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// Copyright 2017 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/metrics/metrics_rotation_scheduler.h"
#include "base/metrics/histogram_macros.h"
#include "build/build_config.h"
namespace metrics {
MetricsRotationScheduler::MetricsRotationScheduler(
const base::RepeatingClosure& upload_callback,
const base::RepeatingCallback<base::TimeDelta(void)>&
upload_interval_callback,
bool fast_startup_for_testing)
: MetricsScheduler(upload_callback, fast_startup_for_testing),
init_task_complete_(false),
waiting_for_init_task_complete_(false),
upload_interval_callback_(upload_interval_callback) {}
MetricsRotationScheduler::~MetricsRotationScheduler() {}
void MetricsRotationScheduler::InitTaskComplete() {
DCHECK(!init_task_complete_);
init_task_complete_ = true;
if (waiting_for_init_task_complete_) {
waiting_for_init_task_complete_ = false;
TriggerTask();
} else {
LogMetricsInitSequence(INIT_TASK_COMPLETED_FIRST);
}
}
void MetricsRotationScheduler::RotationFinished() {
TaskDone(upload_interval_callback_.Run());
}
void MetricsRotationScheduler::LogMetricsInitSequence(InitSequence sequence) {
UMA_HISTOGRAM_ENUMERATION("UMA.InitSequence", sequence,
INIT_SEQUENCE_ENUM_SIZE);
}
void MetricsRotationScheduler::TriggerTask() {
// If the timer fired before the init task has completed, don't trigger the
// upload yet - wait for the init task to complete and do it then.
if (!init_task_complete_) {
LogMetricsInitSequence(TIMER_FIRED_FIRST);
waiting_for_init_task_complete_ = true;
return;
}
MetricsScheduler::TriggerTask();
}
} // namespace metrics
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