chromium/chrome/browser/notifications/scheduler/internal/impression_history_tracker.h

// Copyright 2019 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_NOTIFICATIONS_SCHEDULER_INTERNAL_IMPRESSION_HISTORY_TRACKER_H_
#define CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_INTERNAL_IMPRESSION_HISTORY_TRACKER_H_

#include <map>
#include <memory>
#include <string>
#include <vector>

#include "base/containers/circular_deque.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "base/memory/weak_ptr.h"
#include "base/time/clock.h"
#include "base/time/time.h"
#include "chrome/browser/notifications/scheduler/internal/collection_store.h"
#include "chrome/browser/notifications/scheduler/internal/impression_types.h"
#include "chrome/browser/notifications/scheduler/internal/scheduler_config.h"
#include "chrome/browser/notifications/scheduler/public/impression_detail.h"
#include "chrome/browser/notifications/scheduler/public/throttle_config.h"
#include "chrome/browser/notifications/scheduler/public/user_action_handler.h"

namespace notifications {

// Provides functionalities to update notification impression history and adjust
// maximum daily notification shown to the user.
class ImpressionHistoryTracker : public UserActionHandler { … };

// An implementation of ImpressionHistoryTracker backed by a database.
class ImpressionHistoryTrackerImpl : public ImpressionHistoryTracker { … };

}  // namespace notifications

#endif  // CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_INTERNAL_IMPRESSION_HISTORY_TRACKER_H_