// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
 
 
#region Using declarations
 
#if RIBBON_IN_FRAMEWORK
using System.Windows.Controls.Ribbon;
 
#if RIBBON_IN_FRAMEWORK
namespace System.Windows.Automation.Peers
#else
namespace Microsoft.Windows.Automation.Peers
#endif
{
#else
    using Microsoft.Windows.Controls.Ribbon;
#endif
 
    #endregion
 
    public class RibbonGalleryItemAutomationPeer : FrameworkElementAutomationPeer
    {
        #region constructor
 
        ///
        public RibbonGalleryItemAutomationPeer(RibbonGalleryItem owner)
            : base(owner)
        { }
 
        #endregion constructor
 
        #region AutomationPeer override
 
        ///
        protected override string GetClassNameCore()
        {
            return "RibbonGalleryItem";
        }
 
        /// <summary>
        ///   Get KeyTip of the owner control.
        /// </summary>
        protected override string GetAccessKeyCore()
        {
            string accessKey = ((RibbonGalleryItem)Owner).KeyTip;
            if (string.IsNullOrEmpty(accessKey))
            {
                accessKey = base.GetAccessKeyCore();
            }
            return accessKey;
        }
 
        /// <summary>
        ///   Returns help text 
        /// </summary>
        protected override string GetHelpTextCore()
        {
            string helpText = base.GetHelpTextCore();
            if (String.IsNullOrEmpty(helpText))
            {
                RibbonToolTip toolTip = ((RibbonGalleryItem)Owner).ToolTip as RibbonToolTip;
                if (toolTip != null)
                {
                    helpText = toolTip.Description;
                }
            }
 
            return helpText;
        }
 
        ///
        protected override AutomationControlType GetAutomationControlTypeCore()
        {
            return AutomationControlType.ListItem;
        }
 
#if !RIBBON_IN_FRAMEWORK
        ///
        override protected bool IsOffscreenCore()
        {
            if (!Owner.IsVisible)
                return true;
 
            Rect boundingRect = RibbonHelper.CalculateVisibleBoundingRect(Owner);
            return (boundingRect == Rect.Empty || boundingRect.Height == 0 || boundingRect.Width == 0);
        }
#endif
 
        #endregion AutomationPeer override
 
        #region internal static helper
 
        #endregion
 
        #region Selection Events
        // BUG 1555137: Never inline, as we don't want to unnecessarily link the automation DLL
        [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
        internal void RaiseAutomationIsSelectedChanged(bool isSelected)
        {
            EventsSource?.RaisePropertyChangedEvent(
                    SelectionItemPatternIdentifiers.IsSelectedProperty,
                        !isSelected,
                        isSelected);
        }
 
 
        // Selection Events needs to be raised on DataItem Peers now when they exist.
        internal void RaiseAutomationSelectionEvent(AutomationEvents eventId)
        {
            EventsSource?.RaiseAutomationEvent(eventId);
        }
 
        #endregion Selection Events
    }
}