text: // 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 "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h"
  
  #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
  #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
  #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
  #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
  #include "fpdfsdk/fpdfxfa/include/fpdfxfa_app.h"
  #include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h"
  #include "fpdfsdk/fpdfxfa/include/fpdfxfa_util.h"
  #include "fpdfsdk/include/fsdk_define.h"
  #include "fpdfsdk/include/cpdfsdk_interform.h"
  #include "fpdfsdk/include/fsdk_mgr.h"
  #include "fpdfsdk/javascript/ijs_runtime.h"
  #include "public/fpdf_formfill.h"
  #include "xfa/fxfa/include/cxfa_eventparam.h"
  #include "xfa/fxfa/include/xfa_ffapp.h"
  #include "xfa/fxfa/include/xfa_ffdoc.h"
  #include "xfa/fxfa/include/xfa_ffdocview.h"
  #include "xfa/fxfa/include/xfa_ffpageview.h"
  #include "xfa/fxfa/include/xfa_ffwidget.h"
  #include "xfa/fxfa/include/xfa_ffwidgethandler.h"
  
  #define IDS_XFA_Validate_Input                                          \
    "At least one required field was empty. Please fill in the required " \
    "fields\r\n(highlighted) before continuing."
  
  // submit
  #define FXFA_CONFIG 0x00000001
  #define FXFA_TEMPLATE 0x00000010
  #define FXFA_LOCALESET 0x00000100
  #define FXFA_DATASETS 0x00001000
  #define FXFA_XMPMETA 0x00010000
  #define FXFA_XFDF 0x00100000
  #define FXFA_FORM 0x01000000
  #define FXFA_PDF 0x10000000
  
  #ifndef _WIN32
  extern void SetLastError(int err);
  extern int GetLastError();
  #endif
  
  CPDFXFA_Document::CPDFXFA_Document(std::unique_ptr<CPDF_Document> pPDFDoc,
                                     CPDFXFA_App* pProvider)
      : m_iDocType(DOCTYPE_PDF),
        m_pPDFDoc(std::move(pPDFDoc)),
        m_pXFADocView(nullptr),
        m_pApp(pProvider),
        m_pJSContext(nullptr),
        m_nLoadStatus(FXFA_LOADSTATUS_PRELOAD),
        m_nPageCount(0) {}
  
  CPDFXFA_Document::~CPDFXFA_Document() {
    m_nLoadStatus = FXFA_LOADSTATUS_CLOSING;
  
    if (m_pXFADoc) {
      CXFA_FFApp* pApp = m_pApp->GetXFAApp();
      if (pApp) {
        CXFA_FFDocHandler* pDocHandler = pApp->GetDocHandler();
        if (pDocHandler) {
          CloseXFADoc(pDocHandler);
        }
      }
      m_pXFADoc.reset();
    }
    if (m_pJSContext && m_pSDKDoc && m_pSDKDoc->GetEnv())
      m_pSDKDoc->GetEnv()->GetJSRuntime()->ReleaseContext(m_pJSContext);
  
    m_nLoadStatus = FXFA_LOADSTATUS_CLOSED;
  }
  
  FX_BOOL CPDFXFA_Document::LoadXFADoc() {
    m_nLoadStatus = FXFA_LOADSTATUS_LOADING;
  
    if (!m_pPDFDoc)
      return FALSE;
  
    m_XFAPageList.RemoveAll();
  
    CXFA_FFApp* pApp = m_pApp->GetXFAApp();
    if (!pApp)
      return FALSE;
  
    m_pXFADoc.reset(pApp->CreateDoc(this, m_pPDFDoc.get()));
    if (!m_pXFADoc) {
      SetLastError(FPDF_ERR_XFALOAD);
      return FALSE;
    }
  
    CXFA_FFDocHandler* pDocHandler = pApp->GetDocHandler();
    if (!pDocHandler) {
      SetLastError(FPDF_ERR_XFALOAD);
      return FALSE;
    }
  
    m_pXFADoc->StartLoad();
    int iStatus = m_pXFADoc->DoLoad(nullptr);
    if (iStatus != XFA_PARSESTATUS_Done) {
      CloseXFADoc(pDocHandler);
      SetLastError(FPDF_ERR_XFALOAD);
      return FALSE;
    }
    m_pXFADoc->StopLoad();
    m_pXFADoc->GetXFADoc()->InitScriptContext(m_pApp->GetJSERuntime());
  
    if (m_pXFADoc->GetDocType() == XFA_DOCTYPE_Dynamic)
      m_iDocType = DOCTYPE_DYNAMIC_XFA;
    else
      m_iDocType = DOCTYPE_STATIC_XFA;
  
    m_pXFADocView = m_pXFADoc->CreateDocView(XFA_DOCVIEW_View);
    if (m_pXFADocView->StartLayout() < 0) {
      CloseXFADoc(pDocHandler);
      SetLastError(FPDF_ERR_XFALAYOUT);
      return FALSE;
    }
  
    m_pXFADocView->DoLayout(nullptr);
    m_pXFADocView->StopLayout();
    m_nLoadStatus = FXFA_LOADSTATUS_LOADED;
  
    return TRUE;
  }
  
  int CPDFXFA_Document::GetPageCount() {
    if (!m_pPDFDoc && !m_pXFADoc)
      return 0;
  
    switch (m_iDocType) {
      case DOCTYPE_PDF:
      case DOCTYPE_STATIC_XFA:
        if (m_pPDFDoc)
          return m_pPDFDoc->GetPageCount();
      case DOCTYPE_DYNAMIC_XFA:
        if (m_pXFADoc)
          return m_pXFADocView->CountPageViews();
      default:
        return 0;
    }
  }
  
  CPDFXFA_Page* CPDFXFA_Document::GetPage(int page_index) {
    if (page_index < 0)
      return nullptr;
  
    CPDFXFA_Page* pPage = nullptr;
    int nCount = m_XFAPageList.GetSize();
    if (nCount > 0 && page_index < nCount) {
      pPage = m_XFAPageList.GetAt(page_index);
      if (pPage)
        pPage->Retain();
    } else {
      m_nPageCount = GetPageCount();
      m_XFAPageList.SetSize(m_nPageCount);
    }
    if (pPage)
      return pPage;
  
    pPage = new CPDFXFA_Page(this, page_index);
    if (!pPage->LoadPage()) {
      pPage->Release();
      return nullptr;
    }
    m_XFAPageList.SetAt(page_index, pPage);
    return pPage;
  }
  
  CPDFXFA_Page* CPDFXFA_Document::GetPage(CXFA_FFPageView* pPage) {
    if (!pPage)
      return nullptr;
  
    if (!m_pXFADoc)
      return nullptr;
  
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA)
      return nullptr;
  
    int nSize = m_XFAPageList.GetSize();
    for (int i = 0; i < nSize; i++) {
      CPDFXFA_Page* pTempPage = m_XFAPageList.GetAt(i);
      if (!pTempPage)
        continue;
      if (pTempPage->GetXFAPageView() && pTempPage->GetXFAPageView() == pPage)
        return pTempPage;
    }
  
    return nullptr;
  }
  
  void CPDFXFA_Document::DeletePage(int page_index) {
    // Delete from the document first because, if GetPage was never called for
    // this |page_index| then |m_XFAPageList| may have size < |page_index| even
    // if it's a valid page in the document.
    if (m_pPDFDoc)
      m_pPDFDoc->DeletePage(page_index);
  
    if (page_index < 0 || page_index >= m_XFAPageList.GetSize())
      return;
  
    if (CPDFXFA_Page* pPage = m_XFAPageList.GetAt(page_index))
      pPage->Release();
  }
  
  void CPDFXFA_Document::RemovePage(CPDFXFA_Page* page) {
    m_XFAPageList.SetAt(page->GetPageIndex(), nullptr);
  }
  
  CPDFSDK_Document* CPDFXFA_Document::GetSDKDocument(
      CPDFDoc_Environment* pFormFillEnv) {
    if (!m_pSDKDoc && pFormFillEnv)
      m_pSDKDoc.reset(new CPDFSDK_Document(this, pFormFillEnv));
    return m_pSDKDoc.get();
  }
  
  void CPDFXFA_Document::FXRect2PDFRect(const CFX_RectF& fxRectF,
                                        CFX_FloatRect& pdfRect) {
    pdfRect.left = fxRectF.left;
    pdfRect.top = fxRectF.bottom();
    pdfRect.right = fxRectF.right();
    pdfRect.bottom = fxRectF.top;
  }
  
  void CPDFXFA_Document::SetChangeMark(CXFA_FFDoc* hDoc) {
    if (hDoc == m_pXFADoc.get() && m_pSDKDoc) {
      m_pSDKDoc->SetChangeMark();
    }
  }
  
  void CPDFXFA_Document::InvalidateRect(CXFA_FFPageView* pPageView,
                                        const CFX_RectF& rt,
                                        uint32_t dwFlags /* = 0 */) {
    if (!m_pXFADoc || !m_pSDKDoc)
      return;
  
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA)
      return;
  
    CFX_FloatRect rcPage;
    FXRect2PDFRect(rt, rcPage);
  
    CPDFXFA_Page* pPage = GetPage(pPageView);
    if (!pPage)
      return;
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return;
  
    pEnv->FFI_Invalidate((FPDF_PAGE)pPage, rcPage.left, rcPage.bottom,
                         rcPage.right, rcPage.top);
  }
  
  void CPDFXFA_Document::DisplayCaret(CXFA_FFWidget* hWidget,
                                      FX_BOOL bVisible,
                                      const CFX_RectF* pRtAnchor) {
    if (!hWidget || !pRtAnchor || !m_pXFADoc || !m_pSDKDoc || !m_pXFADocView)
      return;
  
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA)
      return;
  
    CXFA_FFWidgetHandler* pWidgetHandler = m_pXFADocView->GetWidgetHandler();
    if (!pWidgetHandler)
      return;
  
    CXFA_FFPageView* pPageView = hWidget->GetPageView();
    if (!pPageView)
      return;
  
    CPDFXFA_Page* pPage = GetPage(pPageView);
    if (!pPage)
      return;
  
    CFX_FloatRect rcCaret;
    FXRect2PDFRect(*pRtAnchor, rcCaret);
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return;
  
    pEnv->FFI_DisplayCaret((FPDF_PAGE)pPage, bVisible, rcCaret.left, rcCaret.top,
                           rcCaret.right, rcCaret.bottom);
  }
  
  FX_BOOL CPDFXFA_Document::GetPopupPos(CXFA_FFWidget* hWidget,
                                        FX_FLOAT fMinPopup,
                                        FX_FLOAT fMaxPopup,
                                        const CFX_RectF& rtAnchor,
                                        CFX_RectF& rtPopup) {
    if (!hWidget)
      return FALSE;
  
    CXFA_FFPageView* pXFAPageView = hWidget->GetPageView();
    if (!pXFAPageView)
      return FALSE;
  
    CPDFXFA_Page* pPage = GetPage(pXFAPageView);
    if (!pPage)
      return FALSE;
  
    CXFA_WidgetAcc* pWidgetAcc = hWidget->GetDataAcc();
    int nRotate = pWidgetAcc->GetRotate();
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return FALSE;
    FS_RECTF pageViewRect = {0.0f, 0.0f, 0.0f, 0.0f};
    pEnv->FFI_GetPageViewRect(pPage, pageViewRect);
  
    CFX_FloatRect rcAnchor;
    rcAnchor.left = rtAnchor.left;
    rcAnchor.top = rtAnchor.bottom();
    rcAnchor.right = rtAnchor.right();
    rcAnchor.bottom = rtAnchor.top;
  
    int t1, t2, t;
    uint32_t dwPos;
    FX_FLOAT fPoupHeight;
    switch (nRotate) {
      case 90: {
        t1 = (int)(pageViewRect.right - rcAnchor.right);
        t2 = (int)(rcAnchor.left - pageViewRect.left);
        if (rcAnchor.bottom < pageViewRect.bottom) {
          rtPopup.left += rcAnchor.bottom - pageViewRect.bottom;
        }
  
        break;
      }
  
      case 180: {
        t2 = (int)(pageViewRect.top - rcAnchor.top);
        t1 = (int)(rcAnchor.bottom - pageViewRect.bottom);
        if (rcAnchor.left < pageViewRect.left) {
          rtPopup.left += rcAnchor.left - pageViewRect.left;
        }
        break;
      }
      case 270: {
        t1 = (int)(rcAnchor.left - pageViewRect.left);
        t2 = (int)(pageViewRect.right - rcAnchor.right);
  
        if (rcAnchor.top > pageViewRect.top) {
          rtPopup.left -= rcAnchor.top - pageViewRect.top;
        }
        break;
      }
      case 0:
      default: {
        t1 = (int)(pageViewRect.top - rcAnchor.top);
        t2 = (int)(rcAnchor.bottom - pageViewRect.bottom);
        if (rcAnchor.right > pageViewRect.right) {
          rtPopup.left -= rcAnchor.right - pageViewRect.right;
        }
        break;
      }
    }
  
    if (t1 <= 0 && t2 <= 0) {
      return FALSE;
    }
    if (t1 <= 0) {
      t = t2;
      dwPos = 1;
    } else if (t2 <= 0) {
      t = t1;
      dwPos = 0;
    } else if (t1 > t2) {
      t = t1;
      dwPos = 0;
    } else {
      t = t2;
      dwPos = 1;
    }
    if (t < fMinPopup) {
      fPoupHeight = fMinPopup;
    } else if (t > fMaxPopup) {
      fPoupHeight = fMaxPopup;
    } else {
      fPoupHeight = (FX_FLOAT)t;
    }
  
    switch (nRotate) {
      case 0:
      case 180: {
        if (dwPos == 0) {
          rtPopup.top = rtAnchor.height;
          rtPopup.height = fPoupHeight;
        } else {
          rtPopup.top = -fPoupHeight;
          rtPopup.height = fPoupHeight;
        }
        break;
      }
      case 90:
      case 270: {
        if (dwPos == 0) {
          rtPopup.top = rtAnchor.width;
          rtPopup.height = fPoupHeight;
        } else {
          rtPopup.top = -fPoupHeight;
          rtPopup.height = fPoupHeight;
        }
        break;
      }
      default:
        break;
    }
  
    return TRUE;
  }
  
  FX_BOOL CPDFXFA_Document::PopupMenu(CXFA_FFWidget* hWidget,
                                      CFX_PointF ptPopup,
                                      const CFX_RectF* pRectExclude) {
    if (!hWidget)
      return FALSE;
  
    CXFA_FFPageView* pXFAPageView = hWidget->GetPageView();
    if (!pXFAPageView)
      return FALSE;
  
    CPDFXFA_Page* pPage = GetPage(pXFAPageView);
    if (!pPage)
      return FALSE;
  
    int menuFlag = 0;
  
    if (hWidget->CanUndo())
      menuFlag |= FXFA_MEMU_UNDO;
    if (hWidget->CanRedo())
      menuFlag |= FXFA_MEMU_REDO;
    if (hWidget->CanPaste())
      menuFlag |= FXFA_MEMU_PASTE;
    if (hWidget->CanCopy())
      menuFlag |= FXFA_MEMU_COPY;
    if (hWidget->CanCut())
      menuFlag |= FXFA_MEMU_CUT;
    if (hWidget->CanSelectAll())
      menuFlag |= FXFA_MEMU_SELECTALL;
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    return pEnv &&
           pEnv->FFI_PopupMenu(pPage, hWidget, menuFlag, ptPopup, nullptr);
  }
  
  void CPDFXFA_Document::PageViewEvent(CXFA_FFPageView* pPageView,
                                       uint32_t dwFlags) {
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return;
  
    if (m_nLoadStatus != FXFA_LOADSTATUS_LOADING &&
        m_nLoadStatus != FXFA_LOADSTATUS_CLOSING &&
        XFA_PAGEVIEWEVENT_StopLayout == dwFlags) {
      int nNewCount = GetPageCount();
      if (nNewCount == m_nPageCount)
        return;
  
      CXFA_FFDocView* pXFADocView = GetXFADocView();
      if (!pXFADocView)
        return;
      for (int iPageIter = 0; iPageIter < m_nPageCount; iPageIter++) {
        CPDFXFA_Page* pPage = m_XFAPageList.GetAt(iPageIter);
        if (!pPage)
          continue;
        m_pSDKDoc->RemovePageView(pPage);
        CXFA_FFPageView* pXFAPageView = pXFADocView->GetPageView(iPageIter);
        pPage->SetXFAPageView(pXFAPageView);
      }
  
      int flag = (nNewCount < m_nPageCount) ? FXFA_PAGEVIEWEVENT_POSTREMOVED
                                            : FXFA_PAGEVIEWEVENT_POSTADDED;
      int count = FXSYS_abs(nNewCount - m_nPageCount);
      m_nPageCount = nNewCount;
      m_XFAPageList.SetSize(nNewCount);
      pEnv->FFI_PageEvent(count, flag);
    }
  }
  
  void CPDFXFA_Document::WidgetPostAdd(CXFA_FFWidget* hWidget,
                                       CXFA_WidgetAcc* pWidgetData) {
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA || !hWidget)
      return;
  
    CXFA_FFPageView* pPageView = hWidget->GetPageView();
    if (!pPageView)
      return;
  
    CPDFXFA_Page* pXFAPage = GetPage(pPageView);
    if (!pXFAPage)
      return;
  
    m_pSDKDoc->GetPageView(pXFAPage, true)->AddAnnot(hWidget);
  }
  
  void CPDFXFA_Document::WidgetPreRemove(CXFA_FFWidget* hWidget,
                                         CXFA_WidgetAcc* pWidgetData) {
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA || !hWidget)
      return;
  
    CXFA_FFPageView* pPageView = hWidget->GetPageView();
    if (!pPageView)
      return;
  
    CPDFXFA_Page* pXFAPage = GetPage(pPageView);
    if (!pXFAPage)
      return;
  
    CPDFSDK_PageView* pSdkPageView = m_pSDKDoc->GetPageView(pXFAPage, true);
    if (CPDFSDK_Annot* pAnnot = pSdkPageView->GetAnnotByXFAWidget(hWidget))
      pSdkPageView->DeleteAnnot(pAnnot);
  }
  
  FX_BOOL CPDFXFA_Document::RenderCustomWidget(CXFA_FFWidget* hWidget,
                                               CFX_Graphics* pGS,
                                               CFX_Matrix* pMatrix,
                                               const CFX_RectF& rtUI) {
    return FALSE;
  }
  
  int32_t CPDFXFA_Document::CountPages(CXFA_FFDoc* hDoc) {
    if (hDoc == m_pXFADoc.get() && m_pSDKDoc)
      return GetPageCount();
    return 0;
  }
  
  int32_t CPDFXFA_Document::GetCurrentPage(CXFA_FFDoc* hDoc) {
    if (hDoc != m_pXFADoc.get() || !m_pSDKDoc)
      return -1;
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA)
      return -1;
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return -1;
  
    return pEnv->FFI_GetCurrentPageIndex(this);
  }
  
  void CPDFXFA_Document::SetCurrentPage(CXFA_FFDoc* hDoc, int32_t iCurPage) {
    if (hDoc != m_pXFADoc.get() || !m_pSDKDoc ||
        m_iDocType != DOCTYPE_DYNAMIC_XFA || iCurPage < 0 ||
        iCurPage >= m_pSDKDoc->GetPageCount()) {
      return;
    }
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return;
    pEnv->FFI_SetCurrentPage(this, iCurPage);
  }
  FX_BOOL CPDFXFA_Document::IsCalculationsEnabled(CXFA_FFDoc* hDoc) {
    if (hDoc != m_pXFADoc.get() || !m_pSDKDoc)
      return FALSE;
    if (m_pSDKDoc->GetInterForm())
      return m_pSDKDoc->GetInterForm()->IsXfaCalculateEnabled();
  
    return FALSE;
  }
  void CPDFXFA_Document::SetCalculationsEnabled(CXFA_FFDoc* hDoc,
                                                FX_BOOL bEnabled) {
    if (hDoc != m_pXFADoc.get() || !m_pSDKDoc)
      return;
    if (m_pSDKDoc->GetInterForm())
      m_pSDKDoc->GetInterForm()->XfaEnableCalculate(bEnabled);
  }
  
  void CPDFXFA_Document::GetTitle(CXFA_FFDoc* hDoc, CFX_WideString& wsTitle) {
    if (hDoc != m_pXFADoc.get() || !m_pPDFDoc)
      return;
  
    CPDF_Dictionary* pInfoDict = m_pPDFDoc->GetInfo();
    if (!pInfoDict)
      return;
  
    CFX_ByteString csTitle = pInfoDict->GetStringBy("Title");
    wsTitle = wsTitle.FromLocal(csTitle.GetBuffer(csTitle.GetLength()));
    csTitle.ReleaseBuffer(csTitle.GetLength());
  }
  
  void CPDFXFA_Document::SetTitle(CXFA_FFDoc* hDoc,
                                  const CFX_WideString& wsTitle) {
    if (hDoc != m_pXFADoc.get() || !m_pPDFDoc)
      return;
  
    if (CPDF_Dictionary* pInfoDict = m_pPDFDoc->GetInfo())
      pInfoDict->SetAt("Title", new CPDF_String(wsTitle));
  }
  
  void CPDFXFA_Document::ExportData(CXFA_FFDoc* hDoc,
                                    const CFX_WideString& wsFilePath,
                                    FX_BOOL bXDP) {
    if (hDoc != m_pXFADoc.get())
      return;
  
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA && m_iDocType != DOCTYPE_STATIC_XFA)
      return;
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return;
  
    int fileType = bXDP ? FXFA_SAVEAS_XDP : FXFA_SAVEAS_XML;
    CFX_ByteString bs = wsFilePath.UTF16LE_Encode();
    if (wsFilePath.IsEmpty()) {
      if (!pEnv->GetFormFillInfo() || !pEnv->GetFormFillInfo()->m_pJsPlatform)
        return;
      CFX_WideString filepath = pEnv->JS_fieldBrowse();
      bs = filepath.UTF16LE_Encode();
    }
    int len = bs.GetLength() / sizeof(unsigned short);
    FPDF_FILEHANDLER* pFileHandler = pEnv->FFI_OpenFile(
        bXDP ? FXFA_SAVEAS_XDP : FXFA_SAVEAS_XML,
        (FPDF_WIDESTRING)bs.GetBuffer(len * sizeof(unsigned short)), "wb");
    bs.ReleaseBuffer(len * sizeof(unsigned short));
    if (!pFileHandler)
      return;
  
    CFPDF_FileStream fileWrite(pFileHandler);
    CFX_ByteString content;
    if (fileType == FXFA_SAVEAS_XML) {
      content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n";
      fileWrite.WriteBlock(content.c_str(), fileWrite.GetSize(),
                           content.GetLength());
      m_pXFADocView->GetDoc()->SavePackage(XFA_HASHCODE_Data, &fileWrite,
                                           nullptr);
    } else if (fileType == FXFA_SAVEAS_XDP) {
      if (!m_pPDFDoc)
        return;
      CPDF_Dictionary* pRoot = m_pPDFDoc->GetRoot();
      if (!pRoot)
        return;
      CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
      if (!pAcroForm)
        return;
      CPDF_Array* pArray = ToArray(pAcroForm->GetObjectBy("XFA"));
      if (!pArray)
        return;
  
      int size = pArray->GetCount();
      for (int i = 1; i < size; i += 2) {
        CPDF_Object* pPDFObj = pArray->GetObjectAt(i);
        CPDF_Object* pPrePDFObj = pArray->GetObjectAt(i - 1);
        if (!pPrePDFObj->IsString())
          continue;
        if (!pPDFObj->IsReference())
          continue;
        CPDF_Stream* pStream = ToStream(pPDFObj->GetDirect());
        if (!pStream)
          continue;
        if (pPrePDFObj->GetString() == "form") {
          m_pXFADocView->GetDoc()->SavePackage(XFA_HASHCODE_Form, &fileWrite,
                                               nullptr);
        } else if (pPrePDFObj->GetString() == "datasets") {
          m_pXFADocView->GetDoc()->SavePackage(XFA_HASHCODE_Datasets, &fileWrite,
                                               nullptr);
        } else {
          if (i == size - 1) {
            CFX_WideString wPath = CFX_WideString::FromUTF16LE(
                reinterpret_cast<const unsigned short*>(bs.c_str()),
                bs.GetLength() / sizeof(unsigned short));
            CFX_ByteString bPath = wPath.UTF8Encode();
            const char* szFormat =
                "\n<pdf href=\"%s\" xmlns=\"http://ns.adobe.com/xdp/pdf/\"/>";
            content.Format(szFormat, bPath.c_str());
            fileWrite.WriteBlock(content.c_str(), fileWrite.GetSize(),
                                 content.GetLength());
          }
          std::unique_ptr<CPDF_StreamAcc> pAcc(new CPDF_StreamAcc);
          pAcc->LoadAllData(pStream);
          fileWrite.WriteBlock(pAcc->GetData(), fileWrite.GetSize(),
                               pAcc->GetSize());
        }
      }
    }
    if (!fileWrite.Flush()) {
      // Ignoring flush error.
    }
  }
  void CPDFXFA_Document::ImportData(CXFA_FFDoc* hDoc,
                                    const CFX_WideString& wsFilePath) {}
  
  void CPDFXFA_Document::GotoURL(CXFA_FFDoc* hDoc,
                                 const CFX_WideString& bsURL,
                                 FX_BOOL bAppend) {
    if (hDoc != m_pXFADoc.get())
      return;
  
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA)
      return;
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return;
  
    CFX_WideStringC str(bsURL.c_str());
  
    pEnv->FFI_GotoURL(this, str, bAppend);
  }
  
  FX_BOOL CPDFXFA_Document::IsValidationsEnabled(CXFA_FFDoc* hDoc) {
    if (hDoc != m_pXFADoc.get() || !m_pSDKDoc)
      return FALSE;
    if (m_pSDKDoc->GetInterForm())
      return m_pSDKDoc->GetInterForm()->IsXfaValidationsEnabled();
  
    return TRUE;
  }
  void CPDFXFA_Document::SetValidationsEnabled(CXFA_FFDoc* hDoc,
                                               FX_BOOL bEnabled) {
    if (hDoc != m_pXFADoc.get() || !m_pSDKDoc)
      return;
    if (m_pSDKDoc->GetInterForm())
      m_pSDKDoc->GetInterForm()->XfaSetValidationsEnabled(bEnabled);
  }
  void CPDFXFA_Document::SetFocusWidget(CXFA_FFDoc* hDoc,
                                        CXFA_FFWidget* hWidget) {
    if (hDoc != m_pXFADoc.get())
      return;
  
    if (!hWidget) {
      m_pSDKDoc->SetFocusAnnot(nullptr);
      return;
    }
  
    int pageViewCount = m_pSDKDoc->GetPageViewCount();
    for (int i = 0; i < pageViewCount; i++) {
      CPDFSDK_PageView* pPageView = m_pSDKDoc->GetPageView(i);
      if (!pPageView)
        continue;
      CPDFSDK_Annot* pAnnot = pPageView->GetAnnotByXFAWidget(hWidget);
      if (pAnnot) {
        m_pSDKDoc->SetFocusAnnot(pAnnot);
        break;
      }
    }
  }
  void CPDFXFA_Document::Print(CXFA_FFDoc* hDoc,
                               int32_t nStartPage,
                               int32_t nEndPage,
                               uint32_t dwOptions) {
    if (hDoc != m_pXFADoc.get())
      return;
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv || !pEnv->GetFormFillInfo() ||
        !pEnv->GetFormFillInfo()->m_pJsPlatform ||
        !pEnv->GetFormFillInfo()->m_pJsPlatform->Doc_print) {
      return;
    }
  
    pEnv->GetFormFillInfo()->m_pJsPlatform->Doc_print(
        pEnv->GetFormFillInfo()->m_pJsPlatform,
        dwOptions & XFA_PRINTOPT_ShowDialog, nStartPage, nEndPage,
        dwOptions & XFA_PRINTOPT_CanCancel, dwOptions & XFA_PRINTOPT_ShrinkPage,
        dwOptions & XFA_PRINTOPT_AsImage, dwOptions & XFA_PRINTOPT_ReverseOrder,
        dwOptions & XFA_PRINTOPT_PrintAnnot);
  }
  
  int32_t CPDFXFA_Document::AbsPageCountInBatch(CXFA_FFDoc* hDoc) {
    return 0;
  }
  
  int32_t CPDFXFA_Document::AbsPageInBatch(CXFA_FFDoc* hDoc,
                                           CXFA_FFWidget* hWidget) {
    return 0;
  }
  
  int32_t CPDFXFA_Document::SheetCountInBatch(CXFA_FFDoc* hDoc) {
    return 0;
  }
  
  int32_t CPDFXFA_Document::SheetInBatch(CXFA_FFDoc* hDoc,
                                         CXFA_FFWidget* hWidget) {
    return 0;
  }
  
  int32_t CPDFXFA_Document::Verify(CXFA_FFDoc* hDoc,
                                   CXFA_Node* pSigNode,
                                   FX_BOOL bUsed) {
    return 0;
  }
  
  FX_BOOL CPDFXFA_Document::Sign(CXFA_FFDoc* hDoc,
                                 CXFA_NodeList* pNodeList,
                                 const CFX_WideStringC& wsExpression,
                                 const CFX_WideStringC& wsXMLIdent,
                                 const CFX_WideStringC& wsValue,
                                 FX_BOOL bUsed) {
    return 0;
  }
  
  CXFA_NodeList* CPDFXFA_Document::Enumerate(CXFA_FFDoc* hDoc) {
    return 0;
  }
  
  FX_BOOL CPDFXFA_Document::Clear(CXFA_FFDoc* hDoc,
                                  CXFA_Node* pSigNode,
                                  FX_BOOL bCleared) {
    return 0;
  }
  
  void CPDFXFA_Document::GetURL(CXFA_FFDoc* hDoc, CFX_WideString& wsDocURL) {
    if (hDoc != m_pXFADoc.get())
      return;
  
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return;
  
    pEnv->FFI_GetURL(this, wsDocURL);
  }
  
  FX_ARGB CPDFXFA_Document::GetHighlightColor(CXFA_FFDoc* hDoc) {
    if (hDoc != m_pXFADoc.get())
      return 0;
    if (m_pSDKDoc) {
      if (CPDFSDK_InterForm* pInterForm = m_pSDKDoc->GetInterForm()) {
        FX_COLORREF color = pInterForm->GetHighlightColor(FPDF_FORMFIELD_XFA);
        uint8_t alpha = pInterForm->GetHighlightAlpha();
        FX_ARGB argb = ArgbEncode((int)alpha, color);
        return argb;
      }
    }
    return 0;
  }
  
  FX_BOOL CPDFXFA_Document::_NotifySubmit(FX_BOOL bPrevOrPost) {
    if (bPrevOrPost)
      return _OnBeforeNotifySumbit();
  
    _OnAfterNotifySumbit();
    return TRUE;
  }
  
  FX_BOOL CPDFXFA_Document::_OnBeforeNotifySumbit() {
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA && m_iDocType != DOCTYPE_STATIC_XFA)
      return TRUE;
  
    if (!m_pXFADocView)
      return TRUE;
  
    CXFA_FFWidgetHandler* pWidgetHandler = m_pXFADocView->GetWidgetHandler();
    if (!pWidgetHandler)
      return TRUE;
  
    std::unique_ptr<CXFA_WidgetAccIterator> pWidgetAccIterator(
        m_pXFADocView->CreateWidgetAccIterator());
    if (pWidgetAccIterator) {
      CXFA_EventParam Param;
      Param.m_eType = XFA_EVENT_PreSubmit;
      while (CXFA_WidgetAcc* pWidgetAcc = pWidgetAccIterator->MoveToNext())
        pWidgetHandler->ProcessEvent(pWidgetAcc, &Param);
    }
  
    pWidgetAccIterator.reset(m_pXFADocView->CreateWidgetAccIterator());
    if (pWidgetAccIterator) {
      CXFA_WidgetAcc* pWidgetAcc = pWidgetAccIterator->MoveToNext();
      pWidgetAcc = pWidgetAccIterator->MoveToNext();
      while (pWidgetAcc) {
        int fRet = pWidgetAcc->ProcessValidate(-1);
        if (fRet == XFA_EVENTERROR_Error) {
          CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
          if (!pEnv)
            return FALSE;
          CFX_WideString ws;
          ws.FromLocal(IDS_XFA_Validate_Input);
          CFX_ByteString bs = ws.UTF16LE_Encode();
          int len = bs.GetLength() / sizeof(unsigned short);
          pEnv->FFI_Alert(
              (FPDF_WIDESTRING)bs.GetBuffer(len * sizeof(unsigned short)),
              (FPDF_WIDESTRING)L"", 0, 1);
          bs.ReleaseBuffer(len * sizeof(unsigned short));
          return FALSE;
        }
        pWidgetAcc = pWidgetAccIterator->MoveToNext();
      }
      m_pXFADocView->UpdateDocView();
    }
    return TRUE;
  }
  
  void CPDFXFA_Document::_OnAfterNotifySumbit() {
    if (m_iDocType != DOCTYPE_DYNAMIC_XFA && m_iDocType != DOCTYPE_STATIC_XFA)
      return;
  
    if (!m_pXFADocView)
      return;
  
    CXFA_FFWidgetHandler* pWidgetHandler = m_pXFADocView->GetWidgetHandler();
    if (!pWidgetHandler)
      return;
  
    std::unique_ptr<CXFA_WidgetAccIterator> pWidgetAccIterator(
        m_pXFADocView->CreateWidgetAccIterator());
    if (!pWidgetAccIterator)
      return;
  
    CXFA_EventParam Param;
    Param.m_eType = XFA_EVENT_PostSubmit;
    CXFA_WidgetAcc* pWidgetAcc = pWidgetAccIterator->MoveToNext();
    while (pWidgetAcc) {
      pWidgetHandler->ProcessEvent(pWidgetAcc, &Param);
      pWidgetAcc = pWidgetAccIterator->MoveToNext();
    }
    m_pXFADocView->UpdateDocView();
  }
  
  FX_BOOL CPDFXFA_Document::SubmitData(CXFA_FFDoc* hDoc, CXFA_Submit submit) {
    if (!_NotifySubmit(TRUE) || !m_pXFADocView)
      return FALSE;
    m_pXFADocView->UpdateDocView();
  
    FX_BOOL ret = _SubmitData(hDoc, submit);
    _NotifySubmit(FALSE);
    return ret;
  }
  
  FX_BOOL CPDFXFA_Document::CheckWord(CXFA_FFDoc* hDoc,
                                      const CFX_ByteStringC& sWord) {
    return FALSE;
  }
  
  FX_BOOL CPDFXFA_Document::GetSuggestWords(
      CXFA_FFDoc* hDoc,
      const CFX_ByteStringC& sWord,
      std::vector<CFX_ByteString>& sSuggest) {
    return FALSE;
  }
  
  IFX_FileRead* CPDFXFA_Document::OpenLinkedFile(CXFA_FFDoc* hDoc,
                                                 const CFX_WideString& wsLink) {
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return FALSE;
    CFX_ByteString bs = wsLink.UTF16LE_Encode();
    int len = bs.GetLength() / sizeof(unsigned short);
    FPDF_FILEHANDLER* pFileHandler = pEnv->FFI_OpenFile(
        0, (FPDF_WIDESTRING)bs.GetBuffer(len * sizeof(unsigned short)), "rb");
    bs.ReleaseBuffer(len * sizeof(unsigned short));
  
    if (!pFileHandler)
      return nullptr;
    return new CFPDF_FileStream(pFileHandler);
  }
  FX_BOOL CPDFXFA_Document::_ExportSubmitFile(FPDF_FILEHANDLER* pFileHandler,
                                              int fileType,
                                              FPDF_DWORD encodeType,
                                              FPDF_DWORD flag) {
    if (!m_pXFADocView)
      return FALSE;
  
    CFX_ByteString content;
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return FALSE;
  
    CFPDF_FileStream fileStream(pFileHandler);
  
    if (fileType == FXFA_SAVEAS_XML) {
      const char kContent[] = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n";
      fileStream.WriteBlock(kContent, 0, strlen(kContent));
      m_pXFADoc->SavePackage(XFA_HASHCODE_Data, &fileStream, nullptr);
      return TRUE;
    }
  
    if (fileType != FXFA_SAVEAS_XDP)
      return TRUE;
  
    if (!flag) {
      flag = FXFA_CONFIG | FXFA_TEMPLATE | FXFA_LOCALESET | FXFA_DATASETS |
             FXFA_XMPMETA | FXFA_XFDF | FXFA_FORM;
    }
    if (!m_pPDFDoc) {
      fileStream.Flush();
      return FALSE;
    }
    CPDF_Dictionary* pRoot = m_pPDFDoc->GetRoot();
    if (!pRoot) {
      fileStream.Flush();
      return FALSE;
    }
    CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
    if (!pAcroForm) {
      fileStream.Flush();
      return FALSE;
    }
    CPDF_Array* pArray = ToArray(pAcroForm->GetObjectBy("XFA"));
    if (!pArray) {
      fileStream.Flush();
      return FALSE;
    }
  
    int size = pArray->GetCount();
    for (int i = 1; i < size; i += 2) {
      CPDF_Object* pPDFObj = pArray->GetObjectAt(i);
      CPDF_Object* pPrePDFObj = pArray->GetObjectAt(i - 1);
      if (!pPrePDFObj->IsString())
        continue;
      if (!pPDFObj->IsReference())
        continue;
      CPDF_Object* pDirectObj = pPDFObj->GetDirect();
      if (!pDirectObj->IsStream())
        continue;
      if (pPrePDFObj->GetString() == "config" && !(flag & FXFA_CONFIG))
        continue;
      if (pPrePDFObj->GetString() == "template" && !(flag & FXFA_TEMPLATE))
        continue;
      if (pPrePDFObj->GetString() == "localeSet" && !(flag & FXFA_LOCALESET))
        continue;
      if (pPrePDFObj->GetString() == "datasets" && !(flag & FXFA_DATASETS))
        continue;
      if (pPrePDFObj->GetString() == "xmpmeta" && !(flag & FXFA_XMPMETA))
        continue;
      if (pPrePDFObj->GetString() == "xfdf" && !(flag & FXFA_XFDF))
        continue;
      if (pPrePDFObj->GetString() == "form" && !(flag & FXFA_FORM))
        continue;
      if (pPrePDFObj->GetString() == "form") {
        m_pXFADoc->SavePackage(XFA_HASHCODE_Form, &fileStream, nullptr);
      } else if (pPrePDFObj->GetString() == "datasets") {
        m_pXFADoc->SavePackage(XFA_HASHCODE_Datasets, &fileStream, nullptr);
      } else {
        // PDF,creator.
      }
    }
    return TRUE;
  }
  
  void CPDFXFA_Document::_ClearChangeMark() {
    if (m_pSDKDoc)
      m_pSDKDoc->ClearChangeMark();
  }
  
  void CPDFXFA_Document::_ToXFAContentFlags(CFX_WideString csSrcContent,
                                            FPDF_DWORD& flag) {
    if (csSrcContent.Find(L" config ", 0) != -1)
      flag |= FXFA_CONFIG;
    if (csSrcContent.Find(L" template ", 0) != -1)
      flag |= FXFA_TEMPLATE;
    if (csSrcContent.Find(L" localeSet ", 0) != -1)
      flag |= FXFA_LOCALESET;
    if (csSrcContent.Find(L" datasets ", 0) != -1)
      flag |= FXFA_DATASETS;
    if (csSrcContent.Find(L" xmpmeta ", 0) != -1)
      flag |= FXFA_XMPMETA;
    if (csSrcContent.Find(L" xfdf ", 0) != -1)
      flag |= FXFA_XFDF;
    if (csSrcContent.Find(L" form ", 0) != -1)
      flag |= FXFA_FORM;
    if (flag == 0)
      flag = FXFA_CONFIG | FXFA_TEMPLATE | FXFA_LOCALESET | FXFA_DATASETS |
             FXFA_XMPMETA | FXFA_XFDF | FXFA_FORM;
  }
  FX_BOOL CPDFXFA_Document::_MailToInfo(CFX_WideString& csURL,
                                        CFX_WideString& csToAddress,
                                        CFX_WideString& csCCAddress,
                                        CFX_WideString& csBCCAddress,
                                        CFX_WideString& csSubject,
                                        CFX_WideString& csMsg) {
    CFX_WideString srcURL = csURL;
    srcURL.TrimLeft();
    if (0 != srcURL.Left(7).CompareNoCase(L"mailto:"))
      return FALSE;
    int pos = srcURL.Find(L'?', 0);
    CFX_WideString tmp;
    if (pos == -1) {
      pos = srcURL.Find(L'@', 0);
      if (pos == -1)
        return FALSE;
  
      tmp = srcURL.Right(csURL.GetLength() - 7);
      tmp.TrimLeft();
      tmp.TrimRight();
    } else {
      tmp = srcURL.Left(pos);
      tmp = tmp.Right(tmp.GetLength() - 7);
      tmp.TrimLeft();
      tmp.TrimRight();
    }
  
    csToAddress = tmp;
  
    srcURL = srcURL.Right(srcURL.GetLength() - (pos + 1));
    while (!srcURL.IsEmpty()) {
      srcURL.TrimLeft();
      srcURL.TrimRight();
      pos = srcURL.Find(L'&', 0);
      if (pos == -1)
        tmp = srcURL;
      else
        tmp = srcURL.Left(pos);
  
      tmp.TrimLeft();
      tmp.TrimRight();
      if (tmp.GetLength() >= 3 && 0 == tmp.Left(3).CompareNoCase(L"cc=")) {
        tmp = tmp.Right(tmp.GetLength() - 3);
        if (!csCCAddress.IsEmpty())
          csCCAddress += L';';
        csCCAddress += tmp;
  
      } else if (tmp.GetLength() >= 4 &&
                 0 == tmp.Left(4).CompareNoCase(L"bcc=")) {
        tmp = tmp.Right(tmp.GetLength() - 4);
        if (!csBCCAddress.IsEmpty())
          csBCCAddress += L';';
        csBCCAddress += tmp;
      } else if (tmp.GetLength() >= 8 &&
                 0 == tmp.Left(8).CompareNoCase(L"subject=")) {
        tmp = tmp.Right(tmp.GetLength() - 8);
        csSubject += tmp;
      } else if (tmp.GetLength() >= 5 &&
                 0 == tmp.Left(5).CompareNoCase(L"body=")) {
        tmp = tmp.Right(tmp.GetLength() - 5);
        csMsg += tmp;
      }
      if (pos == -1)
        srcURL = L"";
      else
        srcURL = srcURL.Right(csURL.GetLength() - (pos + 1));
    }
    csToAddress.Replace(L",", L";");
    csCCAddress.Replace(L",", L";");
    csBCCAddress.Replace(L",", L";");
    return TRUE;
  }
  
  FX_BOOL CPDFXFA_Document::_SubmitData(CXFA_FFDoc* hDoc, CXFA_Submit submit) {
    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
    if (!pEnv)
      return FALSE;
    CFX_WideStringC csURLC;
    submit.GetSubmitTarget(csURLC);
    CFX_WideString csURL(csURLC);
    if (csURL.IsEmpty()) {
      CFX_WideString ws;
      ws.FromLocal("Submit cancelled.");
      CFX_ByteString bs = ws.UTF16LE_Encode();
      int len = bs.GetLength() / sizeof(unsigned short);
      pEnv->FFI_Alert((FPDF_WIDESTRING)bs.GetBuffer(len * sizeof(unsigned short)),
                      (FPDF_WIDESTRING)L"", 0, 4);
      bs.ReleaseBuffer(len * sizeof(unsigned short));
      return FALSE;
    }
    FPDF_BOOL bRet = TRUE;
    FPDF_FILEHANDLER* pFileHandler = nullptr;
    int fileFlag = -1;
    switch (submit.GetSubmitFormat()) {
      case XFA_ATTRIBUTEENUM_Xdp: {
        CFX_WideStringC csContentC;
        submit.GetSubmitXDPContent(csContentC);
        CFX_WideString csContent;
        csContent = csContentC;
        csContent.TrimLeft();
        csContent.TrimRight();
        CFX_WideString space;
        space.FromLocal(" ");
        csContent = space + csContent + space;
        FPDF_DWORD flag = 0;
        if (submit.IsSubmitEmbedPDF())
          flag |= FXFA_PDF;
        _ToXFAContentFlags(csContent, flag);
        pFileHandler = pEnv->FFI_OpenFile(FXFA_SAVEAS_XDP, nullptr, "wb");
        fileFlag = FXFA_SAVEAS_XDP;
        _ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XDP, 0, flag);
        break;
      }
      case XFA_ATTRIBUTEENUM_Xml:
        pFileHandler = pEnv->FFI_OpenFile(FXFA_SAVEAS_XML, nullptr, "wb");
        fileFlag = FXFA_SAVEAS_XML;
        _ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XML, 0);
        break;
      case XFA_ATTRIBUTEENUM_Pdf:
        break;
      case XFA_ATTRIBUTEENUM_Urlencoded:
        pFileHandler = pEnv->FFI_OpenFile(FXFA_SAVEAS_XML, nullptr, "wb");
        fileFlag = FXFA_SAVEAS_XML;
        _ExportSubmitFile(pFileHandler, FXFA_SAVEAS_XML, 0);
        break;
      default:
        return false;
    }
    if (!pFileHandler)
      return FALSE;
    if (0 == csURL.Left(7).CompareNoCase(L"mailto:")) {
      CFX_WideString csToAddress;
      CFX_WideString csCCAddress;
      CFX_WideString csBCCAddress;
      CFX_WideString csSubject;
      CFX_WideString csMsg;
      bRet = _MailToInfo(csURL, csToAddress, csCCAddress, csBCCAddress, csSubject,
                         csMsg);
      if (!bRet)
        return FALSE;
      CFX_ByteString bsTo = CFX_WideString(csToAddress).UTF16LE_Encode();
      CFX_ByteString bsCC = CFX_WideString(csCCAddress).UTF16LE_Encode();
      CFX_ByteString bsBcc = CFX_WideString(csBCCAddress).UTF16LE_Encode();
      CFX_ByteString bsSubject = CFX_WideString(csSubject).UTF16LE_Encode();
      CFX_ByteString bsMsg = CFX_WideString(csMsg).UTF16LE_Encode();
      FPDF_WIDESTRING pTo = (FPDF_WIDESTRING)bsTo.GetBuffer(bsTo.GetLength());
      FPDF_WIDESTRING pCC = (FPDF_WIDESTRING)bsCC.GetBuffer(bsCC.GetLength());
      FPDF_WIDESTRING pBcc = (FPDF_WIDESTRING)bsBcc.GetBuffer(bsBcc.GetLength());
      FPDF_WIDESTRING pSubject =
          (FPDF_WIDESTRING)bsSubject.GetBuffer(bsSubject.GetLength());
      FPDF_WIDESTRING pMsg = (FPDF_WIDESTRING)bsMsg.GetBuffer(bsMsg.GetLength());
      pEnv->FFI_EmailTo(pFileHandler, pTo, pSubject, pCC, pBcc, pMsg);
      bsTo.ReleaseBuffer();
      bsCC.ReleaseBuffer();
      bsBcc.ReleaseBuffer();
      bsSubject.ReleaseBuffer();
      bsMsg.ReleaseBuffer();
    } else {
      // HTTP or FTP
      CFX_WideString ws;
      CFX_ByteString bs = csURL.UTF16LE_Encode();
      int len = bs.GetLength() / sizeof(unsigned short);
      pEnv->FFI_UploadTo(
          pFileHandler, fileFlag,
          (FPDF_WIDESTRING)bs.GetBuffer(len * sizeof(unsigned short)));
      bs.ReleaseBuffer(len * sizeof(unsigned short));
    }
    return bRet;
  }
  
  FX_BOOL CPDFXFA_Document::SetGlobalProperty(CXFA_FFDoc* hDoc,
                                              const CFX_ByteStringC& szPropName,
                                              CFXJSE_Value* pValue) {
    if (hDoc != m_pXFADoc.get())
      return FALSE;
  
    if (m_pSDKDoc && m_pSDKDoc->GetEnv()->GetJSRuntime())
      return m_pSDKDoc->GetEnv()->GetJSRuntime()->SetValueByName(szPropName,
                                                                 pValue);
    return FALSE;
  }
  FX_BOOL CPDFXFA_Document::GetPDFScriptObject(CXFA_FFDoc* hDoc,
                                               const CFX_ByteStringC& utf8Name,
                                               CFXJSE_Value* pValue) {
    if (hDoc != m_pXFADoc.get())
      return FALSE;
  
    if (!m_pSDKDoc || !m_pSDKDoc->GetEnv()->GetJSRuntime())
      return FALSE;
  
    if (!m_pJSContext) {
      m_pSDKDoc->GetEnv()->GetJSRuntime()->SetReaderDocument(m_pSDKDoc.get());
      m_pJSContext = m_pSDKDoc->GetEnv()->GetJSRuntime()->NewContext();
    }
  
    return m_pSDKDoc->GetEnv()->GetJSRuntime()->GetValueByName(utf8Name, pValue);
  }
  FX_BOOL CPDFXFA_Document::GetGlobalProperty(CXFA_FFDoc* hDoc,
                                              const CFX_ByteStringC& szPropName,
                                              CFXJSE_Value* pValue) {
    if (hDoc != m_pXFADoc.get())
      return FALSE;
    if (!m_pSDKDoc || !m_pSDKDoc->GetEnv()->GetJSRuntime())
      return FALSE;
  
    if (!m_pJSContext) {
      m_pSDKDoc->GetEnv()->GetJSRuntime()->SetReaderDocument(m_pSDKDoc.get());
      m_pJSContext = m_pSDKDoc->GetEnv()->GetJSRuntime()->NewContext();
    }
  
    return m_pSDKDoc->GetEnv()->GetJSRuntime()->GetValueByName(szPropName,
                                                               pValue);
  }
  
  CPDF_Document* CPDFXFA_Document::OpenPDF(CXFA_FFDoc* hDoc,
                                           IFX_FileRead* pFile,
                                           FX_BOOL bTakeOverFile) {
    return nullptr;
  }
  