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