content/renderer/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_RENDERER_V8_VALUE_CONVERTER_IMPL_H_
   6 #define CONTENT_RENDERER_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/renderer/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   virtual void SetDateAllowed(bool val) OVERRIDE;
  30   virtual void SetRegExpAllowed(bool val) OVERRIDE;
  31   virtual void SetFunctionAllowed(bool val) OVERRIDE;
  32   virtual void SetStripNullFromObjects(bool val) OVERRIDE;
  33   virtual void SetStrategy(Strategy* strategy) OVERRIDE;
  34   virtual v8::Handle<v8::Value> ToV8Value(
  35       const base::Value* value,
  36       v8::Handle<v8::Context> context) const OVERRIDE;
  37   virtual base::Value* FromV8Value(
  38       v8::Handle<v8::Value> value,
  39       v8::Handle<v8::Context> context) const OVERRIDE;
  40
  41  private:
  42   friend class ScopedAvoidIdentityHashForTesting;
  43
  44   class FromV8ValueState;
  45
  46   v8::Local<v8::Value> ToV8ValueImpl(v8::Isolate* isolate,
  47                                       const base::Value* value) const;
  48   v8::Handle<v8::Value> ToV8Array(v8::Isolate* isolate,
  49                                   const base::ListValue* list) const;
  50   v8::Handle<v8::Value> ToV8Object(
  51       v8::Isolate* isolate,
  52       const base::DictionaryValue* dictionary) const;
  53   v8::Handle<v8::Value> ToArrayBuffer(const base::BinaryValue* value) const;
  54
  55   base::Value* FromV8ValueImpl(v8::Handle<v8::Value> value,
  56                                FromV8ValueState* state,
  57                                v8::Isolate* isolate) const;
  58   base::Value* FromV8Array(v8::Handle<v8::Array> array,
  59                            FromV8ValueState* state,
  60                            v8::Isolate* isolate) const;
  61
  62   // This will convert objects of type ArrayBuffer or any of the
  63   // ArrayBufferView subclasses. The return value will be NULL if |value| is
  64   // not one of these types.
  65   base::BinaryValue* FromV8Buffer(v8::Handle<v8::Value> value) const;
  66
  67   base::Value* FromV8Object(v8::Handle<v8::Object> object,
  68                             FromV8ValueState* state,
  69                             v8::Isolate* isolate) const;
  70
  71   // If true, we will convert Date JavaScript objects to doubles.
  72   bool date_allowed_;
  73
  74   // If true, we will convert RegExp JavaScript objects to string.
  75   bool reg_exp_allowed_;
  76
  77   // If true, we will convert Function JavaScript objects to dictionaries.
  78   bool function_allowed_;
  79
  80   // If true, undefined and null values are ignored when converting v8 objects
  81   // into Values.
  82   bool strip_null_from_objects_;
  83
  84   bool avoid_identity_hash_for_testing_;
  85
  86   // Strategy object that changes the converter's behavior.
  87   Strategy* strategy_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(V8ValueConverterImpl);
  90 };
  91
  92 }  // namespace content
  93
  94 #endif  // CONTENT_RENDERER_V8_VALUE_CONVERTER_IMPL_H_