/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#import "OFObject.h"
OF_ASSUME_NONNULL_BEGIN
/** @file */
@class OFConstantString;
@class OFDictionary OF_GENERIC(KeyType, ObjectType);
/**
* @brief A name for a notification.
*/
typedef OFConstantString *OFNotificationName;
/**
* @class OFNotification OFNotification.h ObjFW/OFNotification.h
*
* @brief A class to represent a notification for or from
* @ref OFNotificationCenter.
*/
OF_SUBCLASSING_RESTRICTED
@interface OFNotification: OFObject <OFCopying>
{
OFNotificationName _name;
id _Nullable _object;
OFDictionary *_Nullable _userInfo;
}
/**
* @brief The name of the notification.
*/
@property (readonly, nonatomic) OFNotificationName name;
/**
* @brief The object of the notification. This is commonly the sender of the
* notification.
*/
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) id object;
/**
* @brief Additional information about the notification.
*/
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFDictionary *userInfo;
/**
* @brief Creates a new notification with the specified name and object.
*
* @param name The name for the notification
* @param object The object for the notification. This is commonly the sender
* of the notification.
* @return A new, autoreleased OFNotification
*/
+ (instancetype)notificationWithName: (OFNotificationName)name
object: (nullable id)object;
/**
* @brief Creates a new notification with the specified name, object and
* additional information.
*
* @param name The name for the notification
* @param object The object for the notification. This is commonly the sender
* of the notification.
* @param userInfo Additional information for the notification
* @return A new, autoreleased OFNotification
*/
+ (instancetype)notificationWithName: (OFNotificationName)name
object: (nullable id)object
userInfo: (nullable OFDictionary *)userInfo;
/**
* @brief Initializes an already allocated notification with the specified
* name and object.
*
* @param name The name for the notification
* @param object The object for the notification. This is commonly the sender
* of the notification.
* @return An initialized OFNotification
*/
- (instancetype)initWithName: (OFNotificationName)name
object: (nullable id)object;
/**
* @brief Initializes an already allocated notification with the specified
* name, object and additional information.
*
* @param name The name for the notification
* @param object The object for the notification. This is commonly the sender
* of the notification.
* @param userInfo Additional information for the notification
* @return An initialized OFNotification
*/
- (instancetype)initWithName: (OFNotificationName)name
object: (nullable id)object
userInfo: (nullable OFDictionary *)userInfo
OF_DESIGNATED_INITIALIZER;
@end
OF_ASSUME_NONNULL_END