diff options
Diffstat (limited to 'fpdfsdk/cpdfsdk_formfillenvironment.cpp')
| -rw-r--r-- | fpdfsdk/cpdfsdk_formfillenvironment.cpp | 554 |
1 files changed, 554 insertions, 0 deletions
diff --git a/fpdfsdk/cpdfsdk_formfillenvironment.cpp b/fpdfsdk/cpdfsdk_formfillenvironment.cpp new file mode 100644 index 0000000000..5b05d08128 --- /dev/null +++ b/fpdfsdk/cpdfsdk_formfillenvironment.cpp @@ -0,0 +1,554 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "fpdfsdk/cpdfsdk_formfillenvironment.h" + +#include <memory> + +#include "fpdfsdk/cpdfsdk_annothandlermgr.h" +#include "fpdfsdk/cpdfsdk_document.h" +#include "fpdfsdk/formfiller/cffl_interactiveformfiller.h" +#include "fpdfsdk/fsdk_actionhandler.h" +#include "fpdfsdk/javascript/ijs_runtime.h" +#include "third_party/base/ptr_util.h" + +#ifdef PDF_ENABLE_XFA +#include "fpdfsdk/fpdfxfa/cpdfxfa_app.h" +#endif // PDF_ENABLE_XFA + +namespace { + +// NOTE: |bsUTF16LE| must outlive the use of the result. Care must be taken +// since modifying the result would impact |bsUTF16LE|. +FPDF_WIDESTRING AsFPDFWideString(CFX_ByteString* bsUTF16LE) { + return reinterpret_cast<FPDF_WIDESTRING>( + bsUTF16LE->GetBuffer(bsUTF16LE->GetLength())); +} + +} // namespace + +CPDFSDK_FormFillEnvironment::CPDFSDK_FormFillEnvironment( + UnderlyingDocumentType* pDoc, + FPDF_FORMFILLINFO* pFFinfo) + : m_pInfo(pFFinfo), + m_pSDKDoc(new CPDFSDK_Document(pDoc, this)), + m_pUnderlyingDoc(pDoc), + m_pSysHandler(new CFX_SystemHandler(this)) {} + +CPDFSDK_FormFillEnvironment::~CPDFSDK_FormFillEnvironment() { +#ifdef PDF_ENABLE_XFA + CPDFXFA_App* pProvider = CPDFXFA_App::GetInstance(); + if (pProvider->m_pEnvList.GetSize() == 0) + pProvider->SetJavaScriptInitialized(FALSE); +#endif // PDF_ENABLE_XFA + if (m_pInfo && m_pInfo->Release) + m_pInfo->Release(m_pInfo); +} + +int CPDFSDK_FormFillEnvironment::JS_appAlert(const FX_WCHAR* Msg, + const FX_WCHAR* Title, + uint32_t Type, + uint32_t Icon) { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->app_alert) { + return -1; + } + CFX_ByteString bsMsg = CFX_WideString(Msg).UTF16LE_Encode(); + CFX_ByteString bsTitle = CFX_WideString(Title).UTF16LE_Encode(); + return m_pInfo->m_pJsPlatform->app_alert( + m_pInfo->m_pJsPlatform, AsFPDFWideString(&bsMsg), + AsFPDFWideString(&bsTitle), Type, Icon); +} + +int CPDFSDK_FormFillEnvironment::JS_appResponse(const FX_WCHAR* Question, + const FX_WCHAR* Title, + const FX_WCHAR* Default, + const FX_WCHAR* cLabel, + FPDF_BOOL bPassword, + void* response, + int length) { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->app_response) { + return -1; + } + CFX_ByteString bsQuestion = CFX_WideString(Question).UTF16LE_Encode(); + CFX_ByteString bsTitle = CFX_WideString(Title).UTF16LE_Encode(); + CFX_ByteString bsDefault = CFX_WideString(Default).UTF16LE_Encode(); + CFX_ByteString bsLabel = CFX_WideString(cLabel).UTF16LE_Encode(); + return m_pInfo->m_pJsPlatform->app_response( + m_pInfo->m_pJsPlatform, AsFPDFWideString(&bsQuestion), + AsFPDFWideString(&bsTitle), AsFPDFWideString(&bsDefault), + AsFPDFWideString(&bsLabel), bPassword, response, length); +} + +void CPDFSDK_FormFillEnvironment::JS_appBeep(int nType) { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->app_beep) { + return; + } + m_pInfo->m_pJsPlatform->app_beep(m_pInfo->m_pJsPlatform, nType); +} + +CFX_WideString CPDFSDK_FormFillEnvironment::JS_fieldBrowse() { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->Field_browse) { + return CFX_WideString(); + } + const int nRequiredLen = + m_pInfo->m_pJsPlatform->Field_browse(m_pInfo->m_pJsPlatform, nullptr, 0); + if (nRequiredLen <= 0) + return CFX_WideString(); + + std::unique_ptr<char[]> pBuff(new char[nRequiredLen]); + memset(pBuff.get(), 0, nRequiredLen); + const int nActualLen = m_pInfo->m_pJsPlatform->Field_browse( + m_pInfo->m_pJsPlatform, pBuff.get(), nRequiredLen); + if (nActualLen <= 0 || nActualLen > nRequiredLen) + return CFX_WideString(); + + return CFX_WideString::FromLocal(CFX_ByteStringC(pBuff.get(), nActualLen)); +} + +CFX_WideString CPDFSDK_FormFillEnvironment::JS_docGetFilePath() { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->Doc_getFilePath) { + return CFX_WideString(); + } + const int nRequiredLen = m_pInfo->m_pJsPlatform->Doc_getFilePath( + m_pInfo->m_pJsPlatform, nullptr, 0); + if (nRequiredLen <= 0) + return CFX_WideString(); + + std::unique_ptr<char[]> pBuff(new char[nRequiredLen]); + memset(pBuff.get(), 0, nRequiredLen); + const int nActualLen = m_pInfo->m_pJsPlatform->Doc_getFilePath( + m_pInfo->m_pJsPlatform, pBuff.get(), nRequiredLen); + if (nActualLen <= 0 || nActualLen > nRequiredLen) + return CFX_WideString(); + + return CFX_WideString::FromLocal(CFX_ByteStringC(pBuff.get(), nActualLen)); +} + +void CPDFSDK_FormFillEnvironment::JS_docSubmitForm(void* formData, + int length, + const FX_WCHAR* URL) { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->Doc_submitForm) { + return; + } + CFX_ByteString bsDestination = CFX_WideString(URL).UTF16LE_Encode(); + m_pInfo->m_pJsPlatform->Doc_submitForm(m_pInfo->m_pJsPlatform, formData, + length, + AsFPDFWideString(&bsDestination)); +} + +void CPDFSDK_FormFillEnvironment::JS_docmailForm(void* mailData, + int length, + FPDF_BOOL bUI, + const FX_WCHAR* To, + const FX_WCHAR* Subject, + const FX_WCHAR* CC, + const FX_WCHAR* BCC, + const FX_WCHAR* Msg) { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->Doc_mail) { + return; + } + CFX_ByteString bsTo = CFX_WideString(To).UTF16LE_Encode(); + CFX_ByteString bsSubject = CFX_WideString(Subject).UTF16LE_Encode(); + CFX_ByteString bsCC = CFX_WideString(CC).UTF16LE_Encode(); + CFX_ByteString bsBcc = CFX_WideString(BCC).UTF16LE_Encode(); + CFX_ByteString bsMsg = CFX_WideString(Msg).UTF16LE_Encode(); + m_pInfo->m_pJsPlatform->Doc_mail( + m_pInfo->m_pJsPlatform, mailData, length, bUI, AsFPDFWideString(&bsTo), + AsFPDFWideString(&bsSubject), AsFPDFWideString(&bsCC), + AsFPDFWideString(&bsBcc), AsFPDFWideString(&bsMsg)); +} + +void CPDFSDK_FormFillEnvironment::JS_docprint(FPDF_BOOL bUI, + int nStart, + int nEnd, + FPDF_BOOL bSilent, + FPDF_BOOL bShrinkToFit, + FPDF_BOOL bPrintAsImage, + FPDF_BOOL bReverse, + FPDF_BOOL bAnnotations) { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->Doc_print) { + return; + } + m_pInfo->m_pJsPlatform->Doc_print(m_pInfo->m_pJsPlatform, bUI, nStart, nEnd, + bSilent, bShrinkToFit, bPrintAsImage, + bReverse, bAnnotations); +} + +void CPDFSDK_FormFillEnvironment::JS_docgotoPage(int nPageNum) { + if (!m_pInfo || !m_pInfo->m_pJsPlatform || + !m_pInfo->m_pJsPlatform->Doc_gotoPage) { + return; + } + m_pInfo->m_pJsPlatform->Doc_gotoPage(m_pInfo->m_pJsPlatform, nPageNum); +} + +IJS_Runtime* CPDFSDK_FormFillEnvironment::GetJSRuntime() { + if (!IsJSInitiated()) + return nullptr; + if (!m_pJSRuntime) + m_pJSRuntime.reset(IJS_Runtime::Create(this)); + return m_pJSRuntime.get(); +} + +CPDFSDK_AnnotHandlerMgr* CPDFSDK_FormFillEnvironment::GetAnnotHandlerMgr() { + if (!m_pAnnotHandlerMgr) + m_pAnnotHandlerMgr = pdfium::MakeUnique<CPDFSDK_AnnotHandlerMgr>(this); + return m_pAnnotHandlerMgr.get(); +} + +CPDFSDK_ActionHandler* CPDFSDK_FormFillEnvironment::GetActionHander() { + if (!m_pActionHandler) + m_pActionHandler = pdfium::MakeUnique<CPDFSDK_ActionHandler>(); + return m_pActionHandler.get(); +} + +CFFL_InteractiveFormFiller* +CPDFSDK_FormFillEnvironment::GetInteractiveFormFiller() { + if (!m_pFormFiller) + m_pFormFiller = pdfium::MakeUnique<CFFL_InteractiveFormFiller>(this); + return m_pFormFiller.get(); +} + +void CPDFSDK_FormFillEnvironment::Invalidate(FPDF_PAGE page, + double left, + double top, + double right, + double bottom) { + if (m_pInfo && m_pInfo->FFI_Invalidate) + m_pInfo->FFI_Invalidate(m_pInfo, page, left, top, right, bottom); +} + +void CPDFSDK_FormFillEnvironment::OutputSelectedRect(FPDF_PAGE page, + double left, + double top, + double right, + double bottom) { + if (m_pInfo && m_pInfo->FFI_OutputSelectedRect) + m_pInfo->FFI_OutputSelectedRect(m_pInfo, page, left, top, right, bottom); +} + +void CPDFSDK_FormFillEnvironment::SetCursor(int nCursorType) { + if (m_pInfo && m_pInfo->FFI_SetCursor) + m_pInfo->FFI_SetCursor(m_pInfo, nCursorType); +} + +int CPDFSDK_FormFillEnvironment::SetTimer(int uElapse, + TimerCallback lpTimerFunc) { + if (m_pInfo && m_pInfo->FFI_SetTimer) + return m_pInfo->FFI_SetTimer(m_pInfo, uElapse, lpTimerFunc); + return -1; +} + +void CPDFSDK_FormFillEnvironment::KillTimer(int nTimerID) { + if (m_pInfo && m_pInfo->FFI_KillTimer) + m_pInfo->FFI_KillTimer(m_pInfo, nTimerID); +} + +FX_SYSTEMTIME CPDFSDK_FormFillEnvironment::GetLocalTime() const { + FX_SYSTEMTIME fxtime; + if (!m_pInfo || !m_pInfo->FFI_GetLocalTime) + return fxtime; + + FPDF_SYSTEMTIME systime = m_pInfo->FFI_GetLocalTime(m_pInfo); + fxtime.wDay = systime.wDay; + fxtime.wDayOfWeek = systime.wDayOfWeek; + fxtime.wHour = systime.wHour; + fxtime.wMilliseconds = systime.wMilliseconds; + fxtime.wMinute = systime.wMinute; + fxtime.wMonth = systime.wMonth; + fxtime.wSecond = systime.wSecond; + fxtime.wYear = systime.wYear; + return fxtime; +} + +void CPDFSDK_FormFillEnvironment::OnChange() { + if (m_pInfo && m_pInfo->FFI_OnChange) + m_pInfo->FFI_OnChange(m_pInfo); +} + +FX_BOOL CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(uint32_t nFlag) const { + return (nFlag & FWL_EVENTFLAG_ShiftKey) != 0; +} + +FX_BOOL CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(uint32_t nFlag) const { + return (nFlag & FWL_EVENTFLAG_ControlKey) != 0; +} + +FX_BOOL CPDFSDK_FormFillEnvironment::IsALTKeyDown(uint32_t nFlag) const { + return (nFlag & FWL_EVENTFLAG_AltKey) != 0; +} + +FPDF_PAGE CPDFSDK_FormFillEnvironment::GetPage(FPDF_DOCUMENT document, + int nPageIndex) { + if (m_pInfo && m_pInfo->FFI_GetPage) + return m_pInfo->FFI_GetPage(m_pInfo, document, nPageIndex); + return nullptr; +} + +FPDF_PAGE CPDFSDK_FormFillEnvironment::GetCurrentPage(FPDF_DOCUMENT document) { + if (m_pInfo && m_pInfo->FFI_GetCurrentPage) + return m_pInfo->FFI_GetCurrentPage(m_pInfo, document); + return nullptr; +} + +void CPDFSDK_FormFillEnvironment::ExecuteNamedAction( + const FX_CHAR* namedAction) { + if (m_pInfo && m_pInfo->FFI_ExecuteNamedAction) + m_pInfo->FFI_ExecuteNamedAction(m_pInfo, namedAction); +} + +void CPDFSDK_FormFillEnvironment::OnSetFieldInputFocus( + FPDF_WIDESTRING focusText, + FPDF_DWORD nTextLen, + FX_BOOL bFocus) { + if (m_pInfo && m_pInfo->FFI_SetTextFieldFocus) + m_pInfo->FFI_SetTextFieldFocus(m_pInfo, focusText, nTextLen, bFocus); +} + +void CPDFSDK_FormFillEnvironment::DoURIAction(const FX_CHAR* bsURI) { + if (m_pInfo && m_pInfo->FFI_DoURIAction) + m_pInfo->FFI_DoURIAction(m_pInfo, bsURI); +} + +void CPDFSDK_FormFillEnvironment::DoGoToAction(int nPageIndex, + int zoomMode, + float* fPosArray, + int sizeOfArray) { + if (m_pInfo && m_pInfo->FFI_DoGoToAction) { + m_pInfo->FFI_DoGoToAction(m_pInfo, nPageIndex, zoomMode, fPosArray, + sizeOfArray); + } +} + +#ifdef PDF_ENABLE_XFA +void CPDFSDK_FormFillEnvironment::DisplayCaret(FPDF_PAGE page, + FPDF_BOOL bVisible, + double left, + double top, + double right, + double bottom) { + if (m_pInfo && m_pInfo->FFI_DisplayCaret) { + m_pInfo->FFI_DisplayCaret(m_pInfo, page, bVisible, left, top, right, + bottom); + } +} + +int CPDFSDK_FormFillEnvironment::GetCurrentPageIndex(FPDF_DOCUMENT document) { + if (!m_pInfo || !m_pInfo->FFI_GetCurrentPageIndex) + return -1; + return m_pInfo->FFI_GetCurrentPageIndex(m_pInfo, document); +} + +void CPDFSDK_FormFillEnvironment::SetCurrentPage(FPDF_DOCUMENT document, + int iCurPage) { + if (m_pInfo && m_pInfo->FFI_SetCurrentPage) + m_pInfo->FFI_SetCurrentPage(m_pInfo, document, iCurPage); +} + +CFX_WideString CPDFSDK_FormFillEnvironment::GetPlatform() { + if (!m_pInfo || !m_pInfo->FFI_GetPlatform) + return L""; + + int nRequiredLen = m_pInfo->FFI_GetPlatform(m_pInfo, nullptr, 0); + if (nRequiredLen <= 0) + return L""; + + char* pbuff = new char[nRequiredLen]; + memset(pbuff, 0, nRequiredLen); + int nActualLen = m_pInfo->FFI_GetPlatform(m_pInfo, pbuff, nRequiredLen); + if (nActualLen <= 0 || nActualLen > nRequiredLen) { + delete[] pbuff; + return L""; + } + CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen); + CFX_WideString wsRet = CFX_WideString::FromUTF16LE( + (unsigned short*)bsRet.GetBuffer(bsRet.GetLength()), + bsRet.GetLength() / sizeof(unsigned short)); + delete[] pbuff; + return wsRet; +} + +void CPDFSDK_FormFillEnvironment::GotoURL(FPDF_DOCUMENT document, + const CFX_WideStringC& wsURL) { + if (!m_pInfo || !m_pInfo->FFI_GotoURL) + return; + + CFX_ByteString bsTo = CFX_WideString(wsURL).UTF16LE_Encode(); + FPDF_WIDESTRING pTo = (FPDF_WIDESTRING)bsTo.GetBuffer(wsURL.GetLength()); + m_pInfo->FFI_GotoURL(m_pInfo, document, pTo); + bsTo.ReleaseBuffer(); +} + +void CPDFSDK_FormFillEnvironment::GetPageViewRect(FPDF_PAGE page, + FS_RECTF& dstRect) { + if (!m_pInfo || !m_pInfo->FFI_GetPageViewRect) + return; + + double left; + double top; + double right; + double bottom; + m_pInfo->FFI_GetPageViewRect(m_pInfo, page, &left, &top, &right, &bottom); + + dstRect.left = static_cast<float>(left); + dstRect.top = static_cast<float>(top < bottom ? bottom : top); + dstRect.bottom = static_cast<float>(top < bottom ? top : bottom); + dstRect.right = static_cast<float>(right); +} + +FX_BOOL CPDFSDK_FormFillEnvironment::PopupMenu(FPDF_PAGE page, + FPDF_WIDGET hWidget, + int menuFlag, + CFX_PointF pt) { + if (!m_pInfo || !m_pInfo->FFI_PopupMenu) + return FALSE; + return m_pInfo->FFI_PopupMenu(m_pInfo, page, hWidget, menuFlag, pt.x, pt.y); +} + +void CPDFSDK_FormFillEnvironment::Alert(FPDF_WIDESTRING Msg, + FPDF_WIDESTRING Title, + int Type, + int Icon) { + if (m_pInfo && m_pInfo->m_pJsPlatform && m_pInfo->m_pJsPlatform->app_alert) { + m_pInfo->m_pJsPlatform->app_alert(m_pInfo->m_pJsPlatform, Msg, Title, Type, + Icon); + } +} + +void CPDFSDK_FormFillEnvironment::EmailTo(FPDF_FILEHANDLER* fileHandler, + FPDF_WIDESTRING pTo, + FPDF_WIDESTRING pSubject, + FPDF_WIDESTRING pCC, + FPDF_WIDESTRING pBcc, + FPDF_WIDESTRING pMsg) { + if (m_pInfo && m_pInfo->FFI_EmailTo) + m_pInfo->FFI_EmailTo(m_pInfo, fileHandler, pTo, pSubject, pCC, pBcc, pMsg); +} + +void CPDFSDK_FormFillEnvironment::UploadTo(FPDF_FILEHANDLER* fileHandler, + int fileFlag, + FPDF_WIDESTRING uploadTo) { + if (m_pInfo && m_pInfo->FFI_UploadTo) + m_pInfo->FFI_UploadTo(m_pInfo, fileHandler, fileFlag, uploadTo); +} + +FPDF_FILEHANDLER* CPDFSDK_FormFillEnvironment::OpenFile(int fileType, + FPDF_WIDESTRING wsURL, + const char* mode) { + if (m_pInfo && m_pInfo->FFI_OpenFile) + return m_pInfo->FFI_OpenFile(m_pInfo, fileType, wsURL, mode); + return nullptr; +} + +IFX_FileRead* CPDFSDK_FormFillEnvironment::DownloadFromURL( + const FX_WCHAR* url) { + if (!m_pInfo || !m_pInfo->FFI_DownloadFromURL) + return nullptr; + + CFX_ByteString bstrURL = CFX_WideString(url).UTF16LE_Encode(); + FPDF_WIDESTRING wsURL = + (FPDF_WIDESTRING)bstrURL.GetBuffer(bstrURL.GetLength()); + + FPDF_LPFILEHANDLER fileHandler = m_pInfo->FFI_DownloadFromURL(m_pInfo, wsURL); + + return new CFPDF_FileStream(fileHandler); +} + +CFX_WideString CPDFSDK_FormFillEnvironment::PostRequestURL( + const FX_WCHAR* wsURL, + const FX_WCHAR* wsData, + const FX_WCHAR* wsContentType, + const FX_WCHAR* wsEncode, + const FX_WCHAR* wsHeader) { + if (!m_pInfo || !m_pInfo->FFI_PostRequestURL) + return L""; + + CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode(); + FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength()); + + CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode(); + FPDF_WIDESTRING data = (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength()); + + CFX_ByteString bsContentType = CFX_WideString(wsContentType).UTF16LE_Encode(); + FPDF_WIDESTRING contentType = + (FPDF_WIDESTRING)bsContentType.GetBuffer(bsContentType.GetLength()); + + CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode(); + FPDF_WIDESTRING encode = + (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength()); + + CFX_ByteString bsHeader = CFX_WideString(wsHeader).UTF16LE_Encode(); + FPDF_WIDESTRING header = + (FPDF_WIDESTRING)bsHeader.GetBuffer(bsHeader.GetLength()); + + FPDF_BSTR response; + FPDF_BStr_Init(&response); + m_pInfo->FFI_PostRequestURL(m_pInfo, URL, data, contentType, encode, header, + &response); + + CFX_WideString wsRet = CFX_WideString::FromUTF16LE( + (FPDF_WIDESTRING)response.str, response.len / sizeof(FPDF_WIDESTRING)); + FPDF_BStr_Clear(&response); + + return wsRet; +} + +FPDF_BOOL CPDFSDK_FormFillEnvironment::PutRequestURL(const FX_WCHAR* wsURL, + const FX_WCHAR* wsData, + const FX_WCHAR* wsEncode) { + if (!m_pInfo || !m_pInfo->FFI_PutRequestURL) + return FALSE; + + CFX_ByteString bsURL = CFX_WideString(wsURL).UTF16LE_Encode(); + FPDF_WIDESTRING URL = (FPDF_WIDESTRING)bsURL.GetBuffer(bsURL.GetLength()); + + CFX_ByteString bsData = CFX_WideString(wsData).UTF16LE_Encode(); + FPDF_WIDESTRING data = (FPDF_WIDESTRING)bsData.GetBuffer(bsData.GetLength()); + + CFX_ByteString bsEncode = CFX_WideString(wsEncode).UTF16LE_Encode(); + FPDF_WIDESTRING encode = + (FPDF_WIDESTRING)bsEncode.GetBuffer(bsEncode.GetLength()); + + return m_pInfo->FFI_PutRequestURL(m_pInfo, URL, data, encode); +} + +CFX_WideString CPDFSDK_FormFillEnvironment::GetLanguage() { + if (!m_pInfo || !m_pInfo->FFI_GetLanguage) + return L""; + + int nRequiredLen = m_pInfo->FFI_GetLanguage(m_pInfo, nullptr, 0); + if (nRequiredLen <= 0) + return L""; + + char* pbuff = new char[nRequiredLen]; + memset(pbuff, 0, nRequiredLen); + int nActualLen = m_pInfo->FFI_GetLanguage(m_pInfo, pbuff, nRequiredLen); + if (nActualLen <= 0 || nActualLen > nRequiredLen) { + delete[] pbuff; + return L""; + } + CFX_ByteString bsRet = CFX_ByteString(pbuff, nActualLen); + CFX_WideString wsRet = CFX_WideString::FromUTF16LE( + (FPDF_WIDESTRING)bsRet.GetBuffer(bsRet.GetLength()), + bsRet.GetLength() / sizeof(FPDF_WIDESTRING)); + delete[] pbuff; + return wsRet; +} + +void CPDFSDK_FormFillEnvironment::PageEvent(int iPageCount, + uint32_t dwEventType) const { + if (m_pInfo && m_pInfo->FFI_PageEvent) + m_pInfo->FFI_PageEvent(m_pInfo, iPageCount, dwEventType); +} +#endif // PDF_ENABLE_XFA |