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// Copyright 2015 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 "components/scheduler/child/web_scheduler_impl.h"
#include "base/bind.h"
#include "base/single_thread_task_runner.h"
#include "components/scheduler/child/web_task_runner_impl.h"
#include "components/scheduler/child/worker_scheduler.h"
#include "third_party/WebKit/public/platform/WebTraceLocation.h"
namespace scheduler {
WebSchedulerImpl::WebSchedulerImpl(
ChildScheduler* child_scheduler,
scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner,
scoped_refptr<TaskQueue> timer_task_runner)
: child_scheduler_(child_scheduler),
idle_task_runner_(idle_task_runner),
timer_task_runner_(timer_task_runner),
loading_web_task_runner_(new WebTaskRunnerImpl(loading_task_runner)),
timer_web_task_runner_(new WebTaskRunnerImpl(timer_task_runner)) {}
WebSchedulerImpl::~WebSchedulerImpl() {
}
void WebSchedulerImpl::shutdown() {
child_scheduler_->Shutdown();
}
bool WebSchedulerImpl::shouldYieldForHighPriorityWork() {
return child_scheduler_->ShouldYieldForHighPriorityWork();
}
bool WebSchedulerImpl::canExceedIdleDeadlineIfRequired() {
return child_scheduler_->CanExceedIdleDeadlineIfRequired();
}
void WebSchedulerImpl::runIdleTask(scoped_ptr<blink::WebThread::IdleTask> task,
base::TimeTicks deadline) {
task->run((deadline - base::TimeTicks()).InSecondsF());
}
void WebSchedulerImpl::postIdleTask(const blink::WebTraceLocation& web_location,
blink::WebThread::IdleTask* task) {
DCHECK(idle_task_runner_);
scoped_ptr<blink::WebThread::IdleTask> scoped_task(task);
tracked_objects::Location location(web_location.functionName(),
web_location.fileName(), -1, nullptr);
idle_task_runner_->PostIdleTask(
location,
base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
}
void WebSchedulerImpl::postNonNestableIdleTask(
const blink::WebTraceLocation& web_location,
blink::WebThread::IdleTask* task) {
DCHECK(idle_task_runner_);
scoped_ptr<blink::WebThread::IdleTask> scoped_task(task);
tracked_objects::Location location(web_location.functionName(),
web_location.fileName(), -1, nullptr);
idle_task_runner_->PostNonNestableIdleTask(
location,
base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
}
void WebSchedulerImpl::postIdleTaskAfterWakeup(
const blink::WebTraceLocation& web_location,
blink::WebThread::IdleTask* task) {
DCHECK(idle_task_runner_);
scoped_ptr<blink::WebThread::IdleTask> scoped_task(task);
tracked_objects::Location location(web_location.functionName(),
web_location.fileName(), -1, nullptr);
idle_task_runner_->PostIdleTaskAfterWakeup(
location,
base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
}
blink::WebTaskRunner* WebSchedulerImpl::loadingTaskRunner() {
return loading_web_task_runner_.get();
}
blink::WebTaskRunner* WebSchedulerImpl::timerTaskRunner() {
return timer_web_task_runner_.get();
}
void WebSchedulerImpl::postTimerTaskAt(
const blink::WebTraceLocation& web_location,
blink::WebTaskRunner::Task* task,
double monotonicTime) {
DCHECK(timer_task_runner_);
tracked_objects::Location location(web_location.functionName(),
web_location.fileName(), -1, nullptr);
timer_task_runner_->PostDelayedTaskAt(
location,
base::Bind(&WebTaskRunnerImpl::runTask,
base::Passed(scoped_ptr<blink::WebTaskRunner::Task>(task))),
base::TimeTicks() + base::TimeDelta::FromSecondsD(monotonicTime));
}
} // namespace scheduler
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