content/child/v8_value_converter_impl.h

   1 // Copyright (c) 2012 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 CONTENT_CHILD_V8_VALUE_CONVERTER_IMPL_H_
   6 #define CONTENT_CHILD_V8_VALUE_CONVERTER_IMPL_H_
   7
   8 #include <map>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "content/common/content_export.h"
  13 #include "content/public/child/v8_value_converter.h"
  14
  15 namespace base {
  16 class BinaryValue;
  17 class DictionaryValue;
  18 class ListValue;
  19 class Value;
  20 }
  21
  22 namespace content {
  23
  24 class CONTENT_EXPORT V8ValueConverterImpl : public V8ValueConverter {
  25  public:
  26   V8ValueConverterImpl();
  27
  28   // V8ValueConverter implementation.
  29   void SetDateAllowed(bool val) override;
  30   void SetRegExpAllowed(bool val) override;
  31   void SetFunctionAllowed(bool val) override;
  32   void SetStripNullFromObjects(bool val) override;
  33   void SetStrategy(Strategy* strategy) override;
  34   v8::Local<v8::Value> ToV8Value(
  35       const base::Value* value,
  36       v8::Local<v8::Context> context) const override;
  37   base::Value* FromV8Value(v8::Local<v8::Value> value,
  38                            v8::Local<v8::Context> context) const override;
  39
  40  private:
  41   friend class ScopedAvoidIdentityHashForTesting;
  42
  43   class FromV8ValueState;
  44
  45   v8::Local<v8::Value> ToV8ValueImpl(v8::Isolate* isolate,
  46                                      v8::Local<v8::Object> creation_context,
  47                                      const base::Value* value) const;
  48   v8::Local<v8::Value> ToV8Array(v8::Isolate* isolate,
  49                                   v8::Local<v8::Object> creation_context,
  50                                   const base::ListValue* list) const;
  51   v8::Local<v8::Value> ToV8Object(
  52       v8::Isolate* isolate,
  53       v8::Local<v8::Object> creation_context,
  54       const base::DictionaryValue* dictionary) const;
  55   v8::Local<v8::Value> ToArrayBuffer(v8::Isolate* isolate,
  56                                       v8::Local<v8::Object> creation_context,
  57                                       const base::BinaryValue* value) const;
  58
  59   base::Value* FromV8ValueImpl(FromV8ValueState* state,
  60                                v8::Local<v8::Value> value,
  61                                v8::Isolate* isolate) const;
  62   base::Value* FromV8Array(v8::Local<v8::Array> array,
  63                            FromV8ValueState* state,
  64                            v8::Isolate* isolate) const;
  65
  66   // This will convert objects of type ArrayBuffer or any of the
  67   // ArrayBufferView subclasses.
  68   base::Value* FromV8ArrayBuffer(v8::Local<v8::Object> val,
  69                                  v8::Isolate* isolate) const;
  70
  71   base::Value* FromV8Object(v8::Local<v8::Object> object,
  72                             FromV8ValueState* state,
  73                             v8::Isolate* isolate) const;
  74
  75   // If true, we will convert Date JavaScript objects to doubles.
  76   bool date_allowed_;
  77
  78   // If true, we will convert RegExp JavaScript objects to string.
  79   bool reg_exp_allowed_;
  80
  81   // If true, we will convert Function JavaScript objects to dictionaries.
  82   bool function_allowed_;
  83
  84   // If true, undefined and null values are ignored when converting v8 objects
  85   // into Values.
  86   bool strip_null_from_objects_;
  87
  88   bool avoid_identity_hash_for_testing_;
  89
  90   // Strategy object that changes the converter's behavior.
  91   Strategy* strategy_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(V8ValueConverterImpl);
  94 };
  95
  96 }  // namespace content
  97
  98 #endif  // CONTENT_CHILD_V8_VALUE_CONVERTER_IMPL_H_