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/send_request_natives.h"
6
7#include "base/json/json_reader.h"
8#include "content/public/renderer/v8_value_converter.h"
9#include "extensions/renderer/request_sender.h"
10#include "extensions/renderer/script_context.h"
11
12using content::V8ValueConverter;
13
14namespace extensions {
15
16SendRequestNatives::SendRequestNatives(RequestSender* request_sender,
17                                       ScriptContext* context)
18    : ObjectBackedNativeHandler(context), request_sender_(request_sender) {
19  RouteFunction("GetNextRequestId",
20                base::Bind(&SendRequestNatives::GetNextRequestId,
21                           base::Unretained(this)));
22  RouteFunction(
23      "StartRequest",
24      base::Bind(&SendRequestNatives::StartRequest, base::Unretained(this)));
25  RouteFunction(
26      "GetGlobal",
27      base::Bind(&SendRequestNatives::GetGlobal, base::Unretained(this)));
28}
29
30void SendRequestNatives::GetNextRequestId(
31    const v8::FunctionCallbackInfo<v8::Value>& args) {
32  args.GetReturnValue().Set(
33      static_cast<int32_t>(request_sender_->GetNextRequestId()));
34}
35
36// Starts an API request to the browser, with an optional callback.  The
37// callback will be dispatched to EventBindings::HandleResponse.
38void SendRequestNatives::StartRequest(
39    const v8::FunctionCallbackInfo<v8::Value>& args) {
40  CHECK_EQ(6, args.Length());
41  std::string name = *v8::String::Utf8Value(args[0]);
42  int request_id = args[2]->Int32Value();
43  bool has_callback = args[3]->BooleanValue();
44  bool for_io_thread = args[4]->BooleanValue();
45  bool preserve_null_in_objects = args[5]->BooleanValue();
46
47  scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
48
49  // See http://crbug.com/149880. The context menus APIs relies on this, but
50  // we shouldn't really be doing it (e.g. for the sake of the storage API).
51  converter->SetFunctionAllowed(true);
52
53  if (!preserve_null_in_objects)
54    converter->SetStripNullFromObjects(true);
55
56  scoped_ptr<base::Value> value_args(
57      converter->FromV8Value(args[1], context()->v8_context()));
58  if (!value_args.get() || !value_args->IsType(base::Value::TYPE_LIST)) {
59    NOTREACHED() << "Unable to convert args passed to StartRequest";
60    return;
61  }
62
63  request_sender_->StartRequest(
64      context(),
65      name,
66      request_id,
67      has_callback,
68      for_io_thread,
69      static_cast<base::ListValue*>(value_args.get()));
70}
71
72void SendRequestNatives::GetGlobal(
73    const v8::FunctionCallbackInfo<v8::Value>& args) {
74  CHECK_EQ(1, args.Length());
75  CHECK(args[0]->IsObject());
76  args.GetReturnValue().Set(
77      v8::Handle<v8::Object>::Cast(args[0])->CreationContext()->Global());
78}
79
80}  // namespace extensions
81