chromium/chrome/browser/updates/announcement_notification/announcement_notification_service.h

// Copyright 2020 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_UPDATES_ANNOUNCEMENT_NOTIFICATION_ANNOUNCEMENT_NOTIFICATION_SERVICE_H_
#define CHROME_BROWSER_UPDATES_ANNOUNCEMENT_NOTIFICATION_ANNOUNCEMENT_NOTIFICATION_SERVICE_H_

#include <memory>

#include "base/feature_list.h"
#include "components/keyed_service/core/keyed_service.h"
#include "url/gurl.h"

namespace base {
class Clock;
}  // namespace base

class PrefRegistrySimple;
class PrefService;
class Profile;

// Whether to enable announcement notification system.
BASE_DECLARE_FEATURE(kAnnouncementNotification);

// The Finch parameter name for a boolean value that whether to show
// notification on first run.
constexpr char kSkipFirstRun[] = …;

// The Finch parameter name for a string value that represents a time.
// If first run happens after this time, notification will not show.
// The string defined in Finch config should specify the time zone.
// e.g. 02 Feb 2020 13:00:00 GMT.
constexpr char kSkipFirstRunAfterTime[] = …;

// The Finch parameter name for a boolean value that whether to show
// notification for new profile.
constexpr char kSkipNewProfile[] = …;

// The Finch parameter to control whether to skip notification display.
constexpr char kSkipDisplay[] = …;

// The Finch parameter to define the latest version number of the notification.
constexpr char kVersion[] = …;

// The Finch parameter to define whether to show the announcement to users not
// signed in.
constexpr char kRequireSignout[] = …;

// The Finch parameter to define whether to show the announcement to users not
// signed in.
constexpr char kShowOneAllProfiles[] = …;

// The Finch parameter to define the announcement URL.
constexpr char kAnnouncementUrl[] = …;

// Preference name to persist the current version sent from Finch parameter.
constexpr char kCurrentVersionPrefName[] = …;

// Preference name to persist the time of Chrome first run.
constexpr char kAnnouncementFirstRunTimePrefName[] = …;

// Used to show a notification when the version defined in Finch parameter is
// higher than the last version saved in the preference service.
class AnnouncementNotificationService : public KeyedService { … };

#endif  // CHROME_BROWSER_UPDATES_ANNOUNCEMENT_NOTIFICATION_ANNOUNCEMENT_NOTIFICATION_SERVICE_H_