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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_FPDFDOC_CPDF_VIEWERPREFERENCES_H_
8 #define CORE_FPDFDOC_CPDF_VIEWERPREFERENCES_H_
9 
10 #include "core/fxcrt/fx_string.h"
11 #include "core/fxcrt/fx_system.h"
12 #include "core/fxcrt/unowned_ptr.h"
13 
14 class CPDF_Array;
15 class CPDF_Dictionary;
16 class CPDF_Document;
17 
18 class CPDF_ViewerPreferences {
19  public:
20   explicit CPDF_ViewerPreferences(CPDF_Document* pDoc);
21   ~CPDF_ViewerPreferences();
22 
23   bool IsDirectionR2L() const;
24   bool PrintScaling() const;
25   int32_t NumCopies() const;
26   CPDF_Array* PrintPageRange() const;
27   ByteString Duplex() const;
28 
29   // Gets the entry for |bsKey|. If the entry exists and it is of type name,
30   // then this method writes the value into |bsVal| and returns true. Otherwise
31   // returns false and |bsVal| is untouched. |bsVal| must not be NULL.
32   bool GenericName(const ByteString& bsKey, ByteString* bsVal) const;
33 
34  private:
35   CPDF_Dictionary* GetViewerPreferences() const;
36 
37   UnownedPtr<CPDF_Document> const m_pDoc;
38 };
39 
40 #endif  // CORE_FPDFDOC_CPDF_VIEWERPREFERENCES_H_
41