New file.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1054 72102866-910b-0410-8b05-ffd578937521

Source/Notification.m

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+/* Implementation of object for holding a notification
+   Copyright (C) 1996 Free Software Foundation, Inc.
+
+   Written by:  R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
+   Created: March 1996
+
+   This file is part of the GNU Objective C Class Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <objects/Notification.h>
+
+@implementation Notification
+
+/* This is the designated initializer. */
+- initWithName: (id <String>)name
+	object: object
+      userInfo: info
+{
+  [super init];
+  _name = [name retain];
+  _object = [object retain];
+  _info = [info retain];
+  return self;
+}
+
+- (void) dealloc
+{
+  [_name release];
+  [_object release];
+  [_info release];
+  [super dealloc];
+}
+
+
+/* Creating autoreleased Notification objects. */
+
++ notificationWithName: (id <String>)name
+		object: object
+	      userInfo: info
+{
+  return [[[self alloc] initWithName: name 
+			object: object 
+			userInfo: info]
+	   autorelease];
+}
+
++ notificationWithName: (id <String>)name
+		object: object
+{
+  return [self notificationWithName: name 
+	       object: object 
+	       userInfo: nil];
+}
+
+
+/* Querying a Notification object. */
+
+- (id <String>) name
+{
+  return _name;
+}
+
+- object
+{
+  return _object;
+}
+
+- userInfo
+{
+  return _info;
+}
+
+
+/* NSCopying protocol. */
+
+- copyWithZone: (NSZone*)zone
+{
+  if (NSShouldRetainWithZone (self, zone))
+    return [self retain];
+
+  /* xxx How deep should the copy go?  Should we copy _name, etc.? */
+  return [[[self class] allocWithZone: zone]
+	   initWithName: _name
+	   object: _object
+	   userInfo: _info];
+}
+
+@end