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 12 using content::V8ValueConverter; 13 14 namespace extensions { 15 16 SendRequestNatives::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 30 void 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. 38 void 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 72 void 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