How to use the pibooth.utils.PoolingTimer function in pibooth

def preview_wait(self, timeout, alpha=80):
        """Wait the given time.
        """
        timeout = int(timeout)
        if timeout < 1:
            raise ValueError("Start time shall be greater than 0")

        timer = PoolingTimer(timeout)
        if self._preview_compatible:
            while not timer.is_timeout():
                updated_rect = self._window.show_image(self._get_preview_image())
                pygame.event.pump()
                if updated_rect:
                    pygame.display.update(updated_rect)
        else:
            time.sleep(timer.remaining())

        self._show_overlay(get_translated_text('smile'), alpha)
        self._window.show_image(self._get_preview_image())

def __init__(self, plugin_manager):
        self._pm = plugin_manager
        self.factory_pool = PicturesFactoryPool()
        self.picture_destroy_timer = PoolingTimer(0)
        self.second_previous_picture = None

def preview_countdown(self, timeout, alpha=80):
        """Show a countdown of `timeout` seconds on the preview.
        Returns when the countdown is finished.
        """
        timeout = int(timeout)
        if timeout < 1:
            raise ValueError("Start time shall be greater than 0")

        shown = False
        first_loop = True
        timer = PoolingTimer(timeout)
        while not timer.is_timeout():
            remaining = int(timer.remaining() + 1)
            if not self._overlay or remaining != timeout:
                # Rebluid overlay only if remaining number has changed
                self._show_overlay(str(remaining), alpha)
                timeout = remaining
                shown = False

            updated_rect = None
            if self._preview_compatible:
                updated_rect = self._window.show_image(self._get_preview_image())
            elif not shown:
                updated_rect = self._window.show_image(self._get_preview_image())
                shown = True  # Do not update dummy preview until next overlay update

            if first_loop:

def __init__(self, plugin_manager):
        self._pm = plugin_manager
        self.count = 0
        # Seconds to display the failed message
        self.failed_view_timer = PoolingTimer(2)
        # Seconds between each animated frame
        self.animated_frame_timer = PoolingTimer(0)
        # Seconds before going back to the start
        self.choose_timer = PoolingTimer(30)
        # Seconds to display the selected layout
        self.layout_timer = PoolingTimer(4)
        # Seconds to display the selected layout
        self.print_view_timer = PoolingTimer(0)
        # Seconds to display the selected layout
        self.finish_timer = PoolingTimer(0.5)

def preview_countdown(self, timeout, alpha=60):
        """Show a countdown of `timeout` seconds on the preview.
        Returns when the countdown is finished.
        """
        timeout = int(timeout)
        if timeout < 1:
            raise ValueError("Start time shall be greater than 0")

        timer = PoolingTimer(timeout)
        while not timer.is_timeout():
            self.preview(self._window)
            remaining = int(timer.remaining() + 1)
            if not self._overlay or remaining != timeout:
                # Rebluid overlay only if remaining number has changed
                self._show_overlay(str(remaining), alpha)
                timeout = remaining

        self._show_overlay(get_translated_text('smile'), alpha)

def __init__(self):
        State.__init__(self, 'wait')
        self.timer = PoolingTimer(self.app.config.getfloat('WINDOW', 'animate_delay'))

def __init__(self, plugin_manager):
        self._pm = plugin_manager
        self.count = 0
        # Seconds to display the failed message
        self.failed_view_timer = PoolingTimer(2)
        # Seconds between each animated frame
        self.animated_frame_timer = PoolingTimer(0)
        # Seconds before going back to the start
        self.choose_timer = PoolingTimer(30)
        # Seconds to display the selected layout
        self.layout_timer = PoolingTimer(4)
        # Seconds to display the selected layout
        self.print_view_timer = PoolingTimer(0)
        # Seconds to display the selected layout
        self.finish_timer = PoolingTimer(0.5)

def __init__(self, plugin_manager):
        self._pm = plugin_manager
        self.count = 0
        # Seconds to display the failed message
        self.failed_view_timer = PoolingTimer(2)
        # Seconds between each animated frame
        self.animated_frame_timer = PoolingTimer(0)
        # Seconds before going back to the start
        self.choose_timer = PoolingTimer(30)
        # Seconds to display the selected layout
        self.layout_timer = PoolingTimer(4)
        # Seconds to display the selected layout
        self.print_view_timer = PoolingTimer(0)
        # Seconds to display the selected layout
        self.finish_timer = PoolingTimer(0.5)

def preview_countdown(self, timeout, alpha=60):
        """Show a countdown of `timeout` seconds on the preview.
        Returns when the countdown is finished.
        """
        timeout = int(timeout)
        if timeout < 1:
            raise ValueError("Start time shall be greater than 0")

        timer = PoolingTimer(timeout)
        while not timer.is_timeout():
            self.preview(self._window)
            remaining = int(timer.remaining() + 1)
            if not self._overlay or remaining != timeout:
                # Rebluid overlay only if remaining number has changed
                self._show_overlay(str(remaining), alpha)
                timeout = remaining

        self._show_overlay(LANGUAGES.get(PiConfigParser.language, LANGUAGES['en']).get('smile_message'), alpha)

def __init__(self, plugin_manager):
        self._pm = plugin_manager
        self.count = 0
        # Seconds to display the failed message
        self.failed_view_timer = PoolingTimer(2)
        # Seconds between each animated frame
        self.animated_frame_timer = PoolingTimer(0)
        # Seconds before going back to the start
        self.choose_timer = PoolingTimer(30)
        # Seconds to display the selected layout
        self.layout_timer = PoolingTimer(4)
        # Seconds to display the selected layout
        self.print_view_timer = PoolingTimer(0)
        # Seconds to display the selected layout
        self.finish_timer = PoolingTimer(0.5)