1 files changed, 106 insertions, 0 deletions
diff --git a/fpdfsdk/javascript/JS_GlobalData.h b/fpdfsdk/javascript/JS_GlobalData.h
new file mode 100644
index 0000000000..28833d8c12
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+++ b/fpdfsdk/javascript/JS_GlobalData.h
@@ -0,0 +1,106 @@
+// Copyright 2014 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 FPDFSDK_JAVASCRIPT_JS_GLOBALDATA_H_
+#define FPDFSDK_JAVASCRIPT_JS_GLOBALDATA_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+
+#define JS_GLOBALDATA_TYPE_NUMBER 0
+#define JS_GLOBALDATA_TYPE_BOOLEAN 1
+#define JS_GLOBALDATA_TYPE_STRING 2
+#define JS_GLOBALDATA_TYPE_OBJECT 3
+#define JS_GLOBALDATA_TYPE_NULL 4
+
+class CJS_KeyValue;
+class CPDFDoc_Environment;
+
+class CJS_GlobalVariableArray {
+ public:
+  CJS_GlobalVariableArray();
+  virtual ~CJS_GlobalVariableArray();
+
+  void Add(CJS_KeyValue* p);
+  int Count() const;
+  CJS_KeyValue* GetAt(int index) const;
+  void Copy(const CJS_GlobalVariableArray& array);
+
+  void Empty();
+
+ private:
+  CFX_ArrayTemplate<CJS_KeyValue*> array;
+};
+
+class CJS_KeyValue {
+ public:
+  CJS_KeyValue() {}
+  virtual ~CJS_KeyValue() {}
+
+  CFX_ByteString sKey;
+  int nType;  // 0:int 1:bool 2:string 3:obj
+  double dData;
+  bool bData;
+  CFX_ByteString sData;
+  CJS_GlobalVariableArray objData;
+};
+
+class CJS_GlobalData_Element {
+ public:
+  CJS_GlobalData_Element() {}
+  virtual ~CJS_GlobalData_Element() {}
+
+  CJS_KeyValue data;
+  FX_BOOL bPersistent;
+};
+
+class CJS_GlobalData {
+ public:
+  static CJS_GlobalData* GetRetainedInstance(CPDFDoc_Environment* pApp);
+  void Release();
+
+  void SetGlobalVariableNumber(const FX_CHAR* propname, double dData);
+  void SetGlobalVariableBoolean(const FX_CHAR* propname, bool bData);
+  void SetGlobalVariableString(const FX_CHAR* propname,
+                               const CFX_ByteString& sData);
+  void SetGlobalVariableObject(const FX_CHAR* propname,
+                               const CJS_GlobalVariableArray& array);
+  void SetGlobalVariableNull(const FX_CHAR* propname);
+
+  FX_BOOL SetGlobalVariablePersistent(const FX_CHAR* propname,
+                                      FX_BOOL bPersistent);
+  FX_BOOL DeleteGlobalVariable(const FX_CHAR* propname);
+
+  int32_t GetSize() const;
+  CJS_GlobalData_Element* GetAt(int index) const;
+
+ private:
+  static CJS_GlobalData* g_Instance;
+
+  CJS_GlobalData();
+  ~CJS_GlobalData();
+
+  void LoadGlobalPersistentVariables();
+  void SaveGlobalPersisitentVariables();
+
+  CJS_GlobalData_Element* GetGlobalVariable(const FX_CHAR* propname);
+  int FindGlobalVariable(const FX_CHAR* propname);
+
+  void LoadFileBuffer(const FX_WCHAR* sFilePath,
+                      uint8_t*& pBuffer,
+                      int32_t& nLength);
+  void WriteFileBuffer(const FX_WCHAR* sFilePath,
+                       const FX_CHAR* pBuffer,
+                       int32_t nLength);
+  void MakeByteString(const CFX_ByteString& name,
+                      CJS_KeyValue* pData,
+                      CFX_BinaryBuf& sData);
+
+  size_t m_RefCount;
+  CFX_ArrayTemplate<CJS_GlobalData_Element*> m_arrayGlobalData;
+  CFX_WideString m_sFilePath;
+};
+
+#endif  // FPDFSDK_JAVASCRIPT_JS_GLOBALDATA_H_