// 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 CORE_FPDFDOC_CPDF_VIEWERPREFERENCES_H_ #define CORE_FPDFDOC_CPDF_VIEWERPREFERENCES_H_ #include "core/fxcrt/fx_string.h" #include "core/fxcrt/fx_system.h" #include "core/fxcrt/unowned_ptr.h" #include "third_party/base/optional.h" class CPDF_Array; class CPDF_Dictionary; class CPDF_Document; class CPDF_ViewerPreferences { public: explicit CPDF_ViewerPreferences(const CPDF_Document* pDoc); ~CPDF_ViewerPreferences(); bool IsDirectionR2L() const; bool PrintScaling() const; int32_t NumCopies() const; const CPDF_Array* PrintPageRange() const; ByteString Duplex() const; // Gets the entry for |bsKey|. Optional<ByteString> GenericName(const ByteString& bsKey) const; private: const CPDF_Dictionary* GetViewerPreferences() const; UnownedPtr<const CPDF_Document> const m_pDoc; }; #endif // CORE_FPDFDOC_CPDF_VIEWERPREFERENCES_H_