/// <summary>
/// Updates the status text.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="windowWidth">Width of the window.</param>
private void UpdateStatusText(string text, double windowWidth)
{
_currentStatusText = text;
_currentWindowWidth = windowWidth;
if (PleaseWaitWindow == null)
{
return;
}
Dispatcher.Invoke(() =>
{
PleaseWaitWindow.Text = _currentStatusText;
PleaseWaitWindow.MinWidth = double.IsNaN(_currentWindowWidth) ? 0d : _currentWindowWidth;
PleaseWaitWindow.UpdateLayout();
});
}
/// <summary>
/// Updates the status text.
/// </summary>
/// <param name="text">
/// The text.
/// </param>
/// <param name="windowWidth">
/// Width of the window.
/// </param>
private void UpdateStatusText(string text, double windowWidth)
{
_currentStatusText = text;
_currentWindowWidth = windowWidth;
if (PleaseWaitWindow == null)
{
return;
}
if (!PleaseWaitWindow.Dispatcher.CheckAccess())
{
PleaseWaitWindow.Dispatcher.Invoke(new UpdateStatusTextDelegate(UpdateStatusText), new object[] { text, windowWidth });
return;
}
PleaseWaitWindow.Text = _currentStatusText;
PleaseWaitWindow.MinWidth = double.IsNaN(_currentWindowWidth) ? 0d : _currentWindowWidth;
PleaseWaitWindow.UpdateLayout();
}
/// <summary>
/// Shows the window delayed by using the <see cref="MinimumDurationBeforeShow"/>.
/// </summary>
/// <param name="percentage">
/// The percentage. If <c>-1</c>, the window is assumed to be indeterminate.
/// </param>
private void ShowWindow(int percentage)
{
bool isIndeterminate = (percentage == -1);
var pleaseWaitWindow = PleaseWaitWindow;
if (pleaseWaitWindow != null)
{
pleaseWaitWindow.IsIndeterminate = isIndeterminate;
pleaseWaitWindow.Percentage = percentage;
return;
}
pleaseWaitWindow = new PleaseWaitWindow();
var activeWindow = Application.Current.GetActiveWindow();
// When the application has no a WPF window then the active window could be the pleaseWaitWindow, so
if (!pleaseWaitWindow.Equals(activeWindow))
{
pleaseWaitWindow.Owner = activeWindow;
}
pleaseWaitWindow.IsIndeterminate = isIndeterminate;
pleaseWaitWindow.Percentage = percentage;
pleaseWaitWindow.Text = _currentStatusText;
pleaseWaitWindow.MinWidth = double.IsNaN(_currentWindowWidth) ? 0d : _currentWindowWidth;
Log.Debug("Showing please wait window");
pleaseWaitWindow.Show();
// Skip the turn dark wait loop if there are nothing to turn dark.
if (pleaseWaitWindow.Owner != null)
{
// Yes, check for PleaseWaitWindow (property). Sometimes the show immediately hides
while (!pleaseWaitWindow.IsOwnerDimmed && PleaseWaitWindow != null)
{
// It's a bad practice to use this "equivalent" of DoEvents in WPF, but I don't see another choice
// to wait until the animation of the ShowWindow has finished without blocking the UI
pleaseWaitWindow.Dispatcher.Invoke(DispatcherPriority.Background, (ThreadStart) delegate { });
pleaseWaitWindow.UpdateLayout();
}
}
// The property is set when the window is displayed
PleaseWaitWindow = pleaseWaitWindow;
lock (_visibleStopwatchLock)
{
if (_visibleStopwatch == null)
{
_visibleStopwatch = new Stopwatch();
_visibleStopwatch.Start();
}
else
{
_visibleStopwatch.Reset();
_visibleStopwatch.Start();
}
}
}
/// <summary>
/// Shows the window delayed by using the <see cref="MinimumDurationBeforeShow"/>.
/// </summary>
/// <param name="percentage">
/// The percentage. If <c>-1</c>, the window is assumed to be indeterminate.
/// </param>
private void ShowWindow(int percentage)
{
bool isIndeterminate = (percentage == -1);
var pleaseWaitWindow = PleaseWaitWindow;
if (pleaseWaitWindow != null)
{
pleaseWaitWindow.IsIndeterminate = isIndeterminate;
pleaseWaitWindow.Percentage = percentage;
return;
}
pleaseWaitWindow = new PleaseWaitWindow();
var activeWindow = Application.Current.GetActiveWindow();
// When the application has no a WPF window then the active window could be the pleaseWaitWindow, so
if (!pleaseWaitWindow.Equals(activeWindow))
{
pleaseWaitWindow.Owner = activeWindow;
}
pleaseWaitWindow.IsIndeterminate = isIndeterminate;
pleaseWaitWindow.Percentage = percentage;
pleaseWaitWindow.Text = _currentStatusText;
pleaseWaitWindow.MinWidth = double.IsNaN(_currentWindowWidth) ? 0d : _currentWindowWidth;
Log.Debug("Showing please wait window");
pleaseWaitWindow.Show();
// Skip the turn dark wait loop if there are nothing to turn dark.
if (pleaseWaitWindow.Owner != null)
{
// Yes, check for PleaseWaitWindow (property). Sometimes the show immediately hides
while (!pleaseWaitWindow.IsOwnerDimmed && PleaseWaitWindow != null)
{
// It's a bad practice to use this "equivalent" of DoEvents in WPF, but I don't see another choice
// to wait until the animation of the ShowWindow has finished without blocking the UI
pleaseWaitWindow.Dispatcher.Invoke(DispatcherPriority.Background, (ThreadStart)delegate { });
pleaseWaitWindow.UpdateLayout();
}
}
// The property is set when the window is displayed
PleaseWaitWindow = pleaseWaitWindow;
lock (_visibleStopwatchLock)
{
if (_visibleStopwatch == null)
{
_visibleStopwatch = new Stopwatch();
_visibleStopwatch.Start();
}
else
{
_visibleStopwatch.Reset();
_visibleStopwatch.Start();
}
}
}
