gin/interceptor.h

   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   virtual void SetNamedProperty(v8::Isolate* isolate,
  29                                 const std::string& property,
  30                                 v8::Local<v8::Value> value);
  31   virtual std::vector<std::string> EnumerateNamedProperties(
  32       v8::Isolate* isolate);
  33
  34  private:
  35   v8::Isolate* isolate_;
  36   WrappableBase* base_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(NamedPropertyInterceptor);
  39 };
  40
  41 class GIN_EXPORT IndexedPropertyInterceptor {
  42  public:
  43   IndexedPropertyInterceptor(v8::Isolate* isolate, WrappableBase* base);
  44   virtual ~IndexedPropertyInterceptor();
  45
  46   virtual v8::Local<v8::Value> GetIndexedProperty(v8::Isolate* isolate,
  47                                                   uint32_t index);
  48   virtual void SetIndexedProperty(v8::Isolate* isolate,
  49                                   uint32_t index,
  50                                   v8::Local<v8::Value> value);
  51   virtual std::vector<uint32_t> EnumerateIndexedProperties(
  52       v8::Isolate* isolate);
  53
  54  private:
  55   v8::Isolate* isolate_;
  56   WrappableBase* base_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(IndexedPropertyInterceptor);
  59 };
  60
  61 }  // namespace gin
  62
  63 #endif  // GIN_INTERCEPTOR_H_