OpenTween/Models/FilterTabModel.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2007-2011 kiri_feather (@kiri_feather) <kiri.feather@gmail.com>
   3 //           (c) 2008-2011 Moz (@syo68k)
   4 //           (c) 2008-2011 takeshik (@takeshik) <http://www.takeshik.org/>
   5 //           (c) 2010-2011 anis774 (@anis774) <http://d.hatena.ne.jp/anis774/>
   6 //           (c) 2010-2011 fantasticswallow (@f_swallow) <http://twitter.com/f_swallow>
   7 //           (c) 2011      Egtra (@egtra) <http://dev.activebasic.com/egtra/>
   8 //           (c) 2012      kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   9 // All rights reserved.
  10 //
  11 // This file is part of OpenTween.
  12 //
  13 // This program is free software; you can redistribute it and/or modify it
  14 // under the terms of the GNU General Public License as published by the Free
  15 // Software Foundation; either version 3 of the License, or (at your option)
  16 // any later version.
  17 //
  18 // This program is distributed in the hope that it will be useful, but
  19 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  21 // for more details.
  22 //
  23 // You should have received a copy of the GNU General Public License along
  24 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  25 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  26 // Boston, MA 02110-1301, USA.
  27
  28 using System;
  29 using System.Collections.Generic;
  30 using System.ComponentModel;
  31 using System.Linq;
  32 using System.Text;
  33 using System.Threading.Tasks;
  34
  35 namespace OpenTween.Models
  36 {
  37     public class FilterTabModel : TabModel
  38     {
  39         public override MyCommon.TabUsageType TabType
  40             => MyCommon.TabUsageType.UserDefined;
  41
  42         public bool FilterModified { get; set; }
  43
  44         private readonly List<PostFilterRule> _filters = new List<PostFilterRule>();
  45         private readonly object lockObjFilters = new object();
  46
  47         public FilterTabModel(string tabName) : base(tabName)
  48         {
  49         }
  50
  51         //フィルタに合致したら追加
  52         public MyCommon.HITRESULT AddFiltered(PostClass post, bool immediately = false)
  53         {
  54             if (this.IsInnerStorageTabType)
  55                 return MyCommon.HITRESULT.None;
  56
  57             var rslt = MyCommon.HITRESULT.None;
  58
  59             //全フィルタ評価（優先順位あり）
  60             lock (this.lockObjFilters)
  61             {
  62                 foreach (var ft in _filters)
  63                 {
  64                     try
  65                     {
  66                         switch (ft.ExecFilter(post))   //フィルタクラスでヒット判定
  67                         {
  68                             case MyCommon.HITRESULT.None:
  69                                 break;
  70                             case MyCommon.HITRESULT.Copy:
  71                                 if (rslt != MyCommon.HITRESULT.CopyAndMark) rslt = MyCommon.HITRESULT.Copy;
  72                                 break;
  73                             case MyCommon.HITRESULT.CopyAndMark:
  74                                 rslt = MyCommon.HITRESULT.CopyAndMark;
  75                                 break;
  76                             case MyCommon.HITRESULT.Move:
  77                                 rslt = MyCommon.HITRESULT.Move;
  78                                 break;
  79                             case MyCommon.HITRESULT.Exclude:
  80                                 rslt = MyCommon.HITRESULT.Exclude;
  81                                 goto exit_for;
  82                         }
  83                     }
  84                     catch (NullReferenceException)
  85                     {
  86                         // ExecFilterでNullRef出る場合あり。暫定対応
  87                         MyCommon.TraceOut("ExecFilterでNullRef: " + ft);
  88                         rslt = MyCommon.HITRESULT.None;
  89                     }
  90                 }
  91                 exit_for:
  92                 ;
  93             }
  94
  95             if (this.TabType != MyCommon.TabUsageType.Mute &&
  96                 rslt != MyCommon.HITRESULT.None && rslt != MyCommon.HITRESULT.Exclude)
  97             {
  98                 if (immediately)
  99                     this.AddPostImmediately(post.StatusId, post.IsRead);
 100                 else
 101                     this.AddPostQueue(post);
 102             }
 103
 104             return rslt; //マーク付けは呼び出し元で行うこと
 105         }
 106
 107
 108         public PostFilterRule[] GetFilters()
 109         {
 110             lock (this.lockObjFilters)
 111             {
 112                 return _filters.ToArray();
 113             }
 114         }
 115
 116         public void RemoveFilter(PostFilterRule filter)
 117         {
 118             lock (this.lockObjFilters)
 119             {
 120                 _filters.Remove(filter);
 121                 filter.PropertyChanged -= this.OnFilterModified;
 122                 this.FilterModified = true;
 123             }
 124         }
 125
 126         public bool AddFilter(PostFilterRule filter)
 127         {
 128             lock (this.lockObjFilters)
 129             {
 130                 if (_filters.Contains(filter)) return false;
 131                 filter.PropertyChanged += this.OnFilterModified;
 132                 _filters.Add(filter);
 133                 this.FilterModified = true;
 134                 return true;
 135             }
 136         }
 137
 138         private void OnFilterModified(object sender, PropertyChangedEventArgs e)
 139             => this.FilterModified = true;
 140
 141         public PostFilterRule[] FilterArray
 142         {
 143             get
 144             {
 145                 lock (this.lockObjFilters)
 146                 {
 147                     return _filters.ToArray();
 148                 }
 149             }
 150             set
 151             {
 152                 lock (this.lockObjFilters)
 153                 {
 154                     foreach (var oldFilter in this._filters)
 155                     {
 156                         oldFilter.PropertyChanged -= this.OnFilterModified;
 157                     }
 158
 159                     this._filters.Clear();
 160                     this.FilterModified = true;
 161
 162                     foreach (var newFilter in value)
 163                     {
 164                         _filters.Add(newFilter);
 165                         newFilter.PropertyChanged += this.OnFilterModified;
 166                     }
 167                 }
 168             }
 169         }
 170
 171         public override Task RefreshAsync(Twitter tw, bool backward, bool startup, IProgress<string> progress)
 172         {
 173             var homeTab = TabInformations.GetInstance().GetTabByType<HomeTabModel>();
 174
 175             return homeTab.RefreshAsync(tw, backward, startup, progress);
 176         }
 177     }
 178 }