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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 FXJS_CJS_OBJECT_H_
      8 #define FXJS_CJS_OBJECT_H_
      9 
     10 #include <memory>
     11 
     12 #include "fpdfsdk/fsdk_define.h"
     13 #include "fxjs/cjs_embedobj.h"
     14 #include "fxjs/cjs_runtime.h"
     15 #include "fxjs/fxjs_v8.h"
     16 
     17 struct JSConstSpec {
     18   enum Type { Number = 0, String = 1 };
     19 
     20   const char* pName;
     21   Type eType;
     22   double number;
     23   const char* pStr;
     24 };
     25 
     26 struct JSPropertySpec {
     27   const char* pName;
     28   v8::AccessorGetterCallback pPropGet;
     29   v8::AccessorSetterCallback pPropPut;
     30 };
     31 
     32 struct JSMethodSpec {
     33   const char* pName;
     34   v8::FunctionCallback pMethodCall;
     35 };
     36 
     37 class CJS_Object {
     38  public:
     39   static void DefineConsts(CFXJS_Engine* pEngine,
     40                            int objId,
     41                            const JSConstSpec consts[],
     42                            size_t count);
     43   static void DefineProps(CFXJS_Engine* pEngine,
     44                           int objId,
     45                           const JSPropertySpec props[],
     46                           size_t count);
     47   static void DefineMethods(CFXJS_Engine* pEngine,
     48                             int objId,
     49                             const JSMethodSpec methods[],
     50                             size_t count);
     51 
     52   explicit CJS_Object(v8::Local<v8::Object> pObject);
     53   virtual ~CJS_Object();
     54 
     55   virtual void InitInstance(IJS_Runtime* pIRuntime);
     56 
     57   v8::Local<v8::Object> ToV8Object() { return m_pV8Object.Get(m_pIsolate); }
     58 
     59   // Takes ownership of |pObj|.
     60   void SetEmbedObject(CJS_EmbedObj* pObj) { m_pEmbedObj.reset(pObj); }
     61   CJS_EmbedObj* GetEmbedObject() const { return m_pEmbedObj.get(); }
     62 
     63   v8::Isolate* GetIsolate() const { return m_pIsolate; }
     64 
     65  protected:
     66   std::unique_ptr<CJS_EmbedObj> m_pEmbedObj;
     67   v8::Global<v8::Object> m_pV8Object;
     68   v8::Isolate* m_pIsolate;
     69 };
     70 
     71 #endif  // FXJS_CJS_OBJECT_H_
     72