Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Print / Reach / Serialization / manager / ReachFixedPageSerializerAsync.cs / 1 / ReachFixedPageSerializerAsync.cs
/*++ Copyright (C) 2004- 2005 Microsoft Corporation All rights reserved. Module Name: ReachFixedPageSerializerAsync.cs Abstract: This file contains the definition of a class that defines the common functionality required to serialize a FixedPage Author: [....] ([....]) 25-May-2005 Revision History: --*/ 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.Security.Permissions; 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 { ////// Class defining common functionality required to /// serialize a FixedPage. /// internal class FixedPageSerializerAsync : ReachSerializerAsync { #region Constructor ////// Constructor for class FixedPageSerializer /// /// /// The serialization manager, the services of which are /// used later in the serialization process of the type. /// public FixedPageSerializerAsync( 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; } case SerializerAction.endSerializeReachFixedPage: { ReachFixedPageSerializerContext thisContext = context as ReachFixedPageSerializerContext; if(thisContext == null) { } EndSerializeReachFixedPage(thisContext); break; } default: { base.AsyncOperation(context); break; } } } } ////// The main method that is called to serialize a FixedPage. /// /// /// Instance of object to be serialized. /// public override void SerializeObject( Object serializedObject ) { // // Create the ImageTable required by the Type Converters // The Image table at this time is shared / currentPage // ((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.CurrentPageImageTable = new Dictionary(); // // Create the ColorContextTable required by the Type Converters // The Image table at this time is shared / currentPage // ((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.CurrentPageColorContextTable = new Dictionary (); base.SerializeObject(serializedObject); } #endregion Public Methods #region Internal Methods /// /// The main method that is called to serialize the FixedPage /// 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. /// /// /// The context of the property being serialized at this time and /// it points internally to the object encapsulated by that node. /// internal override void SerializeObject( SerializablePropertyContext serializedProperty ) { // // Create the ImageTable required by the Type Converters // The Image table at this time is shared / currentPage // ((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.CurrentPageImageTable = new Dictionary(); // // Create the ColorContextTable required by the Type Converters // The Image table at this time is shared / currentPage // ((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.CurrentPageColorContextTable = new Dictionary (); base.SerializeObject(serializedProperty); } /// /// The method is called once the object data is discovered at that /// point of the serialization process. /// /// /// The context of the object to be serialized at this time. /// internal override void PersistObjectData( SerializableObjectContext serializableObjectContext ) { if(serializableObjectContext == null) { throw new ArgumentNullException("serializableObjectContext"); } FixedPage fixedPage = serializableObjectContext.TargetObject as FixedPage; if( SerializationManager is XpsSerializationManager) { (SerializationManager as XpsSerializationManager).RegisterPageStart(); } ReachTreeWalker treeWalker = new ReachTreeWalker(this); treeWalker.SerializeLinksInFixedPage((FixedPage)serializableObjectContext.TargetObject); String xmlnsForType = SerializationManager.GetXmlNSForType(serializableObjectContext.TargetObject.GetType()); if(xmlnsForType == null) { XmlWriter.WriteStartElement(serializableObjectContext.Name); } else { XmlWriter.WriteStartElement(serializableObjectContext.Name); XmlWriter.WriteAttributeString(XpsS0Markup.Xmlns, xmlnsForType); XmlWriter.WriteAttributeString(XpsS0Markup.XmlnsX, XpsS0Markup.XmlnsXSchema); XmlLanguage language = fixedPage.Language; if (language == null) { //If the language property is null, assign the language to the default language = XmlLanguage.GetLanguage(XpsS0Markup.XmlLangValue); } SerializationManager.Language = language; XmlWriter.WriteAttributeString(XpsS0Markup.XmlLang, language.ToString()); } { Size fixedPageSize = new Size(fixedPage.Width, fixedPage.Height); ((XpsSerializationManager)SerializationManager).FixedPageSize = fixedPageSize; // // Before we serialize any properties on the FixedPage, we need to // serialize the FixedPage as a Visual // Visual fixedPageAsVisual = serializableObjectContext.TargetObject as Visual; bool needEndVisual = false; if(fixedPageAsVisual != null) { needEndVisual = SerializePageAsVisual(fixedPageAsVisual); } if (serializableObjectContext.IsComplexValue) { ReachSerializerContext context = new ReachFixedPageSerializerContext(this, serializableObjectContext, SerializerAction.endSerializeReachFixedPage, needEndVisual, treeWalker); ((XpsSerializationManagerAsync)SerializationManager).OperationStack.Push(context); PrintTicket printTicket = ((XpsSerializationManager)SerializationManager).FixedPagePrintTicket; if(printTicket != null) { PrintTicketSerializer serializer = new PrintTicketSerializer(SerializationManager); serializer.SerializeObject(printTicket); ((XpsSerializationManager)SerializationManager).FixedPagePrintTicket = null; } SerializeObjectCore(serializableObjectContext); } else { throw new XpsSerializationException(ReachSR.Get(ReachSRID.ReachSerialization_WrongPropertyTypeForFixedPage)); } } } ////// This method is the one that writes out the attribute within /// the xml stream when serializing simple properties. /// /// /// The property that is to be serialized as an attribute at this time. /// internal override void WriteSerializedAttribute( SerializablePropertyContext serializablePropertyContext ) { if(serializablePropertyContext == null) { throw new ArgumentNullException("serializablePropertyContext"); } String attributeValue = String.Empty; attributeValue = GetValueOfAttributeAsString(serializablePropertyContext); if ( (attributeValue != null) && (attributeValue.Length > 0) ) { // // Emit name="value" attribute // XmlWriter.WriteAttributeString(serializablePropertyContext.Name, attributeValue); } } ////// Converts the Value of the Attribute to a String by calling into /// the appropriate type converters. /// /// /// The property that is to be serialized as an attribute at this time. /// private String GetValueOfAttributeAsString( SerializablePropertyContext serializablePropertyContext ) { if(serializablePropertyContext == null) { throw new ArgumentNullException("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 (typeof(Type).IsInstanceOfType(propertyValue)) { int index = valueAsString.LastIndexOf('.'); if (index > 0) { valueAsString = valueAsString.Substring(index + 1); } valueAsString = XpsSerializationManager.TypeOfString + valueAsString + "}"; } } else { valueAsString = XpsSerializationManager.NullString; } return valueAsString; } #endregion Internal Methods #region Public Properties ////// Queries / Set the XmlWriter for a FixedPage. /// public override XmlWriter XmlWriter { get { if(base.XmlWriter == null) { base.XmlWriter = SerializationManager.AcquireXmlWriter(typeof(FixedPage)); } return base.XmlWriter; } set { base.XmlWriter = null; SerializationManager.ReleaseXmlWriter(typeof(FixedPage)); } } #endregion Public Properties #region Private Methods private bool SerializePageAsVisual( Visual fixedPageAsVisual ) { bool needEndVisual = false; ReachVisualSerializerAsync serializer = new ReachVisualSerializerAsync(SerializationManager); if(serializer!=null) { needEndVisual = serializer.SerializeDisguisedVisual(fixedPageAsVisual); } else { throw new XpsSerializationException(ReachSR.Get(ReachSRID.ReachSerialization_NoSerializer)); } return needEndVisual; } private void EndSerializeReachFixedPage( ReachFixedPageSerializerContext context ) { ReachFixedPageSerializerContext thisContext = context as ReachFixedPageSerializerContext; if(thisContext != null) { if(thisContext.EndVisual) { XmlWriter pageWriter = ((XpsSerializationManagerAsync)SerializationManager). PackagingPolicy.AcquireXmlWriterForPage(); XmlWriter resWriter = ((XpsSerializationManagerAsync)SerializationManager). PackagingPolicy.AcquireXmlWriterForResourceDictionary(); Size fixedPageSize = ((XpsSerializationManager)SerializationManager).FixedPageSize; VisualTreeFlattener flattener = ((XpsSerializationManagerAsync)SerializationManager). VisualSerializationService.AcquireVisualTreeFlattener(resWriter, pageWriter, fixedPageSize); flattener.EndVisual(); } ((XpsSerializationManagerAsync)SerializationManager).PackagingPolicy.PreCommitCurrentPage(); // // Copy hyperlinks into stream // thisContext.TreeWalker.CommitHyperlinks(); XmlWriter.WriteEndElement(); // //Release used resources // XmlWriter = null; // // Free the image table in use for this page // ((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.CurrentPageImageTable = null; // // Free the colorContext table in use for this page // ((XpsSerializationManagerAsync)SerializationManager).ResourcePolicy.CurrentPageColorContextTable = null; // // Signal to any registered callers that the Page has been serialized // XpsSerializationProgressChangedEventArgs progressEvent = new XpsSerializationProgressChangedEventArgs(XpsWritingProgressChangeLevel.FixedPageWritingProgress, 0, 0, null); ((XpsSerializationManager)SerializationManager).OnXPSSerializationProgressChanged(progressEvent); ((XpsSerializationManagerAsync)SerializationManager).VisualSerializationService.ReleaseVisualTreeFlattener(); if( SerializationManager is XpsSerializationManager) { (SerializationManager as XpsSerializationManager).RegisterPageEnd(); } } } #endregion Private Methods }; internal class ReachFixedPageSerializerContext : ReachSerializerContext { public ReachFixedPageSerializerContext( ReachSerializerAsync serializer, SerializableObjectContext objectContext, SerializerAction action, bool endVisual, ReachTreeWalker treeWalker ): base(serializer,objectContext,action) { this._treeWalker = treeWalker; this._endVisual = endVisual; } public ReachTreeWalker TreeWalker { get { return _treeWalker; } } public bool EndVisual { get { return _endVisual; } } private bool _endVisual; private ReachTreeWalker _treeWalker; }; } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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