1// Copyright 2013 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 "content/renderer/service_worker/embedded_worker_context_message_filter.h" 6 7#include "base/message_loop/message_loop_proxy.h" 8#include "content/child/child_thread.h" 9#include "content/child/thread_safe_sender.h" 10#include "content/child/worker_thread_task_runner.h" 11#include "content/renderer/service_worker/embedded_worker_context_client.h" 12#include "ipc/ipc_message_macros.h" 13 14namespace content { 15 16EmbeddedWorkerContextMessageFilter::EmbeddedWorkerContextMessageFilter() 17 : main_thread_loop_proxy_(base::MessageLoopProxy::current()), 18 thread_safe_sender_(ChildThread::current()->thread_safe_sender()) {} 19 20EmbeddedWorkerContextMessageFilter::~EmbeddedWorkerContextMessageFilter() {} 21 22base::TaskRunner* 23EmbeddedWorkerContextMessageFilter::OverrideTaskRunnerForMessage( 24 const IPC::Message& msg) { 25 if (IPC_MESSAGE_CLASS(msg) != EmbeddedWorkerContextMsgStart) 26 return NULL; 27 int ipc_thread_id = 0; 28 const bool success = PickleIterator(msg).ReadInt(&ipc_thread_id); 29 DCHECK(success); 30 if (!ipc_thread_id) 31 return main_thread_loop_proxy_.get(); 32 return new WorkerThreadTaskRunner(ipc_thread_id); 33} 34 35bool EmbeddedWorkerContextMessageFilter::OnMessageReceived( 36 const IPC::Message& msg) { 37 if (IPC_MESSAGE_CLASS(msg) != EmbeddedWorkerContextMsgStart) 38 return false; 39 EmbeddedWorkerContextClient* client = 40 EmbeddedWorkerContextClient::ThreadSpecificInstance(); 41 if (!client) { 42 LOG(ERROR) << "Stray message is sent to nonexistent worker"; 43 return true; 44 } 45 return client->OnMessageReceived(msg); 46} 47 48} // namespace content 49