// Copyright 2016 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 "base/task_scheduler/task.h"

#include <utility>

#include "base/critical_closure.h"

namespace base {
namespace internal {

Task::Task(const tracked_objects::Location& posted_from,
           Closure task,
           const TaskTraits& traits,
           TimeDelta delay)
    : PendingTask(
          posted_from,
          traits.shutdown_behavior() == TaskShutdownBehavior::BLOCK_SHUTDOWN
              ? MakeCriticalClosure(std::move(task))
              : std::move(task),
          delay.is_zero() ? TimeTicks() : TimeTicks::Now() + delay,
          false),  // Not nestable.
      // Prevent a delayed BLOCK_SHUTDOWN task from blocking shutdown before
      // being scheduled by changing its shutdown behavior to SKIP_ON_SHUTDOWN.
      traits(!delay.is_zero() && traits.shutdown_behavior() ==
                                     TaskShutdownBehavior::BLOCK_SHUTDOWN
                 ? TaskTraits(traits).WithShutdownBehavior(
                       TaskShutdownBehavior::SKIP_ON_SHUTDOWN)
                 : traits),
      delay(delay) {}

Task::~Task() = default;

}  // namespace internal
}  // namespace base