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      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 CORE_FPDFAPI_PAGE_CPDF_CONTENTMARK_H_
      8 #define CORE_FPDFAPI_PAGE_CPDF_CONTENTMARK_H_
      9 
     10 #include <vector>
     11 
     12 #include "core/fpdfapi/page/cpdf_contentmarkitem.h"
     13 #include "core/fxcrt/fx_system.h"
     14 #include "core/fxcrt/shared_copy_on_write.h"
     15 
     16 class CPDF_Dictionary;
     17 
     18 class CPDF_ContentMark {
     19  public:
     20   CPDF_ContentMark();
     21   CPDF_ContentMark(const CPDF_ContentMark& that);
     22   ~CPDF_ContentMark();
     23 
     24   int GetMarkedContentID() const;
     25   size_t CountItems() const;
     26   const CPDF_ContentMarkItem& GetItem(size_t i) const;
     27 
     28   void AddMark(const ByteString& name, CPDF_Dictionary* pDict, bool bDirect);
     29   void DeleteLastMark();
     30 
     31   bool HasRef() const { return !!m_Ref; }
     32 
     33  private:
     34   class MarkData : public Retainable {
     35    public:
     36     MarkData();
     37     MarkData(const MarkData& src);
     38     ~MarkData() override;
     39 
     40     size_t CountItems() const;
     41     const CPDF_ContentMarkItem& GetItem(size_t index) const;
     42 
     43     int GetMarkedContentID() const;
     44     void AddMark(const ByteString& name,
     45                  CPDF_Dictionary* pDict,
     46                  bool bDictNeedClone);
     47     void DeleteLastMark();
     48 
     49    private:
     50     std::vector<CPDF_ContentMarkItem> m_Marks;
     51   };
     52 
     53   SharedCopyOnWrite<MarkData> m_Ref;
     54 };
     55 
     56 #endif  // CORE_FPDFAPI_PAGE_CPDF_CONTENTMARK_H_
     57