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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/base/virtual_time_domain.h"
#include "base/bind.h"
#include "components/scheduler/base/task_queue_impl.h"
#include "components/scheduler/base/task_queue_manager.h"
#include "components/scheduler/base/task_queue_manager_delegate.h"
namespace scheduler {
VirtualTimeDomain::VirtualTimeDomain(TimeDomain::Observer* observer,
base::TimeTicks initial_time)
: TimeDomain(observer), now_(initial_time), task_queue_manager_(nullptr) {}
VirtualTimeDomain::~VirtualTimeDomain() {}
void VirtualTimeDomain::OnRegisterWithTaskQueueManager(
TaskQueueManager* task_queue_manager) {
task_queue_manager_ = task_queue_manager;
DCHECK(task_queue_manager_);
}
LazyNow VirtualTimeDomain::CreateLazyNow() {
base::AutoLock lock(lock_);
return LazyNow(now_);
}
base::TimeTicks VirtualTimeDomain::ComputeDelayedRunTime(
base::TimeTicks time_domain_now,
base::TimeDelta delay) const {
return time_domain_now + delay;
}
void VirtualTimeDomain::RequestWakeup(LazyNow* lazy_now,
base::TimeDelta delay) {
// We don't need to do anything here because the caller of AdvanceTo is
// responsible for calling TaskQueueManager::MaybeScheduleImmediateWork if
// needed.
}
bool VirtualTimeDomain::MaybeAdvanceTime() {
return false;
}
void VirtualTimeDomain::AsValueIntoInternal(
base::trace_event::TracedValue* state) const {}
void VirtualTimeDomain::AdvanceTo(base::TimeTicks now) {
base::AutoLock lock(lock_);
DCHECK_GE(now, now_);
now_ = now;
}
void VirtualTimeDomain::RequestDoWork() {
task_queue_manager_->MaybeScheduleImmediateWork(FROM_HERE);
}
const char* VirtualTimeDomain::GetName() const {
return "VirtualTimeDomain";
}
} // namespace scheduler
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