Split fpdfsdk/fsdk_baseform.h into individual classes.

fpdfsdk/cpdfsdk_interform.cpp

+// 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/include/cpdfsdk_interform.h"
+
+#include <algorithm>
+#include <memory>
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+#include "core/fpdfapi/fpdf_parser/include/cfdf_document.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.h"
+#include "core/fpdfdoc/include/cpdf_actionfields.h"
+#include "core/fpdfdoc/include/cpdf_interform.h"
+#include "core/fxge/include/cfx_graphstatedata.h"
+#include "core/fxge/include/cfx_pathdata.h"
+#include "core/fxge/include/cfx_renderdevice.h"
+#include "fpdfsdk/formfiller/cffl_formfiller.h"
+#include "fpdfsdk/fxedit/include/fxet_edit.h"
+#include "fpdfsdk/include/cba_annotiterator.h"
+#include "fpdfsdk/include/cpdfsdk_annot.h"
+#include "fpdfsdk/include/cpdfsdk_widget.h"
+#include "fpdfsdk/include/fsdk_actionhandler.h"
+#include "fpdfsdk/include/fsdk_define.h"
+#include "fpdfsdk/include/fsdk_mgr.h"
+#include "fpdfsdk/include/ipdfsdk_annothandler.h"
+#include "fpdfsdk/javascript/ijs_context.h"
+#include "fpdfsdk/javascript/ijs_runtime.h"
+#include "fpdfsdk/pdfwindow/PWL_Utils.h"
+#include "third_party/base/stl_util.h"
+
+#ifdef PDF_ENABLE_XFA
+#include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h"
+#include "fpdfsdk/fpdfxfa/include/fpdfxfa_util.h"
+#include "fpdfsdk/include/cpdfsdk_xfawidget.h"
+#include "xfa/fxfa/include/cxfa_eventparam.h"
+#include "xfa/fxfa/include/xfa_ffdocview.h"
+#include "xfa/fxfa/include/xfa_ffwidget.h"
+#include "xfa/fxfa/include/xfa_ffwidgethandler.h"
+#endif  // PDF_ENABLE_XFA
+
+CPDFSDK_InterForm::CPDFSDK_InterForm(CPDFSDK_Document* pDocument)
+    : m_pDocument(pDocument),
+      m_pInterForm(new CPDF_InterForm(m_pDocument->GetPDFDocument())),
+#ifdef PDF_ENABLE_XFA
+      m_bXfaCalculate(TRUE),
+      m_bXfaValidationsEnabled(TRUE),
+#endif  // PDF_ENABLE_XFA
+      m_bCalculate(TRUE),
+      m_bBusy(FALSE),
+      m_iHighlightAlpha(0) {
+  m_pInterForm->SetFormNotify(this);
+  for (int i = 0; i < kNumFieldTypes; ++i)
+    m_bNeedHightlight[i] = FALSE;
+}
+
+CPDFSDK_InterForm::~CPDFSDK_InterForm() {
+  m_Map.clear();
+#ifdef PDF_ENABLE_XFA
+  m_XFAMap.clear();
+#endif  // PDF_ENABLE_XFA
+}
+
+FX_BOOL CPDFSDK_InterForm::HighlightWidgets() {
+  return FALSE;
+}
+
+CPDFSDK_Widget* CPDFSDK_InterForm::GetSibling(CPDFSDK_Widget* pWidget,
+                                              FX_BOOL bNext) const {
+  std::unique_ptr<CBA_AnnotIterator> pIterator(
+      new CBA_AnnotIterator(pWidget->GetPageView(), "Widget", ""));
+
+  if (bNext)
+    return static_cast<CPDFSDK_Widget*>(pIterator->GetNextAnnot(pWidget));
+
+  return static_cast<CPDFSDK_Widget*>(pIterator->GetPrevAnnot(pWidget));
+}
+
+CPDFSDK_Widget* CPDFSDK_InterForm::GetWidget(CPDF_FormControl* pControl,
+                                             bool createIfNeeded) const {
+  if (!pControl || !m_pInterForm)
+    return nullptr;
+
+  CPDFSDK_Widget* pWidget = nullptr;
+  const auto it = m_Map.find(pControl);
+  if (it != m_Map.end())
+    pWidget = it->second;
+  if (pWidget)
+    return pWidget;
+  if (!createIfNeeded)
+    return nullptr;
+
+  CPDF_Dictionary* pControlDict = pControl->GetWidget();
+  CPDF_Document* pDocument = m_pDocument->GetPDFDocument();
+  CPDFSDK_PageView* pPage = nullptr;
+
+  if (CPDF_Dictionary* pPageDict = pControlDict->GetDictBy("P")) {
+    int nPageIndex = pDocument->GetPageIndex(pPageDict->GetObjNum());
+    if (nPageIndex >= 0)
+      pPage = m_pDocument->GetPageView(nPageIndex);
+  }
+
+  if (!pPage) {
+    int nPageIndex = GetPageIndexByAnnotDict(pDocument, pControlDict);
+    if (nPageIndex >= 0)
+      pPage = m_pDocument->GetPageView(nPageIndex);
+  }
+
+  if (!pPage)
+    return nullptr;
+
+  return static_cast<CPDFSDK_Widget*>(pPage->GetAnnotByDict(pControlDict));
+}
+
+void CPDFSDK_InterForm::GetWidgets(
+    const CFX_WideString& sFieldName,
+    std::vector<CPDFSDK_Widget*>* widgets) const {
+  for (int i = 0, sz = m_pInterForm->CountFields(sFieldName); i < sz; ++i) {
+    CPDF_FormField* pFormField = m_pInterForm->GetField(i, sFieldName);
+    ASSERT(pFormField);
+    GetWidgets(pFormField, widgets);
+  }
+}
+
+void CPDFSDK_InterForm::GetWidgets(
+    CPDF_FormField* pField,
+    std::vector<CPDFSDK_Widget*>* widgets) const {
+  for (int i = 0, sz = pField->CountControls(); i < sz; ++i) {
+    CPDF_FormControl* pFormCtrl = pField->GetControl(i);
+    ASSERT(pFormCtrl);
+    CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl, true);
+    if (pWidget)
+      widgets->push_back(pWidget);
+  }
+}
+
+int CPDFSDK_InterForm::GetPageIndexByAnnotDict(
+    CPDF_Document* pDocument,
+    CPDF_Dictionary* pAnnotDict) const {
+  ASSERT(pAnnotDict);
+
+  for (int i = 0, sz = pDocument->GetPageCount(); i < sz; i++) {
+    if (CPDF_Dictionary* pPageDict = pDocument->GetPage(i)) {
+      if (CPDF_Array* pAnnots = pPageDict->GetArrayBy("Annots")) {
+        for (int j = 0, jsz = pAnnots->GetCount(); j < jsz; j++) {
+          CPDF_Object* pDict = pAnnots->GetDirectObjectAt(j);
+          if (pAnnotDict == pDict)
+            return i;
+        }
+      }
+    }
+  }
+
+  return -1;
+}
+
+void CPDFSDK_InterForm::AddMap(CPDF_FormControl* pControl,
+                               CPDFSDK_Widget* pWidget) {
+  m_Map[pControl] = pWidget;
+}
+
+void CPDFSDK_InterForm::RemoveMap(CPDF_FormControl* pControl) {
+  m_Map.erase(pControl);
+}
+
+void CPDFSDK_InterForm::EnableCalculate(FX_BOOL bEnabled) {
+  m_bCalculate = bEnabled;
+}
+
+FX_BOOL CPDFSDK_InterForm::IsCalculateEnabled() const {
+  return m_bCalculate;
+}
+
+#ifdef PDF_ENABLE_XFA
+void CPDFSDK_InterForm::AddXFAMap(CXFA_FFWidget* hWidget,
+                                  CPDFSDK_XFAWidget* pWidget) {
+  ASSERT(hWidget);
+  m_XFAMap[hWidget] = pWidget;
+}
+
+void CPDFSDK_InterForm::RemoveXFAMap(CXFA_FFWidget* hWidget) {
+  ASSERT(hWidget);
+  m_XFAMap.erase(hWidget);
+}
+
+CPDFSDK_XFAWidget* CPDFSDK_InterForm::GetXFAWidget(CXFA_FFWidget* hWidget) {
+  ASSERT(hWidget);
+  auto it = m_XFAMap.find(hWidget);
+  return it != m_XFAMap.end() ? it->second : nullptr;
+}
+
+void CPDFSDK_InterForm::XfaEnableCalculate(FX_BOOL bEnabled) {
+  m_bXfaCalculate = bEnabled;
+}
+FX_BOOL CPDFSDK_InterForm::IsXfaCalculateEnabled() const {
+  return m_bXfaCalculate;
+}
+
+FX_BOOL CPDFSDK_InterForm::IsXfaValidationsEnabled() {
+  return m_bXfaValidationsEnabled;
+}
+void CPDFSDK_InterForm::XfaSetValidationsEnabled(FX_BOOL bEnabled) {
+  m_bXfaValidationsEnabled = bEnabled;
+}
+
+void CPDFSDK_InterForm::SynchronizeField(CPDF_FormField* pFormField,
+                                         FX_BOOL bSynchronizeElse) {
+  for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) {
+    CPDF_FormControl* pFormCtrl = pFormField->GetControl(i);
+    if (CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl, false))
+      pWidget->Synchronize(bSynchronizeElse);
+  }
+}
+#endif  // PDF_ENABLE_XFA
+
+void CPDFSDK_InterForm::OnCalculate(CPDF_FormField* pFormField) {
+  CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
+  ASSERT(pEnv);
+  if (!pEnv->IsJSInitiated())
+    return;
+
+  if (m_bBusy)
+    return;
+
+  m_bBusy = TRUE;
+
+  if (!IsCalculateEnabled()) {
+    m_bBusy = FALSE;
+    return;
+  }
+
+  IJS_Runtime* pRuntime = m_pDocument->GetJsRuntime();
+  pRuntime->SetReaderDocument(m_pDocument);
+
+  int nSize = m_pInterForm->CountFieldsInCalculationOrder();
+  for (int i = 0; i < nSize; i++) {
+    CPDF_FormField* pField = m_pInterForm->GetFieldInCalculationOrder(i);
+    if (!pField)
+      continue;
+
+    int nType = pField->GetFieldType();
+    if (!(nType == FIELDTYPE_COMBOBOX || nType == FIELDTYPE_TEXTFIELD))

[dsinclair, 2016/08/16 20:32:30]

if (nType != FIELDTYPE_COMBOBOX && nType != FIELDTYPE_TEXTFIELD)

[jaepark, 2016/08/16 21:26:28]

Done.

+      continue;
+
+    CPDF_AAction aAction = pField->GetAdditionalAction();
+    if (!aAction.GetDict() || !aAction.ActionExist(CPDF_AAction::Calculate))
+      continue;
+
+    CPDF_Action action = aAction.GetAction(CPDF_AAction::Calculate);
+    if (!action.GetDict())
+      continue;
+
+    CFX_WideString csJS = action.GetJavaScript();
+    if (csJS.IsEmpty())
+      continue;
+
+    IJS_Context* pContext = pRuntime->NewContext();
+    CFX_WideString sOldValue = pField->GetValue();
+    CFX_WideString sValue = sOldValue;
+    FX_BOOL bRC = TRUE;
+    pContext->OnField_Calculate(pFormField, pField, sValue, bRC);
+
+    CFX_WideString sInfo;
+    FX_BOOL bRet = pContext->RunScript(csJS, &sInfo);
+    pRuntime->ReleaseContext(pContext);
+
+    if (bRet && bRC && sValue.Compare(sOldValue) != 0)
+      pField->SetValue(sValue, TRUE);
+  }
+
+  m_bBusy = FALSE;
+}
+
+CFX_WideString CPDFSDK_InterForm::OnFormat(CPDF_FormField* pFormField,
+                                           FX_BOOL& bFormated) {
+  CFX_WideString sValue = pFormField->GetValue();
+  CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
+  ASSERT(pEnv);
+  if (!pEnv->IsJSInitiated()) {
+    bFormated = FALSE;
+    return sValue;
+  }
+
+  IJS_Runtime* pRuntime = m_pDocument->GetJsRuntime();
+  pRuntime->SetReaderDocument(m_pDocument);
+
+  if (pFormField->GetFieldType() == FIELDTYPE_COMBOBOX &&
+      pFormField->CountSelectedItems() > 0) {
+    int index = pFormField->GetSelectedIndex(0);
+    if (index >= 0)
+      sValue = pFormField->GetOptionLabel(index);
+  }
+
+  bFormated = FALSE;
+
+  CPDF_AAction aAction = pFormField->GetAdditionalAction();
+  if (aAction.GetDict() && aAction.ActionExist(CPDF_AAction::Format)) {
+    CPDF_Action action = aAction.GetAction(CPDF_AAction::Format);
+    if (action.GetDict()) {
+      CFX_WideString script = action.GetJavaScript();
+      if (!script.IsEmpty()) {
+        CFX_WideString Value = sValue;
+
+        IJS_Context* pContext = pRuntime->NewContext();
+        pContext->OnField_Format(pFormField, Value, TRUE);
+        CFX_WideString sInfo;
+        FX_BOOL bRet = pContext->RunScript(script, &sInfo);
+        pRuntime->ReleaseContext(pContext);
+
+        if (bRet) {
+          sValue = Value;
+          bFormated = TRUE;
+        }
+      }
+    }
+  }
+
+  return sValue;
+}
+
+void CPDFSDK_InterForm::ResetFieldAppearance(CPDF_FormField* pFormField,
+                                             const FX_WCHAR* sValue,
+                                             FX_BOOL bValueChanged) {
+  for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) {
+    CPDF_FormControl* pFormCtrl = pFormField->GetControl(i);
+    ASSERT(pFormCtrl);
+    if (CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl, false))
+      pWidget->ResetAppearance(sValue, bValueChanged);
+  }
+}
+
+void CPDFSDK_InterForm::UpdateField(CPDF_FormField* pFormField) {
+  for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) {
+    CPDF_FormControl* pFormCtrl = pFormField->GetControl(i);
+    ASSERT(pFormCtrl);
+
+    if (CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl, false)) {
+      CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
+      CFFL_IFormFiller* pIFormFiller = pEnv->GetIFormFiller();
+      UnderlyingPageType* pPage = pWidget->GetUnderlyingPage();
+      CPDFSDK_PageView* pPageView = m_pDocument->GetPageView(pPage, false);
+      FX_RECT rcBBox = pIFormFiller->GetViewBBox(pPageView, pWidget);
+
+      pEnv->FFI_Invalidate(pPage, rcBBox.left, rcBBox.top, rcBBox.right,
+                           rcBBox.bottom);
+    }
+  }
+}
+
+FX_BOOL CPDFSDK_InterForm::OnKeyStrokeCommit(CPDF_FormField* pFormField,
+                                             const CFX_WideString& csValue) {
+  CPDF_AAction aAction = pFormField->GetAdditionalAction();
+  if (!aAction.GetDict() || !aAction.ActionExist(CPDF_AAction::KeyStroke))
+    return TRUE;
+
+  CPDF_Action action = aAction.GetAction(CPDF_AAction::KeyStroke);
+  if (!action.GetDict())
+    return TRUE;
+
+  CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
+  CPDFSDK_ActionHandler* pActionHandler = pEnv->GetActionHander();
+  PDFSDK_FieldAction fa;
+  fa.bModifier = pEnv->FFI_IsCTRLKeyDown(0);
+  fa.bShift = pEnv->FFI_IsSHIFTKeyDown(0);
+  fa.sValue = csValue;
+  pActionHandler->DoAction_FieldJavaScript(action, CPDF_AAction::KeyStroke,
+                                           m_pDocument, pFormField, fa);
+  return fa.bRC;
+}
+
+FX_BOOL CPDFSDK_InterForm::OnValidate(CPDF_FormField* pFormField,
+                                      const CFX_WideString& csValue) {
+  CPDF_AAction aAction = pFormField->GetAdditionalAction();
+  if (!aAction.GetDict() || !aAction.ActionExist(CPDF_AAction::Validate))
+    return TRUE;
+
+  CPDF_Action action = aAction.GetAction(CPDF_AAction::Validate);
+  if (!action.GetDict())
+    return TRUE;
+
+  CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
+  CPDFSDK_ActionHandler* pActionHandler = pEnv->GetActionHander();
+  PDFSDK_FieldAction fa;
+  fa.bModifier = pEnv->FFI_IsCTRLKeyDown(0);
+  fa.bShift = pEnv->FFI_IsSHIFTKeyDown(0);
+  fa.sValue = csValue;
+  pActionHandler->DoAction_FieldJavaScript(action, CPDF_AAction::Validate,
+                                           m_pDocument, pFormField, fa);
+  return fa.bRC;
+}
+
+FX_BOOL CPDFSDK_InterForm::DoAction_Hide(const CPDF_Action& action) {
+  ASSERT(action.GetDict());
+
+  CPDF_ActionFields af(&action);
+  std::vector<CPDF_Object*> fieldObjects = af.GetAllFields();
+  std::vector<CPDF_FormField*> fields = GetFieldFromObjects(fieldObjects);
+
+  bool bHide = action.GetHideStatus();
+  FX_BOOL bChanged = FALSE;
+
+  for (CPDF_FormField* pField : fields) {
+    for (int i = 0, sz = pField->CountControls(); i < sz; ++i) {
+      CPDF_FormControl* pControl = pField->GetControl(i);
+      ASSERT(pControl);
+
+      if (CPDFSDK_Widget* pWidget = GetWidget(pControl, false)) {
+        uint32_t nFlags = pWidget->GetFlags();
+        nFlags &= ~ANNOTFLAG_INVISIBLE;
+        nFlags &= ~ANNOTFLAG_NOVIEW;
+        if (bHide)
+          nFlags |= ANNOTFLAG_HIDDEN;
+        else
+          nFlags &= ~ANNOTFLAG_HIDDEN;
+        pWidget->SetFlags(nFlags);
+        pWidget->GetPageView()->UpdateView(pWidget);
+        bChanged = TRUE;
+      }
+    }
+  }
+
+  return bChanged;
+}
+
+FX_BOOL CPDFSDK_InterForm::DoAction_SubmitForm(const CPDF_Action& action) {
+  CFX_WideString sDestination = action.GetFilePath();
+  if (sDestination.IsEmpty())
+    return FALSE;
+
+  CPDF_Dictionary* pActionDict = action.GetDict();
+  if (pActionDict->KeyExist("Fields")) {
+    CPDF_ActionFields af(&action);
+    uint32_t dwFlags = action.GetFlags();
+    std::vector<CPDF_Object*> fieldObjects = af.GetAllFields();
+    std::vector<CPDF_FormField*> fields = GetFieldFromObjects(fieldObjects);
+    if (!fields.empty()) {
+      bool bIncludeOrExclude = !(dwFlags & 0x01);
+      if (m_pInterForm->CheckRequiredFields(&fields, bIncludeOrExclude))
+        return FALSE;
+
+      return SubmitFields(sDestination, fields, bIncludeOrExclude, false);
+    }
+  }
+  if (m_pInterForm->CheckRequiredFields(nullptr, true))
+    return FALSE;
+
+  return SubmitForm(sDestination, FALSE);
+}
+
+FX_BOOL CPDFSDK_InterForm::SubmitFields(
+    const CFX_WideString& csDestination,
+    const std::vector<CPDF_FormField*>& fields,
+    bool bIncludeOrExclude,
+    bool bUrlEncoded) {
+  CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
+
+  CFX_ByteTextBuf textBuf;
+  ExportFieldsToFDFTextBuf(fields, bIncludeOrExclude, textBuf);
+
+  uint8_t* pBuffer = textBuf.GetBuffer();
+  FX_STRSIZE nBufSize = textBuf.GetLength();
+
+  if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize))
+    return FALSE;
+
+  pEnv->JS_docSubmitForm(pBuffer, nBufSize, csDestination.c_str());
+  return TRUE;
+}
+
+FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(CFX_WideString csFDFFile,
+                                               CFX_WideString csTxtFile) {
+  return TRUE;
+}
+
+FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(uint8_t*& pBuf,
+                                               FX_STRSIZE& nBufSize) {
+  CFDF_Document* pFDF = CFDF_Document::ParseMemory(pBuf, nBufSize);
+  if (!pFDF)
+    return TRUE;
+
+  CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictBy("FDF");
+  if (!pMainDict)
+    return FALSE;
+
+  CPDF_Array* pFields = pMainDict->GetArrayBy("Fields");
+  if (!pFields)
+    return FALSE;
+
+  CFX_ByteTextBuf fdfEncodedData;
+  for (uint32_t i = 0; i < pFields->GetCount(); i++) {
+    CPDF_Dictionary* pField = pFields->GetDictAt(i);
+    if (!pField)
+      continue;
+    CFX_WideString name;
+    name = pField->GetUnicodeTextBy("T");
+    CFX_ByteString name_b = CFX_ByteString::FromUnicode(name);
+    CFX_ByteString csBValue = pField->GetStringBy("V");
+    CFX_WideString csWValue = PDF_DecodeText(csBValue);
+    CFX_ByteString csValue_b = CFX_ByteString::FromUnicode(csWValue);
+
+    fdfEncodedData << name_b.GetBuffer(name_b.GetLength());
+    name_b.ReleaseBuffer();
+    fdfEncodedData << "=";
+    fdfEncodedData << csValue_b.GetBuffer(csValue_b.GetLength());
+    csValue_b.ReleaseBuffer();
+    if (i != pFields->GetCount() - 1)
+      fdfEncodedData << "&";
+  }
+
+  nBufSize = fdfEncodedData.GetLength();
+  pBuf = FX_Alloc(uint8_t, nBufSize);
+  FXSYS_memcpy(pBuf, fdfEncodedData.GetBuffer(), nBufSize);
+  return TRUE;
+}
+
+FX_BOOL CPDFSDK_InterForm::ExportFieldsToFDFTextBuf(
+    const std::vector<CPDF_FormField*>& fields,
+    bool bIncludeOrExclude,
+    CFX_ByteTextBuf& textBuf) {
+  std::unique_ptr<CFDF_Document> pFDF(m_pInterForm->ExportToFDF(
+      m_pDocument->GetPath().AsStringC(), fields, bIncludeOrExclude));
+  return pFDF ? pFDF->WriteBuf(textBuf) : FALSE;
+}
+
+CFX_WideString CPDFSDK_InterForm::GetTemporaryFileName(
+    const CFX_WideString& sFileExt) {
+  return L"";
+}
+
+FX_BOOL CPDFSDK_InterForm::SubmitForm(const CFX_WideString& sDestination,
+                                      FX_BOOL bUrlEncoded) {
+  if (sDestination.IsEmpty())
+    return FALSE;
+
+  if (!m_pDocument || !m_pInterForm)
+    return FALSE;
+
+  CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
+  CFX_WideString wsPDFFilePath = m_pDocument->GetPath();
+  CFDF_Document* pFDFDoc = m_pInterForm->ExportToFDF(wsPDFFilePath.AsStringC());
+  if (!pFDFDoc)
+    return FALSE;
+
+  CFX_ByteTextBuf FdfBuffer;
+  FX_BOOL bRet = pFDFDoc->WriteBuf(FdfBuffer);
+  delete pFDFDoc;
+  if (!bRet)
+    return FALSE;
+
+  uint8_t* pBuffer = FdfBuffer.GetBuffer();
+  FX_STRSIZE nBufSize = FdfBuffer.GetLength();
+
+  if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize))
+    return FALSE;
+
+  pEnv->JS_docSubmitForm(pBuffer, nBufSize, sDestination.c_str());
+
+  if (bUrlEncoded)
+    FX_Free(pBuffer);
+
+  return TRUE;
+}
+
+FX_BOOL CPDFSDK_InterForm::ExportFormToFDFTextBuf(CFX_ByteTextBuf& textBuf) {
+  CFDF_Document* pFDF =
+      m_pInterForm->ExportToFDF(m_pDocument->GetPath().AsStringC());
+  if (!pFDF)
+    return FALSE;
+
+  FX_BOOL bRet = pFDF->WriteBuf(textBuf);
+  delete pFDF;
+
+  return bRet;
+}
+
+FX_BOOL CPDFSDK_InterForm::DoAction_ResetForm(const CPDF_Action& action) {
+  ASSERT(action.GetDict());
+
+  CPDF_Dictionary* pActionDict = action.GetDict();
+  if (!pActionDict->KeyExist("Fields"))
+    return m_pInterForm->ResetForm(true);
+
+  CPDF_ActionFields af(&action);
+  uint32_t dwFlags = action.GetFlags();
+
+  std::vector<CPDF_Object*> fieldObjects = af.GetAllFields();
+  std::vector<CPDF_FormField*> fields = GetFieldFromObjects(fieldObjects);
+  return m_pInterForm->ResetForm(fields, !(dwFlags & 0x01), true);
+}
+
+FX_BOOL CPDFSDK_InterForm::DoAction_ImportData(const CPDF_Action& action) {
+  return FALSE;
+}
+
+std::vector<CPDF_FormField*> CPDFSDK_InterForm::GetFieldFromObjects(
+    const std::vector<CPDF_Object*>& objects) const {
+  std::vector<CPDF_FormField*> fields;
+  for (CPDF_Object* pObject : objects) {
+    if (pObject && pObject->IsString()) {
+      CFX_WideString csName = pObject->GetUnicodeText();
+      CPDF_FormField* pField = m_pInterForm->GetField(0, csName);
+      if (pField)
+        fields.push_back(pField);
+    }
+  }
+  return fields;
+}
+
+int CPDFSDK_InterForm::BeforeValueChange(CPDF_FormField* pField,
+                                         const CFX_WideString& csValue) {
+  int nType = pField->GetFieldType();
+  if (nType != FIELDTYPE_COMBOBOX && nType != FIELDTYPE_TEXTFIELD)
+    return 0;
+
+  if (!OnKeyStrokeCommit(pField, csValue))
+    return -1;
+
+  if (!OnValidate(pField, csValue))
+    return -1;
+
+  return 1;
+}
+
+void CPDFSDK_InterForm::AfterValueChange(CPDF_FormField* pField) {
+#ifdef PDF_ENABLE_XFA
+  SynchronizeField(pField, FALSE);
+#endif  // PDF_ENABLE_XFA
+  int nType = pField->GetFieldType();
+  if (nType == FIELDTYPE_COMBOBOX || nType == FIELDTYPE_TEXTFIELD) {
+    OnCalculate(pField);
+    FX_BOOL bFormated = FALSE;
+    CFX_WideString sValue = OnFormat(pField, bFormated);
+    ResetFieldAppearance(pField, bFormated ? sValue.c_str() : nullptr, TRUE);
+    UpdateField(pField);
+  }
+}
+
+int CPDFSDK_InterForm::BeforeSelectionChange(CPDF_FormField* pField,
+                                             const CFX_WideString& csValue) {
+  if (pField->GetFieldType() != FIELDTYPE_LISTBOX)
+    return 0;
+
+  if (!OnKeyStrokeCommit(pField, csValue))
+    return -1;
+
+  if (!OnValidate(pField, csValue))
+    return -1;
+
+  return 1;
+}
+
+void CPDFSDK_InterForm::AfterSelectionChange(CPDF_FormField* pField) {
+  if (pField->GetFieldType() != FIELDTYPE_LISTBOX)
+    return;
+
+  OnCalculate(pField);
+  ResetFieldAppearance(pField, nullptr, TRUE);
+  UpdateField(pField);
+}
+
+void CPDFSDK_InterForm::AfterCheckedStatusChange(CPDF_FormField* pField) {
+  int nType = pField->GetFieldType();
+  if (!(nType == FIELDTYPE_CHECKBOX || nType == FIELDTYPE_RADIOBUTTON))
+    return;
+
+  OnCalculate(pField);
+  UpdateField(pField);
+}
+
+int CPDFSDK_InterForm::BeforeFormReset(CPDF_InterForm* pForm) {
+  return 0;
+}
+
+void CPDFSDK_InterForm::AfterFormReset(CPDF_InterForm* pForm) {
+  OnCalculate(nullptr);
+}
+
+int CPDFSDK_InterForm::BeforeFormImportData(CPDF_InterForm* pForm) {
+  return 0;
+}
+
+void CPDFSDK_InterForm::AfterFormImportData(CPDF_InterForm* pForm) {
+  OnCalculate(nullptr);
+}
+
+FX_BOOL CPDFSDK_InterForm::IsNeedHighLight(int nFieldType) {
+  if (nFieldType < 1 || nFieldType > kNumFieldTypes)
+    return FALSE;
+  return m_bNeedHightlight[nFieldType - 1];
+}
+
+void CPDFSDK_InterForm::RemoveAllHighLight() {
+  for (int i = 0; i < kNumFieldTypes; ++i)
+    m_bNeedHightlight[i] = FALSE;
+}
+
+void CPDFSDK_InterForm::SetHighlightColor(FX_COLORREF clr, int nFieldType) {
+  if (nFieldType < 0 || nFieldType > kNumFieldTypes)
+    return;
+  switch (nFieldType) {
+    case 0: {
+      for (int i = 0; i < kNumFieldTypes; ++i) {
+        m_aHighlightColor[i] = clr;
+        m_bNeedHightlight[i] = TRUE;
+      }
+      break;
+    }
+    default: {
+      m_aHighlightColor[nFieldType - 1] = clr;
+      m_bNeedHightlight[nFieldType - 1] = TRUE;
+      break;
+    }
+  }
+}
+
+FX_COLORREF CPDFSDK_InterForm::GetHighlightColor(int nFieldType) {
+  if (nFieldType < 0 || nFieldType > kNumFieldTypes)
+    return FXSYS_RGB(255, 255, 255);
+  if (nFieldType == 0)
+    return m_aHighlightColor[0];
+  return m_aHighlightColor[nFieldType - 1];
+}