// 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 "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfdoc/cpdf_docjsactions.h" #include "fpdfsdk/cpdfsdk_annothandlermgr.h" #include "fpdfsdk/cpdfsdk_interform.h" #include "fpdfsdk/cpdfsdk_pageview.h" #include "fpdfsdk/cpdfsdk_widget.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" 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_pUnderlyingDoc(pDoc), m_pSysHandler(new CFX_SystemHandler(this)), m_bChangeMask(false), m_bBeingDestroyed(false) {} CPDFSDK_FormFillEnvironment::~CPDFSDK_FormFillEnvironment() { m_bBeingDestroyed = true; ClearAllFocusedAnnots(); // |m_PageMap| will try to access |m_pInterForm| when it cleans itself up. // Make sure it is deleted before |m_pInterForm|. m_PageMap.clear(); // |m_pAnnotHandlerMgr| will try to access |m_pFormFiller| when it cleans // itself up. Make sure it is deleted before |m_pFormFiller|. m_pAnnotHandlerMgr.reset(); // Must destroy the |m_pFormFiller| before the environment (|this|) // because any created form widgets hold a pointer to the environment. // Those widgets may call things like KillTimer() as they are shutdown. m_pFormFiller.reset(); 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, const FX_RECT& rect) { if (m_pInfo && m_pInfo->FFI_Invalidate) { m_pInfo->FFI_Invalidate(m_pInfo, page, rect.left, rect.top, rect.right, rect.bottom); } } void CPDFSDK_FormFillEnvironment::OutputSelectedRect( FPDF_PAGE page, const CFX_FloatRect& rect) { if (m_pInfo && m_pInfo->FFI_OutputSelectedRect) { m_pInfo->FFI_OutputSelectedRect(m_pInfo, page, rect.left, rect.top, rect.right, rect.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); } bool CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(uint32_t nFlag) const { return (nFlag & FWL_EVENTFLAG_ShiftKey) != 0; } bool CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(uint32_t nFlag) const { return (nFlag & FWL_EVENTFLAG_ControlKey) != 0; } 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, 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); } bool CPDFSDK_FormFillEnvironment::PopupMenu(FPDF_PAGE page, FPDF_WIDGET hWidget, int menuFlag, CFX_PointF pt) { return m_pInfo && m_pInfo->FFI_PopupMenu && 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; } CFX_RetainPtr<IFX_SeekableReadStream> 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 MakeSeekableStream(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 void CPDFSDK_FormFillEnvironment::ClearAllFocusedAnnots() { for (auto& it : m_PageMap) { if (it.second->IsValidSDKAnnot(GetFocusAnnot())) KillFocusAnnot(0); } } CPDFSDK_PageView* CPDFSDK_FormFillEnvironment::GetPageView( UnderlyingPageType* pUnderlyingPage, bool renew) { auto it = m_PageMap.find(pUnderlyingPage); if (it != m_PageMap.end()) return it->second.get(); if (!renew) return nullptr; CPDFSDK_PageView* pPageView = new CPDFSDK_PageView(this, pUnderlyingPage); m_PageMap[pUnderlyingPage].reset(pPageView); // Delay to load all the annotations, to avoid endless loop. pPageView->LoadFXAnnots(); return pPageView; } CPDFSDK_PageView* CPDFSDK_FormFillEnvironment::GetCurrentView() { UnderlyingPageType* pPage = UnderlyingFromFPDFPage(GetCurrentPage(m_pUnderlyingDoc)); return pPage ? GetPageView(pPage, true) : nullptr; } CPDFSDK_PageView* CPDFSDK_FormFillEnvironment::GetPageView(int nIndex) { UnderlyingPageType* pTempPage = UnderlyingFromFPDFPage(GetPage(m_pUnderlyingDoc, nIndex)); if (!pTempPage) return nullptr; auto it = m_PageMap.find(pTempPage); return it != m_PageMap.end() ? it->second.get() : nullptr; } void CPDFSDK_FormFillEnvironment::ProcJavascriptFun() { CPDF_Document* pPDFDoc = GetPDFDocument(); CPDF_DocJSActions docJS(pPDFDoc); int iCount = docJS.CountJSActions(); if (iCount < 1) return; for (int i = 0; i < iCount; i++) { CFX_ByteString csJSName; CPDF_Action jsAction = docJS.GetJSAction(i, csJSName); if (GetActionHander()) { GetActionHander()->DoAction_JavaScript( jsAction, CFX_WideString::FromLocal(csJSName.AsStringC()), this); } } } bool CPDFSDK_FormFillEnvironment::ProcOpenAction() { if (!m_pUnderlyingDoc) return false; CPDF_Dictionary* pRoot = GetPDFDocument()->GetRoot(); if (!pRoot) return false; CPDF_Object* pOpenAction = pRoot->GetDictFor("OpenAction"); if (!pOpenAction) pOpenAction = pRoot->GetArrayFor("OpenAction"); if (!pOpenAction) return false; if (pOpenAction->IsArray()) return true; if (CPDF_Dictionary* pDict = pOpenAction->AsDictionary()) { CPDF_Action action(pDict); if (GetActionHander()) GetActionHander()->DoAction_DocOpen(action, this); return true; } return false; } void CPDFSDK_FormFillEnvironment::RemovePageView( UnderlyingPageType* pUnderlyingPage) { auto it = m_PageMap.find(pUnderlyingPage); if (it == m_PageMap.end()) return; CPDFSDK_PageView* pPageView = it->second.get(); if (pPageView->IsLocked() || pPageView->IsBeingDestroyed()) return; // Mark the page view so we do not come into |RemovePageView| a second // time while we're in the process of removing. pPageView->SetBeingDestroyed(); // This must happen before we remove |pPageView| from the map because // |KillFocusAnnot| can call into the |GetPage| method which will // look for this page view in the map, if it doesn't find it a new one will // be created. We then have two page views pointing to the same page and // bad things happen. if (pPageView->IsValidSDKAnnot(GetFocusAnnot())) KillFocusAnnot(0); // Remove the page from the map to make sure we don't accidentally attempt // to use the |pPageView| while we're cleaning it up. m_PageMap.erase(it); } UnderlyingPageType* CPDFSDK_FormFillEnvironment::GetPage(int nIndex) { return UnderlyingFromFPDFPage(GetPage(m_pUnderlyingDoc, nIndex)); } CPDFSDK_InterForm* CPDFSDK_FormFillEnvironment::GetInterForm() { if (!m_pInterForm) m_pInterForm = pdfium::MakeUnique<CPDFSDK_InterForm>(this); return m_pInterForm.get(); } void CPDFSDK_FormFillEnvironment::UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot) { for (const auto& it : m_PageMap) { CPDFSDK_PageView* pPageView = it.second.get(); if (pPageView != pSender) pPageView->UpdateView(pAnnot); } } bool CPDFSDK_FormFillEnvironment::SetFocusAnnot( CPDFSDK_Annot::ObservedPtr* pAnnot) { if (m_bBeingDestroyed) return false; if (m_pFocusAnnot == *pAnnot) return true; if (m_pFocusAnnot && !KillFocusAnnot(0)) return false; if (!*pAnnot) return false; #ifdef PDF_ENABLE_XFA CPDFSDK_Annot::ObservedPtr pLastFocusAnnot(m_pFocusAnnot.Get()); #endif // PDF_ENABLE_XFA CPDFSDK_PageView* pPageView = (*pAnnot)->GetPageView(); if (pPageView && pPageView->IsValid()) { CPDFSDK_AnnotHandlerMgr* pAnnotHandler = GetAnnotHandlerMgr(); if (!m_pFocusAnnot) { #ifdef PDF_ENABLE_XFA if (!pAnnotHandler->Annot_OnChangeFocus(pAnnot, &pLastFocusAnnot)) return false; #endif // PDF_ENABLE_XFA if (!pAnnotHandler->Annot_OnSetFocus(pAnnot, 0)) return false; if (!m_pFocusAnnot) { m_pFocusAnnot.Reset(pAnnot->Get()); return true; } } } return false; } bool CPDFSDK_FormFillEnvironment::KillFocusAnnot(uint32_t nFlag) { if (m_pFocusAnnot) { CPDFSDK_AnnotHandlerMgr* pAnnotHandler = GetAnnotHandlerMgr(); CPDFSDK_Annot::ObservedPtr pFocusAnnot(m_pFocusAnnot.Get()); m_pFocusAnnot.Reset(); #ifdef PDF_ENABLE_XFA CPDFSDK_Annot::ObservedPtr pNull; if (!pAnnotHandler->Annot_OnChangeFocus(&pNull, &pFocusAnnot)) return false; #endif // PDF_ENABLE_XFA if (pAnnotHandler->Annot_OnKillFocus(&pFocusAnnot, nFlag)) { if (pFocusAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::WIDGET) { CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pFocusAnnot.Get()); int nFieldType = pWidget->GetFieldType(); if (FIELDTYPE_TEXTFIELD == nFieldType || FIELDTYPE_COMBOBOX == nFieldType) { OnSetFieldInputFocus(nullptr, 0, false); } } if (!m_pFocusAnnot) return true; } else { m_pFocusAnnot.Reset(pFocusAnnot.Get()); } } return false; } bool CPDFSDK_FormFillEnvironment::GetPermissions(int nFlag) { return !!(GetPDFDocument()->GetUserPermissions() & nFlag); }