;
-  }
-  if (fCalcWidth > 0 && fCalcHeight < 0) {
-    float fWidth = GetWidthWithoutMargin(fCalcWidth);
-    pTextLayout->StartLayout(fWidth);
-  }
-  if (fCalcWidth < 0 && fCalcHeight < 0) {
-    float fMaxWidth = -1;
-    bool bRet = GetWidth(fMaxWidth);
-    if (bRet) {
-      float fWidth = GetWidthWithoutMargin(fMaxWidth);
-      pTextLayout->StartLayout(fWidth);
-    } else {
-      float fWidth = pTextLayout->StartLayout(fMaxWidth);
-      fMaxWidth = CalculateWidgetAutoWidth(fWidth);
-      fWidth = GetWidthWithoutMargin(fMaxWidth);
-      pTextLayout->StartLayout(fWidth);
-    }
-    fCalcWidth = fMaxWidth;
-  }
-  if (m_pLayoutData->m_fWidgetHeight < 0) {
-    m_pLayoutData->m_fWidgetHeight = pTextLayout->GetLayoutHeight();
-    m_pLayoutData->m_fWidgetHeight =
-        CalculateWidgetAutoHeight(m_pLayoutData->m_fWidgetHeight);
-  }
-  fTextHeight = m_pLayoutData->m_fWidgetHeight;
-  fTextHeight = GetHeightWithoutMargin(fTextHeight);
-  pTextLayout->DoLayout(0, fTextHeight, -1, fTextHeight);
-  fCalcHeight = m_pLayoutData->m_fWidgetHeight;
-}
-bool CXFA_WidgetAcc::LoadCaption() {
-  InitLayoutData();
-  return static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get())
-      ->LoadCaption(this);
-}
-CXFA_TextLayout* CXFA_WidgetAcc::GetCaptionTextLayout() {
-  return m_pLayoutData
-             ? static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get())
-                   ->m_pCapTextLayout.get()
-             : nullptr;
-}
-CXFA_TextLayout* CXFA_WidgetAcc::GetTextLayout() {
-  return m_pLayoutData
-             ? static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())
-                   ->GetTextLayout()
-             : nullptr;
-}
-CFX_DIBitmap* CXFA_WidgetAcc::GetImageImage() {
-  return m_pLayoutData
-             ? static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get())
-                   ->m_pDIBitmap
-             : nullptr;
-}
-CFX_DIBitmap* CXFA_WidgetAcc::GetImageEditImage() {
-  return m_pLayoutData
-             ? static_cast<CXFA_ImageEditData*>(m_pLayoutData.get())
-                   ->m_pDIBitmap
-             : nullptr;
-}
-
-void CXFA_WidgetAcc::SetImageImage(CFX_DIBitmap* newImage) {
-  CXFA_ImageLayoutData* pData =
-      static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get());
-  if (pData->m_pDIBitmap == newImage)
-    return;
-
-  if (pData->m_pDIBitmap && !pData->m_bNamedImage)
-    delete pData->m_pDIBitmap;
-
-  pData->m_pDIBitmap = newImage;
-}
-
-void CXFA_WidgetAcc::SetImageEditImage(CFX_DIBitmap* newImage) {
-  CXFA_ImageEditData* pData =
-      static_cast<CXFA_ImageEditData*>(m_pLayoutData.get());
-  if (pData->m_pDIBitmap == newImage)
-    return;
-
-  if (pData->m_pDIBitmap && !pData->m_bNamedImage)
-    delete pData->m_pDIBitmap;
-
-  pData->m_pDIBitmap = newImage;
-}
-
-CXFA_WidgetLayoutData* CXFA_WidgetAcc::GetWidgetLayoutData() {
-  return m_pLayoutData.get();
-}
-
-CFX_RetainPtr<CFGAS_GEFont> CXFA_WidgetAcc::GetFDEFont() {
-  CFX_WideStringC wsFontName = L"Courier";
-  uint32_t dwFontStyle = 0;
-  if (CXFA_Font font = GetFont()) {
-    if (font.IsBold())
-      dwFontStyle |= FX_FONTSTYLE_Bold;
-    if (font.IsItalic())
-      dwFontStyle |= FX_FONTSTYLE_Italic;
-    font.GetTypeface(wsFontName);
-  }
 
-  auto* pDoc = GetDoc();
-  return pDoc->GetApp()->GetXFAFontMgr()->GetFont(pDoc, wsFontName,
-                                                  dwFontStyle);
-}
-float CXFA_WidgetAcc::GetFontSize() {
-  float fFontSize = 10.0f;
-  if (CXFA_Font font = GetFont()) {
-    fFontSize = font.GetFontSize();
-  }
-  return fFontSize < 0.1f ? 10.0f : fFontSize;
-}
-float CXFA_WidgetAcc::GetLineHeight() {
-  float fLineHeight = 0;
-  if (CXFA_Para para = GetPara()) {
-    fLineHeight = para.GetLineHeight();
-  }
-  if (fLineHeight < 1) {
-    fLineHeight = GetFontSize() * 1.2f;
-  }
-  return fLineHeight;
-}
-FX_ARGB CXFA_WidgetAcc::GetTextColor() {
-  if (CXFA_Font font = GetFont()) {
-    return font.GetColor();
-  }
-  return 0xFF000000;
-}
 CXFA_Node* CXFA_TextProvider::GetTextNode(bool& bRichText) {
   bRichText = false;
   if (m_pTextNode) {
diff --git a/xfa/fxfa/app/xfa_ffwidgetacc.h b/xfa/fxfa/app/xfa_ffwidgetacc.h
index 2daa35e..8cb66e2 100644
--- a/xfa/fxfa/app/xfa_ffwidgetacc.h
+++ b/xfa/fxfa/app/xfa_ffwidgetacc.h
@@ -9,7 +9,7 @@
 
 #include "core/fxcrt/fx_string.h"
 #include "xfa/fxfa/app/cxfa_textlayout.h"
-#include "xfa/fxfa/fxfa_widget.h"
+#include "xfa/fxfa/cxfa_widgetacc.h"
 #include "xfa/fxfa/parser/cxfa_font.h"
 #include "xfa/fxfa/parser/cxfa_para.h"
 
diff --git a/xfa/fxfa/app/xfa_fwladapter.cpp b/xfa/fxfa/app/xfa_fwladapter.cpp
index af578fc..3cf6e5e 100644
--- a/xfa/fxfa/app/xfa_fwladapter.cpp
+++ b/xfa/fxfa/app/xfa_fwladapter.cpp
@@ -7,7 +7,7 @@
 #include "xfa/fxfa/app/xfa_fwladapter.h"
 
 #include "xfa/fxfa/app/xfa_fffield.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
 
 CXFA_FWLAdapterWidgetMgr::CXFA_FWLAdapterWidgetMgr() {}
 
diff --git a/xfa/fxfa/app/xfa_fwltheme.cpp b/xfa/fxfa/app/xfa_fwltheme.cpp
index 5ea2a0c..b7f23e3 100644
--- a/xfa/fxfa/app/xfa_fwltheme.cpp
+++ b/xfa/fxfa/app/xfa_fwltheme.cpp
@@ -22,8 +22,8 @@
 #include "xfa/fwl/cfwl_scrollbar.h"
 #include "xfa/fwl/cfwl_themebackground.h"
 #include "xfa/fwl/cfwl_themetext.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_color.h"
 
 namespace {
diff --git a/xfa/fxfa/app/xfa_fwltheme.h b/xfa/fxfa/app/xfa_fwltheme.h
index a8efad0..33ea8e8 100644
--- a/xfa/fxfa/app/xfa_fwltheme.h
+++ b/xfa/fxfa/app/xfa_fwltheme.h
@@ -22,7 +22,7 @@
 #include "xfa/fwl/theme/cfwl_pushbuttontp.h"
 #include "xfa/fwl/theme/cfwl_scrollbartp.h"
 #include "xfa/fwl/theme/cfwl_widgettp.h"
-#include "xfa/fxfa/xfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
 
 class CXFA_FWLTheme final : public IFWL_ThemeProvider {
  public:
diff --git a/xfa/fxfa/cxfa_checksumcontext.cpp b/xfa/fxfa/cxfa_checksumcontext.cpp
new file mode 100644
index 0000000..a59bdb1
--- /dev/null
+++ b/xfa/fxfa/cxfa_checksumcontext.cpp
@@ -0,0 +1,151 @@
+// 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/cxfa_checksumcontext.h"
+
+#include "core/fdrm/crypto/fx_crypt.h"
+#include "third_party/base/ptr_util.h"
+#include "xfa/fxfa/cxfa_saxreaderhandler.h"
+
+namespace {
+
+struct FX_BASE64DATA {
+  uint32_t data1 : 2;
+  uint32_t data2 : 6;
+  uint32_t data3 : 4;
+  uint32_t data4 : 4;
+  uint32_t data5 : 6;
+  uint32_t data6 : 2;
+  uint32_t data7 : 8;
+};
+
+const char g_FXBase64EncoderMap[64] = {
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
+    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
+    'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/',
+};
+
+void Base64EncodePiece(const FX_BASE64DATA& src, int32_t iBytes, char dst[4]) {
+  dst[0] = g_FXBase64EncoderMap[src.data2];
+  uint32_t b = src.data1 << 4;
+  if (iBytes > 1) {
+    b |= src.data4;
+  }
+  dst[1] = g_FXBase64EncoderMap[b];
+  if (iBytes > 1) {
+    b = src.data3 << 2;
+    if (iBytes > 2) {
+      b |= src.data6;
+    }
+    dst[2] = g_FXBase64EncoderMap[b];
+    if (iBytes > 2) {
+      dst[3] = g_FXBase64EncoderMap[src.data5];
+    } else {
+      dst[3] = '=';
+    }
+  } else {
+    dst[2] = dst[3] = '=';
+  }
+}
+
+int32_t Base64EncodeA(const uint8_t* pSrc, int32_t iSrcLen, char* pDst) {
+  ASSERT(pSrc);
+  if (iSrcLen < 1) {
+    return 0;
+  }
+  if (!pDst) {
+    int32_t iDstLen = iSrcLen / 3 * 4;
+    if ((iSrcLen % 3) != 0) {
+      iDstLen += 4;
+    }
+    return iDstLen;
+  }
+  FX_BASE64DATA srcData;
+  int32_t iBytes = 3;
+  char* pDstEnd = pDst;
+  while (iSrcLen > 0) {
+    if (iSrcLen > 2) {
+      ((uint8_t*)&srcData)[0] = *pSrc++;
+      ((uint8_t*)&srcData)[1] = *pSrc++;
+      ((uint8_t*)&srcData)[2] = *pSrc++;
+      iSrcLen -= 3;
+    } else {
+      *((uint32_t*)&srcData) = 0;
+      ((uint8_t*)&srcData)[0] = *pSrc++;
+      if (iSrcLen > 1) {
+        ((uint8_t*)&srcData)[1] = *pSrc++;
+      }
+      iBytes = iSrcLen;
+      iSrcLen = 0;
+    }
+    Base64EncodePiece(srcData, iBytes, pDstEnd);
+    pDstEnd += 4;
+  }
+  return pDstEnd - pDst;
+}
+
+}  // namespace
+
+CXFA_ChecksumContext::CXFA_ChecksumContext() {}
+
+CXFA_ChecksumContext::~CXFA_ChecksumContext() {}
+
+void CXFA_ChecksumContext::StartChecksum() {
+  FinishChecksum();
+  m_pByteContext = pdfium::MakeUnique<CRYPT_sha1_context>();
+  CRYPT_SHA1Start(m_pByteContext.get());
+  m_bsChecksum.clear();
+  m_pSAXReader = pdfium::MakeUnique<CFX_SAXReader>();
+}
+
+bool CXFA_ChecksumContext::UpdateChecksum(
+    const CFX_RetainPtr<IFX_SeekableReadStream>& pSrcFile,
+    FX_FILESIZE offset,
+    size_t size) {
+  if (!m_pSAXReader || !pSrcFile)
+    return false;
+
+  if (size < 1)
+    size = pSrcFile->GetSize();
+
+  CXFA_SAXReaderHandler handler(this);
+  m_pSAXReader->SetHandler(&handler);
+  if (m_pSAXReader->StartParse(
+          pSrcFile, (uint32_t)offset, (uint32_t)size,
+          CFX_SaxParseMode_NotSkipSpace | CFX_SaxParseMode_NotConvert_amp |
+              CFX_SaxParseMode_NotConvert_lt | CFX_SaxParseMode_NotConvert_gt |
+              CFX_SaxParseMode_NotConvert_sharp) < 0) {
+    return false;
+  }
+  return m_pSAXReader->ContinueParse(nullptr) > 99;
+}
+
+void CXFA_ChecksumContext::FinishChecksum() {
+  m_pSAXReader.reset();
+  if (m_pByteContext) {
+    uint8_t digest[20];
+    FXSYS_memset(digest, 0, 20);
+    CRYPT_SHA1Finish(m_pByteContext.get(), digest);
+    int32_t nLen = Base64EncodeA(digest, 20, nullptr);
+    char* pBuffer = m_bsChecksum.GetBuffer(nLen);
+    Base64EncodeA(digest, 20, pBuffer);
+    m_bsChecksum.ReleaseBuffer(nLen);
+    m_pByteContext.reset();
+  }
+}
+
+CFX_ByteString CXFA_ChecksumContext::GetChecksum() const {
+  return m_bsChecksum;
+}
+
+void CXFA_ChecksumContext::Update(const CFX_ByteStringC& bsText) {
+  if (!m_pByteContext)
+    return;
+
+  CRYPT_SHA1Update(m_pByteContext.get(), bsText.raw_str(), bsText.GetLength());
+}
diff --git a/xfa/fxfa/cxfa_checksumcontext.h b/xfa/fxfa/cxfa_checksumcontext.h
new file mode 100644
index 0000000..ca1b530
--- /dev/null
+++ b/xfa/fxfa/cxfa_checksumcontext.h
@@ -0,0 +1,34 @@
+// 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
+
+#ifndef XFA_FXFA_CXFA_CHECKSUMCONTEXT_H_
+#define XFA_FXFA_CXFA_CHECKSUMCONTEXT_H_
+
+#include <memory>
+
+#include "core/fdrm/crypto/fx_crypt.h"
+#include "xfa/fde/xml/cfx_saxreader.h"
+
+class CXFA_ChecksumContext {
+ public:
+  CXFA_ChecksumContext();
+  ~CXFA_ChecksumContext();
+
+  void StartChecksum();
+  void Update(const CFX_ByteStringC& bsText);
+  bool UpdateChecksum(const CFX_RetainPtr<IFX_SeekableReadStream>& pSrcFile,
+                      FX_FILESIZE offset = 0,
+                      size_t size = 0);
+  void FinishChecksum();
+  CFX_ByteString GetChecksum() const;
+
+ private:
+  std::unique_ptr<CFX_SAXReader> m_pSAXReader;
+  std::unique_ptr<CRYPT_sha1_context> m_pByteContext;
+  CFX_ByteString m_bsChecksum;
+};
+
+#endif  // XFA_FXFA_CXFA_CHECKSUMCONTEXT_H_
diff --git a/xfa/fxfa/cxfa_deffontmgr.cpp b/xfa/fxfa/cxfa_deffontmgr.cpp
new file mode 100644
index 0000000..db73067
--- /dev/null
+++ b/xfa/fxfa/cxfa_deffontmgr.cpp
@@ -0,0 +1,77 @@
+// Copyright 2017 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/cxfa_deffontmgr.h"
+
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
+
+CXFA_DefFontMgr::CXFA_DefFontMgr() {}
+
+CXFA_DefFontMgr::~CXFA_DefFontMgr() {}
+
+CFX_RetainPtr<CFGAS_GEFont> CXFA_DefFontMgr::GetFont(
+    CXFA_FFDoc* hDoc,
+    const CFX_WideStringC& wsFontFamily,
+    uint32_t dwFontStyles,
+    uint16_t wCodePage) {
+  CFX_WideString wsFontName(wsFontFamily);
+  CFGAS_FontMgr* pFDEFontMgr = hDoc->GetApp()->GetFDEFontMgr();
+  CFX_RetainPtr<CFGAS_GEFont> pFont =
+      pFDEFontMgr->LoadFont(wsFontName.c_str(), dwFontStyles, wCodePage);
+  if (!pFont) {
+    const XFA_FONTINFO* pCurFont =
+        XFA_GetFontINFOByFontName(wsFontName.AsStringC());
+    if (pCurFont && pCurFont->pReplaceFont) {
+      uint32_t dwStyle = 0;
+      if (dwFontStyles & FX_FONTSTYLE_Bold) {
+        dwStyle |= FX_FONTSTYLE_Bold;
+      }
+      if (dwFontStyles & FX_FONTSTYLE_Italic) {
+        dwStyle |= FX_FONTSTYLE_Italic;
+      }
+      const wchar_t* pReplace = pCurFont->pReplaceFont;
+      int32_t iLength = FXSYS_wcslen(pReplace);
+      while (iLength > 0) {
+        const wchar_t* pNameText = pReplace;
+        while (*pNameText != L',' && iLength > 0) {
+          pNameText++;
+          iLength--;
+        }
+        CFX_WideString wsReplace =
+            CFX_WideString(pReplace, pNameText - pReplace);
+        pFont = pFDEFontMgr->LoadFont(wsReplace.c_str(), dwStyle, wCodePage);
+        if (pFont)
+          break;
+
+        iLength--;
+        pNameText++;
+        pReplace = pNameText;
+      }
+    }
+  }
+  if (pFont)
+    m_CacheFonts.push_back(pFont);
+  return pFont;
+}
+
+CFX_RetainPtr<CFGAS_GEFont> CXFA_DefFontMgr::GetDefaultFont(
+    CXFA_FFDoc* hDoc,
+    const CFX_WideStringC& wsFontFamily,
+    uint32_t dwFontStyles,
+    uint16_t wCodePage) {
+  CFGAS_FontMgr* pFDEFontMgr = hDoc->GetApp()->GetFDEFontMgr();
+  CFX_RetainPtr<CFGAS_GEFont> pFont =
+      pFDEFontMgr->LoadFont(L"Arial Narrow", dwFontStyles, wCodePage);
+  if (!pFont) {
+    pFont = pFDEFontMgr->LoadFont(static_cast<const wchar_t*>(nullptr),
+                                  dwFontStyles, wCodePage);
+  }
+  if (pFont)
+    m_CacheFonts.push_back(pFont);
+  return pFont;
+}
diff --git a/xfa/fxfa/cxfa_deffontmgr.h b/xfa/fxfa/cxfa_deffontmgr.h
new file mode 100644
index 0000000..5f50ffb
--- /dev/null
+++ b/xfa/fxfa/cxfa_deffontmgr.h
@@ -0,0 +1,37 @@
+// Copyright 2017 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
+
+#ifndef XFA_FXFA_CXFA_DEFFONTMGR_H_
+#define XFA_FXFA_CXFA_DEFFONTMGR_H_
+
+#include <vector>
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_string.h"
+#include "xfa/fgas/font/cfgas_gefont.h"
+
+class CXFA_FFDoc;
+
+class CXFA_DefFontMgr {
+ public:
+  CXFA_DefFontMgr();
+  ~CXFA_DefFontMgr();
+
+  CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_FFDoc* hDoc,
+                                      const CFX_WideStringC& wsFontFamily,
+                                      uint32_t dwFontStyles,
+                                      uint16_t wCodePage = 0xFFFF);
+  CFX_RetainPtr<CFGAS_GEFont> GetDefaultFont(
+      CXFA_FFDoc* hDoc,
+      const CFX_WideStringC& wsFontFamily,
+      uint32_t dwFontStyles,
+      uint16_t wCodePage = 0xFFFF);
+
+ private:
+  std::vector<CFX_RetainPtr<CFGAS_GEFont>> m_CacheFonts;
+};
+
+#endif  // XFA_FXFA_CXFA_DEFFONTMGR_H_
diff --git a/xfa/fxfa/app/cxfa_eventparam.cpp b/xfa/fxfa/cxfa_eventparam.cpp
similarity index 100%
rename from xfa/fxfa/app/cxfa_eventparam.cpp
rename to xfa/fxfa/cxfa_eventparam.cpp
diff --git a/xfa/fxfa/app/xfa_ffapp.cpp b/xfa/fxfa/cxfa_ffapp.cpp
similarity index 95%
rename from xfa/fxfa/app/xfa_ffapp.cpp
rename to xfa/fxfa/cxfa_ffapp.cpp
index 219f06e..40341ad 100644
--- a/xfa/fxfa/app/xfa_ffapp.cpp
+++ b/xfa/fxfa/cxfa_ffapp.cpp
@@ -4,7 +4,7 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
 
 #include <algorithm>
 #include <memory>
@@ -18,10 +18,10 @@
 #include "xfa/fwl/cfwl_widgetmgr.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
 #include "xfa/fxfa/app/xfa_fwltheme.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdochandler.h"
-#include "xfa/fxfa/xfa_ffwidgethandler.h"
-#include "xfa/fxfa/xfa_fontmgr.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdochandler.h"
+#include "xfa/fxfa/cxfa_ffwidgethandler.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
 
 namespace {
 
diff --git a/xfa/fxfa/xfa_ffapp.h b/xfa/fxfa/cxfa_ffapp.h
similarity index 96%
rename from xfa/fxfa/xfa_ffapp.h
rename to xfa/fxfa/cxfa_ffapp.h
index 411fd2d..01235d6 100644
--- a/xfa/fxfa/xfa_ffapp.h
+++ b/xfa/fxfa/cxfa_ffapp.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_FFAPP_H_
-#define XFA_FXFA_XFA_FFAPP_H_
+#ifndef XFA_FXFA_CXFA_FFAPP_H_
+#define XFA_FXFA_CXFA_FFAPP_H_
 
 #include <memory>
 #include <vector>
@@ -54,7 +54,7 @@
 
   void ClearEventTargets();
 
- protected:
+ private:
   std::unique_ptr<CXFA_FFDocHandler> m_pDocHandler;
   IXFA_AppProvider* const m_pProvider;
 
@@ -83,4 +83,4 @@
   std::unique_ptr<CFWL_App> m_pFWLApp;
 };
 
-#endif  // XFA_FXFA_XFA_FFAPP_H_
+#endif  // XFA_FXFA_CXFA_FFAPP_H_
diff --git a/xfa/fxfa/app/xfa_ffapp_unittest.cpp b/xfa/fxfa/cxfa_ffapp_unitest.cpp
similarity index 98%
rename from xfa/fxfa/app/xfa_ffapp_unittest.cpp
rename to xfa/fxfa/cxfa_ffapp_unitest.cpp
index b087901..e8accdf 100644
--- a/xfa/fxfa/app/xfa_ffapp_unittest.cpp
+++ b/xfa/fxfa/cxfa_ffapp_unitest.cpp
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "xfa/fxfa/xfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
 
 #include <memory>
 #include <vector>
diff --git a/xfa/fxfa/app/xfa_ffdoc.cpp b/xfa/fxfa/cxfa_ffdoc.cpp
similarity index 97%
rename from xfa/fxfa/app/xfa_ffdoc.cpp
rename to xfa/fxfa/cxfa_ffdoc.cpp
index ba1f5d8..fdeacf7 100644
--- a/xfa/fxfa/app/xfa_ffdoc.cpp
+++ b/xfa/fxfa/cxfa_ffdoc.cpp
@@ -4,7 +4,7 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
 
 #include <algorithm>
 #include <memory>
@@ -20,14 +20,14 @@
 #include "xfa/fde/xml/fde_xml_imp.h"
 #include "xfa/fwl/cfwl_notedriver.h"
 #include "xfa/fxfa/app/xfa_ffnotify.h"
+#include "xfa/fxfa/cxfa_checksumcontext.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
 #include "xfa/fxfa/parser/cxfa_dataexporter.h"
 #include "xfa/fxfa/parser/cxfa_dataimporter.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
-#include "xfa/fxfa/xfa_checksum.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
-#include "xfa/fxfa/xfa_fontmgr.h"
 
 namespace {
 
diff --git a/xfa/fxfa/xfa_ffdoc.h b/xfa/fxfa/cxfa_ffdoc.h
similarity index 95%
rename from xfa/fxfa/xfa_ffdoc.h
rename to xfa/fxfa/cxfa_ffdoc.h
index ee7695b..1d46387 100644
--- a/xfa/fxfa/xfa_ffdoc.h
+++ b/xfa/fxfa/cxfa_ffdoc.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_FFDOC_H_
-#define XFA_FXFA_XFA_FFDOC_H_
+#ifndef XFA_FXFA_CXFA_FFDOC_H_
+#define XFA_FXFA_CXFA_FFDOC_H_
 
 #include <map>
 #include <memory>
@@ -58,7 +58,7 @@
   bool ImportData(const CFX_RetainPtr<IFX_SeekableReadStream>& pStream,
                   bool bXDP = true);
 
- protected:
+ private:
   IXFA_DocEnvironment* const m_pDocEnvironment;
   std::unique_ptr<CXFA_DocumentParser> m_pDocumentParser;
   CFX_RetainPtr<IFX_SeekableReadStream> m_pStream;
@@ -70,4 +70,4 @@
   XFA_DocType m_dwDocType;
 };
 
-#endif  // XFA_FXFA_XFA_FFDOC_H_
+#endif  // XFA_FXFA_CXFA_FFDOC_H_
diff --git a/xfa/fxfa/app/xfa_ffdochandler.cpp b/xfa/fxfa/cxfa_ffdochandler.cpp
similarity index 94%
rename from xfa/fxfa/app/xfa_ffdochandler.cpp
rename to xfa/fxfa/cxfa_ffdochandler.cpp
index db73531..a71bb20 100644
--- a/xfa/fxfa/app/xfa_ffdochandler.cpp
+++ b/xfa/fxfa/cxfa_ffdochandler.cpp
@@ -4,12 +4,12 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_ffdochandler.h"
+#include "xfa/fxfa/cxfa_ffdochandler.h"
 
+#include "xfa/fxfa/cxfa_checksumcontext.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
-#include "xfa/fxfa/xfa_checksum.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
 
 CXFA_FFDocHandler::CXFA_FFDocHandler() {}
 
diff --git a/xfa/fxfa/xfa_ffdochandler.h b/xfa/fxfa/cxfa_ffdochandler.h
similarity index 85%
rename from xfa/fxfa/xfa_ffdochandler.h
rename to xfa/fxfa/cxfa_ffdochandler.h
index 0e4f717..b54c36c 100644
--- a/xfa/fxfa/xfa_ffdochandler.h
+++ b/xfa/fxfa/cxfa_ffdochandler.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_FFDOCHANDLER_H_
-#define XFA_FXFA_XFA_FFDOCHANDLER_H_
+#ifndef XFA_FXFA_CXFA_FFDOCHANDLER_H_
+#define XFA_FXFA_CXFA_FFDOCHANDLER_H_
 
 #include "xfa/fxfa/fxfa.h"
 
@@ -24,8 +24,6 @@
                     const CFX_WideStringC& wsScript,
                     CFXJSE_Value* pRetValue,
                     CFXJSE_Value* pThisObject);
-
- protected:
 };
 
-#endif  // XFA_FXFA_XFA_FFDOCHANDLER_H_
+#endif  // XFA_FXFA_CXFA_FFDOCHANDLER_H_
diff --git a/xfa/fxfa/app/xfa_ffdocview.cpp b/xfa/fxfa/cxfa_ffdocview.cpp
similarity index 93%
rename from xfa/fxfa/app/xfa_ffdocview.cpp
rename to xfa/fxfa/cxfa_ffdocview.cpp
index f4ea3af..9708e34 100644
--- a/xfa/fxfa/app/xfa_ffdocview.cpp
+++ b/xfa/fxfa/cxfa_ffdocview.cpp
@@ -4,7 +4,7 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
 
 #include "core/fxcrt/fx_ext.h"
 #include "third_party/base/ptr_util.h"
@@ -25,15 +25,16 @@
 #include "xfa/fxfa/app/xfa_fftextedit.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffwidgethandler.h"
+#include "xfa/fxfa/cxfa_widgetacciterator.h"
 #include "xfa/fxfa/parser/cxfa_binditems.h"
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
-#include "xfa/fxfa/xfa_ffwidgethandler.h"
 
 const XFA_ATTRIBUTEENUM gs_EventActivity[] = {
     XFA_ATTRIBUTEENUM_Click,      XFA_ATTRIBUTEENUM_Change,
@@ -240,7 +241,7 @@
   }
   if (pFormNode->GetElementType() != XFA_Element::Field &&
       pFormNode->GetElementType() != XFA_Element::ExclGroup) {
-    CXFA_WidgetAccIterator Iterator(this, pFormNode);
+    CXFA_WidgetAccIterator Iterator(pFormNode);
     while (CXFA_WidgetAcc* pAcc = Iterator.MoveToNext()) {
       bChanged |= ResetSingleWidgetAccData(pAcc);
       if (pAcc->GetNode()->GetElementType() == XFA_Element::ExclGroup) {
@@ -306,11 +307,13 @@
 CXFA_WidgetAccIterator* CXFA_FFDocView::CreateWidgetAccIterator(
     XFA_WIDGETORDER eOrder) {
   CXFA_Node* pFormRoot = GetRootSubform();
-  return pFormRoot ? new CXFA_WidgetAccIterator(this, pFormRoot) : nullptr;
+  return pFormRoot ? new CXFA_WidgetAccIterator(pFormRoot) : nullptr;
 }
+
 CXFA_FFWidget* CXFA_FFDocView::GetFocusWidget() {
   return m_pFocusWidget;
 }
+
 void CXFA_FFDocView::KillFocus() {
   if (m_pFocusWidget &&
       (m_pFocusWidget->GetStatus() & XFA_WidgetStatus_Focused)) {
@@ -785,52 +788,3 @@
   }
   return pFormPacketNode->GetFirstChildByClass(XFA_Element::Subform);
 }
-
-CXFA_WidgetAccIterator::CXFA_WidgetAccIterator(CXFA_FFDocView* pDocView,
-                                               CXFA_Node* pTravelRoot)
-    : m_ContentIterator(pTravelRoot),
-      m_pDocView(pDocView),
-      m_pCurWidgetAcc(nullptr) {}
-
-CXFA_WidgetAccIterator::~CXFA_WidgetAccIterator() {}
-void CXFA_WidgetAccIterator::Reset() {
-  m_pCurWidgetAcc = nullptr;
-  m_ContentIterator.Reset();
-}
-
-CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToFirst() {
-  return nullptr;
-}
-
-CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToLast() {
-  return nullptr;
-}
-
-CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToNext() {
-  CXFA_Node* pItem = m_pCurWidgetAcc ? m_ContentIterator.MoveToNext()
-                                     : m_ContentIterator.GetCurrent();
-  while (pItem) {
-    m_pCurWidgetAcc = static_cast<CXFA_WidgetAcc*>(pItem->GetWidgetData());
-    if (m_pCurWidgetAcc)
-      return m_pCurWidgetAcc;
-    pItem = m_ContentIterator.MoveToNext();
-  }
-  return nullptr;
-}
-
-CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToPrevious() {
-  return nullptr;
-}
-
-CXFA_WidgetAcc* CXFA_WidgetAccIterator::GetCurrentWidgetAcc() {
-  return nullptr;
-}
-
-bool CXFA_WidgetAccIterator::SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget) {
-  return false;
-}
-
-void CXFA_WidgetAccIterator::SkipTree() {
-  m_ContentIterator.SkipChildrenAndMoveToNext();
-  m_pCurWidgetAcc = nullptr;
-}
diff --git a/xfa/fxfa/xfa_ffdocview.h b/xfa/fxfa/cxfa_ffdocview.h
similarity index 86%
rename from xfa/fxfa/xfa_ffdocview.h
rename to xfa/fxfa/cxfa_ffdocview.h
index d8df8b4..05ed9d7 100644
--- a/xfa/fxfa/xfa_ffdocview.h
+++ b/xfa/fxfa/cxfa_ffdocview.h
@@ -4,15 +4,15 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_FFDOCVIEW_H_
-#define XFA_FXFA_XFA_FFDOCVIEW_H_
+#ifndef XFA_FXFA_CXFA_FFDOCVIEW_H_
+#define XFA_FXFA_CXFA_FFDOCVIEW_H_
 
 #include <map>
 #include <memory>
 #include <vector>
 
 #include "xfa/fxfa/cxfa_eventparam.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
 
 class CXFA_FFWidgetHandler;
 class CXFA_FFDoc;
@@ -36,6 +36,7 @@
   XFA_DOCVIEW_LAYOUTSTATUS_DocReady,
   XFA_DOCVIEW_LAYOUTSTATUS_End
 };
+
 class CXFA_FFDocView {
  public:
   explicit CXFA_FFDocView(CXFA_FFDoc* pDoc);
@@ -103,7 +104,9 @@
   CXFA_FFWidget* m_pListFocusWidget;
   bool m_bInLayoutStatus;
 
- protected:
+ private:
+  friend class CXFA_FFNotify;
+
   bool RunEventLayoutReady();
   void RunBindItems();
   bool InitCalculate(CXFA_Node* pNode);
@@ -127,27 +130,6 @@
   std::vector<CXFA_Node*> m_IndexChangedSubforms;
   XFA_DOCVIEW_LAYOUTSTATUS m_iStatus;
   int32_t m_iLock;
-  friend class CXFA_FFNotify;
 };
 
-class CXFA_WidgetAccIterator {
- public:
-  CXFA_WidgetAccIterator(CXFA_FFDocView* pDocView, CXFA_Node* pTravelRoot);
-  ~CXFA_WidgetAccIterator();
-
-  void Reset();
-  CXFA_WidgetAcc* MoveToFirst();
-  CXFA_WidgetAcc* MoveToLast();
-  CXFA_WidgetAcc* MoveToNext();
-  CXFA_WidgetAcc* MoveToPrevious();
-  CXFA_WidgetAcc* GetCurrentWidgetAcc();
-  bool SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget);
-  void SkipTree();
-
- protected:
-  CXFA_ContainerIterator m_ContentIterator;
-  CXFA_FFDocView* const m_pDocView;
-  CXFA_WidgetAcc* m_pCurWidgetAcc;  // not owned.
-};
-
-#endif  // XFA_FXFA_XFA_FFDOCVIEW_H_
+#endif  // XFA_FXFA_CXFA_FFDOCVIEW_H_
diff --git a/xfa/fxfa/app/xfa_ffpageview.cpp b/xfa/fxfa/cxfa_ffpageview.cpp
similarity index 98%
rename from xfa/fxfa/app/xfa_ffpageview.cpp
rename to xfa/fxfa/cxfa_ffpageview.cpp
index d54e147..3eda5a1 100644
--- a/xfa/fxfa/app/xfa_ffpageview.cpp
+++ b/xfa/fxfa/cxfa_ffpageview.cpp
@@ -4,7 +4,7 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
 
 #include <memory>
 #include <vector>
@@ -19,9 +19,9 @@
 #include "xfa/fxfa/app/xfa_ffpushbutton.h"
 #include "xfa/fxfa/app/xfa_fftextedit.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 namespace {
 
diff --git a/xfa/fxfa/xfa_ffpageview.h b/xfa/fxfa/cxfa_ffpageview.h
similarity index 96%
rename from xfa/fxfa/xfa_ffpageview.h
rename to xfa/fxfa/cxfa_ffpageview.h
index 4b50a23..ee1b4e3 100644
--- a/xfa/fxfa/xfa_ffpageview.h
+++ b/xfa/fxfa/cxfa_ffpageview.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_FFPAGEVIEW_H_
-#define XFA_FXFA_XFA_FFPAGEVIEW_H_
+#ifndef XFA_FXFA_CXFA_FFPAGEVIEW_H_
+#define XFA_FXFA_CXFA_FFPAGEVIEW_H_
 
 #include <vector>
 
@@ -104,4 +104,4 @@
   bool m_bIgnorerelevant;
 };
 
-#endif  // XFA_FXFA_XFA_FFPAGEVIEW_H_
+#endif  // XFA_FXFA_CXFA_FFPAGEVIEW_H_
diff --git a/xfa/fxfa/app/xfa_ffwidget.cpp b/xfa/fxfa/cxfa_ffwidget.cpp
similarity index 99%
rename from xfa/fxfa/app/xfa_ffwidget.cpp
rename to xfa/fxfa/cxfa_ffwidget.cpp
index 2d52982..504ce70 100644
--- a/xfa/fxfa/app/xfa_ffwidget.cpp
+++ b/xfa/fxfa/cxfa_ffwidget.cpp
@@ -4,7 +4,7 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 
 #include <algorithm>
 #include <memory>
@@ -20,12 +20,12 @@
 #include "xfa/fwl/fwl_widgethit.h"
 #include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
-#include "xfa/fxfa/fxfa_widget.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_widgetacc.h"
 #include "xfa/fxfa/parser/cxfa_corner.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffpageview.h"
 #include "xfa/fxgraphics/cfx_color.h"
 #include "xfa/fxgraphics/cfx_graphics.h"
 #include "xfa/fxgraphics/cfx_path.h"
diff --git a/xfa/fxfa/xfa_ffwidget.h b/xfa/fxfa/cxfa_ffwidget.h
similarity index 98%
rename from xfa/fxfa/xfa_ffwidget.h
rename to xfa/fxfa/cxfa_ffwidget.h
index 7b92350..02a7b21 100644
--- a/xfa/fxfa/xfa_ffwidget.h
+++ b/xfa/fxfa/cxfa_ffwidget.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_FFWIDGET_H_
-#define XFA_FXFA_XFA_FFWIDGET_H_
+#ifndef XFA_FXFA_CXFA_FFWIDGET_H_
+#define XFA_FXFA_CXFA_FFWIDGET_H_
 
 #include <vector>
 
@@ -34,6 +34,47 @@
   XFA_WIDGETITEM_PrevSibling,
 };
 
+int32_t XFA_StrokeTypeSetLineDash(CFX_Graphics* pGraphics,
+                                  int32_t iStrokeType,
+                                  int32_t iCapType);
+CFX_GraphStateData::LineCap XFA_LineCapToFXGE(int32_t iLineCap);
+void XFA_DrawImage(CFX_Graphics* pGS,
+                   const CFX_RectF& rtImage,
+                   CFX_Matrix* pMatrix,
+                   CFX_DIBitmap* pDIBitmap,
+                   int32_t iAspect,
+                   int32_t iImageXDpi,
+                   int32_t iImageYDpi,
+                   int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left,
+                   int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top);
+
+CFX_DIBitmap* XFA_LoadImageData(CXFA_FFDoc* pDoc,
+                                CXFA_Image* pImage,
+                                bool& bNameImage,
+                                int32_t& iImageXDpi,
+                                int32_t& iImageYDpi);
+
+CFX_DIBitmap* XFA_LoadImageFromBuffer(
+    const CFX_RetainPtr<IFX_SeekableReadStream>& pImageFileRead,
+    FXCODEC_IMAGE_TYPE type,
+    int32_t& iImageXDpi,
+    int32_t& iImageYDpi);
+
+FXCODEC_IMAGE_TYPE XFA_GetImageType(const CFX_WideString& wsType);
+char* XFA_Base64Encode(const uint8_t* buf, int32_t buf_len);
+void XFA_RectWidthoutMargin(CFX_RectF& rt,
+                            const CXFA_Margin& mg,
+                            bool bUI = false);
+CXFA_FFWidget* XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem);
+bool XFA_IsCreateWidget(XFA_Element iType);
+#define XFA_DRAWBOX_ForceRound 1
+#define XFA_DRAWBOX_Lowered3D 2
+void XFA_DrawBox(CXFA_Box box,
+                 CFX_Graphics* pGS,
+                 const CFX_RectF& rtWidget,
+                 CFX_Matrix* pMatrix,
+                 uint32_t dwFlags = 0);
+
 class CXFA_CalcData {
  public:
   CXFA_CalcData();
@@ -146,45 +187,4 @@
   CFX_RectF m_rtWidget;
 };
 
-int32_t XFA_StrokeTypeSetLineDash(CFX_Graphics* pGraphics,
-                                  int32_t iStrokeType,
-                                  int32_t iCapType);
-CFX_GraphStateData::LineCap XFA_LineCapToFXGE(int32_t iLineCap);
-void XFA_DrawImage(CFX_Graphics* pGS,
-                   const CFX_RectF& rtImage,
-                   CFX_Matrix* pMatrix,
-                   CFX_DIBitmap* pDIBitmap,
-                   int32_t iAspect,
-                   int32_t iImageXDpi,
-                   int32_t iImageYDpi,
-                   int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left,
-                   int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top);
-
-CFX_DIBitmap* XFA_LoadImageData(CXFA_FFDoc* pDoc,
-                                CXFA_Image* pImage,
-                                bool& bNameImage,
-                                int32_t& iImageXDpi,
-                                int32_t& iImageYDpi);
-
-CFX_DIBitmap* XFA_LoadImageFromBuffer(
-    const CFX_RetainPtr<IFX_SeekableReadStream>& pImageFileRead,
-    FXCODEC_IMAGE_TYPE type,
-    int32_t& iImageXDpi,
-    int32_t& iImageYDpi);
-
-FXCODEC_IMAGE_TYPE XFA_GetImageType(const CFX_WideString& wsType);
-char* XFA_Base64Encode(const uint8_t* buf, int32_t buf_len);
-void XFA_RectWidthoutMargin(CFX_RectF& rt,
-                            const CXFA_Margin& mg,
-                            bool bUI = false);
-CXFA_FFWidget* XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem);
-bool XFA_IsCreateWidget(XFA_Element iType);
-#define XFA_DRAWBOX_ForceRound 1
-#define XFA_DRAWBOX_Lowered3D 2
-void XFA_DrawBox(CXFA_Box box,
-                 CFX_Graphics* pGS,
-                 const CFX_RectF& rtWidget,
-                 CFX_Matrix* pMatrix,
-                 uint32_t dwFlags = 0);
-
-#endif  // XFA_FXFA_XFA_FFWIDGET_H_
+#endif  // XFA_FXFA_CXFA_FFWIDGET_H_
diff --git a/xfa/fxfa/app/xfa_ffwidgethandler.cpp b/xfa/fxfa/cxfa_ffwidgethandler.cpp
similarity index 98%
rename from xfa/fxfa/app/xfa_ffwidgethandler.cpp
rename to xfa/fxfa/cxfa_ffwidgethandler.cpp
index 8ecc456..0af69da 100644
--- a/xfa/fxfa/app/xfa_ffwidgethandler.cpp
+++ b/xfa/fxfa/cxfa_ffwidgethandler.cpp
@@ -4,18 +4,18 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_ffwidgethandler.h"
+#include "xfa/fxfa/cxfa_ffwidgethandler.h"
 
 #include <vector>
 
 #include "xfa/fxfa/app/xfa_ffchoicelist.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_measurement.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffdocview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
 
 CXFA_FFWidgetHandler::CXFA_FFWidgetHandler(CXFA_FFDocView* pDocView)
     : m_pDocView(pDocView) {}
@@ -521,4 +521,3 @@
 CXFA_Document* CXFA_FFWidgetHandler::GetXFADoc() const {
   return m_pDocView->GetDoc()->GetXFADoc();
 }
-
diff --git a/xfa/fxfa/xfa_ffwidgethandler.h b/xfa/fxfa/cxfa_ffwidgethandler.h
similarity index 97%
rename from xfa/fxfa/xfa_ffwidgethandler.h
rename to xfa/fxfa/cxfa_ffwidgethandler.h
index 01bdd66..8f44dbb 100644
--- a/xfa/fxfa/xfa_ffwidgethandler.h
+++ b/xfa/fxfa/cxfa_ffwidgethandler.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_FFWIDGETHANDLER_H_
-#define XFA_FXFA_XFA_FFWIDGETHANDLER_H_
+#ifndef XFA_FXFA_CXFA_FFWIDGETHANDLER_H_
+#define XFA_FXFA_CXFA_FFWIDGETHANDLER_H_
 
 #include <vector>
 
@@ -65,7 +65,7 @@
   bool HasEvent(CXFA_WidgetAcc* pWidgetAcc, XFA_EVENTTYPE eEventType);
   int32_t ProcessEvent(CXFA_WidgetAcc* pWidgetAcc, CXFA_EventParam* pParam);
 
- protected:
+ private:
   CXFA_Node* CreateWidgetFormItem(XFA_WIDGETTYPE eType,
                                   CXFA_Node* pParent,
                                   CXFA_Node* pBefore) const;
@@ -116,4 +116,4 @@
   CXFA_FFDocView* m_pDocView;
 };
 
-#endif  //  XFA_FXFA_XFA_FFWIDGETHANDLER_H_
+#endif  //  XFA_FXFA_CXFA_FFWIDGETHANDLER_H_
diff --git a/xfa/fxfa/app/xfa_fontmgr.cpp b/xfa/fxfa/cxfa_fontmgr.cpp
similarity index 91%
rename from xfa/fxfa/app/xfa_fontmgr.cpp
rename to xfa/fxfa/cxfa_fontmgr.cpp
index d7e34fb..81e296f 100644
--- a/xfa/fxfa/app/xfa_fontmgr.cpp
+++ b/xfa/fxfa/cxfa_fontmgr.cpp
@@ -4,7 +4,7 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_fontmgr.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
 
 #include <algorithm>
 #include <memory>
@@ -15,18 +15,11 @@
 #include "core/fpdfapi/parser/cpdf_document.h"
 #include "third_party/base/ptr_util.h"
 #include "xfa/fgas/font/cfgas_gefont.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
 
 namespace {
 
-// The 5 names per entry are: PsName, Normal, Bold, Italic, BoldItalic.
-const char* const g_XFAPDFFontName[][5] = {
-    {"Adobe PI Std", "AdobePIStd", "AdobePIStd", "AdobePIStd", "AdobePIStd"},
-    {"Myriad Pro Light", "MyriadPro-Light", "MyriadPro-Semibold",
-     "MyriadPro-LightIt", "MyriadPro-SemiboldIt"},
-};
-
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 const XFA_FONTINFO g_XFAFontsMap[] = {
     {0x01d5d33e, L"SimSun", L"Arial", 0, 936},
@@ -1705,6 +1698,8 @@
 };
 #endif
 
+}  // namespace
+
 CFX_WideString XFA_LocalFontNameToEnglishName(
     const CFX_WideStringC& wsLocalName) {
   uint32_t dwLocalNameHash = FX_HashCode_GetW(wsLocalName, true);
@@ -1736,259 +1731,6 @@
   return nullptr;
 }
 
-}  // namespace
-
-CXFA_DefFontMgr::CXFA_DefFontMgr() {}
-
-CXFA_DefFontMgr::~CXFA_DefFontMgr() {}
-
-CFX_RetainPtr<CFGAS_GEFont> CXFA_DefFontMgr::GetFont(
-    CXFA_FFDoc* hDoc,
-    const CFX_WideStringC& wsFontFamily,
-    uint32_t dwFontStyles,
-    uint16_t wCodePage) {
-  CFX_WideString wsFontName(wsFontFamily);
-  CFGAS_FontMgr* pFDEFontMgr = hDoc->GetApp()->GetFDEFontMgr();
-  CFX_RetainPtr<CFGAS_GEFont> pFont =
-      pFDEFontMgr->LoadFont(wsFontName.c_str(), dwFontStyles, wCodePage);
-  if (!pFont) {
-    const XFA_FONTINFO* pCurFont =
-        XFA_GetFontINFOByFontName(wsFontName.AsStringC());
-    if (pCurFont && pCurFont->pReplaceFont) {
-      uint32_t dwStyle = 0;
-      if (dwFontStyles & FX_FONTSTYLE_Bold) {
-        dwStyle |= FX_FONTSTYLE_Bold;
-      }
-      if (dwFontStyles & FX_FONTSTYLE_Italic) {
-        dwStyle |= FX_FONTSTYLE_Italic;
-      }
-      const wchar_t* pReplace = pCurFont->pReplaceFont;
-      int32_t iLength = FXSYS_wcslen(pReplace);
-      while (iLength > 0) {
-        const wchar_t* pNameText = pReplace;
-        while (*pNameText != L',' && iLength > 0) {
-          pNameText++;
-          iLength--;
-        }
-        CFX_WideString wsReplace =
-            CFX_WideString(pReplace, pNameText - pReplace);
-        pFont = pFDEFontMgr->LoadFont(wsReplace.c_str(), dwStyle, wCodePage);
-        if (pFont)
-          break;
-
-        iLength--;
-        pNameText++;
-        pReplace = pNameText;
-      }
-    }
-  }
-  if (pFont)
-    m_CacheFonts.push_back(pFont);
-  return pFont;
-}
-
-CFX_RetainPtr<CFGAS_GEFont> CXFA_DefFontMgr::GetDefaultFont(
-    CXFA_FFDoc* hDoc,
-    const CFX_WideStringC& wsFontFamily,
-    uint32_t dwFontStyles,
-    uint16_t wCodePage) {
-  CFGAS_FontMgr* pFDEFontMgr = hDoc->GetApp()->GetFDEFontMgr();
-  CFX_RetainPtr<CFGAS_GEFont> pFont =
-      pFDEFontMgr->LoadFont(L"Arial Narrow", dwFontStyles, wCodePage);
-  if (!pFont) {
-    pFont = pFDEFontMgr->LoadFont(static_cast<const wchar_t*>(nullptr),
-                                  dwFontStyles, wCodePage);
-  }
-  if (pFont)
-    m_CacheFonts.push_back(pFont);
-  return pFont;
-}
-
-CXFA_PDFFontMgr::CXFA_PDFFontMgr(CXFA_FFDoc* pDoc) : m_pDoc(pDoc) {}
-
-CXFA_PDFFontMgr::~CXFA_PDFFontMgr() {}
-
-CFX_RetainPtr<CFGAS_GEFont> CXFA_PDFFontMgr::FindFont(
-    const CFX_ByteString& strPsName,
-    bool bBold,
-    bool bItalic,
-    CPDF_Font** pDstPDFFont,
-    bool bStrictMatch) {
-  CPDF_Document* pDoc = m_pDoc->GetPDFDoc();
-  if (!pDoc)
-    return nullptr;
-
-  CPDF_Dictionary* pFontSetDict =
-      pDoc->GetRoot()->GetDictFor("AcroForm")->GetDictFor("DR");
-  if (!pFontSetDict)
-    return nullptr;
-
-  pFontSetDict = pFontSetDict->GetDictFor("Font");
-  if (!pFontSetDict)
-    return nullptr;
-
-  CFX_ByteString name = strPsName;
-  name.Remove(' ');
-  CFGAS_FontMgr* pFDEFontMgr = m_pDoc->GetApp()->GetFDEFontMgr();
-  for (const auto& it : *pFontSetDict) {
-    const CFX_ByteString& key = it.first;
-    CPDF_Object* pObj = it.second.get();
-    if (!PsNameMatchDRFontName(name.AsStringC(), bBold, bItalic, key,
-                               bStrictMatch)) {
-      continue;
-    }
-    CPDF_Dictionary* pFontDict = ToDictionary(pObj->GetDirect());
-    if (!pFontDict || pFontDict->GetStringFor("Type") != "Font") {
-      return nullptr;
-    }
-    CPDF_Font* pPDFFont = pDoc->LoadFont(pFontDict);
-    if (!pPDFFont) {
-      return nullptr;
-    }
-    if (!pPDFFont->IsEmbedded()) {
-      *pDstPDFFont = pPDFFont;
-      return nullptr;
-    }
-    return CFGAS_GEFont::LoadFont(&pPDFFont->m_Font, pFDEFontMgr);
-  }
-  return nullptr;
-}
-
-CFX_RetainPtr<CFGAS_GEFont> CXFA_PDFFontMgr::GetFont(
-    const CFX_WideStringC& wsFontFamily,
-    uint32_t dwFontStyles,
-    CPDF_Font** pPDFFont,
-    bool bStrictMatch) {
-  uint32_t dwHashCode = FX_HashCode_GetW(wsFontFamily, false);
-  CFX_ByteString strKey;
-  strKey.Format("%u%u", dwHashCode, dwFontStyles);
-  auto it = m_FontMap.find(strKey);
-  if (it != m_FontMap.end())
-    return it->second;
-  CFX_ByteString bsPsName =
-      CFX_ByteString::FromUnicode(CFX_WideString(wsFontFamily));
-  bool bBold = (dwFontStyles & FX_FONTSTYLE_Bold) == FX_FONTSTYLE_Bold;
-  bool bItalic = (dwFontStyles & FX_FONTSTYLE_Italic) == FX_FONTSTYLE_Italic;
-  CFX_ByteString strFontName = PsNameToFontName(bsPsName, bBold, bItalic);
-  CFX_RetainPtr<CFGAS_GEFont> pFont =
-      FindFont(strFontName, bBold, bItalic, pPDFFont, bStrictMatch);
-  if (pFont)
-    m_FontMap[strKey] = pFont;
-  return pFont;
-}
-
-CFX_ByteString CXFA_PDFFontMgr::PsNameToFontName(
-    const CFX_ByteString& strPsName,
-    bool bBold,
-    bool bItalic) {
-  for (size_t i = 0; i < FX_ArraySize(g_XFAPDFFontName); ++i) {
-    if (strPsName == g_XFAPDFFontName[i][0]) {
-      size_t index = 1;
-      if (bBold)
-        ++index;
-      if (bItalic)
-        index += 2;
-      return g_XFAPDFFontName[i][index];
-    }
-  }
-  return strPsName;
-}
-
-bool CXFA_PDFFontMgr::PsNameMatchDRFontName(const CFX_ByteStringC& bsPsName,
-                                            bool bBold,
-                                            bool bItalic,
-                                            const CFX_ByteString& bsDRFontName,
-                                            bool bStrictMatch) {
-  CFX_ByteString bsDRName = bsDRFontName;
-  bsDRName.Remove('-');
-  int32_t iPsLen = bsPsName.GetLength();
-  int32_t nIndex = bsDRName.Find(bsPsName);
-  if (nIndex != -1 && !bStrictMatch)
-    return true;
-
-  if (nIndex != 0)
-    return false;
-
-  int32_t iDifferLength = bsDRName.GetLength() - iPsLen;
-  if (iDifferLength > 1 || (bBold || bItalic)) {
-    int32_t iBoldIndex = bsDRName.Find("Bold");
-    bool bBoldFont = iBoldIndex > 0;
-    if (bBold != bBoldFont)
-      return false;
-
-    if (bBoldFont) {
-      iDifferLength =
-          std::min(iDifferLength - 4, bsDRName.GetLength() - iBoldIndex - 4);
-    }
-    bool bItalicFont = true;
-    if (bsDRName.Find("Italic") > 0) {
-      iDifferLength -= 6;
-    } else if (bsDRName.Find("It") > 0) {
-      iDifferLength -= 2;
-    } else if (bsDRName.Find("Oblique") > 0) {
-      iDifferLength -= 7;
-    } else {
-      bItalicFont = false;
-    }
-    if (bItalic != bItalicFont)
-      return false;
-
-    if (iDifferLength > 1) {
-      CFX_ByteString bsDRTailer = bsDRName.Right(iDifferLength);
-      if (bsDRTailer == "MT" || bsDRTailer == "PSMT" ||
-          bsDRTailer == "Regular" || bsDRTailer == "Reg") {
-        return true;
-      }
-      if (bBoldFont || bItalicFont)
-        return false;
-
-      bool bMatch = false;
-      switch (bsPsName.GetAt(iPsLen - 1)) {
-        case 'L': {
-          if (bsDRName.Right(5) == "Light") {
-            bMatch = true;
-          }
-        } break;
-        case 'R': {
-          if (bsDRName.Right(7) == "Regular" || bsDRName.Right(3) == "Reg") {
-            bMatch = true;
-          }
-        } break;
-        case 'M': {
-          if (bsDRName.Right(5) == "Medium") {
-            bMatch = true;
-          }
-        } break;
-        default:
-          break;
-      }
-      return bMatch;
-    }
-  }
-  return true;
-}
-
-bool CXFA_PDFFontMgr::GetCharWidth(const CFX_RetainPtr<CFGAS_GEFont>& pFont,
-                                   wchar_t wUnicode,
-                                   bool bCharCode,
-                                   int32_t* pWidth) {
-  if (wUnicode != 0x20 || bCharCode)
-    return false;
-
-  auto it = m_FDE2PDFFont.find(pFont);
-  if (it == m_FDE2PDFFont.end())
-    return false;
-
-  CPDF_Font* pPDFFont = it->second;
-  *pWidth = pPDFFont->GetCharWidthF(pPDFFont->CharCodeFromUnicode(wUnicode));
-  return true;
-}
-
-void CXFA_PDFFontMgr::SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont,
-                              CPDF_Font* pPDFFont) {
-  m_FDE2PDFFont[pFont] = pPDFFont;
-}
-
 CXFA_FontMgr::CXFA_FontMgr() {}
 
 CXFA_FontMgr::~CXFA_FontMgr() {}
diff --git a/xfa/fxfa/cxfa_fontmgr.h b/xfa/fxfa/cxfa_fontmgr.h
new file mode 100644
index 0000000..8652a34
--- /dev/null
+++ b/xfa/fxfa/cxfa_fontmgr.h
@@ -0,0 +1,56 @@
+// 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
+
+#ifndef XFA_FXFA_CXFA_FONTMGR_H_
+#define XFA_FXFA_CXFA_FONTMGR_H_
+
+#include <map>
+#include <memory>
+#include <vector>
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_ext.h"
+#include "core/fxcrt/fx_system.h"
+#include "xfa/fgas/font/cfgas_fontmgr.h"
+#include "xfa/fxfa/cxfa_deffontmgr.h"
+#include "xfa/fxfa/cxfa_pdffontmgr.h"
+#include "xfa/fxfa/fxfa.h"
+
+class CPDF_Font;
+
+struct XFA_FONTINFO {
+  uint32_t dwFontNameHash;
+  const wchar_t* pPsName;
+  const wchar_t* pReplaceFont;
+  uint16_t dwStyles;
+  uint16_t wCodePage;
+};
+
+CFX_WideString XFA_LocalFontNameToEnglishName(
+    const CFX_WideStringC& wsLocalName);
+const XFA_FONTINFO* XFA_GetFontINFOByFontName(
+    const CFX_WideStringC& wsFontName);
+
+class CXFA_FontMgr {
+ public:
+  CXFA_FontMgr();
+  ~CXFA_FontMgr();
+
+  CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_FFDoc* hDoc,
+                                      const CFX_WideStringC& wsFontFamily,
+                                      uint32_t dwFontStyles,
+                                      uint16_t wCodePage = 0xFFFF);
+  void LoadDocFonts(CXFA_FFDoc* hDoc);
+  void ReleaseDocFonts(CXFA_FFDoc* hDoc);
+  void SetDefFontMgr(std::unique_ptr<CXFA_DefFontMgr> pFontMgr);
+
+ private:
+  std::unique_ptr<CXFA_DefFontMgr> m_pDefFontMgr;
+  std::map<CXFA_FFDoc*, std::unique_ptr<CXFA_PDFFontMgr>> m_PDFFontMgrMap;
+  std::map<CFX_ByteString, CFX_RetainPtr<CFGAS_GEFont>> m_FontMap;
+};
+
+#endif  //  XFA_FXFA_CXFA_FONTMGR_H_
diff --git a/xfa/fxfa/cxfa_pdffontmgr.cpp b/xfa/fxfa/cxfa_pdffontmgr.cpp
new file mode 100644
index 0000000..cadb7cb
--- /dev/null
+++ b/xfa/fxfa/cxfa_pdffontmgr.cpp
@@ -0,0 +1,208 @@
+// Copyright 2017 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/cxfa_pdffontmgr.h"
+
+#include <algorithm>
+
+#include "core/fpdfapi/font/cpdf_font.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+
+namespace {
+
+// The 5 names per entry are: PsName, Normal, Bold, Italic, BoldItalic.
+const char* const g_XFAPDFFontName[][5] = {
+    {"Adobe PI Std", "AdobePIStd", "AdobePIStd", "AdobePIStd", "AdobePIStd"},
+    {"Myriad Pro Light", "MyriadPro-Light", "MyriadPro-Semibold",
+     "MyriadPro-LightIt", "MyriadPro-SemiboldIt"},
+};
+
+}  // namespace
+
+CXFA_PDFFontMgr::CXFA_PDFFontMgr(CXFA_FFDoc* pDoc) : m_pDoc(pDoc) {}
+
+CXFA_PDFFontMgr::~CXFA_PDFFontMgr() {}
+
+CFX_RetainPtr<CFGAS_GEFont> CXFA_PDFFontMgr::FindFont(
+    const CFX_ByteString& strPsName,
+    bool bBold,
+    bool bItalic,
+    CPDF_Font** pDstPDFFont,
+    bool bStrictMatch) {
+  CPDF_Document* pDoc = m_pDoc->GetPDFDoc();
+  if (!pDoc)
+    return nullptr;
+
+  CPDF_Dictionary* pFontSetDict =
+      pDoc->GetRoot()->GetDictFor("AcroForm")->GetDictFor("DR");
+  if (!pFontSetDict)
+    return nullptr;
+
+  pFontSetDict = pFontSetDict->GetDictFor("Font");
+  if (!pFontSetDict)
+    return nullptr;
+
+  CFX_ByteString name = strPsName;
+  name.Remove(' ');
+  CFGAS_FontMgr* pFDEFontMgr = m_pDoc->GetApp()->GetFDEFontMgr();
+  for (const auto& it : *pFontSetDict) {
+    const CFX_ByteString& key = it.first;
+    CPDF_Object* pObj = it.second.get();
+    if (!PsNameMatchDRFontName(name.AsStringC(), bBold, bItalic, key,
+                               bStrictMatch)) {
+      continue;
+    }
+    CPDF_Dictionary* pFontDict = ToDictionary(pObj->GetDirect());
+    if (!pFontDict || pFontDict->GetStringFor("Type") != "Font") {
+      return nullptr;
+    }
+    CPDF_Font* pPDFFont = pDoc->LoadFont(pFontDict);
+    if (!pPDFFont) {
+      return nullptr;
+    }
+    if (!pPDFFont->IsEmbedded()) {
+      *pDstPDFFont = pPDFFont;
+      return nullptr;
+    }
+    return CFGAS_GEFont::LoadFont(&pPDFFont->m_Font, pFDEFontMgr);
+  }
+  return nullptr;
+}
+
+CFX_RetainPtr<CFGAS_GEFont> CXFA_PDFFontMgr::GetFont(
+    const CFX_WideStringC& wsFontFamily,
+    uint32_t dwFontStyles,
+    CPDF_Font** pPDFFont,
+    bool bStrictMatch) {
+  uint32_t dwHashCode = FX_HashCode_GetW(wsFontFamily, false);
+  CFX_ByteString strKey;
+  strKey.Format("%u%u", dwHashCode, dwFontStyles);
+  auto it = m_FontMap.find(strKey);
+  if (it != m_FontMap.end())
+    return it->second;
+  CFX_ByteString bsPsName =
+      CFX_ByteString::FromUnicode(CFX_WideString(wsFontFamily));
+  bool bBold = (dwFontStyles & FX_FONTSTYLE_Bold) == FX_FONTSTYLE_Bold;
+  bool bItalic = (dwFontStyles & FX_FONTSTYLE_Italic) == FX_FONTSTYLE_Italic;
+  CFX_ByteString strFontName = PsNameToFontName(bsPsName, bBold, bItalic);
+  CFX_RetainPtr<CFGAS_GEFont> pFont =
+      FindFont(strFontName, bBold, bItalic, pPDFFont, bStrictMatch);
+  if (pFont)
+    m_FontMap[strKey] = pFont;
+  return pFont;
+}
+
+CFX_ByteString CXFA_PDFFontMgr::PsNameToFontName(
+    const CFX_ByteString& strPsName,
+    bool bBold,
+    bool bItalic) {
+  for (size_t i = 0; i < FX_ArraySize(g_XFAPDFFontName); ++i) {
+    if (strPsName == g_XFAPDFFontName[i][0]) {
+      size_t index = 1;
+      if (bBold)
+        ++index;
+      if (bItalic)
+        index += 2;
+      return g_XFAPDFFontName[i][index];
+    }
+  }
+  return strPsName;
+}
+
+bool CXFA_PDFFontMgr::PsNameMatchDRFontName(const CFX_ByteStringC& bsPsName,
+                                            bool bBold,
+                                            bool bItalic,
+                                            const CFX_ByteString& bsDRFontName,
+                                            bool bStrictMatch) {
+  CFX_ByteString bsDRName = bsDRFontName;
+  bsDRName.Remove('-');
+  int32_t iPsLen = bsPsName.GetLength();
+  int32_t nIndex = bsDRName.Find(bsPsName);
+  if (nIndex != -1 && !bStrictMatch)
+    return true;
+
+  if (nIndex != 0)
+    return false;
+
+  int32_t iDifferLength = bsDRName.GetLength() - iPsLen;
+  if (iDifferLength > 1 || (bBold || bItalic)) {
+    int32_t iBoldIndex = bsDRName.Find("Bold");
+    bool bBoldFont = iBoldIndex > 0;
+    if (bBold != bBoldFont)
+      return false;
+
+    if (bBoldFont) {
+      iDifferLength =
+          std::min(iDifferLength - 4, bsDRName.GetLength() - iBoldIndex - 4);
+    }
+    bool bItalicFont = true;
+    if (bsDRName.Find("Italic") > 0) {
+      iDifferLength -= 6;
+    } else if (bsDRName.Find("It") > 0) {
+      iDifferLength -= 2;
+    } else if (bsDRName.Find("Oblique") > 0) {
+      iDifferLength -= 7;
+    } else {
+      bItalicFont = false;
+    }
+    if (bItalic != bItalicFont)
+      return false;
+
+    if (iDifferLength > 1) {
+      CFX_ByteString bsDRTailer = bsDRName.Right(iDifferLength);
+      if (bsDRTailer == "MT" || bsDRTailer == "PSMT" ||
+          bsDRTailer == "Regular" || bsDRTailer == "Reg") {
+        return true;
+      }
+      if (bBoldFont || bItalicFont)
+        return false;
+
+      bool bMatch = false;
+      switch (bsPsName.GetAt(iPsLen - 1)) {
+        case 'L': {
+          if (bsDRName.Right(5) == "Light") {
+            bMatch = true;
+          }
+        } break;
+        case 'R': {
+          if (bsDRName.Right(7) == "Regular" || bsDRName.Right(3) == "Reg") {
+            bMatch = true;
+          }
+        } break;
+        case 'M': {
+          if (bsDRName.Right(5) == "Medium") {
+            bMatch = true;
+          }
+        } break;
+        default:
+          break;
+      }
+      return bMatch;
+    }
+  }
+  return true;
+}
+
+bool CXFA_PDFFontMgr::GetCharWidth(const CFX_RetainPtr<CFGAS_GEFont>& pFont,
+                                   wchar_t wUnicode,
+                                   bool bCharCode,
+                                   int32_t* pWidth) {
+  if (wUnicode != 0x20 || bCharCode)
+    return false;
+
+  auto it = m_FDE2PDFFont.find(pFont);
+  if (it == m_FDE2PDFFont.end())
+    return false;
+
+  CPDF_Font* pPDFFont = it->second;
+  *pWidth = pPDFFont->GetCharWidthF(pPDFFont->CharCodeFromUnicode(wUnicode));
+  return true;
+}
+
+void CXFA_PDFFontMgr::SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont,
+                              CPDF_Font* pPDFFont) {
+  m_FDE2PDFFont[pFont] = pPDFFont;
+}
diff --git a/xfa/fxfa/cxfa_pdffontmgr.h b/xfa/fxfa/cxfa_pdffontmgr.h
new file mode 100644
index 0000000..1188ce1
--- /dev/null
+++ b/xfa/fxfa/cxfa_pdffontmgr.h
@@ -0,0 +1,57 @@
+// Copyright 2017 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
+
+#ifndef XFA_FXFA_CXFA_PDFFONTMGR_H_
+#define XFA_FXFA_CXFA_PDFFONTMGR_H_
+
+#include <map>
+
+#include "core/fpdfapi/parser/cpdf_dictionary.h"
+#include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_string.h"
+#include "xfa/fgas/font/cfgas_gefont.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+
+class CPDF_Font;
+class CXFA_FFDoc;
+
+class CXFA_PDFFontMgr {
+ public:
+  explicit CXFA_PDFFontMgr(CXFA_FFDoc* pDoc);
+  ~CXFA_PDFFontMgr();
+
+  CFX_RetainPtr<CFGAS_GEFont> GetFont(const CFX_WideStringC& wsFontFamily,
+                                      uint32_t dwFontStyles,
+                                      CPDF_Font** pPDFFont,
+                                      bool bStrictMatch);
+  bool GetCharWidth(const CFX_RetainPtr<CFGAS_GEFont>& pFont,
+                    wchar_t wUnicode,
+                    bool bCharCode,
+                    int32_t* pWidth);
+  void SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont, CPDF_Font* pPDFFont);
+
+ private:
+  CFX_RetainPtr<CFGAS_GEFont> FindFont(const CFX_ByteString& strFamilyName,
+                                       bool bBold,
+                                       bool bItalic,
+                                       CPDF_Font** pPDFFont,
+                                       bool bStrictMatch);
+  CFX_ByteString PsNameToFontName(const CFX_ByteString& strPsName,
+                                  bool bBold,
+                                  bool bItalic);
+  bool PsNameMatchDRFontName(const CFX_ByteStringC& bsPsName,
+                             bool bBold,
+                             bool bItalic,
+                             const CFX_ByteString& bsDRFontName,
+                             bool bStrictMatch);
+
+  CXFA_FFDoc* const m_pDoc;
+  std::map<CFX_RetainPtr<CFGAS_GEFont>, CPDF_Font*> m_FDE2PDFFont;
+  std::map<CFX_ByteString, CFX_RetainPtr<CFGAS_GEFont>> m_FontMap;
+};
+
+#endif  // XFA_FXFA_CXFA_PDFFONTMGR_H_
diff --git a/xfa/fxfa/app/xfa_rendercontext.cpp b/xfa/fxfa/cxfa_rendercontext.cpp
similarity index 94%
rename from xfa/fxfa/app/xfa_rendercontext.cpp
rename to xfa/fxfa/cxfa_rendercontext.cpp
index a855105..ecb4291 100644
--- a/xfa/fxfa/app/xfa_rendercontext.cpp
+++ b/xfa/fxfa/cxfa_rendercontext.cpp
@@ -4,10 +4,10 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fxfa/xfa_rendercontext.h"
+#include "xfa/fxfa/cxfa_rendercontext.h"
 
-#include "xfa/fxfa/xfa_ffpageview.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_graphics.h"
 
 namespace {
diff --git a/xfa/fxfa/xfa_rendercontext.h b/xfa/fxfa/cxfa_rendercontext.h
similarity index 88%
rename from xfa/fxfa/xfa_rendercontext.h
rename to xfa/fxfa/cxfa_rendercontext.h
index c424005..960bd05 100644
--- a/xfa/fxfa/xfa_rendercontext.h
+++ b/xfa/fxfa/cxfa_rendercontext.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_XFA_RENDERCONTEXT_H_
-#define XFA_FXFA_XFA_RENDERCONTEXT_H_
+#ifndef XFA_FXFA_CXFA_RENDERCONTEXT_H_
+#define XFA_FXFA_CXFA_RENDERCONTEXT_H_
 
 #include <memory>
 
@@ -31,7 +31,7 @@
   int32_t DoRender(IFX_Pause* pPause = nullptr);
   void StopRender();
 
- protected:
+ private:
   std::unique_ptr<IXFA_WidgetIterator> m_pWidgetIterator;
   CXFA_FFWidget* m_pWidget;
   CXFA_FFPageView* m_pPageView;
@@ -42,4 +42,4 @@
   CFX_RectF m_rtClipRect;
 };
 
-#endif  // XFA_FXFA_XFA_RENDERCONTEXT_H_
+#endif  // XFA_FXFA_CXFA_RENDERCONTEXT_H_
diff --git a/xfa/fxfa/cxfa_saxcontext.h b/xfa/fxfa/cxfa_saxcontext.h
new file mode 100644
index 0000000..47e7b78
--- /dev/null
+++ b/xfa/fxfa/cxfa_saxcontext.h
@@ -0,0 +1,19 @@
+// Copyright 2017 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
+
+#ifndef XFA_FXFA_CXFA_SAXCONTEXT_H_
+#define XFA_FXFA_CXFA_SAXCONTEXT_H_
+
+class CXFA_SAXContext {
+ public:
+  CXFA_SAXContext() : m_eNode(CFX_SAXItem::Type::Unknown) {}
+
+  CFX_ByteTextBuf m_TextBuf;
+  CFX_ByteString m_bsTagName;
+  CFX_SAXItem::Type m_eNode;
+};
+
+#endif  // XFA_FXFA_CXFA_SAXCONTEXT_H_
diff --git a/xfa/fxfa/cxfa_saxreaderhandler.cpp b/xfa/fxfa/cxfa_saxreaderhandler.cpp
new file mode 100644
index 0000000..c09bdf5
--- /dev/null
+++ b/xfa/fxfa/cxfa_saxreaderhandler.cpp
@@ -0,0 +1,129 @@
+// Copyright 2017 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/cxfa_saxreaderhandler.h"
+
+#include "xfa/fxfa/cxfa_checksumcontext.h"
+
+CXFA_SAXReaderHandler::CXFA_SAXReaderHandler(CXFA_ChecksumContext* pContext)
+    : m_pContext(pContext) {
+  ASSERT(m_pContext);
+}
+
+CXFA_SAXReaderHandler::~CXFA_SAXReaderHandler() {}
+
+CXFA_SAXContext* CXFA_SAXReaderHandler::OnTagEnter(
+    const CFX_ByteStringC& bsTagName,
+    CFX_SAXItem::Type eType,
+    uint32_t dwStartPos) {
+  UpdateChecksum(true);
+  if (eType != CFX_SAXItem::Type::Tag &&
+      eType != CFX_SAXItem::Type::Instruction) {
+    return nullptr;
+  }
+
+  m_SAXContext.m_eNode = eType;
+  CFX_ByteTextBuf& textBuf = m_SAXContext.m_TextBuf;
+  textBuf << "<";
+  if (eType == CFX_SAXItem::Type::Instruction)
+    textBuf << "?";
+
+  textBuf << bsTagName;
+  m_SAXContext.m_bsTagName = bsTagName;
+  return &m_SAXContext;
+}
+
+void CXFA_SAXReaderHandler::OnTagAttribute(CXFA_SAXContext* pTag,
+                                           const CFX_ByteStringC& bsAttri,
+                                           const CFX_ByteStringC& bsValue) {
+  if (!pTag)
+    return;
+  pTag->m_TextBuf << " " << bsAttri << "=\"" << bsValue << "\"";
+}
+
+void CXFA_SAXReaderHandler::OnTagBreak(CXFA_SAXContext* pTag) {
+  if (!pTag)
+    return;
+
+  pTag->m_TextBuf << ">";
+  UpdateChecksum(false);
+}
+
+void CXFA_SAXReaderHandler::OnTagData(CXFA_SAXContext* pTag,
+                                      CFX_SAXItem::Type eType,
+                                      const CFX_ByteStringC& bsData,
+                                      uint32_t dwStartPos) {
+  if (!pTag)
+    return;
+
+  CFX_ByteTextBuf& textBuf = pTag->m_TextBuf;
+  if (eType == CFX_SAXItem::Type::CharData)
+    textBuf << "<![CDATA[";
+
+  textBuf << bsData;
+  if (eType == CFX_SAXItem::Type::CharData)
+    textBuf << "]]>";
+}
+
+void CXFA_SAXReaderHandler::OnTagClose(CXFA_SAXContext* pTag,
+                                       uint32_t dwEndPos) {
+  if (!pTag)
+    return;
+
+  CFX_ByteTextBuf& textBuf = pTag->m_TextBuf;
+  if (pTag->m_eNode == CFX_SAXItem::Type::Instruction)
+    textBuf << "?>";
+  else if (pTag->m_eNode == CFX_SAXItem::Type::Tag)
+    textBuf << "></" << pTag->m_bsTagName.AsStringC() << ">";
+
+  UpdateChecksum(false);
+}
+
+void CXFA_SAXReaderHandler::OnTagEnd(CXFA_SAXContext* pTag,
+                                     const CFX_ByteStringC& bsTagName,
+                                     uint32_t dwEndPos) {
+  if (!pTag)
+    return;
+
+  pTag->m_TextBuf << "</" << bsTagName << ">";
+  UpdateChecksum(false);
+}
+
+void CXFA_SAXReaderHandler::OnTargetData(CXFA_SAXContext* pTag,
+                                         CFX_SAXItem::Type eType,
+                                         const CFX_ByteStringC& bsData,
+                                         uint32_t dwStartPos) {
+  if (!pTag && eType != CFX_SAXItem::Type::Comment)
+    return;
+
+  if (eType == CFX_SAXItem::Type::Comment) {
+    m_SAXContext.m_TextBuf << "<!--" << bsData << "-->";
+    UpdateChecksum(false);
+  } else {
+    pTag->m_TextBuf << " " << bsData;
+  }
+}
+
+void CXFA_SAXReaderHandler::UpdateChecksum(bool bCheckSpace) {
+  int32_t iLength = m_SAXContext.m_TextBuf.GetLength();
+  if (iLength < 1)
+    return;
+
+  uint8_t* pBuffer = m_SAXContext.m_TextBuf.GetBuffer();
+  bool bUpdata = true;
+  if (bCheckSpace) {
+    bUpdata = false;
+    for (int32_t i = 0; i < iLength; i++) {
+      bUpdata = (pBuffer[i] > 0x20);
+      if (bUpdata)
+        break;
+    }
+  }
+  if (bUpdata)
+    m_pContext->Update(CFX_ByteStringC(pBuffer, iLength));
+
+  m_SAXContext.m_TextBuf.Clear();
+}
diff --git a/xfa/fxfa/cxfa_saxreaderhandler.h b/xfa/fxfa/cxfa_saxreaderhandler.h
new file mode 100644
index 0000000..3ad6932
--- /dev/null
+++ b/xfa/fxfa/cxfa_saxreaderhandler.h
@@ -0,0 +1,49 @@
+// Copyright 2017 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
+
+#ifndef XFA_FXFA_CXFA_SAXREADERHANDLER_H_
+#define XFA_FXFA_CXFA_SAXREADERHANDLER_H_
+
+#include "core/fxcrt/fx_string.h"
+#include "xfa/fde/xml/cfx_saxreader.h"
+#include "xfa/fxfa/cxfa_saxcontext.h"
+
+class CXFA_ChecksumContext;
+
+class CXFA_SAXReaderHandler {
+ public:
+  explicit CXFA_SAXReaderHandler(CXFA_ChecksumContext* pContext);
+  ~CXFA_SAXReaderHandler();
+
+  CXFA_SAXContext* OnTagEnter(const CFX_ByteStringC& bsTagName,
+                              CFX_SAXItem::Type eType,
+                              uint32_t dwStartPos);
+  void OnTagAttribute(CXFA_SAXContext* pTag,
+                      const CFX_ByteStringC& bsAttri,
+                      const CFX_ByteStringC& bsValue);
+  void OnTagBreak(CXFA_SAXContext* pTag);
+  void OnTagData(CXFA_SAXContext* pTag,
+                 CFX_SAXItem::Type eType,
+                 const CFX_ByteStringC& bsData,
+                 uint32_t dwStartPos);
+  void OnTagClose(CXFA_SAXContext* pTag, uint32_t dwEndPos);
+  void OnTagEnd(CXFA_SAXContext* pTag,
+                const CFX_ByteStringC& bsTagName,
+                uint32_t dwEndPos);
+
+  void OnTargetData(CXFA_SAXContext* pTag,
+                    CFX_SAXItem::Type eType,
+                    const CFX_ByteStringC& bsData,
+                    uint32_t dwStartPos);
+
+ private:
+  void UpdateChecksum(bool bCheckSpace);
+
+  CXFA_ChecksumContext* m_pContext;
+  CXFA_SAXContext m_SAXContext;
+};
+
+#endif  // XFA_FXFA_CXFA_SAXREADERHANDLER_H_
diff --git a/xfa/fxfa/cxfa_widgetacc.cpp b/xfa/fxfa/cxfa_widgetacc.cpp
new file mode 100644
index 0000000..4c8e372
--- /dev/null
+++ b/xfa/fxfa/cxfa_widgetacc.cpp
@@ -0,0 +1,1549 @@
+// Copyright 2017 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/cxfa_widgetacc.h"
+
+#include <algorithm>
+#include <vector>
+
+#include "third_party/base/stl_util.h"
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fde/xml/fde_xml_imp.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
+#include "xfa/fxfa/app/xfa_ffwidgetacc.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffdocview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
+#include "xfa/fxfa/cxfa_fontmgr.h"
+#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
+#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
+#include "xfa/fxfa/parser/xfa_localevalue.h"
+#include "xfa/fxfa/parser/xfa_utils.h"
+
+class CXFA_WidgetLayoutData {
+ public:
+  CXFA_WidgetLayoutData() : m_fWidgetHeight(-1) {}
+  virtual ~CXFA_WidgetLayoutData() {}
+
+  float m_fWidgetHeight;
+};
+
+namespace {
+
+void FFDeleteCalcData(void* pData) {
+  if (pData)
+    delete ((CXFA_CalcData*)pData);
+}
+
+static XFA_MAPDATABLOCKCALLBACKINFO gs_XFADeleteCalcData = {FFDeleteCalcData,
+                                                            nullptr};
+
+class CXFA_TextLayoutData : public CXFA_WidgetLayoutData {
+ public:
+  CXFA_TextLayoutData() {}
+  ~CXFA_TextLayoutData() override {}
+
+  CXFA_TextLayout* GetTextLayout() const { return m_pTextLayout.get(); }
+  CXFA_TextProvider* GetTextProvider() const { return m_pTextProvider.get(); }
+
+  void LoadText(CXFA_WidgetAcc* pAcc) {
+    if (m_pTextLayout)
+      return;
+
+    m_pTextProvider =
+        pdfium::MakeUnique<CXFA_TextProvider>(pAcc, XFA_TEXTPROVIDERTYPE_Text);
+    m_pTextLayout = pdfium::MakeUnique<CXFA_TextLayout>(m_pTextProvider.get());
+  }
+
+ private:
+  std::unique_ptr<CXFA_TextLayout> m_pTextLayout;
+  std::unique_ptr<CXFA_TextProvider> m_pTextProvider;
+};
+
+class CXFA_ImageLayoutData : public CXFA_WidgetLayoutData {
+ public:
+  CXFA_ImageLayoutData()
+      : m_pDIBitmap(nullptr),
+        m_bNamedImage(false),
+        m_iImageXDpi(0),
+        m_iImageYDpi(0) {}
+
+  ~CXFA_ImageLayoutData() override {
+    if (m_pDIBitmap && !m_bNamedImage)
+      delete m_pDIBitmap;
+  }
+
+  bool LoadImageData(CXFA_WidgetAcc* pAcc) {
+    if (m_pDIBitmap)
+      return true;
+
+    CXFA_Value value = pAcc->GetFormValue();
+    if (!value)
+      return false;
+
+    CXFA_Image imageObj = value.GetImage();
+    if (!imageObj)
+      return false;
+
+    CXFA_FFDoc* pFFDoc = pAcc->GetDoc();
+    pAcc->SetImageImage(XFA_LoadImageData(pFFDoc, &imageObj, m_bNamedImage,
+                                          m_iImageXDpi, m_iImageYDpi));
+    return !!m_pDIBitmap;
+  }
+
+  CFX_DIBitmap* m_pDIBitmap;
+  bool m_bNamedImage;
+  int32_t m_iImageXDpi;
+  int32_t m_iImageYDpi;
+};
+
+class CXFA_FieldLayoutData : public CXFA_WidgetLayoutData {
+ public:
+  CXFA_FieldLayoutData() {}
+  ~CXFA_FieldLayoutData() override {}
+
+  bool LoadCaption(CXFA_WidgetAcc* pAcc) {
+    if (m_pCapTextLayout)
+      return true;
+    CXFA_Caption caption = pAcc->GetCaption();
+    if (!caption || caption.GetPresence() == XFA_ATTRIBUTEENUM_Hidden)
+      return false;
+    m_pCapTextProvider.reset(
+        new CXFA_TextProvider(pAcc, XFA_TEXTPROVIDERTYPE_Caption));
+    m_pCapTextLayout =
+        pdfium::MakeUnique<CXFA_TextLayout>(m_pCapTextProvider.get());
+    return true;
+  }
+
+  std::unique_ptr<CXFA_TextLayout> m_pCapTextLayout;
+  std::unique_ptr<CXFA_TextProvider> m_pCapTextProvider;
+  std::unique_ptr<CFDE_TextOut> m_pTextOut;
+  std::vector<float> m_FieldSplitArray;
+};
+
+class CXFA_TextEditData : public CXFA_FieldLayoutData {
+ public:
+};
+
+class CXFA_ImageEditData : public CXFA_FieldLayoutData {
+ public:
+  CXFA_ImageEditData()
+      : m_pDIBitmap(nullptr),
+        m_bNamedImage(false),
+        m_iImageXDpi(0),
+        m_iImageYDpi(0) {}
+
+  ~CXFA_ImageEditData() override {
+    if (m_pDIBitmap && !m_bNamedImage)
+      delete m_pDIBitmap;
+  }
+
+  bool LoadImageData(CXFA_WidgetAcc* pAcc) {
+    if (m_pDIBitmap)
+      return true;
+
+    CXFA_Value value = pAcc->GetFormValue();
+    if (!value)
+      return false;
+
+    CXFA_Image imageObj = value.GetImage();
+    CXFA_FFDoc* pFFDoc = pAcc->GetDoc();
+    pAcc->SetImageEditImage(XFA_LoadImageData(pFFDoc, &imageObj, m_bNamedImage,
+                                              m_iImageXDpi, m_iImageYDpi));
+    return !!m_pDIBitmap;
+  }
+
+  CFX_DIBitmap* m_pDIBitmap;
+  bool m_bNamedImage;
+  int32_t m_iImageXDpi;
+  int32_t m_iImageYDpi;
+};
+
+}  // namespace
+
+CXFA_WidgetAcc::CXFA_WidgetAcc(CXFA_FFDocView* pDocView, CXFA_Node* pNode)
+    : CXFA_WidgetData(pNode), m_pDocView(pDocView), m_nRecursionDepth(0) {}
+
+CXFA_WidgetAcc::~CXFA_WidgetAcc() {}
+
+bool CXFA_WidgetAcc::GetName(CFX_WideString& wsName, int32_t iNameType) {
+  if (iNameType == 0) {
+    m_pNode->TryCData(XFA_ATTRIBUTE_Name, wsName);
+    return !wsName.IsEmpty();
+  }
+  m_pNode->GetSOMExpression(wsName);
+  if (iNameType == 2 && wsName.GetLength() >= 15) {
+    CFX_WideStringC wsPre = L"xfa[0].form[0].";
+    if (wsPre == CFX_WideStringC(wsName.c_str(), wsPre.GetLength()))
+      wsName.Delete(0, wsPre.GetLength());
+  }
+  return true;
+}
+
+CXFA_Node* CXFA_WidgetAcc::GetDatasets() {
+  return m_pNode->GetBindData();
+}
+
+bool CXFA_WidgetAcc::ProcessValueChanged() {
+  m_pDocView->AddValidateWidget(this);
+  m_pDocView->AddCalculateWidgetAcc(this);
+  m_pDocView->RunCalculateWidgets();
+  m_pDocView->RunValidate();
+  return true;
+}
+
+void CXFA_WidgetAcc::ResetData() {
+  CFX_WideString wsValue;
+  XFA_Element eUIType = GetUIType();
+  switch (eUIType) {
+    case XFA_Element::ImageEdit: {
+      CXFA_Value imageValue = GetDefaultValue();
+      CXFA_Image image = imageValue.GetImage();
+      CFX_WideString wsContentType, wsHref;
+      if (image) {
+        image.GetContent(wsValue);
+        image.GetContentType(wsContentType);
+        image.GetHref(wsHref);
+      }
+      SetImageEdit(wsContentType, wsHref, wsValue);
+      break;
+    }
+    case XFA_Element::ExclGroup: {
+      CXFA_Node* pNextChild = m_pNode->GetNodeItem(
+          XFA_NODEITEM_FirstChild, XFA_ObjectType::ContainerNode);
+      while (pNextChild) {
+        CXFA_Node* pChild = pNextChild;
+        CXFA_WidgetAcc* pAcc =
+            static_cast<CXFA_WidgetAcc*>(pChild->GetWidgetData());
+        if (!pAcc)
+          continue;
+
+        CXFA_Value defValue(nullptr);
+        if (wsValue.IsEmpty() && (defValue = pAcc->GetDefaultValue())) {
+          defValue.GetChildValueContent(wsValue);
+          SetValue(wsValue, XFA_VALUEPICTURE_Raw);
+          pAcc->SetValue(wsValue, XFA_VALUEPICTURE_Raw);
+        } else {
+          CXFA_Node* pItems = pChild->GetChild(0, XFA_Element::Items);
+          if (!pItems)
+            continue;
+
+          CFX_WideString itemText;
+          if (pItems->CountChildren(XFA_Element::Unknown) > 1)
+            itemText = pItems->GetChild(1, XFA_Element::Unknown)->GetContent();
+
+          pAcc->SetValue(itemText, XFA_VALUEPICTURE_Raw);
+        }
+        pNextChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling,
+                                         XFA_ObjectType::ContainerNode);
+      }
+      break;
+    }
+    case XFA_Element::ChoiceList:
+      ClearAllSelections();
+    default:
+      if (CXFA_Value defValue = GetDefaultValue())
+        defValue.GetChildValueContent(wsValue);
+
+      SetValue(wsValue, XFA_VALUEPICTURE_Raw);
+      break;
+  }
+}
+
+void CXFA_WidgetAcc::SetImageEdit(const CFX_WideString& wsContentType,
+                                  const CFX_WideString& wsHref,
+                                  const CFX_WideString& wsData) {
+  CXFA_Image image = GetFormValue().GetImage();
+  if (image) {
+    image.SetContentType(CFX_WideString(wsContentType));
+    image.SetHref(wsHref);
+  }
+  CFX_WideString wsFormatValue(wsData);
+  GetFormatDataValue(wsData, wsFormatValue);
+  m_pNode->SetContent(wsData, wsFormatValue, true);
+  CXFA_Node* pBind = GetDatasets();
+  if (!pBind) {
+    image.SetTransferEncoding(XFA_ATTRIBUTEENUM_Base64);
+    return;
+  }
+  pBind->SetCData(XFA_ATTRIBUTE_ContentType, wsContentType);
+  CXFA_Node* pHrefNode = pBind->GetNodeItem(XFA_NODEITEM_FirstChild);
+  if (pHrefNode) {
+    pHrefNode->SetCData(XFA_ATTRIBUTE_Value, wsHref);
+  } else {
+    CFDE_XMLNode* pXMLNode = pBind->GetXMLMappingNode();
+    ASSERT(pXMLNode && pXMLNode->GetType() == FDE_XMLNODE_Element);
+    static_cast<CFDE_XMLElement*>(pXMLNode)->SetString(L"href", wsHref);
+  }
+}
+
+CXFA_WidgetAcc* CXFA_WidgetAcc::GetExclGroup() {
+  CXFA_Node* pExcl = m_pNode->GetNodeItem(XFA_NODEITEM_Parent);
+  if (!pExcl || pExcl->GetElementType() != XFA_Element::ExclGroup)
+    return nullptr;
+  return static_cast<CXFA_WidgetAcc*>(pExcl->GetWidgetData());
+}
+
+CXFA_FFDocView* CXFA_WidgetAcc::GetDocView() {
+  return m_pDocView;
+}
+
+CXFA_FFDoc* CXFA_WidgetAcc::GetDoc() {
+  return m_pDocView->GetDoc();
+}
+
+CXFA_FFApp* CXFA_WidgetAcc::GetApp() {
+  return GetDoc()->GetApp();
+}
+
+IXFA_AppProvider* CXFA_WidgetAcc::GetAppProvider() {
+  return GetApp()->GetAppProvider();
+}
+
+int32_t CXFA_WidgetAcc::ProcessEvent(int32_t iActivity,
+                                     CXFA_EventParam* pEventParam) {
+  if (GetElementType() == XFA_Element::Draw)
+    return XFA_EVENTERROR_NotExist;
+
+  std::vector<CXFA_Node*> eventArray =
+      GetEventByActivity(iActivity, pEventParam->m_bIsFormReady);
+  bool first = true;
+  int32_t iRet = XFA_EVENTERROR_NotExist;
+  for (CXFA_Node* pNode : eventArray) {
+    int32_t result = ProcessEvent(CXFA_Event(pNode), pEventParam);
+    if (first || result == XFA_EVENTERROR_Success)
+      iRet = result;
+    first = false;
+  }
+  return iRet;
+}
+
+int32_t CXFA_WidgetAcc::ProcessEvent(const CXFA_Event& event,
+                                     CXFA_EventParam* pEventParam) {
+  if (!event)
+    return XFA_EVENTERROR_NotExist;
+
+  switch (event.GetEventType()) {
+    case XFA_Element::Execute:
+      break;
+    case XFA_Element::Script:
+      return ExecuteScript(event.GetScript(), pEventParam);
+    case XFA_Element::SignData:
+      break;
+    case XFA_Element::Submit:
+      return GetDoc()->GetDocEnvironment()->SubmitData(GetDoc(),
+                                                       event.GetSubmit());
+    default:
+      break;
+  }
+  return XFA_EVENTERROR_NotExist;
+}
+
+int32_t CXFA_WidgetAcc::ProcessCalculate() {
+  if (GetElementType() == XFA_Element::Draw)
+    return XFA_EVENTERROR_NotExist;
+
+  CXFA_Calculate calc = GetCalculate();
+  if (!calc)
+    return XFA_EVENTERROR_NotExist;
+  if (GetNode()->IsUserInteractive())
+    return XFA_EVENTERROR_Disabled;
+
+  CXFA_EventParam EventParam;
+  EventParam.m_eType = XFA_EVENT_Calculate;
+  CXFA_Script script = calc.GetScript();
+  int32_t iRet = ExecuteScript(script, &EventParam);
+  if (iRet != XFA_EVENTERROR_Success)
+    return iRet;
+
+  if (GetRawValue() != EventParam.m_wsResult) {
+    SetValue(EventParam.m_wsResult, XFA_VALUEPICTURE_Raw);
+    UpdateUIDisplay();
+  }
+  return XFA_EVENTERROR_Success;
+}
+
+void CXFA_WidgetAcc::ProcessScriptTestValidate(CXFA_Validate validate,
+                                               int32_t iRet,
+                                               CFXJSE_Value* pRetValue,
+                                               bool bVersionFlag) {
+  if (iRet == XFA_EVENTERROR_Success && pRetValue) {
+    if (pRetValue->IsBoolean() && !pRetValue->ToBoolean()) {
+      IXFA_AppProvider* pAppProvider = GetAppProvider();
+      if (!pAppProvider) {
+        return;
+      }
+      CFX_WideString wsTitle = pAppProvider->GetAppTitle();
+      CFX_WideString wsScriptMsg;
+      validate.GetScriptMessageText(wsScriptMsg);
+      int32_t eScriptTest = validate.GetScriptTest();
+      if (eScriptTest == XFA_ATTRIBUTEENUM_Warning) {
+        if (GetNode()->IsUserInteractive())
+          return;
+        if (wsScriptMsg.IsEmpty())
+          wsScriptMsg = GetValidateMessage(false, bVersionFlag);
+
+        if (bVersionFlag) {
+          pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Warning,
+                               XFA_MB_OK);
+          return;
+        }
+        if (pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Warning,
+                                 XFA_MB_YesNo) == XFA_IDYes) {
+          GetNode()->SetFlag(XFA_NodeFlag_UserInteractive, false);
+        }
+      } else {
+        if (wsScriptMsg.IsEmpty())
+          wsScriptMsg = GetValidateMessage(true, bVersionFlag);
+        pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Error, XFA_MB_OK);
+      }
+    }
+  }
+}
+
+int32_t CXFA_WidgetAcc::ProcessFormatTestValidate(CXFA_Validate validate,
+                                                  bool bVersionFlag) {
+  CFX_WideString wsRawValue = GetRawValue();
+  if (!wsRawValue.IsEmpty()) {
+    CFX_WideString wsPicture;
+    validate.GetPicture(wsPicture);
+    if (wsPicture.IsEmpty())
+      return XFA_EVENTERROR_NotExist;
+
+    IFX_Locale* pLocale = GetLocal();
+    if (!pLocale)
+      return XFA_EVENTERROR_NotExist;
+
+    CXFA_LocaleValue lcValue = XFA_GetLocaleValue(this);
+    if (!lcValue.ValidateValue(lcValue.GetValue(), wsPicture, pLocale)) {
+      IXFA_AppProvider* pAppProvider = GetAppProvider();
+      if (!pAppProvider)
+        return XFA_EVENTERROR_NotExist;
+
+      CFX_WideString wsFormatMsg;
+      validate.GetFormatMessageText(wsFormatMsg);
+      CFX_WideString wsTitle = pAppProvider->GetAppTitle();
+      int32_t eFormatTest = validate.GetFormatTest();
+      if (eFormatTest == XFA_ATTRIBUTEENUM_Error) {
+        if (wsFormatMsg.IsEmpty())
+          wsFormatMsg = GetValidateMessage(true, bVersionFlag);
+        pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Error, XFA_MB_OK);
+        return XFA_EVENTERROR_Success;
+      }
+      if (GetNode()->IsUserInteractive())
+        return XFA_EVENTERROR_NotExist;
+      if (wsFormatMsg.IsEmpty())
+        wsFormatMsg = GetValidateMessage(false, bVersionFlag);
+
+      if (bVersionFlag) {
+        pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Warning,
+                             XFA_MB_OK);
+        return XFA_EVENTERROR_Success;
+      }
+      if (pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Warning,
+                               XFA_MB_YesNo) == XFA_IDYes) {
+        GetNode()->SetFlag(XFA_NodeFlag_UserInteractive, false);
+      }
+      return XFA_EVENTERROR_Success;
+    }
+  }
+  return XFA_EVENTERROR_NotExist;
+}
+
+int32_t CXFA_WidgetAcc::ProcessNullTestValidate(CXFA_Validate validate,
+                                                int32_t iFlags,
+                                                bool bVersionFlag) {
+  CFX_WideString wsValue;
+  GetValue(wsValue, XFA_VALUEPICTURE_Raw);
+  if (!wsValue.IsEmpty())
+    return XFA_EVENTERROR_Success;
+  if (m_bIsNull && (m_bPreNull == m_bIsNull))
+    return XFA_EVENTERROR_Success;
+
+  int32_t eNullTest = validate.GetNullTest();
+  CFX_WideString wsNullMsg;
+  validate.GetNullMessageText(wsNullMsg);
+  if (iFlags & 0x01) {
+    int32_t iRet = XFA_EVENTERROR_Success;
+    if (eNullTest != XFA_ATTRIBUTEENUM_Disabled)
+      iRet = XFA_EVENTERROR_Error;
+
+    if (!wsNullMsg.IsEmpty()) {
+      if (eNullTest != XFA_ATTRIBUTEENUM_Disabled) {
+        m_pDocView->m_arrNullTestMsg.push_back(wsNullMsg);
+        return XFA_EVENTERROR_Error;
+      }
+      return XFA_EVENTERROR_Success;
+    }
+    return iRet;
+  }
+  if (wsNullMsg.IsEmpty() && bVersionFlag &&
+      eNullTest != XFA_ATTRIBUTEENUM_Disabled) {
+    return XFA_EVENTERROR_Error;
+  }
+  IXFA_AppProvider* pAppProvider = GetAppProvider();
+  if (!pAppProvider)
+    return XFA_EVENTERROR_NotExist;
+
+  CFX_WideString wsCaptionName;
+  CFX_WideString wsTitle = pAppProvider->GetAppTitle();
+  switch (eNullTest) {
+    case XFA_ATTRIBUTEENUM_Error: {
+      if (wsNullMsg.IsEmpty()) {
+        wsCaptionName = GetValidateCaptionName(bVersionFlag);
+        wsNullMsg.Format(L"%s cannot be blank.", wsCaptionName.c_str());
+      }
+      pAppProvider->MsgBox(wsNullMsg, wsTitle, XFA_MBICON_Status, XFA_MB_OK);
+      return XFA_EVENTERROR_Error;
+    }
+    case XFA_ATTRIBUTEENUM_Warning: {
+      if (GetNode()->IsUserInteractive())
+        return true;
+
+      if (wsNullMsg.IsEmpty()) {
+        wsCaptionName = GetValidateCaptionName(bVersionFlag);
+        wsNullMsg.Format(
+            L"%s cannot be blank. To ignore validations for %s, click Ignore.",
+            wsCaptionName.c_str(), wsCaptionName.c_str());
+      }
+      if (pAppProvider->MsgBox(wsNullMsg, wsTitle, XFA_MBICON_Warning,
+                               XFA_MB_YesNo) == XFA_IDYes) {
+        GetNode()->SetFlag(XFA_NodeFlag_UserInteractive, false);
+      }
+      return XFA_EVENTERROR_Error;
+    }
+    case XFA_ATTRIBUTEENUM_Disabled:
+    default:
+      break;
+  }
+  return XFA_EVENTERROR_Success;
+}
+
+CFX_WideString CXFA_WidgetAcc::GetValidateCaptionName(bool bVersionFlag) {
+  CFX_WideString wsCaptionName;
+
+  if (!bVersionFlag) {
+    if (CXFA_Caption caption = GetCaption()) {
+      if (CXFA_Value capValue = caption.GetValue()) {
+        if (CXFA_Text capText = capValue.GetText())
+          capText.GetContent(wsCaptionName);
+      }
+    }
+  }
+  if (wsCaptionName.IsEmpty())
+    GetName(wsCaptionName);
+
+  return wsCaptionName;
+}
+
+CFX_WideString CXFA_WidgetAcc::GetValidateMessage(bool bError,
+                                                  bool bVersionFlag) {
+  CFX_WideString wsCaptionName = GetValidateCaptionName(bVersionFlag);
+  CFX_WideString wsMessage;
+  if (bVersionFlag) {
+    wsMessage.Format(L"%s validation failed", wsCaptionName.c_str());
+    return wsMessage;
+  }
+  if (bError) {
+    wsMessage.Format(L"The value you entered for %s is invalid.",
+                     wsCaptionName.c_str());
+    return wsMessage;
+  }
+  wsMessage.Format(
+      L"The value you entered for %s is invalid. To ignore "
+      L"validations for %s, click Ignore.",
+      wsCaptionName.c_str(), wsCaptionName.c_str());
+  return wsMessage;
+}
+
+int32_t CXFA_WidgetAcc::ProcessValidate(int32_t iFlags) {
+  if (GetElementType() == XFA_Element::Draw)
+    return XFA_EVENTERROR_NotExist;
+
+  CXFA_Validate validate = GetValidate();
+  if (!validate)
+    return XFA_EVENTERROR_NotExist;
+
+  bool bInitDoc = validate.GetNode()->NeedsInitApp();
+  bool bStatus = m_pDocView->GetLayoutStatus() < XFA_DOCVIEW_LAYOUTSTATUS_End;
+  int32_t iFormat = 0;
+  CFXJSE_Value* pRetValue = nullptr;
+  int32_t iRet = XFA_EVENTERROR_NotExist;
+  CXFA_Script script = validate.GetScript();
+  if (script) {
+    CXFA_EventParam eParam;
+    eParam.m_eType = XFA_EVENT_Validate;
+    eParam.m_pTarget = this;
+    iRet = ExecuteScript(script, &eParam,
+                         ((bInitDoc || bStatus) && GetRawValue().IsEmpty())
+                             ? nullptr
+                             : &pRetValue);
+  }
+  XFA_VERSION version = GetDoc()->GetXFADoc()->GetCurVersionMode();
+  bool bVersionFlag = false;
+  if (version < XFA_VERSION_208)
+    bVersionFlag = true;
+
+  if (bInitDoc) {
+    validate.GetNode()->ClearFlag(XFA_NodeFlag_NeedsInitApp);
+  } else {
+    iFormat = ProcessFormatTestValidate(validate, bVersionFlag);
+    if (!bVersionFlag)
+      bVersionFlag = GetDoc()->GetXFADoc()->HasFlag(XFA_DOCFLAG_Scripting);
+
+    iRet |= ProcessNullTestValidate(validate, iFlags, bVersionFlag);
+  }
+  if (iFormat != XFA_EVENTERROR_Success)
+    ProcessScriptTestValidate(validate, iRet, pRetValue, bVersionFlag);
+
+  delete pRetValue;
+
+  return iRet | iFormat;
+}
+
+int32_t CXFA_WidgetAcc::ExecuteScript(CXFA_Script script,
+                                      CXFA_EventParam* pEventParam,
+                                      CFXJSE_Value** pRetValue) {
+  static const uint32_t MAX_RECURSION_DEPTH = 2;
+  if (m_nRecursionDepth > MAX_RECURSION_DEPTH)
+    return XFA_EVENTERROR_Success;
+
+  ASSERT(pEventParam);
+  if (!script)
+    return XFA_EVENTERROR_NotExist;
+  if (script.GetRunAt() == XFA_ATTRIBUTEENUM_Server)
+    return XFA_EVENTERROR_Disabled;
+
+  CFX_WideString wsExpression;
+  script.GetExpression(wsExpression);
+  if (wsExpression.IsEmpty())
+    return XFA_EVENTERROR_NotExist;
+
+  XFA_SCRIPTTYPE eScriptType = script.GetContentType();
+  if (eScriptType == XFA_SCRIPTTYPE_Unkown)
+    return XFA_EVENTERROR_Success;
+
+  CXFA_FFDoc* pDoc = GetDoc();
+  CXFA_ScriptContext* pContext = pDoc->GetXFADoc()->GetScriptContext();
+  pContext->SetEventParam(*pEventParam);
+  pContext->SetRunAtType((XFA_ATTRIBUTEENUM)script.GetRunAt());
+  std::vector<CXFA_Node*> refNodes;
+  if (pEventParam->m_eType == XFA_EVENT_InitCalculate ||
+      pEventParam->m_eType == XFA_EVENT_Calculate) {
+    pContext->SetNodesOfRunScript(&refNodes);
+  }
+  std::unique_ptr<CFXJSE_Value> pTmpRetValue(
+      new CFXJSE_Value(pContext->GetRuntime()));
+  ++m_nRecursionDepth;
+  bool bRet = pContext->RunScript((XFA_SCRIPTLANGTYPE)eScriptType,
+                                  wsExpression.AsStringC(), pTmpRetValue.get(),
+                                  m_pNode);
+  --m_nRecursionDepth;
+  int32_t iRet = XFA_EVENTERROR_Error;
+  if (bRet) {
+    iRet = XFA_EVENTERROR_Success;
+    if (pEventParam->m_eType == XFA_EVENT_Calculate ||
+        pEventParam->m_eType == XFA_EVENT_InitCalculate) {
+      if (!pTmpRetValue->IsUndefined()) {
+        if (!pTmpRetValue->IsNull())
+          pEventParam->m_wsResult = pTmpRetValue->ToWideString();
+
+        iRet = XFA_EVENTERROR_Success;
+      } else {
+        iRet = XFA_EVENTERROR_Error;
+      }
+      if (pEventParam->m_eType == XFA_EVENT_InitCalculate) {
+        if ((iRet == XFA_EVENTERROR_Success) &&
+            (GetRawValue() != pEventParam->m_wsResult)) {
+          SetValue(pEventParam->m_wsResult, XFA_VALUEPICTURE_Raw);
+          m_pDocView->AddValidateWidget(this);
+        }
+      }
+      for (CXFA_Node* pRefNode : refNodes) {
+        if (static_cast<CXFA_WidgetAcc*>(pRefNode->GetWidgetData()) == this)
+          continue;
+
+        auto* pGlobalData =
+            static_cast<CXFA_CalcData*>(pRefNode->GetUserData(XFA_CalcData));
+        if (!pGlobalData) {
+          pGlobalData = new CXFA_CalcData;
+          pRefNode->SetUserData(XFA_CalcData, pGlobalData,
+                                &gs_XFADeleteCalcData);
+        }
+        if (!pdfium::ContainsValue(pGlobalData->m_Globals, this))
+          pGlobalData->m_Globals.push_back(this);
+      }
+    }
+  }
+  if (pRetValue)
+    *pRetValue = pTmpRetValue.release();
+
+  pContext->SetNodesOfRunScript(nullptr);
+  return iRet;
+}
+
+CXFA_FFWidget* CXFA_WidgetAcc::GetNextWidget(CXFA_FFWidget* pWidget) {
+  CXFA_LayoutItem* pLayout = nullptr;
+  if (pWidget)
+    pLayout = pWidget->GetNext();
+  else
+    pLayout = m_pDocView->GetXFALayout()->GetLayoutItem(m_pNode);
+
+  return static_cast<CXFA_FFWidget*>(pLayout);
+}
+
+void CXFA_WidgetAcc::UpdateUIDisplay(CXFA_FFWidget* pExcept) {
+  CXFA_FFWidget* pWidget = nullptr;
+  while ((pWidget = GetNextWidget(pWidget)) != nullptr) {
+    if (pWidget == pExcept || !pWidget->IsLoaded() ||
+        (GetUIType() != XFA_Element::CheckButton && pWidget->IsFocused())) {
+      continue;
+    }
+    pWidget->UpdateFWLData();
+    pWidget->AddInvalidateRect();
+  }
+}
+
+void CXFA_WidgetAcc::CalcCaptionSize(CFX_SizeF& szCap) {
+  CXFA_Caption caption = GetCaption();
+  if (!caption || caption.GetPresence() != XFA_ATTRIBUTEENUM_Visible)
+    return;
+
+  LoadCaption();
+  XFA_Element eUIType = GetUIType();
+  int32_t iCapPlacement = caption.GetPlacementType();
+  float fCapReserve = caption.GetReserve();
+  const bool bVert = iCapPlacement == XFA_ATTRIBUTEENUM_Top ||
+                     iCapPlacement == XFA_ATTRIBUTEENUM_Bottom;
+  const bool bReserveExit = fCapReserve > 0.01;
+  CXFA_TextLayout* pCapTextLayout =
+      static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get())
+          ->m_pCapTextLayout.get();
+  if (pCapTextLayout) {
+    if (!bVert && eUIType != XFA_Element::Button)
+      szCap.width = fCapReserve;
+
+    CFX_SizeF minSize;
+    pCapTextLayout->CalcSize(minSize, szCap, szCap);
+    if (bReserveExit)
+      bVert ? szCap.height = fCapReserve : szCap.width = fCapReserve;
+  } else {
+    float fFontSize = 10.0f;
+    if (CXFA_Font font = caption.GetFont())
+      fFontSize = font.GetFontSize();
+    else if (CXFA_Font widgetfont = GetFont())
+      fFontSize = widgetfont.GetFontSize();
+
+    if (bVert) {
+      szCap.height = fCapReserve > 0 ? fCapReserve : fFontSize;
+    } else {
+      szCap.width = fCapReserve > 0 ? fCapReserve : 0;
+      szCap.height = fFontSize;
+    }
+  }
+  if (CXFA_Margin mgCap = caption.GetMargin()) {
+    float fLeftInset, fTopInset, fRightInset, fBottomInset;
+    mgCap.GetLeftInset(fLeftInset);
+    mgCap.GetTopInset(fTopInset);
+    mgCap.GetRightInset(fRightInset);
+    mgCap.GetBottomInset(fBottomInset);
+    if (bReserveExit) {
+      bVert ? (szCap.width += fLeftInset + fRightInset)
+            : (szCap.height += fTopInset + fBottomInset);
+    } else {
+      szCap.width += fLeftInset + fRightInset;
+      szCap.height += fTopInset + fBottomInset;
+    }
+  }
+}
+
+bool CXFA_WidgetAcc::CalculateFieldAutoSize(CFX_SizeF& size) {
+  CFX_SizeF szCap;
+  CalcCaptionSize(szCap);
+  CFX_RectF rtUIMargin = GetUIMargin();
+  size.width += rtUIMargin.left + rtUIMargin.width;
+  size.height += rtUIMargin.top + rtUIMargin.height;
+  if (szCap.width > 0 && szCap.height > 0) {
+    int32_t iCapPlacement = GetCaption().GetPlacementType();
+    switch (iCapPlacement) {
+      case XFA_ATTRIBUTEENUM_Left:
+      case XFA_ATTRIBUTEENUM_Right:
+      case XFA_ATTRIBUTEENUM_Inline: {
+        size.width += szCap.width;
+        size.height = std::max(size.height, szCap.height);
+      } break;
+      case XFA_ATTRIBUTEENUM_Top:
+      case XFA_ATTRIBUTEENUM_Bottom: {
+        size.height += szCap.height;
+        size.width = std::max(size.width, szCap.width);
+      }
+      default:
+        break;
+    }
+  }
+  return CalculateWidgetAutoSize(size);
+}
+
+bool CXFA_WidgetAcc::CalculateWidgetAutoSize(CFX_SizeF& size) {
+  CXFA_Margin mgWidget = GetMargin();
+  if (mgWidget) {
+    float fLeftInset, fTopInset, fRightInset, fBottomInset;
+    mgWidget.GetLeftInset(fLeftInset);
+    mgWidget.GetTopInset(fTopInset);
+    mgWidget.GetRightInset(fRightInset);
+    mgWidget.GetBottomInset(fBottomInset);
+    size.width += fLeftInset + fRightInset;
+    size.height += fTopInset + fBottomInset;
+  }
+  CXFA_Para para = GetPara();
+  if (para)
+    size.width += para.GetMarginLeft() + para.GetTextIndent();
+
+  float fVal = 0;
+  float fMin = 0;
+  float fMax = 0;
+  if (GetWidth(fVal)) {
+    size.width = fVal;
+  } else {
+    if (GetMinWidth(fMin))
+      size.width = std::max(size.width, fMin);
+    if (GetMaxWidth(fMax) && fMax > 0)
+      size.width = std::min(size.width, fMax);
+  }
+  fVal = 0;
+  fMin = 0;
+  fMax = 0;
+  if (GetHeight(fVal)) {
+    size.height = fVal;
+  } else {
+    if (GetMinHeight(fMin))
+      size.height = std::max(size.height, fMin);
+    if (GetMaxHeight(fMax) && fMax > 0)
+      size.height = std::min(size.height, fMax);
+  }
+  return true;
+}
+
+void CXFA_WidgetAcc::CalculateTextContentSize(CFX_SizeF& size) {
+  float fFontSize = GetFontSize();
+  CFX_WideString wsText;
+  GetValue(wsText, XFA_VALUEPICTURE_Display);
+  if (wsText.IsEmpty()) {
+    size.height += fFontSize;
+    return;
+  }
+
+  wchar_t wcEnter = '\n';
+  wchar_t wsLast = wsText.GetAt(wsText.GetLength() - 1);
+  if (wsLast == wcEnter)
+    wsText = wsText + wcEnter;
+
+  CXFA_FieldLayoutData* layoutData =
+      static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get());
+  if (!layoutData->m_pTextOut) {
+    layoutData->m_pTextOut = pdfium::MakeUnique<CFDE_TextOut>();
+    CFDE_TextOut* pTextOut = layoutData->m_pTextOut.get();
+    pTextOut->SetFont(GetFDEFont());
+    pTextOut->SetFontSize(fFontSize);
+    pTextOut->SetLineBreakTolerance(fFontSize * 0.2f);
+    pTextOut->SetLineSpace(GetLineHeight());
+    uint32_t dwStyles = FDE_TTOSTYLE_LastLineHeight;
+    if (GetUIType() == XFA_Element::TextEdit && IsMultiLine())
+      dwStyles |= FDE_TTOSTYLE_LineWrap;
+
+    pTextOut->SetStyles(dwStyles);
+  }
+  layoutData->m_pTextOut->CalcLogicSize(wsText.c_str(), wsText.GetLength(),
+                                        size);
+}
+
+bool CXFA_WidgetAcc::CalculateTextEditAutoSize(CFX_SizeF& size) {
+  if (size.width > 0) {
+    CFX_SizeF szOrz = size;
+    CFX_SizeF szCap;
+    CalcCaptionSize(szCap);
+    bool bCapExit = szCap.width > 0.01 && szCap.height > 0.01;
+    int32_t iCapPlacement = XFA_ATTRIBUTEENUM_Unknown;
+    if (bCapExit) {
+      iCapPlacement = GetCaption().GetPlacementType();
+      switch (iCapPlacement) {
+        case XFA_ATTRIBUTEENUM_Left:
+        case XFA_ATTRIBUTEENUM_Right:
+        case XFA_ATTRIBUTEENUM_Inline: {
+          size.width -= szCap.width;
+        }
+        default:
+          break;
+      }
+    }
+    CFX_RectF rtUIMargin = GetUIMargin();
+    size.width -= rtUIMargin.left + rtUIMargin.width;
+    CXFA_Margin mgWidget = GetMargin();
+    if (mgWidget) {
+      float fLeftInset, fRightInset;
+      mgWidget.GetLeftInset(fLeftInset);
+      mgWidget.GetRightInset(fRightInset);
+      size.width -= fLeftInset + fRightInset;
+    }
+    CalculateTextContentSize(size);
+    size.height += rtUIMargin.top + rtUIMargin.height;
+    if (bCapExit) {
+      switch (iCapPlacement) {
+        case XFA_ATTRIBUTEENUM_Left:
+        case XFA_ATTRIBUTEENUM_Right:
+        case XFA_ATTRIBUTEENUM_Inline: {
+          size.height = std::max(size.height, szCap.height);
+        } break;
+        case XFA_ATTRIBUTEENUM_Top:
+        case XFA_ATTRIBUTEENUM_Bottom: {
+          size.height += szCap.height;
+        }
+        default:
+          break;
+      }
+    }
+    size.width = szOrz.width;
+    return CalculateWidgetAutoSize(size);
+  }
+  CalculateTextContentSize(size);
+  return CalculateFieldAutoSize(size);
+}
+
+bool CXFA_WidgetAcc::CalculateCheckButtonAutoSize(CFX_SizeF& size) {
+  float fCheckSize = GetCheckButtonSize();
+  size = CFX_SizeF(fCheckSize, fCheckSize);
+  return CalculateFieldAutoSize(size);
+}
+
+bool CXFA_WidgetAcc::CalculatePushButtonAutoSize(CFX_SizeF& size) {
+  CalcCaptionSize(size);
+  return CalculateWidgetAutoSize(size);
+}
+
+bool CXFA_WidgetAcc::CalculateImageAutoSize(CFX_SizeF& size) {
+  if (!GetImageImage())
+    LoadImageImage();
+
+  size.clear();
+  if (CFX_DIBitmap* pBitmap = GetImageImage()) {
+    int32_t iImageXDpi = 0;
+    int32_t iImageYDpi = 0;
+    GetImageDpi(iImageXDpi, iImageYDpi);
+    CFX_RectF rtImage(
+        0, 0, XFA_UnitPx2Pt((float)pBitmap->GetWidth(), (float)iImageXDpi),
+        XFA_UnitPx2Pt((float)pBitmap->GetHeight(), (float)iImageYDpi));
+
+    CFX_RectF rtFit;
+    if (GetWidth(rtFit.width))
+      GetWidthWithoutMargin(rtFit.width);
+    else
+      rtFit.width = rtImage.width;
+
+    if (GetHeight(rtFit.height))
+      GetHeightWithoutMargin(rtFit.height);
+    else
+      rtFit.height = rtImage.height;
+
+    size = rtFit.Size();
+  }
+  return CalculateWidgetAutoSize(size);
+}
+
+bool CXFA_WidgetAcc::CalculateImageEditAutoSize(CFX_SizeF& size) {
+  if (!GetImageEditImage())
+    LoadImageEditImage();
+
+  size.clear();
+  if (CFX_DIBitmap* pBitmap = GetImageEditImage()) {
+    int32_t iImageXDpi = 0;
+    int32_t iImageYDpi = 0;
+    GetImageEditDpi(iImageXDpi, iImageYDpi);
+    CFX_RectF rtImage(
+        0, 0, XFA_UnitPx2Pt((float)pBitmap->GetWidth(), (float)iImageXDpi),
+        XFA_UnitPx2Pt((float)pBitmap->GetHeight(), (float)iImageYDpi));
+
+    CFX_RectF rtFit;
+    if (GetWidth(rtFit.width))
+      GetWidthWithoutMargin(rtFit.width);
+    else
+      rtFit.width = rtImage.width;
+
+    if (GetHeight(rtFit.height))
+      GetHeightWithoutMargin(rtFit.height);
+    else
+      rtFit.height = rtImage.height;
+
+    size.width = rtFit.width;
+    size.height = rtFit.height;
+  }
+  return CalculateFieldAutoSize(size);
+}
+
+bool CXFA_WidgetAcc::LoadImageImage() {
+  InitLayoutData();
+  return static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get())
+      ->LoadImageData(this);
+}
+
+bool CXFA_WidgetAcc::LoadImageEditImage() {
+  InitLayoutData();
+  return static_cast<CXFA_ImageEditData*>(m_pLayoutData.get())
+      ->LoadImageData(this);
+}
+
+void CXFA_WidgetAcc::GetImageDpi(int32_t& iImageXDpi, int32_t& iImageYDpi) {
+  CXFA_ImageLayoutData* pData =
+      static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get());
+  iImageXDpi = pData->m_iImageXDpi;
+  iImageYDpi = pData->m_iImageYDpi;
+}
+
+void CXFA_WidgetAcc::GetImageEditDpi(int32_t& iImageXDpi, int32_t& iImageYDpi) {
+  CXFA_ImageEditData* pData =
+      static_cast<CXFA_ImageEditData*>(m_pLayoutData.get());
+  iImageXDpi = pData->m_iImageXDpi;
+  iImageYDpi = pData->m_iImageYDpi;
+}
+
+bool CXFA_WidgetAcc::CalculateTextAutoSize(CFX_SizeF& size) {
+  LoadText();
+  CXFA_TextLayout* pTextLayout =
+      static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->GetTextLayout();
+  if (pTextLayout) {
+    size.width = pTextLayout->StartLayout(size.width);
+    size.height = pTextLayout->GetLayoutHeight();
+  }
+  return CalculateWidgetAutoSize(size);
+}
+
+void CXFA_WidgetAcc::LoadText() {
+  InitLayoutData();
+  static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->LoadText(this);
+}
+
+float CXFA_WidgetAcc::CalculateWidgetAutoWidth(float fWidthCalc) {
+  CXFA_Margin mgWidget = GetMargin();
+  if (mgWidget) {
+    float fLeftInset, fRightInset;
+    mgWidget.GetLeftInset(fLeftInset);
+    mgWidget.GetRightInset(fRightInset);
+    fWidthCalc += fLeftInset + fRightInset;
+  }
+
+  float fMin = 0, fMax = 0;
+  if (GetMinWidth(fMin))
+    fWidthCalc = std::max(fWidthCalc, fMin);
+  if (GetMaxWidth(fMax) && fMax > 0)
+    fWidthCalc = std::min(fWidthCalc, fMax);
+
+  return fWidthCalc;
+}
+
+float CXFA_WidgetAcc::GetWidthWithoutMargin(float fWidthCalc) {
+  CXFA_Margin mgWidget = GetMargin();
+  if (mgWidget) {
+    float fLeftInset, fRightInset;
+    mgWidget.GetLeftInset(fLeftInset);
+    mgWidget.GetRightInset(fRightInset);
+    fWidthCalc -= fLeftInset + fRightInset;
+  }
+  return fWidthCalc;
+}
+
+float CXFA_WidgetAcc::CalculateWidgetAutoHeight(float fHeightCalc) {
+  CXFA_Margin mgWidget = GetMargin();
+  if (mgWidget) {
+    float fTopInset, fBottomInset;
+    mgWidget.GetTopInset(fTopInset);
+    mgWidget.GetBottomInset(fBottomInset);
+    fHeightCalc += fTopInset + fBottomInset;
+  }
+
+  float fMin = 0, fMax = 0;
+  if (GetMinHeight(fMin))
+    fHeightCalc = std::max(fHeightCalc, fMin);
+  if (GetMaxHeight(fMax) && fMax > 0)
+    fHeightCalc = std::min(fHeightCalc, fMax);
+
+  return fHeightCalc;
+}
+
+float CXFA_WidgetAcc::GetHeightWithoutMargin(float fHeightCalc) {
+  CXFA_Margin mgWidget = GetMargin();
+  if (mgWidget) {
+    float fTopInset, fBottomInset;
+    mgWidget.GetTopInset(fTopInset);
+    mgWidget.GetBottomInset(fBottomInset);
+    fHeightCalc -= fTopInset + fBottomInset;
+  }
+  return fHeightCalc;
+}
+
+void CXFA_WidgetAcc::StartWidgetLayout(float& fCalcWidth, float& fCalcHeight) {
+  InitLayoutData();
+  XFA_Element eUIType = GetUIType();
+  if (eUIType == XFA_Element::Text) {
+    m_pLayoutData->m_fWidgetHeight = -1;
+    GetHeight(m_pLayoutData->m_fWidgetHeight);
+    StartTextLayout(fCalcWidth, fCalcHeight);
+    return;
+  }
+  if (fCalcWidth > 0 && fCalcHeight > 0)
+    return;
+
+  m_pLayoutData->m_fWidgetHeight = -1;
+  float fWidth = 0;
+  if (fCalcWidth > 0 && fCalcHeight < 0) {
+    if (!GetHeight(fCalcHeight))
+      CalculateAccWidthAndHeight(eUIType, fCalcWidth, fCalcHeight);
+
+    m_pLayoutData->m_fWidgetHeight = fCalcHeight;
+    return;
+  }
+  if (fCalcWidth < 0 && fCalcHeight < 0) {
+    if (!GetWidth(fWidth) || !GetHeight(fCalcHeight))
+      CalculateAccWidthAndHeight(eUIType, fWidth, fCalcHeight);
+
+    fCalcWidth = fWidth;
+  }
+  m_pLayoutData->m_fWidgetHeight = fCalcHeight;
+}
+
+void CXFA_WidgetAcc::CalculateAccWidthAndHeight(XFA_Element eUIType,
+                                                float& fWidth,
+                                                float& fCalcHeight) {
+  CFX_SizeF sz(fWidth, m_pLayoutData->m_fWidgetHeight);
+  switch (eUIType) {
+    case XFA_Element::Barcode:
+    case XFA_Element::ChoiceList:
+    case XFA_Element::Signature:
+      CalculateFieldAutoSize(sz);
+      break;
+    case XFA_Element::ImageEdit:
+      CalculateImageEditAutoSize(sz);
+      break;
+    case XFA_Element::Button:
+      CalculatePushButtonAutoSize(sz);
+      break;
+    case XFA_Element::CheckButton:
+      CalculateCheckButtonAutoSize(sz);
+      break;
+    case XFA_Element::DateTimeEdit:
+    case XFA_Element::NumericEdit:
+    case XFA_Element::PasswordEdit:
+    case XFA_Element::TextEdit:
+      CalculateTextEditAutoSize(sz);
+      break;
+    case XFA_Element::Image:
+      CalculateImageAutoSize(sz);
+      break;
+    case XFA_Element::Arc:
+    case XFA_Element::Line:
+    case XFA_Element::Rectangle:
+    case XFA_Element::Subform:
+    case XFA_Element::ExclGroup:
+      CalculateWidgetAutoSize(sz);
+      break;
+    default:
+      break;
+  }
+  fWidth = sz.width;
+  m_pLayoutData->m_fWidgetHeight = sz.height;
+  fCalcHeight = sz.height;
+}
+
+bool CXFA_WidgetAcc::FindSplitPos(int32_t iBlockIndex, float& fCalcHeight) {
+  XFA_Element eUIType = GetUIType();
+  if (eUIType == XFA_Element::Subform)
+    return false;
+
+  if (eUIType != XFA_Element::Text && eUIType != XFA_Element::TextEdit &&
+      eUIType != XFA_Element::NumericEdit &&
+      eUIType != XFA_Element::PasswordEdit) {
+    fCalcHeight = 0;
+    return true;
+  }
+
+  float fTopInset = 0;
+  float fBottomInset = 0;
+  if (iBlockIndex == 0) {
+    CXFA_Margin mgWidget = GetMargin();
+    if (mgWidget) {
+      mgWidget.GetTopInset(fTopInset);
+      mgWidget.GetBottomInset(fBottomInset);
+    }
+    CFX_RectF rtUIMargin = GetUIMargin();
+    fTopInset += rtUIMargin.top;
+    fBottomInset += rtUIMargin.width;
+  }
+  if (eUIType == XFA_Element::Text) {
+    float fHeight = fCalcHeight;
+    if (iBlockIndex == 0) {
+      fCalcHeight = fCalcHeight - fTopInset;
+      if (fCalcHeight < 0)
+        fCalcHeight = 0;
+    }
+
+    CXFA_TextLayout* pTextLayout =
+        static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->GetTextLayout();
+    pTextLayout->DoLayout(iBlockIndex, fCalcHeight, fCalcHeight,
+                          m_pLayoutData->m_fWidgetHeight - fTopInset);
+    if (fCalcHeight != 0) {
+      if (iBlockIndex == 0)
+        fCalcHeight = fCalcHeight + fTopInset;
+      if (fabs(fHeight - fCalcHeight) < XFA_FLOAT_PERCISION)
+        return false;
+    }
+    return true;
+  }
+  XFA_ATTRIBUTEENUM iCapPlacement = XFA_ATTRIBUTEENUM_Unknown;
+  float fCapReserve = 0;
+  if (iBlockIndex == 0) {
+    CXFA_Caption caption = GetCaption();
+    if (caption && caption.GetPresence() != XFA_ATTRIBUTEENUM_Hidden) {
+      iCapPlacement = (XFA_ATTRIBUTEENUM)caption.GetPlacementType();
+      fCapReserve = caption.GetReserve();
+    }
+    if (iCapPlacement == XFA_ATTRIBUTEENUM_Top &&
+        fCalcHeight < fCapReserve + fTopInset) {
+      fCalcHeight = 0;
+      return true;
+    }
+    if (iCapPlacement == XFA_ATTRIBUTEENUM_Bottom &&
+        m_pLayoutData->m_fWidgetHeight - fCapReserve - fBottomInset) {
+      fCalcHeight = 0;
+      return true;
+    }
+    if (iCapPlacement != XFA_ATTRIBUTEENUM_Top)
+      fCapReserve = 0;
+  }
+  CXFA_FieldLayoutData* pFieldData =
+      static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get());
+  int32_t iLinesCount = 0;
+  float fHeight = m_pLayoutData->m_fWidgetHeight;
+  CFX_WideString wsText;
+  GetValue(wsText, XFA_VALUEPICTURE_Display);
+  if (wsText.IsEmpty()) {
+    iLinesCount = 1;
+  } else {
+    if (!pFieldData->m_pTextOut) {
+      float fWidth = 0;
+      GetWidth(fWidth);
+      CalculateAccWidthAndHeight(eUIType, fWidth, fHeight);
+    }
+    iLinesCount = pFieldData->m_pTextOut->GetTotalLines();
+  }
+  std::vector<float>* pFieldArray = &pFieldData->m_FieldSplitArray;
+  int32_t iFieldSplitCount = pdfium::CollectionSize<int32_t>(*pFieldArray);
+  for (int32_t i = 0; i < iBlockIndex * 3; i += 3) {
+    iLinesCount -= (int32_t)(*pFieldArray)[i + 1];
+    fHeight -= (*pFieldArray)[i + 2];
+  }
+  if (iLinesCount == 0)
+    return false;
+
+  float fLineHeight = GetLineHeight();
+  float fFontSize = GetFontSize();
+  float fTextHeight = iLinesCount * fLineHeight - fLineHeight + fFontSize;
+  float fSpaceAbove = 0;
+  float fStartOffset = 0;
+  if (fHeight > 0.1f && iBlockIndex == 0) {
+    fStartOffset = fTopInset;
+    fHeight -= (fTopInset + fBottomInset);
+    if (CXFA_Para para = GetPara()) {
+      fSpaceAbove = para.GetSpaceAbove();
+      float fSpaceBelow = para.GetSpaceBelow();
+      fHeight -= (fSpaceAbove + fSpaceBelow);
+      switch (para.GetVerticalAlign()) {
+        case XFA_ATTRIBUTEENUM_Top:
+          fStartOffset += fSpaceAbove;
+          break;
+        case XFA_ATTRIBUTEENUM_Middle:
+          fStartOffset += ((fHeight - fTextHeight) / 2 + fSpaceAbove);
+          break;
+        case XFA_ATTRIBUTEENUM_Bottom:
+          fStartOffset += (fHeight - fTextHeight + fSpaceAbove);
+          break;
+      }
+    }
+    if (fStartOffset < 0.1f)
+      fStartOffset = 0;
+  }
+  for (int32_t i = iBlockIndex - 1; iBlockIndex > 0 && i < iBlockIndex; i++) {
+    fStartOffset = (*pFieldArray)[i * 3] - (*pFieldArray)[i * 3 + 2];
+    if (fStartOffset < 0.1f)
+      fStartOffset = 0;
+  }
+  if (iFieldSplitCount / 3 == (iBlockIndex + 1))
+    (*pFieldArray)[0] = fStartOffset;
+  else
+    pFieldArray->push_back(fStartOffset);
+
+  XFA_VERSION version = GetDoc()->GetXFADoc()->GetCurVersionMode();
+  bool bCanSplitNoContent = false;
+  XFA_ATTRIBUTEENUM eLayoutMode;
+  GetNode()
+      ->GetNodeItem(XFA_NODEITEM_Parent)
+      ->TryEnum(XFA_ATTRIBUTE_Layout, eLayoutMode, true);
+  if ((eLayoutMode == XFA_ATTRIBUTEENUM_Position ||
+       eLayoutMode == XFA_ATTRIBUTEENUM_Tb ||
+       eLayoutMode == XFA_ATTRIBUTEENUM_Row ||
+       eLayoutMode == XFA_ATTRIBUTEENUM_Table) &&
+      version > XFA_VERSION_208) {
+    bCanSplitNoContent = true;
+  }
+  if ((eLayoutMode == XFA_ATTRIBUTEENUM_Tb ||
+       eLayoutMode == XFA_ATTRIBUTEENUM_Row ||
+       eLayoutMode == XFA_ATTRIBUTEENUM_Table) &&
+      version <= XFA_VERSION_208) {
+    if (fStartOffset < fCalcHeight) {
+      bCanSplitNoContent = true;
+    } else {
+      fCalcHeight = 0;
+      return true;
+    }
+  }
+  if (bCanSplitNoContent) {
+    if ((fCalcHeight - fTopInset - fSpaceAbove < fLineHeight)) {
+      fCalcHeight = 0;
+      return true;
+    }
+    if (fStartOffset + XFA_FLOAT_PERCISION >= fCalcHeight) {
+      if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
+        (*pFieldArray)[iBlockIndex * 3 + 1] = 0;
+        (*pFieldArray)[iBlockIndex * 3 + 2] = fCalcHeight;
+      } else {
+        pFieldArray->push_back(0);
+        pFieldArray->push_back(fCalcHeight);
+      }
+      return false;
+    }
+    if (fCalcHeight - fStartOffset < fLineHeight) {
+      fCalcHeight = fStartOffset;
+      if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
+        (*pFieldArray)[iBlockIndex * 3 + 1] = 0;
+        (*pFieldArray)[iBlockIndex * 3 + 2] = fCalcHeight;
+      } else {
+        pFieldArray->push_back(0);
+        pFieldArray->push_back(fCalcHeight);
+      }
+      return true;
+    }
+    float fTextNum =
+        fCalcHeight + XFA_FLOAT_PERCISION - fCapReserve - fStartOffset;
+    int32_t iLineNum =
+        (int32_t)((fTextNum + (fLineHeight - fFontSize)) / fLineHeight);
+    if (iLineNum >= iLinesCount) {
+      if (fCalcHeight - fStartOffset - fTextHeight >= fFontSize) {
+        if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
+          (*pFieldArray)[iBlockIndex * 3 + 1] = (float)iLinesCount;
+          (*pFieldArray)[iBlockIndex * 3 + 2] = fCalcHeight;
+        } else {
+          pFieldArray->push_back((float)iLinesCount);
+          pFieldArray->push_back(fCalcHeight);
+        }
+        return false;
+      }
+      if (fHeight - fStartOffset - fTextHeight < fFontSize) {
+        iLineNum -= 1;
+        if (iLineNum == 0) {
+          fCalcHeight = 0;
+          return true;
+        }
+      } else {
+        iLineNum = (int32_t)(fTextNum / fLineHeight);
+      }
+    }
+    if (iLineNum > 0) {
+      float fSplitHeight = iLineNum * fLineHeight + fCapReserve + fStartOffset;
+      if (iFieldSplitCount / 3 == (iBlockIndex + 1)) {
+        (*pFieldArray)[iBlockIndex * 3 + 1] = (float)iLineNum;
+        (*pFieldArray)[iBlockIndex * 3 + 2] = fSplitHeight;
+      } else {
+        pFieldArray->push_back((float)iLineNum);
+        pFieldArray->push_back(fSplitHeight);
+      }
+      if (fabs(fSplitHeight - fCalcHeight) < XFA_FLOAT_PERCISION)
+        return false;
+
+      fCalcHeight = fSplitHeight;
+      return true;
+    }
+  }
+  fCalcHeight = 0;
+  return true;
+}
+
+void CXFA_WidgetAcc::InitLayoutData() {
+  if (m_pLayoutData)
+    return;
+
+  switch (GetUIType()) {
+    case XFA_Element::Text:
+      m_pLayoutData = pdfium::MakeUnique<CXFA_TextLayoutData>();
+      return;
+    case XFA_Element::TextEdit:
+      m_pLayoutData = pdfium::MakeUnique<CXFA_TextEditData>();
+      return;
+    case XFA_Element::Image:
+      m_pLayoutData = pdfium::MakeUnique<CXFA_ImageLayoutData>();
+      return;
+    case XFA_Element::ImageEdit:
+      m_pLayoutData = pdfium::MakeUnique<CXFA_ImageEditData>();
+      return;
+    default:
+      break;
+  }
+  if (GetElementType() == XFA_Element::Field) {
+    m_pLayoutData = pdfium::MakeUnique<CXFA_FieldLayoutData>();
+    return;
+  }
+  m_pLayoutData = pdfium::MakeUnique<CXFA_WidgetLayoutData>();
+}
+
+void CXFA_WidgetAcc::StartTextLayout(float& fCalcWidth, float& fCalcHeight) {
+  LoadText();
+  CXFA_TextLayout* pTextLayout =
+      static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())->GetTextLayout();
+  float fTextHeight = 0;
+  if (fCalcWidth > 0 && fCalcHeight > 0) {
+    float fWidth = GetWidthWithoutMargin(fCalcWidth);
+    pTextLayout->StartLayout(fWidth);
+    fTextHeight = fCalcHeight;
+    fTextHeight = GetHeightWithoutMargin(fTextHeight);
+    pTextLayout->DoLayout(0, fTextHeight, -1, fTextHeight);
+    return;
+  }
+  if (fCalcWidth > 0 && fCalcHeight < 0) {
+    float fWidth = GetWidthWithoutMargin(fCalcWidth);
+    pTextLayout->StartLayout(fWidth);
+  }
+  if (fCalcWidth < 0 && fCalcHeight < 0) {
+    float fMaxWidth = -1;
+    bool bRet = GetWidth(fMaxWidth);
+    if (bRet) {
+      float fWidth = GetWidthWithoutMargin(fMaxWidth);
+      pTextLayout->StartLayout(fWidth);
+    } else {
+      float fWidth = pTextLayout->StartLayout(fMaxWidth);
+      fMaxWidth = CalculateWidgetAutoWidth(fWidth);
+      fWidth = GetWidthWithoutMargin(fMaxWidth);
+      pTextLayout->StartLayout(fWidth);
+    }
+    fCalcWidth = fMaxWidth;
+  }
+  if (m_pLayoutData->m_fWidgetHeight < 0) {
+    m_pLayoutData->m_fWidgetHeight = pTextLayout->GetLayoutHeight();
+    m_pLayoutData->m_fWidgetHeight =
+        CalculateWidgetAutoHeight(m_pLayoutData->m_fWidgetHeight);
+  }
+  fTextHeight = m_pLayoutData->m_fWidgetHeight;
+  fTextHeight = GetHeightWithoutMargin(fTextHeight);
+  pTextLayout->DoLayout(0, fTextHeight, -1, fTextHeight);
+  fCalcHeight = m_pLayoutData->m_fWidgetHeight;
+}
+
+bool CXFA_WidgetAcc::LoadCaption() {
+  InitLayoutData();
+  return static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get())
+      ->LoadCaption(this);
+}
+
+CXFA_TextLayout* CXFA_WidgetAcc::GetCaptionTextLayout() {
+  return m_pLayoutData
+             ? static_cast<CXFA_FieldLayoutData*>(m_pLayoutData.get())
+                   ->m_pCapTextLayout.get()
+             : nullptr;
+}
+
+CXFA_TextLayout* CXFA_WidgetAcc::GetTextLayout() {
+  return m_pLayoutData
+             ? static_cast<CXFA_TextLayoutData*>(m_pLayoutData.get())
+                   ->GetTextLayout()
+             : nullptr;
+}
+
+CFX_DIBitmap* CXFA_WidgetAcc::GetImageImage() {
+  return m_pLayoutData
+             ? static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get())
+                   ->m_pDIBitmap
+             : nullptr;
+}
+
+CFX_DIBitmap* CXFA_WidgetAcc::GetImageEditImage() {
+  return m_pLayoutData
+             ? static_cast<CXFA_ImageEditData*>(m_pLayoutData.get())
+                   ->m_pDIBitmap
+             : nullptr;
+}
+
+void CXFA_WidgetAcc::SetImageImage(CFX_DIBitmap* newImage) {
+  CXFA_ImageLayoutData* pData =
+      static_cast<CXFA_ImageLayoutData*>(m_pLayoutData.get());
+  if (pData->m_pDIBitmap == newImage)
+    return;
+
+  if (pData->m_pDIBitmap && !pData->m_bNamedImage)
+    delete pData->m_pDIBitmap;
+
+  pData->m_pDIBitmap = newImage;
+}
+
+void CXFA_WidgetAcc::SetImageEditImage(CFX_DIBitmap* newImage) {
+  CXFA_ImageEditData* pData =
+      static_cast<CXFA_ImageEditData*>(m_pLayoutData.get());
+  if (pData->m_pDIBitmap == newImage)
+    return;
+
+  if (pData->m_pDIBitmap && !pData->m_bNamedImage)
+    delete pData->m_pDIBitmap;
+
+  pData->m_pDIBitmap = newImage;
+}
+
+CXFA_WidgetLayoutData* CXFA_WidgetAcc::GetWidgetLayoutData() {
+  return m_pLayoutData.get();
+}
+
+CFX_RetainPtr<CFGAS_GEFont> CXFA_WidgetAcc::GetFDEFont() {
+  CFX_WideStringC wsFontName = L"Courier";
+  uint32_t dwFontStyle = 0;
+  if (CXFA_Font font = GetFont()) {
+    if (font.IsBold())
+      dwFontStyle |= FX_FONTSTYLE_Bold;
+    if (font.IsItalic())
+      dwFontStyle |= FX_FONTSTYLE_Italic;
+    font.GetTypeface(wsFontName);
+  }
+
+  auto* pDoc = GetDoc();
+  return pDoc->GetApp()->GetXFAFontMgr()->GetFont(pDoc, wsFontName,
+                                                  dwFontStyle);
+}
+
+float CXFA_WidgetAcc::GetFontSize() {
+  float fFontSize = 10.0f;
+  if (CXFA_Font font = GetFont())
+    fFontSize = font.GetFontSize();
+  return fFontSize < 0.1f ? 10.0f : fFontSize;
+}
+
+float CXFA_WidgetAcc::GetLineHeight() {
+  float fLineHeight = 0;
+  if (CXFA_Para para = GetPara())
+    fLineHeight = para.GetLineHeight();
+  if (fLineHeight < 1)
+    fLineHeight = GetFontSize() * 1.2f;
+  return fLineHeight;
+}
+
+FX_ARGB CXFA_WidgetAcc::GetTextColor() {
+  if (CXFA_Font font = GetFont()) {
+    return font.GetColor();
+  }
+  return 0xFF000000;
+}
diff --git a/xfa/fxfa/fxfa_widget.h b/xfa/fxfa/cxfa_widgetacc.h
similarity index 96%
rename from xfa/fxfa/fxfa_widget.h
rename to xfa/fxfa/cxfa_widgetacc.h
index 2173b57..8a7a7eb 100644
--- a/xfa/fxfa/fxfa_widget.h
+++ b/xfa/fxfa/cxfa_widgetacc.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FXFA_FXFA_WIDGET_H_
-#define XFA_FXFA_FXFA_WIDGET_H_
+#ifndef XFA_FXFA_CXFA_WIDGETACC_H_
+#define XFA_FXFA_CXFA_WIDGETACC_H_
 
 #include <memory>
 
@@ -82,7 +82,7 @@
   float GetLineHeight();
   CXFA_WidgetLayoutData* GetWidgetLayoutData();
 
- protected:
+ private:
   void ProcessScriptTestValidate(CXFA_Validate validate,
                                  int32_t iRet,
                                  CFXJSE_Value* pRetValue,
@@ -118,4 +118,4 @@
   uint32_t m_nRecursionDepth;
 };
 
-#endif  // XFA_FXFA_FXFA_WIDGET_H_
+#endif  // XFA_FXFA_CXFA_WIDGETACC_H_
diff --git a/xfa/fxfa/cxfa_widgetacciterator.cpp b/xfa/fxfa/cxfa_widgetacciterator.cpp
new file mode 100644
index 0000000..721b656
--- /dev/null
+++ b/xfa/fxfa/cxfa_widgetacciterator.cpp
@@ -0,0 +1,56 @@
+// Copyright 2017 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/cxfa_widgetacciterator.h"
+
+#include "xfa/fxfa/cxfa_widgetacc.h"
+
+CXFA_WidgetAccIterator::CXFA_WidgetAccIterator(CXFA_Node* pTravelRoot)
+    : m_ContentIterator(pTravelRoot), m_pCurWidgetAcc(nullptr) {}
+
+CXFA_WidgetAccIterator::~CXFA_WidgetAccIterator() {}
+
+void CXFA_WidgetAccIterator::Reset() {
+  m_pCurWidgetAcc = nullptr;
+  m_ContentIterator.Reset();
+}
+
+CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToFirst() {
+  return nullptr;
+}
+
+CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToLast() {
+  return nullptr;
+}
+
+CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToNext() {
+  CXFA_Node* pItem = m_pCurWidgetAcc ? m_ContentIterator.MoveToNext()
+                                     : m_ContentIterator.GetCurrent();
+  while (pItem) {
+    m_pCurWidgetAcc = static_cast<CXFA_WidgetAcc*>(pItem->GetWidgetData());
+    if (m_pCurWidgetAcc)
+      return m_pCurWidgetAcc;
+    pItem = m_ContentIterator.MoveToNext();
+  }
+  return nullptr;
+}
+
+CXFA_WidgetAcc* CXFA_WidgetAccIterator::MoveToPrevious() {
+  return nullptr;
+}
+
+CXFA_WidgetAcc* CXFA_WidgetAccIterator::GetCurrentWidgetAcc() {
+  return nullptr;
+}
+
+bool CXFA_WidgetAccIterator::SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget) {
+  return false;
+}
+
+void CXFA_WidgetAccIterator::SkipTree() {
+  m_ContentIterator.SkipChildrenAndMoveToNext();
+  m_pCurWidgetAcc = nullptr;
+}
diff --git a/xfa/fxfa/cxfa_widgetacciterator.h b/xfa/fxfa/cxfa_widgetacciterator.h
new file mode 100644
index 0000000..9ad93ad
--- /dev/null
+++ b/xfa/fxfa/cxfa_widgetacciterator.h
@@ -0,0 +1,34 @@
+// Copyright 2017 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
+
+#ifndef XFA_FXFA_CXFA_WIDGETACCITERATOR_H_
+#define XFA_FXFA_CXFA_WIDGETACCITERATOR_H_
+
+#include "xfa/fxfa/parser/xfa_object.h"
+
+class CXFA_Node;
+class CXFA_WidgetAcc;
+
+class CXFA_WidgetAccIterator {
+ public:
+  explicit CXFA_WidgetAccIterator(CXFA_Node* pTravelRoot);
+  ~CXFA_WidgetAccIterator();
+
+  void Reset();
+  CXFA_WidgetAcc* MoveToFirst();
+  CXFA_WidgetAcc* MoveToLast();
+  CXFA_WidgetAcc* MoveToNext();
+  CXFA_WidgetAcc* MoveToPrevious();
+  CXFA_WidgetAcc* GetCurrentWidgetAcc();
+  bool SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget);
+  void SkipTree();
+
+ private:
+  CXFA_ContainerIterator m_ContentIterator;
+  CXFA_WidgetAcc* m_pCurWidgetAcc;  // not owned.
+};
+
+#endif  // XFA_FXFA_CXFA_WIDGETACCITERATOR_H_
diff --git a/xfa/fxfa/fxfa.h b/xfa/fxfa/fxfa.h
index cc75524..559035c 100644
--- a/xfa/fxfa/fxfa.h
+++ b/xfa/fxfa/fxfa.h
@@ -10,8 +10,8 @@
 #include <vector>
 
 #include "core/fxcrt/cfx_retain_ptr.h"
+#include "xfa/fxfa/cxfa_widgetacc.h"
 #include "xfa/fxfa/fxfa_basic.h"
-#include "xfa/fxfa/fxfa_widget.h"
 
 class CFGAS_GEFont;
 class CFX_Graphics;
diff --git a/xfa/fxfa/parser/cscript_eventpseudomodel.cpp b/xfa/fxfa/parser/cscript_eventpseudomodel.cpp
index 8cfedd2..fdfcbbf 100644
--- a/xfa/fxfa/parser/cscript_eventpseudomodel.cpp
+++ b/xfa/fxfa/parser/cscript_eventpseudomodel.cpp
@@ -9,12 +9,12 @@
 #include "fxjs/cfxjse_arguments.h"
 #include "xfa/fxfa/app/xfa_ffnotify.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
+#include "xfa/fxfa/cxfa_ffwidgethandler.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_localemgr.h"
 #include "xfa/fxfa/parser/xfa_object.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
-#include "xfa/fxfa/xfa_ffwidgethandler.h"
 
 namespace {
 
diff --git a/xfa/fxfa/parser/cxfa_simple_parser.cpp b/xfa/fxfa/parser/cxfa_simple_parser.cpp
index 4a6956d..70791b6 100644
--- a/xfa/fxfa/parser/cxfa_simple_parser.cpp
+++ b/xfa/fxfa/parser/cxfa_simple_parser.cpp
@@ -11,13 +11,13 @@
 #include "core/fxcrt/fx_ext.h"
 #include "third_party/base/ptr_util.h"
 #include "xfa/fgas/crt/fgas_codepage.h"
+#include "xfa/fxfa/cxfa_checksumcontext.h"
 #include "xfa/fxfa/fxfa.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_widetextread.h"
 #include "xfa/fxfa/parser/cxfa_xml_parser.h"
 #include "xfa/fxfa/parser/xfa_basic_data.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
-#include "xfa/fxfa/xfa_checksum.h"
 
 namespace {
 
diff --git a/xfa/fxfa/xfa_checksum.h b/xfa/fxfa/xfa_checksum.h
deleted file mode 100644
index 31cf101..0000000
--- a/xfa/fxfa/xfa_checksum.h
+++ /dev/null
@@ -1,80 +0,0 @@
-// 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
-
-#ifndef XFA_FXFA_XFA_CHECKSUM_H_
-#define XFA_FXFA_XFA_CHECKSUM_H_
-
-#include <memory>
-
-#include "core/fdrm/crypto/fx_crypt.h"
-#include "xfa/fde/xml/cfx_saxreader.h"
-#include "xfa/fxfa/fxfa.h"
-
-class CXFA_SAXReaderHandler;
-class CXFA_ChecksumContext;
-
-class CXFA_SAXContext {
- public:
-  CXFA_SAXContext() : m_eNode(CFX_SAXItem::Type::Unknown) {}
-
-  CFX_ByteTextBuf m_TextBuf;
-  CFX_ByteString m_bsTagName;
-  CFX_SAXItem::Type m_eNode;
-};
-
-class CXFA_SAXReaderHandler {
- public:
-  explicit CXFA_SAXReaderHandler(CXFA_ChecksumContext* pContext);
-  ~CXFA_SAXReaderHandler();
-
-  CXFA_SAXContext* OnTagEnter(const CFX_ByteStringC& bsTagName,
-                              CFX_SAXItem::Type eType,
-                              uint32_t dwStartPos);
-  void OnTagAttribute(CXFA_SAXContext* pTag,
-                      const CFX_ByteStringC& bsAttri,
-                      const CFX_ByteStringC& bsValue);
-  void OnTagBreak(CXFA_SAXContext* pTag);
-  void OnTagData(CXFA_SAXContext* pTag,
-                 CFX_SAXItem::Type eType,
-                 const CFX_ByteStringC& bsData,
-                 uint32_t dwStartPos);
-  void OnTagClose(CXFA_SAXContext* pTag, uint32_t dwEndPos);
-  void OnTagEnd(CXFA_SAXContext* pTag,
-                const CFX_ByteStringC& bsTagName,
-                uint32_t dwEndPos);
-
-  void OnTargetData(CXFA_SAXContext* pTag,
-                    CFX_SAXItem::Type eType,
-                    const CFX_ByteStringC& bsData,
-                    uint32_t dwStartPos);
-
- protected:
-  void UpdateChecksum(bool bCheckSpace);
-
-  CXFA_ChecksumContext* m_pContext;
-  CXFA_SAXContext m_SAXContext;
-};
-
-class CXFA_ChecksumContext {
- public:
-  CXFA_ChecksumContext();
-  ~CXFA_ChecksumContext();
-
-  void StartChecksum();
-  void Update(const CFX_ByteStringC& bsText);
-  bool UpdateChecksum(const CFX_RetainPtr<IFX_SeekableReadStream>& pSrcFile,
-                      FX_FILESIZE offset = 0,
-                      size_t size = 0);
-  void FinishChecksum();
-  CFX_ByteString GetChecksum() const;
-
- protected:
-  std::unique_ptr<CFX_SAXReader> m_pSAXReader;
-  std::unique_ptr<CRYPT_sha1_context> m_pByteContext;
-  CFX_ByteString m_bsChecksum;
-};
-
-#endif  // XFA_FXFA_XFA_CHECKSUM_H_
diff --git a/xfa/fxfa/xfa_fontmgr.h b/xfa/fxfa/xfa_fontmgr.h
deleted file mode 100644
index b3ed8ab..0000000
--- a/xfa/fxfa/xfa_fontmgr.h
+++ /dev/null
@@ -1,103 +0,0 @@
-// 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
-
-#ifndef XFA_FXFA_XFA_FONTMGR_H_
-#define XFA_FXFA_XFA_FONTMGR_H_
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "core/fxcrt/cfx_retain_ptr.h"
-#include "core/fxcrt/fx_ext.h"
-#include "core/fxcrt/fx_system.h"
-#include "xfa/fgas/font/cfgas_fontmgr.h"
-#include "xfa/fxfa/fxfa.h"
-
-class CPDF_Font;
-
-struct XFA_FONTINFO {
-  uint32_t dwFontNameHash;
-  const wchar_t* pPsName;
-  const wchar_t* pReplaceFont;
-  uint16_t dwStyles;
-  uint16_t wCodePage;
-};
-
-class CXFA_DefFontMgr {
- public:
-  CXFA_DefFontMgr();
-  ~CXFA_DefFontMgr();
-
-  CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_FFDoc* hDoc,
-                                      const CFX_WideStringC& wsFontFamily,
-                                      uint32_t dwFontStyles,
-                                      uint16_t wCodePage = 0xFFFF);
-  CFX_RetainPtr<CFGAS_GEFont> GetDefaultFont(
-      CXFA_FFDoc* hDoc,
-      const CFX_WideStringC& wsFontFamily,
-      uint32_t dwFontStyles,
-      uint16_t wCodePage = 0xFFFF);
-
- protected:
-  std::vector<CFX_RetainPtr<CFGAS_GEFont>> m_CacheFonts;
-};
-
-class CXFA_PDFFontMgr {
- public:
-  explicit CXFA_PDFFontMgr(CXFA_FFDoc* pDoc);
-  ~CXFA_PDFFontMgr();
-
-  CFX_RetainPtr<CFGAS_GEFont> GetFont(const CFX_WideStringC& wsFontFamily,
-                                      uint32_t dwFontStyles,
-                                      CPDF_Font** pPDFFont,
-                                      bool bStrictMatch);
-  bool GetCharWidth(const CFX_RetainPtr<CFGAS_GEFont>& pFont,
-                    wchar_t wUnicode,
-                    bool bCharCode,
-                    int32_t* pWidth);
-  void SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont, CPDF_Font* pPDFFont);
-
- protected:
-  CFX_RetainPtr<CFGAS_GEFont> FindFont(const CFX_ByteString& strFamilyName,
-                                       bool bBold,
-                                       bool bItalic,
-                                       CPDF_Font** pPDFFont,
-                                       bool bStrictMatch);
-  CFX_ByteString PsNameToFontName(const CFX_ByteString& strPsName,
-                                  bool bBold,
-                                  bool bItalic);
-  bool PsNameMatchDRFontName(const CFX_ByteStringC& bsPsName,
-                             bool bBold,
-                             bool bItalic,
-                             const CFX_ByteString& bsDRFontName,
-                             bool bStrictMatch);
-
-  CXFA_FFDoc* const m_pDoc;
-  std::map<CFX_RetainPtr<CFGAS_GEFont>, CPDF_Font*> m_FDE2PDFFont;
-  std::map<CFX_ByteString, CFX_RetainPtr<CFGAS_GEFont>> m_FontMap;
-};
-
-class CXFA_FontMgr {
- public:
-  CXFA_FontMgr();
-  ~CXFA_FontMgr();
-
-  CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_FFDoc* hDoc,
-                                      const CFX_WideStringC& wsFontFamily,
-                                      uint32_t dwFontStyles,
-                                      uint16_t wCodePage = 0xFFFF);
-  void LoadDocFonts(CXFA_FFDoc* hDoc);
-  void ReleaseDocFonts(CXFA_FFDoc* hDoc);
-  void SetDefFontMgr(std::unique_ptr<CXFA_DefFontMgr> pFontMgr);
-
- protected:
-  std::unique_ptr<CXFA_DefFontMgr> m_pDefFontMgr;
-  std::map<CXFA_FFDoc*, std::unique_ptr<CXFA_PDFFontMgr>> m_PDFFontMgrMap;
-  std::map<CFX_ByteString, CFX_RetainPtr<CFGAS_GEFont>> m_FontMap;
-};
-
-#endif  //  XFA_FXFA_XFA_FONTMGR_H_