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
15namespace gin {
16
17class WrappableBase;
18
19// Base class for gin::Wrappable-derived classes that want to implement a
20// property interceptor.
21class 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
41class 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_
64