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#include "chrome/renderer/extensions/app_runtime_custom_bindings.h"
6
7#include "base/bind.h"
8#include "base/strings/string_number_conversions.h"
9#include "third_party/WebKit/public/platform/WebCString.h"
10#include "third_party/WebKit/public/platform/WebString.h"
11#include "third_party/WebKit/public/web/WebBlob.h"
12#include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
13
14using blink::WebBlob;
15using blink::WebSerializedScriptValue;
16using blink::WebString;
17
18namespace {
19
20void DeserializeString(const v8::FunctionCallbackInfo<v8::Value> &args) {
21  DCHECK(args.Length() == 1);
22  DCHECK(args[0]->IsString());
23
24  std::string data_v8(*v8::String::Utf8Value(args[0]));
25  WebString data_webstring = WebString::fromUTF8(data_v8);
26  WebSerializedScriptValue serialized =
27      WebSerializedScriptValue::fromString(data_webstring);
28  args.GetReturnValue().Set(serialized.deserialize());
29}
30
31void SerializeToString(const v8::FunctionCallbackInfo<v8::Value> &args) {
32  DCHECK(args.Length() == 1);
33  WebSerializedScriptValue data =
34      WebSerializedScriptValue::serialize(args[0]);
35  WebString data_webstring = data.toString();
36
37  std::string v = std::string(data_webstring.utf8());
38  args.GetReturnValue()
39      .Set(v8::String::NewFromUtf8(args.GetIsolate(), v.c_str()));
40}
41
42void CreateBlob(const v8::FunctionCallbackInfo<v8::Value> &args) {
43  DCHECK(args.Length() == 2);
44  DCHECK(args[0]->IsString());
45  DCHECK(args[1]->IsNumber());
46
47  std::string blob_file_path(*v8::String::Utf8Value(args[0]));
48  std::string blob_length_string(*v8::String::Utf8Value(args[1]));
49  int64 blob_length = 0;
50  DCHECK(base::StringToInt64(blob_length_string, &blob_length));
51  blink::WebBlob web_blob = WebBlob::createFromFile(
52      WebString::fromUTF8(blob_file_path), blob_length);
53  args.GetReturnValue().Set(web_blob.toV8Value());
54}
55
56}  // namespace
57
58namespace extensions {
59
60AppRuntimeCustomBindings::AppRuntimeCustomBindings(
61    Dispatcher* dispatcher,
62    ChromeV8Context* context) : ChromeV8Extension(dispatcher, context) {
63  RouteFunction("DeserializeString", base::Bind(&DeserializeString));
64  RouteFunction("SerializeToString", base::Bind(&SerializeToString));
65  RouteFunction("CreateBlob", base::Bind(&CreateBlob));
66}
67
68}  // namespace extensions
69