base/pending_task.cc

   1 // Copyright 2011 The Chromium Authors
   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 "base/pending_task.h"
   6
   7
   8 namespace base {
   9
  10 PendingTask::PendingTask() = default;
  11
  12 PendingTask::PendingTask(const Location& posted_from,
  13                          OnceClosure task,
  14                          TimeTicks queue_time,
  15                          TimeTicks delayed_run_time,
  16                          TimeDelta leeway,
  17                          subtle::DelayPolicy delay_policy)
  18     : task(std::move(task)),
  19       posted_from(posted_from),
  20       queue_time(queue_time),
  21       delayed_run_time(delayed_run_time),
  22       leeway(leeway),
  23       delay_policy(delay_policy) {}
  24
  25 PendingTask::PendingTask(PendingTask&& other) = default;
  26
  27 PendingTask::~PendingTask() = default;
  28
  29 PendingTask& PendingTask::operator=(PendingTask&& other) = default;
  30
  31 TimeTicks PendingTask::GetDesiredExecutionTime() const {
  32   if (!delayed_run_time.is_null())
  33     return delayed_run_time;
  34   return queue_time;
  35 }
  36
  37 TimeTicks PendingTask::earliest_delayed_run_time() const {
  38   DCHECK(!delayed_run_time.is_null());
  39   if (delay_policy == subtle::DelayPolicy::kFlexiblePreferEarly)
  40     return delayed_run_time - leeway;
  41   return delayed_run_time;
  42 }
  43
  44 TimeTicks PendingTask::latest_delayed_run_time() const {
  45   DCHECK(!delayed_run_time.is_null());
  46   if (delay_policy == subtle::DelayPolicy::kFlexibleNoSooner)
  47     return delayed_run_time + leeway;
  48   return delayed_run_time;
  49 }
  50
  51 }  // namespace base