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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/service_worker_request_sender.h"
#include "base/guid.h"
#include "content/public/child/worker_thread.h"
#include "extensions/common/extension_messages.h"
#include "extensions/renderer/worker_thread_dispatcher.h"
namespace extensions {
ServiceWorkerRequestSender::ServiceWorkerRequestSender(
WorkerThreadDispatcher* dispatcher,
int64_t service_worker_version_id)
: dispatcher_(dispatcher),
service_worker_version_id_(service_worker_version_id) {}
ServiceWorkerRequestSender::~ServiceWorkerRequestSender() {}
void ServiceWorkerRequestSender::SendRequest(
content::RenderFrame* render_frame,
bool for_io_thread,
ExtensionHostMsg_Request_Params& params) {
DCHECK(!render_frame && !for_io_thread);
int worker_thread_id = content::WorkerThread::GetCurrentId();
DCHECK_GT(worker_thread_id, 0);
params.worker_thread_id = worker_thread_id;
params.service_worker_version_id = service_worker_version_id_;
std::string guid = base::GenerateGUID();
request_id_to_guid_[params.request_id] = guid;
// Keeps the worker alive during extension function call. Balanced in
// HandleWorkerResponse().
dispatcher_->Send(new ExtensionHostMsg_IncrementServiceWorkerActivity(
service_worker_version_id_, guid));
dispatcher_->Send(new ExtensionHostMsg_RequestWorker(params));
}
void ServiceWorkerRequestSender::HandleWorkerResponse(
int request_id,
int64_t service_worker_version_id,
bool success,
const base::ListValue& response,
const std::string& error) {
RequestSender::HandleResponse(request_id, success, response, error);
std::map<int, std::string>::iterator iter =
request_id_to_guid_.find(request_id);
DCHECK(iter != request_id_to_guid_.end());
dispatcher_->Send(new ExtensionHostMsg_DecrementServiceWorkerActivity(
service_worker_version_id_, iter->second));
request_id_to_guid_.erase(iter);
}
} // namespace extensions
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