| // Copyright 2014 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/formfiller/cffl_interactiveformfiller.h" |
| |
| #include "constants/access_permissions.h" |
| #include "constants/form_flags.h" |
| #include "core/fpdfapi/page/cpdf_page.h" |
| #include "core/fxcrt/autorestorer.h" |
| #include "core/fxge/cfx_drawutils.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_checkbox.h" |
| #include "fpdfsdk/formfiller/cffl_combobox.h" |
| #include "fpdfsdk/formfiller/cffl_formfield.h" |
| #include "fpdfsdk/formfiller/cffl_listbox.h" |
| #include "fpdfsdk/formfiller/cffl_privatedata.h" |
| #include "fpdfsdk/formfiller/cffl_pushbutton.h" |
| #include "fpdfsdk/formfiller/cffl_radiobutton.h" |
| #include "fpdfsdk/formfiller/cffl_textfield.h" |
| #include "public/fpdf_fwlevent.h" |
| #include "third_party/base/check.h" |
| #include "third_party/base/check_op.h" |
| #include "third_party/base/numerics/ranges.h" |
| |
| CFFL_InteractiveFormFiller::CFFL_InteractiveFormFiller( |
| CPDFSDK_FormFillEnvironment* pFormFillEnv) |
| : m_pFormFillEnv(pFormFillEnv) {} |
| |
| CFFL_InteractiveFormFiller::~CFFL_InteractiveFormFiller() = default; |
| |
| bool CFFL_InteractiveFormFiller::Annot_HitTest(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot, |
| const CFX_PointF& point) { |
| return pAnnot->GetRect().Contains(point); |
| } |
| |
| FX_RECT CFFL_InteractiveFormFiller::GetViewBBox( |
| const CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot) { |
| if (CFFL_FormField* pFormField = GetFormField(pAnnot)) |
| return pFormField->GetViewBBox(pPageView); |
| |
| DCHECK(pPageView); |
| |
| CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot(); |
| CFX_FloatRect rcWin = pPDFAnnot->GetRect(); |
| if (!rcWin.IsEmpty()) { |
| rcWin.Inflate(1, 1); |
| rcWin.Normalize(); |
| } |
| return rcWin.GetOuterRect(); |
| } |
| |
| void CFFL_InteractiveFormFiller::OnDraw(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot, |
| CFX_RenderDevice* pDevice, |
| const CFX_Matrix& mtUser2Device) { |
| DCHECK(pPageView); |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| if (!IsVisible(pWidget)) |
| return; |
| |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| if (pFormField && pFormField->IsValid()) { |
| pFormField->OnDraw(pPageView, pAnnot, pDevice, mtUser2Device); |
| if (m_pFormFillEnv->GetFocusAnnot() != pAnnot) |
| return; |
| |
| CFX_FloatRect rcFocus = pFormField->GetFocusBox(pPageView); |
| if (rcFocus.IsEmpty()) |
| return; |
| |
| CFX_DrawUtils::DrawFocusRect(pDevice, mtUser2Device, rcFocus); |
| |
| return; |
| } |
| |
| if (pFormField) { |
| pFormField->OnDrawDeactive(pPageView, pAnnot, pDevice, mtUser2Device); |
| } else { |
| pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal, |
| nullptr); |
| } |
| |
| if (!IsReadOnly(pWidget) && IsFillingAllowed(pWidget)) |
| pWidget->DrawShadow(pDevice, pPageView); |
| } |
| |
| void CFFL_InteractiveFormFiller::OnDelete(CPDFSDK_Annot* pAnnot) { |
| UnregisterFormField(pAnnot); |
| } |
| |
| void CFFL_InteractiveFormFiller::OnMouseEnter( |
| CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| if (!m_bNotifying) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (pWidget->GetAAction(CPDF_AAction::kCursorEnter).GetDict()) { |
| m_bNotifying = true; |
| |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| pWidget->ClearAppModified(); |
| DCHECK(pPageView); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| pWidget->OnAAction(CPDF_AAction::kCursorEnter, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable()) |
| return; |
| |
| if (pWidget->IsAppModified()) { |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| } |
| } |
| } |
| if (CFFL_FormField* pFormField = GetOrCreateFormField(pAnnot->Get())) |
| pFormField->OnMouseEnter(pPageView); |
| } |
| |
| void CFFL_InteractiveFormFiller::OnMouseExit(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| if (!m_bNotifying) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (pWidget->GetAAction(CPDF_AAction::kCursorExit).GetDict()) { |
| m_bNotifying = true; |
| |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| pWidget->ClearAppModified(); |
| DCHECK(pPageView); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| pWidget->OnAAction(CPDF_AAction::kCursorExit, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable()) |
| return; |
| |
| if (pWidget->IsAppModified()) { |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| } |
| } |
| } |
| if (CFFL_FormField* pFormField = GetFormField(pAnnot->Get())) |
| pFormField->OnMouseExit(pPageView); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnLButtonDown( |
| CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| if (!m_bNotifying) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (Annot_HitTest(pPageView, pAnnot->Get(), point) && |
| pWidget->GetAAction(CPDF_AAction::kButtonDown).GetDict()) { |
| m_bNotifying = true; |
| |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| pWidget->ClearAppModified(); |
| DCHECK(pPageView); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlags); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlags); |
| pWidget->OnAAction(CPDF_AAction::kButtonDown, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable()) |
| return true; |
| |
| if (!IsValidAnnot(pPageView, pAnnot->Get())) |
| return true; |
| |
| if (pWidget->IsAppModified()) { |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| } |
| } |
| } |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| return pFormField && |
| pFormField->OnLButtonDown(pPageView, pAnnot->Get(), nFlags, point); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnLButtonUp(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| |
| bool bSetFocus; |
| switch (pWidget->GetFieldType()) { |
| case FormFieldType::kPushButton: |
| case FormFieldType::kCheckBox: |
| case FormFieldType::kRadioButton: { |
| FX_RECT bbox = GetViewBBox(pPageView, pAnnot->Get()); |
| bSetFocus = |
| bbox.Contains(static_cast<int>(point.x), static_cast<int>(point.y)); |
| break; |
| } |
| default: |
| bSetFocus = true; |
| break; |
| } |
| if (bSetFocus) |
| m_pFormFillEnv->SetFocusAnnot(pAnnot); |
| |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| bool bRet = pFormField && |
| pFormField->OnLButtonUp(pPageView, pAnnot->Get(), nFlags, point); |
| if (m_pFormFillEnv->GetFocusAnnot() != pAnnot->Get()) |
| return bRet; |
| if (OnButtonUp(pAnnot, pPageView, nFlags) || !pAnnot) |
| return true; |
| #ifdef PDF_ENABLE_XFA |
| if (OnClick(pAnnot, pPageView, nFlags) || !pAnnot) |
| return true; |
| #endif // PDF_ENABLE_XFA |
| return bRet; |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnButtonUp(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return false; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->GetAAction(CPDF_AAction::kButtonUp).GetDict()) |
| return false; |
| |
| m_bNotifying = true; |
| |
| uint32_t nAge = pWidget->GetAppearanceAge(); |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| DCHECK(pPageView); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| pWidget->OnAAction(CPDF_AAction::kButtonUp, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable() || !IsValidAnnot(pPageView, pWidget)) |
| return true; |
| if (nAge == pWidget->GetAppearanceAge()) |
| return false; |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| return true; |
| } |
| |
| bool CFFL_InteractiveFormFiller::SetIndexSelected( |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| int index, |
| bool selected) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| return pFormField && pFormField->SetIndexSelected(index, selected); |
| } |
| |
| bool CFFL_InteractiveFormFiller::IsIndexSelected( |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| int index) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| return pFormField && pFormField->IsIndexSelected(index); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnLButtonDblClk( |
| CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| return pFormField && pFormField->OnLButtonDblClk(pPageView, nFlags, point); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnMouseMove(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetOrCreateFormField(pAnnot->Get()); |
| return pFormField && pFormField->OnMouseMove(pPageView, nFlags, point); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnMouseWheel( |
| CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point, |
| const CFX_Vector& delta) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| return pFormField && |
| pFormField->OnMouseWheel(pPageView, nFlags, point, delta); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnRButtonDown( |
| CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| return pFormField && pFormField->OnRButtonDown(pPageView, nFlags, point); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnRButtonUp(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| return pFormField && pFormField->OnRButtonUp(pPageView, nFlags, point); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnKeyDown(CPDFSDK_Annot* pAnnot, |
| uint32_t nKeyCode, |
| uint32_t nFlags) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField && pFormField->OnKeyDown(nKeyCode, nFlags); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnChar(CPDFSDK_Annot* pAnnot, |
| uint32_t nChar, |
| uint32_t nFlags) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| if (nChar == FWL_VKEY_Tab) |
| return true; |
| |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField && pFormField->OnChar(pAnnot, nChar, nFlags); |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnSetFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| if (!pAnnot->HasObservable()) |
| return false; |
| |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| if (!m_bNotifying) { |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (pWidget->GetAAction(CPDF_AAction::kGetFocus).GetDict()) { |
| m_bNotifying = true; |
| |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| pWidget->ClearAppModified(); |
| |
| CFFL_FormField* pFormField = GetOrCreateFormField(pWidget); |
| if (!pFormField) |
| return false; |
| |
| CPDFSDK_PageView* pPageView = (*pAnnot)->GetPageView(); |
| DCHECK(pPageView); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| pFormField->GetActionData(pPageView, CPDF_AAction::kGetFocus, fa); |
| pWidget->OnAAction(CPDF_AAction::kGetFocus, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable()) |
| return false; |
| |
| if (pWidget->IsAppModified()) { |
| CFFL_FormField* pFiller = GetFormField(pWidget); |
| if (pFiller) |
| pFiller->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| } |
| } |
| } |
| |
| if (CFFL_FormField* pFormField = GetOrCreateFormField(pAnnot->Get())) |
| pFormField->SetFocusForAnnot(pAnnot->Get(), nFlag); |
| |
| return true; |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnKillFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| if (!pAnnot->HasObservable()) |
| return false; |
| |
| DCHECK_EQ((*pAnnot)->GetPDFAnnot()->GetSubtype(), |
| CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot->Get()); |
| if (!pFormField) |
| return true; |
| |
| pFormField->KillFocusForAnnot(nFlag); |
| if (!pAnnot->HasObservable()) |
| return false; |
| |
| if (m_bNotifying) |
| return true; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->GetAAction(CPDF_AAction::kLoseFocus).GetDict()) |
| return true; |
| |
| m_bNotifying = true; |
| pWidget->ClearAppModified(); |
| |
| CPDFSDK_PageView* pPageView = pWidget->GetPageView(); |
| DCHECK(pPageView); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| pFormField->GetActionData(pPageView, CPDF_AAction::kLoseFocus, fa); |
| pWidget->OnAAction(CPDF_AAction::kLoseFocus, &fa, pPageView); |
| m_bNotifying = false; |
| return pAnnot->HasObservable(); |
| } |
| |
| bool CFFL_InteractiveFormFiller::IsVisible(CPDFSDK_Widget* pWidget) { |
| return pWidget->IsVisible(); |
| } |
| |
| bool CFFL_InteractiveFormFiller::IsReadOnly(CPDFSDK_Widget* pWidget) { |
| int nFieldFlags = pWidget->GetFieldFlags(); |
| return !!(nFieldFlags & pdfium::form_flags::kReadOnly); |
| } |
| |
| bool CFFL_InteractiveFormFiller::IsFillingAllowed( |
| CPDFSDK_Widget* pWidget) const { |
| if (pWidget->GetFieldType() == FormFieldType::kPushButton) |
| return false; |
| |
| return m_pFormFillEnv->HasPermissions( |
| pdfium::access_permissions::kFillForm | |
| pdfium::access_permissions::kModifyAnnotation | |
| pdfium::access_permissions::kModifyContent); |
| } |
| |
| CFFL_FormField* CFFL_InteractiveFormFiller::GetFormField( |
| CPDFSDK_Annot* pAnnot) { |
| auto it = m_Map.find(pAnnot); |
| return it != m_Map.end() ? it->second.get() : nullptr; |
| } |
| |
| CFFL_FormField* CFFL_InteractiveFormFiller::GetOrCreateFormField( |
| CPDFSDK_Annot* pAnnot) { |
| CFFL_FormField* result = GetFormField(pAnnot); |
| if (result) |
| return result; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot); |
| std::unique_ptr<CFFL_FormField> pFormField; |
| switch (pWidget->GetFieldType()) { |
| case FormFieldType::kPushButton: |
| pFormField = |
| std::make_unique<CFFL_PushButton>(m_pFormFillEnv.Get(), pWidget); |
| break; |
| case FormFieldType::kCheckBox: |
| pFormField = |
| std::make_unique<CFFL_CheckBox>(m_pFormFillEnv.Get(), pWidget); |
| break; |
| case FormFieldType::kRadioButton: |
| pFormField = |
| std::make_unique<CFFL_RadioButton>(m_pFormFillEnv.Get(), pWidget); |
| break; |
| case FormFieldType::kTextField: |
| pFormField = |
| std::make_unique<CFFL_TextField>(m_pFormFillEnv.Get(), pWidget); |
| break; |
| case FormFieldType::kListBox: |
| pFormField = |
| std::make_unique<CFFL_ListBox>(m_pFormFillEnv.Get(), pWidget); |
| break; |
| case FormFieldType::kComboBox: |
| pFormField = |
| std::make_unique<CFFL_ComboBox>(m_pFormFillEnv.Get(), pWidget); |
| break; |
| case FormFieldType::kUnknown: |
| default: |
| return nullptr; |
| } |
| |
| result = pFormField.get(); |
| m_Map[pAnnot] = std::move(pFormField); |
| return result; |
| } |
| |
| WideString CFFL_InteractiveFormFiller::GetText(CPDFSDK_Annot* pAnnot) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField ? pFormField->GetText() : WideString(); |
| } |
| |
| WideString CFFL_InteractiveFormFiller::GetSelectedText(CPDFSDK_Annot* pAnnot) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField ? pFormField->GetSelectedText() : WideString(); |
| } |
| |
| void CFFL_InteractiveFormFiller::ReplaceSelection(CPDFSDK_Annot* pAnnot, |
| const WideString& text) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| if (!pFormField) |
| return; |
| |
| pFormField->ReplaceSelection(text); |
| } |
| |
| bool CFFL_InteractiveFormFiller::SelectAllText(CPDFSDK_Annot* pAnnot) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pAnnot && pFormField->SelectAllText(); |
| } |
| |
| bool CFFL_InteractiveFormFiller::CanUndo(CPDFSDK_Annot* pAnnot) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField && pFormField->CanUndo(); |
| } |
| |
| bool CFFL_InteractiveFormFiller::CanRedo(CPDFSDK_Annot* pAnnot) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField && pFormField->CanRedo(); |
| } |
| |
| bool CFFL_InteractiveFormFiller::Undo(CPDFSDK_Annot* pAnnot) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField && pFormField->Undo(); |
| } |
| |
| bool CFFL_InteractiveFormFiller::Redo(CPDFSDK_Annot* pAnnot) { |
| DCHECK_EQ(pAnnot->GetPDFAnnot()->GetSubtype(), CPDF_Annot::Subtype::WIDGET); |
| CFFL_FormField* pFormField = GetFormField(pAnnot); |
| return pFormField && pFormField->Redo(); |
| } |
| |
| void CFFL_InteractiveFormFiller::UnregisterFormField(CPDFSDK_Annot* pAnnot) { |
| auto it = m_Map.find(pAnnot); |
| if (it == m_Map.end()) |
| return; |
| |
| m_Map.erase(it); |
| } |
| |
| void CFFL_InteractiveFormFiller::QueryWherePopup( |
| const IPWL_SystemHandler::PerWindowData* pAttached, |
| float fPopupMin, |
| float fPopupMax, |
| bool* bBottom, |
| float* fPopupRet) { |
| auto* pData = static_cast<const CFFL_PrivateData*>(pAttached); |
| CPDFSDK_Widget* pWidget = pData->GetWidget(); |
| CPDF_Page* pPage = pWidget->GetPDFPage(); |
| |
| CFX_FloatRect rcPageView(0, pPage->GetPageHeight(), pPage->GetPageWidth(), 0); |
| rcPageView.Normalize(); |
| |
| CFX_FloatRect rcAnnot = pWidget->GetRect(); |
| float fTop = 0.0f; |
| float fBottom = 0.0f; |
| switch (pWidget->GetRotate() / 90) { |
| default: |
| case 0: |
| fTop = rcPageView.top - rcAnnot.top; |
| fBottom = rcAnnot.bottom - rcPageView.bottom; |
| break; |
| case 1: |
| fTop = rcAnnot.left - rcPageView.left; |
| fBottom = rcPageView.right - rcAnnot.right; |
| break; |
| case 2: |
| fTop = rcAnnot.bottom - rcPageView.bottom; |
| fBottom = rcPageView.top - rcAnnot.top; |
| break; |
| case 3: |
| fTop = rcPageView.right - rcAnnot.right; |
| fBottom = rcAnnot.left - rcPageView.left; |
| break; |
| } |
| |
| constexpr float kMaxListBoxHeight = 140; |
| const float fMaxListBoxHeight = |
| pdfium::clamp(kMaxListBoxHeight, fPopupMin, fPopupMax); |
| |
| if (fBottom > fMaxListBoxHeight) { |
| *fPopupRet = fMaxListBoxHeight; |
| *bBottom = true; |
| return; |
| } |
| |
| if (fTop > fMaxListBoxHeight) { |
| *fPopupRet = fMaxListBoxHeight; |
| *bBottom = false; |
| return; |
| } |
| |
| if (fTop > fBottom) { |
| *fPopupRet = fTop; |
| *bBottom = false; |
| } else { |
| *fPopupRet = fBottom; |
| *bBottom = true; |
| } |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnKeyStrokeCommit( |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return true; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->GetAAction(CPDF_AAction::kKeyStroke).GetDict()) |
| return true; |
| |
| DCHECK(pPageView); |
| m_bNotifying = true; |
| pWidget->ClearAppModified(); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| fa.bWillCommit = true; |
| fa.bKeyDown = true; |
| fa.bRC = true; |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| pFormField->GetActionData(pPageView, CPDF_AAction::kKeyStroke, fa); |
| pFormField->SavePWLWindowState(pPageView); |
| pWidget->OnAAction(CPDF_AAction::kKeyStroke, &fa, pPageView); |
| if (!pAnnot->HasObservable()) |
| return true; |
| |
| m_bNotifying = false; |
| return fa.bRC; |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnValidate(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return true; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->GetAAction(CPDF_AAction::kValidate).GetDict()) |
| return true; |
| |
| DCHECK(pPageView); |
| m_bNotifying = true; |
| pWidget->ClearAppModified(); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| fa.bKeyDown = true; |
| fa.bRC = true; |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| pFormField->GetActionData(pPageView, CPDF_AAction::kValidate, fa); |
| pFormField->SavePWLWindowState(pPageView); |
| pWidget->OnAAction(CPDF_AAction::kValidate, &fa, pPageView); |
| if (!pAnnot->HasObservable()) |
| return true; |
| |
| m_bNotifying = false; |
| return fa.bRC; |
| } |
| |
| void CFFL_InteractiveFormFiller::OnCalculate(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (pWidget) { |
| CPDFSDK_InteractiveForm* pForm = |
| pPageView->GetFormFillEnv()->GetInteractiveForm(); |
| pForm->OnCalculate(pWidget->GetFormField()); |
| } |
| m_bNotifying = false; |
| } |
| |
| void CFFL_InteractiveFormFiller::OnFormat(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| DCHECK(pWidget); |
| CPDFSDK_InteractiveForm* pForm = |
| pPageView->GetFormFillEnv()->GetInteractiveForm(); |
| |
| Optional<WideString> sValue = pForm->OnFormat(pWidget->GetFormField()); |
| if (!pAnnot->HasObservable()) |
| return; |
| |
| if (sValue.has_value()) { |
| pForm->ResetFieldAppearance(pWidget->GetFormField(), sValue); |
| pForm->UpdateField(pWidget->GetFormField()); |
| } |
| |
| m_bNotifying = false; |
| } |
| |
| #ifdef PDF_ENABLE_XFA |
| bool CFFL_InteractiveFormFiller::OnClick(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return false; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->HasXFAAAction(PDFSDK_XFA_Click)) |
| return false; |
| |
| m_bNotifying = true; |
| uint32_t nAge = pWidget->GetAppearanceAge(); |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| |
| pWidget->OnXFAAAction(PDFSDK_XFA_Click, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable() || !IsValidAnnot(pPageView, pWidget)) |
| return true; |
| if (nAge == pWidget->GetAppearanceAge()) |
| return false; |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| return false; |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnFull(ObservedPtr<CPDFSDK_Widget>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return false; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->HasXFAAAction(PDFSDK_XFA_Full)) |
| return false; |
| |
| m_bNotifying = true; |
| uint32_t nAge = pWidget->GetAppearanceAge(); |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| |
| pWidget->OnXFAAAction(PDFSDK_XFA_Full, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable() || !IsValidAnnot(pPageView, pWidget)) |
| return true; |
| if (nAge == pWidget->GetAppearanceAge()) |
| return false; |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| return true; |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnPreOpen(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return false; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->HasXFAAAction(PDFSDK_XFA_PreOpen)) |
| return false; |
| |
| m_bNotifying = true; |
| uint32_t nAge = pWidget->GetAppearanceAge(); |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| |
| pWidget->OnXFAAAction(PDFSDK_XFA_PreOpen, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable() || !IsValidAnnot(pPageView, pWidget)) |
| return true; |
| if (nAge == pWidget->GetAppearanceAge()) |
| return false; |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| return true; |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnPostOpen(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| const CPDFSDK_PageView* pPageView, |
| uint32_t nFlag) { |
| if (m_bNotifying) |
| return false; |
| |
| CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot->Get()); |
| if (!pWidget->HasXFAAAction(PDFSDK_XFA_PostOpen)) |
| return false; |
| |
| m_bNotifying = true; |
| uint32_t nAge = pWidget->GetAppearanceAge(); |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| |
| pWidget->OnXFAAAction(PDFSDK_XFA_PostOpen, &fa, pPageView); |
| m_bNotifying = false; |
| if (!pAnnot->HasObservable() || !IsValidAnnot(pPageView, pWidget)) |
| return true; |
| |
| if (nAge == pWidget->GetAppearanceAge()) |
| return false; |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget); |
| if (pFormField) |
| pFormField->ResetPWLWindowForValueAge(pPageView, pWidget, nValueAge); |
| return true; |
| } |
| #endif // PDF_ENABLE_XFA |
| |
| // static |
| bool CFFL_InteractiveFormFiller::IsValidAnnot(const CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot) { |
| return pPageView && pPageView->IsValidAnnot(pAnnot->GetPDFAnnot()); |
| } |
| |
| std::pair<bool, bool> CFFL_InteractiveFormFiller::OnBeforeKeyStroke( |
| const IPWL_SystemHandler::PerWindowData* pAttached, |
| WideString& strChange, |
| const WideString& strChangeEx, |
| int nSelStart, |
| int nSelEnd, |
| bool bKeyDown, |
| uint32_t nFlag) { |
| // Copy out of private data since the window owning it may not survive. |
| auto* pPrivateData = static_cast<const CFFL_PrivateData*>(pAttached); |
| const CPDFSDK_PageView* pPageView = pPrivateData->GetPageView(); |
| ObservedPtr<CPDFSDK_Widget> pWidget(pPrivateData->GetWidget()); |
| DCHECK(pWidget); |
| |
| CFFL_FormField* pFormField = GetFormField(pWidget.Get()); |
| |
| #ifdef PDF_ENABLE_XFA |
| if (pFormField->IsFieldFull(pPageView)) { |
| if (OnFull(&pWidget, pPageView, nFlag) || !pWidget) |
| return {true, true}; |
| } |
| #endif // PDF_ENABLE_XFA |
| |
| if (m_bNotifying || |
| !pWidget->GetAAction(CPDF_AAction::kKeyStroke).GetDict()) { |
| return {true, false}; |
| } |
| |
| AutoRestorer<bool> restorer(&m_bNotifying); |
| m_bNotifying = true; |
| |
| uint32_t nAge = pWidget->GetAppearanceAge(); |
| uint32_t nValueAge = pWidget->GetValueAge(); |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv(); |
| |
| CPDFSDK_FieldAction fa; |
| fa.bModifier = CPWL_Wnd::IsCTRLKeyDown(nFlag); |
| fa.bShift = CPWL_Wnd::IsSHIFTKeyDown(nFlag); |
| fa.sChange = strChange; |
| fa.sChangeEx = strChangeEx; |
| fa.bKeyDown = bKeyDown; |
| fa.bWillCommit = false; |
| fa.bRC = true; |
| fa.nSelStart = nSelStart; |
| fa.nSelEnd = nSelEnd; |
| pFormField->GetActionData(pPageView, CPDF_AAction::kKeyStroke, fa); |
| pFormField->SavePWLWindowState(pPageView); |
| |
| bool action_status = |
| pWidget->OnAAction(CPDF_AAction::kKeyStroke, &fa, pPageView); |
| |
| if (!pWidget || !IsValidAnnot(pPageView, pWidget.Get())) { |
| return {true, true}; |
| } |
| if (!action_status) |
| return {true, false}; |
| |
| bool bExit = false; |
| if (nAge != pWidget->GetAppearanceAge()) { |
| CPWL_Wnd* pWnd = pFormField->ResetPWLWindowForValueAge( |
| pPageView, pWidget.Get(), nValueAge); |
| if (!pWnd) |
| return {true, true}; |
| |
| pPrivateData = |
| static_cast<const CFFL_PrivateData*>(pWnd->GetAttachedData()); |
| pWidget.Reset(pPrivateData->GetWidget()); |
| pPageView = pPrivateData->GetPageView(); |
| bExit = true; |
| } |
| if (fa.bRC) { |
| pFormField->SetActionData(pPageView, CPDF_AAction::kKeyStroke, fa); |
| } else { |
| pFormField->RecreatePWLWindowFromSavedState(pPageView); |
| } |
| if (pFormFillEnv->GetFocusAnnot() == pWidget) |
| return {false, bExit}; |
| |
| pFormField->CommitData(pPageView, nFlag); |
| return {false, true}; |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnPopupPreOpen( |
| const IPWL_SystemHandler::PerWindowData* pAttached, |
| uint32_t nFlag) { |
| #ifdef PDF_ENABLE_XFA |
| auto* pData = static_cast<const CFFL_PrivateData*>(pAttached); |
| DCHECK(pData->GetWidget()); |
| |
| ObservedPtr<CPDFSDK_Annot> pObserved(pData->GetWidget()); |
| return OnPreOpen(&pObserved, pData->GetPageView(), nFlag) || !pObserved; |
| #else |
| return false; |
| #endif |
| } |
| |
| bool CFFL_InteractiveFormFiller::OnPopupPostOpen( |
| const IPWL_SystemHandler::PerWindowData* pAttached, |
| uint32_t nFlag) { |
| #ifdef PDF_ENABLE_XFA |
| auto* pData = static_cast<const CFFL_PrivateData*>(pAttached); |
| DCHECK(pData->GetWidget()); |
| |
| ObservedPtr<CPDFSDK_Annot> pObserved(pData->GetWidget()); |
| return OnPostOpen(&pObserved, pData->GetPageView(), nFlag) || !pObserved; |
| #else |
| return false; |
| #endif |
| } |
