chrome/renderer/extensions/send_request_natives.cc

   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/send_request_natives.h"
   6
   7 #include "base/json/json_reader.h"
   8 #include "content/public/renderer/v8_value_converter.h"
   9 #include "chrome/renderer/extensions/request_sender.h"
  10
  11 using content::V8ValueConverter;
  12
  13 namespace extensions {
  14
  15 SendRequestNatives::SendRequestNatives(Dispatcher* dispatcher,
  16                                        RequestSender* request_sender,
  17                                        ChromeV8Context* context)
  18     : ChromeV8Extension(dispatcher, context->v8_context()),
  19       request_sender_(request_sender),
  20       context_(context) {
  21   RouteFunction("GetNextRequestId",
  22                 base::Bind(&SendRequestNatives::GetNextRequestId,
  23                            base::Unretained(this)));
  24   RouteFunction("StartRequest",
  25                 base::Bind(&SendRequestNatives::StartRequest,
  26                            base::Unretained(this)));
  27   RouteFunction("GetGlobal",
  28                 base::Bind(&SendRequestNatives::GetGlobal,
  29                            base::Unretained(this)));
  30 }
  31
  32 v8::Handle<v8::Value> SendRequestNatives::GetNextRequestId(
  33     const v8::Arguments& args) {
  34   return v8::Integer::New(request_sender_->GetNextRequestId());
  35 }
  36
  37 // Starts an API request to the browser, with an optional callback.  The
  38 // callback will be dispatched to EventBindings::HandleResponse.
  39 v8::Handle<v8::Value> SendRequestNatives::StartRequest(
  40     const v8::Arguments& args) {
  41   std::string name = *v8::String::AsciiValue(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<Value> value_args(converter->FromV8Value(args[1], v8_context()));
  57   if (!value_args.get() || !value_args->IsType(Value::TYPE_LIST)) {
  58     NOTREACHED() << "Unable to convert args passed to StartRequest";
  59     return v8::Undefined();
  60   }
  61
  62   request_sender_->StartRequest(
  63       context_, name, request_id, has_callback, for_io_thread,
  64       static_cast<ListValue*>(value_args.get()));
  65   return v8::Undefined();
  66 }
  67
  68 v8::Handle<v8::Value> SendRequestNatives::GetGlobal(const v8::Arguments& args) {
  69   CHECK_EQ(1, args.Length());
  70   CHECK(args[0]->IsObject());
  71   return v8::Handle<v8::Object>::Cast(args[0])->CreationContext()->Global();
  72 }
  73
  74 }  // namespace extensions