| // 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_widgethandler.h" |
| |
| #include <memory> |
| |
| #include "constants/access_permissions.h" |
| #include "constants/form_flags.h" |
| #include "core/fpdfapi/page/cpdf_page.h" |
| #include "core/fpdfapi/parser/cpdf_document.h" |
| #include "core/fpdfdoc/cpdf_interactiveform.h" |
| #include "fpdfsdk/cpdfsdk_annot.h" |
| #include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
| #include "fpdfsdk/cpdfsdk_interactiveform.h" |
| #include "fpdfsdk/cpdfsdk_pageview.h" |
| #include "fpdfsdk/cpdfsdk_widget.h" |
| #include "fpdfsdk/formfiller/cffl_formfield.h" |
| #include "fpdfsdk/formfiller/cffl_interactiveformfiller.h" |
| #include "third_party/base/check.h" |
| #include "third_party/base/check_op.h" |
| #include "third_party/base/containers/contains.h" |
| |
| CPDFSDK_WidgetHandler::CPDFSDK_WidgetHandler() = default; |
| |
| CPDFSDK_WidgetHandler::~CPDFSDK_WidgetHandler() = default; |
| |
| std::unique_ptr<CPDFSDK_Annot> CPDFSDK_WidgetHandler::NewAnnot( |
| CPDF_Annot* pAnnot, |
| CPDFSDK_PageView* pPageView) { |
| CHECK(pPageView); |
| CPDFSDK_InteractiveForm* pForm = |
| GetFormFillEnvironment()->GetInteractiveForm(); |
| CPDF_InteractiveForm* pPDFForm = pForm->GetInteractiveForm(); |
| CPDF_FormControl* pCtrl = pPDFForm->GetControlByDict(pAnnot->GetAnnotDict()); |
| if (!pCtrl) |
| return nullptr; |
| |
| auto pWidget = std::make_unique<CPDFSDK_Widget>(pAnnot, pPageView, pForm); |
| pForm->AddMap(pCtrl, pWidget.get()); |
| if (pPDFForm->NeedConstructAP()) |
| pWidget->ResetAppearance(absl::nullopt, CPDFSDK_Widget::kValueUnchanged); |
| return pWidget; |
| } |
| |
| void CPDFSDK_WidgetHandler::OnDraw(CPDFSDK_Annot* pAnnot, |
| CFX_RenderDevice* pDevice, |
| const CFX_Matrix& mtUser2Device, |
| bool bDrawAnnots) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| if (pWidget->IsSignatureWidget()) { |
| pWidget->DrawAppearance(pDevice, mtUser2Device, |
| CPDF_Annot::AppearanceMode::kNormal); |
| } else { |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnDraw( |
| pWidget->GetPageView(), pWidget, pDevice, mtUser2Device); |
| } |
| } |
| |
| void CPDFSDK_WidgetHandler::OnMouseEnter(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlag) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| if (!pWidget->IsSignatureWidget()) { |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnMouseEnter( |
| pWidget->GetPageView(), pWidget, nFlag); |
| } |
| } |
| |
| void CPDFSDK_WidgetHandler::OnMouseExit(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlag) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| if (!pWidget->IsSignatureWidget()) { |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnMouseExit( |
| pWidget->GetPageView(), pWidget, nFlag); |
| } |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnLButtonDown(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnLButtonDown( |
| pWidget->GetPageView(), pWidget, nFlags, point); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnLButtonUp(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnLButtonUp( |
| pWidget->GetPageView(), pWidget, nFlags, point); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnLButtonDblClk(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnLButtonDblClk( |
| pWidget->GetPageView(), pWidget, nFlags, point); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnMouseMove(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnMouseMove( |
| pWidget->GetPageView(), pWidget, nFlags, point); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnMouseWheel(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point, |
| const CFX_Vector& delta) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnMouseWheel( |
| pWidget->GetPageView(), pWidget, nFlags, point, delta); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnRButtonDown(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnRButtonDown( |
| pWidget->GetPageView(), pWidget, nFlags, point); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnRButtonUp(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnRButtonUp( |
| pWidget->GetPageView(), pWidget, nFlags, point); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnRButtonDblClk(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnChar(CPDFSDK_Annot* pAnnot, |
| uint32_t nChar, |
| Mask<FWL_EVENTFLAG> nFlags) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnChar( |
| pWidget, nChar, nFlags); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, |
| FWL_VKEYCODE nKeyCode, |
| Mask<FWL_EVENTFLAG> nFlag) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnKeyDown( |
| pWidget, nKeyCode, nFlag); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, |
| FWL_VKEYCODE nKeyCode, |
| Mask<FWL_EVENTFLAG> nFlag) { |
| return false; |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnSetFocus(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlag) { |
| if (!IsFocusableAnnot(pAnnot->GetPDFAnnot()->GetSubtype())) |
| return false; |
| |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return pWidget->IsSignatureWidget() || |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnSetFocus( |
| pWidget, nFlag); |
| } |
| |
| bool CPDFSDK_WidgetHandler::OnKillFocus(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| Mask<FWL_EVENTFLAG> nFlag) { |
| if (!IsFocusableAnnot(pAnnot->GetPDFAnnot()->GetSubtype())) |
| return false; |
| |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return pWidget->IsSignatureWidget() || |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->OnKillFocus( |
| pWidget, nFlag); |
| } |
| |
| bool CPDFSDK_WidgetHandler::SetIndexSelected(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| int index, |
| bool selected) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->SetIndexSelected( |
| pWidget, index, selected); |
| } |
| |
| bool CPDFSDK_WidgetHandler::IsIndexSelected(ObservedPtr<CPDFSDK_Annot>& pAnnot, |
| int index) { |
| ObservedPtr<CPDFSDK_Widget> pWidget(ToCPDFSDKWidget(pAnnot.Get())); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->IsIndexSelected( |
| pWidget, index); |
| } |
| |
| WideString CPDFSDK_WidgetHandler::GetText(CPDFSDK_Annot* pAnnot) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| if (pWidget->IsSignatureWidget()) |
| return WideString(); |
| |
| return GetFormFillEnvironment()->GetInteractiveFormFiller()->GetText(pWidget); |
| } |
| |
| WideString CPDFSDK_WidgetHandler::GetSelectedText(CPDFSDK_Annot* pAnnot) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| if (pWidget->IsSignatureWidget()) |
| return WideString(); |
| |
| return GetFormFillEnvironment()->GetInteractiveFormFiller()->GetSelectedText( |
| pWidget); |
| } |
| |
| void CPDFSDK_WidgetHandler::ReplaceSelection(CPDFSDK_Annot* pAnnot, |
| const WideString& text) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| if (pWidget->IsSignatureWidget()) |
| return; |
| |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->ReplaceSelection( |
| pWidget, text); |
| } |
| |
| bool CPDFSDK_WidgetHandler::SelectAllText(CPDFSDK_Annot* pAnnot) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| return !pWidget->IsSignatureWidget() && |
| GetFormFillEnvironment()->GetInteractiveFormFiller()->SelectAllText( |
| pWidget); |
| } |
| |
| bool CPDFSDK_WidgetHandler::IsFocusableAnnot( |
| const CPDF_Annot::Subtype& annot_type) const { |
| DCHECK_EQ(annot_type, CPDF_Annot::Subtype::WIDGET); |
| return pdfium::Contains(GetFormFillEnvironment()->GetFocusableAnnotSubtypes(), |
| annot_type); |
| } |