|
// 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.Windows.Controls;
using MS.Internal;
namespace System.Windows.Automation.Peers
{
///
public class ListViewAutomationPeer : ListBoxAutomationPeer
{
///
public ListViewAutomationPeer(ListView owner)
: base(owner)
{
Invariant.Assert(owner != null);
}
///
override protected AutomationControlType GetAutomationControlTypeCore()
{
if (_viewAutomationPeer != null)
{
return _viewAutomationPeer.GetAutomationControlType();
}
else
{
return base.GetAutomationControlTypeCore();
}
}
///
override protected string GetClassNameCore()
{
return "ListView";
}
///
override public object GetPattern(PatternInterface patternInterface)
{
object ret = null;
if (_viewAutomationPeer != null)
{
ret = _viewAutomationPeer.GetPattern(patternInterface);
if (ret != null)
{
return ret;
}
}
return base.GetPattern(patternInterface);
}
///
protected override List<AutomationPeer> GetChildrenCore()
{
if (_refreshItemPeers)
{
_refreshItemPeers = false;
ItemPeers.Clear();
}
List<AutomationPeer> ret = base.GetChildrenCore();
if (_viewAutomationPeer != null)
{
//If a custom view doesn't want to implement GetChildren details
//just return null, we'll use the base.GetChildren as the return value
ret = _viewAutomationPeer.GetChildren(ret);
}
return ret;
}
///
protected override ItemAutomationPeer CreateItemAutomationPeer(object item)
{
return _viewAutomationPeer == null ? base.CreateItemAutomationPeer(item) : _viewAutomationPeer.CreateItemAutomationPeer(item);
}
/// <summary>
///
/// </summary>
protected internal IViewAutomationPeer ViewAutomationPeer
{
// Note: see bug 1555137 for details.
// Never inline, as we don't want to unnecessarily link the
// automation DLL via the ISelectionProvider interface type initialization.
[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
get { return _viewAutomationPeer; }
[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
set
{
if (_viewAutomationPeer != value)
{
_refreshItemPeers = true;
}
_viewAutomationPeer = value;
}
}
#region Private Fields
private bool _refreshItemPeers = false;
private IViewAutomationPeer _viewAutomationPeer;
#endregion
}
}
|