// 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/include/cpdfsdk_annothandlermgr.h" #include "core/fpdfdoc/include/cpdf_annot.h" #include "fpdfsdk/include/cba_annotiterator.h" #include "fpdfsdk/include/cpdfsdk_annot.h" #include "fpdfsdk/include/cpdfsdk_baannot.h" #include "fpdfsdk/include/cpdfsdk_bfannothandler.h" #include "fpdfsdk/include/cpdfsdk_datetime.h" #include "fpdfsdk/include/fsdk_mgr.h" #ifdef PDF_ENABLE_XFA #include "fpdfsdk/include/cpdfsdk_xfaannothandler.h" #include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h" #include "xfa/fxfa/include/xfa_ffpageview.h" #include "xfa/fxfa/include/xfa_ffwidget.h" #endif // PDF_ENABLE_XFA CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(CPDFDoc_Environment* pApp) { m_pApp = pApp; CPDFSDK_BFAnnotHandler* pHandler = new CPDFSDK_BFAnnotHandler(m_pApp); pHandler->SetFormFiller(m_pApp->GetIFormFiller()); RegisterAnnotHandler(pHandler); #ifdef PDF_ENABLE_XFA CPDFSDK_XFAAnnotHandler* pXFAAnnotHandler = new CPDFSDK_XFAAnnotHandler(m_pApp); RegisterAnnotHandler(pXFAAnnotHandler); #endif // PDF_ENABLE_XFA } CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr() {} void CPDFSDK_AnnotHandlerMgr::RegisterAnnotHandler( IPDFSDK_AnnotHandler* pAnnotHandler) { ASSERT(!GetAnnotHandler(pAnnotHandler->GetType())); m_mapType2Handler[pAnnotHandler->GetType()].reset(pAnnotHandler); } void CPDFSDK_AnnotHandlerMgr::UnRegisterAnnotHandler( IPDFSDK_AnnotHandler* pAnnotHandler) { m_mapType2Handler.erase(pAnnotHandler->GetType()); } CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPageView) { ASSERT(pPageView); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot->GetSubType())) { return pAnnotHandler->NewAnnot(pAnnot, pPageView); } return new CPDFSDK_BAAnnot(pAnnot, pPageView); } #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CXFA_FFWidget* pAnnot, CPDFSDK_PageView* pPageView) { ASSERT(pAnnot); ASSERT(pPageView); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(FSDK_XFAWIDGET_TYPENAME)) { return pAnnotHandler->NewAnnot(pAnnot, pPageView); } return nullptr; } #endif // PDF_ENABLE_XFA void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) { pAnnotHandler->OnRelease(pAnnot); pAnnotHandler->ReleaseAnnot(pAnnot); } else { delete pAnnot; } } void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) { CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot(); CPDFSDK_DateTime curTime; pPDFAnnot->GetAnnotDict()->SetAtString("M", curTime.ToPDFDateTimeString()); pPDFAnnot->GetAnnotDict()->SetAtNumber("F", 0); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) pAnnotHandler->OnCreate(pAnnot); } void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) pAnnotHandler->OnLoad(pAnnot); } IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler( CPDFSDK_Annot* pAnnot) const { CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot(); if (pPDFAnnot) return GetAnnotHandler(pPDFAnnot->GetSubType()); #ifdef PDF_ENABLE_XFA if (pAnnot->GetXFAWidget()) return GetAnnotHandler(FSDK_XFAWIDGET_TYPENAME); #endif // PDF_ENABLE_XFA return nullptr; } IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler( const CFX_ByteString& sType) const { auto it = m_mapType2Handler.find(sType); return it != m_mapType2Handler.end() ? it->second.get() : nullptr; } void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device, uint32_t dwFlags) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) { pAnnotHandler->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags); } else { #ifdef PDF_ENABLE_XFA if (pAnnot->IsXFAField()) return; #endif // PDF_ENABLE_XFA static_cast<CPDFSDK_BAAnnot*>(pAnnot)->DrawAppearance( pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); } } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnLButtonDown(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnLButtonUp(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnLButtonDblClk(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnMouseMove(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, short zDelta, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) { return pAnnotHandler->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta, point); } return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnRButtonDown(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnRButtonUp(pPageView, pAnnot, nFlags, point); return FALSE; } void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlag) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) pAnnotHandler->OnMouseEnter(pPageView, pAnnot, nFlag); } void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlag) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) pAnnotHandler->OnMouseExit(pPageView, pAnnot, nFlag); } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) { if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnChar(pAnnot, nChar, nFlags); return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) { if (!m_pApp->FFI_IsCTRLKeyDown(nFlag) && !m_pApp->FFI_IsALTKeyDown(nFlag)) { CPDFSDK_PageView* pPage = pAnnot->GetPageView(); CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot(); if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) { CPDFSDK_Annot* pNext = GetNextAnnot(pFocusAnnot, !m_pApp->FFI_IsSHIFTKeyDown(nFlag)); if (pNext && pNext != pFocusAnnot) { CPDFSDK_Document* pDocument = pPage->GetSDKDocument(); pDocument->SetFocusAnnot(pNext); return TRUE; } } } if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnKeyDown(pAnnot, nKeyCode, nFlag); return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) { return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) { if (pAnnotHandler->OnSetFocus(pAnnot, nFlag)) { CPDFSDK_PageView* pPage = pAnnot->GetPageView(); pPage->GetSDKDocument(); return TRUE; } } return FALSE; } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->OnKillFocus(pAnnot, nFlag); return FALSE; } #ifdef PDF_ENABLE_XFA FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChangeFocus( CPDFSDK_Annot* pSetAnnot, CPDFSDK_Annot* pKillAnnot) { FX_BOOL bXFA = (pSetAnnot && pSetAnnot->GetXFAWidget()) || (pKillAnnot && pKillAnnot->GetXFAWidget()); if (bXFA) { if (IPDFSDK_AnnotHandler* pXFAAnnotHandler = GetAnnotHandler(FSDK_XFAWIDGET_TYPENAME)) return pXFAAnnotHandler->OnXFAChangedFocus(pKillAnnot, pSetAnnot); } return TRUE; } #endif // PDF_ENABLE_XFA CFX_FloatRect CPDFSDK_AnnotHandlerMgr::Annot_OnGetViewBBox( CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) return pAnnotHandler->GetViewBBox(pPageView, pAnnot); return pAnnot->GetRect(); } FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, const CFX_FloatPoint& point) { ASSERT(pAnnot); if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) { if (pAnnotHandler->CanAnswer(pAnnot)) return pAnnotHandler->HitTest(pPageView, pAnnot, point); } return FALSE; } CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot, FX_BOOL bNext) { #ifdef PDF_ENABLE_XFA CPDFSDK_PageView* pPageView = pSDKAnnot->GetPageView(); CPDFXFA_Page* pPage = pPageView->GetPDFXFAPage(); if (!pPage) return nullptr; if (pPage->GetPDFPage()) { // for pdf annots. CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), pSDKAnnot->GetType(), ""); CPDFSDK_Annot* pNext = bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot); return pNext; } // for xfa annots std::unique_ptr<IXFA_WidgetIterator> pWidgetIterator( pPage->GetXFAPageView()->CreateWidgetIterator( XFA_TRAVERSEWAY_Tranvalse, XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable | XFA_WidgetStatus_Focused)); if (!pWidgetIterator) return nullptr; if (pWidgetIterator->GetCurrentWidget() != pSDKAnnot->GetXFAWidget()) pWidgetIterator->SetCurrentWidget(pSDKAnnot->GetXFAWidget()); CXFA_FFWidget* hNextFocus = bNext ? pWidgetIterator->MoveToNext() : pWidgetIterator->MoveToPrevious(); if (!hNextFocus && pSDKAnnot) hNextFocus = pWidgetIterator->MoveToFirst(); return pPageView->GetAnnotByXFAWidget(hNextFocus); #else // PDF_ENABLE_XFA CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), "Widget", ""); return bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot); #endif // PDF_ENABLE_XFA }