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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PERMISSIONS_NOTIFICATIONS_ENGAGEMENT_SERVICE_H_
#define COMPONENTS_PERMISSIONS_NOTIFICATIONS_ENGAGEMENT_SERVICE_H_
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "base/values.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/keyed_service/core/keyed_service.h"
class GURL;
class PrefService;
namespace content {
class BrowserContext;
} // namespace content
namespace permissions {
// This class records and stores notification engagement per origin for the
// past 30 days. Engagements per origin are bucketed daily: A notification
// engagement or display is assigned to the midnight in local time.
class NotificationsEngagementService : public KeyedService {
public:
explicit NotificationsEngagementService(content::BrowserContext* context,
PrefService* pref_service);
NotificationsEngagementService(const NotificationsEngagementService&) =
delete;
NotificationsEngagementService& operator=(
const NotificationsEngagementService&) = delete;
~NotificationsEngagementService() override = default;
// KeyedService implementation.
void Shutdown() override;
void RecordNotificationDisplayed(const GURL& url);
void RecordNotificationDisplayed(const GURL& url, int display_count);
void RecordNotificationInteraction(const GURL& url);
static std::map<std::pair<ContentSettingsPattern, ContentSettingsPattern>,
int>
GetNotificationCountMapPerPatternPair(const HostContentSettingsMap* hcsm);
static int GetDailyAverageNotificationCount(
const base::Value::Dict& engagement);
static std::string GetBucketLabel(base::Time time);
static std::optional<base::Time> ParsePeriodBeginFromBucketLabel(
const std::string& label);
private:
void IncrementCounts(const GURL& url,
const int display_count_delta,
const int click_count_delta);
static int GetDailyAverageNotificationCount(
const ContentSettingPatternSource& setting);
raw_ptr<PrefService> pref_service_;
raw_ptr<content::BrowserContext> browser_context_;
// Used to update the notification engagement per URL.
raw_ptr<HostContentSettingsMap> settings_map_;
};
} // namespace permissions
#endif // COMPONENTS_PERMISSIONS_NOTIFICATIONS_ENGAGEMENT_SERVICE_H_
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