/// <summary>
/// Updates the transient items.
/// </summary>
public void UpdateTransientItems()
{
// if we are not a window-manager-provider then remove transient items
if (!IsWindowManager)
{
RemoveTransientItems(transient_items.ToList());
return;
}
if (longMatchInProgress)
{
return;
}
// handle unmanaged windows
foreach (Wnck.Window window in UnmanagedWindows)
{
if (transient_items.Where(adi => adi is WnckDockItem)
.Cast <WnckDockItem> ()
.SelectMany(wdi => wdi.Windows)
.Contains(window))
{
continue;
}
DesktopItem desktopItem = DockServices.WindowMatcher.DesktopItemForWindow(window);
WnckDockItem item;
if (desktopItem != null)
{
// This fixes WindowMatching for OpenOffice which is a bit slow setting up its window title
// Check if an existing ApplicationDockItem already uses this DesktopItem
ApplicationDockItem appdi = InternalItems
.Where(adi => (adi is ApplicationDockItem && (adi as ApplicationDockItem).OwnedItem == desktopItem))
.Cast <ApplicationDockItem> ()
.FirstOrDefault();
// Try again to gain this missing window
if (appdi != null)
{
appdi.RecollectWindows();
continue;
}
item = new ApplicationDockItem(desktopItem);
}
else
{
item = new WindowDockItem(window);
}
transient_items.Add(item);
item.WindowsChanged += HandleTransientWindowsChanged;
}
// remove old transient items
List <WnckDockItem> removed_transient_items = new List <WnckDockItem> ();
foreach (WnckDockItem wdi in transient_items.Where(adi => adi is WnckDockItem).Cast <WnckDockItem> ())
{
foreach (Wnck.Window window in ManagedWindows)
{
if (wdi.Windows.Contains(window))
{
removed_transient_items.Add(wdi);
continue;
}
}
if (!wdi.ManagedWindows.Any())
{
removed_transient_items.Add(wdi);
}
}
RemoveTransientItems(removed_transient_items);
}