// 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) 2009 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Sandy Armstrong <sanfordarmstrong@gmail.com>
// Mike Gorse <mgorse@novell.com>
//
using System;
using System.Windows.Automation.Provider;
namespace System.Windows.Automation{
public class TogglePattern : BasePattern
{
public struct TogglePatternInformation
{
private bool cache;
private TogglePattern pattern;
internal TogglePatternInformation (TogglePattern pattern, bool cache)
{
this.pattern = pattern;
this.cache = cache;
}
public ToggleState ToggleState {
get { return (ToggleState) pattern.element.GetPropertyValue (ToggleStateProperty, cache); }
}
}
private AutomationElement element;
private bool cached;
private TogglePatternInformation currentInfo;
private TogglePatternInformation cachedInfo;
internal TogglePattern ()
{
}
internal TogglePattern (IToggleProvider source, AutomationElement element, bool cached)
{
this.element = element;
this.cached = cached;
this.Source = source;
currentInfo = new TogglePatternInformation (this, false);
if (cached)
cachedInfo = new TogglePatternInformation (this, true);
}
internal IToggleProvider Source { get; private set; }
public TogglePatternInformation Cached {
get {
if (!cached)
throw new InvalidOperationException ("Cannot request a property or pattern that is not cached");
return cachedInfo;
}
}
public TogglePatternInformation Current {
get {
return currentInfo;
}
}
public void Toggle ()
{
Source.Toggle ();
}
public static readonly AutomationPattern Pattern =
TogglePatternIdentifiers.Pattern;
public static readonly AutomationProperty ToggleStateProperty =
TogglePatternIdentifiers.ToggleStateProperty;
}
}
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