private void UpdateThumbnailsList()
{
Process[] clientProcesses = ThumbnailManager.GetClientProcesses();
List <IntPtr> processHandles = new List <IntPtr>(clientProcesses.Length);
IntPtr foregroundWindowHandle = DwmApiNativeMethods.GetForegroundWindow();
List <IThumbnailView> viewsAdded = new List <IThumbnailView>();
List <IThumbnailView> viewsUpdated = new List <IThumbnailView>();
List <IThumbnailView> viewsRemoved = new List <IThumbnailView>();
foreach (Process process in clientProcesses)
{
IntPtr processHandle = process.MainWindowHandle;
string processTitle = process.MainWindowTitle;
processHandles.Add(processHandle);
IThumbnailView view;
this._thumbnailViews.TryGetValue(processHandle, out view);
if ((view == null) && (processTitle != ""))
{
view = this._thumbnailViewFactory.Create(processHandle, processTitle, this._configuration.ThumbnailSize);
view.IsEnabled = true;
view.IsOverlayEnabled = this._configuration.ShowThumbnailOverlays;
view.SetSizeLimitations(this._configuration.ThumbnailMinimumSize, this._configuration.ThumbnailMaximumSize);
view.SetTopMost(this._configuration.ShowThumbnailsAlwaysOnTop);
view.SetFrames(this._configuration.ShowThumbnailFrames);
view.ThumbnailLocation = this._configuration.GetThumbnailLocation(processTitle, this._activeClientTitle, view.ThumbnailLocation);
view.ThumbnailResized = this.ThumbnailViewResized;
view.ThumbnailMoved = this.ThumbnailViewMoved;
view.ThumbnailFocused = this.ThumbnailViewFocused;
view.ThumbnailLostFocus = this.ThumbnailViewLostFocus;
view.ThumbnailActivated = this.ThumbnailActivated;
view.RegisterHotkey(this._configuration.GetClientHotkey(processTitle));
this._thumbnailViews.Add(processHandle, view);
this.ApplyClientLayout(processHandle, processTitle);
viewsAdded.Add(view);
}
else if ((view != null) && (processTitle != view.Title)) // update thumbnail title
{
view.Title = processTitle;
view.RegisterHotkey(this._configuration.GetClientHotkey(processTitle));
this.ApplyClientLayout(processHandle, processTitle);
viewsUpdated.Add(view);
}
if (process.MainWindowHandle == foregroundWindowHandle)
{
this._activeClientHandle = process.MainWindowHandle;
this._activeClientTitle = process.MainWindowTitle;
}
}
// Cleanup
IList <IntPtr> obsoleteThumbnails = new List <IntPtr>();
foreach (IntPtr processHandle in this._thumbnailViews.Keys)
{
if (!processHandles.Contains(processHandle))
{
obsoleteThumbnails.Add(processHandle);
}
}
foreach (IntPtr processHandle in obsoleteThumbnails)
{
IThumbnailView view = this._thumbnailViews[processHandle];
this._thumbnailViews.Remove(processHandle);
view.UnregisterHotkey();
view.ThumbnailResized = null;
view.ThumbnailMoved = null;
view.ThumbnailFocused = null;
view.ThumbnailLostFocus = null;
view.ThumbnailActivated = null;
view.Close();
viewsRemoved.Add(view);
}
this.ThumbnailsAdded?.Invoke(viewsAdded);
this.ThumbnailsUpdated?.Invoke(viewsUpdated);
this.ThumbnailsRemoved?.Invoke(viewsRemoved);
}
