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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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