// 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_annothandlermgr.h" #include "core/fpdfapi/parser/cpdf_number.h" #include "core/fpdfapi/parser/cpdf_string.h" #include "core/fpdfdoc/cpdf_annot.h" #include "fpdfsdk/cba_annotiterator.h" #include "fpdfsdk/cpdfsdk_annot.h" #include "fpdfsdk/cpdfsdk_baannot.h" #include "fpdfsdk/cpdfsdk_baannothandler.h" #include "fpdfsdk/cpdfsdk_datetime.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/cpdfsdk_pageview.h" #include "fpdfsdk/cpdfsdk_widgethandler.h" #include "third_party/base/ptr_util.h" #ifdef PDF_ENABLE_XFA #include "fpdfsdk/cpdfsdk_xfawidgethandler.h" #include "fpdfsdk/fpdfxfa/cpdfxfa_page.h" #include "xfa/fxfa/cxfa_ffpageview.h" #include "xfa/fxfa/cxfa_ffwidget.h" #endif // PDF_ENABLE_XFA CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr( CPDFSDK_FormFillEnvironment* pFormFillEnv) : m_pBAAnnotHandler(pdfium::MakeUnique<CPDFSDK_BAAnnotHandler>()), m_pWidgetHandler(pdfium::MakeUnique<CPDFSDK_WidgetHandler>(pFormFillEnv)) #ifdef PDF_ENABLE_XFA , m_pXFAWidgetHandler( pdfium::MakeUnique<CPDFSDK_XFAWidgetHandler>(pFormFillEnv)) #endif // PDF_ENABLE_XFA { } CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr() {} CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPageView) { ASSERT(pPageView); return GetAnnotHandler(pAnnot->GetSubtype())->NewAnnot(pAnnot, pPageView); } #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CXFA_FFWidget* pAnnot, CPDFSDK_PageView* pPageView) { ASSERT(pAnnot); ASSERT(pPageView); return GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET) ->NewAnnot(pAnnot, pPageView); } #endif // PDF_ENABLE_XFA void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot); pAnnotHandler->ReleaseAnnot(pAnnot); } void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) { CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot(); CPDFSDK_DateTime curTime; pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_String>( "M", curTime.ToPDFDateTimeString(), false); pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_Number>("F", 0); } void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) { ASSERT(pAnnot); GetAnnotHandler(pAnnot)->OnLoad(pAnnot); } WideString CPDFSDK_AnnotHandlerMgr::Annot_GetSelectedText( CPDFSDK_Annot* pAnnot) { return GetAnnotHandler(pAnnot)->GetSelectedText(pAnnot); } void CPDFSDK_AnnotHandlerMgr::Annot_ReplaceSelection(CPDFSDK_Annot* pAnnot, const WideString& text) { GetAnnotHandler(pAnnot)->ReplaceSelection(pAnnot, text); } IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler( CPDFSDK_Annot* pAnnot) const { return GetAnnotHandler(pAnnot->GetAnnotSubtype()); } IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler( CPDF_Annot::Subtype nAnnotSubtype) const { if (nAnnotSubtype == CPDF_Annot::Subtype::WIDGET) return m_pWidgetHandler.get(); #ifdef PDF_ENABLE_XFA if (nAnnotSubtype == CPDF_Annot::Subtype::XFAWIDGET) return m_pXFAWidgetHandler.get(); #endif // PDF_ENABLE_XFA return m_pBAAnnotHandler.get(); } void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device, bool bDrawAnnots) { ASSERT(pAnnot); GetAnnotHandler(pAnnot)->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, bDrawAnnots); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get()) ->OnLButtonDown(pPageView, pAnnot, nFlags, point); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get()) ->OnLButtonUp(pPageView, pAnnot, nFlags, point); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get()) ->OnLButtonDblClk(pPageView, pAnnot, nFlags, point); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get()) ->OnMouseMove(pPageView, pAnnot, nFlags, point); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, short zDelta, const CFX_PointF& point) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get()) ->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta, point); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get()) ->OnRButtonDown(pPageView, pAnnot, nFlags, point); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlags, const CFX_PointF& point) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get()) ->OnRButtonUp(pPageView, pAnnot, nFlags, point); } void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlag) { ASSERT(*pAnnot); GetAnnotHandler(pAnnot->Get())->OnMouseEnter(pPageView, pAnnot, nFlag); } void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit( CPDFSDK_PageView* pPageView, CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlag) { ASSERT(*pAnnot); GetAnnotHandler(pAnnot->Get())->OnMouseExit(pPageView, pAnnot, nFlag); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) { return GetAnnotHandler(pAnnot)->OnChar(pAnnot, nChar, nFlags); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) { if (CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag) || CPDFSDK_FormFillEnvironment::IsALTKeyDown(nFlag)) { return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag); } CPDFSDK_PageView* pPage = pAnnot->GetPageView(); CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot(); if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) { CPDFSDK_Annot::ObservedPtr pNext(GetNextAnnot( pFocusAnnot, !CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag))); if (pNext && pNext.Get() != pFocusAnnot) { pPage->GetFormFillEnv()->SetFocusAnnot(&pNext); return true; } } return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) { return false; } bool CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus( CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlag) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get())->OnSetFocus(pAnnot, nFlag); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus( CPDFSDK_Annot::ObservedPtr* pAnnot, uint32_t nFlag) { ASSERT(*pAnnot); return GetAnnotHandler(pAnnot->Get())->OnKillFocus(pAnnot, nFlag); } #ifdef PDF_ENABLE_XFA bool CPDFSDK_AnnotHandlerMgr::Annot_OnChangeFocus( CPDFSDK_Annot::ObservedPtr* pSetAnnot, CPDFSDK_Annot::ObservedPtr* pKillAnnot) { bool bXFA = (*pSetAnnot && (*pSetAnnot)->GetXFAWidget()) || (*pKillAnnot && (*pKillAnnot)->GetXFAWidget()); if (bXFA) { if (IPDFSDK_AnnotHandler* pXFAAnnotHandler = GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET)) 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); return GetAnnotHandler(pAnnot)->GetViewBBox(pPageView, pAnnot); } bool CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, const CFX_PointF& point) { ASSERT(pAnnot); 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, 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->GetAnnotSubtype()); 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(), CPDF_Annot::Subtype::WIDGET); return bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot); #endif // PDF_ENABLE_XFA }