---

import ctypes
import time
import logging
import os
from ctypes import wintypes
user32 = ctypes.WinDLL("user32", use_last_error=True)
SW_HIDE = 0
SW_SHOW = 5
GW_OWNER = 4
logging.basicConfig(
    filename=os.path.join(
        os.environ.get("LOCALAPPDATA", "."),
        "my_taskbar.log"
    ),
    level=logging.INFO,
    format="%(asctime)s %(levelname)s %(message)s"
)
EnumWindowsProc = ctypes.WINFUNCTYPE(
    wintypes.BOOL,
    wintypes.HWND,
    wintypes.LPARAM
)
def find_taskbar():
    return user32.FindWindowW("Shell_TrayWnd", None)
def has_visible_app_window(taskbar):
    found = False
    @EnumWindowsProc
    def callback(hwnd, _):
        nonlocal found
        if hwnd == taskbar:
            return True
        if not user32.IsWindowVisible(hwnd):
            return True
        if user32.IsIconic(hwnd):
            return True
        if user32.GetWindowTextLengthW(hwnd) == 0:
            return True
        if user32.GetWindow(hwnd, GW_OWNER):
            return True
        class_name = ctypes.create_unicode_buffer(256)
        user32.GetClassNameW(hwnd, class_name, 256)
        if class_name.value in (
            "Progman",
            "WorkerW",
            "Shell_TrayWnd",
            "Shell_SecondaryTrayWnd",
        ):
            return True
        found = True
        return False
    user32.EnumWindows(callback, 0)
    return found
def main():
    logging.info("My Taskbar запущена.")
    try:
        while True:
            taskbar = find_taskbar()
            if taskbar:
                visible_window = has_visible_app_window(taskbar)
                if visible_window:
                    user32.ShowWindow(taskbar, SW_HIDE)
                else:
                    user32.ShowWindow(taskbar, SW_SHOW)
            time.sleep(0.3)
    except Exception:
        logging.exception("Ошибка программы.")
    finally:
        taskbar = find_taskbar()
        if taskbar:
            user32.ShowWindow(taskbar, SW_SHOW)
if __name__ == "__main__":
    main()