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// 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.
#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 {
explicit CPDFSDK_Annot(CPDFSDK_PageView* pPageView);
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;
virtual bool IsSignatureWidget() const;
virtual CFX_FloatRect GetRect() const;
virtual void SetRect(const CFX_FloatRect& rect);
// 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(); }
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;