blob: 32528e15df426a5088f502071963bb8934a689bf [file] [log] [blame]
// Copyright (c) 2013 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/variations/variations_request_scheduler_mobile.h"
#include "components/prefs/pref_service.h"
#include "components/variations/pref_names.h"
namespace variations {
namespace {
// Time before attempting a seed fetch after a ScheduleFetch(), in seconds.
const int kScheduleFetchDelaySeconds = 5;
} // namespace
const base::Closure& task,
PrefService* local_state) :
VariationsRequestScheduler(task), local_state_(local_state) {
VariationsRequestSchedulerMobile::~VariationsRequestSchedulerMobile() {
void VariationsRequestSchedulerMobile::Start() {
// Check the time of the last request. If it has been longer than the fetch
// period, run the task. Otherwise, do nothing. Note that no future requests
// are scheduled since it is unlikely that the mobile process would live long
// enough for the timer to fire.
const base::Time last_fetch_time =
if (base::Time::Now() > last_fetch_time + GetFetchPeriod()) {
last_request_time_ = base::Time::Now();
void VariationsRequestSchedulerMobile::Reset() {
void VariationsRequestSchedulerMobile::OnAppEnterForeground() {
// Verify we haven't just attempted a fetch (which has not completed). This
// is mainly used to verify we don't trigger a second fetch for the
// OnAppEnterForeground right after startup.
if (base::Time::Now() < last_request_time_ + GetFetchPeriod())
// Since Start() launches a one-off execution, we can reuse it here. Also
// note that since Start() verifies that the seed needs to be refreshed, we
// do not verify here.
// static
VariationsRequestScheduler* VariationsRequestScheduler::Create(
const base::Closure& task,
PrefService* local_state) {
return new VariationsRequestSchedulerMobile(task, local_state);
} // namespace variations