content/renderer/scheduler/web_scheduler_impl.cc

   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 "content/renderer/scheduler/web_scheduler_impl.h"
   6
   7 #include "base/bind.h"
   8 #include "content/renderer/scheduler/renderer_scheduler.h"
   9 #include "third_party/WebKit/public/platform/WebTraceLocation.h"
  10
  11 namespace content {
  12
  13 WebSchedulerImpl::WebSchedulerImpl(RendererScheduler* renderer_scheduler)
  14     : renderer_scheduler_(renderer_scheduler),
  15       idle_task_runner_(renderer_scheduler_->IdleTaskRunner()) {
  16 }
  17
  18 WebSchedulerImpl::~WebSchedulerImpl() {
  19 }
  20
  21 bool WebSchedulerImpl::shouldYieldForHighPriorityWork() {
  22   return renderer_scheduler_->ShouldYieldForHighPriorityWork();
  23 }
  24
  25 void WebSchedulerImpl::runIdleTask(
  26     scoped_ptr<blink::WebScheduler::IdleTask> task,
  27     base::TimeTicks deadline) {
  28   task->run((deadline - base::TimeTicks()).InSecondsF());
  29 }
  30
  31 void WebSchedulerImpl::runTask(scoped_ptr<blink::WebThread::Task> task) {
  32   task->run();
  33 }
  34
  35 void WebSchedulerImpl::postIdleTask(const blink::WebTraceLocation& web_location,
  36                                     blink::WebScheduler::IdleTask* task) {
  37   scoped_ptr<blink::WebScheduler::IdleTask> scoped_task(task);
  38   tracked_objects::Location location(web_location.functionName(),
  39                                      web_location.fileName(), -1, nullptr);
  40   idle_task_runner_->PostIdleTask(
  41       location,
  42       base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
  43 }
  44
  45 void WebSchedulerImpl::postLoadingTask(
  46     const blink::WebTraceLocation& web_location, blink::WebThread::Task* task) {
  47   scoped_ptr<blink::WebThread::Task> scoped_task(task);
  48   tracked_objects::Location location(web_location.functionName(),
  49                                      web_location.fileName(), -1, nullptr);
  50   renderer_scheduler_->LoadingTaskRunner()->PostTask(
  51       location,
  52       base::Bind(&WebSchedulerImpl::runTask, base::Passed(&scoped_task)));
  53 }
  54
  55 void WebSchedulerImpl::shutdown() {
  56   return renderer_scheduler_->Shutdown();
  57 }
  58
  59 }  // namespace content