1 // Copyright 2014 The Chromium 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 #ifndef GIN_INTERCEPTOR_H_ 6 #define GIN_INTERCEPTOR_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "gin/gin_export.h" 13 #include "v8/include/v8.h" 14 15 namespace gin { 16 17 class WrappableBase; 18 19 // Base class for gin::Wrappable-derived classes that want to implement a 20 // property interceptor. 21 class GIN_EXPORT NamedPropertyInterceptor { 22 public: 23 NamedPropertyInterceptor(v8::Isolate* isolate, WrappableBase* base); 24 virtual ~NamedPropertyInterceptor(); 25 26 virtual v8::Local<v8::Value> GetNamedProperty(v8::Isolate* isolate, 27 const std::string& property); 28 // Return true if the set was interecepted. 29 virtual bool SetNamedProperty(v8::Isolate* isolate, 30 const std::string& property, 31 v8::Local<v8::Value> value); 32 virtual std::vector<std::string> EnumerateNamedProperties( 33 v8::Isolate* isolate); 34 35 private: 36 v8::Isolate* isolate_; 37 WrappableBase* base_; 38 39 DISALLOW_COPY_AND_ASSIGN(NamedPropertyInterceptor); 40 }; 41 42 class GIN_EXPORT IndexedPropertyInterceptor { 43 public: 44 IndexedPropertyInterceptor(v8::Isolate* isolate, WrappableBase* base); 45 virtual ~IndexedPropertyInterceptor(); 46 47 virtual v8::Local<v8::Value> GetIndexedProperty(v8::Isolate* isolate, 48 uint32_t index); 49 // Return true if the set was interecepted. 50 virtual bool SetIndexedProperty(v8::Isolate* isolate, 51 uint32_t index, 52 v8::Local<v8::Value> value); 53 virtual std::vector<uint32_t> EnumerateIndexedProperties( 54 v8::Isolate* isolate); 55 56 private: 57 v8::Isolate* isolate_; 58 WrappableBase* base_; 59 60 DISALLOW_COPY_AND_ASSIGN(IndexedPropertyInterceptor); 61 }; 62 63 } // namespace gin 64 65 #endif // GIN_INTERCEPTOR_H_ 66
