Rename Document to match class

This CL renames fpdfsdk/javascript/Document.{cpp|h} to
fpdfsdk/javascript/cjs_document.{cpp|h}. The CJS_PrintParamsObj is split
out into cjs_printparamsobj.{cpp|h}.

Change-Id: I29377e7e60b576790fab01e4293c0c1f86339a56
Reviewed-on: https://pdfium-review.googlesource.com/17032
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 1501 insertions, 0 deletions

diff --git a/fpdfsdk/javascript/cjs_document.cpp b/fpdfsdk/javascript/cjs_document.cpp
new file mode 100644
index 0000000000..5726d2461d
--- /dev/null
+++ b/fpdfsdk/javascript/cjs_document.cpp
@@ -0,0 +1,1501 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "fpdfsdk/javascript/cjs_document.h"
+
+#include <utility>
+
+#include "core/fpdfapi/font/cpdf_font.h"
+#include "core/fpdfapi/page/cpdf_pageobject.h"
+#include "core/fpdfapi/page/cpdf_textobject.h"
+#include "core/fpdfapi/parser/cpdf_array.h"
+#include "core/fpdfapi/parser/cpdf_name.h"
+#include "core/fpdfapi/parser/cpdf_string.h"
+#include "core/fpdfdoc/cpdf_interform.h"
+#include "core/fpdfdoc/cpdf_nametree.h"
+#include "fpdfsdk/cpdfsdk_annotiteration.h"
+#include "fpdfsdk/cpdfsdk_interform.h"
+#include "fpdfsdk/cpdfsdk_pageview.h"
+#include "fpdfsdk/javascript/Field.h"
+#include "fpdfsdk/javascript/Icon.h"
+#include "fpdfsdk/javascript/app.h"
+#include "fpdfsdk/javascript/cjs_annot.h"
+#include "fpdfsdk/javascript/cjs_printparamsobj.h"
+
+const JSPropertySpec CJS_Document::PropertySpecs[] = {
+    {"ADBE", get_ADBE_static, set_ADBE_static},
+    {"author", get_author_static, set_author_static},
+    {"baseURL", get_base_URL_static, set_base_URL_static},
+    {"bookmarkRoot", get_bookmark_root_static, set_bookmark_root_static},
+    {"calculate", get_calculate_static, set_calculate_static},
+    {"Collab", get_collab_static, set_collab_static},
+    {"creationDate", get_creation_date_static, set_creation_date_static},
+    {"creator", get_creator_static, set_creator_static},
+    {"delay", get_delay_static, set_delay_static},
+    {"dirty", get_dirty_static, set_dirty_static},
+    {"documentFileName", get_document_file_name_static,
+     set_document_file_name_static},
+    {"external", get_external_static, set_external_static},
+    {"filesize", get_filesize_static, set_filesize_static},
+    {"icons", get_icons_static, set_icons_static},
+    {"info", get_info_static, set_info_static},
+    {"keywords", get_keywords_static, set_keywords_static},
+    {"layout", get_layout_static, set_layout_static},
+    {"media", get_media_static, set_media_static},
+    {"modDate", get_mod_date_static, set_mod_date_static},
+    {"mouseX", get_mouse_x_static, set_mouse_x_static},
+    {"mouseY", get_mouse_y_static, set_mouse_y_static},
+    {"numFields", get_num_fields_static, set_num_fields_static},
+    {"numPages", get_num_pages_static, set_num_pages_static},
+    {"pageNum", get_page_num_static, set_page_num_static},
+    {"pageWindowRect", get_page_window_rect_static,
+     set_page_window_rect_static},
+    {"path", get_path_static, set_path_static},
+    {"producer", get_producer_static, set_producer_static},
+    {"subject", get_subject_static, set_subject_static},
+    {"title", get_title_static, set_title_static},
+    {"URL", get_URL_static, set_URL_static},
+    {"zoom", get_zoom_static, set_zoom_static},
+    {"zoomType", get_zoom_type_static, set_zoom_type_static},
+    {0, 0, 0}};
+
+const JSMethodSpec CJS_Document::MethodSpecs[] = {
+    {"addAnnot", addAnnot_static},
+    {"addField", addField_static},
+    {"addLink", addLink_static},
+    {"addIcon", addIcon_static},
+    {"calculateNow", calculateNow_static},
+    {"closeDoc", closeDoc_static},
+    {"createDataObject", createDataObject_static},
+    {"deletePages", deletePages_static},
+    {"exportAsText", exportAsText_static},
+    {"exportAsFDF", exportAsFDF_static},
+    {"exportAsXFDF", exportAsXFDF_static},
+    {"extractPages", extractPages_static},
+    {"getAnnot", getAnnot_static},
+    {"getAnnots", getAnnots_static},
+    {"getAnnot3D", getAnnot3D_static},
+    {"getAnnots3D", getAnnots3D_static},
+    {"getField", getField_static},
+    {"getIcon", getIcon_static},
+    {"getLinks", getLinks_static},
+    {"getNthFieldName", getNthFieldName_static},
+    {"getOCGs", getOCGs_static},
+    {"getPageBox", getPageBox_static},
+    {"getPageNthWord", getPageNthWord_static},
+    {"getPageNthWordQuads", getPageNthWordQuads_static},
+    {"getPageNumWords", getPageNumWords_static},
+    {"getPrintParams", getPrintParams_static},
+    {"getURL", getURL_static},
+    {"gotoNamedDest", gotoNamedDest_static},
+    {"importAnFDF", importAnFDF_static},
+    {"importAnXFDF", importAnXFDF_static},
+    {"importTextData", importTextData_static},
+    {"insertPages", insertPages_static},
+    {"mailForm", mailForm_static},
+    {"print", print_static},
+    {"removeField", removeField_static},
+    {"replacePages", replacePages_static},
+    {"resetForm", resetForm_static},
+    {"removeIcon", removeIcon_static},
+    {"saveAs", saveAs_static},
+    {"submitForm", submitForm_static},
+    {"syncAnnotScan", syncAnnotScan_static},
+    {"mailDoc", mailDoc_static},
+    {0, 0}};
+
+int CJS_Document::ObjDefnID = -1;
+
+// static
+int CJS_Document::GetObjDefnID() {
+  return ObjDefnID;
+}
+
+// static
+void CJS_Document::DefineJSObjects(CFXJS_Engine* pEngine) {
+  ObjDefnID = pEngine->DefineObj("Document", FXJSOBJTYPE_GLOBAL,
+                                 JSConstructor<CJS_Document, Document>,
+                                 JSDestructor<CJS_Document>);
+  DefineProps(pEngine, ObjDefnID, PropertySpecs);
+  DefineMethods(pEngine, ObjDefnID, MethodSpecs);
+}
+
+void CJS_Document::InitInstance(IJS_Runtime* pIRuntime) {
+  CJS_Runtime* pRuntime = static_cast<CJS_Runtime*>(pIRuntime);
+  Document* pDoc = static_cast<Document*>(GetEmbedObject());
+  pDoc->SetFormFillEnv(pRuntime->GetFormFillEnv());
+}
+
+Document::Document(CJS_Object* pJSObject)
+    : CJS_EmbedObj(pJSObject),
+      m_pFormFillEnv(nullptr),
+      m_cwBaseURL(L""),
+      m_bDelay(false) {}
+
+Document::~Document() {}
+
+// The total number of fields in document.
+CJS_Return Document::get_num_fields(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
+  return CJS_Return(pRuntime->NewNumber(
+      static_cast<int>(pPDFForm->CountFields(WideString()))));
+}
+
+CJS_Return Document::set_num_fields(CJS_Runtime* pRuntime,
+                                    v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::get_dirty(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return CJS_Return(pRuntime->NewBoolean(!!m_pFormFillEnv->GetChangeMark()));
+}
+
+CJS_Return Document::set_dirty(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  pRuntime->ToBoolean(vp) ? m_pFormFillEnv->SetChangeMark()
+                          : m_pFormFillEnv->ClearChangeMark();
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_ADBE(CJS_Runtime* pRuntime) {
+  return CJS_Return(pRuntime->NewUndefined());
+}
+
+CJS_Return Document::set_ADBE(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_page_num(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetCurrentView();
+  if (!pPageView)
+    return CJS_Return(pRuntime->NewUndefined());
+  return CJS_Return(pRuntime->NewNumber(pPageView->GetPageIndex()));
+}
+
+CJS_Return Document::set_page_num(CJS_Runtime* pRuntime,
+                                  v8::Local<v8::Value> vp) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  int iPageCount = m_pFormFillEnv->GetPageCount();
+  int iPageNum = pRuntime->ToInt32(vp);
+  if (iPageNum >= 0 && iPageNum < iPageCount)
+    m_pFormFillEnv->JS_docgotoPage(iPageNum);
+  else if (iPageNum >= iPageCount)
+    m_pFormFillEnv->JS_docgotoPage(iPageCount - 1);
+  else if (iPageNum < 0)
+    m_pFormFillEnv->JS_docgotoPage(0);
+
+  return CJS_Return(true);
+}
+
+CJS_Return Document::addAnnot(CJS_Runtime* pRuntime,
+                              const std::vector<v8::Local<v8::Value>>& params) {
+  // Not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::addField(CJS_Runtime* pRuntime,
+                              const std::vector<v8::Local<v8::Value>>& params) {
+  // Not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::exportAsText(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::exportAsFDF(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::exportAsXFDF(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::getField(CJS_Runtime* pRuntime,
+                              const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() < 1)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  WideString wideName = pRuntime->ToWideString(params[0]);
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
+  if (pPDFForm->CountFields(wideName) <= 0)
+    return CJS_Return(pRuntime->NewUndefined());
+
+  v8::Local<v8::Object> pFieldObj =
+      pRuntime->NewFxDynamicObj(CJS_Field::GetObjDefnID());
+  if (pFieldObj.IsEmpty())
+    return CJS_Return(false);
+
+  CJS_Field* pJSField =
+      static_cast<CJS_Field*>(pRuntime->GetObjectPrivate(pFieldObj));
+  Field* pField = static_cast<Field*>(pJSField->GetEmbedObject());
+  pField->AttachField(this, wideName);
+  if (!pJSField)
+    return CJS_Return(false);
+
+  return CJS_Return(pJSField->ToV8Object());
+}
+
+// Gets the name of the nth field in the document
+CJS_Return Document::getNthFieldName(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  int nIndex = pRuntime->ToInt32(params[0]);
+  if (nIndex < 0)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSVALUEERROR));
+
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
+  CPDF_FormField* pField = pPDFForm->GetField(nIndex, WideString());
+  if (!pField)
+    return CJS_Return(false);
+  return CJS_Return(pRuntime->NewString(pField->GetFullName().c_str()));
+}
+
+CJS_Return Document::importAnFDF(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::importAnXFDF(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::importTextData(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+// exports the form data and mails the resulting fdf file as an attachment to
+// all recipients.
+// comment: need reader supports
+CJS_Return Document::mailForm(CJS_Runtime* pRuntime,
+                              const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+
+  int iLength = params.size();
+  bool bUI = iLength > 0 ? pRuntime->ToBoolean(params[0]) : true;
+  WideString cTo = iLength > 1 ? pRuntime->ToWideString(params[1]) : L"";
+  WideString cCc = iLength > 2 ? pRuntime->ToWideString(params[2]) : L"";
+  WideString cBcc = iLength > 3 ? pRuntime->ToWideString(params[3]) : L"";
+  WideString cSubject = iLength > 4 ? pRuntime->ToWideString(params[4]) : L"";
+  WideString cMsg = iLength > 5 ? pRuntime->ToWideString(params[5]) : L"";
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  ByteString sTextBuf = pInterForm->ExportFormToFDFTextBuf();
+  if (sTextBuf.GetLength() == 0)
+    return CJS_Return(false);
+
+  size_t nBufSize = sTextBuf.GetLength();
+  char* pMutableBuf = FX_Alloc(char, nBufSize);
+  memcpy(pMutableBuf, sTextBuf.c_str(), nBufSize);
+
+  pRuntime->BeginBlock();
+  CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
+  pFormFillEnv->JS_docmailForm(pMutableBuf, nBufSize, bUI, cTo.c_str(),
+                               cSubject.c_str(), cCc.c_str(), cBcc.c_str(),
+                               cMsg.c_str());
+  pRuntime->EndBlock();
+  FX_Free(pMutableBuf);
+  return CJS_Return(true);
+}
+
+CJS_Return Document::print(CJS_Runtime* pRuntime,
+                           const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  bool bUI = true;
+  int nStart = 0;
+  int nEnd = 0;
+  bool bSilent = false;
+  bool bShrinkToFit = false;
+  bool bPrintAsImage = false;
+  bool bReverse = false;
+  bool bAnnotations = false;
+  int nlength = params.size();
+  if (nlength == 9) {
+    if (params[8]->IsObject()) {
+      v8::Local<v8::Object> pObj = pRuntime->ToObject(params[8]);
+      if (CFXJS_Engine::GetObjDefnID(pObj) ==
+          CJS_PrintParamsObj::GetObjDefnID()) {
+        v8::Local<v8::Object> pObj = pRuntime->ToObject(params[8]);
+        CJS_Object* pJSObj =
+            static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
+        if (pJSObj) {
+          if (PrintParamsObj* pprintparamsObj =
+                  static_cast<PrintParamsObj*>(pJSObj->GetEmbedObject())) {
+            bUI = pprintparamsObj->bUI;
+            nStart = pprintparamsObj->nStart;
+            nEnd = pprintparamsObj->nEnd;
+            bSilent = pprintparamsObj->bSilent;
+            bShrinkToFit = pprintparamsObj->bShrinkToFit;
+            bPrintAsImage = pprintparamsObj->bPrintAsImage;
+            bReverse = pprintparamsObj->bReverse;
+            bAnnotations = pprintparamsObj->bAnnotations;
+          }
+        }
+      }
+    }
+  } else {
+    if (nlength >= 1)
+      bUI = pRuntime->ToBoolean(params[0]);
+    if (nlength >= 2)
+      nStart = pRuntime->ToInt32(params[1]);
+    if (nlength >= 3)
+      nEnd = pRuntime->ToInt32(params[2]);
+    if (nlength >= 4)
+      bSilent = pRuntime->ToBoolean(params[3]);
+    if (nlength >= 5)
+      bShrinkToFit = pRuntime->ToBoolean(params[4]);
+    if (nlength >= 6)
+      bPrintAsImage = pRuntime->ToBoolean(params[5]);
+    if (nlength >= 7)
+      bReverse = pRuntime->ToBoolean(params[6]);
+    if (nlength >= 8)
+      bAnnotations = pRuntime->ToBoolean(params[7]);
+  }
+
+  if (!m_pFormFillEnv)
+    return CJS_Return(false);
+
+  m_pFormFillEnv->JS_docprint(bUI, nStart, nEnd, bSilent, bShrinkToFit,
+                              bPrintAsImage, bReverse, bAnnotations);
+  return CJS_Return(true);
+}
+
+// removes the specified field from the document.
+// comment:
+// note: if the filed name is not rational, adobe is dumb for it.
+
+CJS_Return Document::removeField(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) ||
+        m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM)))
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+
+  WideString sFieldName = pRuntime->ToWideString(params[0]);
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  std::vector<CPDFSDK_Annot::ObservedPtr> widgets;
+  pInterForm->GetWidgets(sFieldName, &widgets);
+  if (widgets.empty())
+    return CJS_Return(true);
+
+  for (const auto& pAnnot : widgets) {
+    CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot.Get());
+    if (!pWidget)
+      continue;
+
+    CFX_FloatRect rcAnnot = pWidget->GetRect();
+    --rcAnnot.left;
+    --rcAnnot.bottom;
+    ++rcAnnot.right;
+    ++rcAnnot.top;
+
+    std::vector<CFX_FloatRect> aRefresh(1, rcAnnot);
+    UnderlyingPageType* pPage = pWidget->GetUnderlyingPage();
+    ASSERT(pPage);
+
+    // If there is currently no pageview associated with the page being used
+    // do not create one. We may be in the process of tearing down the document
+    // and creating a new pageview at this point will cause bad things.
+    CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(pPage, false);
+    if (pPageView) {
+#if PDF_ENABLE_XFA
+      pPageView->DeleteAnnot(pWidget);
+#endif  // PDF_ENABLE_XFA
+      pPageView->UpdateRects(aRefresh);
+    }
+  }
+  m_pFormFillEnv->SetChangeMark();
+
+  return CJS_Return(true);
+}
+
+// reset filed values within a document.
+// comment:
+// note: if the fields names r not rational, aodbe is dumb for it.
+
+CJS_Return Document::resetForm(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) ||
+        m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) ||
+        m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) {
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+  }
+
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
+  if (params.empty()) {
+    pPDFForm->ResetForm(true);
+    m_pFormFillEnv->SetChangeMark();
+    return CJS_Return(true);
+  }
+
+  v8::Local<v8::Array> array;
+  if (params[0]->IsString()) {
+    array = pRuntime->NewArray();
+    pRuntime->PutArrayElement(array, 0, params[0]);
+  } else {
+    array = pRuntime->ToArray(params[0]);
+  }
+
+  std::vector<CPDF_FormField*> aFields;
+  for (size_t i = 0; i < pRuntime->GetArrayLength(array); ++i) {
+    WideString swVal =
+        pRuntime->ToWideString(pRuntime->GetArrayElement(array, i));
+    for (int j = 0, jsz = pPDFForm->CountFields(swVal); j < jsz; ++j)
+      aFields.push_back(pPDFForm->GetField(j, swVal));
+  }
+
+  if (!aFields.empty()) {
+    pPDFForm->ResetForm(aFields, true, true);
+    m_pFormFillEnv->SetChangeMark();
+  }
+
+  return CJS_Return(true);
+}
+
+CJS_Return Document::saveAs(CJS_Runtime* pRuntime,
+                            const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::syncAnnotScan(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::submitForm(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  int nSize = params.size();
+  if (nSize < 1)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  v8::Local<v8::Array> aFields;
+  WideString strURL;
+  bool bFDF = true;
+  bool bEmpty = false;
+  if (params[0]->IsString()) {
+    strURL = pRuntime->ToWideString(params[0]);
+    if (nSize > 1)
+      bFDF = pRuntime->ToBoolean(params[1]);
+    if (nSize > 2)
+      bEmpty = pRuntime->ToBoolean(params[2]);
+    if (nSize > 3)
+      aFields = pRuntime->ToArray(params[3]);
+  } else if (params[0]->IsObject()) {
+    v8::Local<v8::Object> pObj = pRuntime->ToObject(params[0]);
+    v8::Local<v8::Value> pValue = pRuntime->GetObjectProperty(pObj, L"cURL");
+    if (!pValue.IsEmpty())
+      strURL = pRuntime->ToWideString(pValue);
+
+    bFDF = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bFDF"));
+    bEmpty = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bEmpty"));
+    aFields = pRuntime->ToArray(pRuntime->GetObjectProperty(pObj, L"aFields"));
+  }
+
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
+
+  if (pRuntime->GetArrayLength(aFields) == 0 && bEmpty) {
+    if (pPDFInterForm->CheckRequiredFields(nullptr, true)) {
+      pRuntime->BeginBlock();
+      pInterForm->SubmitForm(strURL, false);
+      pRuntime->EndBlock();
+    }
+    return CJS_Return(true);
+  }
+
+  std::vector<CPDF_FormField*> fieldObjects;
+  for (size_t i = 0; i < pRuntime->GetArrayLength(aFields); ++i) {
+    WideString sName =
+        pRuntime->ToWideString(pRuntime->GetArrayElement(aFields, i));
+    CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
+    for (int j = 0, jsz = pPDFForm->CountFields(sName); j < jsz; ++j) {
+      CPDF_FormField* pField = pPDFForm->GetField(j, sName);
+      if (!bEmpty && pField->GetValue().IsEmpty())
+        continue;
+
+      fieldObjects.push_back(pField);
+    }
+  }
+
+  if (pPDFInterForm->CheckRequiredFields(&fieldObjects, true)) {
+    pRuntime->BeginBlock();
+    pInterForm->SubmitFields(strURL, fieldObjects, true, !bFDF);
+    pRuntime->EndBlock();
+  }
+  return CJS_Return(true);
+}
+
+void Document::SetFormFillEnv(CPDFSDK_FormFillEnvironment* pFormFillEnv) {
+  m_pFormFillEnv.Reset(pFormFillEnv);
+}
+
+CJS_Return Document::get_bookmark_root(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_bookmark_root(CJS_Runtime* pRuntime,
+                                       v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::mailDoc(CJS_Runtime* pRuntime,
+                             const std::vector<v8::Local<v8::Value>>& params) {
+  // TODO(tsepez): Check maximum number of allowed params.
+  bool bUI = true;
+  WideString cTo = L"";
+  WideString cCc = L"";
+  WideString cBcc = L"";
+  WideString cSubject = L"";
+  WideString cMsg = L"";
+
+  if (params.size() >= 1)
+    bUI = pRuntime->ToBoolean(params[0]);
+  if (params.size() >= 2)
+    cTo = pRuntime->ToWideString(params[1]);
+  if (params.size() >= 3)
+    cCc = pRuntime->ToWideString(params[2]);
+  if (params.size() >= 4)
+    cBcc = pRuntime->ToWideString(params[3]);
+  if (params.size() >= 5)
+    cSubject = pRuntime->ToWideString(params[4]);
+  if (params.size() >= 6)
+    cMsg = pRuntime->ToWideString(params[5]);
+
+  if (params.size() >= 1 && params[0]->IsObject()) {
+    v8::Local<v8::Object> pObj = pRuntime->ToObject(params[0]);
+    bUI = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bUI"));
+    cTo = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cTo"));
+    cCc = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cCc"));
+    cBcc = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cBcc"));
+    cSubject =
+        pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cSubject"));
+    cMsg = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cMsg"));
+  }
+
+  pRuntime->BeginBlock();
+  CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
+  pFormFillEnv->JS_docmailForm(nullptr, 0, bUI, cTo.c_str(), cSubject.c_str(),
+                               cCc.c_str(), cBcc.c_str(), cMsg.c_str());
+  pRuntime->EndBlock();
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_author(CJS_Runtime* pRuntime) {
+  return getPropertyInternal(pRuntime, "Author");
+}
+
+CJS_Return Document::set_author(CJS_Runtime* pRuntime,
+                                v8::Local<v8::Value> vp) {
+  return setPropertyInternal(pRuntime, vp, "Author");
+}
+
+CJS_Return Document::get_info(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  const auto* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo();
+  if (!pDictionary)
+    return CJS_Return(false);
+
+  WideString cwAuthor = pDictionary->GetUnicodeTextFor("Author");
+  WideString cwTitle = pDictionary->GetUnicodeTextFor("Title");
+  WideString cwSubject = pDictionary->GetUnicodeTextFor("Subject");
+  WideString cwKeywords = pDictionary->GetUnicodeTextFor("Keywords");
+  WideString cwCreator = pDictionary->GetUnicodeTextFor("Creator");
+  WideString cwProducer = pDictionary->GetUnicodeTextFor("Producer");
+  WideString cwCreationDate = pDictionary->GetUnicodeTextFor("CreationDate");
+  WideString cwModDate = pDictionary->GetUnicodeTextFor("ModDate");
+  WideString cwTrapped = pDictionary->GetUnicodeTextFor("Trapped");
+
+  v8::Local<v8::Object> pObj = pRuntime->NewFxDynamicObj(-1);
+  pRuntime->PutObjectProperty(pObj, L"Author",
+                              pRuntime->NewString(cwAuthor.AsStringView()));
+  pRuntime->PutObjectProperty(pObj, L"Title",
+                              pRuntime->NewString(cwTitle.AsStringView()));
+  pRuntime->PutObjectProperty(pObj, L"Subject",
+                              pRuntime->NewString(cwSubject.AsStringView()));
+  pRuntime->PutObjectProperty(pObj, L"Keywords",
+                              pRuntime->NewString(cwKeywords.AsStringView()));
+  pRuntime->PutObjectProperty(pObj, L"Creator",
+                              pRuntime->NewString(cwCreator.AsStringView()));
+  pRuntime->PutObjectProperty(pObj, L"Producer",
+                              pRuntime->NewString(cwProducer.AsStringView()));
+  pRuntime->PutObjectProperty(
+      pObj, L"CreationDate",
+      pRuntime->NewString(cwCreationDate.AsStringView()));
+  pRuntime->PutObjectProperty(pObj, L"ModDate",
+                              pRuntime->NewString(cwModDate.AsStringView()));
+  pRuntime->PutObjectProperty(pObj, L"Trapped",
+                              pRuntime->NewString(cwTrapped.AsStringView()));
+
+  // It's to be compatible to non-standard info dictionary.
+  for (const auto& it : *pDictionary) {
+    const ByteString& bsKey = it.first;
+    CPDF_Object* pValueObj = it.second.get();
+    WideString wsKey = WideString::FromUTF8(bsKey.AsStringView());
+    if (pValueObj->IsString() || pValueObj->IsName()) {
+      pRuntime->PutObjectProperty(
+          pObj, wsKey,
+          pRuntime->NewString(pValueObj->GetUnicodeText().AsStringView()));
+    } else if (pValueObj->IsNumber()) {
+      pRuntime->PutObjectProperty(pObj, wsKey,
+                                  pRuntime->NewNumber(pValueObj->GetNumber()));
+    } else if (pValueObj->IsBoolean()) {
+      pRuntime->PutObjectProperty(
+          pObj, wsKey, pRuntime->NewBoolean(!!pValueObj->GetInteger()));
+    }
+  }
+  return CJS_Return(pObj);
+}
+
+CJS_Return Document::set_info(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::getPropertyInternal(CJS_Runtime* pRuntime,
+                                         const ByteString& propName) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo();
+  if (!pDictionary)
+    return CJS_Return(false);
+  return CJS_Return(
+      pRuntime->NewString(pDictionary->GetUnicodeTextFor(propName).c_str()));
+}
+
+CJS_Return Document::setPropertyInternal(CJS_Runtime* pRuntime,
+                                         v8::Local<v8::Value> vp,
+                                         const ByteString& propName) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo();
+  if (!pDictionary)
+    return CJS_Return(false);
+
+  if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY))
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+
+  WideString csProperty = pRuntime->ToWideString(vp);
+  pDictionary->SetNewFor<CPDF_String>(propName, PDF_EncodeText(csProperty),
+                                      false);
+  m_pFormFillEnv->SetChangeMark();
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_creation_date(CJS_Runtime* pRuntime) {
+  return getPropertyInternal(pRuntime, "CreationDate");
+}
+
+CJS_Return Document::set_creation_date(CJS_Runtime* pRuntime,
+                                       v8::Local<v8::Value> vp) {
+  return setPropertyInternal(pRuntime, vp, "CreationDate");
+}
+
+CJS_Return Document::get_creator(CJS_Runtime* pRuntime) {
+  return getPropertyInternal(pRuntime, "Creator");
+}
+
+CJS_Return Document::set_creator(CJS_Runtime* pRuntime,
+                                 v8::Local<v8::Value> vp) {
+  return setPropertyInternal(pRuntime, vp, "Creator");
+}
+
+CJS_Return Document::get_delay(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return CJS_Return(pRuntime->NewBoolean(m_bDelay));
+}
+
+CJS_Return Document::set_delay(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY))
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+
+  m_bDelay = pRuntime->ToBoolean(vp);
+  if (m_bDelay) {
+    m_DelayData.clear();
+    return CJS_Return(true);
+  }
+
+  std::list<std::unique_ptr<CJS_DelayData>> DelayDataToProcess;
+  DelayDataToProcess.swap(m_DelayData);
+  for (const auto& pData : DelayDataToProcess)
+    Field::DoDelay(m_pFormFillEnv.Get(), pData.get());
+
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_keywords(CJS_Runtime* pRuntime) {
+  return getPropertyInternal(pRuntime, "Keywords");
+}
+
+CJS_Return Document::set_keywords(CJS_Runtime* pRuntime,
+                                  v8::Local<v8::Value> vp) {
+  return setPropertyInternal(pRuntime, vp, "Keywords");
+}
+
+CJS_Return Document::get_mod_date(CJS_Runtime* pRuntime) {
+  return getPropertyInternal(pRuntime, "ModDate");
+}
+
+CJS_Return Document::set_mod_date(CJS_Runtime* pRuntime,
+                                  v8::Local<v8::Value> vp) {
+  return setPropertyInternal(pRuntime, vp, "ModDate");
+}
+
+CJS_Return Document::get_producer(CJS_Runtime* pRuntime) {
+  return getPropertyInternal(pRuntime, "Producer");
+}
+
+CJS_Return Document::set_producer(CJS_Runtime* pRuntime,
+                                  v8::Local<v8::Value> vp) {
+  return setPropertyInternal(pRuntime, vp, "Producer");
+}
+
+CJS_Return Document::get_subject(CJS_Runtime* pRuntime) {
+  return getPropertyInternal(pRuntime, "Subject");
+}
+
+CJS_Return Document::set_subject(CJS_Runtime* pRuntime,
+                                 v8::Local<v8::Value> vp) {
+  return setPropertyInternal(pRuntime, vp, "Subject");
+}
+
+CJS_Return Document::get_title(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv || !m_pFormFillEnv->GetUnderlyingDocument())
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return getPropertyInternal(pRuntime, "Title");
+}
+
+CJS_Return Document::set_title(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  if (!m_pFormFillEnv || !m_pFormFillEnv->GetUnderlyingDocument())
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return setPropertyInternal(pRuntime, vp, "Title");
+}
+
+CJS_Return Document::get_num_pages(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return CJS_Return(pRuntime->NewNumber(m_pFormFillEnv->GetPageCount()));
+}
+
+CJS_Return Document::set_num_pages(CJS_Runtime* pRuntime,
+                                   v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::get_external(CJS_Runtime* pRuntime) {
+  // In Chrome case, should always return true.
+  return CJS_Return(pRuntime->NewBoolean(true));
+}
+
+CJS_Return Document::set_external(CJS_Runtime* pRuntime,
+                                  v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_filesize(CJS_Runtime* pRuntime) {
+  return CJS_Return(pRuntime->NewNumber(0));
+}
+
+CJS_Return Document::set_filesize(CJS_Runtime* pRuntime,
+                                  v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::get_mouse_x(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_mouse_x(CJS_Runtime* pRuntime,
+                                 v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_mouse_y(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_mouse_y(CJS_Runtime* pRuntime,
+                                 v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_URL(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return CJS_Return(
+      pRuntime->NewString(m_pFormFillEnv->JS_docGetFilePath().c_str()));
+}
+
+CJS_Return Document::set_URL(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::get_base_URL(CJS_Runtime* pRuntime) {
+  return CJS_Return(pRuntime->NewString(m_cwBaseURL.c_str()));
+}
+
+CJS_Return Document::set_base_URL(CJS_Runtime* pRuntime,
+                                  v8::Local<v8::Value> vp) {
+  m_cwBaseURL = pRuntime->ToWideString(vp);
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_calculate(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  return CJS_Return(pRuntime->NewBoolean(!!pInterForm->IsCalculateEnabled()));
+}
+
+CJS_Return Document::set_calculate(CJS_Runtime* pRuntime,
+                                   v8::Local<v8::Value> vp) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
+  pInterForm->EnableCalculate(pRuntime->ToBoolean(vp));
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_document_file_name(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  WideString wsFilePath = m_pFormFillEnv->JS_docGetFilePath();
+  size_t i = wsFilePath.GetLength();
+  for (; i > 0; i--) {
+    if (wsFilePath[i - 1] == L'\\' || wsFilePath[i - 1] == L'/')
+      break;
+  }
+
+  if (i > 0 && i < wsFilePath.GetLength()) {
+    return CJS_Return(
+        pRuntime->NewString(wsFilePath.GetBuffer(wsFilePath.GetLength()) + i));
+  }
+  return CJS_Return(pRuntime->NewString(L""));
+}
+
+CJS_Return Document::set_document_file_name(CJS_Runtime* pRuntime,
+                                            v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::get_path(CJS_Runtime* pRuntime) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return CJS_Return(pRuntime->NewString(
+      app::SysPathToPDFPath(m_pFormFillEnv->JS_docGetFilePath()).c_str()));
+}
+
+CJS_Return Document::set_path(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::get_page_window_rect(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_page_window_rect(CJS_Runtime* pRuntime,
+                                          v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_layout(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_layout(CJS_Runtime* pRuntime,
+                                v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::addLink(CJS_Runtime* pRuntime,
+                             const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::closeDoc(CJS_Runtime* pRuntime,
+                              const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::getPageBox(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::getAnnot(CJS_Runtime* pRuntime,
+                              const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 2)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  int nPageNo = pRuntime->ToInt32(params[0]);
+  WideString swAnnotName = pRuntime->ToWideString(params[1]);
+  CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(nPageNo);
+  if (!pPageView)
+    return CJS_Return(false);
+
+  CPDFSDK_AnnotIteration annotIteration(pPageView, false);
+  CPDFSDK_BAAnnot* pSDKBAAnnot = nullptr;
+  for (const auto& pSDKAnnotCur : annotIteration) {
+    CPDFSDK_BAAnnot* pBAAnnot =
+        static_cast<CPDFSDK_BAAnnot*>(pSDKAnnotCur.Get());
+    if (pBAAnnot && pBAAnnot->GetAnnotName() == swAnnotName) {
+      pSDKBAAnnot = pBAAnnot;
+      break;
+    }
+  }
+  if (!pSDKBAAnnot)
+    return CJS_Return(false);
+
+  v8::Local<v8::Object> pObj =
+      pRuntime->NewFxDynamicObj(CJS_Annot::GetObjDefnID());
+  if (pObj.IsEmpty())
+    return CJS_Return(false);
+
+  CJS_Annot* pJS_Annot =
+      static_cast<CJS_Annot*>(pRuntime->GetObjectPrivate(pObj));
+  if (!pJS_Annot)
+    return CJS_Return(false);
+
+  Annot* pAnnot = static_cast<Annot*>(pJS_Annot->GetEmbedObject());
+  pAnnot->SetSDKAnnot(pSDKBAAnnot);
+
+  return CJS_Return(pJS_Annot->ToV8Object());
+}
+
+CJS_Return Document::getAnnots(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  // TODO(tonikitoo): Add support supported parameters as per
+  // the PDF spec.
+
+  int nPageNo = m_pFormFillEnv->GetPageCount();
+  v8::Local<v8::Array> annots = pRuntime->NewArray();
+  for (int i = 0; i < nPageNo; ++i) {
+    CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(i);
+    if (!pPageView)
+      return CJS_Return(false);
+
+    CPDFSDK_AnnotIteration annotIteration(pPageView, false);
+    for (const auto& pSDKAnnotCur : annotIteration) {
+      if (!pSDKAnnotCur)
+        return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+      v8::Local<v8::Object> pObj =
+          pRuntime->NewFxDynamicObj(CJS_Annot::GetObjDefnID());
+      if (pObj.IsEmpty())
+        return CJS_Return(false);
+
+      CJS_Annot* pJS_Annot =
+          static_cast<CJS_Annot*>(pRuntime->GetObjectPrivate(pObj));
+      Annot* pAnnot = static_cast<Annot*>(pJS_Annot->GetEmbedObject());
+      pAnnot->SetSDKAnnot(static_cast<CPDFSDK_BAAnnot*>(pSDKAnnotCur.Get()));
+      pRuntime->PutArrayElement(
+          annots, i,
+          pJS_Annot ? v8::Local<v8::Value>(pJS_Annot->ToV8Object())
+                    : v8::Local<v8::Value>());
+    }
+  }
+  return CJS_Return(annots);
+}
+
+CJS_Return Document::getAnnot3D(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(pRuntime->NewUndefined());
+}
+
+CJS_Return Document::getAnnots3D(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::getOCGs(CJS_Runtime* pRuntime,
+                             const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::getLinks(CJS_Runtime* pRuntime,
+                              const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+bool Document::IsEnclosedInRect(CFX_FloatRect rect, CFX_FloatRect LinkRect) {
+  return (rect.left <= LinkRect.left && rect.top <= LinkRect.top &&
+          rect.right >= LinkRect.right && rect.bottom >= LinkRect.bottom);
+}
+
+CJS_Return Document::addIcon(CJS_Runtime* pRuntime,
+                             const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 2)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+
+  WideString swIconName = pRuntime->ToWideString(params[0]);
+  if (!params[1]->IsObject())
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSTYPEERROR));
+
+  v8::Local<v8::Object> pJSIcon = pRuntime->ToObject(params[1]);
+  if (CFXJS_Engine::GetObjDefnID(pJSIcon) != CJS_Icon::GetObjDefnID())
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSTYPEERROR));
+
+  v8::Local<v8::Object> pObj = pRuntime->ToObject(params[1]);
+  CJS_Object* obj = static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
+  if (!obj->GetEmbedObject())
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSTYPEERROR));
+
+  m_IconNames.push_back(swIconName);
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_icons(CJS_Runtime* pRuntime) {
+  if (m_IconNames.empty())
+    return CJS_Return(pRuntime->NewUndefined());
+
+  v8::Local<v8::Array> Icons = pRuntime->NewArray();
+  int i = 0;
+  for (const auto& name : m_IconNames) {
+    v8::Local<v8::Object> pObj =
+        pRuntime->NewFxDynamicObj(CJS_Icon::GetObjDefnID());
+    if (pObj.IsEmpty())
+      return CJS_Return(false);
+
+    CJS_Icon* pJS_Icon =
+        static_cast<CJS_Icon*>(pRuntime->GetObjectPrivate(pObj));
+    Icon* pIcon = static_cast<Icon*>(pJS_Icon->GetEmbedObject());
+    pIcon->SetIconName(name);
+    pRuntime->PutArrayElement(Icons, i++,
+                              pJS_Icon
+                                  ? v8::Local<v8::Value>(pJS_Icon->ToV8Object())
+                                  : v8::Local<v8::Value>());
+  }
+  return CJS_Return(Icons);
+}
+
+CJS_Return Document::set_icons(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  return CJS_Return(JSGetStringFromID(IDS_STRING_JSREADONLY));
+}
+
+CJS_Return Document::getIcon(CJS_Runtime* pRuntime,
+                             const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+
+  WideString swIconName = pRuntime->ToWideString(params[0]);
+  auto it = std::find(m_IconNames.begin(), m_IconNames.end(), swIconName);
+  if (it == m_IconNames.end())
+    return CJS_Return(false);
+
+  v8::Local<v8::Object> pObj =
+      pRuntime->NewFxDynamicObj(CJS_Icon::GetObjDefnID());
+  if (pObj.IsEmpty())
+    return CJS_Return(false);
+
+  CJS_Icon* pJS_Icon = static_cast<CJS_Icon*>(pRuntime->GetObjectPrivate(pObj));
+  if (!pJS_Icon)
+    return CJS_Return(false);
+
+  Icon* pIcon = static_cast<Icon*>(pJS_Icon->GetEmbedObject());
+  pIcon->SetIconName(*it);
+  return CJS_Return(pJS_Icon->ToV8Object());
+}
+
+CJS_Return Document::removeIcon(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, no supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::createDataObject(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not implemented.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_media(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_media(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::calculateNow(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) ||
+        m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) ||
+        m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) {
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+  }
+
+  m_pFormFillEnv->GetInterForm()->OnCalculate();
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_collab(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_collab(CJS_Runtime* pRuntime,
+                                v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::getPageNthWord(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+
+  // TODO(tsepez): check maximum allowable params.
+
+  int nPageNo = params.size() > 0 ? pRuntime->ToInt32(params[0]) : 0;
+  int nWordNo = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 0;
+  bool bStrip = params.size() > 2 ? pRuntime->ToBoolean(params[2]) : true;
+
+  CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
+  if (!pDocument)
+    return CJS_Return(false);
+
+  if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSVALUEERROR));
+
+  CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
+  if (!pPageDict)
+    return CJS_Return(false);
+
+  CPDF_Page page(pDocument, pPageDict, true);
+  page.ParseContent();
+
+  int nWords = 0;
+  WideString swRet;
+  for (auto& pPageObj : *page.GetPageObjectList()) {
+    if (pPageObj->IsText()) {
+      CPDF_TextObject* pTextObj = pPageObj->AsText();
+      int nObjWords = CountWords(pTextObj);
+      if (nWords + nObjWords >= nWordNo) {
+        swRet = GetObjWordStr(pTextObj, nWordNo - nWords);
+        break;
+      }
+      nWords += nObjWords;
+    }
+  }
+
+  if (bStrip) {
+    swRet.TrimLeft();
+    swRet.TrimRight();
+  }
+  return CJS_Return(pRuntime->NewString(swRet.c_str()));
+}
+
+CJS_Return Document::getPageNthWordQuads(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  return CJS_Return(false);
+}
+
+CJS_Return Document::getPageNumWords(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+  if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSNOPERMISSION));
+
+  int nPageNo = params.size() > 0 ? pRuntime->ToInt32(params[0]) : 0;
+  CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
+  if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSVALUEERROR));
+
+  CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
+  if (!pPageDict)
+    return CJS_Return(false);
+
+  CPDF_Page page(pDocument, pPageDict, true);
+  page.ParseContent();
+
+  int nWords = 0;
+  for (auto& pPageObj : *page.GetPageObjectList()) {
+    if (pPageObj->IsText())
+      nWords += CountWords(pPageObj->AsText());
+  }
+
+  return CJS_Return(pRuntime->NewNumber(nWords));
+}
+
+CJS_Return Document::getPrintParams(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  v8::Local<v8::Object> pRetObj =
+      pRuntime->NewFxDynamicObj(CJS_PrintParamsObj::GetObjDefnID());
+  if (pRetObj.IsEmpty())
+    return CJS_Return(false);
+
+  // Not implemented yet.
+
+  return CJS_Return(pRetObj);
+}
+
+#define ISLATINWORD(u) (u != 0x20 && u <= 0x28FF)
+
+int Document::CountWords(CPDF_TextObject* pTextObj) {
+  if (!pTextObj)
+    return 0;
+
+  int nWords = 0;
+
+  CPDF_Font* pFont = pTextObj->GetFont();
+  if (!pFont)
+    return 0;
+
+  bool bIsLatin = false;
+
+  for (int i = 0, sz = pTextObj->CountChars(); i < sz; i++) {
+    uint32_t charcode = CPDF_Font::kInvalidCharCode;
+    float kerning;
+
+    pTextObj->GetCharInfo(i, &charcode, &kerning);
+    WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
+
+    uint16_t unicode = 0;
+    if (swUnicode.GetLength() > 0)
+      unicode = swUnicode[0];
+
+    if (ISLATINWORD(unicode) && bIsLatin)
+      continue;
+
+    bIsLatin = ISLATINWORD(unicode);
+    if (unicode != 0x20)
+      nWords++;
+  }
+
+  return nWords;
+}
+
+WideString Document::GetObjWordStr(CPDF_TextObject* pTextObj, int nWordIndex) {
+  WideString swRet;
+
+  CPDF_Font* pFont = pTextObj->GetFont();
+  if (!pFont)
+    return L"";
+
+  int nWords = 0;
+  bool bIsLatin = false;
+
+  for (int i = 0, sz = pTextObj->CountChars(); i < sz; i++) {
+    uint32_t charcode = CPDF_Font::kInvalidCharCode;
+    float kerning;
+
+    pTextObj->GetCharInfo(i, &charcode, &kerning);
+    WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
+
+    uint16_t unicode = 0;
+    if (swUnicode.GetLength() > 0)
+      unicode = swUnicode[0];
+
+    if (ISLATINWORD(unicode) && bIsLatin) {
+    } else {
+      bIsLatin = ISLATINWORD(unicode);
+      if (unicode != 0x20)
+        nWords++;
+    }
+
+    if (nWords - 1 == nWordIndex)
+      swRet += unicode;
+  }
+
+  return swRet;
+}
+
+CJS_Return Document::get_zoom(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_zoom(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::get_zoom_type(CJS_Runtime* pRuntime) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::set_zoom_type(CJS_Runtime* pRuntime,
+                                   v8::Local<v8::Value> vp) {
+  return CJS_Return(true);
+}
+
+CJS_Return Document::deletePages(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::extractPages(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::insertPages(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::replacePages(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::getURL(CJS_Runtime* pRuntime,
+                            const std::vector<v8::Local<v8::Value>>& params) {
+  // Unsafe, not supported.
+  return CJS_Return(true);
+}
+
+CJS_Return Document::gotoNamedDest(
+    CJS_Runtime* pRuntime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSPARAMERROR));
+  if (!m_pFormFillEnv)
+    return CJS_Return(JSGetStringFromID(IDS_STRING_JSBADOBJECT));
+
+  WideString wideName = pRuntime->ToWideString(params[0]);
+  CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
+  if (!pDocument)
+    return CJS_Return(false);
+
+  CPDF_NameTree nameTree(pDocument, "Dests");
+  CPDF_Array* destArray = nameTree.LookupNamedDest(pDocument, wideName);
+  if (!destArray)
+    return CJS_Return(false);
+
+  CPDF_Dest dest(destArray);
+  const CPDF_Array* arrayObject = ToArray(dest.GetObject());
+  std::vector<float> scrollPositionArray;
+  if (arrayObject) {
+    for (size_t i = 2; i < arrayObject->GetCount(); i++)
+      scrollPositionArray.push_back(arrayObject->GetFloatAt(i));
+  }
+  pRuntime->BeginBlock();
+  m_pFormFillEnv->DoGoToAction(dest.GetPageIndex(pDocument), dest.GetZoomMode(),
+                               scrollPositionArray.data(),
+                               scrollPositionArray.size());
+  pRuntime->EndBlock();
+  return CJS_Return(true);
+}
+
+void Document::AddDelayData(CJS_DelayData* pData) {
+  m_DelayData.push_back(std::unique_ptr<CJS_DelayData>(pData));
+}
+
+void Document::DoFieldDelay(const WideString& sFieldName, int nControlIndex) {
+  std::vector<std::unique_ptr<CJS_DelayData>> delayed_data;
+  auto iter = m_DelayData.begin();
+  while (iter != m_DelayData.end()) {
+    auto old = iter++;
+    if ((*old)->sFieldName == sFieldName &&
+        (*old)->nControlIndex == nControlIndex) {
+      delayed_data.push_back(std::move(*old));
+      m_DelayData.erase(old);
+    }
+  }
+
+  for (const auto& pData : delayed_data)
+    Field::DoDelay(m_pFormFillEnv.Get(), pData.get());
+}
+
+CJS_Document* Document::GetCJSDoc() const {
+  return static_cast<CJS_Document*>(m_pJSObject.Get());
+}