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                                      v8::Handle<v8::Object> creation_context,
  48                                      const base::Value* value) const;
  49   v8::Handle<v8::Value> ToV8Array(v8::Isolate* isolate,
  50                                   v8::Handle<v8::Object> creation_context,
  51                                   const base::ListValue* list) const;
  52   v8::Handle<v8::Value> ToV8Object(
  53       v8::Isolate* isolate,
  54       v8::Handle<v8::Object> creation_context,
  55       const base::DictionaryValue* dictionary) const;
  56   v8::Handle<v8::Value> ToArrayBuffer(v8::Isolate* isolate,
  57                                       v8::Handle<v8::Object> creation_context,
  58                                       const base::BinaryValue* value) const;
  59
  60   base::Value* FromV8ValueImpl(FromV8ValueState* state,
  61                                v8::Handle<v8::Value> value,
  62                                v8::Isolate* isolate) const;
  63   base::Value* FromV8Array(v8::Handle<v8::Array> array,
  64                            FromV8ValueState* state,
  65                            v8::Isolate* isolate) const;
  66
  67   // This will convert objects of type ArrayBuffer or any of the
  68   // ArrayBufferView subclasses.
  69   base::Value* FromV8ArrayBuffer(v8::Handle<v8::Object> val,
  70                                  v8::Isolate* isolate) const;
  71
  72   base::Value* FromV8Object(v8::Handle<v8::Object> object,
  73                             FromV8ValueState* state,
  74                             v8::Isolate* isolate) const;
  75
  76   // If true, we will convert Date JavaScript objects to doubles.
  77   bool date_allowed_;
  78
  79   // If true, we will convert RegExp JavaScript objects to string.
  80   bool reg_exp_allowed_;
  81
  82   // If true, we will convert Function JavaScript objects to dictionaries.
  83   bool function_allowed_;
  84
  85   // If true, undefined and null values are ignored when converting v8 objects
  86   // into Values.
  87   bool strip_null_from_objects_;
  88
  89   bool avoid_identity_hash_for_testing_;
  90
  91   // Strategy object that changes the converter's behavior.
  92   Strategy* strategy_;
  93
  94   DISALLOW_COPY_AND_ASSIGN(V8ValueConverterImpl);
  95 };
  96
  97 }  // namespace content
  98
  99 #endif  // CONTENT_RENDERER_V8_VALUE_CONVERTER_IMPL_H_