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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.
/*++
Abstract:
This file contains the definition of a class that defines
the common functionality required to serialize a FixedDocument
--*/
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.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>
/// Class defining common functionality required to
/// serialize a FixedDocument.
/// </summary>
internal class FixedDocumentSerializerAsync :
ReachSerializerAsync
{
#region Constructor
/// <summary>
/// Constructor for class FixedDocumentSerializer
/// </summary>
/// <param name="manager">
/// The serialization manager, the services of which are
/// used later in the serialization process of the type.
/// </param>
public
FixedDocumentSerializerAsync(
PackageSerializationManager manager
):
base(manager)
{
}
#endregion Constructor
#region Public Methods
public
override
void
AsyncOperation(
ReachSerializerContext context
)
{
if(context == null)
{
}
switch (context.Action)
{
case SerializerAction.endPersistObjectData:
{
EndPersistObjectData();
break;
}
default:
{
base.AsyncOperation(context);
break;
}
}
}
/// <summary>
/// The main method that is called to serialize a FixedDocument.
/// </summary>
/// <param name="serializedObject">
/// Instance of object to be serialized.
/// </param>
public
override
void
SerializeObject(
Object serializedObject
)
{
//
// Create the ImageTable required by the Type Converters
// The Image table at this time is shared / document
//
((XpsSerializationManager)SerializationManager).ResourcePolicy.ImageCrcTable = new Dictionary<UInt32, Uri>();
((XpsSerializationManager)SerializationManager).ResourcePolicy.ImageUriHashTable = new Dictionary<int,Uri>();
//
// Create the ColorContextTable required by the Type Converters
// The Image table at this time is shared / document
//
((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.ColorContextTable = new Dictionary<int, Uri>();
base.SerializeObject(serializedObject);
}
#endregion Public Methods
#region Internal Methods
/// <summary>
/// The main method that is called to serialize the FixedDocument
/// and that is usually called from within the serialization manager
/// when a node in the graph of objects is at a turn where it should
/// be serialized.
/// </summary>
/// <param name="serializedProperty">
/// The context of the property being serialized at this time and
/// it points internally to the object encapsulated by that node.
/// </param>
internal
override
void
SerializeObject(
SerializablePropertyContext serializedProperty
)
{
//
// Create the ImageTable required by the Type Converters
// The Image table at this time is shared / document
//
((XpsSerializationManager)SerializationManager).ResourcePolicy.ImageCrcTable = new Dictionary<UInt32, Uri>();
((XpsSerializationManager)SerializationManager).ResourcePolicy.ImageUriHashTable = new Dictionary<int,Uri>();
//
// Create the ColorContextTable required by the Type Converters
// The Image table at this time is shared / document
//
((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.ColorContextTable = new Dictionary<int, Uri>();
base.SerializeObject(serializedProperty);
}
/// <summary>
/// The method is called once the object data is discovered at that
/// point of the serizlization process.
/// </summary>
/// <param name="serializableObjectContext">
/// The context of the object to be serialized at this time.
/// </param>
internal
override
void
PersistObjectData(
SerializableObjectContext serializableObjectContext
)
{
ArgumentNullException.ThrowIfNull(serializableObjectContext);
if ( SerializationManager is XpsSerializationManager)
{
(SerializationManager as XpsSerializationManager).RegisterDocumentStart();
}
String xmlnsForType = SerializationManager.GetXmlNSForType(typeof(FixedDocument));
if(xmlnsForType == null)
{
XmlWriter.WriteStartElement(serializableObjectContext.Name);
}
else
{
XmlWriter.WriteStartElement(serializableObjectContext.Name,
xmlnsForType);
}
{
if(serializableObjectContext.IsComplexValue)
{
ReachSerializerContext context = new ReachSerializerContext(this,
SerializerAction.endPersistObjectData);
((IXpsSerializationManagerAsync)SerializationManager).OperationStack.Push(context);
XpsSerializationPrintTicketRequiredEventArgs e =
new XpsSerializationPrintTicketRequiredEventArgs(PrintTicketLevel.FixedDocumentPrintTicket,
0);
((IXpsSerializationManager)SerializationManager).OnXPSSerializationPrintTicketRequired(e);
//
// Serialize the data for the PrintTicket
//
if(e.Modified)
{
if(e.PrintTicket != null)
{
PrintTicketSerializerAsync serializer = new PrintTicketSerializerAsync(SerializationManager);
serializer.SerializeObject(e.PrintTicket);
}
}
SerializeObjectCore(serializableObjectContext);
}
else
{
throw new XpsSerializationException(SR.ReachSerialization_WrongPropertyTypeForFixedDocument);
}
}
}
internal
override
void
EndPersistObjectData(
)
{
//
// Clear off the table from the packaging policy
//
((XpsSerializationManager)SerializationManager).ResourcePolicy.ImageCrcTable = null;
((XpsSerializationManager)SerializationManager).ResourcePolicy.ImageUriHashTable = null;
XmlWriter.WriteEndElement();
XmlWriter = null;
//
// Signal to any registered callers that the Document has been serialized
//
XpsSerializationProgressChangedEventArgs progressEvent =
new XpsSerializationProgressChangedEventArgs(XpsWritingProgressChangeLevel.FixedDocumentWritingProgress,
0,
0,
null);
((IXpsSerializationManager)SerializationManager).OnXPSSerializationProgressChanged(progressEvent);
if( SerializationManager is XpsSerializationManager)
{
(SerializationManager as XpsSerializationManager).RegisterDocumentEnd();
}
}
/// <summary>
/// This method is the one that writed out the attribute within
/// the xml stream when serializing simple properties.
/// </summary>
/// <param name="serializablePropertyContext">
/// The property that is to be serialized as an attribute at this time.
/// </param>
internal
override
void
WriteSerializedAttribute(
SerializablePropertyContext serializablePropertyContext
)
{
ArgumentNullException.ThrowIfNull(serializablePropertyContext);
String attributeValue = String.Empty;
attributeValue = GetValueOfAttributeAsString(serializablePropertyContext);
if ( (attributeValue != null) &&
(attributeValue.Length > 0) )
{
//
// Emit name="value" attribute
//
XmlWriter.WriteAttributeString(serializablePropertyContext.Name, attributeValue);
}
}
/// <summary>
/// Converts the Value of the Attribute to a String by calling into
/// the appropriate type converters.
/// </summary>
/// <param name="serializablePropertyContext">
/// The property that is to be serialized as an attribute at this time.
/// </param>
internal
String
GetValueOfAttributeAsString(
SerializablePropertyContext serializablePropertyContext
)
{
ArgumentNullException.ThrowIfNull(serializablePropertyContext);
String valueAsString = null;
Object targetObjectContainingProperty = serializablePropertyContext.TargetObject;
Object propertyValue = serializablePropertyContext.Value;
if(propertyValue != null)
{
TypeConverter typeConverter = serializablePropertyContext.TypeConverter;
valueAsString = typeConverter.ConvertToInvariantString(new XpsTokenContext(SerializationManager,
serializablePropertyContext),
propertyValue);
if (propertyValue is Type)
{
int index = valueAsString.LastIndexOf('.');
valueAsString = string.Concat(
XpsSerializationManager.TypeOfString,
index > 0 ? valueAsString.AsSpan(index + 1) : valueAsString,
"}");
}
}
else
{
valueAsString = XpsSerializationManager.NullString;
}
return valueAsString;
}
#endregion Internal Methods
#region Public Properties
/// <summary>
/// Queries / Set the XmlWriter for a FixedDocument
/// </summary>
public
override
XmlWriter
XmlWriter
{
get
{
if(base.XmlWriter == null)
{
base.XmlWriter = SerializationManager.AcquireXmlWriter(typeof(FixedDocument));
}
return base.XmlWriter;
}
set
{
base.XmlWriter = null;
SerializationManager.ReleaseXmlWriter(typeof(FixedDocument));
}
}
#endregion Public Properties
};
}
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