Convert CScript classes to have CJX objects

This CL moves the JS methods from the CScript classes into CJX
representations. The methods are proxied to the CJX versions.

Change-Id: Ic5f380228614a60238fbcf9e0d04d942fae395be
Reviewed-on: https://pdfium-review.googlesource.com/17313
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 30 insertions, 570 deletions

diff --git a/xfa/fxfa/parser/cscript_hostpseudomodel.cpp b/xfa/fxfa/parser/cscript_hostpseudomodel.cpp
index 75227cfe79..c9fa8e30a7 100644
--- a/xfa/fxfa/parser/cscript_hostpseudomodel.cpp
+++ b/xfa/fxfa/parser/cscript_hostpseudomodel.cpp
@@ -6,685 +6,145 @@
 
 #include "xfa/fxfa/parser/cscript_hostpseudomodel.h"
 
-#include <memory>
-
 #include "fxjs/cfxjse_arguments.h"
-#include "fxjs/cfxjse_engine.h"
-#include "fxjs/cjx_object.h"
 #include "third_party/base/ptr_util.h"
-#include "xfa/fxfa/cxfa_ffnotify.h"
-#include "xfa/fxfa/parser/cxfa_document.h"
-#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
-#include "xfa/fxfa/parser/cxfa_localemgr.h"
-#include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
-#include "xfa/fxfa/parser/xfa_utils.h"
-
-namespace {
-
-CXFA_Node* ToNode(CFXJSE_Value* pValue, CFXJSE_Class* pClass) {
-  return static_cast<CXFA_Node*>(pValue->ToHostObject(pClass));
-}
-
-}  // namespace
 
 CScript_HostPseudoModel::CScript_HostPseudoModel(CXFA_Document* pDocument)
     : CXFA_Object(pDocument,
                   XFA_ObjectType::Object,
                   XFA_Element::HostPseudoModel,
                   WideStringView(L"hostPseudoModel"),
-                  pdfium::MakeUnique<CJX_Object>(this)) {}
+                  pdfium::MakeUnique<CJX_HostPseudoModel>(this)) {}
 
 CScript_HostPseudoModel::~CScript_HostPseudoModel() {}
 
 void CScript_HostPseudoModel::AppType(CFXJSE_Value* pValue,
                                       bool bSetting,
                                       XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify)
-    return;
-  if (bSetting) {
-    JSObject()->ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetString("Exchange");
+  JSHostPseudoModel()->AppType(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::CalculationsEnabled(CFXJSE_Value* pValue,
                                                   bool bSetting,
                                                   XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  if (bSetting) {
-    pNotify->GetDocEnvironment()->SetCalculationsEnabled(hDoc,
-                                                         pValue->ToBoolean());
-    return;
-  }
-  pValue->SetBoolean(pNotify->GetDocEnvironment()->IsCalculationsEnabled(hDoc));
+  JSHostPseudoModel()->CalculationsEnabled(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::CurrentPage(CFXJSE_Value* pValue,
                                           bool bSetting,
                                           XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  if (bSetting) {
-    pNotify->GetDocEnvironment()->SetCurrentPage(hDoc, pValue->ToInteger());
-    return;
-  }
-  pValue->SetInteger(pNotify->GetDocEnvironment()->GetCurrentPage(hDoc));
+  JSHostPseudoModel()->CurrentPage(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::Language(CFXJSE_Value* pValue,
                                        bool bSetting,
                                        XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify)
-    return;
-  if (bSetting) {
-    JSObject()->ThrowException(L"Unable to set language value.");
-    return;
-  }
-  pValue->SetString(
-      pNotify->GetAppProvider()->GetLanguage().UTF8Encode().AsStringView());
+  JSHostPseudoModel()->Language(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::NumPages(CFXJSE_Value* pValue,
                                        bool bSetting,
                                        XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  if (bSetting) {
-    JSObject()->ThrowException(L"Unable to set numPages value.");
-    return;
-  }
-  pValue->SetInteger(pNotify->GetDocEnvironment()->CountPages(hDoc));
+  JSHostPseudoModel()->NumPages(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::Platform(CFXJSE_Value* pValue,
                                        bool bSetting,
                                        XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify)
-    return;
-  if (bSetting) {
-    JSObject()->ThrowException(L"Unable to set platform value.");
-    return;
-  }
-  pValue->SetString(
-      pNotify->GetAppProvider()->GetPlatform().UTF8Encode().AsStringView());
+  JSHostPseudoModel()->Platform(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::Title(CFXJSE_Value* pValue,
                                     bool bSetting,
                                     XFA_ATTRIBUTE eAttribute) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  if (bSetting) {
-    pNotify->GetDocEnvironment()->SetTitle(hDoc, pValue->ToWideString());
-    return;
-  }
-  WideString wsTitle;
-  pNotify->GetDocEnvironment()->GetTitle(hDoc, wsTitle);
-  pValue->SetString(wsTitle.UTF8Encode().AsStringView());
+  JSHostPseudoModel()->Title(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::ValidationsEnabled(CFXJSE_Value* pValue,
                                                  bool bSetting,
                                                  XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  if (bSetting) {
-    pNotify->GetDocEnvironment()->SetValidationsEnabled(hDoc,
-                                                        pValue->ToBoolean());
-    return;
-  }
-  bool bEnabled = pNotify->GetDocEnvironment()->IsValidationsEnabled(hDoc);
-  pValue->SetBoolean(bEnabled);
+  JSHostPseudoModel()->ValidationsEnabled(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::Variation(CFXJSE_Value* pValue,
                                         bool bSetting,
                                         XFA_ATTRIBUTE eAttribute) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient())
-    return;
-
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify)
-    return;
-  if (bSetting) {
-    JSObject()->ThrowException(L"Unable to set variation value.");
-    return;
-  }
-  pValue->SetString("Full");
+  JSHostPseudoModel()->Variation(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::Version(CFXJSE_Value* pValue,
                                       bool bSetting,
                                       XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  if (bSetting) {
-    JSObject()->ThrowException(L"Unable to set version value.");
-    return;
-  }
-  pValue->SetString("11");
+  JSHostPseudoModel()->Version(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::Name(CFXJSE_Value* pValue,
                                    bool bSetting,
                                    XFA_ATTRIBUTE eAttribute) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  if (bSetting) {
-    JSObject()->ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetString(
-      pNotify->GetAppProvider()->GetAppName().UTF8Encode().AsStringView());
+  JSHostPseudoModel()->Name(pValue, bSetting, eAttribute);
 }
 
 void CScript_HostPseudoModel::GotoURL(CFXJSE_Arguments* pArguments) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
-    return;
-  }
-  int32_t iLength = pArguments->GetLength();
-  if (iLength != 1) {
-    JSObject()->ThrowParamCountMismatchException(L"gotoURL");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  WideString wsURL;
-  if (iLength >= 1) {
-    ByteString bsURL = pArguments->GetUTF8String(0);
-    wsURL = WideString::FromUTF8(bsURL.AsStringView());
-  }
-  pNotify->GetDocEnvironment()->GotoURL(hDoc, wsURL);
+  JSHostPseudoModel()->GotoURL(pArguments);
 }
 
 void CScript_HostPseudoModel::OpenList(CFXJSE_Arguments* pArguments) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
-    return;
-  }
-  int32_t iLength = pArguments->GetLength();
-  if (iLength != 1) {
-    JSObject()->ThrowParamCountMismatchException(L"openList");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_Node* pNode = nullptr;
-  if (iLength >= 1) {
-    std::unique_ptr<CFXJSE_Value> pValue(pArguments->GetValue(0));
-    if (pValue->IsObject()) {
-      pNode = ToNode(pValue.get(), nullptr);
-    } else if (pValue->IsString()) {
-      CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
-      if (!pScriptContext)
-        return;
-
-      CXFA_Object* pObject = pScriptContext->GetThisObject();
-      if (!pObject)
-        return;
-
-      uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
-                        XFA_RESOLVENODE_Siblings;
-      XFA_RESOLVENODE_RS resoveNodeRS;
-      int32_t iRet = pScriptContext->ResolveObjects(
-          pObject, pValue->ToWideString().AsStringView(), resoveNodeRS, dwFlag);
-      if (iRet < 1 || !resoveNodeRS.objects.front()->IsNode())
-        return;
-
-      pNode = resoveNodeRS.objects.front()->AsNode();
-    }
-  }
-  CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
-  if (!pDocLayout) {
-    return;
-  }
-  CXFA_FFWidget* hWidget =
-      pNotify->GetHWidget(pDocLayout->GetLayoutItem(pNode));
-  if (!hWidget) {
-    return;
-  }
-  pNotify->GetDocEnvironment()->SetFocusWidget(pNotify->GetHDOC(), hWidget);
-  pNotify->OpenDropDownList(hWidget);
+  JSHostPseudoModel()->OpenList(pArguments);
 }
+
 void CScript_HostPseudoModel::Response(CFXJSE_Arguments* pArguments) {
-  int32_t iLength = pArguments->GetLength();
-  if (iLength < 1 || iLength > 4) {
-    JSObject()->ThrowParamCountMismatchException(L"response");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  WideString wsQuestion;
-  WideString wsTitle;
-  WideString wsDefaultAnswer;
-  bool bMark = false;
-  if (iLength >= 1) {
-    ByteString bsQuestion = pArguments->GetUTF8String(0);
-    wsQuestion = WideString::FromUTF8(bsQuestion.AsStringView());
-  }
-  if (iLength >= 2) {
-    ByteString bsTitle = pArguments->GetUTF8String(1);
-    wsTitle = WideString::FromUTF8(bsTitle.AsStringView());
-  }
-  if (iLength >= 3) {
-    ByteString bsDefaultAnswer = pArguments->GetUTF8String(2);
-    wsDefaultAnswer = WideString::FromUTF8(bsDefaultAnswer.AsStringView());
-  }
-  if (iLength >= 4) {
-    bMark = pArguments->GetInt32(3) == 0 ? false : true;
-  }
-  WideString wsAnswer = pNotify->GetAppProvider()->Response(
-      wsQuestion, wsTitle, wsDefaultAnswer, bMark);
-  CFXJSE_Value* pValue = pArguments->GetReturnValue();
-  if (pValue)
-    pValue->SetString(wsAnswer.UTF8Encode().AsStringView());
+  JSHostPseudoModel()->Response(pArguments);
 }
 
 void CScript_HostPseudoModel::DocumentInBatch(CFXJSE_Arguments* pArguments) {
-  if (CFXJSE_Value* pValue = pArguments->GetReturnValue())
-    pValue->SetInteger(0);
-}
-
-static int32_t XFA_FilterName(const WideStringView& wsExpression,
-                              int32_t nStart,
-                              WideString& wsFilter) {
-  ASSERT(nStart > -1);
-  int32_t iLength = wsExpression.GetLength();
-  if (nStart >= iLength) {
-    return iLength;
-  }
-  wchar_t* pBuf = wsFilter.GetBuffer(iLength - nStart);
-  int32_t nCount = 0;
-  const wchar_t* pSrc = wsExpression.unterminated_c_str();
-  wchar_t wCur;
-  while (nStart < iLength) {
-    wCur = pSrc[nStart++];
-    if (wCur == ',') {
-      break;
-    }
-    pBuf[nCount++] = wCur;
-  }
-  wsFilter.ReleaseBuffer(nCount);
-  wsFilter.TrimLeft();
-  wsFilter.TrimRight();
-  return nStart;
+  JSHostPseudoModel()->DocumentInBatch(pArguments);
 }
 
 void CScript_HostPseudoModel::ResetData(CFXJSE_Arguments* pArguments) {
-  int32_t iLength = pArguments->GetLength();
-  if (iLength < 0 || iLength > 1) {
-    JSObject()->ThrowParamCountMismatchException(L"resetData");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  WideString wsExpression;
-  if (iLength >= 1) {
-    ByteString bsExpression = pArguments->GetUTF8String(0);
-    wsExpression = WideString::FromUTF8(bsExpression.AsStringView());
-  }
-  if (wsExpression.IsEmpty()) {
-    pNotify->ResetData();
-    return;
-  }
-  int32_t iStart = 0;
-  WideString wsName;
-  CXFA_Node* pNode = nullptr;
-  int32_t iExpLength = wsExpression.GetLength();
-  while (iStart < iExpLength) {
-    iStart = XFA_FilterName(wsExpression.AsStringView(), iStart, wsName);
-    CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
-    if (!pScriptContext)
-      return;
-
-    CXFA_Object* pObject = pScriptContext->GetThisObject();
-    if (!pObject)
-      return;
-
-    uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
-                      XFA_RESOLVENODE_Siblings;
-    XFA_RESOLVENODE_RS resoveNodeRS;
-    int32_t iRet = pScriptContext->ResolveObjects(
-        pObject, wsName.AsStringView(), resoveNodeRS, dwFlag);
-    if (iRet < 1 || !resoveNodeRS.objects.front()->IsNode()) {
-      continue;
-    }
-    pNode = resoveNodeRS.objects.front()->AsNode();
-    pNotify->ResetData(pNode->GetWidgetData());
-  }
-  if (!pNode) {
-    pNotify->ResetData();
-  }
+  JSHostPseudoModel()->ResetData(pArguments);
 }
 
 void CScript_HostPseudoModel::Beep(CFXJSE_Arguments* pArguments) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
-    return;
-  }
-  int32_t iLength = pArguments->GetLength();
-  if (iLength < 0 || iLength > 1) {
-    JSObject()->ThrowParamCountMismatchException(L"beep");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  uint32_t dwType = 4;
-  if (iLength >= 1) {
-    dwType = pArguments->GetInt32(0);
-  }
-  pNotify->GetAppProvider()->Beep(dwType);
+  JSHostPseudoModel()->Beep(pArguments);
 }
 
 void CScript_HostPseudoModel::SetFocus(CFXJSE_Arguments* pArguments) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
-    return;
-  }
-  int32_t iLength = pArguments->GetLength();
-  if (iLength != 1) {
-    JSObject()->ThrowParamCountMismatchException(L"setFocus");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_Node* pNode = nullptr;
-  if (iLength >= 1) {
-    std::unique_ptr<CFXJSE_Value> pValue(pArguments->GetValue(0));
-    if (pValue->IsObject()) {
-      pNode = ToNode(pValue.get(), nullptr);
-    } else if (pValue->IsString()) {
-      CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
-      if (!pScriptContext)
-        return;
-
-      CXFA_Object* pObject = pScriptContext->GetThisObject();
-      if (!pObject)
-        return;
-
-      uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
-                        XFA_RESOLVENODE_Siblings;
-      XFA_RESOLVENODE_RS resoveNodeRS;
-      int32_t iRet = pScriptContext->ResolveObjects(
-          pObject, pValue->ToWideString().AsStringView(), resoveNodeRS, dwFlag);
-      if (iRet < 1 || !resoveNodeRS.objects.front()->IsNode())
-        return;
-
-      pNode = resoveNodeRS.objects.front()->AsNode();
-    }
-  }
-  pNotify->SetFocusWidgetNode(pNode);
+  JSHostPseudoModel()->SetFocus(pArguments);
 }
 
 void CScript_HostPseudoModel::GetFocus(CFXJSE_Arguments* pArguments) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_Node* pNode = pNotify->GetFocusWidgetNode();
-  if (!pNode) {
-    return;
-  }
-  pArguments->GetReturnValue()->Assign(
-      m_pDocument->GetScriptContext()->GetJSValueFromMap(pNode));
-}
-void CScript_HostPseudoModel::MessageBox(CFXJSE_Arguments* pArguments) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
-    return;
-  }
-  int32_t iLength = pArguments->GetLength();
-  if (iLength < 1 || iLength > 4) {
-    JSObject()->ThrowParamCountMismatchException(L"messageBox");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  WideString wsMessage;
-  WideString bsTitle;
-  uint32_t dwMessageType = XFA_MBICON_Error;
-  uint32_t dwButtonType = XFA_MB_OK;
-  if (iLength >= 1) {
-    if (!ValidateArgsForMsg(pArguments, 0, wsMessage)) {
-      return;
-    }
-  }
-  if (iLength >= 2) {
-    if (!ValidateArgsForMsg(pArguments, 1, bsTitle)) {
-      return;
-    }
-  }
-  if (iLength >= 3) {
-    dwMessageType = pArguments->GetInt32(2);
-    if (dwMessageType > XFA_MBICON_Status) {
-      dwMessageType = XFA_MBICON_Error;
-    }
-  }
-  if (iLength >= 4) {
-    dwButtonType = pArguments->GetInt32(3);
-    if (dwButtonType > XFA_MB_YesNoCancel) {
-      dwButtonType = XFA_MB_OK;
-    }
-  }
-  int32_t iValue = pNotify->GetAppProvider()->MsgBox(
-      wsMessage, bsTitle, dwMessageType, dwButtonType);
-  CFXJSE_Value* pValue = pArguments->GetReturnValue();
-  if (pValue)
-    pValue->SetInteger(iValue);
+  JSHostPseudoModel()->GetFocus(pArguments);
 }
 
-bool CScript_HostPseudoModel::ValidateArgsForMsg(CFXJSE_Arguments* pArguments,
-                                                 int32_t iArgIndex,
-                                                 WideString& wsValue) {
-  if (!pArguments || iArgIndex < 0) {
-    return false;
-  }
-  bool bIsJsType = false;
-  if (m_pDocument->GetScriptContext()->GetType() ==
-      XFA_SCRIPTLANGTYPE_Javascript) {
-    bIsJsType = true;
-  }
-  std::unique_ptr<CFXJSE_Value> pValueArg(pArguments->GetValue(iArgIndex));
-  if (!pValueArg->IsString() && bIsJsType) {
-    JSObject()->ThrowArgumentMismatchException();
-    return false;
-  }
-  if (pValueArg->IsNull()) {
-    wsValue = L"";
-  } else {
-    wsValue = pValueArg->ToWideString();
-  }
-  return true;
+void CScript_HostPseudoModel::MessageBox(CFXJSE_Arguments* pArguments) {
+  JSHostPseudoModel()->MessageBox(pArguments);
 }
 
 void CScript_HostPseudoModel::DocumentCountInBatch(
     CFXJSE_Arguments* pArguments) {
-  if (CFXJSE_Value* pValue = pArguments->GetReturnValue())
-    pValue->SetInteger(0);
+  JSHostPseudoModel()->DocumentCountInBatch(pArguments);
 }
 
 void CScript_HostPseudoModel::Print(CFXJSE_Arguments* pArguments) {
-  if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
-    return;
-  }
-  int32_t iLength = pArguments->GetLength();
-  if (iLength != 8) {
-    JSObject()->ThrowParamCountMismatchException(L"print");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  uint32_t dwOptions = 0;
-  bool bShowDialog = true;
-  if (iLength >= 1) {
-    bShowDialog = pArguments->GetInt32(0) == 0 ? false : true;
-  }
-  if (bShowDialog) {
-    dwOptions |= XFA_PRINTOPT_ShowDialog;
-  }
-  int32_t nStartPage = 0;
-  if (iLength >= 2) {
-    nStartPage = pArguments->GetInt32(1);
-  }
-  int32_t nEndPage = 0;
-  if (iLength >= 3) {
-    nEndPage = pArguments->GetInt32(2);
-  }
-  bool bCanCancel = true;
-  if (iLength >= 4) {
-    bCanCancel = pArguments->GetInt32(3) == 0 ? false : true;
-  }
-  if (bCanCancel) {
-    dwOptions |= XFA_PRINTOPT_CanCancel;
-  }
-  bool bShrinkPage = true;
-  if (iLength >= 5) {
-    bShrinkPage = pArguments->GetInt32(4) == 0 ? false : true;
-  }
-  if (bShrinkPage) {
-    dwOptions |= XFA_PRINTOPT_ShrinkPage;
-  }
-  bool bAsImage = true;
-  if (iLength >= 6) {
-    bAsImage = pArguments->GetInt32(5) == 0 ? false : true;
-  }
-  if (bAsImage) {
-    dwOptions |= XFA_PRINTOPT_AsImage;
-  }
-  bool bReverseOrder = true;
-  if (iLength >= 7) {
-    bAsImage = pArguments->GetInt32(5) == 0 ? false : true;
-  }
-  bReverseOrder = pArguments->GetInt32(6) == 0 ? false : true;
-  if (bReverseOrder) {
-    dwOptions |= XFA_PRINTOPT_ReverseOrder;
-  }
-  bool bPrintAnnot = true;
-  if (iLength >= 8) {
-    bPrintAnnot = pArguments->GetInt32(7) == 0 ? false : true;
-  }
-  if (bPrintAnnot) {
-    dwOptions |= XFA_PRINTOPT_PrintAnnot;
-  }
-  pNotify->GetDocEnvironment()->Print(hDoc, nStartPage, nEndPage, dwOptions);
+  JSHostPseudoModel()->Print(pArguments);
 }
 
 void CScript_HostPseudoModel::ImportData(CFXJSE_Arguments* pArguments) {
-  int32_t iLength = pArguments->GetLength();
-  if (iLength < 0 || iLength > 1) {
-    JSObject()->ThrowParamCountMismatchException(L"importData");
-    return;
-  }
-  // Not implemented.
+  JSHostPseudoModel()->ImportData(pArguments);
 }
 
 void CScript_HostPseudoModel::ExportData(CFXJSE_Arguments* pArguments) {
-  int32_t iLength = pArguments->GetLength();
-  if (iLength < 0 || iLength > 2) {
-    JSObject()->ThrowParamCountMismatchException(L"exportData");
-    return;
-  }
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  WideString wsFilePath;
-  bool bXDP = true;
-  if (iLength >= 1) {
-    ByteString bsFilePath = pArguments->GetUTF8String(0);
-    wsFilePath = WideString::FromUTF8(bsFilePath.AsStringView());
-  }
-  if (iLength >= 2) {
-    bXDP = pArguments->GetInt32(1) == 0 ? false : true;
-  }
-  pNotify->GetDocEnvironment()->ExportData(hDoc, wsFilePath, bXDP);
+  JSHostPseudoModel()->ExportData(pArguments);
 }
 
 void CScript_HostPseudoModel::PageUp(CFXJSE_Arguments* pArguments) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  int32_t nCurPage = pNotify->GetDocEnvironment()->GetCurrentPage(hDoc);
-  int32_t nNewPage = 0;
-  if (nCurPage <= 1) {
-    return;
-  }
-  nNewPage = nCurPage - 1;
-  pNotify->GetDocEnvironment()->SetCurrentPage(hDoc, nNewPage);
+  JSHostPseudoModel()->PageUp(pArguments);
 }
 
 void CScript_HostPseudoModel::PageDown(CFXJSE_Arguments* pArguments) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  CXFA_FFDoc* hDoc = pNotify->GetHDOC();
-  int32_t nCurPage = pNotify->GetDocEnvironment()->GetCurrentPage(hDoc);
-  int32_t nPageCount = pNotify->GetDocEnvironment()->CountPages(hDoc);
-  if (!nPageCount || nCurPage == nPageCount) {
-    return;
-  }
-  int32_t nNewPage = 0;
-  if (nCurPage >= nPageCount) {
-    nNewPage = nPageCount - 1;
-  } else {
-    nNewPage = nCurPage + 1;
-  }
-  pNotify->GetDocEnvironment()->SetCurrentPage(hDoc, nNewPage);
+  JSHostPseudoModel()->PageDown(pArguments);
 }
 
 void CScript_HostPseudoModel::CurrentDateTime(CFXJSE_Arguments* pArguments) {
-  CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  WideString wsDataTime = pNotify->GetCurrentDateTime();
-  CFXJSE_Value* pValue = pArguments->GetReturnValue();
-  if (pValue)
-    pValue->SetString(wsDataTime.UTF8Encode().AsStringView());
+  JSHostPseudoModel()->CurrentDateTime(pArguments);
 }