chromium/content/browser/notifications/notification_database.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_NOTIFICATIONS_NOTIFICATION_DATABASE_H_
#define CONTENT_BROWSER_NOTIFICATIONS_NOTIFICATION_DATABASE_H_

#include <stdint.h>

#include <memory>
#include <optional>
#include <set>
#include <vector>

#include "base/files/file_path.h"
#include "base/sequence_checker.h"
#include "content/common/content_export.h"
#include "content/public/browser/platform_notification_context.h"

class GURL;

namespace blink {
struct NotificationResources;
}  // namespace blink

namespace leveldb {
class DB;
class Env;
class FilterPolicy;
}  // namespace leveldb

namespace content {

struct NotificationDatabaseData;

// Implementation of the persistent notification database.
//
// The database is built on top of a LevelDB database, either in memory or on
// the filesystem depending on the path passed to the constructor. When writing
// a new notification, it will be assigned an id guaranteed to be unique for the
// lifetime of the database.
//
// This class must only be used on a thread or sequenced task runner that allows
// file I/O. The same thread or task runner must be used for all method calls.
class CONTENT_EXPORT NotificationDatabase { … };

}  // namespace content

#endif  // CONTENT_BROWSER_NOTIFICATIONS_NOTIFICATION_DATABASE_H_