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1 // Copyright 2016 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 FXJS_CFXJSE_CONTEXT_H_
8 #define FXJS_CFXJSE_CONTEXT_H_
9 
10 #include <memory>
11 #include <vector>
12 
13 #include "fxjs/fxjse.h"
14 #include "v8/include/v8.h"
15 
16 class CFXJSE_Class;
17 class CFXJSE_Value;
18 struct FXJSE_CLASS_DESCRIPTOR;
19 
20 class CFXJSE_Context {
21  public:
22   static std::unique_ptr<CFXJSE_Context> Create(
23       v8::Isolate* pIsolate,
24       const FXJSE_CLASS_DESCRIPTOR* pGlobalClass,
25       CFXJSE_HostObject* pGlobalObject);
26 
27   explicit CFXJSE_Context(v8::Isolate* pIsolate);
28   ~CFXJSE_Context();
29 
GetIsolate()30   v8::Isolate* GetIsolate() const { return m_pIsolate; }
31   v8::Local<v8::Context> GetContext();
32   std::unique_ptr<CFXJSE_Value> GetGlobalObject();
33   void AddClass(std::unique_ptr<CFXJSE_Class> pClass);
34   CFXJSE_Class* GetClassByName(const ByteStringView& szName) const;
35   void EnableCompatibleMode();
36   bool ExecuteScript(const char* szScript,
37                      CFXJSE_Value* lpRetValue,
38                      CFXJSE_Value* lpNewThisObject = nullptr);
39 
40  protected:
41   friend class CFXJSE_ScopeUtil_IsolateHandleContext;
42 
43   CFXJSE_Context();
44   CFXJSE_Context(const CFXJSE_Context&);
45   CFXJSE_Context& operator=(const CFXJSE_Context&);
46 
47   v8::Global<v8::Context> m_hContext;
48   v8::Isolate* m_pIsolate;
49   std::vector<std::unique_ptr<CFXJSE_Class>> m_rgClasses;
50 };
51 
52 void FXJSE_UpdateObjectBinding(v8::Local<v8::Object>& hObject,
53                                CFXJSE_HostObject* lpNewBinding = nullptr);
54 
55 CFXJSE_HostObject* FXJSE_RetrieveObjectBinding(v8::Local<v8::Object> hJSObject,
56                                                CFXJSE_Class* lpClass = nullptr);
57 
58 #endif  // FXJS_CFXJSE_CONTEXT_H_
59