chromium/chrome/browser/extensions/activity_log/counting_policy.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_
#define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_

#include <stdint.h>

#include <string>

#include "base/gtest_prod_util.h"
#include "base/time/time.h"
#include "chrome/browser/extensions/activity_log/activity_database.h"
#include "chrome/browser/extensions/activity_log/activity_log_policy.h"
#include "chrome/browser/extensions/activity_log/database_string_table.h"

namespace extensions {

// A policy for logging the stream of actions, but with most arguments stripped
// out (to improve privacy and reduce database size) and with multiple
// identical rows combined together using a count column to track the total
// number of repetitions.  Identical rows within the same day are merged, but
// actions on separate days are kept distinct.  Data is kept for up to a few
// days then deleted.
class CountingPolicy : public ActivityLogDatabasePolicy { … };

}  // namespace extensions

#endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_