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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// 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.
#include "content/renderer/java/gin_java_bridge_value_converter.h"
#include "base/float_util.h"
#include "base/values.h"
#include "content/common/android/gin_java_bridge_value.h"
#include "content/renderer/java/gin_java_bridge_object.h"
#include "gin/array_buffer.h"
namespace content {
GinJavaBridgeValueConverter::GinJavaBridgeValueConverter()
: converter_(V8ValueConverter::create()) {
converter_->SetDateAllowed(false);
converter_->SetRegExpAllowed(false);
converter_->SetFunctionAllowed(true);
converter_->SetStrategy(this);
}
GinJavaBridgeValueConverter::~GinJavaBridgeValueConverter() {
}
v8::Handle<v8::Value> GinJavaBridgeValueConverter::ToV8Value(
const base::Value* value,
v8::Handle<v8::Context> context) const {
return converter_->ToV8Value(value, context);
}
scoped_ptr<base::Value> GinJavaBridgeValueConverter::FromV8Value(
v8::Handle<v8::Value> value,
v8::Handle<v8::Context> context) const {
return make_scoped_ptr(converter_->FromV8Value(value, context));
}
bool GinJavaBridgeValueConverter::FromV8Object(
v8::Handle<v8::Object> value,
base::Value** out,
v8::Isolate* isolate,
const FromV8ValueCallback& callback) const {
GinJavaBridgeObject* unwrapped;
if (!gin::ConvertFromV8(isolate, value, &unwrapped)) {
return false;
}
*out =
GinJavaBridgeValue::CreateObjectIDValue(unwrapped->object_id()).release();
return true;
}
namespace {
class TypedArraySerializer {
public:
virtual ~TypedArraySerializer() {}
static scoped_ptr<TypedArraySerializer> Create(
v8::Handle<v8::TypedArray> typed_array);
virtual void serializeTo(char* data,
size_t data_length,
base::ListValue* out) = 0;
protected:
TypedArraySerializer() {}
};
template <typename ElementType, typename ListType>
class TypedArraySerializerImpl : public TypedArraySerializer {
public:
static scoped_ptr<TypedArraySerializer> Create(
v8::Handle<v8::TypedArray> typed_array) {
scoped_ptr<TypedArraySerializerImpl<ElementType, ListType> > result(
new TypedArraySerializerImpl<ElementType, ListType>(typed_array));
return result.template PassAs<TypedArraySerializer>();
}
virtual void serializeTo(char* data,
size_t data_length,
base::ListValue* out) OVERRIDE {
DCHECK_EQ(data_length, typed_array_->Length() * sizeof(ElementType));
for (ElementType *element = reinterpret_cast<ElementType*>(data),
*end = element + typed_array_->Length();
element != end;
++element) {
const ListType list_value = *element;
out->Append(new base::FundamentalValue(list_value));
}
}
private:
explicit TypedArraySerializerImpl(v8::Handle<v8::TypedArray> typed_array)
: typed_array_(typed_array) {}
v8::Handle<v8::TypedArray> typed_array_;
DISALLOW_COPY_AND_ASSIGN(TypedArraySerializerImpl);
};
// static
scoped_ptr<TypedArraySerializer> TypedArraySerializer::Create(
v8::Handle<v8::TypedArray> typed_array) {
if (typed_array->IsInt8Array() ||
typed_array->IsUint8Array() ||
typed_array->IsUint8ClampedArray()) {
return TypedArraySerializerImpl<char, int>::Create(typed_array).Pass();
} else if (typed_array->IsInt16Array() || typed_array->IsUint16Array()) {
return TypedArraySerializerImpl<int16_t, int>::Create(typed_array).Pass();
} else if (typed_array->IsInt32Array() || typed_array->IsUint32Array()) {
return TypedArraySerializerImpl<int32_t, int>::Create(typed_array).Pass();
} else if (typed_array->IsFloat32Array()) {
return TypedArraySerializerImpl<float, double>::Create(typed_array).Pass();
} else if (typed_array->IsFloat64Array()) {
return TypedArraySerializerImpl<double, double>::Create(typed_array).Pass();
}
NOTREACHED();
return scoped_ptr<TypedArraySerializer>();
}
} // namespace
bool GinJavaBridgeValueConverter::FromV8ArrayBuffer(
v8::Handle<v8::Object> value,
base::Value** out,
v8::Isolate* isolate) const {
if (!value->IsTypedArray()) {
*out = GinJavaBridgeValue::CreateUndefinedValue().release();
return true;
}
char* data = NULL;
size_t data_length = 0;
gin::ArrayBufferView view;
if (ConvertFromV8(isolate, value.As<v8::ArrayBufferView>(), &view)) {
data = reinterpret_cast<char*>(view.bytes());
data_length = view.num_bytes();
}
if (!data) {
*out = GinJavaBridgeValue::CreateUndefinedValue().release();
return true;
}
base::ListValue* result = new base::ListValue();
*out = result;
scoped_ptr<TypedArraySerializer> serializer(
TypedArraySerializer::Create(value.As<v8::TypedArray>()));
serializer->serializeTo(data, data_length, result);
return true;
}
bool GinJavaBridgeValueConverter::FromV8Number(v8::Handle<v8::Number> value,
base::Value** out) const {
double double_value = value->Value();
if (base::IsFinite(double_value))
return false;
*out = GinJavaBridgeValue::CreateNonFiniteValue(double_value).release();
return true;
}
bool GinJavaBridgeValueConverter::FromV8Undefined(base::Value** out) const {
*out = GinJavaBridgeValue::CreateUndefinedValue().release();
return true;
}
} // namespace content
|
