Rename CPDFSDK_Environment to CPDFSDK_FormfillEnvironment

Rename CPDFSDK_Environment to make it explicit that this is part of the formfill
system.

Review-Url: https://codereview.chromium.org/2391313002

1 files changed, 554 insertions, 0 deletions

diff --git a/fpdfsdk/cpdfsdk_formfillenvironment.cpp b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
new file mode 100644
index 0000000000..5b05d08128
--- /dev/null
+++ b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
@@ -0,0 +1,554 @@
+// Copyright 2016 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/cpdfsdk_formfillenvironment.h"
+
+#include <memory>
+
+#include "fpdfsdk/cpdfsdk_annothandlermgr.h"
+#include "fpdfsdk/cpdfsdk_document.h"
+#include "fpdfsdk/formfiller/cffl_interactiveformfiller.h"
+#include "fpdfsdk/fsdk_actionhandler.h"
+#include "fpdfsdk/javascript/ijs_runtime.h"
+#include "third_party/base/ptr_util.h"
+
+#ifdef PDF_ENABLE_XFA
+#include "fpdfsdk/fpdfxfa/cpdfxfa_app.h"
+#endif  // PDF_ENABLE_XFA
+
+namespace {
+
+// NOTE: |bsUTF16LE| must outlive the use of the result. Care must be taken
+// since modifying the result would impact |bsUTF16LE|.
+FPDF_WIDESTRING AsFPDFWideString(CFX_ByteString* bsUTF16LE) {
+  return reinterpret_cast<FPDF_WIDESTRING>(
+      bsUTF16LE->GetBuffer(bsUTF16LE->GetLength()));
+}
+
+}  // namespace
+
+CPDFSDK_FormFillEnvironment::CPDFSDK_FormFillEnvironment(
+    UnderlyingDocumentType* pDoc,
+    FPDF_FORMFILLINFO* pFFinfo)
+    : m_pInfo(pFFinfo),
+      m_pSDKDoc(new CPDFSDK_Document(pDoc, this)),
+      m_pUnderlyingDoc(pDoc),
+      m_pSysHandler(new CFX_SystemHandler(this)) {}
+
+CPDFSDK_FormFillEnvironment::~CPDFSDK_FormFillEnvironment() {
+#ifdef PDF_ENABLE_XFA
+  CPDFXFA_App* pProvider = CPDFXFA_App::GetInstance();
+  if (pProvider->m_pEnvList.GetSize() == 0)
+    pProvider->SetJavaScriptInitialized(FALSE);
+#endif  // PDF_ENABLE_XFA
+  if (m_pInfo && m_pInfo->Release)
+    m_pInfo->Release(m_pInfo);
+}
+
+int CPDFSDK_FormFillEnvironment::JS_appAlert(const FX_WCHAR* Msg,
+                                             const FX_WCHAR* Title,
+                                             uint32_t Type,
+                                             uint32_t Icon) {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->app_alert) {
+    return -1;
+  }
+  CFX_ByteString bsMsg = CFX_WideString(Msg).UTF16LE_Encode();
+  CFX_ByteString bsTitle = CFX_WideString(Title).UTF16LE_Encode();
+  return m_pInfo->m_pJsPlatform->app_alert(
+      m_pInfo->m_pJsPlatform, AsFPDFWideString(&bsMsg),
+      AsFPDFWideString(&bsTitle), Type, Icon);
+}
+
+int CPDFSDK_FormFillEnvironment::JS_appResponse(const FX_WCHAR* Question,
+                                                const FX_WCHAR* Title,
+                                                const FX_WCHAR* Default,
+                                                const FX_WCHAR* cLabel,
+                                                FPDF_BOOL bPassword,
+                                                void* response,
+                                                int length) {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->app_response) {
+    return -1;
+  }
+  CFX_ByteString bsQuestion = CFX_WideString(Question).UTF16LE_Encode();
+  CFX_ByteString bsTitle = CFX_WideString(Title).UTF16LE_Encode();
+  CFX_ByteString bsDefault = CFX_WideString(Default).UTF16LE_Encode();
+  CFX_ByteString bsLabel = CFX_WideString(cLabel).UTF16LE_Encode();
+  return m_pInfo->m_pJsPlatform->app_response(
+      m_pInfo->m_pJsPlatform, AsFPDFWideString(&bsQuestion),
+      AsFPDFWideString(&bsTitle), AsFPDFWideString(&bsDefault),
+      AsFPDFWideString(&bsLabel), bPassword, response, length);
+}
+
+void CPDFSDK_FormFillEnvironment::JS_appBeep(int nType) {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->app_beep) {
+    return;
+  }
+  m_pInfo->m_pJsPlatform->app_beep(m_pInfo->m_pJsPlatform, nType);
+}
+
+CFX_WideString CPDFSDK_FormFillEnvironment::JS_fieldBrowse() {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->Field_browse) {
+    return CFX_WideString();
+  }
+  const int nRequiredLen =
+      m_pInfo->m_pJsPlatform->Field_browse(m_pInfo->m_pJsPlatform, nullptr, 0);
+  if (nRequiredLen <= 0)
+    return CFX_WideString();
+
+  std::unique_ptr<char[]> pBuff(new char[nRequiredLen]);
+  memset(pBuff.get(), 0, nRequiredLen);
+  const int nActualLen = m_pInfo->m_pJsPlatform->Field_browse(
+      m_pInfo->m_pJsPlatform, pBuff.get(), nRequiredLen);
+  if (nActualLen <= 0 || nActualLen > nRequiredLen)
+    return CFX_WideString();
+
+  return CFX_WideString::FromLocal(CFX_ByteStringC(pBuff.get(), nActualLen));
+}
+
+CFX_WideString CPDFSDK_FormFillEnvironment::JS_docGetFilePath() {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->Doc_getFilePath) {
+    return CFX_WideString();
+  }
+  const int nRequiredLen = m_pInfo->m_pJsPlatform->Doc_getFilePath(
+      m_pInfo->m_pJsPlatform, nullptr, 0);
+  if (nRequiredLen <= 0)
+    return CFX_WideString();
+
+  std::unique_ptr<char[]> pBuff(new char[nRequiredLen]);
+  memset(pBuff.get(), 0, nRequiredLen);
+  const int nActualLen = m_pInfo->m_pJsPlatform->Doc_getFilePath(
+      m_pInfo->m_pJsPlatform, pBuff.get(), nRequiredLen);
+  if (nActualLen <= 0 || nActualLen > nRequiredLen)
+    return CFX_WideString();
+
+  return CFX_WideString::FromLocal(CFX_ByteStringC(pBuff.get(), nActualLen));
+}
+
+void CPDFSDK_FormFillEnvironment::JS_docSubmitForm(void* formData,
+                                                   int length,
+                                                   const FX_WCHAR* URL) {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->Doc_submitForm) {
+    return;
+  }
+  CFX_ByteString bsDestination = CFX_WideString(URL).UTF16LE_Encode();
+  m_pInfo->m_pJsPlatform->Doc_submitForm(m_pInfo->m_pJsPlatform, formData,
+                                         length,
+                                         AsFPDFWideString(&bsDestination));
+}
+
+void CPDFSDK_FormFillEnvironment::JS_docmailForm(void* mailData,
+                                                 int length,
+                                                 FPDF_BOOL bUI,
+                                                 const FX_WCHAR* To,
+                                                 const FX_WCHAR* Subject,
+                                                 const FX_WCHAR* CC,
+                                                 const FX_WCHAR* BCC,
+                                                 const FX_WCHAR* Msg) {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->Doc_mail) {
+    return;
+  }
+  CFX_ByteString bsTo = CFX_WideString(To).UTF16LE_Encode();
+  CFX_ByteString bsSubject = CFX_WideString(Subject).UTF16LE_Encode();
+  CFX_ByteString bsCC = CFX_WideString(CC).UTF16LE_Encode();
+  CFX_ByteString bsBcc = CFX_WideString(BCC).UTF16LE_Encode();
+  CFX_ByteString bsMsg = CFX_WideString(Msg).UTF16LE_Encode();
+  m_pInfo->m_pJsPlatform->Doc_mail(
+      m_pInfo->m_pJsPlatform, mailData, length, bUI, AsFPDFWideString(&bsTo),
+      AsFPDFWideString(&bsSubject), AsFPDFWideString(&bsCC),
+      AsFPDFWideString(&bsBcc), AsFPDFWideString(&bsMsg));
+}
+
+void CPDFSDK_FormFillEnvironment::JS_docprint(FPDF_BOOL bUI,
+                                              int nStart,
+                                              int nEnd,
+                                              FPDF_BOOL bSilent,
+                                              FPDF_BOOL bShrinkToFit,
+                                              FPDF_BOOL bPrintAsImage,
+                                              FPDF_BOOL bReverse,
+                                              FPDF_BOOL bAnnotations) {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->Doc_print) {
+    return;
+  }
+  m_pInfo->m_pJsPlatform->Doc_print(m_pInfo->m_pJsPlatform, bUI, nStart, nEnd,
+                                    bSilent, bShrinkToFit, bPrintAsImage,
+                                    bReverse, bAnnotations);
+}
+
+void CPDFSDK_FormFillEnvironment::JS_docgotoPage(int nPageNum) {
+  if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
+      !m_pInfo->m_pJsPlatform->Doc_gotoPage) {
+    return;
+  }
+  m_pInfo->m_pJsPlatform->Doc_gotoPage(m_pInfo->m_pJsPlatform, nPageNum);
+}
+
+IJS_Runtime* CPDFSDK_FormFillEnvironment::GetJSRuntime() {
+  if (!IsJSInitiated())
+    return nullptr;
+  if (!m_pJSRuntime)
+    m_pJSRuntime.reset(IJS_Runtime::Create(this));
+  return m_pJSRuntime.get();
+}
+
+CPDFSDK_AnnotHandlerMgr* CPDFSDK_FormFillEnvironment::GetAnnotHandlerMgr() {
+  if (!m_pAnnotHandlerMgr)
+    m_pAnnotHandlerMgr = pdfium::MakeUnique<CPDFSDK_AnnotHandlerMgr>(this);
+  return m_pAnnotHandlerMgr.get();
+}
+
+CPDFSDK_ActionHandler* CPDFSDK_FormFillEnvironment::GetActionHander() {
+  if (!m_pActionHandler)
+    m_pActionHandler = pdfium::MakeUnique<CPDFSDK_ActionHandler>();
+  return m_pActionHandler.get();
+}
+
+CFFL_InteractiveFormFiller*
+CPDFSDK_FormFillEnvironment::GetInteractiveFormFiller() {
+  if (!m_pFormFiller)
+    m_pFormFiller = pdfium::MakeUnique<CFFL_InteractiveFormFiller>(this);
+  return m_pFormFiller.get();
+}
+
+void CPDFSDK_FormFillEnvironment::Invalidate(FPDF_PAGE page,
+                                             double left,
+                                             double top,
+                                             double right,
+                                             double bottom) {
+  if (m_pInfo && m_pInfo->FFI_Invalidate)
+    m_pInfo->FFI_Invalidate(m_pInfo, page, left, top, right, bottom);
+}
+
+void CPDFSDK_FormFillEnvironment::OutputSelectedRect(FPDF_PAGE page,
+                                                     double left,
+                                                     double top,
+                                                     double right,
+                                                     double bottom) {
+  if (m_pInfo && m_pInfo->FFI_OutputSelectedRect)
+    m_pInfo->FFI_OutputSelectedRect(m_pInfo, page, left, top, right, bottom);
+}
+
+void CPDFSDK_FormFillEnvironment::SetCursor(int nCursorType) {
+  if (m_pInfo && m_pInfo->FFI_SetCursor)
+    m_pInfo->FFI_SetCursor(m_pInfo, nCursorType);
+}
+
+int CPDFSDK_FormFillEnvironment::SetTimer(int uElapse,
+                                          TimerCallback lpTimerFunc) {
+  if (m_pInfo && m_pInfo->FFI_SetTimer)
+    return m_pInfo->FFI_SetTimer(m_pInfo, uElapse, lpTimerFunc);
+  return -1;
+}
+
+void CPDFSDK_FormFillEnvironment::KillTimer(int nTimerID) {
+  if (m_pInfo && m_pInfo->FFI_KillTimer)
+    m_pInfo->FFI_KillTimer(m_pInfo, nTimerID);
+}
+
+FX_SYSTEMTIME CPDFSDK_FormFillEnvironment::GetLocalTime() const {
+  FX_SYSTEMTIME fxtime;
+  if (!m_pInfo || !m_pInfo->FFI_GetLocalTime)
+    return fxtime;
+
+  FPDF_SYSTEMTIME systime = m_pInfo->FFI_GetLocalTime(m_pInfo);
+  fxtime.wDay = systime.wDay;
+  fxtime.wDayOfWeek = systime.wDayOfWeek;
+  fxtime.wHour = systime.wHour;
+  fxtime.wMilliseconds = systime.wMilliseconds;
+  fxtime.wMinute = systime.wMinute;
+  fxtime.wMonth = systime.wMonth;
+  fxtime.wSecond = systime.wSecond;
+  fxtime.wYear = systime.wYear;
+  return fxtime;
+}
+
+void CPDFSDK_FormFillEnvironment::OnChange() {
+  if (m_pInfo && m_pInfo->FFI_OnChange)
+    m_pInfo->FFI_OnChange(m_pInfo);
+}
+
+FX_BOOL CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(uint32_t nFlag) const {
+  return (nFlag & FWL_EVENTFLAG_ShiftKey) != 0;
+}
+
+FX_BOOL CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(uint32_t nFlag) const {
+  return (nFlag & FWL_EVENTFLAG_ControlKey) != 0;
+}
+
+FX_BOOL CPDFSDK_FormFillEnvironment::IsALTKeyDown(uint32_t nFlag) const {
+  return (nFlag & FWL_EVENTFLAG_AltKey) != 0;
+}
+
+FPDF_PAGE CPDFSDK_FormFillEnvironment::GetPage(FPDF_DOCUMENT document,
+                                               int nPageIndex) {
+  if (m_pInfo && m_pInfo->FFI_GetPage)
+    return m_pInfo->FFI_GetPage(m_pInfo, document, nPageIndex);
+  return nullptr;
+}
+
+FPDF_PAGE CPDFSDK_FormFillEnvironment::GetCurrentPage(FPDF_DOCUMENT document) {
+  if (m_pInfo && m_pInfo->FFI_GetCurrentPage)
+    return m_pInfo->FFI_GetCurrentPage(m_pInfo, document);
+  return nullptr;
+}
+
+void CPDFSDK_FormFillEnvironment::ExecuteNamedAction(
+    const FX_CHAR* namedAction) {
+  if (m_pInfo && m_pInfo->FFI_ExecuteNamedAction)
+    m_pInfo->FFI_ExecuteNamedAction(m_pInfo, namedAction);
+}
+
+void CPDFSDK_FormFillEnvironment::OnSetFieldInputFocus(
+    FPDF_WIDESTRING focusText,
+    FPDF_DWORD nTextLen,
+    FX_BOOL bFocus) {
+  if (m_pInfo && m_pInfo->FFI_SetTextFieldFocus)
+    m_pInfo->FFI_SetTextFieldFocus(m_pInfo, focusText, nTextLen, bFocus);
+}
+
+void CPDFSDK_FormFillEnvironment::DoURIAction(const FX_CHAR* bsURI) {
+  if (m_pInfo && m_pInfo->FFI_DoURIAction)
+    m_pInfo->FFI_DoURIAction(m_pInfo, bsURI);
+}
+
+void CPDFSDK_FormFillEnvironment::DoGoToAction(int nPageIndex,
+                                               int zoomMode,
+                                               float* fPosArray,
+                                               int sizeOfArray) {
+  if (m_pInfo && m_pInfo->FFI_DoGoToAction) {
+    m_pInfo->FFI_DoGoToAction(m_pInfo, nPageIndex, zoomMode, fPosArray,
+                              sizeOfArray);
+  }
+}
+
+#ifdef PDF_ENABLE_XFA
+void CPDFSDK_FormFillEnvironment::DisplayCaret(FPDF_PAGE page,
+                                               FPDF_BOOL bVisible,
+                                               double left,
+                                               double top,
+                                               double right,
+                                               double bottom) {
+  if (m_pInfo && m_pInfo->FFI_DisplayCaret) {
+    m_pInfo->FFI_DisplayCaret(m_pInfo, page, bVisible, left, top, right,
+                              bottom);
+  }
+}
+
+int CPDFSDK_FormFillEnvironment::GetCurrentPageIndex(FPDF_DOCUMENT document) {
+  if (!m_pInfo || !m_pInfo->FFI_GetCurrentPageIndex)
+    return -1;
+  return m_pInfo->FFI_GetCurrentPageIndex(m_pInfo, document);
+}
+
+void CPDFSDK_FormFillEnvironment::SetCurrentPage(FPDF_DOCUMENT document,
+                                                 int iCurPage) {
+  if (m_pInfo && m_pInfo->FFI_SetCurrentPage)
+    m_pInfo->FFI_SetCurrentPage(m_pInfo, document, iCurPage);
+}
+
+CFX_WideString CPDFSDK_FormFillEnvironment::GetPlatform() {
+  if (!m_pInfo || !m_pInfo->FFI_GetPlatform)
+    return L"";
+
+  int nRequiredLen = m_pInfo->FFI_GetPlatform(m_pInfo, nullptr, 0);
+  if (nRequiredLen <= 0)
+    return L"";
+
+  char* pbuff = new char[nRequiredLen];
+  memset(pbuff, 0, nRequiredLen);
+  int nActualLen = m_pInfo->FFI_GetPlatform(m_pInfo, pbuff, nRequiredLen);
+  if (nActualLen <= 0 || nActualLen > nRequiredLen) {
+    delete[] pbuff;
+    return L"";
+  }
+  CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen);
+  CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
+      (unsigned short*)bsRet.GetBuffer(bsRet.GetLength()),
+      bsRet.GetLength() / sizeof(unsigned short));
+  delete[] pbuff;
+  return wsRet;
+}
+
+void CPDFSDK_FormFillEnvironment::GotoURL(FPDF_DOCUMENT document,
+                                          const CFX_WideStringC& wsURL) {
+  if (!m_pInfo || !m_pInfo->FFI_GotoURL)
+    return;
+
+  CFX_ByteString bsTo = CFX_WideString(wsURL).UTF16LE_Encode();
+  FPDF_WIDESTRING pTo = (FPDF_WIDESTRING)bsTo.GetBuffer(wsURL.GetLength());
+  m_pInfo->FFI_GotoURL(m_pInfo, document, pTo);
+  bsTo.ReleaseBuffer();
+}
+
+void CPDFSDK_FormFillEnvironment::GetPageViewRect(FPDF_PAGE page,
+                                                  FS_RECTF& dstRect) {
+  if (!m_pInfo || !m_pInfo->FFI_GetPageViewRect)
+    return;
+
+  double left;
+  double top;
+  double right;
+  double bottom;
+  m_pInfo->FFI_GetPageViewRect(m_pInfo, page, &left, &top, &right, &bottom);
+
+  dstRect.left = static_cast<float>(left);
+  dstRect.top = static_cast<float>(top < bottom ? bottom : top);
+  dstRect.bottom = static_cast<float>(top < bottom ? top : bottom);
+  dstRect.right = static_cast<float>(right);
+}
+
+FX_BOOL CPDFSDK_FormFillEnvironment::PopupMenu(FPDF_PAGE page,
+                                               FPDF_WIDGET hWidget,
+                                               int menuFlag,
+                                               CFX_PointF pt) {
+  if (!m_pInfo || !m_pInfo->FFI_PopupMenu)
+    return FALSE;
+  return m_pInfo->FFI_PopupMenu(m_pInfo, page, hWidget, menuFlag, pt.x, pt.y);
+}
+
+void CPDFSDK_FormFillEnvironment::Alert(FPDF_WIDESTRING Msg,
+                                        FPDF_WIDESTRING Title,
+                                        int Type,
+                                        int Icon) {
+  if (m_pInfo && m_pInfo->m_pJsPlatform && m_pInfo->m_pJsPlatform->app_alert) {
+    m_pInfo->m_pJsPlatform->app_alert(m_pInfo->m_pJsPlatform, Msg, Title, Type,
+                                      Icon);
+  }
+}
+
+void CPDFSDK_FormFillEnvironment::EmailTo(FPDF_FILEHANDLER* fileHandler,
+                                          FPDF_WIDESTRING pTo,
+                                          FPDF_WIDESTRING pSubject,
+                                          FPDF_WIDESTRING pCC,
+                                          FPDF_WIDESTRING pBcc,
+                                          FPDF_WIDESTRING pMsg) {
+  if (m_pInfo && m_pInfo->FFI_EmailTo)
+    m_pInfo->FFI_EmailTo(m_pInfo, fileHandler, pTo, pSubject, pCC, pBcc, pMsg);
+}
+
+void CPDFSDK_FormFillEnvironment::UploadTo(FPDF_FILEHANDLER* fileHandler,
+                                           int fileFlag,
+                                           FPDF_WIDESTRING uploadTo) {
+  if (m_pInfo && m_pInfo->FFI_UploadTo)
+    m_pInfo->FFI_UploadTo(m_pInfo, fileHandler, fileFlag, uploadTo);
+}
+
+FPDF_FILEHANDLER* CPDFSDK_FormFillEnvironment::OpenFile(int fileType,
+                                                        FPDF_WIDESTRING wsURL,
+                                                        const char* mode) {
+  if (m_pInfo && m_pInfo->FFI_OpenFile)
+    return m_pInfo->FFI_OpenFile(m_pInfo, fileType, wsURL, mode);
+  return nullptr;
+}
+
+IFX_FileRead* CPDFSDK_FormFillEnvironment::DownloadFromURL(
+    const FX_WCHAR* url) {
+  if (!m_pInfo || !m_pInfo->FFI_DownloadFromURL)
+    return nullptr;
+
+  CFX_ByteString bstrURL = CFX_WideString(url).UTF16LE_Encode();
+  FPDF_WIDESTRING wsURL =
+      (FPDF_WIDESTRING)bstrURL.GetBuffer(bstrURL.GetLength());
+
+  FPDF_LPFILEHANDLER fileHandler = m_pInfo->FFI_DownloadFromURL(m_pInfo, wsURL);
+
+  return new CFPDF_FileStream(fileHandler);
+}
+
+CFX_WideString CPDFSDK_FormFillEnvironment::PostRequestURL(
+    const FX_WCHAR* wsURL,
+    const FX_WCHAR* wsData,
+    const FX_WCHAR* wsContentType,
+    const FX_WCHAR* wsEncode,
+    const FX_WCHAR* wsHeader) {
+  if (!m_pInfo || !m_pInfo->FFI_PostRequestURL)
+    return L"";
+
+  CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode();
+  FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength());
+
+  CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode();
+  FPDF_WIDESTRING data = (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength());
+
+  CFX_ByteString bsContentType = CFX_WideString(wsContentType).UTF16LE_Encode();
+  FPDF_WIDESTRING contentType =
+      (FPDF_WIDESTRING)bsContentType.GetBuffer(bsContentType.GetLength());
+
+  CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode();
+  FPDF_WIDESTRING encode =
+      (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength());
+
+  CFX_ByteString bsHeader = CFX_WideString(wsHeader).UTF16LE_Encode();
+  FPDF_WIDESTRING header =
+      (FPDF_WIDESTRING)bsHeader.GetBuffer(bsHeader.GetLength());
+
+  FPDF_BSTR response;
+  FPDF_BStr_Init(&response);
+  m_pInfo->FFI_PostRequestURL(m_pInfo, URL, data, contentType, encode, header,
+                              &response);
+
+  CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
+      (FPDF_WIDESTRING)response.str, response.len / sizeof(FPDF_WIDESTRING));
+  FPDF_BStr_Clear(&response);
+
+  return wsRet;
+}
+
+FPDF_BOOL CPDFSDK_FormFillEnvironment::PutRequestURL(const FX_WCHAR* wsURL,
+                                                     const FX_WCHAR* wsData,
+                                                     const FX_WCHAR* wsEncode) {
+  if (!m_pInfo || !m_pInfo->FFI_PutRequestURL)
+    return FALSE;
+
+  CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode();
+  FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength());
+
+  CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode();
+  FPDF_WIDESTRING data = (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength());
+
+  CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode();
+  FPDF_WIDESTRING encode =
+      (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength());
+
+  return m_pInfo->FFI_PutRequestURL(m_pInfo, URL, data, encode);
+}
+
+CFX_WideString CPDFSDK_FormFillEnvironment::GetLanguage() {
+  if (!m_pInfo || !m_pInfo->FFI_GetLanguage)
+    return L"";
+
+  int nRequiredLen = m_pInfo->FFI_GetLanguage(m_pInfo, nullptr, 0);
+  if (nRequiredLen <= 0)
+    return L"";
+
+  char* pbuff = new char[nRequiredLen];
+  memset(pbuff, 0, nRequiredLen);
+  int nActualLen = m_pInfo->FFI_GetLanguage(m_pInfo, pbuff, nRequiredLen);
+  if (nActualLen <= 0 || nActualLen > nRequiredLen) {
+    delete[] pbuff;
+    return L"";
+  }
+  CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen);
+  CFX_WideString wsRet = CFX_WideString::FromUTF16LE(
+      (FPDF_WIDESTRING)bsRet.GetBuffer(bsRet.GetLength()),
+      bsRet.GetLength() / sizeof(FPDF_WIDESTRING));
+  delete[] pbuff;
+  return wsRet;
+}
+
+void CPDFSDK_FormFillEnvironment::PageEvent(int iPageCount,
+                                            uint32_t dwEventType) const {
+  if (m_pInfo && m_pInfo->FFI_PageEvent)
+    m_pInfo->FFI_PageEvent(m_pInfo, iPageCount, dwEventType);
+}
+#endif  // PDF_ENABLE_XFA