content/child/resource_scheduling_filter.cc

   1 // Copyright (c) 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 "content/child/resource_scheduling_filter.h"
   6
   7 #include "base/bind.h"
   8 #include "base/location.h"
   9 #include "content/child/resource_dispatcher.h"
  10 #include "ipc/ipc_message.h"
  11 #include "ipc/ipc_message_start.h"
  12
  13 namespace content {
  14
  15 ResourceSchedulingFilter::ResourceSchedulingFilter(
  16     const scoped_refptr<base::SingleThreadTaskRunner>& main_thread_task_runner,
  17     ResourceDispatcher* resource_dispatcher)
  18     : main_thread_task_runner_(main_thread_task_runner),
  19       resource_dispatcher_(resource_dispatcher),
  20       weak_ptr_factory_(this) {
  21   DCHECK(main_thread_task_runner_.get());
  22   DCHECK(resource_dispatcher_);
  23 }
  24
  25 ResourceSchedulingFilter::~ResourceSchedulingFilter() {
  26 }
  27
  28 bool ResourceSchedulingFilter::OnMessageReceived(const IPC::Message& message) {
  29   main_thread_task_runner_->PostTask(
  30       FROM_HERE, base::Bind(&ResourceSchedulingFilter::DispatchMessage,
  31                             weak_ptr_factory_.GetWeakPtr(), message));
  32   return true;
  33 }
  34
  35 bool ResourceSchedulingFilter::GetSupportedMessageClasses(
  36     std::vector<uint32>* supported_message_classes) const {
  37   supported_message_classes->push_back(ResourceMsgStart);
  38   return true;
  39 }
  40
  41 void ResourceSchedulingFilter::DispatchMessage(const IPC::Message& message) {
  42   resource_dispatcher_->OnMessageReceived(message);
  43 }
  44
  45 }  // namespace content