File: FragmentControlProviderWrapper.cs

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mono-uia-winforms 2.1-2
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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) 2010 Novell, Inc. (http://www.novell.com) 
// 
// Authors: 
//	Mario Carrion <mcarrion@novell.com>
// 
using System.ComponentModel;
using System.Windows.Automation;
using System.Windows.Automation.Provider;

namespace Mono.UIAutomation.Winforms
{
	internal class FragmentControlProviderWrapper : FragmentControlProvider
	{
		public FragmentControlProviderWrapper (Component component,
		                                       IRawElementProviderSimple simpleProvider)
			: base(component)
		{
			this.simpleProvider = simpleProvider;
		}

		public override object GetPatternProvider (int patternId)
		{
			object pattern = simpleProvider.GetPatternProvider (patternId);
			if (pattern != null)
				return pattern;
			return base.GetPatternProvider (patternId);
		}

		// FIXME: Hard to tell when simpleProvider *really* wants to return null
		public override object GetPropertyValue (int propertyId)
		{
			object value = simpleProvider.GetPropertyValue (propertyId);
			if (value != null)
				return value;
			return base.GetPropertyValue (propertyId);
		}

		public override ProviderOptions ProviderOptions {
			get { return simpleProvider.ProviderOptions; }
		}

		public override IRawElementProviderSimple HostRawElementProvider {
			get { return simpleProvider.HostRawElementProvider; }
		}

		protected override bool IsBehaviorEnabled (AutomationPattern pattern)
		{
			object behavior = GetPatternProvider (pattern.Id);
			if (behavior != null)
				return true;
			return base.IsBehaviorEnabled (pattern);
		}

		private IRawElementProviderSimple simpleProvider;
	}
}