1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 // Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
23 // Chris Toshok (toshok@novell.com)
24 // Brian O'Keefe (zer0keefie@gmail.com)
27 using System.Collections.Specialized;
28 using System.ComponentModel;
29 using System.Runtime.CompilerServices;
31 namespace System.Collections.ObjectModel
33 [TypeForwardedFrom (Consts.WindowsBase_3_0)]
34 public class ReadOnlyObservableCollection<T> : ReadOnlyCollection<T>, INotifyCollectionChanged, INotifyPropertyChanged {
36 public ReadOnlyObservableCollection(ObservableCollection<T> list)
39 ((INotifyPropertyChanged)list).PropertyChanged += SourceCollection_PropertyChanged;
40 ((INotifyCollectionChanged)list).CollectionChanged += SourceCollection_CollectionChanged;
43 protected virtual event NotifyCollectionChangedEventHandler CollectionChanged;
45 protected virtual event PropertyChangedEventHandler PropertyChanged;
47 event NotifyCollectionChangedEventHandler INotifyCollectionChanged.CollectionChanged {
48 add { this.CollectionChanged += value; }
49 remove { this.CollectionChanged -= value; }
52 event PropertyChangedEventHandler INotifyPropertyChanged.PropertyChanged {
53 add { this.PropertyChanged += value; }
54 remove { this.PropertyChanged -= value; }
57 protected virtual void OnCollectionChanged (NotifyCollectionChangedEventArgs args)
59 NotifyCollectionChangedEventHandler eh = CollectionChanged;
65 protected virtual void OnPropertyChanged (PropertyChangedEventArgs args)
67 PropertyChangedEventHandler eh = PropertyChanged;
73 private void SourceCollection_CollectionChanged (object sender, NotifyCollectionChangedEventArgs e)
75 OnCollectionChanged (e);
78 private void SourceCollection_PropertyChanged (object sender, PropertyChangedEventArgs e)
80 OnPropertyChanged (e);