| // 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_baannot.h" |
| |
| #include <vector> |
| |
| #include "constants/annotation_common.h" |
| #include "constants/annotation_flags.h" |
| #include "constants/form_fields.h" |
| #include "core/fpdfapi/parser/cpdf_array.h" |
| #include "core/fpdfapi/parser/cpdf_dictionary.h" |
| #include "core/fpdfapi/parser/cpdf_name.h" |
| #include "core/fpdfapi/parser/cpdf_number.h" |
| #include "core/fpdfapi/parser/cpdf_reference.h" |
| #include "core/fpdfapi/parser/cpdf_stream.h" |
| #include "core/fpdfapi/parser/cpdf_string.h" |
| #include "core/fpdfapi/parser/fpdf_parser_decode.h" |
| #include "core/fpdfapi/parser/fpdf_parser_utility.h" |
| #include "core/fxge/cfx_drawutils.h" |
| #include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
| #include "fpdfsdk/cpdfsdk_pageview.h" |
| #include "third_party/base/check.h" |
| #include "third_party/base/containers/contains.h" |
| |
| CPDFSDK_BAAnnot::CPDFSDK_BAAnnot(CPDF_Annot* pAnnot, |
| CPDFSDK_PageView* pPageView) |
| : CPDFSDK_Annot(pPageView), m_pAnnot(pAnnot) {} |
| |
| CPDFSDK_BAAnnot::~CPDFSDK_BAAnnot() = default; |
| |
| CPDFSDK_BAAnnot* CPDFSDK_BAAnnot::AsBAAnnot() { |
| return this; |
| } |
| |
| CPDFSDK_Annot::UnsafeInputHandlers* CPDFSDK_BAAnnot::GetUnsafeInputHandlers() { |
| return this; |
| } |
| |
| CPDF_Annot* CPDFSDK_BAAnnot::GetPDFAnnot() const { |
| return m_pAnnot.Get(); |
| } |
| |
| CPDF_Annot* CPDFSDK_BAAnnot::GetPDFPopupAnnot() const { |
| return m_pAnnot->GetPopupAnnot(); |
| } |
| |
| CPDF_Dictionary* CPDFSDK_BAAnnot::GetAnnotDict() const { |
| return m_pAnnot->GetAnnotDict(); |
| } |
| |
| CPDF_Dictionary* CPDFSDK_BAAnnot::GetAPDict() const { |
| return GetOrCreateDict(GetAnnotDict(), pdfium::annotation::kAP); |
| } |
| |
| void CPDFSDK_BAAnnot::ClearCachedAnnotAP() { |
| m_pAnnot->ClearCachedAP(); |
| } |
| |
| bool CPDFSDK_BAAnnot::IsFocusableAnnot( |
| const CPDF_Annot::Subtype& annot_type) const { |
| return pdfium::Contains( |
| m_pPageView->GetFormFillEnv()->GetFocusableAnnotSubtypes(), annot_type); |
| } |
| |
| CFX_FloatRect CPDFSDK_BAAnnot::GetRect() const { |
| return m_pAnnot->GetRect(); |
| } |
| |
| CPDF_Annot::Subtype CPDFSDK_BAAnnot::GetAnnotSubtype() const { |
| return m_pAnnot->GetSubtype(); |
| } |
| |
| void CPDFSDK_BAAnnot::DrawAppearance(CFX_RenderDevice* pDevice, |
| const CFX_Matrix& mtUser2Device, |
| CPDF_Annot::AppearanceMode mode) { |
| m_pAnnot->DrawAppearance(m_pPageView->GetPDFPage(), pDevice, mtUser2Device, |
| mode); |
| } |
| |
| bool CPDFSDK_BAAnnot::IsAppearanceValid() { |
| return !!GetAnnotDict()->GetDictFor(pdfium::annotation::kAP); |
| } |
| |
| void CPDFSDK_BAAnnot::SetAnnotName(const WideString& sName) { |
| CPDF_Dictionary* pDict = GetAnnotDict(); |
| if (sName.IsEmpty()) { |
| pDict->RemoveFor(pdfium::annotation::kNM); |
| return; |
| } |
| pDict->SetNewFor<CPDF_String>(pdfium::annotation::kNM, sName.AsStringView()); |
| } |
| |
| WideString CPDFSDK_BAAnnot::GetAnnotName() const { |
| return GetAnnotDict()->GetUnicodeTextFor(pdfium::annotation::kNM); |
| } |
| |
| void CPDFSDK_BAAnnot::SetFlags(uint32_t nFlags) { |
| GetAnnotDict()->SetNewFor<CPDF_Number>(pdfium::annotation::kF, |
| static_cast<int>(nFlags)); |
| } |
| |
| uint32_t CPDFSDK_BAAnnot::GetFlags() const { |
| return GetAnnotDict()->GetIntegerFor(pdfium::annotation::kF); |
| } |
| |
| void CPDFSDK_BAAnnot::SetAppStateOff() { |
| CPDF_Dictionary* pDict = GetAnnotDict(); |
| pDict->SetNewFor<CPDF_String>(pdfium::annotation::kAS, "Off", false); |
| } |
| |
| ByteString CPDFSDK_BAAnnot::GetAppState() const { |
| return GetAnnotDict()->GetStringFor(pdfium::annotation::kAS); |
| } |
| |
| void CPDFSDK_BAAnnot::SetBorderWidth(int nWidth) { |
| CPDF_Array* pBorder = |
| GetAnnotDict()->GetArrayFor(pdfium::annotation::kBorder); |
| if (pBorder) { |
| pBorder->SetNewAt<CPDF_Number>(2, nWidth); |
| } else { |
| CPDF_Dictionary* pBSDict = GetOrCreateDict(GetAnnotDict(), "BS"); |
| pBSDict->SetNewFor<CPDF_Number>("W", nWidth); |
| } |
| } |
| |
| int CPDFSDK_BAAnnot::GetBorderWidth() const { |
| if (const CPDF_Array* pBorder = |
| GetAnnotDict()->GetArrayFor(pdfium::annotation::kBorder)) { |
| return pBorder->GetIntegerAt(2); |
| } |
| |
| if (CPDF_Dictionary* pBSDict = GetAnnotDict()->GetDictFor("BS")) |
| return pBSDict->GetIntegerFor("W", 1); |
| |
| return 1; |
| } |
| |
| void CPDFSDK_BAAnnot::SetBorderStyle(BorderStyle nStyle) { |
| CPDF_Dictionary* pBSDict = GetOrCreateDict(GetAnnotDict(), "BS"); |
| const char* name = nullptr; |
| switch (nStyle) { |
| case BorderStyle::kSolid: |
| name = "S"; |
| break; |
| case BorderStyle::kDash: |
| name = "D"; |
| break; |
| case BorderStyle::kBeveled: |
| name = "B"; |
| break; |
| case BorderStyle::kInset: |
| name = "I"; |
| break; |
| case BorderStyle::kUnderline: |
| name = "U"; |
| break; |
| default: |
| return; |
| } |
| pBSDict->SetNewFor<CPDF_Name>("S", name); |
| } |
| |
| BorderStyle CPDFSDK_BAAnnot::GetBorderStyle() const { |
| CPDF_Dictionary* pBSDict = GetAnnotDict()->GetDictFor("BS"); |
| if (pBSDict) { |
| ByteString sBorderStyle = pBSDict->GetStringFor("S", "S"); |
| if (sBorderStyle == "S") |
| return BorderStyle::kSolid; |
| if (sBorderStyle == "D") |
| return BorderStyle::kDash; |
| if (sBorderStyle == "B") |
| return BorderStyle::kBeveled; |
| if (sBorderStyle == "I") |
| return BorderStyle::kInset; |
| if (sBorderStyle == "U") |
| return BorderStyle::kUnderline; |
| } |
| |
| const CPDF_Array* pBorder = |
| GetAnnotDict()->GetArrayFor(pdfium::annotation::kBorder); |
| if (pBorder) { |
| if (pBorder->size() >= 4) { |
| const CPDF_Array* pDP = pBorder->GetArrayAt(3); |
| if (pDP && pDP->size() > 0) |
| return BorderStyle::kDash; |
| } |
| } |
| |
| return BorderStyle::kSolid; |
| } |
| |
| bool CPDFSDK_BAAnnot::IsVisible() const { |
| uint32_t nFlags = GetFlags(); |
| return !((nFlags & pdfium::annotation_flags::kInvisible) || |
| (nFlags & pdfium::annotation_flags::kHidden) || |
| (nFlags & pdfium::annotation_flags::kNoView)); |
| } |
| |
| CPDF_Action CPDFSDK_BAAnnot::GetAction() const { |
| return CPDF_Action(GetAnnotDict()->GetDictFor("A")); |
| } |
| |
| CPDF_AAction CPDFSDK_BAAnnot::GetAAction() const { |
| return CPDF_AAction(GetAnnotDict()->GetDictFor(pdfium::form_fields::kAA)); |
| } |
| |
| CPDF_Action CPDFSDK_BAAnnot::GetAAction(CPDF_AAction::AActionType eAAT) { |
| CPDF_AAction AAction = GetAAction(); |
| if (AAction.ActionExist(eAAT)) |
| return AAction.GetAction(eAAT); |
| |
| if (eAAT == CPDF_AAction::kButtonUp || eAAT == CPDF_AAction::kKeyStroke) |
| return GetAction(); |
| |
| return CPDF_Action(nullptr); |
| } |
| |
| void CPDFSDK_BAAnnot::SetOpenState(bool bOpenState) { |
| if (CPDF_Annot* pAnnot = m_pAnnot->GetPopupAnnot()) |
| pAnnot->SetOpenState(bOpenState); |
| } |
| |
| void CPDFSDK_BAAnnot::UpdateAnnotRects() { |
| std::vector<CFX_FloatRect> rects; |
| rects.push_back(GetRect()); |
| CPDF_Annot* popup = GetPDFPopupAnnot(); |
| if (popup) |
| rects.push_back(popup->GetRect()); |
| |
| // Make the rects round up to avoid https://crbug.com/662804 |
| for (CFX_FloatRect& rect : rects) |
| rect.Inflate(1, 1); |
| |
| GetPageView()->UpdateRects(rects); |
| } |
| |
| void CPDFSDK_BAAnnot::InvalidateRect() { |
| CFX_FloatRect view_bounding_box = GetViewBBox(); |
| if (view_bounding_box.IsEmpty()) |
| return; |
| |
| view_bounding_box.Inflate(1, 1); |
| view_bounding_box.Normalize(); |
| FX_RECT rect = view_bounding_box.GetOuterRect(); |
| m_pPageView->GetFormFillEnv()->Invalidate(GetPage(), rect); |
| } |
| |
| int CPDFSDK_BAAnnot::GetLayoutOrder() const { |
| if (m_pAnnot->GetSubtype() == CPDF_Annot::Subtype::POPUP) |
| return 1; |
| |
| return CPDFSDK_Annot::GetLayoutOrder(); |
| } |
| |
| void CPDFSDK_BAAnnot::OnDraw(CFX_RenderDevice* pDevice, |
| const CFX_Matrix& mtUser2Device, |
| bool bDrawAnnots) { |
| if (!IsVisible()) |
| return; |
| |
| const CPDF_Annot::Subtype annot_type = GetAnnotSubtype(); |
| if (bDrawAnnots && annot_type == CPDF_Annot::Subtype::POPUP) { |
| DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::AppearanceMode::kNormal); |
| return; |
| } |
| |
| if (!is_focused_ || !IsFocusableAnnot(annot_type) || |
| this != m_pPageView->GetFormFillEnv()->GetFocusAnnot()) { |
| return; |
| } |
| |
| CFX_FloatRect view_bounding_box = GetViewBBox(); |
| if (view_bounding_box.IsEmpty()) |
| return; |
| |
| view_bounding_box.Normalize(); |
| CFX_DrawUtils::DrawFocusRect(pDevice, mtUser2Device, view_bounding_box); |
| } |
| |
| bool CPDFSDK_BAAnnot::DoHitTest(const CFX_PointF& point) { |
| return false; |
| } |
| |
| CFX_FloatRect CPDFSDK_BAAnnot::GetViewBBox() { |
| return GetRect(); |
| } |
| |
| void CPDFSDK_BAAnnot::OnMouseEnter(Mask<FWL_EVENTFLAG> nFlags) { |
| SetOpenState(true); |
| UpdateAnnotRects(); |
| } |
| |
| void CPDFSDK_BAAnnot::OnMouseExit(Mask<FWL_EVENTFLAG> nFlags) { |
| SetOpenState(false); |
| UpdateAnnotRects(); |
| } |
| |
| bool CPDFSDK_BAAnnot::OnLButtonDown(Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnLButtonUp(Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnLButtonDblClk(Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnMouseMove(Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnMouseWheel(Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point, |
| const CFX_Vector& delta) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnRButtonDown(Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnRButtonUp(Mask<FWL_EVENTFLAG> nFlags, |
| const CFX_PointF& point) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnChar(uint32_t nChar, Mask<FWL_EVENTFLAG> nFlags) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnKeyDown(FWL_VKEYCODE nKeyCode, |
| Mask<FWL_EVENTFLAG> nFlags) { |
| // 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 || |
| GetAnnotSubtype() != CPDF_Annot::Subtype::LINK) { |
| return false; |
| } |
| |
| CPDF_Action action = GetAAction(CPDF_AAction::kKeyStroke); |
| CPDFSDK_FormFillEnvironment* env = m_pPageView->GetFormFillEnv(); |
| if (action.GetDict()) { |
| return env->DoActionLink(action, CPDF_AAction::kKeyStroke, nFlags); |
| } |
| |
| return env->DoActionDestination(GetDestination()); |
| } |
| |
| bool CPDFSDK_BAAnnot::OnSetFocus(Mask<FWL_EVENTFLAG> nFlags) { |
| if (!IsFocusableAnnot(GetAnnotSubtype())) |
| return false; |
| |
| is_focused_ = true; |
| InvalidateRect(); |
| return true; |
| } |
| |
| bool CPDFSDK_BAAnnot::OnKillFocus(Mask<FWL_EVENTFLAG> nFlags) { |
| if (!IsFocusableAnnot(GetAnnotSubtype())) |
| return false; |
| |
| is_focused_ = false; |
| InvalidateRect(); |
| return true; |
| } |
| |
| bool CPDFSDK_BAAnnot::CanUndo() { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::CanRedo() { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::Undo() { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::Redo() { |
| return false; |
| } |
| |
| WideString CPDFSDK_BAAnnot::GetText() { |
| return WideString(); |
| } |
| |
| WideString CPDFSDK_BAAnnot::GetSelectedText() { |
| return WideString(); |
| } |
| |
| void CPDFSDK_BAAnnot::ReplaceSelection(const WideString& text) {} |
| |
| bool CPDFSDK_BAAnnot::SelectAllText() { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::SetIndexSelected(int index, bool selected) { |
| return false; |
| } |
| |
| bool CPDFSDK_BAAnnot::IsIndexSelected(int index) { |
| return false; |
| } |
| |
| CPDF_Dest CPDFSDK_BAAnnot::GetDestination() const { |
| if (m_pAnnot->GetSubtype() != CPDF_Annot::Subtype::LINK) |
| return CPDF_Dest(nullptr); |
| |
| // Link annotations can have "Dest" entry defined as an explicit array. |
| // See ISO 32000-1:2008 spec, section 12.3.2.1. |
| return CPDF_Dest::Create(m_pPageView->GetPDFDocument(), |
| GetAnnotDict()->GetDirectObjectFor("Dest")); |
| } |