/// <summary>
/// IsBusyProperty property changed handler.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnIsBusyChanged(DependencyPropertyChangedEventArgs e)
{
if (IsBusy)
{
if (DisplayAfter.Equals(TimeSpan.Zero))
{
// Go visible now
IsContentVisible = true;
}
else
{
// Set a timer to go visible
_displayAfterTimer.Interval = DisplayAfter;
_displayAfterTimer.Start();
}
}
else
{
// No longer visible
_displayAfterTimer.Stop();
IsContentVisible = false;
if (this.FocusAfterBusy != null)
{
this.FocusAfterBusy.Dispatcher.BeginInvoke(DispatcherPriority.Input, new Action(() =>
{
this.FocusAfterBusy.Focus();
}
));
}
}
ChangeVisualState(true);
}
/// <summary>
/// IsBusyProperty property changed handler.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnIsBusyChanged(DependencyPropertyChangedEventArgs e)
{
if (IsBusy)
{
if (DisplayAfter.Equals(TimeSpan.Zero))
{
// Go visible now
IsContentVisible = true;
}
else
{
// Set a timer to go visible
_displayAfterTimer.Interval = DisplayAfter;
_displayAfterTimer.Start();
}
}
else
{
// No longer visible
_displayAfterTimer.Stop();
IsContentVisible = false;
}
ChangeVisualState(true);
}
private void IsActiveChanged()
{
if (this.IsActive)
{
VisualStateManager.GoToState(this, "Active", true);
if (!DisplayAfter.Equals(TimeSpan.Zero))
{
activeTimer.Change(this.DisplayAfter, TimeSpan.FromMilliseconds(-1));
}
else
{
ActiveDelayCallback(null);
}
}
else
{
VisualStateManager.GoToState(this, "Inactive", true);
if (IsActivityVisible)
{
TimeSpan duration = DateTime.Now - displayStart;
if (MinDisplayTime > duration)
{
inactiveTimer.Change(this.MinDisplayTime - duration, TimeSpan.FromMilliseconds(-1));
}
else
{
InactiveDelayCallback(null);
}
}
}
}
/// <summary>
/// IsBusyProperty property changed handler.
/// </summary>
/// <param name="e"></param>
private void OnIsBusyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (IsBusy)
{
if (DisplayAfter.Equals(TimeSpan.Zero))
{
// Go visible now
IsContentVisible = true;
}
else
{
// Set a timer to go visible
_displayAfterTimer.Interval = DisplayAfter;
_displayAfterTimer.Start();
}
}
else
{
// No longer visible
_displayAfterTimer.Stop();
IsContentVisible = false;
if (this.FocusAfterBusy != null)
{
//this.FocusAfterBusy.Dispatcher.BeginInvoke(DispatcherPriority.Input, new Action(() =>
//{
// this.FocusAfterBusy.Focus();
//}
//));
this.FocusAfterBusy.Focus();
}
}
}
private void SetIsBusy(bool isBusy)
{
if (isBusy)
{
if (DisplayAfter.Equals(TimeSpan.Zero))
{
this.Visibility = Visibility.Visible;
}
else
{
this.displayAfterTimer.Interval = DisplayAfter;
this.displayAfterTimer.Start();
}
}
else
{
this.displayAfterTimer.Stop();
this.Visibility = Visibility.Collapsed;
if (FocusAfterBusy != null)
{
FocusHelper.Focus(FocusAfterBusy, this.Parent);
}
}
}
/// <summary>
/// IsBusyProperty 属性更改处理程序。
/// </summary>
/// <param name="e">事件参数。</param>
protected virtual void OnIsBusyChanged(DependencyPropertyChangedEventArgs e)
{
if (IsBusy)
{
if (DisplayAfter.Equals(TimeSpan.Zero))
{
// 立即转为可见
IsContentVisible = true;
}
else
{
// 设置定时器以转为可见
_displayAfterTimer.Interval = DisplayAfter;
_displayAfterTimer.Start();
}
}
else
{
// 不再可见
_displayAfterTimer.Stop();
IsContentVisible = false;
}
ChangeVisualState(true);
}