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      1 // Copyright 2014 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 FPDFSDK_SRC_JAVASCRIPT_GLOBAL_H_
      8 #define FPDFSDK_SRC_JAVASCRIPT_GLOBAL_H_
      9 
     10 #include <map>
     11 
     12 #include "JS_Define.h"
     13 
     14 class CJS_GlobalData;
     15 class CJS_GlobalVariableArray;
     16 class CJS_KeyValue;
     17 
     18 struct JSGlobalData {
     19   JSGlobalData() {
     20     nType = 0;
     21     dData = 0;
     22     bData = FALSE;
     23     sData = "";
     24     bPersistent = FALSE;
     25     bDeleted = FALSE;
     26   }
     27 
     28   ~JSGlobalData() { pData.Reset(); }
     29   int nType;  // 0:int 1:bool 2:string 3:obj
     30   double dData;
     31   bool bData;
     32   CFX_ByteString sData;
     33   v8::Global<v8::Object> pData;
     34   bool bPersistent;
     35   bool bDeleted;
     36 };
     37 
     38 class JSGlobalAlternate : public CJS_EmbedObj {
     39  public:
     40   JSGlobalAlternate(CJS_Object* pJSObject);
     41   ~JSGlobalAlternate() override;
     42 
     43   FX_BOOL setPersistent(IJS_Context* cc,
     44                         const std::vector<CJS_Value>& params,
     45                         CJS_Value& vRet,
     46                         CFX_WideString& sError);
     47   FX_BOOL QueryProperty(const FX_WCHAR* propname);
     48   FX_BOOL DoProperty(IJS_Context* cc,
     49                      const FX_WCHAR* propname,
     50                      CJS_PropValue& vp,
     51                      CFX_WideString& sError);
     52   FX_BOOL DelProperty(IJS_Context* cc,
     53                       const FX_WCHAR* propname,
     54                       CFX_WideString& sError);
     55   void Initial(CPDFDoc_Environment* pApp);
     56 
     57  private:
     58   void UpdateGlobalPersistentVariables();
     59   void CommitGlobalPersisitentVariables(IJS_Context* cc);
     60   void DestroyGlobalPersisitentVariables();
     61   FX_BOOL SetGlobalVariables(const FX_CHAR* propname,
     62                              int nType,
     63                              double dData,
     64                              bool bData,
     65                              const CFX_ByteString& sData,
     66                              v8::Local<v8::Object> pData,
     67                              bool bDefaultPersistent);
     68   void ObjectToArray(IJS_Context* cc,
     69                      v8::Local<v8::Object> pObj,
     70                      CJS_GlobalVariableArray& array);
     71   void PutObjectProperty(v8::Local<v8::Object> obj, CJS_KeyValue* pData);
     72 
     73   std::map<CFX_ByteString, JSGlobalData*> m_mapGlobal;
     74   CFX_WideString m_sFilePath;
     75   CJS_GlobalData* m_pGlobalData;
     76   CPDFDoc_Environment* m_pApp;
     77 };
     78 
     79 class CJS_Global : public CJS_Object {
     80  public:
     81   explicit CJS_Global(v8::Local<v8::Object> pObject) : CJS_Object(pObject) {}
     82   ~CJS_Global() override {}
     83 
     84   // CJS_Object
     85   void InitInstance(IJS_Runtime* pIRuntime) override;
     86 
     87   DECLARE_SPECIAL_JS_CLASS();
     88   JS_SPECIAL_STATIC_METHOD(setPersistent, JSGlobalAlternate, global);
     89 };
     90 
     91 #endif  // FPDFSDK_SRC_JAVASCRIPT_GLOBAL_H_
     92