Home | History | Annotate | Download | only in fxjs 
      1 // Copyright 2017 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "fxjs/cjs_document.h"
      8 
      9 #include <utility>
     10 
     11 #include "core/fpdfapi/font/cpdf_font.h"
     12 #include "core/fpdfapi/page/cpdf_pageobject.h"
     13 #include "core/fpdfapi/page/cpdf_textobject.h"
     14 #include "core/fpdfapi/parser/cpdf_array.h"
     15 #include "core/fpdfapi/parser/cpdf_name.h"
     16 #include "core/fpdfapi/parser/cpdf_string.h"
     17 #include "core/fpdfdoc/cpdf_interform.h"
     18 #include "core/fpdfdoc/cpdf_nametree.h"
     19 #include "fpdfsdk/cpdfsdk_annotiteration.h"
     20 #include "fpdfsdk/cpdfsdk_interform.h"
     21 #include "fpdfsdk/cpdfsdk_pageview.h"
     22 #include "fxjs/cjs_annot.h"
     23 #include "fxjs/cjs_app.h"
     24 #include "fxjs/cjs_delaydata.h"
     25 #include "fxjs/cjs_field.h"
     26 #include "fxjs/cjs_icon.h"
     27 #include "fxjs/cjs_printparamsobj.h"
     28 #include "fxjs/js_resources.h"
     29 
     30 const JSPropertySpec CJS_Document::PropertySpecs[] = {
     31     {"ADBE", get_ADBE_static, set_ADBE_static},
     32     {"author", get_author_static, set_author_static},
     33     {"baseURL", get_base_URL_static, set_base_URL_static},
     34     {"bookmarkRoot", get_bookmark_root_static, set_bookmark_root_static},
     35     {"calculate", get_calculate_static, set_calculate_static},
     36     {"Collab", get_collab_static, set_collab_static},
     37     {"creationDate", get_creation_date_static, set_creation_date_static},
     38     {"creator", get_creator_static, set_creator_static},
     39     {"delay", get_delay_static, set_delay_static},
     40     {"dirty", get_dirty_static, set_dirty_static},
     41     {"documentFileName", get_document_file_name_static,
     42      set_document_file_name_static},
     43     {"external", get_external_static, set_external_static},
     44     {"filesize", get_filesize_static, set_filesize_static},
     45     {"icons", get_icons_static, set_icons_static},
     46     {"info", get_info_static, set_info_static},
     47     {"keywords", get_keywords_static, set_keywords_static},
     48     {"layout", get_layout_static, set_layout_static},
     49     {"media", get_media_static, set_media_static},
     50     {"modDate", get_mod_date_static, set_mod_date_static},
     51     {"mouseX", get_mouse_x_static, set_mouse_x_static},
     52     {"mouseY", get_mouse_y_static, set_mouse_y_static},
     53     {"numFields", get_num_fields_static, set_num_fields_static},
     54     {"numPages", get_num_pages_static, set_num_pages_static},
     55     {"pageNum", get_page_num_static, set_page_num_static},
     56     {"pageWindowRect", get_page_window_rect_static,
     57      set_page_window_rect_static},
     58     {"path", get_path_static, set_path_static},
     59     {"producer", get_producer_static, set_producer_static},
     60     {"subject", get_subject_static, set_subject_static},
     61     {"title", get_title_static, set_title_static},
     62     {"URL", get_URL_static, set_URL_static},
     63     {"zoom", get_zoom_static, set_zoom_static},
     64     {"zoomType", get_zoom_type_static, set_zoom_type_static}};
     65 
     66 const JSMethodSpec CJS_Document::MethodSpecs[] = {
     67     {"addAnnot", addAnnot_static},
     68     {"addField", addField_static},
     69     {"addLink", addLink_static},
     70     {"addIcon", addIcon_static},
     71     {"calculateNow", calculateNow_static},
     72     {"closeDoc", closeDoc_static},
     73     {"createDataObject", createDataObject_static},
     74     {"deletePages", deletePages_static},
     75     {"exportAsText", exportAsText_static},
     76     {"exportAsFDF", exportAsFDF_static},
     77     {"exportAsXFDF", exportAsXFDF_static},
     78     {"extractPages", extractPages_static},
     79     {"getAnnot", getAnnot_static},
     80     {"getAnnots", getAnnots_static},
     81     {"getAnnot3D", getAnnot3D_static},
     82     {"getAnnots3D", getAnnots3D_static},
     83     {"getField", getField_static},
     84     {"getIcon", getIcon_static},
     85     {"getLinks", getLinks_static},
     86     {"getNthFieldName", getNthFieldName_static},
     87     {"getOCGs", getOCGs_static},
     88     {"getPageBox", getPageBox_static},
     89     {"getPageNthWord", getPageNthWord_static},
     90     {"getPageNthWordQuads", getPageNthWordQuads_static},
     91     {"getPageNumWords", getPageNumWords_static},
     92     {"getPrintParams", getPrintParams_static},
     93     {"getURL", getURL_static},
     94     {"gotoNamedDest", gotoNamedDest_static},
     95     {"importAnFDF", importAnFDF_static},
     96     {"importAnXFDF", importAnXFDF_static},
     97     {"importTextData", importTextData_static},
     98     {"insertPages", insertPages_static},
     99     {"mailForm", mailForm_static},
    100     {"print", print_static},
    101     {"removeField", removeField_static},
    102     {"replacePages", replacePages_static},
    103     {"resetForm", resetForm_static},
    104     {"removeIcon", removeIcon_static},
    105     {"saveAs", saveAs_static},
    106     {"submitForm", submitForm_static},
    107     {"syncAnnotScan", syncAnnotScan_static},
    108     {"mailDoc", mailDoc_static}};
    109 
    110 int CJS_Document::ObjDefnID = -1;
    111 
    112 // static
    113 int CJS_Document::GetObjDefnID() {
    114   return ObjDefnID;
    115 }
    116 
    117 // static
    118 void CJS_Document::DefineJSObjects(CFXJS_Engine* pEngine) {
    119   ObjDefnID = pEngine->DefineObj("Document", FXJSOBJTYPE_GLOBAL,
    120                                  JSConstructor<CJS_Document, Document>,
    121                                  JSDestructor<CJS_Document>);
    122   DefineProps(pEngine, ObjDefnID, PropertySpecs, FX_ArraySize(PropertySpecs));
    123   DefineMethods(pEngine, ObjDefnID, MethodSpecs, FX_ArraySize(MethodSpecs));
    124 }
    125 
    126 void CJS_Document::InitInstance(IJS_Runtime* pIRuntime) {
    127   CJS_Runtime* pRuntime = static_cast<CJS_Runtime*>(pIRuntime);
    128   Document* pDoc = static_cast<Document*>(GetEmbedObject());
    129   pDoc->SetFormFillEnv(pRuntime->GetFormFillEnv());
    130 }
    131 
    132 Document::Document(CJS_Object* pJSObject)
    133     : CJS_EmbedObj(pJSObject),
    134       m_pFormFillEnv(nullptr),
    135       m_cwBaseURL(L""),
    136       m_bDelay(false) {}
    137 
    138 Document::~Document() {}
    139 
    140 // The total number of fields in document.
    141 CJS_Return Document::get_num_fields(CJS_Runtime* pRuntime) {
    142   if (!m_pFormFillEnv)
    143     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    144 
    145   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    146   CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
    147   return CJS_Return(pRuntime->NewNumber(
    148       static_cast<int>(pPDFForm->CountFields(WideString()))));
    149 }
    150 
    151 CJS_Return Document::set_num_fields(CJS_Runtime* pRuntime,
    152                                     v8::Local<v8::Value> vp) {
    153   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
    154 }
    155 
    156 CJS_Return Document::get_dirty(CJS_Runtime* pRuntime) {
    157   if (!m_pFormFillEnv)
    158     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    159   return CJS_Return(pRuntime->NewBoolean(!!m_pFormFillEnv->GetChangeMark()));
    160 }
    161 
    162 CJS_Return Document::set_dirty(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    163   if (!m_pFormFillEnv)
    164     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    165 
    166   pRuntime->ToBoolean(vp) ? m_pFormFillEnv->SetChangeMark()
    167                           : m_pFormFillEnv->ClearChangeMark();
    168   return CJS_Return(true);
    169 }
    170 
    171 CJS_Return Document::get_ADBE(CJS_Runtime* pRuntime) {
    172   return CJS_Return(pRuntime->NewUndefined());
    173 }
    174 
    175 CJS_Return Document::set_ADBE(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    176   return CJS_Return(true);
    177 }
    178 
    179 CJS_Return Document::get_page_num(CJS_Runtime* pRuntime) {
    180   if (!m_pFormFillEnv)
    181     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    182 
    183   CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetCurrentView();
    184   if (!pPageView)
    185     return CJS_Return(pRuntime->NewUndefined());
    186   return CJS_Return(pRuntime->NewNumber(pPageView->GetPageIndex()));
    187 }
    188 
    189 CJS_Return Document::set_page_num(CJS_Runtime* pRuntime,
    190                                   v8::Local<v8::Value> vp) {
    191   if (!m_pFormFillEnv)
    192     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    193 
    194   int iPageCount = m_pFormFillEnv->GetPageCount();
    195   int iPageNum = pRuntime->ToInt32(vp);
    196   if (iPageNum >= 0 && iPageNum < iPageCount)
    197     m_pFormFillEnv->JS_docgotoPage(iPageNum);
    198   else if (iPageNum >= iPageCount)
    199     m_pFormFillEnv->JS_docgotoPage(iPageCount - 1);
    200   else if (iPageNum < 0)
    201     m_pFormFillEnv->JS_docgotoPage(0);
    202 
    203   return CJS_Return(true);
    204 }
    205 
    206 CJS_Return Document::addAnnot(CJS_Runtime* pRuntime,
    207                               const std::vector<v8::Local<v8::Value>>& params) {
    208   // Not supported.
    209   return CJS_Return(true);
    210 }
    211 
    212 CJS_Return Document::addField(CJS_Runtime* pRuntime,
    213                               const std::vector<v8::Local<v8::Value>>& params) {
    214   // Not supported.
    215   return CJS_Return(true);
    216 }
    217 
    218 CJS_Return Document::exportAsText(
    219     CJS_Runtime* pRuntime,
    220     const std::vector<v8::Local<v8::Value>>& params) {
    221   // Unsafe, not supported.
    222   return CJS_Return(true);
    223 }
    224 
    225 CJS_Return Document::exportAsFDF(
    226     CJS_Runtime* pRuntime,
    227     const std::vector<v8::Local<v8::Value>>& params) {
    228   // Unsafe, not supported.
    229   return CJS_Return(true);
    230 }
    231 
    232 CJS_Return Document::exportAsXFDF(
    233     CJS_Runtime* pRuntime,
    234     const std::vector<v8::Local<v8::Value>>& params) {
    235   // Unsafe, not supported.
    236   return CJS_Return(true);
    237 }
    238 
    239 CJS_Return Document::getField(CJS_Runtime* pRuntime,
    240                               const std::vector<v8::Local<v8::Value>>& params) {
    241   if (params.size() < 1)
    242     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
    243   if (!m_pFormFillEnv)
    244     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    245 
    246   WideString wideName = pRuntime->ToWideString(params[0]);
    247   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    248   CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
    249   if (pPDFForm->CountFields(wideName) <= 0)
    250     return CJS_Return(pRuntime->NewUndefined());
    251 
    252   v8::Local<v8::Object> pFieldObj =
    253       pRuntime->NewFxDynamicObj(CJS_Field::GetObjDefnID());
    254   if (pFieldObj.IsEmpty())
    255     return CJS_Return(false);
    256 
    257   CJS_Field* pJSField =
    258       static_cast<CJS_Field*>(pRuntime->GetObjectPrivate(pFieldObj));
    259   Field* pField = static_cast<Field*>(pJSField->GetEmbedObject());
    260   pField->AttachField(this, wideName);
    261   if (!pJSField)
    262     return CJS_Return(false);
    263 
    264   return CJS_Return(pJSField->ToV8Object());
    265 }
    266 
    267 // Gets the name of the nth field in the document
    268 CJS_Return Document::getNthFieldName(
    269     CJS_Runtime* pRuntime,
    270     const std::vector<v8::Local<v8::Value>>& params) {
    271   if (params.size() != 1)
    272     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
    273   if (!m_pFormFillEnv)
    274     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    275 
    276   int nIndex = pRuntime->ToInt32(params[0]);
    277   if (nIndex < 0)
    278     return CJS_Return(JSGetStringFromID(JSMessage::kValueError));
    279 
    280   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    281   CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
    282   CPDF_FormField* pField = pPDFForm->GetField(nIndex, WideString());
    283   if (!pField)
    284     return CJS_Return(false);
    285   return CJS_Return(pRuntime->NewString(pField->GetFullName().c_str()));
    286 }
    287 
    288 CJS_Return Document::importAnFDF(
    289     CJS_Runtime* pRuntime,
    290     const std::vector<v8::Local<v8::Value>>& params) {
    291   // Unsafe, not supported.
    292   return CJS_Return(true);
    293 }
    294 
    295 CJS_Return Document::importAnXFDF(
    296     CJS_Runtime* pRuntime,
    297     const std::vector<v8::Local<v8::Value>>& params) {
    298   // Unsafe, not supported.
    299   return CJS_Return(true);
    300 }
    301 
    302 CJS_Return Document::importTextData(
    303     CJS_Runtime* pRuntime,
    304     const std::vector<v8::Local<v8::Value>>& params) {
    305   // Unsafe, not supported.
    306   return CJS_Return(true);
    307 }
    308 
    309 // exports the form data and mails the resulting fdf file as an attachment to
    310 // all recipients.
    311 // comment: need reader supports
    312 CJS_Return Document::mailForm(CJS_Runtime* pRuntime,
    313                               const std::vector<v8::Local<v8::Value>>& params) {
    314   if (!m_pFormFillEnv)
    315     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    316   if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
    317     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
    318 
    319   int iLength = params.size();
    320   bool bUI = iLength > 0 ? pRuntime->ToBoolean(params[0]) : true;
    321   WideString cTo = iLength > 1 ? pRuntime->ToWideString(params[1]) : L"";
    322   WideString cCc = iLength > 2 ? pRuntime->ToWideString(params[2]) : L"";
    323   WideString cBcc = iLength > 3 ? pRuntime->ToWideString(params[3]) : L"";
    324   WideString cSubject = iLength > 4 ? pRuntime->ToWideString(params[4]) : L"";
    325   WideString cMsg = iLength > 5 ? pRuntime->ToWideString(params[5]) : L"";
    326   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    327   ByteString sTextBuf = pInterForm->ExportFormToFDFTextBuf();
    328   if (sTextBuf.GetLength() == 0)
    329     return CJS_Return(false);
    330 
    331   size_t nBufSize = sTextBuf.GetLength();
    332   char* pMutableBuf = FX_Alloc(char, nBufSize);
    333   memcpy(pMutableBuf, sTextBuf.c_str(), nBufSize);
    334 
    335   pRuntime->BeginBlock();
    336   CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
    337   pFormFillEnv->JS_docmailForm(pMutableBuf, nBufSize, bUI, cTo.c_str(),
    338                                cSubject.c_str(), cCc.c_str(), cBcc.c_str(),
    339                                cMsg.c_str());
    340   pRuntime->EndBlock();
    341   FX_Free(pMutableBuf);
    342   return CJS_Return(true);
    343 }
    344 
    345 CJS_Return Document::print(CJS_Runtime* pRuntime,
    346                            const std::vector<v8::Local<v8::Value>>& params) {
    347   if (!m_pFormFillEnv)
    348     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    349 
    350   bool bUI = true;
    351   int nStart = 0;
    352   int nEnd = 0;
    353   bool bSilent = false;
    354   bool bShrinkToFit = false;
    355   bool bPrintAsImage = false;
    356   bool bReverse = false;
    357   bool bAnnotations = false;
    358   int nlength = params.size();
    359   if (nlength == 9) {
    360     if (params[8]->IsObject()) {
    361       v8::Local<v8::Object> pObj = pRuntime->ToObject(params[8]);
    362       if (CFXJS_Engine::GetObjDefnID(pObj) ==
    363           CJS_PrintParamsObj::GetObjDefnID()) {
    364         v8::Local<v8::Object> pObj = pRuntime->ToObject(params[8]);
    365         CJS_Object* pJSObj =
    366             static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
    367         if (pJSObj) {
    368           if (PrintParamsObj* pprintparamsObj =
    369                   static_cast<PrintParamsObj*>(pJSObj->GetEmbedObject())) {
    370             bUI = pprintparamsObj->bUI;
    371             nStart = pprintparamsObj->nStart;
    372             nEnd = pprintparamsObj->nEnd;
    373             bSilent = pprintparamsObj->bSilent;
    374             bShrinkToFit = pprintparamsObj->bShrinkToFit;
    375             bPrintAsImage = pprintparamsObj->bPrintAsImage;
    376             bReverse = pprintparamsObj->bReverse;
    377             bAnnotations = pprintparamsObj->bAnnotations;
    378           }
    379         }
    380       }
    381     }
    382   } else {
    383     if (nlength >= 1)
    384       bUI = pRuntime->ToBoolean(params[0]);
    385     if (nlength >= 2)
    386       nStart = pRuntime->ToInt32(params[1]);
    387     if (nlength >= 3)
    388       nEnd = pRuntime->ToInt32(params[2]);
    389     if (nlength >= 4)
    390       bSilent = pRuntime->ToBoolean(params[3]);
    391     if (nlength >= 5)
    392       bShrinkToFit = pRuntime->ToBoolean(params[4]);
    393     if (nlength >= 6)
    394       bPrintAsImage = pRuntime->ToBoolean(params[5]);
    395     if (nlength >= 7)
    396       bReverse = pRuntime->ToBoolean(params[6]);
    397     if (nlength >= 8)
    398       bAnnotations = pRuntime->ToBoolean(params[7]);
    399   }
    400 
    401   if (!m_pFormFillEnv)
    402     return CJS_Return(false);
    403 
    404   m_pFormFillEnv->JS_docprint(bUI, nStart, nEnd, bSilent, bShrinkToFit,
    405                               bPrintAsImage, bReverse, bAnnotations);
    406   return CJS_Return(true);
    407 }
    408 
    409 // removes the specified field from the document.
    410 // comment:
    411 // note: if the filed name is not rational, adobe is dumb for it.
    412 
    413 CJS_Return Document::removeField(
    414     CJS_Runtime* pRuntime,
    415     const std::vector<v8::Local<v8::Value>>& params) {
    416   if (params.size() != 1)
    417     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
    418   if (!m_pFormFillEnv)
    419     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    420 
    421   if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) ||
    422         m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM)))
    423     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
    424 
    425   WideString sFieldName = pRuntime->ToWideString(params[0]);
    426   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    427   std::vector<CPDFSDK_Annot::ObservedPtr> widgets;
    428   pInterForm->GetWidgets(sFieldName, &widgets);
    429   if (widgets.empty())
    430     return CJS_Return(true);
    431 
    432   for (const auto& pAnnot : widgets) {
    433     CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot.Get());
    434     if (!pWidget)
    435       continue;
    436 
    437     CFX_FloatRect rcAnnot = pWidget->GetRect();
    438     --rcAnnot.left;
    439     --rcAnnot.bottom;
    440     ++rcAnnot.right;
    441     ++rcAnnot.top;
    442 
    443     std::vector<CFX_FloatRect> aRefresh(1, rcAnnot);
    444     UnderlyingPageType* pPage = pWidget->GetUnderlyingPage();
    445     ASSERT(pPage);
    446 
    447     // If there is currently no pageview associated with the page being used
    448     // do not create one. We may be in the process of tearing down the document
    449     // and creating a new pageview at this point will cause bad things.
    450     CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(pPage, false);
    451     if (pPageView) {
    452 #if PDF_ENABLE_XFA
    453       pPageView->DeleteAnnot(pWidget);
    454 #endif  // PDF_ENABLE_XFA
    455       pPageView->UpdateRects(aRefresh);
    456     }
    457   }
    458   m_pFormFillEnv->SetChangeMark();
    459 
    460   return CJS_Return(true);
    461 }
    462 
    463 // reset filed values within a document.
    464 // comment:
    465 // note: if the fields names r not rational, aodbe is dumb for it.
    466 
    467 CJS_Return Document::resetForm(
    468     CJS_Runtime* pRuntime,
    469     const std::vector<v8::Local<v8::Value>>& params) {
    470   if (!m_pFormFillEnv)
    471     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    472   if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) ||
    473         m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) ||
    474         m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) {
    475     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
    476   }
    477 
    478   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    479   CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
    480   if (params.empty()) {
    481     pPDFForm->ResetForm(true);
    482     m_pFormFillEnv->SetChangeMark();
    483     return CJS_Return(true);
    484   }
    485 
    486   v8::Local<v8::Array> array;
    487   if (params[0]->IsString()) {
    488     array = pRuntime->NewArray();
    489     pRuntime->PutArrayElement(array, 0, params[0]);
    490   } else {
    491     array = pRuntime->ToArray(params[0]);
    492   }
    493 
    494   std::vector<CPDF_FormField*> aFields;
    495   for (size_t i = 0; i < pRuntime->GetArrayLength(array); ++i) {
    496     WideString swVal =
    497         pRuntime->ToWideString(pRuntime->GetArrayElement(array, i));
    498     for (int j = 0, jsz = pPDFForm->CountFields(swVal); j < jsz; ++j)
    499       aFields.push_back(pPDFForm->GetField(j, swVal));
    500   }
    501 
    502   if (!aFields.empty()) {
    503     pPDFForm->ResetForm(aFields, true, true);
    504     m_pFormFillEnv->SetChangeMark();
    505   }
    506 
    507   return CJS_Return(true);
    508 }
    509 
    510 CJS_Return Document::saveAs(CJS_Runtime* pRuntime,
    511                             const std::vector<v8::Local<v8::Value>>& params) {
    512   // Unsafe, not supported.
    513   return CJS_Return(true);
    514 }
    515 
    516 CJS_Return Document::syncAnnotScan(
    517     CJS_Runtime* pRuntime,
    518     const std::vector<v8::Local<v8::Value>>& params) {
    519   return CJS_Return(true);
    520 }
    521 
    522 CJS_Return Document::submitForm(
    523     CJS_Runtime* pRuntime,
    524     const std::vector<v8::Local<v8::Value>>& params) {
    525   int nSize = params.size();
    526   if (nSize < 1)
    527     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
    528   if (!m_pFormFillEnv)
    529     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    530 
    531   v8::Local<v8::Array> aFields;
    532   WideString strURL;
    533   bool bFDF = true;
    534   bool bEmpty = false;
    535   if (params[0]->IsString()) {
    536     strURL = pRuntime->ToWideString(params[0]);
    537     if (nSize > 1)
    538       bFDF = pRuntime->ToBoolean(params[1]);
    539     if (nSize > 2)
    540       bEmpty = pRuntime->ToBoolean(params[2]);
    541     if (nSize > 3)
    542       aFields = pRuntime->ToArray(params[3]);
    543   } else if (params[0]->IsObject()) {
    544     v8::Local<v8::Object> pObj = pRuntime->ToObject(params[0]);
    545     v8::Local<v8::Value> pValue = pRuntime->GetObjectProperty(pObj, L"cURL");
    546     if (!pValue.IsEmpty())
    547       strURL = pRuntime->ToWideString(pValue);
    548 
    549     bFDF = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bFDF"));
    550     bEmpty = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bEmpty"));
    551     aFields = pRuntime->ToArray(pRuntime->GetObjectProperty(pObj, L"aFields"));
    552   }
    553 
    554   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    555   CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
    556 
    557   if (pRuntime->GetArrayLength(aFields) == 0 && bEmpty) {
    558     if (pPDFInterForm->CheckRequiredFields(nullptr, true)) {
    559       pRuntime->BeginBlock();
    560       pInterForm->SubmitForm(strURL, false);
    561       pRuntime->EndBlock();
    562     }
    563     return CJS_Return(true);
    564   }
    565 
    566   std::vector<CPDF_FormField*> fieldObjects;
    567   for (size_t i = 0; i < pRuntime->GetArrayLength(aFields); ++i) {
    568     WideString sName =
    569         pRuntime->ToWideString(pRuntime->GetArrayElement(aFields, i));
    570     CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
    571     for (int j = 0, jsz = pPDFForm->CountFields(sName); j < jsz; ++j) {
    572       CPDF_FormField* pField = pPDFForm->GetField(j, sName);
    573       if (!bEmpty && pField->GetValue().IsEmpty())
    574         continue;
    575 
    576       fieldObjects.push_back(pField);
    577     }
    578   }
    579 
    580   if (pPDFInterForm->CheckRequiredFields(&fieldObjects, true)) {
    581     pRuntime->BeginBlock();
    582     pInterForm->SubmitFields(strURL, fieldObjects, true, !bFDF);
    583     pRuntime->EndBlock();
    584   }
    585   return CJS_Return(true);
    586 }
    587 
    588 void Document::SetFormFillEnv(CPDFSDK_FormFillEnvironment* pFormFillEnv) {
    589   m_pFormFillEnv.Reset(pFormFillEnv);
    590 }
    591 
    592 CJS_Return Document::get_bookmark_root(CJS_Runtime* pRuntime) {
    593   return CJS_Return(true);
    594 }
    595 
    596 CJS_Return Document::set_bookmark_root(CJS_Runtime* pRuntime,
    597                                        v8::Local<v8::Value> vp) {
    598   return CJS_Return(true);
    599 }
    600 
    601 CJS_Return Document::mailDoc(CJS_Runtime* pRuntime,
    602                              const std::vector<v8::Local<v8::Value>>& params) {
    603   // TODO(tsepez): Check maximum number of allowed params.
    604   bool bUI = true;
    605   WideString cTo = L"";
    606   WideString cCc = L"";
    607   WideString cBcc = L"";
    608   WideString cSubject = L"";
    609   WideString cMsg = L"";
    610 
    611   if (params.size() >= 1)
    612     bUI = pRuntime->ToBoolean(params[0]);
    613   if (params.size() >= 2)
    614     cTo = pRuntime->ToWideString(params[1]);
    615   if (params.size() >= 3)
    616     cCc = pRuntime->ToWideString(params[2]);
    617   if (params.size() >= 4)
    618     cBcc = pRuntime->ToWideString(params[3]);
    619   if (params.size() >= 5)
    620     cSubject = pRuntime->ToWideString(params[4]);
    621   if (params.size() >= 6)
    622     cMsg = pRuntime->ToWideString(params[5]);
    623 
    624   if (params.size() >= 1 && params[0]->IsObject()) {
    625     v8::Local<v8::Object> pObj = pRuntime->ToObject(params[0]);
    626     bUI = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bUI"));
    627     cTo = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cTo"));
    628     cCc = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cCc"));
    629     cBcc = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cBcc"));
    630     cSubject =
    631         pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cSubject"));
    632     cMsg = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cMsg"));
    633   }
    634 
    635   pRuntime->BeginBlock();
    636   CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
    637   pFormFillEnv->JS_docmailForm(nullptr, 0, bUI, cTo.c_str(), cSubject.c_str(),
    638                                cCc.c_str(), cBcc.c_str(), cMsg.c_str());
    639   pRuntime->EndBlock();
    640   return CJS_Return(true);
    641 }
    642 
    643 CJS_Return Document::get_author(CJS_Runtime* pRuntime) {
    644   return getPropertyInternal(pRuntime, "Author");
    645 }
    646 
    647 CJS_Return Document::set_author(CJS_Runtime* pRuntime,
    648                                 v8::Local<v8::Value> vp) {
    649   return setPropertyInternal(pRuntime, vp, "Author");
    650 }
    651 
    652 CJS_Return Document::get_info(CJS_Runtime* pRuntime) {
    653   if (!m_pFormFillEnv)
    654     CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    655 
    656   const auto* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo();
    657   if (!pDictionary)
    658     return CJS_Return(false);
    659 
    660   WideString cwAuthor = pDictionary->GetUnicodeTextFor("Author");
    661   WideString cwTitle = pDictionary->GetUnicodeTextFor("Title");
    662   WideString cwSubject = pDictionary->GetUnicodeTextFor("Subject");
    663   WideString cwKeywords = pDictionary->GetUnicodeTextFor("Keywords");
    664   WideString cwCreator = pDictionary->GetUnicodeTextFor("Creator");
    665   WideString cwProducer = pDictionary->GetUnicodeTextFor("Producer");
    666   WideString cwCreationDate = pDictionary->GetUnicodeTextFor("CreationDate");
    667   WideString cwModDate = pDictionary->GetUnicodeTextFor("ModDate");
    668   WideString cwTrapped = pDictionary->GetUnicodeTextFor("Trapped");
    669 
    670   v8::Local<v8::Object> pObj = pRuntime->NewFxDynamicObj(-1);
    671   pRuntime->PutObjectProperty(pObj, L"Author",
    672                               pRuntime->NewString(cwAuthor.AsStringView()));
    673   pRuntime->PutObjectProperty(pObj, L"Title",
    674                               pRuntime->NewString(cwTitle.AsStringView()));
    675   pRuntime->PutObjectProperty(pObj, L"Subject",
    676                               pRuntime->NewString(cwSubject.AsStringView()));
    677   pRuntime->PutObjectProperty(pObj, L"Keywords",
    678                               pRuntime->NewString(cwKeywords.AsStringView()));
    679   pRuntime->PutObjectProperty(pObj, L"Creator",
    680                               pRuntime->NewString(cwCreator.AsStringView()));
    681   pRuntime->PutObjectProperty(pObj, L"Producer",
    682                               pRuntime->NewString(cwProducer.AsStringView()));
    683   pRuntime->PutObjectProperty(
    684       pObj, L"CreationDate",
    685       pRuntime->NewString(cwCreationDate.AsStringView()));
    686   pRuntime->PutObjectProperty(pObj, L"ModDate",
    687                               pRuntime->NewString(cwModDate.AsStringView()));
    688   pRuntime->PutObjectProperty(pObj, L"Trapped",
    689                               pRuntime->NewString(cwTrapped.AsStringView()));
    690 
    691   // It's to be compatible to non-standard info dictionary.
    692   for (const auto& it : *pDictionary) {
    693     const ByteString& bsKey = it.first;
    694     CPDF_Object* pValueObj = it.second.get();
    695     WideString wsKey = WideString::FromUTF8(bsKey.AsStringView());
    696     if (pValueObj->IsString() || pValueObj->IsName()) {
    697       pRuntime->PutObjectProperty(
    698           pObj, wsKey,
    699           pRuntime->NewString(pValueObj->GetUnicodeText().AsStringView()));
    700     } else if (pValueObj->IsNumber()) {
    701       pRuntime->PutObjectProperty(pObj, wsKey,
    702                                   pRuntime->NewNumber(pValueObj->GetNumber()));
    703     } else if (pValueObj->IsBoolean()) {
    704       pRuntime->PutObjectProperty(
    705           pObj, wsKey, pRuntime->NewBoolean(!!pValueObj->GetInteger()));
    706     }
    707   }
    708   return CJS_Return(pObj);
    709 }
    710 
    711 CJS_Return Document::set_info(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    712   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
    713 }
    714 
    715 CJS_Return Document::getPropertyInternal(CJS_Runtime* pRuntime,
    716                                          const ByteString& propName) {
    717   if (!m_pFormFillEnv)
    718     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    719 
    720   CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo();
    721   if (!pDictionary)
    722     return CJS_Return(false);
    723   return CJS_Return(
    724       pRuntime->NewString(pDictionary->GetUnicodeTextFor(propName).c_str()));
    725 }
    726 
    727 CJS_Return Document::setPropertyInternal(CJS_Runtime* pRuntime,
    728                                          v8::Local<v8::Value> vp,
    729                                          const ByteString& propName) {
    730   if (!m_pFormFillEnv)
    731     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    732 
    733   CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo();
    734   if (!pDictionary)
    735     return CJS_Return(false);
    736 
    737   if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY))
    738     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
    739 
    740   WideString csProperty = pRuntime->ToWideString(vp);
    741   pDictionary->SetNewFor<CPDF_String>(propName, PDF_EncodeText(csProperty),
    742                                       false);
    743   m_pFormFillEnv->SetChangeMark();
    744   return CJS_Return(true);
    745 }
    746 
    747 CJS_Return Document::get_creation_date(CJS_Runtime* pRuntime) {
    748   return getPropertyInternal(pRuntime, "CreationDate");
    749 }
    750 
    751 CJS_Return Document::set_creation_date(CJS_Runtime* pRuntime,
    752                                        v8::Local<v8::Value> vp) {
    753   return setPropertyInternal(pRuntime, vp, "CreationDate");
    754 }
    755 
    756 CJS_Return Document::get_creator(CJS_Runtime* pRuntime) {
    757   return getPropertyInternal(pRuntime, "Creator");
    758 }
    759 
    760 CJS_Return Document::set_creator(CJS_Runtime* pRuntime,
    761                                  v8::Local<v8::Value> vp) {
    762   return setPropertyInternal(pRuntime, vp, "Creator");
    763 }
    764 
    765 CJS_Return Document::get_delay(CJS_Runtime* pRuntime) {
    766   if (!m_pFormFillEnv)
    767     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    768   return CJS_Return(pRuntime->NewBoolean(m_bDelay));
    769 }
    770 
    771 CJS_Return Document::set_delay(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    772   if (!m_pFormFillEnv)
    773     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    774   if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY))
    775     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
    776 
    777   m_bDelay = pRuntime->ToBoolean(vp);
    778   if (m_bDelay) {
    779     m_DelayData.clear();
    780     return CJS_Return(true);
    781   }
    782 
    783   std::list<std::unique_ptr<CJS_DelayData>> DelayDataToProcess;
    784   DelayDataToProcess.swap(m_DelayData);
    785   for (const auto& pData : DelayDataToProcess)
    786     Field::DoDelay(m_pFormFillEnv.Get(), pData.get());
    787 
    788   return CJS_Return(true);
    789 }
    790 
    791 CJS_Return Document::get_keywords(CJS_Runtime* pRuntime) {
    792   return getPropertyInternal(pRuntime, "Keywords");
    793 }
    794 
    795 CJS_Return Document::set_keywords(CJS_Runtime* pRuntime,
    796                                   v8::Local<v8::Value> vp) {
    797   return setPropertyInternal(pRuntime, vp, "Keywords");
    798 }
    799 
    800 CJS_Return Document::get_mod_date(CJS_Runtime* pRuntime) {
    801   return getPropertyInternal(pRuntime, "ModDate");
    802 }
    803 
    804 CJS_Return Document::set_mod_date(CJS_Runtime* pRuntime,
    805                                   v8::Local<v8::Value> vp) {
    806   return setPropertyInternal(pRuntime, vp, "ModDate");
    807 }
    808 
    809 CJS_Return Document::get_producer(CJS_Runtime* pRuntime) {
    810   return getPropertyInternal(pRuntime, "Producer");
    811 }
    812 
    813 CJS_Return Document::set_producer(CJS_Runtime* pRuntime,
    814                                   v8::Local<v8::Value> vp) {
    815   return setPropertyInternal(pRuntime, vp, "Producer");
    816 }
    817 
    818 CJS_Return Document::get_subject(CJS_Runtime* pRuntime) {
    819   return getPropertyInternal(pRuntime, "Subject");
    820 }
    821 
    822 CJS_Return Document::set_subject(CJS_Runtime* pRuntime,
    823                                  v8::Local<v8::Value> vp) {
    824   return setPropertyInternal(pRuntime, vp, "Subject");
    825 }
    826 
    827 CJS_Return Document::get_title(CJS_Runtime* pRuntime) {
    828   if (!m_pFormFillEnv || !m_pFormFillEnv->GetUnderlyingDocument())
    829     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    830   return getPropertyInternal(pRuntime, "Title");
    831 }
    832 
    833 CJS_Return Document::set_title(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    834   if (!m_pFormFillEnv || !m_pFormFillEnv->GetUnderlyingDocument())
    835     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    836   return setPropertyInternal(pRuntime, vp, "Title");
    837 }
    838 
    839 CJS_Return Document::get_num_pages(CJS_Runtime* pRuntime) {
    840   if (!m_pFormFillEnv)
    841     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    842   return CJS_Return(pRuntime->NewNumber(m_pFormFillEnv->GetPageCount()));
    843 }
    844 
    845 CJS_Return Document::set_num_pages(CJS_Runtime* pRuntime,
    846                                    v8::Local<v8::Value> vp) {
    847   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
    848 }
    849 
    850 CJS_Return Document::get_external(CJS_Runtime* pRuntime) {
    851   // In Chrome case, should always return true.
    852   return CJS_Return(pRuntime->NewBoolean(true));
    853 }
    854 
    855 CJS_Return Document::set_external(CJS_Runtime* pRuntime,
    856                                   v8::Local<v8::Value> vp) {
    857   return CJS_Return(true);
    858 }
    859 
    860 CJS_Return Document::get_filesize(CJS_Runtime* pRuntime) {
    861   return CJS_Return(pRuntime->NewNumber(0));
    862 }
    863 
    864 CJS_Return Document::set_filesize(CJS_Runtime* pRuntime,
    865                                   v8::Local<v8::Value> vp) {
    866   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
    867 }
    868 
    869 CJS_Return Document::get_mouse_x(CJS_Runtime* pRuntime) {
    870   return CJS_Return(true);
    871 }
    872 
    873 CJS_Return Document::set_mouse_x(CJS_Runtime* pRuntime,
    874                                  v8::Local<v8::Value> vp) {
    875   return CJS_Return(true);
    876 }
    877 
    878 CJS_Return Document::get_mouse_y(CJS_Runtime* pRuntime) {
    879   return CJS_Return(true);
    880 }
    881 
    882 CJS_Return Document::set_mouse_y(CJS_Runtime* pRuntime,
    883                                  v8::Local<v8::Value> vp) {
    884   return CJS_Return(true);
    885 }
    886 
    887 CJS_Return Document::get_URL(CJS_Runtime* pRuntime) {
    888   if (!m_pFormFillEnv)
    889     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    890   return CJS_Return(
    891       pRuntime->NewString(m_pFormFillEnv->JS_docGetFilePath().c_str()));
    892 }
    893 
    894 CJS_Return Document::set_URL(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    895   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
    896 }
    897 
    898 CJS_Return Document::get_base_URL(CJS_Runtime* pRuntime) {
    899   return CJS_Return(pRuntime->NewString(m_cwBaseURL.c_str()));
    900 }
    901 
    902 CJS_Return Document::set_base_URL(CJS_Runtime* pRuntime,
    903                                   v8::Local<v8::Value> vp) {
    904   m_cwBaseURL = pRuntime->ToWideString(vp);
    905   return CJS_Return(true);
    906 }
    907 
    908 CJS_Return Document::get_calculate(CJS_Runtime* pRuntime) {
    909   if (!m_pFormFillEnv)
    910     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    911 
    912   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    913   return CJS_Return(pRuntime->NewBoolean(!!pInterForm->IsCalculateEnabled()));
    914 }
    915 
    916 CJS_Return Document::set_calculate(CJS_Runtime* pRuntime,
    917                                    v8::Local<v8::Value> vp) {
    918   if (!m_pFormFillEnv)
    919     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    920 
    921   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
    922   pInterForm->EnableCalculate(pRuntime->ToBoolean(vp));
    923   return CJS_Return(true);
    924 }
    925 
    926 CJS_Return Document::get_document_file_name(CJS_Runtime* pRuntime) {
    927   if (!m_pFormFillEnv)
    928     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    929 
    930   WideString wsFilePath = m_pFormFillEnv->JS_docGetFilePath();
    931   size_t i = wsFilePath.GetLength();
    932   for (; i > 0; i--) {
    933     if (wsFilePath[i - 1] == L'\\' || wsFilePath[i - 1] == L'/')
    934       break;
    935   }
    936 
    937   if (i > 0 && i < wsFilePath.GetLength()) {
    938     return CJS_Return(
    939         pRuntime->NewString(wsFilePath.GetBuffer(wsFilePath.GetLength()) + i));
    940   }
    941   return CJS_Return(pRuntime->NewString(L""));
    942 }
    943 
    944 CJS_Return Document::set_document_file_name(CJS_Runtime* pRuntime,
    945                                             v8::Local<v8::Value> vp) {
    946   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
    947 }
    948 
    949 CJS_Return Document::get_path(CJS_Runtime* pRuntime) {
    950   if (!m_pFormFillEnv)
    951     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
    952   return CJS_Return(pRuntime->NewString(
    953       app::SysPathToPDFPath(m_pFormFillEnv->JS_docGetFilePath()).c_str()));
    954 }
    955 
    956 CJS_Return Document::set_path(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    957   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
    958 }
    959 
    960 CJS_Return Document::get_page_window_rect(CJS_Runtime* pRuntime) {
    961   return CJS_Return(true);
    962 }
    963 
    964 CJS_Return Document::set_page_window_rect(CJS_Runtime* pRuntime,
    965                                           v8::Local<v8::Value> vp) {
    966   return CJS_Return(true);
    967 }
    968 
    969 CJS_Return Document::get_layout(CJS_Runtime* pRuntime) {
    970   return CJS_Return(true);
    971 }
    972 
    973 CJS_Return Document::set_layout(CJS_Runtime* pRuntime,
    974                                 v8::Local<v8::Value> vp) {
    975   return CJS_Return(true);
    976 }
    977 
    978 CJS_Return Document::addLink(CJS_Runtime* pRuntime,
    979                              const std::vector<v8::Local<v8::Value>>& params) {
    980   return CJS_Return(true);
    981 }
    982 
    983 CJS_Return Document::closeDoc(CJS_Runtime* pRuntime,
    984                               const std::vector<v8::Local<v8::Value>>& params) {
    985   return CJS_Return(true);
    986 }
    987 
    988 CJS_Return Document::getPageBox(
    989     CJS_Runtime* pRuntime,
    990     const std::vector<v8::Local<v8::Value>>& params) {
    991   return CJS_Return(true);
    992 }
    993 
    994 CJS_Return Document::getAnnot(CJS_Runtime* pRuntime,
    995                               const std::vector<v8::Local<v8::Value>>& params) {
    996   if (params.size() != 2)
    997     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
    998   if (!m_pFormFillEnv)
    999     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1000 
   1001   int nPageNo = pRuntime->ToInt32(params[0]);
   1002   WideString swAnnotName = pRuntime->ToWideString(params[1]);
   1003   CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(nPageNo);
   1004   if (!pPageView)
   1005     return CJS_Return(false);
   1006 
   1007   CPDFSDK_AnnotIteration annotIteration(pPageView, false);
   1008   CPDFSDK_BAAnnot* pSDKBAAnnot = nullptr;
   1009   for (const auto& pSDKAnnotCur : annotIteration) {
   1010     CPDFSDK_BAAnnot* pBAAnnot =
   1011         static_cast<CPDFSDK_BAAnnot*>(pSDKAnnotCur.Get());
   1012     if (pBAAnnot && pBAAnnot->GetAnnotName() == swAnnotName) {
   1013       pSDKBAAnnot = pBAAnnot;
   1014       break;
   1015     }
   1016   }
   1017   if (!pSDKBAAnnot)
   1018     return CJS_Return(false);
   1019 
   1020   v8::Local<v8::Object> pObj =
   1021       pRuntime->NewFxDynamicObj(CJS_Annot::GetObjDefnID());
   1022   if (pObj.IsEmpty())
   1023     return CJS_Return(false);
   1024 
   1025   CJS_Annot* pJS_Annot =
   1026       static_cast<CJS_Annot*>(pRuntime->GetObjectPrivate(pObj));
   1027   if (!pJS_Annot)
   1028     return CJS_Return(false);
   1029 
   1030   Annot* pAnnot = static_cast<Annot*>(pJS_Annot->GetEmbedObject());
   1031   pAnnot->SetSDKAnnot(pSDKBAAnnot);
   1032 
   1033   return CJS_Return(pJS_Annot->ToV8Object());
   1034 }
   1035 
   1036 CJS_Return Document::getAnnots(
   1037     CJS_Runtime* pRuntime,
   1038     const std::vector<v8::Local<v8::Value>>& params) {
   1039   if (!m_pFormFillEnv)
   1040     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1041 
   1042   // TODO(tonikitoo): Add support supported parameters as per
   1043   // the PDF spec.
   1044 
   1045   int nPageNo = m_pFormFillEnv->GetPageCount();
   1046   v8::Local<v8::Array> annots = pRuntime->NewArray();
   1047   for (int i = 0; i < nPageNo; ++i) {
   1048     CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(i);
   1049     if (!pPageView)
   1050       return CJS_Return(false);
   1051 
   1052     CPDFSDK_AnnotIteration annotIteration(pPageView, false);
   1053     for (const auto& pSDKAnnotCur : annotIteration) {
   1054       if (!pSDKAnnotCur)
   1055         return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1056 
   1057       v8::Local<v8::Object> pObj =
   1058           pRuntime->NewFxDynamicObj(CJS_Annot::GetObjDefnID());
   1059       if (pObj.IsEmpty())
   1060         return CJS_Return(false);
   1061 
   1062       CJS_Annot* pJS_Annot =
   1063           static_cast<CJS_Annot*>(pRuntime->GetObjectPrivate(pObj));
   1064       Annot* pAnnot = static_cast<Annot*>(pJS_Annot->GetEmbedObject());
   1065       pAnnot->SetSDKAnnot(static_cast<CPDFSDK_BAAnnot*>(pSDKAnnotCur.Get()));
   1066       pRuntime->PutArrayElement(
   1067           annots, i,
   1068           pJS_Annot ? v8::Local<v8::Value>(pJS_Annot->ToV8Object())
   1069                     : v8::Local<v8::Value>());
   1070     }
   1071   }
   1072   return CJS_Return(annots);
   1073 }
   1074 
   1075 CJS_Return Document::getAnnot3D(
   1076     CJS_Runtime* pRuntime,
   1077     const std::vector<v8::Local<v8::Value>>& params) {
   1078   return CJS_Return(pRuntime->NewUndefined());
   1079 }
   1080 
   1081 CJS_Return Document::getAnnots3D(
   1082     CJS_Runtime* pRuntime,
   1083     const std::vector<v8::Local<v8::Value>>& params) {
   1084   return CJS_Return(true);
   1085 }
   1086 
   1087 CJS_Return Document::getOCGs(CJS_Runtime* pRuntime,
   1088                              const std::vector<v8::Local<v8::Value>>& params) {
   1089   return CJS_Return(true);
   1090 }
   1091 
   1092 CJS_Return Document::getLinks(CJS_Runtime* pRuntime,
   1093                               const std::vector<v8::Local<v8::Value>>& params) {
   1094   return CJS_Return(true);
   1095 }
   1096 
   1097 bool Document::IsEnclosedInRect(CFX_FloatRect rect, CFX_FloatRect LinkRect) {
   1098   return (rect.left <= LinkRect.left && rect.top <= LinkRect.top &&
   1099           rect.right >= LinkRect.right && rect.bottom >= LinkRect.bottom);
   1100 }
   1101 
   1102 CJS_Return Document::addIcon(CJS_Runtime* pRuntime,
   1103                              const std::vector<v8::Local<v8::Value>>& params) {
   1104   if (params.size() != 2)
   1105     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
   1106 
   1107   WideString swIconName = pRuntime->ToWideString(params[0]);
   1108   if (!params[1]->IsObject())
   1109     return CJS_Return(JSGetStringFromID(JSMessage::kTypeError));
   1110 
   1111   v8::Local<v8::Object> pJSIcon = pRuntime->ToObject(params[1]);
   1112   if (CFXJS_Engine::GetObjDefnID(pJSIcon) != CJS_Icon::GetObjDefnID())
   1113     return CJS_Return(JSGetStringFromID(JSMessage::kTypeError));
   1114 
   1115   v8::Local<v8::Object> pObj = pRuntime->ToObject(params[1]);
   1116   CJS_Object* obj = static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
   1117   if (!obj->GetEmbedObject())
   1118     return CJS_Return(JSGetStringFromID(JSMessage::kTypeError));
   1119 
   1120   m_IconNames.push_back(swIconName);
   1121   return CJS_Return(true);
   1122 }
   1123 
   1124 CJS_Return Document::get_icons(CJS_Runtime* pRuntime) {
   1125   if (m_IconNames.empty())
   1126     return CJS_Return(pRuntime->NewUndefined());
   1127 
   1128   v8::Local<v8::Array> Icons = pRuntime->NewArray();
   1129   int i = 0;
   1130   for (const auto& name : m_IconNames) {
   1131     v8::Local<v8::Object> pObj =
   1132         pRuntime->NewFxDynamicObj(CJS_Icon::GetObjDefnID());
   1133     if (pObj.IsEmpty())
   1134       return CJS_Return(false);
   1135 
   1136     CJS_Icon* pJS_Icon =
   1137         static_cast<CJS_Icon*>(pRuntime->GetObjectPrivate(pObj));
   1138     Icon* pIcon = static_cast<Icon*>(pJS_Icon->GetEmbedObject());
   1139     pIcon->SetIconName(name);
   1140     pRuntime->PutArrayElement(Icons, i++,
   1141                               pJS_Icon
   1142                                   ? v8::Local<v8::Value>(pJS_Icon->ToV8Object())
   1143                                   : v8::Local<v8::Value>());
   1144   }
   1145   return CJS_Return(Icons);
   1146 }
   1147 
   1148 CJS_Return Document::set_icons(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
   1149   return CJS_Return(JSGetStringFromID(JSMessage::kReadOnlyError));
   1150 }
   1151 
   1152 CJS_Return Document::getIcon(CJS_Runtime* pRuntime,
   1153                              const std::vector<v8::Local<v8::Value>>& params) {
   1154   if (params.size() != 1)
   1155     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
   1156 
   1157   WideString swIconName = pRuntime->ToWideString(params[0]);
   1158   auto it = std::find(m_IconNames.begin(), m_IconNames.end(), swIconName);
   1159   if (it == m_IconNames.end())
   1160     return CJS_Return(false);
   1161 
   1162   v8::Local<v8::Object> pObj =
   1163       pRuntime->NewFxDynamicObj(CJS_Icon::GetObjDefnID());
   1164   if (pObj.IsEmpty())
   1165     return CJS_Return(false);
   1166 
   1167   CJS_Icon* pJS_Icon = static_cast<CJS_Icon*>(pRuntime->GetObjectPrivate(pObj));
   1168   if (!pJS_Icon)
   1169     return CJS_Return(false);
   1170 
   1171   Icon* pIcon = static_cast<Icon*>(pJS_Icon->GetEmbedObject());
   1172   pIcon->SetIconName(*it);
   1173   return CJS_Return(pJS_Icon->ToV8Object());
   1174 }
   1175 
   1176 CJS_Return Document::removeIcon(
   1177     CJS_Runtime* pRuntime,
   1178     const std::vector<v8::Local<v8::Value>>& params) {
   1179   // Unsafe, no supported.
   1180   return CJS_Return(true);
   1181 }
   1182 
   1183 CJS_Return Document::createDataObject(
   1184     CJS_Runtime* pRuntime,
   1185     const std::vector<v8::Local<v8::Value>>& params) {
   1186   // Unsafe, not implemented.
   1187   return CJS_Return(true);
   1188 }
   1189 
   1190 CJS_Return Document::get_media(CJS_Runtime* pRuntime) {
   1191   return CJS_Return(true);
   1192 }
   1193 
   1194 CJS_Return Document::set_media(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
   1195   return CJS_Return(true);
   1196 }
   1197 
   1198 CJS_Return Document::calculateNow(
   1199     CJS_Runtime* pRuntime,
   1200     const std::vector<v8::Local<v8::Value>>& params) {
   1201   if (!m_pFormFillEnv)
   1202     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1203 
   1204   if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) ||
   1205         m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) ||
   1206         m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) {
   1207     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
   1208   }
   1209 
   1210   m_pFormFillEnv->GetInterForm()->OnCalculate();
   1211   return CJS_Return(true);
   1212 }
   1213 
   1214 CJS_Return Document::get_collab(CJS_Runtime* pRuntime) {
   1215   return CJS_Return(true);
   1216 }
   1217 
   1218 CJS_Return Document::set_collab(CJS_Runtime* pRuntime,
   1219                                 v8::Local<v8::Value> vp) {
   1220   return CJS_Return(true);
   1221 }
   1222 
   1223 CJS_Return Document::getPageNthWord(
   1224     CJS_Runtime* pRuntime,
   1225     const std::vector<v8::Local<v8::Value>>& params) {
   1226   if (!m_pFormFillEnv)
   1227     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1228   if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
   1229     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
   1230 
   1231   // TODO(tsepez): check maximum allowable params.
   1232 
   1233   int nPageNo = params.size() > 0 ? pRuntime->ToInt32(params[0]) : 0;
   1234   int nWordNo = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 0;
   1235   bool bStrip = params.size() > 2 ? pRuntime->ToBoolean(params[2]) : true;
   1236 
   1237   CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
   1238   if (!pDocument)
   1239     return CJS_Return(false);
   1240 
   1241   if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
   1242     return CJS_Return(JSGetStringFromID(JSMessage::kValueError));
   1243 
   1244   CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
   1245   if (!pPageDict)
   1246     return CJS_Return(false);
   1247 
   1248   CPDF_Page page(pDocument, pPageDict, true);
   1249   page.ParseContent();
   1250 
   1251   int nWords = 0;
   1252   WideString swRet;
   1253   for (auto& pPageObj : *page.GetPageObjectList()) {
   1254     if (pPageObj->IsText()) {
   1255       CPDF_TextObject* pTextObj = pPageObj->AsText();
   1256       int nObjWords = CountWords(pTextObj);
   1257       if (nWords + nObjWords >= nWordNo) {
   1258         swRet = GetObjWordStr(pTextObj, nWordNo - nWords);
   1259         break;
   1260       }
   1261       nWords += nObjWords;
   1262     }
   1263   }
   1264 
   1265   if (bStrip)
   1266     swRet.Trim();
   1267   return CJS_Return(pRuntime->NewString(swRet.c_str()));
   1268 }
   1269 
   1270 CJS_Return Document::getPageNthWordQuads(
   1271     CJS_Runtime* pRuntime,
   1272     const std::vector<v8::Local<v8::Value>>& params) {
   1273   if (!m_pFormFillEnv)
   1274     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1275   if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
   1276     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1277   return CJS_Return(false);
   1278 }
   1279 
   1280 CJS_Return Document::getPageNumWords(
   1281     CJS_Runtime* pRuntime,
   1282     const std::vector<v8::Local<v8::Value>>& params) {
   1283   if (!m_pFormFillEnv)
   1284     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1285   if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
   1286     return CJS_Return(JSGetStringFromID(JSMessage::kPermissionError));
   1287 
   1288   int nPageNo = params.size() > 0 ? pRuntime->ToInt32(params[0]) : 0;
   1289   CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
   1290   if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
   1291     return CJS_Return(JSGetStringFromID(JSMessage::kValueError));
   1292 
   1293   CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
   1294   if (!pPageDict)
   1295     return CJS_Return(false);
   1296 
   1297   CPDF_Page page(pDocument, pPageDict, true);
   1298   page.ParseContent();
   1299 
   1300   int nWords = 0;
   1301   for (auto& pPageObj : *page.GetPageObjectList()) {
   1302     if (pPageObj->IsText())
   1303       nWords += CountWords(pPageObj->AsText());
   1304   }
   1305 
   1306   return CJS_Return(pRuntime->NewNumber(nWords));
   1307 }
   1308 
   1309 CJS_Return Document::getPrintParams(
   1310     CJS_Runtime* pRuntime,
   1311     const std::vector<v8::Local<v8::Value>>& params) {
   1312   v8::Local<v8::Object> pRetObj =
   1313       pRuntime->NewFxDynamicObj(CJS_PrintParamsObj::GetObjDefnID());
   1314   if (pRetObj.IsEmpty())
   1315     return CJS_Return(false);
   1316 
   1317   // Not implemented yet.
   1318 
   1319   return CJS_Return(pRetObj);
   1320 }
   1321 
   1322 #define ISLATINWORD(u) (u != 0x20 && u <= 0x28FF)
   1323 
   1324 int Document::CountWords(CPDF_TextObject* pTextObj) {
   1325   if (!pTextObj)
   1326     return 0;
   1327 
   1328   int nWords = 0;
   1329 
   1330   CPDF_Font* pFont = pTextObj->GetFont();
   1331   if (!pFont)
   1332     return 0;
   1333 
   1334   bool bIsLatin = false;
   1335 
   1336   for (size_t i = 0, sz = pTextObj->CountChars(); i < sz; ++i) {
   1337     uint32_t charcode = CPDF_Font::kInvalidCharCode;
   1338     float kerning;
   1339 
   1340     pTextObj->GetCharInfo(i, &charcode, &kerning);
   1341     WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
   1342 
   1343     uint16_t unicode = 0;
   1344     if (swUnicode.GetLength() > 0)
   1345       unicode = swUnicode[0];
   1346 
   1347     if (ISLATINWORD(unicode) && bIsLatin)
   1348       continue;
   1349 
   1350     bIsLatin = ISLATINWORD(unicode);
   1351     if (unicode != 0x20)
   1352       nWords++;
   1353   }
   1354 
   1355   return nWords;
   1356 }
   1357 
   1358 WideString Document::GetObjWordStr(CPDF_TextObject* pTextObj, int nWordIndex) {
   1359   WideString swRet;
   1360 
   1361   CPDF_Font* pFont = pTextObj->GetFont();
   1362   if (!pFont)
   1363     return L"";
   1364 
   1365   int nWords = 0;
   1366   bool bIsLatin = false;
   1367 
   1368   for (size_t i = 0, sz = pTextObj->CountChars(); i < sz; ++i) {
   1369     uint32_t charcode = CPDF_Font::kInvalidCharCode;
   1370     float kerning;
   1371 
   1372     pTextObj->GetCharInfo(i, &charcode, &kerning);
   1373     WideString swUnicode = pFont->UnicodeFromCharCode(charcode);
   1374 
   1375     uint16_t unicode = 0;
   1376     if (swUnicode.GetLength() > 0)
   1377       unicode = swUnicode[0];
   1378 
   1379     if (ISLATINWORD(unicode) && bIsLatin) {
   1380     } else {
   1381       bIsLatin = ISLATINWORD(unicode);
   1382       if (unicode != 0x20)
   1383         nWords++;
   1384     }
   1385 
   1386     if (nWords - 1 == nWordIndex)
   1387       swRet += unicode;
   1388   }
   1389 
   1390   return swRet;
   1391 }
   1392 
   1393 CJS_Return Document::get_zoom(CJS_Runtime* pRuntime) {
   1394   return CJS_Return(true);
   1395 }
   1396 
   1397 CJS_Return Document::set_zoom(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
   1398   return CJS_Return(true);
   1399 }
   1400 
   1401 CJS_Return Document::get_zoom_type(CJS_Runtime* pRuntime) {
   1402   return CJS_Return(true);
   1403 }
   1404 
   1405 CJS_Return Document::set_zoom_type(CJS_Runtime* pRuntime,
   1406                                    v8::Local<v8::Value> vp) {
   1407   return CJS_Return(true);
   1408 }
   1409 
   1410 CJS_Return Document::deletePages(
   1411     CJS_Runtime* pRuntime,
   1412     const std::vector<v8::Local<v8::Value>>& params) {
   1413   // Unsafe, not supported.
   1414   return CJS_Return(true);
   1415 }
   1416 
   1417 CJS_Return Document::extractPages(
   1418     CJS_Runtime* pRuntime,
   1419     const std::vector<v8::Local<v8::Value>>& params) {
   1420   // Unsafe, not supported.
   1421   return CJS_Return(true);
   1422 }
   1423 
   1424 CJS_Return Document::insertPages(
   1425     CJS_Runtime* pRuntime,
   1426     const std::vector<v8::Local<v8::Value>>& params) {
   1427   // Unsafe, not supported.
   1428   return CJS_Return(true);
   1429 }
   1430 
   1431 CJS_Return Document::replacePages(
   1432     CJS_Runtime* pRuntime,
   1433     const std::vector<v8::Local<v8::Value>>& params) {
   1434   // Unsafe, not supported.
   1435   return CJS_Return(true);
   1436 }
   1437 
   1438 CJS_Return Document::getURL(CJS_Runtime* pRuntime,
   1439                             const std::vector<v8::Local<v8::Value>>& params) {
   1440   // Unsafe, not supported.
   1441   return CJS_Return(true);
   1442 }
   1443 
   1444 CJS_Return Document::gotoNamedDest(
   1445     CJS_Runtime* pRuntime,
   1446     const std::vector<v8::Local<v8::Value>>& params) {
   1447   if (params.size() != 1)
   1448     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
   1449   if (!m_pFormFillEnv)
   1450     return CJS_Return(JSGetStringFromID(JSMessage::kBadObjectError));
   1451 
   1452   WideString wideName = pRuntime->ToWideString(params[0]);
   1453   CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
   1454   if (!pDocument)
   1455     return CJS_Return(false);
   1456 
   1457   CPDF_NameTree nameTree(pDocument, "Dests");
   1458   CPDF_Array* destArray = nameTree.LookupNamedDest(pDocument, wideName);
   1459   if (!destArray)
   1460     return CJS_Return(false);
   1461 
   1462   CPDF_Dest dest(destArray);
   1463   const CPDF_Array* arrayObject = ToArray(dest.GetObject());
   1464   std::vector<float> scrollPositionArray;
   1465   if (arrayObject) {
   1466     for (size_t i = 2; i < arrayObject->GetCount(); i++)
   1467       scrollPositionArray.push_back(arrayObject->GetFloatAt(i));
   1468   }
   1469   pRuntime->BeginBlock();
   1470   m_pFormFillEnv->DoGoToAction(dest.GetPageIndex(pDocument), dest.GetZoomMode(),
   1471                                scrollPositionArray.data(),
   1472                                scrollPositionArray.size());
   1473   pRuntime->EndBlock();
   1474   return CJS_Return(true);
   1475 }
   1476 
   1477 void Document::AddDelayData(CJS_DelayData* pData) {
   1478   m_DelayData.push_back(std::unique_ptr<CJS_DelayData>(pData));
   1479 }
   1480 
   1481 void Document::DoFieldDelay(const WideString& sFieldName, int nControlIndex) {
   1482   std::vector<std::unique_ptr<CJS_DelayData>> delayed_data;
   1483   auto iter = m_DelayData.begin();
   1484   while (iter != m_DelayData.end()) {
   1485     auto old = iter++;
   1486     if ((*old)->sFieldName == sFieldName &&
   1487         (*old)->nControlIndex == nControlIndex) {
   1488       delayed_data.push_back(std::move(*old));
   1489       m_DelayData.erase(old);
   1490     }
   1491   }
   1492 
   1493   for (const auto& pData : delayed_data)
   1494     Field::DoDelay(m_pFormFillEnv.Get(), pData.get());
   1495 }
   1496 
   1497 CJS_Document* Document::GetCJSDoc() const {
   1498   return static_cast<CJS_Document*>(m_pJSObject.Get());
   1499 }
   1500