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/*************************************************************************************
Toolkit for WPF
Copyright (C) 2007-2020 Xceed Software Inc.
This program is provided to you under the terms of the XCEED SOFTWARE, INC.
COMMUNITY LICENSE AGREEMENT (for non-commercial use) as published at
https://github.com/xceedsoftware/wpftoolkit/blob/master/license.md
For more features, controls, and fast professional support,
pick up the Plus Edition at https://xceed.com/xceed-toolkit-plus-for-wpf/
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
***********************************************************************************/
using System;
using System.Windows.Threading;
using Xceed.Wpf.AvalonDock.Layout;
namespace Xceed.Wpf.AvalonDock.Controls
{
internal class AutoHideWindowManager
{
#region Members
private DockingManager _manager;
private WeakReference _currentAutohiddenAnchor = null;
private DispatcherTimer _closeTimer = null;
private int _fastTimer = 0;
#endregion
#region Constructors
internal AutoHideWindowManager( DockingManager manager )
{
_manager = manager;
this.SetupCloseTimer();
}
#endregion
#region Private Methods
public void ShowAutoHideWindow( LayoutAnchorControl anchor )
{
if( _currentAutohiddenAnchor.GetValueOrDefault<LayoutAnchorControl>() != anchor )
{
StopCloseTimer();
_currentAutohiddenAnchor = new WeakReference( anchor );
_manager.AutoHideWindow.Show( anchor );
StartCloseTimer();
}
}
public void HideAutoWindow( LayoutAnchorControl anchor = null )
{
if( anchor == null ||
anchor == _currentAutohiddenAnchor.GetValueOrDefault<LayoutAnchorControl>() )
{
StopCloseTimer();
}
else
System.Diagnostics.Debug.Assert( false );
}
private void SetupCloseTimer()
{
_closeTimer = new DispatcherTimer( DispatcherPriority.Background );
_closeTimer.Interval = TimeSpan.FromMilliseconds( 100 );
_closeTimer.Tick += ( s, e ) =>
{
if( _manager.AutoHideWindow.IsWin32MouseOver ||
( ( LayoutAnchorable )_manager.AutoHideWindow.Model ).IsActive ||
_manager.AutoHideWindow.IsResizing )
{
if (_fastTimer == 0) {
_closeTimer.Interval = TimeSpan.FromMilliseconds( 1500 );
_fastTimer = -1;
}
else if (_fastTimer > 0)
{
--_fastTimer;
}
return;
}
StopCloseTimer();
};
}
private void StartCloseTimer()
{
_fastTimer = 5;
_closeTimer.Start();
}
private void StopCloseTimer()
{
_closeTimer.Stop();
_manager.AutoHideWindow.Hide();
_currentAutohiddenAnchor = null;
}
#endregion
}
}