| // 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/fpdfxfa/cpdfxfa_context.h" |
| |
| #include <utility> |
| |
| #include "core/fpdfapi/parser/cpdf_document.h" |
| #include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
| #include "fpdfsdk/cpdfsdk_interform.h" |
| #include "fpdfsdk/cpdfsdk_pageview.h" |
| #include "fpdfsdk/fpdfxfa/cpdfxfa_page.h" |
| #include "fpdfsdk/fpdfxfa/cxfa_fwladaptertimermgr.h" |
| #include "fpdfsdk/fsdk_define.h" |
| #include "fpdfsdk/javascript/cjs_runtime.h" |
| #include "fpdfsdk/javascript/ijs_runtime.h" |
| #include "public/fpdf_formfill.h" |
| #include "third_party/base/ptr_util.h" |
| #include "xfa/fxfa/cxfa_eventparam.h" |
| #include "xfa/fxfa/xfa_ffapp.h" |
| #include "xfa/fxfa/xfa_ffdoc.h" |
| #include "xfa/fxfa/xfa_ffdocview.h" |
| #include "xfa/fxfa/xfa_ffpageview.h" |
| #include "xfa/fxfa/xfa_ffwidgethandler.h" |
| #include "xfa/fxfa/xfa_fontmgr.h" |
| |
| #ifndef _WIN32 |
| extern void SetLastError(int err); |
| extern int GetLastError(); |
| #endif |
| |
| CPDFXFA_Context::CPDFXFA_Context(std::unique_ptr<CPDF_Document> pPDFDoc) |
| : m_iDocType(DOCTYPE_PDF), |
| m_pPDFDoc(std::move(pPDFDoc)), |
| m_pFormFillEnv(nullptr), |
| m_pXFADocView(nullptr), |
| m_nLoadStatus(FXFA_LOADSTATUS_PRELOAD), |
| m_nPageCount(0), |
| m_DocEnv(this) { |
| m_pXFAApp = pdfium::MakeUnique<CXFA_FFApp>(this); |
| m_pXFAApp->SetDefaultFontMgr(pdfium::MakeUnique<CXFA_DefFontMgr>()); |
| } |
| |
| CPDFXFA_Context::~CPDFXFA_Context() { |
| m_nLoadStatus = FXFA_LOADSTATUS_CLOSING; |
| |
| // Must happen before we remove the form fill environment. |
| CloseXFADoc(); |
| |
| if (m_pFormFillEnv) { |
| m_pFormFillEnv->ClearAllFocusedAnnots(); |
| // Once we're deleted the FormFillEnvironment will point at a bad underlying |
| // doc so we need to reset it ... |
| m_pFormFillEnv->ResetXFADocument(); |
| m_pFormFillEnv = nullptr; |
| } |
| |
| m_nLoadStatus = FXFA_LOADSTATUS_CLOSED; |
| } |
| |
| void CPDFXFA_Context::CloseXFADoc() { |
| if (!m_pXFADoc) |
| return; |
| m_pXFADoc->CloseDoc(); |
| m_pXFADoc.reset(); |
| m_pXFADocView = nullptr; |
| } |
| |
| void CPDFXFA_Context::SetFormFillEnv( |
| CPDFSDK_FormFillEnvironment* pFormFillEnv) { |
| // The layout data can have pointers back into the script context. That |
| // context will be different if the form fill environment closes, so, force |
| // the layout data to clear. |
| if (m_pXFADoc && m_pXFADoc->GetXFADoc()) |
| m_pXFADoc->GetXFADoc()->ClearLayoutData(); |
| |
| m_pFormFillEnv = pFormFillEnv; |
| } |
| |
| bool CPDFXFA_Context::LoadXFADoc() { |
| m_nLoadStatus = FXFA_LOADSTATUS_LOADING; |
| |
| if (!m_pPDFDoc) |
| return false; |
| |
| m_XFAPageList.RemoveAll(); |
| |
| CXFA_FFApp* pApp = GetXFAApp(); |
| if (!pApp) |
| return false; |
| |
| m_pXFADoc.reset(pApp->CreateDoc(&m_DocEnv, m_pPDFDoc.get())); |
| if (!m_pXFADoc) { |
| SetLastError(FPDF_ERR_XFALOAD); |
| return false; |
| } |
| |
| CXFA_FFDocHandler* pDocHandler = pApp->GetDocHandler(); |
| if (!pDocHandler) { |
| SetLastError(FPDF_ERR_XFALOAD); |
| return false; |
| } |
| |
| m_pXFADoc->StartLoad(); |
| int iStatus = m_pXFADoc->DoLoad(nullptr); |
| if (iStatus != XFA_PARSESTATUS_Done) { |
| CloseXFADoc(); |
| SetLastError(FPDF_ERR_XFALOAD); |
| return false; |
| } |
| m_pXFADoc->StopLoad(); |
| m_pXFADoc->GetXFADoc()->InitScriptContext(GetJSERuntime()); |
| |
| if (m_pXFADoc->GetDocType() == XFA_DOCTYPE_Dynamic) |
| m_iDocType = DOCTYPE_DYNAMIC_XFA; |
| else |
| m_iDocType = DOCTYPE_STATIC_XFA; |
| |
| m_pXFADocView = m_pXFADoc->CreateDocView(XFA_DOCVIEW_View); |
| if (m_pXFADocView->StartLayout() < 0) { |
| CloseXFADoc(); |
| SetLastError(FPDF_ERR_XFALAYOUT); |
| return false; |
| } |
| |
| m_pXFADocView->DoLayout(nullptr); |
| m_pXFADocView->StopLayout(); |
| m_nLoadStatus = FXFA_LOADSTATUS_LOADED; |
| |
| return true; |
| } |
| |
| int CPDFXFA_Context::GetPageCount() const { |
| if (!m_pPDFDoc && !m_pXFADoc) |
| return 0; |
| |
| switch (m_iDocType) { |
| case DOCTYPE_PDF: |
| case DOCTYPE_STATIC_XFA: |
| if (m_pPDFDoc) |
| return m_pPDFDoc->GetPageCount(); |
| case DOCTYPE_DYNAMIC_XFA: |
| if (m_pXFADoc) |
| return m_pXFADocView->CountPageViews(); |
| default: |
| return 0; |
| } |
| } |
| |
| CPDFXFA_Page* CPDFXFA_Context::GetXFAPage(int page_index) { |
| if (page_index < 0) |
| return nullptr; |
| |
| CPDFXFA_Page* pPage = nullptr; |
| int nCount = m_XFAPageList.GetSize(); |
| if (nCount > 0 && page_index < nCount) { |
| pPage = m_XFAPageList.GetAt(page_index); |
| if (pPage) |
| pPage->Retain(); |
| } else { |
| m_nPageCount = GetPageCount(); |
| m_XFAPageList.SetSize(m_nPageCount); |
| } |
| if (pPage) |
| return pPage; |
| |
| pPage = new CPDFXFA_Page(this, page_index); |
| if (!pPage->LoadPage()) { |
| pPage->Release(); |
| return nullptr; |
| } |
| m_XFAPageList.SetAt(page_index, pPage); |
| return pPage; |
| } |
| |
| CPDFXFA_Page* CPDFXFA_Context::GetXFAPage(CXFA_FFPageView* pPage) const { |
| if (!pPage) |
| return nullptr; |
| |
| if (!m_pXFADoc) |
| return nullptr; |
| |
| if (m_iDocType != DOCTYPE_DYNAMIC_XFA) |
| return nullptr; |
| |
| int nSize = m_XFAPageList.GetSize(); |
| for (int i = 0; i < nSize; i++) { |
| CPDFXFA_Page* pTempPage = m_XFAPageList.GetAt(i); |
| if (!pTempPage) |
| continue; |
| if (pTempPage->GetXFAPageView() && pTempPage->GetXFAPageView() == pPage) |
| return pTempPage; |
| } |
| |
| return nullptr; |
| } |
| |
| void CPDFXFA_Context::DeletePage(int page_index) { |
| // Delete from the document first because, if GetPage was never called for |
| // this |page_index| then |m_XFAPageList| may have size < |page_index| even |
| // if it's a valid page in the document. |
| if (m_pPDFDoc) |
| m_pPDFDoc->DeletePage(page_index); |
| |
| if (page_index < 0 || page_index >= m_XFAPageList.GetSize()) |
| return; |
| |
| if (CPDFXFA_Page* pPage = m_XFAPageList.GetAt(page_index)) |
| pPage->Release(); |
| } |
| |
| void CPDFXFA_Context::RemovePage(CPDFXFA_Page* page) { |
| m_XFAPageList.SetAt(page->GetPageIndex(), nullptr); |
| } |
| |
| void CPDFXFA_Context::ClearChangeMark() { |
| if (m_pFormFillEnv) |
| m_pFormFillEnv->ClearChangeMark(); |
| } |
| |
| v8::Isolate* CPDFXFA_Context::GetJSERuntime() const { |
| if (!m_pFormFillEnv) |
| return nullptr; |
| |
| // XFA requires V8, if we have V8 then we have a CJS_Runtime and not the stub. |
| CJS_Runtime* runtime = |
| static_cast<CJS_Runtime*>(m_pFormFillEnv->GetJSRuntime()); |
| return runtime->GetIsolate(); |
| } |
| |
| void CPDFXFA_Context::GetAppName(CFX_WideString& wsName) { |
| if (m_pFormFillEnv) |
| wsName = m_pFormFillEnv->FFI_GetAppName(); |
| } |
| |
| void CPDFXFA_Context::GetLanguage(CFX_WideString& wsLanguage) { |
| if (m_pFormFillEnv) |
| wsLanguage = m_pFormFillEnv->GetLanguage(); |
| } |
| |
| void CPDFXFA_Context::GetPlatform(CFX_WideString& wsPlatform) { |
| if (m_pFormFillEnv) |
| wsPlatform = m_pFormFillEnv->GetPlatform(); |
| } |
| |
| void CPDFXFA_Context::Beep(uint32_t dwType) { |
| if (m_pFormFillEnv) |
| m_pFormFillEnv->JS_appBeep(dwType); |
| } |
| |
| int32_t CPDFXFA_Context::MsgBox(const CFX_WideString& wsMessage, |
| const CFX_WideString& wsTitle, |
| uint32_t dwIconType, |
| uint32_t dwButtonType) { |
| if (!m_pFormFillEnv) |
| return -1; |
| |
| uint32_t iconType = 0; |
| int iButtonType = 0; |
| switch (dwIconType) { |
| case XFA_MBICON_Error: |
| iconType |= 0; |
| break; |
| case XFA_MBICON_Warning: |
| iconType |= 1; |
| break; |
| case XFA_MBICON_Question: |
| iconType |= 2; |
| break; |
| case XFA_MBICON_Status: |
| iconType |= 3; |
| break; |
| } |
| switch (dwButtonType) { |
| case XFA_MB_OK: |
| iButtonType |= 0; |
| break; |
| case XFA_MB_OKCancel: |
| iButtonType |= 1; |
| break; |
| case XFA_MB_YesNo: |
| iButtonType |= 2; |
| break; |
| case XFA_MB_YesNoCancel: |
| iButtonType |= 3; |
| break; |
| } |
| int32_t iRet = m_pFormFillEnv->JS_appAlert(wsMessage.c_str(), wsTitle.c_str(), |
| iButtonType, iconType); |
| switch (iRet) { |
| case 1: |
| return XFA_IDOK; |
| case 2: |
| return XFA_IDCancel; |
| case 3: |
| return XFA_IDNo; |
| case 4: |
| return XFA_IDYes; |
| } |
| return XFA_IDYes; |
| } |
| |
| CFX_WideString CPDFXFA_Context::Response(const CFX_WideString& wsQuestion, |
| const CFX_WideString& wsTitle, |
| const CFX_WideString& wsDefaultAnswer, |
| bool bMark) { |
| CFX_WideString wsAnswer; |
| if (!m_pFormFillEnv) |
| return wsAnswer; |
| |
| int nLength = 2048; |
| char* pBuff = new char[nLength]; |
| nLength = m_pFormFillEnv->JS_appResponse(wsQuestion.c_str(), wsTitle.c_str(), |
| wsDefaultAnswer.c_str(), nullptr, |
| bMark, pBuff, nLength); |
| if (nLength > 0) { |
| nLength = nLength > 2046 ? 2046 : nLength; |
| pBuff[nLength] = 0; |
| pBuff[nLength + 1] = 0; |
| wsAnswer = CFX_WideString::FromUTF16LE( |
| reinterpret_cast<const unsigned short*>(pBuff), |
| nLength / sizeof(unsigned short)); |
| } |
| delete[] pBuff; |
| return wsAnswer; |
| } |
| |
| IFX_SeekableReadStream* CPDFXFA_Context::DownloadURL( |
| const CFX_WideString& wsURL) { |
| return m_pFormFillEnv ? m_pFormFillEnv->DownloadFromURL(wsURL.c_str()) |
| : nullptr; |
| } |
| |
| bool CPDFXFA_Context::PostRequestURL(const CFX_WideString& wsURL, |
| const CFX_WideString& wsData, |
| const CFX_WideString& wsContentType, |
| const CFX_WideString& wsEncode, |
| const CFX_WideString& wsHeader, |
| CFX_WideString& wsResponse) { |
| if (!m_pFormFillEnv) |
| return false; |
| |
| wsResponse = m_pFormFillEnv->PostRequestURL( |
| wsURL.c_str(), wsData.c_str(), wsContentType.c_str(), wsEncode.c_str(), |
| wsHeader.c_str()); |
| return true; |
| } |
| |
| bool CPDFXFA_Context::PutRequestURL(const CFX_WideString& wsURL, |
| const CFX_WideString& wsData, |
| const CFX_WideString& wsEncode) { |
| return m_pFormFillEnv && |
| m_pFormFillEnv->PutRequestURL(wsURL.c_str(), wsData.c_str(), |
| wsEncode.c_str()); |
| } |
| |
| void CPDFXFA_Context::LoadString(int32_t iStringID, CFX_WideString& wsString) { |
| switch (iStringID) { |
| case XFA_IDS_ValidateFailed: |
| wsString = L"%s validation failed"; |
| return; |
| case XFA_IDS_CalcOverride: |
| wsString = L"Calculate Override"; |
| return; |
| case XFA_IDS_ModifyField: |
| wsString = L"Are you sure you want to modify this field?"; |
| return; |
| case XFA_IDS_NotModifyField: |
| wsString = L"You are not allowed to modify this field."; |
| return; |
| case XFA_IDS_AppName: |
| wsString = L"pdfium"; |
| return; |
| case XFA_IDS_Unable_TO_SET: |
| wsString = L"Unable to set "; |
| return; |
| case XFA_IDS_INVAlID_PROP_SET: |
| wsString = L"Invalid property set operation."; |
| return; |
| case XFA_IDS_NOT_DEFAUL_VALUE: |
| wsString = L" doesn't have a default property."; |
| return; |
| case XFA_IDS_UNABLE_SET_LANGUAGE: |
| wsString = L"Unable to set language value."; |
| return; |
| case XFA_IDS_UNABLE_SET_NUMPAGES: |
| wsString = L"Unable to set numPages value."; |
| return; |
| case XFA_IDS_UNABLE_SET_PLATFORM: |
| wsString = L"Unable to set platform value."; |
| return; |
| case XFA_IDS_UNABLE_SET_VARIATION: |
| wsString = L"Unable to set variation value."; |
| return; |
| case XFA_IDS_UNABLE_SET_VERSION: |
| wsString = L"Unable to set version value."; |
| return; |
| case XFA_IDS_UNABLE_SET_READY: |
| wsString = L"Unable to set ready value."; |
| return; |
| case XFA_IDS_COMPILER_ERROR: |
| wsString = L"Compiler error."; |
| return; |
| case XFA_IDS_DIVIDE_ZERO: |
| wsString = L"Divide by zero."; |
| return; |
| case XFA_IDS_ACCESS_PROPERTY_IN_NOT_OBJECT: |
| wsString = |
| L"An attempt was made to reference property '%s' of a non-object in " |
| L"SOM expression %s."; |
| return; |
| case XFA_IDS_INDEX_OUT_OF_BOUNDS: |
| wsString = L"Index value is out of bounds."; |
| return; |
| case XFA_IDS_INCORRECT_NUMBER_OF_METHOD: |
| wsString = L"Incorrect number of parameters calling method '%s'."; |
| return; |
| case XFA_IDS_ARGUMENT_MISMATCH: |
| wsString = L"Argument mismatch in property or function argument."; |
| return; |
| case XFA_IDS_NOT_HAVE_PROPERTY: |
| wsString = L"'%s' doesn't have property '%s'."; |
| return; |
| case XFA_IDS_VIOLATE_BOUNDARY: |
| wsString = |
| L"The element [%s] has violated its allowable number of occurrences."; |
| return; |
| case XFA_IDS_SERVER_DENY: |
| wsString = L"Server does not permit."; |
| return; |
| case XFA_IDS_ValidateLimit: |
| wsString = |
| L"Message limit exceeded. Remaining %d validation errors not " |
| L"reported."; |
| return; |
| case XFA_IDS_ValidateNullWarning: |
| wsString = |
| L"%s cannot be blank. To ignore validations for %s, click Ignore."; |
| return; |
| case XFA_IDS_ValidateNullError: |
| wsString = L"%s cannot be blank."; |
| return; |
| case XFA_IDS_ValidateWarning: |
| wsString = |
| L"The value you entered for %s is invalid. To ignore validations for " |
| L"%s, click Ignore."; |
| return; |
| case XFA_IDS_ValidateError: |
| wsString = L"The value you entered for %s is invalid."; |
| return; |
| } |
| } |
| |
| IFWL_AdapterTimerMgr* CPDFXFA_Context::GetTimerMgr() { |
| CXFA_FWLAdapterTimerMgr* pAdapter = nullptr; |
| if (m_pFormFillEnv) |
| pAdapter = new CXFA_FWLAdapterTimerMgr(m_pFormFillEnv); |
| return pAdapter; |
| } |