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/*
* CPNotification.j
* Foundation
*
* Created by Francisco Tolmasky.
* Copyright 2008, 280 North, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@import "CPException.j"
@import "CPObject.j"
/*!
@class CPNotification
@ingroup foundation
@brief A notification that can be posted to a CPNotificationCenter.
Represents a notification for posting to an CPNotificationCenter. Consists
of a name, an object, and an optional dictionary. The notification center
will check for observers registered to receive either notifications with
the name, the object, or both and pass the notification instance on to them.
To create a notification use one of the class methods. The default init
method will throw a CPUnsupportedMethodException.
*/
@implementation CPNotification : CPObject
{
CPString _name;
id _object;
CPDictionary _userInfo;
}
/*!
Creates a new notification with the specified name, object and dictionary.
@param aNotificationName the name of the notification
@param anObject the associated object
@param aUserInfo the associated dictionary
@return the new notification
*/
+ (CPNotification)notificationWithName:(CPString)aNotificationName object:(id)anObject userInfo:(CPDictionary)aUserInfo
{
return [[self alloc] initWithName:aNotificationName object:anObject userInfo:aUserInfo];
}
/*!
Creates a new notification with the specified name and object.
@param aNotificationName the name of the notification
@param anObject the associated object
@return the new notification
*/
+ (CPNotification)notificationWithName:(CPString)aNotificationName object:(id)anObject
{
return [[self alloc] initWithName:aNotificationName object:anObject userInfo:nil];
}
/*!
@throws CPUnsupportedMethodException always, because the method should not be used
*/
- (id)init
{
[CPException raise:CPUnsupportedMethodException
reason:"CPNotification's init method should not be used"];
}
/*!
Initializes the notification with a name, object and dictionary
@param aNotificationName the name of the notification
@param anObject the associated object
@param aUserInfo the associated dictionary
@return the initialized notification
@ignore
*/
- (id)initWithName:(CPString)aNotificationName object:(id)anObject userInfo:(CPDictionary)aUserInfo
{
self = [super init];
if (self)
{
_name = aNotificationName;
_object = anObject;
_userInfo = aUserInfo;
}
return self;
}
/*!
Returns the notification name.
*/
- (CPString)name
{
return _name;
}
/*!
Returns the notification's object.
*/
- (id)object
{
return _object;
}
/*!
Returns the notification's dictionary.
*/
- (CPDictionary)userInfo
{
return _userInfo;
}
@end
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