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