private ApplicationWindow addWindow(IntPtr hWnd, ApplicationWindow.WindowState initialState = ApplicationWindow.WindowState.Inactive, bool sanityCheck = false)
{
ApplicationWindow win = new ApplicationWindow(this, hWnd);
// set window state if a non-default value is provided
if (initialState != ApplicationWindow.WindowState.Inactive)
{
win.State = initialState;
}
// add window unless we need to validate it is eligible to show in taskbar
if (!sanityCheck || win.CanAddToTaskbar)
{
Windows.Add(win);
}
// Only send TaskbarButtonCreated if we are shell, and if OS is not Server Core
// This is because if Explorer is running, it will send the message, so we don't need to
if (EnvironmentHelper.IsAppRunningAsShell)
{
sendTaskbarButtonCreatedMessage(win.Handle);
}
return(win);
}
private void getInitialWindows()
{
EnumWindows((hwnd, lParam) =>
{
ApplicationWindow win = new ApplicationWindow(this, hwnd);
if (win.CanAddToTaskbar && win.ShowInTaskbar && !Windows.Contains(win))
{
Windows.Add(win);
sendTaskbarButtonCreatedMessage(win.Handle);
}
return(true);
}, 0);
IntPtr hWndForeground = GetForegroundWindow();
if (Windows.Any(i => i.Handle == hWndForeground && i.ShowInTaskbar))
{
ApplicationWindow win = Windows.First(wnd => wnd.Handle == hWndForeground);
win.State = ApplicationWindow.WindowState.Active;
win.SetShowInTaskbar();
}
}
public void CloseWindow(ApplicationWindow window)
{
if (window.DoClose() != IntPtr.Zero)
{
ShellLogger.Debug($"TasksService: Removing window {window.Title} from collection due to no response");
window.Dispose();
Windows.Remove(window);
}
}
private void UncloakEventCallback(IntPtr hWinEventHook, uint eventType, IntPtr hWnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
if (hWnd != IntPtr.Zero && idObject == 0 && idChild == 0)
{
if (Windows.Any(i => i.Handle == hWnd))
{
ApplicationWindow win = Windows.First(wnd => wnd.Handle == hWnd);
win.Uncloak();
}
}
}
private void redrawWindow(ApplicationWindow win)
{
win.UpdateProperties();
foreach (ApplicationWindow wind in Windows)
{
if (wind.WinFileName == win.WinFileName && wind.Handle != win.Handle)
{
wind.UpdateProperties();
}
}
}
private void removeWindow(IntPtr hWnd)
{
if (Windows.Any(i => i.Handle == hWnd))
{
do
{
ApplicationWindow win = Windows.First(wnd => wnd.Handle == hWnd);
win.Dispose();
Windows.Remove(win);
}while (Windows.Any(i => i.Handle == hWnd));
}
}
private void ShellWinProc(Message msg)
{
if (msg.Msg == WM_SHELLHOOKMESSAGE)
{
try
{
lock (_windowsLock)
{
switch ((HSHELL)msg.WParam.ToInt32())
{
case HSHELL.WINDOWCREATED:
ShellLogger.Debug("TasksService: Created: " + msg.LParam);
if (!Windows.Any(i => i.Handle == msg.LParam))
{
addWindow(msg.LParam);
}
else
{
ApplicationWindow win = Windows.First(wnd => wnd.Handle == msg.LParam);
win.UpdateProperties();
}
break;
case HSHELL.WINDOWDESTROYED:
ShellLogger.Debug("TasksService: Destroyed: " + msg.LParam);
removeWindow(msg.LParam);
break;
case HSHELL.WINDOWREPLACING:
ShellLogger.Debug("TasksService: Replacing: " + msg.LParam);
if (Windows.Any(i => i.Handle == msg.LParam))
{
ApplicationWindow win = Windows.First(wnd => wnd.Handle == msg.LParam);
win.State = ApplicationWindow.WindowState.Inactive;
win.SetShowInTaskbar();
}
else
{
addWindow(msg.LParam);
}
break;
case HSHELL.WINDOWREPLACED:
ShellLogger.Debug("TasksService: Replaced: " + msg.LParam);
// TODO: If a window gets replaced, we lose app-level state such as overlay icons.
removeWindow(msg.LParam);
break;
case HSHELL.WINDOWACTIVATED:
case HSHELL.RUDEAPPACTIVATED:
ShellLogger.Debug("TasksService: Activated: " + msg.LParam);
foreach (var aWin in Windows.Where(w => w.State == ApplicationWindow.WindowState.Active))
{
aWin.State = ApplicationWindow.WindowState.Inactive;
}
if (msg.LParam != IntPtr.Zero)
{
ApplicationWindow win = null;
if (Windows.Any(i => i.Handle == msg.LParam))
{
win = Windows.First(wnd => wnd.Handle == msg.LParam);
win.State = ApplicationWindow.WindowState.Active;
win.SetShowInTaskbar();
}
else
{
win = addWindow(msg.LParam, ApplicationWindow.WindowState.Active);
}
if (win != null)
{
foreach (ApplicationWindow wind in Windows)
{
if (wind.WinFileName == win.WinFileName && wind.Handle != win.Handle)
{
wind.SetShowInTaskbar();
}
}
}
}
break;
case HSHELL.FLASH:
ShellLogger.Debug("TasksService: Flashing window: " + msg.LParam);
if (Windows.Any(i => i.Handle == msg.LParam))
{
ApplicationWindow win = Windows.First(wnd => wnd.Handle == msg.LParam);
if (win.State != ApplicationWindow.WindowState.Active)
{
win.State = ApplicationWindow.WindowState.Flashing;
}
redrawWindow(win);
}
else
{
addWindow(msg.LParam, ApplicationWindow.WindowState.Flashing, true);
}
break;
case HSHELL.ACTIVATESHELLWINDOW:
ShellLogger.Debug("TasksService: Activate shell window called.");
break;
case HSHELL.ENDTASK:
ShellLogger.Debug("TasksService: EndTask called: " + msg.LParam);
removeWindow(msg.LParam);
break;
case HSHELL.GETMINRECT:
ShellLogger.Debug("TasksService: GetMinRect called: " + msg.LParam);
SHELLHOOKINFO winHandle = (SHELLHOOKINFO)Marshal.PtrToStructure(msg.LParam, typeof(SHELLHOOKINFO));
winHandle.rc = new NativeMethods.Rect {
Bottom = 100, Left = 0, Right = 100, Top = 0
};
Marshal.StructureToPtr(winHandle, msg.LParam, true);
msg.Result = winHandle.hwnd;
return; // return here so the result isnt reset to DefWindowProc
case HSHELL.REDRAW:
ShellLogger.Debug("TasksService: Redraw called: " + msg.LParam);
if (Windows.Any(i => i.Handle == msg.LParam))
{
ApplicationWindow win = Windows.First(wnd => wnd.Handle == msg.LParam);
if (win.State == ApplicationWindow.WindowState.Flashing)
{
win.State = ApplicationWindow.WindowState.Inactive;
}
redrawWindow(win);
}
else
{
addWindow(msg.LParam, ApplicationWindow.WindowState.Inactive, true);
}
break;
// TaskMan needs to return true if we provide our own task manager to prevent explorers.
// case HSHELL.TASKMAN:
// SingletonLogger.Instance.Info("TaskMan Message received.");
// break;
default:
break;
}
}
}
catch (Exception ex)
{
ShellLogger.Error("TasksService: Error in ShellWinProc. ", ex);
Debugger.Break();
}
}
else if (msg.Msg == WM_TASKBARCREATEDMESSAGE)
{
ShellLogger.Debug("TasksService: TaskbarCreated received, setting ITaskbarList window");
setTaskbarListHwnd(_HookWin.Handle);
}
else
{
// Handle ITaskbarList functions, most not implemented yet
ApplicationWindow win = null;
switch (msg.Msg)
{
case (int)WM.USER + 50:
// ActivateTab
// Also sends WM_SHELLHOOK message
ShellLogger.Debug("TasksService: ITaskbarList: ActivateTab HWND:" + msg.LParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 60:
// MarkFullscreenWindow
ShellLogger.Debug("TasksService: ITaskbarList: MarkFullscreenWindow HWND:" + msg.LParam + " Entering? " + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 64:
// SetProgressValue
ShellLogger.Debug("TasksService: ITaskbarList: SetProgressValue HWND:" + msg.WParam + " Progress: " + msg.LParam);
win = new ApplicationWindow(this, msg.WParam);
if (Windows.Contains(win))
{
win = Windows.First(wnd => wnd.Handle == msg.WParam);
win.ProgressValue = (int)msg.LParam;
}
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 65:
// SetProgressState
ShellLogger.Debug("TasksService: ITaskbarList: SetProgressState HWND:" + msg.WParam + " Flags: " + msg.LParam);
win = new ApplicationWindow(this, msg.WParam);
if (Windows.Contains(win))
{
win = Windows.First(wnd => wnd.Handle == msg.WParam);
win.ProgressState = (TBPFLAG)msg.LParam;
}
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 67:
// RegisterTab
ShellLogger.Debug("TasksService: ITaskbarList: RegisterTab MDI HWND:" + msg.LParam + " Tab HWND: " + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 68:
// UnregisterTab
ShellLogger.Debug("TasksService: ITaskbarList: UnregisterTab Tab HWND: " + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 71:
// SetTabOrder
ShellLogger.Debug("TasksService: ITaskbarList: SetTabOrder HWND:" + msg.WParam + " Before HWND: " + msg.LParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 72:
// SetTabActive
ShellLogger.Debug("TasksService: ITaskbarList: SetTabActive HWND:" + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 75:
// Unknown
ShellLogger.Debug("TasksService: ITaskbarList: Unknown HWND:" + msg.WParam + " LParam: " + msg.LParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 76:
// ThumbBarAddButtons
ShellLogger.Debug("TasksService: ITaskbarList: ThumbBarAddButtons HWND:" + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 77:
// ThumbBarUpdateButtons
ShellLogger.Debug("TasksService: ITaskbarList: ThumbBarUpdateButtons HWND:" + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 78:
// ThumbBarSetImageList
ShellLogger.Debug("TasksService: ITaskbarList: ThumbBarSetImageList HWND:" + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 79:
// SetOverlayIcon - Icon
ShellLogger.Debug("TasksService: ITaskbarList: SetOverlayIcon - Icon HWND:" + msg.WParam);
win = new ApplicationWindow(this, msg.WParam);
if (Windows.Contains(win))
{
win = Windows.First(wnd => wnd.Handle == msg.WParam);
win.SetOverlayIcon(msg.LParam);
}
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 80:
// SetThumbnailTooltip
ShellLogger.Debug("TasksService: ITaskbarList: SetThumbnailTooltip HWND:" + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 81:
// SetThumbnailClip
ShellLogger.Debug("TasksService: ITaskbarList: SetThumbnailClip HWND:" + msg.WParam);
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 85:
// SetOverlayIcon - Description
ShellLogger.Debug("TasksService: ITaskbarList: SetOverlayIcon - Description HWND:" + msg.WParam);
win = new ApplicationWindow(this, msg.WParam);
if (Windows.Contains(win))
{
win = Windows.First(wnd => wnd.Handle == msg.WParam);
win.SetOverlayIconDescription(msg.LParam);
}
msg.Result = IntPtr.Zero;
return;
case (int)WM.USER + 87:
// SetTabProperties
ShellLogger.Debug("TasksService: ITaskbarList: SetTabProperties HWND:" + msg.WParam);
msg.Result = IntPtr.Zero;
return;
}
}
msg.Result = DefWindowProc(msg.HWnd, msg.Msg, msg.WParam, msg.LParam);
}
