142 lines
4.9 KiB
C#
142 lines
4.9 KiB
C#
/*
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* Copyright (c) 2006-2016, openmetaverse.co
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* Copyright (c) 2021, Sjofn LLC.
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* All rights reserved.
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*
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* - Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Neither the name of the openmetaverse.co nor the names
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* of its contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Runtime.Serialization;
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using ProtoBuf;
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namespace OpenMetaverse
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{
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[Serializable]
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[ProtoContract(SkipConstructor=true)]
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public class InventoryNode : ISerializable
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{
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private InventoryNodeDictionary nodes;
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[ProtoMember(1)]
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public InventoryBase Data { get; set; }
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[ProtoMember(2)]
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public InventoryNode Parent { get; set; }
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[ProtoMember(3)]
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public UUID ParentID { get; }
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[ProtoMember(4)]
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public DateTime ModifyTime
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{
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get
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{
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if (Data is InventoryItem item)
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{
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return item.CreationDate;
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}
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DateTime newest = default; //.MinValue;
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if (Data is InventoryFolder)
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{
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foreach (var node in Nodes.Values)
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{
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var t = node.ModifyTime;
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if (t > newest) newest = t;
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}
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}
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return newest;
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}
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}
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/// <summary>
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/// For inventory folder nodes specifies weather the folder needs to be
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/// refreshed from the server
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/// </summary>
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[ProtoMember(5)]
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public bool NeedsUpdate { get; set; }
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public InventoryNodeDictionary Nodes
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{
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get => nodes ?? (nodes = new InventoryNodeDictionary(this));
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set => nodes = value;
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}
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/// <summary>
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/// InventoryNode Ctor
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/// </summary>
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/// <param name="data"><seealso cref="InventoryBase" /> data</param>
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public InventoryNode(InventoryBase data)
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{
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this.Data = data;
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}
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/// <summary>
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/// De-serialization constructor for the InventoryNode Class
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/// </summary>
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public InventoryNode(InventoryBase data, InventoryNode parent)
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{
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this.Data = data;
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this.Parent = parent;
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if (parent != null)
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{
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// Add this node to the collection of parent nodes
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lock (parent.Nodes.SyncRoot) parent.Nodes.Add(data.UUID, this);
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}
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}
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public void Sort()
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{
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Nodes.Sort();
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}
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/// <summary>
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/// Serialization handler for the InventoryNode Class
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/// </summary>
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public void GetObjectData(SerializationInfo info, StreamingContext ctxt)
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{
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info.AddValue("Parent", Parent?.Data.UUID ?? UUID.Zero, typeof(UUID));
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info.AddValue("Type", Data.GetType(), typeof(Type));
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Data.GetObjectData(info, ctxt);
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}
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/// <summary>
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/// De-serialization handler for the InventoryNode Class
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/// </summary>
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public InventoryNode(SerializationInfo info, StreamingContext ctxt)
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{
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ParentID = (UUID)info.GetValue("Parent", typeof(UUID));
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Type type = (Type)info.GetValue("Type", typeof(Type));
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// Construct a new inventory object based on the Type stored in Type
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System.Reflection.ConstructorInfo ctr = type.GetConstructor(new[] {typeof(SerializationInfo),typeof(StreamingContext)});
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Data = (InventoryBase) ctr?.Invoke(new object[] { info, ctxt });
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}
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public override string ToString()
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{
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return this.Data == null ? "[Empty Node]" : this.Data.ToString();
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}
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}
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}
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