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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2008 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Mario Carrion <mcarrion@novell.com>
//
using System;
using System.Windows.Automation;
using System.Windows.Automation.Provider;
using System.Windows.Forms;
namespace Mono.UIAutomation.Winforms.Events
{
internal class AutomationLabeledByPropertyEvent
: BaseAutomationPropertyEvent
{
#region Constructors
public AutomationLabeledByPropertyEvent (SimpleControlProvider provider)
: base (provider,
AutomationElementIdentifiers.LabeledByProperty)
{
}
#endregion
#region IConnectable Overrides
public override void Connect ()
{
if (Provider.Control.Parent != null)
ConnectEvents (Provider.Control.Parent);
Provider.Control.ParentChanged += new EventHandler (OnParentChanged);
}
public override void Disconnect ()
{
DisconnectEvents ();
Provider.Control.ParentChanged -= new EventHandler (OnParentChanged);
}
#endregion
#region Private Methods
private void ConnectEvents (Control parent)
{
DisconnectEvents ();
this.parent = parent;
if (parent != null) {
parent.ControlAdded += new ControlEventHandler (OnControlsUpdated);
parent.ControlRemoved += new ControlEventHandler (OnControlsUpdated);
}
}
private void DisconnectEvents ()
{
if (parent != null) {
parent.ControlAdded -= new ControlEventHandler (OnControlsUpdated);
parent.ControlRemoved -= new ControlEventHandler (OnControlsUpdated);
this.parent = null;
}
}
private void OnParentChanged (object sender, EventArgs e)
{
Control control = (Control) sender;
ConnectEvents (control.Parent);
}
private void OnControlsUpdated (object sender, ControlEventArgs e)
{
RaiseAutomationPropertyChangedEvent ();
}
#endregion
#region Private Fields
private Control parent;
#endregion
}
}
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