class/Mono.WebBrowser/Mono.Mozilla/DOM/History.cs

   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:
   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) 2008 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Andreia Gaita (avidigal@novell.com)
  24 //
  25
  26 using System;
  27 using System.Runtime.InteropServices;
  28 using System.Text;
  29 using System.Collections;
  30 using Mono.WebBrowser;
  31 using Mono.WebBrowser.DOM;
  32
  33 namespace Mono.Mozilla.DOM
  34 {
  35         internal class History : DOMObject, IHistory
  36         {
  37                 private Navigation navigation;
  38
  39                 public History (WebBrowser control, Navigation navigation)
  40                         : base (control)
  41                 {
  42                         this.navigation = navigation;
  43                 }
  44
  45                 public int Count {
  46                         get { return navigation.HistoryCount; }
  47                 }
  48
  49                 public void Back (int count)
  50                 {
  51                         navigation.Go (count * -1, true);
  52                 }
  53
  54                 public void Forward (int count)
  55                 {
  56                         navigation.Go (count, true);
  57                 }
  58
  59                 public void GoToIndex (int index)
  60                 {
  61                         navigation.Go  (index);
  62                 }
  63                 public void GoToUrl (string url)
  64                 {
  65                         int index = -1;
  66                         nsISHistory history;
  67                         navigation.navigation.getSessionHistory(out history);
  68                         int count = Count;
  69                         nsIHistoryEntry entry;
  70                         for (int i = 0; i < count; i++) {
  71                                 nsIURI uri;
  72                                 history.getEntryAtIndex(i, false, out entry);
  73                                 entry.getURI (out uri);
  74                                 AsciiString spec = new AsciiString(String.Empty);
  75                                 uri.getSpec (spec.Handle);
  76                                 if (string.Compare (spec.ToString (), url, true) == 0) {
  77                                         index = i;
  78                                         break;
  79                                 }
  80                         }
  81                         if (index > -1)
  82                                 this.GoToIndex (index);
  83                 }
  84         }
  85 }