HostedController.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / TrustUi / MS / Internal / documents / Application / HostedController.cs / 1 / HostedController.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved. 
//
//  
// Responsible for the lifecycle of the Document when hosted in a browser.
//  
// 
// History:
//  10/04/2005: [....]: Initial implementation. 
//-----------------------------------------------------------------------------

using System;
using System.Security; 
using System.Windows.TrustUI;
using System.Windows.Interop; 
using MS.Internal; 
using MS.Internal.PresentationUI;
 
namespace MS.Internal.Documents.Application
{
/// 
/// Responsible for the lifecycle of the Document when hosted in a browser. 
/// 
///  
 
[FriendAccessAllowed]
internal class HostedController : IDocumentController 
{
    #region IDocumentController Members
    //-------------------------------------------------------------------------
    // IDocumentController Members 
    //-------------------------------------------------------------------------
 
    ///  
    /// 
    ///  
    bool IDocumentController.EnableEdit(Document document)
    {
        return false;
    } 

    ///  
    ///  
    /// 
    bool IDocumentController.Open(Document document) 
    {
        return false;
    }
 
    /// 
    ///  
    ///  
    /// 
    /// Critical: 
    ///  - uses Document.Uri
    ///  - passes document to security critical method, NavigateToDocument.
    /// TreatAsSafe:
    ///  - provides uri to security critical method, NavigateToDocument, 
    ///    for navigation only.
    ///  
    [SecurityCritical, SecurityTreatAsSafe] 
    bool IDocumentController.Rebind(Document document)
    { 
        bool handled = false;

        if (document.IsReloadNeeded)
        { 
            Trace.SafeWrite(
                Trace.File, 
                "Navigation requested for Rebind."); 

            NavigationHelper.NavigateToDocument(document); 

            document.IsReloadNeeded = false;
            handled = true;
        } 

        return handled; 
    } 

    ///  
    /// 
    /// 
    bool IDocumentController.SaveAsPreperation(Document document)
    { 
        return false;
    } 
 
    /// 
    ///  
    /// 
    bool IDocumentController.SaveCommit(Document document)
    {
        return false; 
    }
 
    ///  
    /// 
    ///  
    bool IDocumentController.SavePreperation(Document document)
    {
        return false;
    } 

    #endregion IDocumentController Members 
 
    #region IChainOfResponsibiltyNode Members
    //-------------------------------------------------------------------------- 
    // IChainOfResponsibiltyNode Members
    //-------------------------------------------------------------------------

    ///  
    /// 
    ///  
    ///  
    /// Critical:
    ///  - accesses delegate from framework 
    /// TreatAsSafe:
    ///  - does not leak it, only checks if it's null
    /// 
    [SecurityCritical, SecurityTreatAsSafe] 
    bool IChainOfResponsibiltyNode.IsResponsible(Document subject)
    { 
        return NavigationHelper.Navigate != null; 
    }
 
    #endregion IChainOfResponsibiltyNode Members
}
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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