| // 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 |
| |
| #ifndef FPDFSDK_CPDFSDK_ANNOT_H_ |
| #define FPDFSDK_CPDFSDK_ANNOT_H_ |
| |
| #include "core/fpdfdoc/cpdf_annot.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/observed_ptr.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| |
| class CPDF_Page; |
| class CPDFSDK_BAAnnot; |
| class CPDFSDK_PageView; |
| class CPDFXFA_Widget; |
| class IPDF_Page; |
| |
| class CPDFSDK_Annot : public Observable { |
| public: |
| virtual ~CPDFSDK_Annot(); |
| |
| virtual CPDFSDK_BAAnnot* AsBAAnnot(); |
| virtual CPDFXFA_Widget* AsXFAWidget(); |
| |
| virtual int GetLayoutOrder() const; |
| virtual CPDF_Annot* GetPDFAnnot() const; |
| virtual CPDF_Annot::Subtype GetAnnotSubtype() const = 0; |
| virtual CFX_FloatRect GetRect() const = 0; |
| |
| // Three cases: PDF page only, XFA page only, or XFA page backed by PDF page. |
| IPDF_Page* GetPage(); // Returns XFA Page if possible, else PDF page. |
| CPDF_Page* GetPDFPage(); // Returns PDF page or nullptr. |
| IPDF_Page* GetXFAPage(); // Returns XFA page or nullptr. |
| |
| // Never returns nullptr. |
| CPDFSDK_PageView* GetPageView() const { return m_pPageView.Get(); } |
| |
| protected: |
| explicit CPDFSDK_Annot(CPDFSDK_PageView* pPageView); |
| |
| UnownedPtr<CPDFSDK_PageView> const m_pPageView; |
| }; |
| |
| inline CPDFSDK_BAAnnot* ToBAAnnot(CPDFSDK_Annot* pAnnot) { |
| return pAnnot ? pAnnot->AsBAAnnot() : nullptr; |
| } |
| |
| inline CPDFXFA_Widget* ToXFAWidget(CPDFSDK_Annot* pAnnot) { |
| return pAnnot ? pAnnot->AsXFAWidget() : nullptr; |
| } |
| |
| #endif // FPDFSDK_CPDFSDK_ANNOT_H_ |