summaryrefslogtreecommitdiff
path: root/chromium/gin/interceptor.h
blob: 43cb3464fe97f5f3043b92adbb31540cd80fe461 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GIN_INTERCEPTOR_H_
#define GIN_INTERCEPTOR_H_

#include <string>
#include <vector>

#include "base/basictypes.h"
#include "gin/gin_export.h"
#include "v8/include/v8.h"

namespace gin {

class WrappableBase;

// Base class for gin::Wrappable-derived classes that want to implement a
// property interceptor.
class GIN_EXPORT NamedPropertyInterceptor {
 public:
  NamedPropertyInterceptor(v8::Isolate* isolate, WrappableBase* base);
  virtual ~NamedPropertyInterceptor();

  virtual v8::Local<v8::Value> GetNamedProperty(v8::Isolate* isolate,
                                                const std::string& property);
  // Return true if the set was interecepted.
  virtual bool SetNamedProperty(v8::Isolate* isolate,
                                const std::string& property,
                                v8::Local<v8::Value> value);
  virtual std::vector<std::string> EnumerateNamedProperties(
      v8::Isolate* isolate);

 private:
  v8::Isolate* isolate_;
  WrappableBase* base_;

  DISALLOW_COPY_AND_ASSIGN(NamedPropertyInterceptor);
};

class GIN_EXPORT IndexedPropertyInterceptor {
 public:
  IndexedPropertyInterceptor(v8::Isolate* isolate, WrappableBase* base);
  virtual ~IndexedPropertyInterceptor();

  virtual v8::Local<v8::Value> GetIndexedProperty(v8::Isolate* isolate,
                                                  uint32_t index);
  // Return true if the set was interecepted.
  virtual bool SetIndexedProperty(v8::Isolate* isolate,
                                  uint32_t index,
                                  v8::Local<v8::Value> value);
  virtual std::vector<uint32_t> EnumerateIndexedProperties(
      v8::Isolate* isolate);

 private:
  v8::Isolate* isolate_;
  WrappableBase* base_;

  DISALLOW_COPY_AND_ASSIGN(IndexedPropertyInterceptor);
};

}  // namespace gin

#endif  // GIN_INTERCEPTOR_H_