Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / MS / Internal / documents / Application / DocumentApplicationJournalEntry.cs / 1305600 / DocumentApplicationJournalEntry.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Attached to custom journal entries created for changes in the DocumentApplication's // UI state. // // History: // 06/24/2005 - JeremyNS created // //--------------------------------------------------------------------------- using System; using System.Runtime.Serialization; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Windows; using System.Windows.Documents; using System.Windows.Navigation; using System.Windows.Controls; namespace MS.Internal.Documents.Application { ////// DocumentApplicationJournalEntry is not a real journal entry, just the CustomContentState /// attached to one. It wraps a DocumentApplicationState object, which is the actual view state. /// The split is needed because PresentationUI cannot access internal Framework classes and methods. /// [Serializable] internal sealed class DocumentApplicationJournalEntry : System.Windows.Navigation.CustomContentState { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- ////// Constructs a DocumentApplicationJournalEntry /// /// State of the DocumentApplication to journal /// Name of the journal entry to display in the UI. /// If this is null it will default to the URI source. public DocumentApplicationJournalEntry(object state, string name) { Invariant.Assert(state is DocumentApplicationState, "state should be of type DocumentApplicationState"); // Store parameters locally. _state = state; _displayName = name; } public DocumentApplicationJournalEntry(object state): this(state, null) { } //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- ////// Used to reset the UI to state of this entry /// /// NavigationService currently running /// Navigation direction ////// Critical: set_StoredDocumentApplicationState is defined in a non-APTCA assembly. /// TreatAsSafe: call to set_StoredDocumentApplicationState does not entail any risk. /// [SecurityCritical, SecurityTreatAsSafe] public override void Replay(NavigationService navigationService, NavigationMode mode) { ContentControl navigator = (ContentControl)navigationService.INavigatorHost; // Find a reference to the DocumentViewer hosted in the NavigationWindow // On initial history navigation in the browser, the window's layout may not have been // done yet. ApplyTemplate() causes the viewer to be created. navigator.ApplyTemplate(); DocumentApplicationDocumentViewer docViewer = navigator.Template.FindName( "PUIDocumentApplicationDocumentViewer", navigator) as DocumentApplicationDocumentViewer; Debug.Assert(docViewer != null, "PUIDocumentApplicationDocumentViewer not found."); if (docViewer != null) { // Set the new state on the DocumentViewer if (_state is DocumentApplicationState) { docViewer.StoredDocumentApplicationState = (DocumentApplicationState)_state; } // Check that a Document exists. if (navigationService.Content != null) { IDocumentPaginatorSource document = navigationService.Content as IDocumentPaginatorSource; // If the document has already been paginated (could happen in the // case of a fragment navigation), then set the DocumentViewer to the // new state that was set. if ((document != null) && (document.DocumentPaginator.IsPageCountValid)) { docViewer.SetUIToStoredState(); } } } } public override string JournalEntryName { get { return _displayName; } } //------------------------------------------------------ // // Private Fields. // //------------------------------------------------------ // The DocumentApplicationState has been weakly-typed to avoid PresentationFramework // having a type dependency on PresentationUI. The perf impact of the weak // typed variables in this case was determined to be much less than forcing the load // of a new assembly when Assembly.GetTypes was called on PresentationFramework. private object _state; // DocumentApplicationState private string _displayName; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Attached to custom journal entries created for changes in the DocumentApplication's // UI state. // // History: // 06/24/2005 - JeremyNS created // //--------------------------------------------------------------------------- using System; using System.Runtime.Serialization; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Windows; using System.Windows.Documents; using System.Windows.Navigation; using System.Windows.Controls; namespace MS.Internal.Documents.Application { ////// DocumentApplicationJournalEntry is not a real journal entry, just the CustomContentState /// attached to one. It wraps a DocumentApplicationState object, which is the actual view state. /// The split is needed because PresentationUI cannot access internal Framework classes and methods. /// [Serializable] internal sealed class DocumentApplicationJournalEntry : System.Windows.Navigation.CustomContentState { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- ////// Constructs a DocumentApplicationJournalEntry /// /// State of the DocumentApplication to journal /// Name of the journal entry to display in the UI. /// If this is null it will default to the URI source. public DocumentApplicationJournalEntry(object state, string name) { Invariant.Assert(state is DocumentApplicationState, "state should be of type DocumentApplicationState"); // Store parameters locally. _state = state; _displayName = name; } public DocumentApplicationJournalEntry(object state): this(state, null) { } //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- ////// Used to reset the UI to state of this entry /// /// NavigationService currently running /// Navigation direction ////// Critical: set_StoredDocumentApplicationState is defined in a non-APTCA assembly. /// TreatAsSafe: call to set_StoredDocumentApplicationState does not entail any risk. /// [SecurityCritical, SecurityTreatAsSafe] public override void Replay(NavigationService navigationService, NavigationMode mode) { ContentControl navigator = (ContentControl)navigationService.INavigatorHost; // Find a reference to the DocumentViewer hosted in the NavigationWindow // On initial history navigation in the browser, the window's layout may not have been // done yet. ApplyTemplate() causes the viewer to be created. navigator.ApplyTemplate(); DocumentApplicationDocumentViewer docViewer = navigator.Template.FindName( "PUIDocumentApplicationDocumentViewer", navigator) as DocumentApplicationDocumentViewer; Debug.Assert(docViewer != null, "PUIDocumentApplicationDocumentViewer not found."); if (docViewer != null) { // Set the new state on the DocumentViewer if (_state is DocumentApplicationState) { docViewer.StoredDocumentApplicationState = (DocumentApplicationState)_state; } // Check that a Document exists. if (navigationService.Content != null) { IDocumentPaginatorSource document = navigationService.Content as IDocumentPaginatorSource; // If the document has already been paginated (could happen in the // case of a fragment navigation), then set the DocumentViewer to the // new state that was set. if ((document != null) && (document.DocumentPaginator.IsPageCountValid)) { docViewer.SetUIToStoredState(); } } } } public override string JournalEntryName { get { return _displayName; } } //------------------------------------------------------ // // Private Fields. // //------------------------------------------------------ // The DocumentApplicationState has been weakly-typed to avoid PresentationFramework // having a type dependency on PresentationUI. The perf impact of the weak // typed variables in this case was determined to be much less than forcing the load // of a new assembly when Assembly.GetTypes was called on PresentationFramework. private object _state; // DocumentApplicationState private string _displayName; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XmlWellformedWriter.cs
- CompiledIdentityConstraint.cs
- ColumnResult.cs
- TextStore.cs
- ServiceControllerDesigner.cs
- OLEDB_Util.cs
- XmlValidatingReaderImpl.cs
- BufferedStream.cs
- IndicCharClassifier.cs
- ContainerUtilities.cs
- mda.cs
- PageAsyncTask.cs
- HelpPage.cs
- SortedList.cs
- DropShadowEffect.cs
- WebAdminConfigurationHelper.cs
- Label.cs
- WebConfigurationFileMap.cs
- ErrorsHelper.cs
- NavigationExpr.cs
- SymLanguageType.cs
- LinearQuaternionKeyFrame.cs
- PtsCache.cs
- Section.cs
- NullableConverter.cs
- QuerySubExprEliminator.cs
- StrokeNodeOperations.cs
- DataColumnMappingCollection.cs
- BasicDesignerLoader.cs
- XmlSchemaInferenceException.cs
- MsmqQueue.cs
- GatewayDefinition.cs
- MessageQueueAccessControlEntry.cs
- ColorConvertedBitmap.cs
- Triangle.cs
- DataDesignUtil.cs
- LineBreak.cs
- Compiler.cs
- DesignerCatalogPartChrome.cs
- PropertyPathWorker.cs
- Cursors.cs
- SHA1Managed.cs
- SemanticBasicElement.cs
- WeakKeyDictionary.cs
- ListViewItemMouseHoverEvent.cs
- ToolStripRenderer.cs
- TemplateBindingExpressionConverter.cs
- TimeSpanOrInfiniteConverter.cs
- OpacityConverter.cs
- MessageFilterException.cs
- DataGridViewMethods.cs
- LinkedList.cs
- SettingsPropertyIsReadOnlyException.cs
- ReadOnlyAttribute.cs
- DownloadProgressEventArgs.cs
- CopyOnWriteList.cs
- TypeInitializationException.cs
- ValueChangedEventManager.cs
- FontCollection.cs
- DaylightTime.cs
- TextElementEnumerator.cs
- ExcCanonicalXml.cs
- ImageKeyConverter.cs
- FixedTextView.cs
- SqlCacheDependencyDatabase.cs
- FrameSecurityDescriptor.cs
- UrlPropertyAttribute.cs
- Path.cs
- ColorConverter.cs
- GrammarBuilderWildcard.cs
- DetailsViewPageEventArgs.cs
- _Semaphore.cs
- BasicDesignerLoader.cs
- Point.cs
- IdentifierCollection.cs
- _UriSyntax.cs
- PersonalizationStateQuery.cs
- httpserverutility.cs
- Misc.cs
- RequestResizeEvent.cs
- WebPageTraceListener.cs
- RelationshipConstraintValidator.cs
- Nodes.cs
- StringInfo.cs
- TranslateTransform3D.cs
- FormsAuthenticationUserCollection.cs
- PackWebResponse.cs
- UnsupportedPolicyOptionsException.cs
- RepeaterItemEventArgs.cs
- CompiledQueryCacheKey.cs
- SequenceRangeCollection.cs
- XmlBinaryWriterSession.cs
- InputScopeAttribute.cs
- GlyphRunDrawing.cs
- _ProxyRegBlob.cs
- TextTreeUndo.cs
- LightweightCodeGenerator.cs
- CfgSemanticTag.cs
- UnsafeCollabNativeMethods.cs
- PolyBezierSegment.cs