/**
 * gpm_backlight_dialog_init:
 *
 * Initialises the popup, and makes sure that it matches the compositing of the screen.
 **/
static void
gpm_backlight_dialog_init (GpmBacklight *backlight)
{
	if (backlight->priv->popup != NULL
	    && !msd_osd_window_is_valid (MSD_OSD_WINDOW (backlight->priv->popup))) {
		gtk_widget_destroy (backlight->priv->popup);
		backlight->priv->popup = NULL;
	}

	if (backlight->priv->popup == NULL) {
		backlight->priv->popup= msd_media_keys_window_new ();
		msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (backlight->priv->popup),
							 "gpm-brightness-lcd",
							 TRUE);
		gtk_window_set_position (GTK_WINDOW (backlight->priv->popup), GTK_WIN_POS_NONE);
	}
}
static void
test_window (void)
{
        GtkWidget *window;

        window = msd_media_keys_window_new ();
        gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER_ALWAYS);

        msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (window),
                                                0);
        msd_media_keys_window_set_action (MSD_MEDIA_KEYS_WINDOW (window),
                                          MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME);

        gtk_widget_show (window);

        g_timeout_add (3000, (GSourceFunc) update_state, window);
}
/**
 * gpm_backlight_init:
 * @brightness: This brightness class instance
 *
 * initialises the brightness class. NOTE: We expect laptop_panel objects
 * to *NOT* be removed or added during the session.
 * We only control the first laptop_panel object if there are more than one.
 **/
static void
gpm_backlight_init (GpmBacklight *backlight)
{
	backlight->priv = GPM_BACKLIGHT_GET_PRIVATE (backlight);

	/* record our idle time */
	backlight->priv->idle_timer = g_timer_new ();

	/* watch for manual brightness changes (for the popup widget) */
	backlight->priv->brightness = gpm_brightness_new ();
	g_signal_connect (backlight->priv->brightness, "brightness-changed",
			  G_CALLBACK (brightness_changed_cb), backlight);

	/* we use up_client for the ac-adapter-changed signal */
	backlight->priv->client = up_client_new ();
	g_signal_connect (backlight->priv->client, "changed",
			  G_CALLBACK (gpm_backlight_client_changed_cb), backlight);

	/* gets caps */
	backlight->priv->can_dim = gpm_brightness_has_hw (backlight->priv->brightness);

	/* watch for dim value changes */
	backlight->priv->settings = g_settings_new (GPM_SETTINGS_SCHEMA);
	g_signal_connect (backlight->priv->settings, "changed", G_CALLBACK (gpm_settings_key_changed_cb), backlight);

	/* set the main brightness, this is designed to be updated if the user changes the
	 * brightness so we can undim to the 'correct' value */
	backlight->priv->master_percentage = g_settings_get_double (backlight->priv->settings, GPM_SETTINGS_BRIGHTNESS_AC);

	/* watch for brightness up and down buttons and also check lid state */
	backlight->priv->button = gpm_button_new ();
	g_signal_connect (backlight->priv->button, "button-pressed",
			  G_CALLBACK (gpm_backlight_button_pressed_cb), backlight);

	/* watch for idle mode changes */
	backlight->priv->idle = gpm_idle_new ();
	g_signal_connect (backlight->priv->idle, "idle-changed",
			  G_CALLBACK (idle_changed_cb), backlight);

	/* assumption */
	backlight->priv->system_is_idle = FALSE;
	backlight->priv->idle_dim_timeout = g_settings_get_int (backlight->priv->settings, GPM_SETTINGS_IDLE_DIM_TIME);
	gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout);

	/* use a visual widget */
	backlight->priv->popup = msd_media_keys_window_new ();
	msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (backlight->priv->popup),
						 "gpm-brightness-lcd",
						 TRUE);
        gtk_window_set_position (GTK_WINDOW (backlight->priv->popup), GTK_WIN_POS_NONE);

	/* DPMS mode poll class */
	backlight->priv->dpms = gpm_dpms_new ();

	/* we refresh DPMS on resume */
	backlight->priv->control = gpm_control_new ();
	g_signal_connect (backlight->priv->control, "resume",
			  G_CALLBACK (control_resume_cb), backlight);

	/* Don't do dimming on inactive console */
	backlight->priv->console = egg_console_kit_new ();

	/* sync at startup */
	gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
}