/// <summary>
/// Gets all newly created windows, not handled by the desktop manager yet.
/// </summary>
/// <returns>A list with all new windows.</returns>
List <WindowSnapshot> GetNewWindows()
{
List <WindowInfo> newWindows = WindowManager.GetWindows().Except(
Workspaces.SelectMany(d => d.WindowSnapshots).Concat(WindowClipboard)
.Select(w => w.Info)
.Concat(_invalidWindows)).ToList();
var validWindows = new List <WindowSnapshot>();
foreach (var w in newWindows)
{
var snapshot = new WindowSnapshot(CurrentWorkspace, w);
if (IsValidWindow(snapshot))
{
validWindows.Add(snapshot);
}
else
{
lock ( _invalidWindows )
{
_invalidWindows.Add(w);
}
}
}
return(validWindows);
}
protected bool Equals(WindowSnapshot other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
return(ReferenceEquals(this, other) || Info.Equals(other.Info));
}
/// <summary>
/// Find z-order of all passed windows.
/// </summary>
/// <returns>A new list containing all the passed windows, but ordered according to their z-order, most on top first.</returns>
static List <WindowSnapshot> OrderWindowsByZOrder(List <WindowSnapshot> toOrder)
{
// TODO: Safeguard for infinite loop and possible destroyed windows.
// http://stackoverflow.com/q/12992201/590790
var ordenedWindows = new List <WindowSnapshot>();
WindowInfo window = WindowManager.GetTopWindow();
while (window != null)
{
WindowSnapshot match = toOrder.FirstOrDefault(w => w.Info.Equals(window));
if (match != null)
{
ordenedWindows.Add(match);
}
window = WindowManager.GetWindowBelow(window);
}
return(ordenedWindows);
}
/// <summary>
/// Show all windows associated with this virtual desktop.
/// Unresponsive window event is triggered when any unresponsive windows are detected during show operation.
/// </summary>
protected override void ShowInner()
{
// Early out when virtual desktop has not windows.
if (_windows.Count == 0)
{
return;
}
var unresponsiveWindows = new List <WindowSnapshot>();
// Reposition windows.
// Topmost windows are repositioned separately in order to prevent non-topmost windows from becoming topmost when moving them above topmost windows in the z-order.
var allWindows = _windows
.Where(w => !w.Ignore)
.GroupBy(w => w.Info.IsTopmost());
allWindows.ForEach(group =>
{
var showWindows = group.Select(w => new RepositionWindowInfo(w.Info)
{
Visible = w.Visible
});
unresponsiveWindows.AddRange(RepositionWindows(showWindows, true));
});
// Activate top window.
// TODO: Is the topmost window always the previous active one? Possibly a better check is needed.
// TODO: Which window to activate when desktops are merged?
WindowSnapshot first = _windows.FirstOrDefault(w => w.Visible && !unresponsiveWindows.Contains(w));
if (first != null)
{
first.Info.SetForegroundWindow();
}
TriggerIfUnresponsive(unresponsiveWindows);
}
protected bool Equals( WindowSnapshot other )
{
if ( ReferenceEquals( null, other ) )
{
return false;
}
return ReferenceEquals( this, other ) || Info.Equals( other.Info );
}
/// <summary>
/// Check whether the WindowInfo object represents a valid Window.
/// </summary>
/// <returns>True if valid, false if unvalid.</returns>
bool IsValidWindow(WindowSnapshot window)
{
return(!window.Info.IsDestroyed() && _windowFilter(new Window(window.Info)));
}
