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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.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Diagnostics;
using System.Reflection;
using System.Xml;
using System.IO;
using System.Printing;
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>
/// Leverages the functionality in XpsOMDocumentPageSerializer
/// to serialize a Document Page asynchronously
/// </summary>
internal class XpsOMDocumentPageSerializerAsync :
ReachSerializerAsync
{
public
XpsOMDocumentPageSerializerAsync(
PackageSerializationManager manager
)
:
base(manager)
{
///
/// Fail if manager is not XpsOMSerializationManagerAsync
///
_xpsOMSerializationManagerAsync = (XpsOMSerializationManagerAsync)manager;
_syncSerializer = new XpsOMDocumentPageSerializer(_xpsOMSerializationManagerAsync);
}
public
override
void
AsyncOperation(
ReachSerializerContext context
)
{
switch (context.Action)
{
case SerializerAction.endPersistObjectData:
{
EndPersistObjectData();
break;
}
case SerializerAction.endSerializeDocumentPage:
{
ReachFixedPageSerializerContext thisContext = context as ReachFixedPageSerializerContext;
_syncSerializer.EndSerializeDocumentPage(thisContext.TreeWalker);
break;
}
default:
{
base.AsyncOperation(context);
break;
}
}
}
public
override
void
SerializeObject(
Object serializedObject
)
{
_syncSerializer.Initialize();
base.SerializeObject(serializedObject);
}
internal
override
void
SerializeObject(
SerializablePropertyContext serializedProperty
)
{
_syncSerializer.Initialize();
base.SerializeObject(serializedProperty);
}
internal
override
void
PersistObjectData(
SerializableObjectContext serializableObjectContext
)
{
DocumentPage dp = (DocumentPage)serializableObjectContext.TargetObject;
ReachTreeWalker treeWalker = _syncSerializer.BeginSerializeDocumentPage(serializableObjectContext);
ReachSerializerContext context = new ReachFixedPageSerializerContext(this,
serializableObjectContext,
SerializerAction.endSerializeDocumentPage,
false,
treeWalker);
_xpsOMSerializationManagerAsync.OperationStack.Push(context);
_syncSerializer.SerializeChild(dp.Visual, serializableObjectContext);
}
/// <remarks>
/// Redirect calls to this override coming from
/// the serialization engine to the baseSerializer
/// </remarks>
public
override
XmlWriter
XmlWriter
{
get
{
return _syncSerializer.XmlWriter;
}
set
{
_syncSerializer.XmlWriter = value;
}
}
private XpsOMSerializationManagerAsync _xpsOMSerializationManagerAsync;
///
/// This serializer uses its synchronous counterpart in a similar way
/// as if it was inheriting from it, since we already inherit from
/// ReachSerializerAsync, we hold a private reference to the
/// synchronous serializer and call into it to do the bulk of the work
///
private XpsOMDocumentPageSerializer _syncSerializer;
};
}
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