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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Diagnostics;
using System.Reflection;
using System.Xml;
using System.IO;
using System.Security;
using System.ComponentModel.Design.Serialization;
using System.Windows.Xps.Packaging;
using System.Windows.Documents;
using System.Windows.Media;
using System.Windows.Markup;
namespace System.Windows.Xps.Serialization
{
/// <summary>
///
/// </summary>
internal class ReachDocumentReferenceCollectionSerializerAsync :
ReachSerializerAsync
{
/// <summary>
/// Creates new serializer for a DocumentReferenceCollection
/// </summary>
/// <param name="manager">serialization manager for this seriaizer</param>
public
ReachDocumentReferenceCollectionSerializerAsync(
PackageSerializationManager manager
):
base(manager)
{
}
public
override
void
AsyncOperation(
ReachSerializerContext context
)
{
switch (context.Action)
{
case SerializerAction.endPersistObjectData:
{
EndPersistObjectData();
break;
}
case SerializerAction.serializeNextDocumentReference:
{
DocumentReferenceCollectionSerializerContext thisContext =
context as DocumentReferenceCollectionSerializerContext;
if(thisContext != null)
{
SerializeNextDocumentReference(thisContext.Enumerator,
thisContext.ObjectContext);
}
break;
}
default:
{
base.AsyncOperation(context);
break;
}
}
}
/// <summary>
///
/// </summary>
internal
override
void
PersistObjectData(
SerializableObjectContext serializableObjectContext
)
{
ArgumentNullException.ThrowIfNull(serializableObjectContext);
// get DocumentReferenceCollection
System.Collections.Generic.IEnumerable<DocumentReference> enumerableObject = serializableObjectContext.TargetObject as System.Collections.Generic.IEnumerable<DocumentReference>;
if (enumerableObject == null)
{
throw new XpsSerializationException(SR.Format(SR.MustBeOfType, "serializableObjectContext.TargetObject", typeof(System.Collections.Generic.IEnumerable<DocumentReference>)));
}
SerializeDocumentReferences(serializableObjectContext);
}
internal
override
void
EndPersistObjectData(
)
{
//
// do nothing in this stage
//
}
/// <summary>
/// This is being called to serialize the DocumentReference items
/// contained within the colleciton
/// </summary>
private
void
SerializeDocumentReferences(
SerializableObjectContext serializableObjectContext
)
{
IEnumerator enumerator =
((System.Collections.Generic.IEnumerable<DocumentReference>)serializableObjectContext.TargetObject).
GetEnumerator();
enumerator.Reset();
DocumentReferenceCollectionSerializerContext
context = new DocumentReferenceCollectionSerializerContext(this,
serializableObjectContext,
enumerator,
SerializerAction.serializeNextDocumentReference);
((IXpsSerializationManagerAsync)SerializationManager).OperationStack.Push(context);
}
private
void
SerializeNextDocumentReference(
IEnumerator enumerator,
SerializableObjectContext serializableObjectContext
)
{
if(enumerator.MoveNext())
{
DocumentReferenceCollectionSerializerContext
context = new DocumentReferenceCollectionSerializerContext(this,
serializableObjectContext,
enumerator,
SerializerAction.serializeNextDocumentReference);
((IXpsSerializationManagerAsync)SerializationManager).OperationStack.Push(context);
object documentReference = enumerator.Current;
SerializeDocumentReference(documentReference);
}
}
/// <summary>
/// Called to serialize a single DocumentReference
/// </summary>
private
void
SerializeDocumentReference(
object documentReference
)
{
ReachSerializer serializer = SerializationManager.GetSerializer(documentReference);
if(serializer!=null)
{
serializer.SerializeObject(documentReference);
}
else
{
// should we throw if this is not a DocumentReference or just not do anything?
throw new XpsSerializationException(SR.ReachSerialization_NoSerializer);
}
}
};
internal class DocumentReferenceCollectionSerializerContext :
ReachSerializerContext
{
public
DocumentReferenceCollectionSerializerContext(
ReachSerializerAsync serializer,
SerializableObjectContext objectContext,
IEnumerator enumerator,
SerializerAction action
):
base(serializer,objectContext,action)
{
this._enumerator = enumerator;
}
public
IEnumerator
Enumerator
{
get
{
return _enumerator;
}
}
private
IEnumerator _enumerator;
};
}
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