/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#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.
*/
@interface OFNotification: OFObject <OFCopying>
{
OFNotificationName _name;
id _Nullable _object;
OFDictionary *_Nullable _userInfo;
OF_RESERVE_IVARS(OFNotification, 4)
}
/**
* @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;
- (instancetype)init OF_UNAVAILABLE;
@end
OF_ASSUME_NONNULL_END