1 files changed, 44 insertions, 0 deletions
diff --git a/core/fpdfdoc/cpdf_viewerpreferences.cpp b/core/fpdfdoc/cpdf_viewerpreferences.cpp
new file mode 100644
index 0000000000..4951e5ff5d
--- /dev/null
+++ b/core/fpdfdoc/cpdf_viewerpreferences.cpp
@@ -0,0 +1,44 @@
+// 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
+
+#include "core/fpdfdoc/include/cpdf_viewerpreferences.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+
+CPDF_ViewerPreferences::CPDF_ViewerPreferences(CPDF_Document* pDoc)
+    : m_pDoc(pDoc) {}
+
+CPDF_ViewerPreferences::~CPDF_ViewerPreferences() {}
+
+FX_BOOL CPDF_ViewerPreferences::IsDirectionR2L() const {
+  CPDF_Dictionary* pDict = GetViewerPreferences();
+  return pDict ? pDict->GetStringBy("Direction") == "R2L" : FALSE;
+}
+
+FX_BOOL CPDF_ViewerPreferences::PrintScaling() const {
+  CPDF_Dictionary* pDict = GetViewerPreferences();
+  return pDict ? pDict->GetStringBy("PrintScaling") != "None" : TRUE;
+}
+
+int32_t CPDF_ViewerPreferences::NumCopies() const {
+  CPDF_Dictionary* pDict = GetViewerPreferences();
+  return pDict ? pDict->GetIntegerBy("NumCopies") : 1;
+}
+
+CPDF_Array* CPDF_ViewerPreferences::PrintPageRange() const {
+  CPDF_Dictionary* pDict = GetViewerPreferences();
+  return pDict ? pDict->GetArrayBy("PrintPageRange") : nullptr;
+}
+
+CFX_ByteString CPDF_ViewerPreferences::Duplex() const {
+  CPDF_Dictionary* pDict = GetViewerPreferences();
+  return pDict ? pDict->GetStringBy("Duplex") : CFX_ByteString("None");
+}
+
+CPDF_Dictionary* CPDF_ViewerPreferences::GetViewerPreferences() const {
+  CPDF_Dictionary* pDict = m_pDoc->GetRoot();
+  return pDict ? pDict->GetDictBy("ViewerPreferences") : nullptr;
+}