src/AssistRB/DlnaItemList.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using System.Net;
   6
   7 namespace AssistRB
   8 {
   9     public class DlnaItem
  10     {
  11         public string Parent { get; set; }
  12         public string Id { get; set; }
  13         public string Title { get; set; }
  14         public string Series { get; set; }
  15         public string ClassType { get; set; }
  16         public Int64 Size { get; set; }
  17         public string Date { get; set; }
  18     }
  19
  20     public class DlnaItemList
  21     {
  22         private const string RootFolderId = "FS-Folder";
  23
  24         static DlnaItemList instance = null;
  25
  26         private List<DlnaItem> dlnaItem = new List<DlnaItem>();
  27         private Dictionary<string, string> folderDictionary = new Dictionary<string, string>();
  28         private List<string> invalidFolder = new List<string>();
  29
  30         public delegate void ListChangedDelegate();
  31         public event ListChangedDelegate ListChanged;
  32
  33         public static DlnaItemList GetInstance()
  34         {
  35             if (instance == null)
  36             {
  37                 instance = new DlnaItemList();
  38                 instance.InvalidateAll();
  39             }
  40
  41             return instance;
  42         }
  43
  44         public void InvalidateAll()
  45         {
  46             invalidFolder.Clear();
  47             invalidFolder.Add(RootFolderId);
  48         }
  49
  50         public void Invalidate(string folder)
  51         {
  52             if (invalidFolder.Contains(RootFolderId))
  53             {
  54                 return;
  55             }
  56
  57             if (folder == RootFolderId)
  58             {
  59                 InvalidateAll();
  60             }
  61             else
  62             {
  63                 if (!invalidFolder.Contains(folder))
  64                 {
  65                     invalidFolder.Add(folder);
  66                 }
  67             }
  68         }
  69
  70         public List<DlnaItem> GetList()
  71         {
  72             return this.dlnaItem;
  73         }
  74
  75         public Dictionary<string, string> GetFolderList()
  76         {
  77             return this.folderDictionary;
  78         }
  79
  80         public List<string> GetInvalidList()
  81         {
  82             return this.invalidFolder;
  83         }
  84
  85         public void UpdateList(
  86             List<DlnaItem> newList)
  87         {
  88             this.dlnaItem = newList;
  89
  90             this.invalidFolder.Clear();
  91
  92             // フォルダ辞書の更新
  93             folderDictionary.Clear();
  94             folderDictionary.Add("FS-Folder", "ROOT");
  95             foreach (DlnaItem item in this.dlnaItem)
  96             {
  97                 if (item.ClassType == "container")
  98                 {
  99                     folderDictionary.Add(item.Id, item.Title);
 100                 }
 101             }
 102
 103             if (this.ListChanged != null)
 104             {
 105                 this.ListChanged();
 106             }
 107         }
 108     }
 109 }