// 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_bfannothandler.h" #include <memory> #include <vector> #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" #include "core/fpdfdoc/include/cpdf_interform.h" #include "fpdfsdk/formfiller/cffl_formfiller.h" #include "fpdfsdk/include/cpdfsdk_annot.h" #include "fpdfsdk/include/cpdfsdk_interform.h" #include "fpdfsdk/include/cpdfsdk_widget.h" #include "fpdfsdk/include/fsdk_mgr.h" #ifdef PDF_ENABLE_XFA #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" #endif // PDF_ENABLE_XFA CPDFSDK_BFAnnotHandler::CPDFSDK_BFAnnotHandler(CPDFDoc_Environment* pApp) : m_pApp(pApp), m_pFormFiller(nullptr) {} CPDFSDK_BFAnnotHandler::~CPDFSDK_BFAnnotHandler() {} CFX_ByteString CPDFSDK_BFAnnotHandler::GetType() { return CFX_ByteString("Widget"); } CFX_ByteString CPDFSDK_BFAnnotHandler::GetName() { return CFX_ByteString("WidgetHandler"); } FX_BOOL CPDFSDK_BFAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot) { ASSERT(pAnnot->GetType() == "Widget"); if (pAnnot->GetSubType() == BFFT_SIGNATURE) return FALSE; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot); if (!pWidget->IsVisible()) return FALSE; int nFieldFlags = pWidget->GetFieldFlags(); if ((nFieldFlags & FIELDFLAG_READONLY) == FIELDFLAG_READONLY) return FALSE; if (pWidget->GetFieldType() == FIELDTYPE_PUSHBUTTON) return TRUE; CPDF_Page* pPage = pWidget->GetPDFPage(); CPDF_Document* pDocument = pPage->m_pDocument; uint32_t dwPermissions = pDocument->GetUserPermissions(); return (dwPermissions & FPDFPERM_FILL_FORM) || (dwPermissions & FPDFPERM_ANNOT_FORM); } CPDFSDK_Annot* CPDFSDK_BFAnnotHandler::NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage) { CPDFSDK_Document* pSDKDoc = m_pApp->GetSDKDocument(); CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm(); CPDF_FormControl* pCtrl = CPDFSDK_Widget::GetFormControl( pInterForm->GetInterForm(), pAnnot->GetAnnotDict()); if (!pCtrl) return nullptr; CPDFSDK_Widget* pWidget = new CPDFSDK_Widget(pAnnot, pPage, pInterForm); pInterForm->AddMap(pCtrl, pWidget); CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); if (pPDFInterForm && pPDFInterForm->NeedConstructAP()) pWidget->ResetAppearance(nullptr, FALSE); return pWidget; } #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_BFAnnotHandler::NewAnnot(CXFA_FFWidget* hWidget, CPDFSDK_PageView* pPage) { return nullptr; } #endif // PDF_ENABLE_XFA void CPDFSDK_BFAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { ASSERT(pAnnot); if (m_pFormFiller) m_pFormFiller->OnDelete(pAnnot); std::unique_ptr<CPDFSDK_Widget> pWidget(static_cast<CPDFSDK_Widget*>(pAnnot)); CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm(); CPDF_FormControl* pControl = pWidget->GetFormControl(); pInterForm->RemoveMap(pControl); } void CPDFSDK_BFAnnotHandler::DeleteAnnot(CPDFSDK_Annot* pAnnot) {} void CPDFSDK_BFAnnotHandler::OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device, uint32_t dwFlags) { CFX_ByteString sSubType = pAnnot->GetSubType(); if (sSubType == BFFT_SIGNATURE) { static_cast<CPDFSDK_BAAnnot*>(pAnnot)->DrawAppearance( pDevice, pUser2Device, CPDF_Annot::Normal, nullptr); } else { if (m_pFormFiller) m_pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags); } } void CPDFSDK_BFAnnotHandler::OnDrawSleep(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device, const CFX_FloatRect& rcWindow, uint32_t dwFlags) {} void CPDFSDK_BFAnnotHandler::OnDelete(CPDFSDK_Annot* pAnnot) {} void CPDFSDK_BFAnnotHandler::OnRelease(CPDFSDK_Annot* pAnnot) {} void CPDFSDK_BFAnnotHandler::OnMouseEnter(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlag) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) m_pFormFiller->OnMouseEnter(pPageView, pAnnot, nFlag); } void CPDFSDK_BFAnnotHandler::OnMouseExit(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlag) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) m_pFormFiller->OnMouseExit(pPageView, pAnnot, nFlag); } FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDown(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnLButtonDown(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonUp(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnLButtonUp(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDblClk(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnLButtonDblClk(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseMove(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnMouseMove(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseWheel(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, short zDelta, const CFX_FloatPoint& point) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta, point); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonDown(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnRButtonDown(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonUp(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnRButtonUp(pPageView, pAnnot, nFlags, point); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonDblClk(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, uint32_t nFlags, const CFX_FloatPoint& point) { return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnChar(pAnnot, nChar, nFlags); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnKeyDown(pAnnot, nKeyCode, nFlag); return FALSE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) { return FALSE; } void CPDFSDK_BFAnnotHandler::OnCreate(CPDFSDK_Annot* pAnnot) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) m_pFormFiller->OnCreate(pAnnot); } void CPDFSDK_BFAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot) { if (pAnnot->GetSubType() == BFFT_SIGNATURE) return; CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot); if (!pWidget->IsAppearanceValid()) pWidget->ResetAppearance(nullptr, FALSE); int nFieldType = pWidget->GetFieldType(); if (nFieldType == FIELDTYPE_TEXTFIELD || nFieldType == FIELDTYPE_COMBOBOX) { FX_BOOL bFormated = FALSE; CFX_WideString sValue = pWidget->OnFormat(bFormated); if (bFormated && nFieldType == FIELDTYPE_COMBOBOX) pWidget->ResetAppearance(sValue.c_str(), FALSE); } #ifdef PDF_ENABLE_XFA CPDFSDK_PageView* pPageView = pAnnot->GetPageView(); CPDFSDK_Document* pSDKDoc = pPageView->GetSDKDocument(); CPDFXFA_Document* pDoc = pSDKDoc->GetXFADocument(); if (pDoc->GetDocType() == DOCTYPE_STATIC_XFA) { if (!pWidget->IsAppearanceValid() && !pWidget->GetValue().IsEmpty()) pWidget->ResetAppearance(FALSE); } #endif // PDF_ENABLE_XFA if (m_pFormFiller) m_pFormFiller->OnLoad(pAnnot); } FX_BOOL CPDFSDK_BFAnnotHandler::OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnSetFocus(pAnnot, nFlag); return TRUE; } FX_BOOL CPDFSDK_BFAnnotHandler::OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return m_pFormFiller->OnKillFocus(pAnnot, nFlag); return TRUE; } #ifdef PDF_ENABLE_XFA FX_BOOL CPDFSDK_BFAnnotHandler::OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot, CPDFSDK_Annot* pNewAnnot) { return TRUE; } #endif // PDF_ENABLE_XFA CFX_FloatRect CPDFSDK_BFAnnotHandler::GetViewBBox(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot) { if (pAnnot->GetSubType() != BFFT_SIGNATURE && m_pFormFiller) return CFX_FloatRect(m_pFormFiller->GetViewBBox(pPageView, pAnnot)); return CFX_FloatRect(0, 0, 0, 0); } FX_BOOL CPDFSDK_BFAnnotHandler::HitTest(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, const CFX_FloatPoint& point) { ASSERT(pPageView); ASSERT(pAnnot); CFX_FloatRect rect = GetViewBBox(pPageView, pAnnot); return rect.Contains(point.x, point.y); }