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// Copyright 2015 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.
#ifndef CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_
#define CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_
#include "base/macros.h"
#include "base/time/time.h"
#include "content/browser/background_sync/background_sync.pb.h"
#include "content/browser/background_sync/background_sync_status.h"
namespace content {
// This class contains the logic for recording usage metrics for the Background
// Sync API. It is stateless, containing only static methods, so it can be used
// by any of the Background Sync code, without needing to be instantiated
// explicitly.
class BackgroundSyncMetrics {
public:
enum RegistrationCouldFire {
REGISTRATION_COULD_NOT_FIRE,
REGISTRATION_COULD_FIRE
};
enum RegistrationIsDuplicate {
REGISTRATION_IS_NOT_DUPLICATE,
REGISTRATION_IS_DUPLICATE
};
// Records the start of a sync event.
static void RecordEventStarted(SyncPeriodicity periodicity,
bool startedin_foreground);
// Records the result of a single sync event firing.
static void RecordEventResult(SyncPeriodicity periodicity,
bool result,
bool finished_in_foreground);
// Records the result of running a batch of sync events, including the total
// time spent, and the batch size.
static void RecordBatchSyncEventComplete(const base::TimeDelta& time,
int number_of_batched_sync_events);
// Records the result of successfully registering a sync. |could_fire|
// indicates whether the conditions were sufficient for the sync to fire
// immediately at the time it was registered.
static void CountRegisterSuccess(
SyncPeriodicity periodicity,
RegistrationCouldFire could_fire,
RegistrationIsDuplicate registration_is_duplicate);
// Records the status of a failed sync registration.
static void CountRegisterFailure(SyncPeriodicity periodicity,
BackgroundSyncStatus status);
// Records the result of trying to unregister a sync.
static void CountUnregister(SyncPeriodicity periodicity,
BackgroundSyncStatus result);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(BackgroundSyncMetrics);
};
} // namespace content
#endif // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_
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