mojo/services/html_viewer/webscheduler_impl.cc

   1 // Copyright 2015 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 // An implementation of WebThread in terms of base::MessageLoop and
   6 // base::Thread
   7
   8 #include "base/bind.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "base/tracked_objects.h"
  11 #include "mojo/services/html_viewer/webscheduler_impl.h"
  12
  13 namespace html_viewer {
  14
  15 WebSchedulerImpl::WebSchedulerImpl(
  16     scoped_refptr<base::SingleThreadTaskRunner> task_runner)
  17     : task_runner_(task_runner) {
  18 }
  19
  20 WebSchedulerImpl::~WebSchedulerImpl() {
  21 }
  22
  23 void WebSchedulerImpl::postIdleTask(const blink::WebTraceLocation& web_location,
  24                                     blink::WebThread::IdleTask* task) {
  25   scoped_ptr<blink::WebThread::IdleTask> scoped_task(task);
  26   tracked_objects::Location location(web_location.functionName(),
  27                                      web_location.fileName(), -1, nullptr);
  28   task_runner_->PostTask(location, base::Bind(&WebSchedulerImpl::RunIdleTask,
  29                                               base::Passed(&scoped_task)));
  30 }
  31
  32 void WebSchedulerImpl::postLoadingTask(
  33     const blink::WebTraceLocation& web_location,
  34     blink::WebThread::Task* task) {
  35   scoped_ptr<blink::WebThread::Task> scoped_task(task);
  36   tracked_objects::Location location(web_location.functionName(),
  37                                      web_location.fileName(), -1, nullptr);
  38   task_runner_->PostTask(location, base::Bind(&WebSchedulerImpl::RunTask,
  39                                               base::Passed(&scoped_task)));
  40 }
  41
  42 void WebSchedulerImpl::postTimerTask(
  43     const blink::WebTraceLocation& web_location,
  44     blink::WebThread::Task* task,
  45     long long delayMs) {
  46   scoped_ptr<blink::WebThread::Task> scoped_task(task);
  47   tracked_objects::Location location(web_location.functionName(),
  48                                      web_location.fileName(), -1, nullptr);
  49   task_runner_->PostDelayedTask(
  50       location,
  51       base::Bind(&WebSchedulerImpl::RunTask, base::Passed(&scoped_task)),
  52       base::TimeDelta::FromMilliseconds(delayMs));
  53 }
  54
  55 // static
  56 void WebSchedulerImpl::RunIdleTask(
  57     scoped_ptr<blink::WebThread::IdleTask> task) {
  58   // TODO(davemoore) Implement idle scheduling.
  59   task->run(0);
  60 }
  61
  62 // static
  63 void WebSchedulerImpl::RunTask(scoped_ptr<blink::WebThread::Task> task) {
  64   task->run();
  65 }
  66
  67 }  // namespace html_viewer