Fix bug #395
[mono.git] / mcs / class / Managed.Windows.Forms / System.Windows.Forms / HtmlHistory.cs
1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
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7 // the following conditions:
8 // 
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
11 // 
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.
19 //
20 // Copyright (c) 2007, 2008 Novell, Inc.
21 //
22 // Authors:
23 //      Andreia Gaita (avidigal@novell.com)
24 //
25
26
27 using System;
28 using Mono.WebBrowser.DOM;
29
30 namespace System.Windows.Forms
31 {
32         public sealed class HtmlHistory : IDisposable
33         {
34                 private bool disposed;
35                 private Mono.WebBrowser.IWebBrowser webHost;
36                 private Mono.WebBrowser.DOM.IHistory history;
37
38                 internal HtmlHistory (Mono.WebBrowser.IWebBrowser webHost, 
39                                       Mono.WebBrowser.DOM.IHistory history)
40                 {
41                         this.webHost = webHost;
42                         this.history = history;
43                 }
44                 
45                 #region IDisposable Members
46
47                 private void Dispose (bool disposing)
48                 {
49                         if (!disposed) {
50                                 disposed = true;
51                         }
52                 }
53
54                 public void Dispose ()
55                 {
56                         Dispose (true);
57                         GC.SuppressFinalize (this);
58                 }
59
60                 #endregion
61
62                 #region Properties
63                 public int Length {
64                         get { return webHost.Navigation.HistoryCount; }
65                 }
66
67                 [MonoTODO ("Not supported, will throw NotSupportedException")]
68                 public object DomHistory {
69                         get { throw new NotSupportedException ("Retrieving a reference to an mshtml interface is not supported. Sorry."); } 
70                 }
71                 #endregion
72
73
74                 public void Back (int numberBack)
75                 {
76                         history.Back (numberBack);
77                 }
78                 
79                 public void Forward (int numberForward)
80                 {
81                         history.Forward (numberForward);
82                 }
83                 
84                 public void Go (int relativePosition)
85                 {
86                         history.GoToIndex (relativePosition);
87                 }
88
89                 public void Go (string urlString)
90                 {
91                         history.GoToUrl (urlString);
92                 }
93
94                 public void Go (Uri url)
95                 {
96                         history.GoToUrl (url.ToString ());
97                 }
98         }
99 }