1 // Copyright 2016 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef FPDFSDK_CPDFSDK_ANNOTITERATOR_H_
8 #define FPDFSDK_CPDFSDK_ANNOTITERATOR_H_
9 
10 #include <vector>
11 
12 #include "core/fpdfdoc/cpdf_annot.h"
13 #include "core/fxcrt/fx_coordinates.h"
14 #include "core/fxcrt/fx_string.h"
15 #include "core/fxcrt/unowned_ptr.h"
16 
17 class CPDFSDK_Annot;
18 class CPDFSDK_PageView;
19 
20 class CPDFSDK_AnnotIterator {
21  public:
22   enum TabOrder : uint8_t { STRUCTURE = 0, ROW, COLUMN };
23 
24   CPDFSDK_AnnotIterator(CPDFSDK_PageView* pPageView,
25                         CPDF_Annot::Subtype nAnnotSubtype);
26   ~CPDFSDK_AnnotIterator();
27 
28   CPDFSDK_Annot* GetFirstAnnot();
29   CPDFSDK_Annot* GetLastAnnot();
30   CPDFSDK_Annot* GetNextAnnot(CPDFSDK_Annot* pAnnot);
31   CPDFSDK_Annot* GetPrevAnnot(CPDFSDK_Annot* pAnnot);
32 
33  private:
34   void GenerateResults();
35   void CollectAnnots(std::vector<CPDFSDK_Annot*>* pArray);
36   CFX_FloatRect AddToAnnotsList(std::vector<CPDFSDK_Annot*>* sa, size_t idx);
37   void AddSelectedToAnnots(std::vector<CPDFSDK_Annot*>* sa,
38                            std::vector<size_t>* aSelect);
39 
40   UnownedPtr<CPDFSDK_PageView> const m_pPageView;
41   CPDF_Annot::Subtype m_nAnnotSubtype;
42   const TabOrder m_eTabOrder;
43   std::vector<CPDFSDK_Annot*> m_Annots;
44 };
45 
46 #endif  // FPDFSDK_CPDFSDK_ANNOTITERATOR_H_
47