// 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/include/fsdk_mgr.h" #include <algorithm> #include <memory> #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" #include "core/fpdfdoc/include/cpdf_docjsactions.h" #include "core/fpdfdoc/include/cpdf_interform.h" #include "core/fxcrt/include/cfx_retain_ptr.h" #include "fpdfsdk/formfiller/cffl_formfiller.h" #include "fpdfsdk/include/fsdk_define.h" #include "fpdfsdk/javascript/ijs_runtime.h" #include "public/fpdf_ext.h" #include "third_party/base/stl_util.h" #ifdef PDF_ENABLE_XFA #include "fpdfsdk/fpdfxfa/include/fpdfxfa_app.h" #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" #include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h" #include "fpdfsdk/fpdfxfa/include/fpdfxfa_util.h" #include "xfa/fxfa/include/xfa_ffdocview.h" #include "xfa/fxfa/include/xfa_ffpageview.h" #include "xfa/fxfa/include/xfa_ffwidgethandler.h" #include "xfa/fxfa/include/xfa_rendercontext.h" #include "xfa/fxgraphics/include/cfx_graphics.h" #endif // PDF_ENABLE_XFA #if _FX_OS_ == _FX_ANDROID_ #include "time.h" #else #include <ctime> #endif 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 CPDFDoc_Environment::CPDFDoc_Environment(UnderlyingDocumentType* pDoc, FPDF_FORMFILLINFO* pFFinfo) : m_pInfo(pFFinfo), m_pSDKDoc(nullptr), m_pUnderlyingDoc(pDoc) { m_pSysHandler.reset(new CFX_SystemHandler(this)); } CPDFDoc_Environment::~CPDFDoc_Environment() { #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 CPDFDoc_Environment::JS_appAlert(const FX_WCHAR* Msg, const FX_WCHAR* Title, FX_UINT Type, FX_UINT 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 CPDFDoc_Environment::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 CPDFDoc_Environment::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 CPDFDoc_Environment::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 CPDFDoc_Environment::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 CPDFDoc_Environment::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 CPDFDoc_Environment::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 CPDFDoc_Environment::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 CPDFDoc_Environment::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* CPDFDoc_Environment::GetJSRuntime() { if (!IsJSInitiated()) return nullptr; if (!m_pJSRuntime) m_pJSRuntime.reset(IJS_Runtime::Create(this)); return m_pJSRuntime.get(); } CPDFSDK_AnnotHandlerMgr* CPDFDoc_Environment::GetAnnotHandlerMgr() { if (!m_pAnnotHandlerMgr) m_pAnnotHandlerMgr.reset(new CPDFSDK_AnnotHandlerMgr(this)); return m_pAnnotHandlerMgr.get(); } CPDFSDK_ActionHandler* CPDFDoc_Environment::GetActionHander() { if (!m_pActionHandler) m_pActionHandler.reset(new CPDFSDK_ActionHandler()); return m_pActionHandler.get(); } CFFL_IFormFiller* CPDFDoc_Environment::GetIFormFiller() { if (!m_pIFormFiller) m_pIFormFiller.reset(new CFFL_IFormFiller(this)); return m_pIFormFiller.get(); } // static CPDFSDK_Document* CPDFSDK_Document::FromFPDFFormHandle( FPDF_FORMHANDLE hHandle) { CPDFDoc_Environment* pEnv = static_cast<CPDFDoc_Environment*>(hHandle); return pEnv ? pEnv->GetSDKDocument() : nullptr; } CPDFSDK_Document::CPDFSDK_Document(UnderlyingDocumentType* pDoc, CPDFDoc_Environment* pEnv) : m_pDoc(pDoc), m_pFocusAnnot(nullptr), m_pEnv(pEnv), m_bChangeMask(FALSE), m_bBeingDestroyed(FALSE) {} CPDFSDK_Document::~CPDFSDK_Document() { m_bBeingDestroyed = TRUE; for (auto& it : m_pageMap) it.second->KillFocusAnnotIfNeeded(); for (auto& it : m_pageMap) delete it.second; m_pageMap.clear(); } CPDFSDK_PageView* CPDFSDK_Document::GetPageView( UnderlyingPageType* pUnderlyingPage, bool ReNew) { auto it = m_pageMap.find(pUnderlyingPage); if (it != m_pageMap.end()) return it->second; if (!ReNew) return nullptr; CPDFSDK_PageView* pPageView = new CPDFSDK_PageView(this, pUnderlyingPage); m_pageMap[pUnderlyingPage] = pPageView; // Delay to load all the annotations, to avoid endless loop. pPageView->LoadFXAnnots(); return pPageView; } CPDFSDK_PageView* CPDFSDK_Document::GetCurrentView() { UnderlyingPageType* pPage = UnderlyingFromFPDFPage(m_pEnv->FFI_GetCurrentPage(m_pDoc)); return pPage ? GetPageView(pPage, true) : nullptr; } CPDFSDK_PageView* CPDFSDK_Document::GetPageView(int nIndex) { UnderlyingPageType* pTempPage = UnderlyingFromFPDFPage(m_pEnv->FFI_GetPage(m_pDoc, nIndex)); if (!pTempPage) return nullptr; auto it = m_pageMap.find(pTempPage); return it->second; } void CPDFSDK_Document::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 (m_pEnv->GetActionHander()) m_pEnv->GetActionHander()->DoAction_JavaScript( jsAction, CFX_WideString::FromLocal(csJSName.AsStringC()), this); } } FX_BOOL CPDFSDK_Document::ProcOpenAction() { if (!m_pDoc) return FALSE; CPDF_Dictionary* pRoot = GetPDFDocument()->GetRoot(); if (!pRoot) return FALSE; CPDF_Object* pOpenAction = pRoot->GetDictBy("OpenAction"); if (!pOpenAction) pOpenAction = pRoot->GetArrayBy("OpenAction"); if (!pOpenAction) return FALSE; if (pOpenAction->IsArray()) return TRUE; if (CPDF_Dictionary* pDict = pOpenAction->AsDictionary()) { CPDF_Action action(pDict); if (m_pEnv->GetActionHander()) m_pEnv->GetActionHander()->DoAction_DocOpen(action, this); return TRUE; } return FALSE; } CPDF_OCContext* CPDFSDK_Document::GetOCContext() { if (!m_pOccontent) { m_pOccontent.reset( new CPDF_OCContext(GetPDFDocument(), CPDF_OCContext::View)); } return m_pOccontent.get(); } void CPDFSDK_Document::RemovePageView(UnderlyingPageType* pUnderlyingPage) { auto it = m_pageMap.find(pUnderlyingPage); if (it == m_pageMap.end()) return; CPDFSDK_PageView* pPageView = it->second; if (pPageView->IsLocked()) return; // 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); pPageView->KillFocusAnnotIfNeeded(); delete pPageView; } UnderlyingPageType* CPDFSDK_Document::GetPage(int nIndex) { return UnderlyingFromFPDFPage(m_pEnv->FFI_GetPage(m_pDoc, nIndex)); } CPDFSDK_InterForm* CPDFSDK_Document::GetInterForm() { if (!m_pInterForm) m_pInterForm.reset(new CPDFSDK_InterForm(this)); return m_pInterForm.get(); } void CPDFSDK_Document::UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot) { for (const auto& it : m_pageMap) { CPDFSDK_PageView* pPageView = it.second; if (pPageView != pSender) { pPageView->UpdateView(pAnnot); } } } CPDFSDK_Annot* CPDFSDK_Document::GetFocusAnnot() { return m_pFocusAnnot; } FX_BOOL CPDFSDK_Document::SetFocusAnnot(CPDFSDK_Annot* pAnnot, FX_UINT nFlag) { if (m_bBeingDestroyed) return FALSE; if (m_pFocusAnnot == pAnnot) return TRUE; if (m_pFocusAnnot) { if (!KillFocusAnnot(nFlag)) return FALSE; } if (!pAnnot) return FALSE; #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* pLastFocusAnnot = m_pFocusAnnot; #endif // PDF_ENABLE_XFA CPDFSDK_PageView* pPageView = pAnnot->GetPageView(); if (pPageView && pPageView->IsValid()) { CPDFSDK_AnnotHandlerMgr* pAnnotHandler = m_pEnv->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, nFlag)) return FALSE; if (!m_pFocusAnnot) { m_pFocusAnnot = pAnnot; return TRUE; } } } return FALSE; } FX_BOOL CPDFSDK_Document::KillFocusAnnot(FX_UINT nFlag) { if (m_pFocusAnnot) { CPDFSDK_AnnotHandlerMgr* pAnnotHandler = m_pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pFocusAnnot = m_pFocusAnnot; m_pFocusAnnot = nullptr; #ifdef PDF_ENABLE_XFA if (!pAnnotHandler->Annot_OnChangeFocus(nullptr, pFocusAnnot)) return FALSE; #endif // PDF_ENABLE_XFA if (pAnnotHandler->Annot_OnKillFocus(pFocusAnnot, nFlag)) { if (pFocusAnnot->GetType() == "Widget") { CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pFocusAnnot; int nFieldType = pWidget->GetFieldType(); if (FIELDTYPE_TEXTFIELD == nFieldType || FIELDTYPE_COMBOBOX == nFieldType) { m_pEnv->FFI_OnSetFieldInputFocus(nullptr, nullptr, 0, FALSE); } } if (!m_pFocusAnnot) return TRUE; } else { m_pFocusAnnot = pFocusAnnot; } } return FALSE; } void CPDFSDK_Document::OnCloseDocument() { KillFocusAnnot(); } FX_BOOL CPDFSDK_Document::GetPermissions(int nFlag) { return GetPDFDocument()->GetUserPermissions() & nFlag; } IJS_Runtime* CPDFSDK_Document::GetJsRuntime() { return m_pEnv->GetJSRuntime(); } CFX_WideString CPDFSDK_Document::GetPath() { return m_pEnv->JS_docGetFilePath(); } CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc, UnderlyingPageType* page) : m_page(page), m_pSDKDoc(pSDKDoc), m_CaptureWidget(nullptr), #ifndef PDF_ENABLE_XFA m_bTakeOverPage(FALSE), #endif // PDF_ENABLE_XFA m_bEnterWidget(FALSE), m_bExitWidget(FALSE), m_bOnWidget(FALSE), m_bValid(FALSE), m_bLocked(FALSE) { CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm(); if (pInterForm) { CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); #ifdef PDF_ENABLE_XFA if (page->GetPDFPage()) pPDFInterForm->FixPageFields(page->GetPDFPage()); #else // PDF_ENABLE_XFA pPDFInterForm->FixPageFields(page); #endif // PDF_ENABLE_XFA } #ifndef PDF_ENABLE_XFA m_page->SetView(this); #endif // PDF_ENABLE_XFA } CPDFSDK_PageView::~CPDFSDK_PageView() { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) pAnnotHandlerMgr->ReleaseAnnot(pAnnot); m_fxAnnotArray.clear(); m_pAnnotList.reset(); #ifndef PDF_ENABLE_XFA m_page->SetView(nullptr); if (m_bTakeOverPage) { delete m_page; } #endif // PDF_ENABLE_XFA } void CPDFSDK_PageView::PageView_OnDraw(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device, #ifdef PDF_ENABLE_XFA CPDF_RenderOptions* pOptions, const FX_RECT& pClip) { #else CPDF_RenderOptions* pOptions) { #endif // PDF_ENABLE_XFA m_curMatrix = *pUser2Device; CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); #ifdef PDF_ENABLE_XFA CPDFXFA_Page* pPage = GetPDFXFAPage(); if (!pPage) return; if (pPage->GetDocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) { CFX_Graphics gs; gs.Create(pDevice); CFX_RectF rectClip; rectClip.Set(static_cast<FX_FLOAT>(pClip.left), static_cast<FX_FLOAT>(pClip.top), static_cast<FX_FLOAT>(pClip.Width()), static_cast<FX_FLOAT>(pClip.Height())); gs.SetClipRect(rectClip); std::unique_ptr<CXFA_RenderContext> pRenderContext(new CXFA_RenderContext); CXFA_RenderOptions renderOptions; renderOptions.m_bHighlight = TRUE; CXFA_FFPageView* xfaView = pPage->GetXFAPageView(); pRenderContext->StartRender(xfaView, &gs, *pUser2Device, renderOptions); pRenderContext->DoRender(); pRenderContext->StopRender(); CXFA_FFDocView* docView = xfaView->GetDocView(); if (!docView) return; CPDFSDK_Annot* annot = GetFocusAnnot(); if (!annot) return; // Render the focus widget docView->GetWidgetHandler()->RenderWidget(annot->GetXFAWidget(), &gs, pUser2Device, FALSE); return; } #endif // PDF_ENABLE_XFA // for pdf/static xfa. CPDFSDK_AnnotIterator annotIterator(this, true); while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); pAnnotHandlerMgr->Annot_OnDraw(this, pSDKAnnot, pDevice, pUser2Device, 0); } } const CPDF_Annot* CPDFSDK_PageView::GetPDFAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { for (const auto& pAnnot : m_pAnnotList->All()) { CFX_FloatRect annotRect; pAnnot->GetRect(annotRect); if (annotRect.Contains(pageX, pageY)) return pAnnot.get(); } return nullptr; } const CPDF_Annot* CPDFSDK_PageView::GetPDFWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { for (const auto& pAnnot : m_pAnnotList->All()) { if (pAnnot->GetSubType() == "Widget") { CFX_FloatRect annotRect; pAnnot->GetRect(annotRect); if (annotRect.Contains(pageX, pageY)) return pAnnot.get(); } } return nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::GetFXAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_AnnotIterator annotIterator(this, false); while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { CFX_FloatRect rc = pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot); if (rc.Contains(pageX, pageY)) return pSDKAnnot; } return nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::GetFXWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_AnnotIterator annotIterator(this, false); while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { bool bHitTest = pSDKAnnot->GetType() == "Widget"; #ifdef PDF_ENABLE_XFA bHitTest = bHitTest || pSDKAnnot->GetType() == FSDK_XFAWIDGET_TYPENAME; #endif // PDF_ENABLE_XFA if (bHitTest) { pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot); CFX_FloatPoint point(pageX, pageY); if (pAnnotMgr->Annot_OnHitTest(this, pSDKAnnot, point)) return pSDKAnnot; } } return nullptr; } void CPDFSDK_PageView::KillFocusAnnotIfNeeded() { // if there is a focused annot on the page, we should kill the focus first. if (CPDFSDK_Annot* focusedAnnot = m_pSDKDoc->GetFocusAnnot()) { if (pdfium::ContainsValue(m_fxAnnotArray, focusedAnnot)) KillFocusAnnot(); } } FX_BOOL CPDFSDK_PageView::Annot_HasAppearance(CPDF_Annot* pAnnot) { CPDF_Dictionary* pAnnotDic = pAnnot->GetAnnotDict(); if (pAnnotDic) return pAnnotDic->KeyExist("AS"); return FALSE; } CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Annot* pPDFAnnot) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this); if (!pSDKAnnot) return nullptr; m_fxAnnotArray.push_back(pSDKAnnot); pAnnotHandler->Annot_OnCreate(pSDKAnnot); return pSDKAnnot; } #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CXFA_FFWidget* pPDFAnnot) { if (!pPDFAnnot) return nullptr; CPDFSDK_Annot* pSDKAnnot = GetAnnotByXFAWidget(pPDFAnnot); if (pSDKAnnot) return pSDKAnnot; CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this); if (!pSDKAnnot) return nullptr; m_fxAnnotArray.push_back(pSDKAnnot); return pSDKAnnot; } #endif // PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Dictionary* pDict) { return pDict ? AddAnnot(pDict->GetStringBy("Subtype").c_str(), pDict) : nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(const FX_CHAR* lpSubType, CPDF_Dictionary* pDict) { return nullptr; } FX_BOOL CPDFSDK_PageView::DeleteAnnot(CPDFSDK_Annot* pAnnot) { #ifdef PDF_ENABLE_XFA if (!pAnnot) return FALSE; CPDFXFA_Page* pPage = pAnnot->GetPDFXFAPage(); if (!pPage || (pPage->GetDocument()->GetDocType() != DOCTYPE_STATIC_XFA && pPage->GetDocument()->GetDocType() != DOCTYPE_DYNAMIC_XFA)) return FALSE; if (GetFocusAnnot() == pAnnot) KillFocusAnnot(); CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); if (pAnnotHandler) pAnnotHandler->ReleaseAnnot(pAnnot); auto it = std::find(m_fxAnnotArray.begin(), m_fxAnnotArray.end(), pAnnot); if (it != m_fxAnnotArray.end()) m_fxAnnotArray.erase(it); if (m_CaptureWidget == pAnnot) m_CaptureWidget = nullptr; return TRUE; #else // PDF_ENABLE_XFA return FALSE; #endif // PDF_ENABLE_XFA } CPDF_Document* CPDFSDK_PageView::GetPDFDocument() { if (m_page) { #ifdef PDF_ENABLE_XFA return m_page->GetDocument()->GetPDFDoc(); #else // PDF_ENABLE_XFA return m_page->m_pDocument; #endif // PDF_ENABLE_XFA } return nullptr; } #ifdef PDF_ENABLE_XFA CPDF_Page* CPDFSDK_PageView::GetPDFPage() { if (m_page) { return m_page->GetPDFPage(); } return nullptr; } #endif // PDF_ENABLE_XFA size_t CPDFSDK_PageView::CountAnnots() const { return m_fxAnnotArray.size(); } CPDFSDK_Annot* CPDFSDK_PageView::GetAnnot(size_t nIndex) { return nIndex < m_fxAnnotArray.size() ? m_fxAnnotArray[nIndex] : nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByDict(CPDF_Dictionary* pDict) { for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { if (pAnnot->GetPDFAnnot()->GetAnnotDict() == pDict) return pAnnot; } return nullptr; } #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByXFAWidget(CXFA_FFWidget* hWidget) { if (!hWidget) return nullptr; for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { if (pAnnot->GetXFAWidget() == hWidget) return pAnnot; } return nullptr; } #endif // PDF_ENABLE_XFA FX_BOOL CPDFSDK_PageView::OnLButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); if (!pFXAnnot) { KillFocusAnnot(nFlag); return FALSE; } CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); FX_BOOL bRet = pAnnotHandlerMgr->Annot_OnLButtonDown(this, pFXAnnot, nFlag, point); if (bRet) SetFocusAnnot(pFXAnnot); return bRet; } #ifdef PDF_ENABLE_XFA FX_BOOL CPDFSDK_PageView::OnRButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); ASSERT(pAnnotHandlerMgr); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); if (!pFXAnnot) return FALSE; FX_BOOL bRet = pAnnotHandlerMgr->Annot_OnRButtonDown(this, pFXAnnot, nFlag, point); if (bRet) { SetFocusAnnot(pFXAnnot); } return TRUE; } FX_BOOL CPDFSDK_PageView::OnRButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); if (!pFXAnnot) return FALSE; FX_BOOL bRet = pAnnotHandlerMgr->Annot_OnRButtonUp(this, pFXAnnot, nFlag, point); if (bRet) { SetFocusAnnot(pFXAnnot); } return TRUE; } #endif // PDF_ENABLE_XFA FX_BOOL CPDFSDK_PageView::OnLButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); CPDFSDK_Annot* pFocusAnnot = GetFocusAnnot(); FX_BOOL bRet = FALSE; if (pFocusAnnot && pFocusAnnot != pFXAnnot) { // Last focus Annot gets a chance to handle the event. bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFocusAnnot, nFlag, point); } if (pFXAnnot && !bRet) bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFXAnnot, nFlag, point); return bRet; } FX_BOOL CPDFSDK_PageView::OnMouseMove(const CFX_FloatPoint& point, int nFlag) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); if (CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y)) { if (m_CaptureWidget && m_CaptureWidget != pFXAnnot) { m_bExitWidget = TRUE; m_bEnterWidget = FALSE; pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag); } m_CaptureWidget = (CPDFSDK_Widget*)pFXAnnot; m_bOnWidget = TRUE; if (!m_bEnterWidget) { m_bEnterWidget = TRUE; m_bExitWidget = FALSE; pAnnotHandlerMgr->Annot_OnMouseEnter(this, pFXAnnot, nFlag); } pAnnotHandlerMgr->Annot_OnMouseMove(this, pFXAnnot, nFlag, point); return TRUE; } if (m_bOnWidget) { m_bOnWidget = FALSE; m_bExitWidget = TRUE; m_bEnterWidget = FALSE; if (m_CaptureWidget) { pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag); m_CaptureWidget = nullptr; } } return FALSE; } FX_BOOL CPDFSDK_PageView::OnMouseWheel(double deltaX, double deltaY, const CFX_FloatPoint& point, int nFlag) { if (CPDFSDK_Annot* pAnnot = GetFXWidgetAtPoint(point.x, point.y)) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); return pAnnotHandlerMgr->Annot_OnMouseWheel(this, pAnnot, nFlag, (int)deltaY, point); } return FALSE; } FX_BOOL CPDFSDK_PageView::OnChar(int nChar, FX_UINT nFlag) { if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); return pAnnotHandlerMgr->Annot_OnChar(pAnnot, nChar, nFlag); } return FALSE; } FX_BOOL CPDFSDK_PageView::OnKeyDown(int nKeyCode, int nFlag) { if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); return pAnnotHandlerMgr->Annot_OnKeyDown(pAnnot, nKeyCode, nFlag); } return FALSE; } FX_BOOL CPDFSDK_PageView::OnKeyUp(int nKeyCode, int nFlag) { return FALSE; } void CPDFSDK_PageView::LoadFXAnnots() { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); #ifdef PDF_ENABLE_XFA CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); #else FX_BOOL bUpdateAP = CPDF_InterForm::IsUpdateAPEnabled(); // Disable the default AP construction. CPDF_InterForm::SetUpdateAP(FALSE); m_pAnnotList.reset(new CPDF_AnnotList(m_page)); CPDF_InterForm::SetUpdateAP(bUpdateAP); const size_t nCount = m_pAnnotList->Count(); #endif // PDF_ENABLE_XFA SetLock(TRUE); #ifdef PDF_ENABLE_XFA CFX_RetainPtr<CPDFXFA_Page> protector(m_page); if (m_pSDKDoc->GetXFADocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) { CXFA_FFPageView* pageView = m_page->GetXFAPageView(); std::unique_ptr<IXFA_WidgetIterator> pWidgetHander( pageView->CreateWidgetIterator( XFA_TRAVERSEWAY_Form, XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)); if (!pWidgetHander) { SetLock(FALSE); return; } while (CXFA_FFWidget* pXFAAnnot = pWidgetHander->MoveToNext()) { CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pXFAAnnot, this); if (!pAnnot) continue; m_fxAnnotArray.push_back(pAnnot); pAnnotHandlerMgr->Annot_OnLoad(pAnnot); } } else { CPDF_Page* pPage = m_page->GetPDFPage(); ASSERT(pPage); FX_BOOL bUpdateAP = CPDF_InterForm::IsUpdateAPEnabled(); // Disable the default AP construction. CPDF_InterForm::SetUpdateAP(FALSE); m_pAnnotList.reset(new CPDF_AnnotList(pPage)); CPDF_InterForm::SetUpdateAP(bUpdateAP); const size_t nCount = m_pAnnotList->Count(); for (size_t i = 0; i < nCount; ++i) { CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i); CheckUnSupportAnnot(GetPDFDocument(), pPDFAnnot); CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pPDFAnnot, this); if (!pAnnot) continue; m_fxAnnotArray.push_back(pAnnot); pAnnotHandlerMgr->Annot_OnLoad(pAnnot); } } #else // PDF_ENABLE_XFA for (size_t i = 0; i < nCount; ++i) { CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i); CPDF_Document* pDoc = GetPDFDocument(); CheckUnSupportAnnot(pDoc, pPDFAnnot); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pPDFAnnot, this); if (!pAnnot) continue; m_fxAnnotArray.push_back(pAnnot); pAnnotHandlerMgr->Annot_OnLoad(pAnnot); } #endif // PDF_ENABLE_XFA SetLock(FALSE); } void CPDFSDK_PageView::ClearFXAnnots() { SetLock(TRUE); if (m_pSDKDoc && GetFocusAnnot()) m_pSDKDoc->SetFocusAnnot(nullptr); m_CaptureWidget = nullptr; for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) m_pSDKDoc->GetEnv()->GetAnnotHandlerMgr()->ReleaseAnnot(pAnnot); m_fxAnnotArray.clear(); m_pAnnotList.reset(); SetLock(FALSE); } void CPDFSDK_PageView::UpdateRects(const std::vector<CFX_FloatRect>& rects) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); for (const auto& rc : rects) pEnv->FFI_Invalidate(m_page, rc.left, rc.top, rc.right, rc.bottom); } void CPDFSDK_PageView::UpdateView(CPDFSDK_Annot* pAnnot) { CFX_FloatRect rcWindow = pAnnot->GetRect(); CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); pEnv->FFI_Invalidate(m_page, rcWindow.left, rcWindow.top, rcWindow.right, rcWindow.bottom); } int CPDFSDK_PageView::GetPageIndex() const { if (!m_page) return -1; #ifdef PDF_ENABLE_XFA int nDocType = m_page->GetDocument()->GetDocType(); switch (nDocType) { case DOCTYPE_DYNAMIC_XFA: { CXFA_FFPageView* pPageView = m_page->GetXFAPageView(); return pPageView ? pPageView->GetPageIndex() : -1; } case DOCTYPE_STATIC_XFA: case DOCTYPE_PDF: return GetPageIndexForStaticPDF(); default: return -1; } #else // PDF_ENABLE_XFA return GetPageIndexForStaticPDF(); #endif // PDF_ENABLE_XFA } bool CPDFSDK_PageView::IsValidAnnot(const CPDF_Annot* p) const { if (!p) return false; const auto& annots = m_pAnnotList->All(); std::unique_ptr<const CPDF_Annot> annot(p); return pdfium::ContainsValue(annots, annot); } CPDFSDK_Annot* CPDFSDK_PageView::GetFocusAnnot() { CPDFSDK_Annot* pFocusAnnot = m_pSDKDoc->GetFocusAnnot(); if (!pFocusAnnot) return nullptr; for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { if (pAnnot == pFocusAnnot) return pAnnot; } return nullptr; } int CPDFSDK_PageView::GetPageIndexForStaticPDF() const { #ifdef PDF_ENABLE_XFA CPDF_Page* pPage = m_page->GetPDFPage(); #else // PDF_ENABLE_XFA CPDF_Page* pPage = m_page; #endif // PDF_ENABLE_XFA CPDF_Dictionary* pDict = pPage->m_pFormDict; CPDF_Document* pDoc = m_pSDKDoc->GetPDFDocument(); return (pDoc && pDict) ? pDoc->GetPageIndex(pDict->GetObjNum()) : -1; }