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