// Copyright 2014 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/Document.h" #include #include #include "core/fpdfapi/font/cpdf_font.h" #include "core/fpdfapi/page/cpdf_page.h" #include "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfapi/parser/cpdf_document.h" #include "core/fpdfapi/parser/cpdf_string.h" #include "core/fpdfapi/parser/fpdf_parser_decode.h" #include "core/fpdfdoc/cpdf_interform.h" #include "core/fpdfdoc/cpdf_nametree.h" #include "fpdfsdk/cpdfsdk_annotiterator.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/cpdfsdk_interform.h" #include "fpdfsdk/cpdfsdk_pageview.h" #include "fpdfsdk/cpdfsdk_widget.h" #include "fpdfsdk/javascript/Annot.h" #include "fpdfsdk/javascript/Field.h" #include "fpdfsdk/javascript/Icon.h" #include "fpdfsdk/javascript/JS_Define.h" #include "fpdfsdk/javascript/JS_EventHandler.h" #include "fpdfsdk/javascript/JS_Object.h" #include "fpdfsdk/javascript/JS_Value.h" #include "fpdfsdk/javascript/app.h" #include "fpdfsdk/javascript/cjs_context.h" #include "fpdfsdk/javascript/cjs_runtime.h" #include "fpdfsdk/javascript/resource.h" #include "third_party/base/numerics/safe_math.h" #include "third_party/base/ptr_util.h" BEGIN_JS_STATIC_CONST(CJS_PrintParamsObj) END_JS_STATIC_CONST() BEGIN_JS_STATIC_PROP(CJS_PrintParamsObj) END_JS_STATIC_PROP() BEGIN_JS_STATIC_METHOD(CJS_PrintParamsObj) END_JS_STATIC_METHOD() IMPLEMENT_JS_CLASS(CJS_PrintParamsObj, PrintParamsObj) PrintParamsObj::PrintParamsObj(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) { bUI = true; nStart = 0; nEnd = 0; bSilent = false; bShrinkToFit = false; bPrintAsImage = false; bReverse = false; bAnnotations = true; } #define MINWIDTH 5.0f #define MINHEIGHT 5.0f BEGIN_JS_STATIC_CONST(CJS_Document) END_JS_STATIC_CONST() BEGIN_JS_STATIC_PROP(CJS_Document) JS_STATIC_PROP_ENTRY(ADBE) JS_STATIC_PROP_ENTRY(author) JS_STATIC_PROP_ENTRY(baseURL) JS_STATIC_PROP_ENTRY(bookmarkRoot) JS_STATIC_PROP_ENTRY(calculate) JS_STATIC_PROP_ENTRY(Collab) JS_STATIC_PROP_ENTRY(creationDate) JS_STATIC_PROP_ENTRY(creator) JS_STATIC_PROP_ENTRY(delay) JS_STATIC_PROP_ENTRY(dirty) JS_STATIC_PROP_ENTRY(documentFileName) JS_STATIC_PROP_ENTRY(external) JS_STATIC_PROP_ENTRY(filesize) JS_STATIC_PROP_ENTRY(icons) JS_STATIC_PROP_ENTRY(info) JS_STATIC_PROP_ENTRY(keywords) JS_STATIC_PROP_ENTRY(layout) JS_STATIC_PROP_ENTRY(media) JS_STATIC_PROP_ENTRY(modDate) JS_STATIC_PROP_ENTRY(mouseX) JS_STATIC_PROP_ENTRY(mouseY) JS_STATIC_PROP_ENTRY(numFields) JS_STATIC_PROP_ENTRY(numPages) JS_STATIC_PROP_ENTRY(pageNum) JS_STATIC_PROP_ENTRY(pageWindowRect) JS_STATIC_PROP_ENTRY(path) JS_STATIC_PROP_ENTRY(producer) JS_STATIC_PROP_ENTRY(subject) JS_STATIC_PROP_ENTRY(title) JS_STATIC_PROP_ENTRY(URL) JS_STATIC_PROP_ENTRY(zoom) JS_STATIC_PROP_ENTRY(zoomType) END_JS_STATIC_PROP() BEGIN_JS_STATIC_METHOD(CJS_Document) JS_STATIC_METHOD_ENTRY(addAnnot) JS_STATIC_METHOD_ENTRY(addField) JS_STATIC_METHOD_ENTRY(addLink) JS_STATIC_METHOD_ENTRY(addIcon) JS_STATIC_METHOD_ENTRY(calculateNow) JS_STATIC_METHOD_ENTRY(closeDoc) JS_STATIC_METHOD_ENTRY(createDataObject) JS_STATIC_METHOD_ENTRY(deletePages) JS_STATIC_METHOD_ENTRY(exportAsText) JS_STATIC_METHOD_ENTRY(exportAsFDF) JS_STATIC_METHOD_ENTRY(exportAsXFDF) JS_STATIC_METHOD_ENTRY(extractPages) JS_STATIC_METHOD_ENTRY(getAnnot) JS_STATIC_METHOD_ENTRY(getAnnots) JS_STATIC_METHOD_ENTRY(getAnnot3D) JS_STATIC_METHOD_ENTRY(getAnnots3D) JS_STATIC_METHOD_ENTRY(getField) JS_STATIC_METHOD_ENTRY(getIcon) JS_STATIC_METHOD_ENTRY(getLinks) JS_STATIC_METHOD_ENTRY(getNthFieldName) JS_STATIC_METHOD_ENTRY(getOCGs) JS_STATIC_METHOD_ENTRY(getPageBox) JS_STATIC_METHOD_ENTRY(getPageNthWord) JS_STATIC_METHOD_ENTRY(getPageNthWordQuads) JS_STATIC_METHOD_ENTRY(getPageNumWords) JS_STATIC_METHOD_ENTRY(getPrintParams) JS_STATIC_METHOD_ENTRY(getURL) JS_STATIC_METHOD_ENTRY(gotoNamedDest) JS_STATIC_METHOD_ENTRY(importAnFDF) JS_STATIC_METHOD_ENTRY(importAnXFDF) JS_STATIC_METHOD_ENTRY(importTextData) JS_STATIC_METHOD_ENTRY(insertPages) JS_STATIC_METHOD_ENTRY(mailForm) JS_STATIC_METHOD_ENTRY(print) JS_STATIC_METHOD_ENTRY(removeField) JS_STATIC_METHOD_ENTRY(replacePages) JS_STATIC_METHOD_ENTRY(resetForm) JS_STATIC_METHOD_ENTRY(removeIcon) JS_STATIC_METHOD_ENTRY(saveAs) JS_STATIC_METHOD_ENTRY(submitForm) JS_STATIC_METHOD_ENTRY(syncAnnotScan) JS_STATIC_METHOD_ENTRY(mailDoc) END_JS_STATIC_METHOD() IMPLEMENT_JS_CLASS(CJS_Document, Document) void CJS_Document::InitInstance(IJS_Runtime* pIRuntime) { CJS_Runtime* pRuntime = static_cast(pIRuntime); Document* pDoc = static_cast(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 fileds in document. bool Document::numFields(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); vp << static_cast(pPDFForm->CountFields(CFX_WideString())); return true; } bool Document::dirty(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (vp.IsGetting()) { vp << !!m_pFormFillEnv->GetChangeMark(); } else { bool bChanged = false; vp >> bChanged; if (bChanged) m_pFormFillEnv->SetChangeMark(); else m_pFormFillEnv->ClearChangeMark(); } return true; } bool Document::ADBE(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsGetting()) vp.GetJSValue()->SetNull(CJS_Runtime::FromContext(cc)); return true; } bool Document::pageNum(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (vp.IsGetting()) { if (CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetCurrentView()) { vp << pPageView->GetPageIndex(); } } else { int iPageCount = m_pFormFillEnv->GetPageCount(); int iPageNum = 0; vp >> iPageNum; 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 true; } bool Document::addAnnot(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Not supported. return true; } bool Document::addField(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Not supported. return true; } bool Document::exportAsText(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::exportAsFDF(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::exportAsXFDF(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } // Maps a field object in PDF document to a JavaScript variable // comment: // note: the paremter cName, this is clue how to treat if the cName is not a // valiable filed name in this document bool Document::getField(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() < 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); CFX_WideString wideName = params[0].ToCFXWideString(pRuntime); CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); if (pPDFForm->CountFields(wideName) <= 0) { vRet.SetNull(pRuntime); return true; } v8::Local pFieldObj = pRuntime->NewFxDynamicObj(CJS_Field::g_nObjDefnID); CJS_Field* pJSField = static_cast(pRuntime->GetObjectPrivate(pFieldObj)); Field* pField = static_cast(pJSField->GetEmbedObject()); pField->AttachField(this, wideName); vRet = CJS_Value(pRuntime, pJSField); return true; } // Gets the name of the nth field in the document bool Document::getNthFieldName(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); int nIndex = params[0].ToInt(pRuntime); if (nIndex < 0) { sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); CPDF_FormField* pField = pPDFForm->GetField(nIndex, CFX_WideString()); if (!pField) return false; vRet = CJS_Value(pRuntime, pField->GetFullName().c_str()); return true; } bool Document::importAnFDF(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::importAnXFDF(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::importTextData(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } // exports the form data and mails the resulting fdf file as an attachment to // all recipients. // comment: need reader supports bool Document::mailForm(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); int iLength = params.size(); bool bUI = iLength > 0 ? params[0].ToBool(pRuntime) : true; CFX_WideString cTo = iLength > 1 ? params[1].ToCFXWideString(pRuntime) : L""; CFX_WideString cCc = iLength > 2 ? params[2].ToCFXWideString(pRuntime) : L""; CFX_WideString cBcc = iLength > 3 ? params[3].ToCFXWideString(pRuntime) : L""; CFX_WideString cSubject = iLength > 4 ? params[4].ToCFXWideString(pRuntime) : L""; CFX_WideString cMsg = iLength > 5 ? params[5].ToCFXWideString(pRuntime) : L""; CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CFX_ByteTextBuf textBuf; if (!pInterForm->ExportFormToFDFTextBuf(textBuf)) return false; pRuntime->BeginBlock(); CPDFSDK_FormFillEnvironment* pFormFillEnv = pContext->GetFormFillEnv(); pFormFillEnv->JS_docmailForm(textBuf.GetBuffer(), textBuf.GetLength(), bUI, cTo.c_str(), cSubject.c_str(), cCc.c_str(), cBcc.c_str(), cMsg.c_str()); pRuntime->EndBlock(); return true; } bool Document::print(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); 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].GetType() == CJS_Value::VT_object) { v8::Local pObj = params[8].ToV8Object(pRuntime); if (CFXJS_Engine::GetObjDefnID(pObj) == CJS_PrintParamsObj::g_nObjDefnID) { if (CJS_Object* pJSObj = params[8].ToCJSObject(pRuntime)) { if (PrintParamsObj* pprintparamsObj = static_cast(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 = params[0].ToBool(pRuntime); if (nlength >= 2) nStart = params[1].ToInt(pRuntime); if (nlength >= 3) nEnd = params[2].ToInt(pRuntime); if (nlength >= 4) bSilent = params[3].ToBool(pRuntime); if (nlength >= 5) bShrinkToFit = params[4].ToBool(pRuntime); if (nlength >= 6) bPrintAsImage = params[5].ToBool(pRuntime); if (nlength >= 7) bReverse = params[6].ToBool(pRuntime); if (nlength >= 8) bAnnotations = params[7].ToBool(pRuntime); } if (m_pFormFillEnv) { m_pFormFillEnv->JS_docprint(bUI, nStart, nEnd, bSilent, bShrinkToFit, bPrintAsImage, bReverse, bAnnotations); return true; } return false; } // removes the specified field from the document. // comment: // note: if the filed name is not rational, adobe is dumb for it. bool Document::removeField(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) || m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM))) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); CFX_WideString sFieldName = params[0].ToCFXWideString(pRuntime); CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); std::vector widgets; pInterForm->GetWidgets(sFieldName, &widgets); if (widgets.empty()) return true; for (CPDFSDK_Widget* pWidget : widgets) { CFX_FloatRect rcAnnot = pWidget->GetRect(); --rcAnnot.left; --rcAnnot.bottom; ++rcAnnot.right; ++rcAnnot.top; std::vector 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 true; } // reset filed values within a document. // comment: // note: if the fields names r not rational, aodbe is dumb for it. bool Document::resetForm(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) || m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) || m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFForm = pInterForm->GetInterForm(); CJS_Array aName; if (params.empty()) { pPDFForm->ResetForm(true); m_pFormFillEnv->SetChangeMark(); return true; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); switch (params[0].GetType()) { default: aName.Attach(params[0].ToV8Array(pRuntime)); break; case CJS_Value::VT_string: aName.SetElement(pRuntime, 0, params[0]); break; } std::vector aFields; for (int i = 0, isz = aName.GetLength(pRuntime); i < isz; ++i) { CJS_Value valElement(pRuntime); aName.GetElement(pRuntime, i, valElement); CFX_WideString swVal = valElement.ToCFXWideString(pRuntime); 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 true; } bool Document::saveAs(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::syncAnnotScan(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { return true; } bool Document::submitForm(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { int nSize = params.size(); if (nSize < 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); CJS_Array aFields; CFX_WideString strURL; bool bFDF = true; bool bEmpty = false; CJS_Value v = params[0]; if (v.GetType() == CJS_Value::VT_string) { strURL = params[0].ToCFXWideString(pRuntime); if (nSize > 1) bFDF = params[1].ToBool(pRuntime); if (nSize > 2) bEmpty = params[2].ToBool(pRuntime); if (nSize > 3) aFields.Attach(params[3].ToV8Array(pRuntime)); } else if (v.GetType() == CJS_Value::VT_object) { v8::Local pObj = params[0].ToV8Object(pRuntime); v8::Local pValue = pRuntime->GetObjectProperty(pObj, L"cURL"); if (!pValue.IsEmpty()) strURL = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"bFDF"); bFDF = CJS_Value(pRuntime, pValue).ToBool(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"bEmpty"); bEmpty = CJS_Value(pRuntime, pValue).ToBool(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"aFields"); aFields.Attach(CJS_Value(pRuntime, pValue).ToV8Array(pRuntime)); } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); if (aFields.GetLength(pRuntime) == 0 && bEmpty) { if (pPDFInterForm->CheckRequiredFields(nullptr, true)) { pRuntime->BeginBlock(); pInterForm->SubmitForm(strURL, false); pRuntime->EndBlock(); } return true; } std::vector fieldObjects; for (int i = 0, sz = aFields.GetLength(pRuntime); i < sz; ++i) { CJS_Value valName(pRuntime); aFields.GetElement(pRuntime, i, valName); CFX_WideString sName = valName.ToCFXWideString(pRuntime); 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 true; } void Document::SetFormFillEnv(CPDFSDK_FormFillEnvironment* pFormFillEnv) { m_pFormFillEnv.Reset(pFormFillEnv); } bool Document::bookmarkRoot(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::mailDoc(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { CJS_Context* pContext = static_cast(cc); // TODO(tsepez): Check maximum number of allowed params. bool bUI = true; CFX_WideString cTo = L""; CFX_WideString cCc = L""; CFX_WideString cBcc = L""; CFX_WideString cSubject = L""; CFX_WideString cMsg = L""; CJS_Runtime* pRuntime = pContext->GetJSRuntime(); if (params.size() >= 1) bUI = params[0].ToBool(pRuntime); if (params.size() >= 2) cTo = params[1].ToCFXWideString(pRuntime); if (params.size() >= 3) cCc = params[2].ToCFXWideString(pRuntime); if (params.size() >= 4) cBcc = params[3].ToCFXWideString(pRuntime); if (params.size() >= 5) cSubject = params[4].ToCFXWideString(pRuntime); if (params.size() >= 6) cMsg = params[5].ToCFXWideString(pRuntime); if (params.size() >= 1 && params[0].GetType() == CJS_Value::VT_object) { v8::Local pObj = params[0].ToV8Object(pRuntime); v8::Local pValue = pRuntime->GetObjectProperty(pObj, L"bUI"); bUI = CJS_Value(pRuntime, pValue).ToBool(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cTo"); cTo = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cCc"); cCc = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cBcc"); cBcc = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cSubject"); cSubject = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); pValue = pRuntime->GetObjectProperty(pObj, L"cMsg"); cMsg = CJS_Value(pRuntime, pValue).ToCFXWideString(pRuntime); } 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 true; } bool Document::author(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return getPropertyInternal(cc, vp, "Author", sError); } bool Document::info(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo(); if (!pDictionary) return false; CFX_WideString cwAuthor = pDictionary->GetUnicodeTextFor("Author"); CFX_WideString cwTitle = pDictionary->GetUnicodeTextFor("Title"); CFX_WideString cwSubject = pDictionary->GetUnicodeTextFor("Subject"); CFX_WideString cwKeywords = pDictionary->GetUnicodeTextFor("Keywords"); CFX_WideString cwCreator = pDictionary->GetUnicodeTextFor("Creator"); CFX_WideString cwProducer = pDictionary->GetUnicodeTextFor("Producer"); CFX_WideString cwCreationDate = pDictionary->GetUnicodeTextFor("CreationDate"); CFX_WideString cwModDate = pDictionary->GetUnicodeTextFor("ModDate"); CFX_WideString cwTrapped = pDictionary->GetUnicodeTextFor("Trapped"); CJS_Context* pContext = (CJS_Context*)cc; CJS_Runtime* pRuntime = pContext->GetJSRuntime(); v8::Local pObj = pRuntime->NewFxDynamicObj(-1); pRuntime->PutObjectString(pObj, L"Author", cwAuthor); pRuntime->PutObjectString(pObj, L"Title", cwTitle); pRuntime->PutObjectString(pObj, L"Subject", cwSubject); pRuntime->PutObjectString(pObj, L"Keywords", cwKeywords); pRuntime->PutObjectString(pObj, L"Creator", cwCreator); pRuntime->PutObjectString(pObj, L"Producer", cwProducer); pRuntime->PutObjectString(pObj, L"CreationDate", cwCreationDate); pRuntime->PutObjectString(pObj, L"ModDate", cwModDate); pRuntime->PutObjectString(pObj, L"Trapped", cwTrapped); // It's to be compatible to non-standard info dictionary. for (const auto& it : *pDictionary) { const CFX_ByteString& bsKey = it.first; CPDF_Object* pValueObj = it.second.get(); CFX_WideString wsKey = CFX_WideString::FromUTF8(bsKey.AsStringC()); if (pValueObj->IsString() || pValueObj->IsName()) { pRuntime->PutObjectString(pObj, wsKey, pValueObj->GetUnicodeText()); } else if (pValueObj->IsNumber()) { pRuntime->PutObjectNumber(pObj, wsKey, (float)pValueObj->GetNumber()); } else if (pValueObj->IsBoolean()) { pRuntime->PutObjectBoolean(pObj, wsKey, !!pValueObj->GetInteger()); } } vp << pObj; return true; } bool Document::getPropertyInternal(IJS_Context* cc, CJS_PropValue& vp, const CFX_ByteString& propName, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDF_Dictionary* pDictionary = m_pFormFillEnv->GetPDFDocument()->GetInfo(); if (!pDictionary) return false; if (vp.IsGetting()) { vp << pDictionary->GetUnicodeTextFor(propName); } else { if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } CFX_WideString csProperty; vp >> csProperty; pDictionary->SetNewFor(propName, PDF_EncodeText(csProperty), false); m_pFormFillEnv->SetChangeMark(); } return true; } bool Document::creationDate(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return getPropertyInternal(cc, vp, "CreationDate", sError); } bool Document::creator(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return getPropertyInternal(cc, vp, "Creator", sError); } bool Document::delay(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (vp.IsGetting()) { vp << m_bDelay; } else { if (!m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } vp >> m_bDelay; if (m_bDelay) { m_DelayData.clear(); } else { std::list> DelayDataToProcess; DelayDataToProcess.swap(m_DelayData); for (const auto& pData : DelayDataToProcess) Field::DoDelay(m_pFormFillEnv.Get(), pData.get()); } } return true; } bool Document::keywords(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return getPropertyInternal(cc, vp, "Keywords", sError); } bool Document::modDate(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return getPropertyInternal(cc, vp, "ModDate", sError); } bool Document::producer(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return getPropertyInternal(cc, vp, "Producer", sError); } bool Document::subject(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return getPropertyInternal(cc, vp, "Subject", sError); } bool Document::title(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (!m_pFormFillEnv || !m_pFormFillEnv->GetUnderlyingDocument()) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } return getPropertyInternal(cc, vp, "Title", sError); } bool Document::numPages(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp << m_pFormFillEnv->GetPageCount(); return true; } bool Document::external(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { // In Chrome case, should always return true. if (vp.IsGetting()) { vp << true; } return true; } bool Document::filesize(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } vp << 0; return true; } bool Document::mouseX(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::mouseY(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::URL(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp << m_pFormFillEnv->JS_docGetFilePath(); return true; } bool Document::baseURL(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsGetting()) { vp << m_cwBaseURL; } else { vp >> m_cwBaseURL; } return true; } bool Document::calculate(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm(); if (vp.IsGetting()) { vp << !!pInterForm->IsCalculateEnabled(); } else { bool bCalculate; vp >> bCalculate; pInterForm->EnableCalculate(bCalculate); } return true; } bool Document::documentFileName(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CFX_WideString wsFilePath = m_pFormFillEnv->JS_docGetFilePath(); int32_t i = wsFilePath.GetLength() - 1; for (; i >= 0; i--) { if (wsFilePath.GetAt(i) == L'\\' || wsFilePath.GetAt(i) == L'/') break; } if (i >= 0 && i < wsFilePath.GetLength() - 1) { vp << (wsFilePath.GetBuffer(wsFilePath.GetLength()) + i + 1); } else { vp << L""; } return true; } bool Document::path(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } vp << app::SysPathToPDFPath(m_pFormFillEnv->JS_docGetFilePath()); return true; } bool Document::pageWindowRect(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::layout(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::addLink(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { return true; } bool Document::closeDoc(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { return true; } bool Document::getPageBox(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { return true; } bool Document::getAnnot(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() != 2) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); int nPageNo = params[0].ToInt(pRuntime); CFX_WideString swAnnotName = params[1].ToCFXWideString(pRuntime); CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(nPageNo); if (!pPageView) return false; CPDFSDK_AnnotIterator annotIterator(pPageView, false); CPDFSDK_BAAnnot* pSDKBAAnnot = nullptr; while (CPDFSDK_Annot* pSDKAnnotCur = annotIterator.Next()) { CPDFSDK_BAAnnot* pBAAnnot = static_cast(pSDKAnnotCur); if (pBAAnnot && pBAAnnot->GetAnnotName() == swAnnotName) { pSDKBAAnnot = pBAAnnot; break; } } if (!pSDKBAAnnot) return false; v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Annot::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Annot* pJS_Annot = static_cast(pRuntime->GetObjectPrivate(pObj)); if (!pJS_Annot) return false; Annot* pAnnot = static_cast(pJS_Annot->GetEmbedObject()); if (!pAnnot) return false; pAnnot->SetSDKAnnot(pSDKBAAnnot); vRet = CJS_Value(pRuntime, pJS_Annot); return true; } bool Document::getAnnots(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); // TODO(tonikitoo): Add support supported parameters as per // the PDF spec. int nPageNo = m_pFormFillEnv->GetPageCount(); CJS_Array annots; for (int i = 0; i < nPageNo; ++i) { CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(i); if (!pPageView) return false; CPDFSDK_AnnotIterator annotIterator(pPageView, false); while (CPDFSDK_Annot* pSDKAnnotCur = annotIterator.Next()) { CPDFSDK_BAAnnot* pSDKBAAnnot = static_cast(pSDKAnnotCur); if (!pSDKBAAnnot) return false; v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Annot::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Annot* pJS_Annot = static_cast(pRuntime->GetObjectPrivate(pObj)); if (!pJS_Annot) return false; Annot* pAnnot = static_cast(pJS_Annot->GetEmbedObject()); if (!pAnnot) return false; pAnnot->SetSDKAnnot(pSDKBAAnnot); annots.SetElement(pRuntime, i, CJS_Value(pRuntime, pJS_Annot)); } } vRet = CJS_Value(pRuntime, annots); return true; } bool Document::getAnnot3D(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { vRet.SetNull(CJS_Runtime::FromContext(cc)); return true; } bool Document::getAnnots3D(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { return true; } bool Document::getOCGs(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { return true; } bool Document::getLinks(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { 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); } bool Document::addIcon(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() != 2) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } CJS_Context* pContext = static_cast(cc); CJS_Runtime* pRuntime = pContext->GetJSRuntime(); CFX_WideString swIconName = params[0].ToCFXWideString(pRuntime); if (params[1].GetType() != CJS_Value::VT_object) { sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR); return false; } v8::Local pJSIcon = params[1].ToV8Object(pRuntime); if (pRuntime->GetObjDefnID(pJSIcon) != CJS_Icon::g_nObjDefnID) { sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR); return false; } CJS_EmbedObj* pEmbedObj = params[1].ToCJSObject(pRuntime)->GetEmbedObject(); if (!pEmbedObj) { sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR); return false; } m_Icons.push_back(pdfium::MakeUnique( swIconName, static_cast(pEmbedObj))); return true; } bool Document::icons(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { if (vp.IsSetting()) { sError = JSGetStringFromID(IDS_STRING_JSREADONLY); return false; } CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); if (m_Icons.empty()) { vp.GetJSValue()->SetNull(pRuntime); return true; } CJS_Array Icons; int i = 0; for (const auto& pIconElement : m_Icons) { v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Icon::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Icon* pJS_Icon = static_cast(pRuntime->GetObjectPrivate(pObj)); if (!pJS_Icon) return false; Icon* pIcon = static_cast(pJS_Icon->GetEmbedObject()); if (!pIcon) return false; pIcon->SetStream(pIconElement->IconStream->GetStream()); pIcon->SetIconName(pIconElement->IconName); Icons.SetElement(pRuntime, i++, CJS_Value(pRuntime, pJS_Icon)); } vp << Icons; return true; } bool Document::getIcon(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (m_Icons.empty()) return false; CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); CFX_WideString swIconName = params[0].ToCFXWideString(pRuntime); for (const auto& pIconElement : m_Icons) { if (pIconElement->IconName != swIconName) continue; v8::Local pObj = pRuntime->NewFxDynamicObj(CJS_Icon::g_nObjDefnID); if (pObj.IsEmpty()) return false; CJS_Icon* pJS_Icon = static_cast(pRuntime->GetObjectPrivate(pObj)); if (!pJS_Icon) return false; Icon* pIcon = (Icon*)pJS_Icon->GetEmbedObject(); if (!pIcon) return false; pIcon->SetIconName(swIconName); pIcon->SetStream(pIconElement->IconStream->GetStream()); vRet = CJS_Value(pRuntime, pJS_Icon); return true; } return false; } bool Document::removeIcon(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, no supported. return true; } bool Document::createDataObject(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not implemented. return true; } bool Document::media(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::calculateNow(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!(m_pFormFillEnv->GetPermissions(FPDFPERM_MODIFY) || m_pFormFillEnv->GetPermissions(FPDFPERM_ANNOT_FORM) || m_pFormFillEnv->GetPermissions(FPDFPERM_FILL_FORM))) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } m_pFormFillEnv->GetInterForm()->OnCalculate(); return true; } bool Document::Collab(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::getPageNthWord(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); // TODO(tsepez): check maximum allowable params. int nPageNo = params.size() > 0 ? params[0].ToInt(pRuntime) : 0; int nWordNo = params.size() > 1 ? params[1].ToInt(pRuntime) : 0; bool bStrip = params.size() > 2 ? params[2].ToBool(pRuntime) : true; CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument(); if (!pDocument) return false; if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount()) { sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR); return false; } CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo); if (!pPageDict) return false; CPDF_Page page(pDocument, pPageDict, true); page.ParseContent(); int nWords = 0; CFX_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(); } vRet = CJS_Value(pRuntime, swRet.c_str()); return true; } bool Document::getPageNthWordQuads(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } return false; } bool Document::getPageNumWords(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } if (!m_pFormFillEnv->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) { sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION); return false; } CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); int nPageNo = params.size() > 0 ? params[0].ToInt(pRuntime) : 0; CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument(); if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount()) { sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR); return false; } CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo); if (!pPageDict) 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()); } vRet = CJS_Value(pRuntime, nWords); return true; } bool Document::getPrintParams(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { CJS_Context* pContext = (CJS_Context*)cc; CJS_Runtime* pRuntime = pContext->GetJSRuntime(); v8::Local pRetObj = pRuntime->NewFxDynamicObj(CJS_PrintParamsObj::g_nObjDefnID); // Not implemented yet. vRet = CJS_Value(pRuntime, pRetObj); return true; } #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; FX_FLOAT kerning; pTextObj->GetCharInfo(i, charcode, kerning); CFX_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; } CFX_WideString Document::GetObjWordStr(CPDF_TextObject* pTextObj, int nWordIndex) { CFX_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; FX_FLOAT kerning; pTextObj->GetCharInfo(i, charcode, kerning); CFX_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; } bool Document::zoom(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } /** (none, NoVary) (fitP, FitPage) (fitW, FitWidth) (fitH, FitHeight) (fitV, FitVisibleWidth) (pref, Preferred) (refW, ReflowWidth) */ bool Document::zoomType(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) { return true; } bool Document::deletePages(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, no supported. return true; } bool Document::extractPages(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::insertPages(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::replacePages(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::getURL(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { // Unsafe, not supported. return true; } bool Document::gotoNamedDest(IJS_Context* cc, const std::vector& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() != 1) { sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR); return false; } if (!m_pFormFillEnv) { sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT); return false; } CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); CFX_WideString wideName = params[0].ToCFXWideString(pRuntime); CFX_ByteString utf8Name = wideName.UTF8Encode(); CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument(); if (!pDocument) return false; CPDF_NameTree nameTree(pDocument, "Dests"); CPDF_Array* destArray = nameTree.LookupNamedDest(pDocument, utf8Name); if (!destArray) return false; CPDF_Dest dest(destArray); const CPDF_Array* arrayObject = ToArray(dest.GetObject()); std::unique_ptr scrollPositionArray; int scrollPositionArraySize = 0; if (arrayObject) { scrollPositionArray.reset(new float[arrayObject->GetCount()]); int j = 0; for (size_t i = 2; i < arrayObject->GetCount(); i++) scrollPositionArray[j++] = arrayObject->GetFloatAt(i); scrollPositionArraySize = j; } pRuntime->BeginBlock(); m_pFormFillEnv->DoGoToAction(dest.GetPageIndex(pDocument), dest.GetZoomMode(), scrollPositionArray.get(), scrollPositionArraySize); pRuntime->EndBlock(); return true; } void Document::AddDelayData(CJS_DelayData* pData) { m_DelayData.push_back(std::unique_ptr(pData)); } void Document::DoFieldDelay(const CFX_WideString& sFieldName, int nControlIndex) { std::vector> DelayDataForFieldAndControlIndex; auto iter = m_DelayData.begin(); while (iter != m_DelayData.end()) { auto old = iter++; if ((*old)->sFieldName == sFieldName && (*old)->nControlIndex == nControlIndex) { DelayDataForFieldAndControlIndex.push_back(std::move(*old)); m_DelayData.erase(old); } } for (const auto& pData : DelayDataForFieldAndControlIndex) Field::DoDelay(m_pFormFillEnv.Get(), pData.get()); } CJS_Document* Document::GetCJSDoc() const { return static_cast(m_pJSObject); }