1// Copyright 2014 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 "extensions/renderer/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 = WebSerializedScriptValue::serialize(args[0]);
34  WebString data_webstring = data.toString();
35
36  std::string v = std::string(data_webstring.utf8());
37  args.GetReturnValue().Set(
38      v8::String::NewFromUtf8(args.GetIsolate(), v.c_str()));
39}
40
41void CreateBlob(const v8::FunctionCallbackInfo<v8::Value>& args) {
42  DCHECK(args.Length() == 2);
43  DCHECK(args[0]->IsString());
44  DCHECK(args[1]->IsNumber());
45
46  std::string blob_file_path(*v8::String::Utf8Value(args[0]));
47  std::string blob_length_string(*v8::String::Utf8Value(args[1]));
48  int64 blob_length = 0;
49  DCHECK(base::StringToInt64(blob_length_string, &blob_length));
50  blink::WebBlob web_blob =
51      WebBlob::createFromFile(WebString::fromUTF8(blob_file_path), blob_length);
52  args.GetReturnValue().Set(
53      web_blob.toV8Value(args.Holder(), args.GetIsolate()));
54}
55
56}  // namespace
57
58namespace extensions {
59
60AppRuntimeCustomBindings::AppRuntimeCustomBindings(ScriptContext* context)
61    : ObjectBackedNativeHandler(context) {
62  RouteFunction("DeserializeString", base::Bind(&DeserializeString));
63  RouteFunction("SerializeToString", base::Bind(&SerializeToString));
64  RouteFunction("CreateBlob", base::Bind(&CreateBlob));
65}
66
67}  // namespace extensions
68