//------------------------------------------------------------
// Copyright (c) Microsoft Corporation.  All rights reserved.
//------------------------------------------------------------

namespace System.ServiceModel.Syndication
{
    using System.Collections.ObjectModel;
    using System.Runtime.Serialization;
    using System.Xml.Serialization;
    using System.Collections.Generic;
    using System.Xml;
    using System.Runtime.CompilerServices;

    [TypeForwardedFrom("System.ServiceModel.Web, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35")]
    public class Workspace : IExtensibleSyndicationObject
    {
        Uri baseUri;
        Collection<ResourceCollectionInfo> collections;
        ExtensibleSyndicationObject extensions = new ExtensibleSyndicationObject();
        TextSyndicationContent title;

        public Workspace()
        {
        }

        public Workspace(string title, IEnumerable<ResourceCollectionInfo> collections)
            : this((title != null) ? new TextSyndicationContent(title) : null, collections)
        {
        }

        public Workspace(TextSyndicationContent title, IEnumerable<ResourceCollectionInfo> collections)
        {
            this.title = title;
            if (collections != null)
            {
                this.collections = new NullNotAllowedCollection<ResourceCollectionInfo>();
                foreach (ResourceCollectionInfo collection in collections)
                {
                    this.collections.Add(collection);
                }
            }
        }

        public Dictionary<XmlQualifiedName, string> AttributeExtensions
        {
            get
            {
                return this.extensions.AttributeExtensions;
            }
        }

        public Uri BaseUri
        {
            get { return this.baseUri; }
            set { this.baseUri = value; }
        }

        public Collection<ResourceCollectionInfo> Collections
        {
            get
            {
                if (this.collections == null)
                {
                    this.collections = new NullNotAllowedCollection<ResourceCollectionInfo>();
                }
                return this.collections;
            }
        }

        public SyndicationElementExtensionCollection ElementExtensions
        {
            get
            {
                return this.extensions.ElementExtensions;
            }
        }

        public TextSyndicationContent Title
        {
            get { return this.title; }
            set { this.title = value; }
        }

        protected internal virtual ResourceCollectionInfo CreateResourceCollection()
        {
            return new ResourceCollectionInfo();
        }

        protected internal virtual bool TryParseAttribute(string name, string ns, string value, string version)
        {
            return false;
        }

        protected internal virtual bool TryParseElement(XmlReader reader, string version)
        {
            return false;
        }

        protected internal virtual void WriteAttributeExtensions(XmlWriter writer, string version)
        {
            this.extensions.WriteAttributeExtensions(writer);
        }

        protected internal virtual void WriteElementExtensions(XmlWriter writer, string version)
        {
            this.extensions.WriteElementExtensions(writer);
        }

        internal void LoadElementExtensions(XmlReader readerOverUnparsedExtensions, int maxExtensionSize)
        {
            this.extensions.LoadElementExtensions(readerOverUnparsedExtensions, maxExtensionSize);
        }

        internal void LoadElementExtensions(XmlBuffer buffer)
        {
            this.extensions.LoadElementExtensions(buffer);
        }
    }
}