| // 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_baannothandler.h" |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fpdfapi/page/cpdf_page.h" |
| #include "core/fpdfdoc/cpdf_action.h" |
| #include "core/fpdfdoc/cpdf_interactiveform.h" |
| #include "core/fxge/cfx_drawutils.h" |
| #include "fpdfsdk/cpdfsdk_actionhandler.h" |
| #include "fpdfsdk/cpdfsdk_annot.h" |
| #include "fpdfsdk/cpdfsdk_baannot.h" |
| #include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
| #include "fpdfsdk/cpdfsdk_pageview.h" |
| #include "fpdfsdk/formfiller/cffl_formfield.h" |
| #include "public/fpdf_fwlevent.h" |
| #include "third_party/base/check.h" |
| #include "third_party/base/containers/contains.h" |
| |
| namespace { |
| |
| void UpdateAnnotRects(CPDFSDK_PageView* pPageView, CPDFSDK_BAAnnot* pBAAnnot) { |
| std::vector<CFX_FloatRect> rects; |
| rects.push_back(pBAAnnot->GetRect()); |
| if (CPDF_Annot* pPopupAnnot = pBAAnnot->GetPDFPopupAnnot()) |
| rects.push_back(pPopupAnnot->GetRect()); |
| |
| // Make the rects round up to avoid https://crbug.com/662804 |
| for (CFX_FloatRect& rect : rects) |
| rect.Inflate(1, 1); |
| |
| pPageView->UpdateRects(rects); |
| } |
| |
| } // namespace |
| |
| CPDFSDK_BAAnnotHandler::CPDFSDK_BAAnnotHandler() = default; |
| |
| CPDFSDK_BAAnnotHandler::~CPDFSDK_BAAnnotHandler() = default; |
| |
| void CPDFSDK_BAAnnotHandler::SetFormFillEnvironment( |
| CPDFSDK_FormFillEnvironment* pFormFillEnv) { |
| form_fill_environment_ = pFormFillEnv; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot) { |
| return false; |
| } |
| |
| std::unique_ptr<CPDFSDK_Annot> CPDFSDK_BAAnnotHandler::NewAnnot( |
| CPDF_Annot* pAnnot, |
| CPDFSDK_PageView* pPageView) { |
| return std::make_unique<CPDFSDK_BAAnnot>(pAnnot, pPageView); |
| } |
| |
| void CPDFSDK_BAAnnotHandler::ReleaseAnnot( |
| std::unique_ptr<CPDFSDK_Annot> pAnnot) { |
| // pAnnot deleted by unique_ptr going out of scope. |
| } |
| |
| void CPDFSDK_BAAnnotHandler::OnDraw(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot, |
| CFX_RenderDevice* pDevice, |
| const CFX_Matrix& mtUser2Device, |
| bool bDrawAnnots) { |
| if (pAnnot->AsXFAWidget()) |
| return; |
| |
| if (!pAnnot->AsBAAnnot()->IsVisible()) |
| return; |
| |
| const CPDF_Annot::Subtype annot_type = pAnnot->GetAnnotSubtype(); |
| if (bDrawAnnots && annot_type == CPDF_Annot::Subtype::POPUP) { |
| pAnnot->AsBAAnnot()->DrawAppearance(pDevice, mtUser2Device, |
| CPDF_Annot::Normal, nullptr); |
| return; |
| } |
| |
| if (is_annotation_focused_ && IsFocusableAnnot(annot_type) && |
| pAnnot == form_fill_environment_->GetFocusAnnot()) { |
| CFX_FloatRect view_bounding_box = |
| GetViewBBox(pPageView, pAnnot->AsBAAnnot()); |
| if (view_bounding_box.IsEmpty()) |
| return; |
| |
| view_bounding_box.Normalize(); |
| |
| CFX_DrawUtils::DrawFocusRect(pDevice, mtUser2Device, view_bounding_box); |
| } |
| } |
| |
| void CPDFSDK_BAAnnotHandler::OnMouseEnter(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| CPDFSDK_BAAnnot* pBAAnnot = (*pAnnot)->AsBAAnnot(); |
| pBAAnnot->SetOpenState(true); |
| UpdateAnnotRects(pPageView, pBAAnnot); |
| } |
| |
| void CPDFSDK_BAAnnotHandler::OnMouseExit(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| CPDFSDK_BAAnnot* pBAAnnot = (*pAnnot)->AsBAAnnot(); |
| pBAAnnot->SetOpenState(false); |
| UpdateAnnotRects(pPageView, pBAAnnot); |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnLButtonDown(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnLButtonUp(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnLButtonDblClk(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnMouseMove(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnMouseWheel(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point, |
| const CFX_Vector& delta) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnRButtonDown(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnRButtonUp(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnRButtonDblClk(CPDFSDK_PageView* pPageView, |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot, |
| uint32_t nChar, |
| uint32_t nFlags) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, |
| int nKeyCode, |
| int nFlag) { |
| DCHECK(pAnnot); |
| |
| // OnKeyDown() is implemented only for link annotations for now. As |
| // OnKeyDown() is implemented for other subtypes, following check should be |
| // modified. |
| if (nKeyCode != FWL_VKEY_Return || |
| pAnnot->GetAnnotSubtype() != CPDF_Annot::Subtype::LINK) { |
| return false; |
| } |
| |
| CPDFSDK_BAAnnot* ba_annot = pAnnot->AsBAAnnot(); |
| CPDF_Action action = ba_annot->GetAAction(CPDF_AAction::kKeyStroke); |
| |
| if (action.GetDict()) { |
| return form_fill_environment_->GetActionHandler()->DoAction_Link( |
| action, CPDF_AAction::kKeyStroke, form_fill_environment_.Get(), nFlag); |
| } |
| |
| return form_fill_environment_->GetActionHandler()->DoAction_Destination( |
| ba_annot->GetDestination(), form_fill_environment_.Get()); |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, |
| int nKeyCode, |
| int nFlag) { |
| return false; |
| } |
| |
| void CPDFSDK_BAAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot) {} |
| |
| bool CPDFSDK_BAAnnotHandler::IsFocusableAnnot( |
| const CPDF_Annot::Subtype& annot_type) const { |
| DCHECK(annot_type != CPDF_Annot::Subtype::WIDGET); |
| |
| return pdfium::Contains(form_fill_environment_->GetFocusableAnnotSubtypes(), |
| annot_type); |
| } |
| |
| void CPDFSDK_BAAnnotHandler::InvalidateRect(CPDFSDK_Annot* annot) { |
| CPDFSDK_BAAnnot* ba_annot = annot->AsBAAnnot(); |
| CPDFSDK_PageView* page_view = ba_annot->GetPageView(); |
| CFX_FloatRect view_bounding_box = GetViewBBox(page_view, ba_annot); |
| if (!view_bounding_box.IsEmpty()) { |
| view_bounding_box.Inflate(1, 1); |
| view_bounding_box.Normalize(); |
| FX_RECT rect = view_bounding_box.GetOuterRect(); |
| form_fill_environment_->Invalidate(ba_annot->GetPage(), rect); |
| } |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnSetFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| if (!IsFocusableAnnot(pAnnot->Get()->GetAnnotSubtype())) |
| return false; |
| |
| is_annotation_focused_ = true; |
| InvalidateRect(pAnnot->Get()); |
| return true; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::OnKillFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| uint32_t nFlag) { |
| if (!IsFocusableAnnot(pAnnot->Get()->GetAnnotSubtype())) |
| return false; |
| |
| is_annotation_focused_ = false; |
| InvalidateRect(pAnnot->Get()); |
| return true; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::SetIndexSelected( |
| ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| int index, |
| bool selected) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::IsIndexSelected(ObservedPtr<CPDFSDK_Annot>* pAnnot, |
| int index) { |
| return false; |
| } |
| |
| CFX_FloatRect CPDFSDK_BAAnnotHandler::GetViewBBox(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot) { |
| return pAnnot->GetRect(); |
| } |
| |
| WideString CPDFSDK_BAAnnotHandler::GetText(CPDFSDK_Annot* pAnnot) { |
| return WideString(); |
| } |
| |
| WideString CPDFSDK_BAAnnotHandler::GetSelectedText(CPDFSDK_Annot* pAnnot) { |
| return WideString(); |
| } |
| |
| void CPDFSDK_BAAnnotHandler::ReplaceSelection(CPDFSDK_Annot* pAnnot, |
| const WideString& text) {} |
| |
| bool CPDFSDK_BAAnnotHandler::SelectAllText(CPDFSDK_Annot* pAnnot) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::CanUndo(CPDFSDK_Annot* pAnnot) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::CanRedo(CPDFSDK_Annot* pAnnot) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::Undo(CPDFSDK_Annot* pAnnot) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::Redo(CPDFSDK_Annot* pAnnot) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnotHandler::HitTest(CPDFSDK_PageView* pPageView, |
| CPDFSDK_Annot* pAnnot, |
| const CFX_PointF& point) { |
| DCHECK(pPageView); |
| DCHECK(pAnnot); |
| return GetViewBBox(pPageView, pAnnot).Contains(point); |
| } |