diff options
Diffstat (limited to 'fpdfsdk/cpdfsdk_widgethandler.cpp')
| -rw-r--r-- | fpdfsdk/cpdfsdk_widgethandler.cpp | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/fpdfsdk/cpdfsdk_widgethandler.cpp b/fpdfsdk/cpdfsdk_widgethandler.cpp new file mode 100644 index 0000000000..0fb64dfaec --- /dev/null +++ b/fpdfsdk/cpdfsdk_widgethandler.cpp @@ -0,0 +1,311 @@ +// 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_widgethandler.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_WidgetHandler::CPDFSDK_WidgetHandler(CPDFDoc_Environment* pApp) + : m_pApp(pApp), m_pFormFiller(nullptr) {} + +CPDFSDK_WidgetHandler::~CPDFSDK_WidgetHandler() {} + +CFX_ByteString CPDFSDK_WidgetHandler::GetType() { + return CFX_ByteString("Widget"); +} + +FX_BOOL CPDFSDK_WidgetHandler::CanAnswer(CPDFSDK_Annot* pAnnot) { + ASSERT(pAnnot->GetAnnotSubtype() == "Widget"); + if (pAnnot->IsSignatureWidget()) + 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_WidgetHandler::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_WidgetHandler::NewAnnot(CXFA_FFWidget* hWidget, + CPDFSDK_PageView* pPage) { + return nullptr; +} +#endif // PDF_ENABLE_XFA + +void CPDFSDK_WidgetHandler::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_WidgetHandler::DeleteAnnot(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_WidgetHandler::OnDraw(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device, + uint32_t dwFlags) { + if (pAnnot->IsSignatureWidget()) { + 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_WidgetHandler::OnDrawSleep(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device, + const CFX_FloatRect& rcWindow, + uint32_t dwFlags) {} + +void CPDFSDK_WidgetHandler::OnDelete(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_WidgetHandler::OnRelease(CPDFSDK_Annot* pAnnot) {} + +void CPDFSDK_WidgetHandler::OnMouseEnter(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + m_pFormFiller->OnMouseEnter(pPageView, pAnnot, nFlag); +} + +void CPDFSDK_WidgetHandler::OnMouseExit(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + m_pFormFiller->OnMouseExit(pPageView, pAnnot, nFlag); +} + +FX_BOOL CPDFSDK_WidgetHandler::OnLButtonDown(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnLButtonDown(pPageView, pAnnot, nFlags, point); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnLButtonUp(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnLButtonUp(pPageView, pAnnot, nFlags, point); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnLButtonDblClk(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnLButtonDblClk(pPageView, pAnnot, nFlags, point); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnMouseMove(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnMouseMove(pPageView, pAnnot, nFlags, point); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnMouseWheel(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + short zDelta, + const CFX_FloatPoint& point) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta, + point); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnRButtonDown(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnRButtonDown(pPageView, pAnnot, nFlags, point); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnRButtonUp(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnRButtonUp(pPageView, pAnnot, nFlags, point); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnRButtonDblClk(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot, + uint32_t nFlags, + const CFX_FloatPoint& point) { + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnChar(CPDFSDK_Annot* pAnnot, + uint32_t nChar, + uint32_t nFlags) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnChar(pAnnot, nChar, nFlags); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, + int nKeyCode, + int nFlag) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnKeyDown(pAnnot, nKeyCode, nFlag); + + return FALSE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, + int nKeyCode, + int nFlag) { + return FALSE; +} + +void CPDFSDK_WidgetHandler::OnCreate(CPDFSDK_Annot* pAnnot) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + m_pFormFiller->OnCreate(pAnnot); +} + +void CPDFSDK_WidgetHandler::OnLoad(CPDFSDK_Annot* pAnnot) { + if (pAnnot->IsSignatureWidget()) + 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_WidgetHandler::OnSetFocus(CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnSetFocus(pAnnot, nFlag); + + return TRUE; +} + +FX_BOOL CPDFSDK_WidgetHandler::OnKillFocus(CPDFSDK_Annot* pAnnot, + uint32_t nFlag) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return m_pFormFiller->OnKillFocus(pAnnot, nFlag); + + return TRUE; +} + +#ifdef PDF_ENABLE_XFA +FX_BOOL CPDFSDK_WidgetHandler::OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot, + CPDFSDK_Annot* pNewAnnot) { + return TRUE; +} +#endif // PDF_ENABLE_XFA + +CFX_FloatRect CPDFSDK_WidgetHandler::GetViewBBox(CPDFSDK_PageView* pPageView, + CPDFSDK_Annot* pAnnot) { + if (!pAnnot->IsSignatureWidget() && m_pFormFiller) + return CFX_FloatRect(m_pFormFiller->GetViewBBox(pPageView, pAnnot)); + + return CFX_FloatRect(0, 0, 0, 0); +} + +FX_BOOL CPDFSDK_WidgetHandler::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); +} |