/**
* gpm_settings_key_changed_cb:
*
* We might have to do things when the keys change; do them here.
**/
static void
gpm_settings_key_changed_cb (GSettings *settings, const gchar *key, GpmBacklight *backlight)
{
gboolean on_battery;
/* get battery status */
g_object_get (backlight->priv->client,
"on-battery", &on_battery,
NULL);
if (!on_battery && g_strcmp0 (key, GPM_SETTINGS_BRIGHTNESS_AC) == 0) {
backlight->priv->master_percentage = g_settings_get_double (settings, key);
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
} else if (on_battery && g_strcmp0 (key, GPM_SETTINGS_BRIGHTNESS_DIM_BATT) == 0) {
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
} else if (g_strcmp0 (key, GPM_SETTINGS_IDLE_DIM_AC) == 0 ||
g_strcmp0 (key, GPM_SETTINGS_BACKLIGHT_ENABLE) == 0 ||
g_strcmp0 (key, GPM_SETTINGS_SLEEP_DISPLAY_BATT) == 0 ||
g_strcmp0 (key, GPM_SETTINGS_BACKLIGHT_BATTERY_REDUCE) == 0 ||
g_strcmp0 (key, GPM_SETTINGS_IDLE_BRIGHTNESS) == 0) {
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
} else if (g_strcmp0 (key, GPM_SETTINGS_IDLE_DIM_TIME) == 0) {
backlight->priv->idle_dim_timeout = g_settings_get_int (settings, key);
gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout);
} else {
egg_debug ("unknown key %s", key);
}
}
/**
* gpm_backlight_notify_system_idle_changed:
**/
static gboolean
gpm_backlight_notify_system_idle_changed (GpmBacklight *backlight, gboolean is_idle)
{
gdouble elapsed;
/* no point continuing */
if (backlight->priv->system_is_idle == is_idle) {
egg_debug ("state not changed");
return FALSE;
}
/* get elapsed time and reset timer */
elapsed = g_timer_elapsed (backlight->priv->idle_timer, NULL);
g_timer_reset (backlight->priv->idle_timer);
if (is_idle == FALSE) {
egg_debug ("we have just been idle for %lfs", elapsed);
/* The user immediatly undimmed the screen!
* We should double the timeout to avoid this happening again */
if (elapsed < 10) {
/* double the event time */
backlight->priv->idle_dim_timeout *= 2.0;
egg_debug ("increasing idle dim time to %is", backlight->priv->idle_dim_timeout);
gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout);
}
/* We reset the dimming after 2 minutes of idle,
* as the user will have changed tasks */
if (elapsed > 2*60) {
/* reset back to our default dimming */
backlight->priv->idle_dim_timeout =
gconf_client_get_int (backlight->priv->conf,
GPM_CONF_BACKLIGHT_IDLE_DIM_TIME, NULL);
egg_debug ("resetting idle dim time to %is", backlight->priv->idle_dim_timeout);
gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout);
}
} else {
egg_debug ("we were active for %lfs", elapsed);
}
egg_debug ("changing powersave idle status to %i", is_idle);
backlight->priv->system_is_idle = is_idle;
return TRUE;
}
/**
* gpm_conf_gconf_key_changed_cb:
*
* We might have to do things when the gconf keys change; do them here.
**/
static void
gpm_conf_gconf_key_changed_cb (GConfClient *client, guint cnxn_id, GConfEntry *entry, GpmBacklight *backlight)
{
GConfValue *value;
gboolean on_battery;
value = gconf_entry_get_value (entry);
if (value == NULL)
return;
/* get battery status */
g_object_get (backlight->priv->client,
"on-battery", &on_battery,
NULL);
if (!on_battery && strcmp (entry->key, GPM_CONF_BACKLIGHT_BRIGHTNESS_AC) == 0) {
backlight->priv->master_percentage = gconf_value_get_int (value);
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE);
} else if (on_battery && strcmp (entry->key, GPM_CONF_BACKLIGHT_BRIGHTNESS_DIM_BATT) == 0) {
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE);
} else if (strcmp (entry->key, GPM_CONF_BACKLIGHT_IDLE_DIM_AC) == 0 ||
strcmp (entry->key, GPM_CONF_BACKLIGHT_ENABLE) == 0 ||
strcmp (entry->key, GPM_CONF_TIMEOUT_SLEEP_DISPLAY_BATT) == 0 ||
strcmp (entry->key, GPM_CONF_BACKLIGHT_BATTERY_REDUCE) == 0 ||
strcmp (entry->key, GPM_CONF_BACKLIGHT_IDLE_BRIGHTNESS) == 0) {
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE);
} else if (strcmp (entry->key, GPM_CONF_BACKLIGHT_IDLE_DIM_TIME) == 0) {
backlight->priv->idle_dim_timeout = gconf_value_get_int (value);
gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout);
} else {
egg_debug ("unknown key %s", entry->key);
}
}
/**
* 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)
{
gboolean lid_is_present = TRUE;
GpmPrefsServer *prefs_server;
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);
/* we use DeviceKit-power to see if we should show the lid UI */
g_object_get (backlight->priv->client,
"lid-is-present", &lid_is_present,
NULL);
/* expose ui in prefs program */
prefs_server = gpm_prefs_server_new ();
if (lid_is_present)
gpm_prefs_server_set_capability (prefs_server, GPM_PREFS_SERVER_LID);
if (backlight->priv->can_dim)
gpm_prefs_server_set_capability (prefs_server, GPM_PREFS_SERVER_BACKLIGHT);
g_object_unref (prefs_server);
/* watch for dim value changes */
backlight->priv->conf = gconf_client_get_default ();
/* watch gnome-power-manager keys */
gconf_client_add_dir (backlight->priv->conf, GPM_CONF_DIR, GCONF_CLIENT_PRELOAD_RECURSIVE, NULL);
gconf_client_notify_add (backlight->priv->conf, GPM_CONF_DIR,
(GConfClientNotifyFunc) gpm_conf_gconf_key_changed_cb,
backlight, NULL, NULL);
/* 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 = gconf_client_get_int (backlight->priv->conf, GPM_CONF_BACKLIGHT_BRIGHTNESS_AC, NULL);
/* 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 = gconf_client_get_int (backlight->priv->conf, GPM_CONF_BACKLIGHT_IDLE_DIM_TIME, NULL);
gpm_idle_set_timeout_dim (backlight->priv->idle, backlight->priv->idle_dim_timeout);
/* use a visual widget */
backlight->priv->popup = gsd_media_keys_window_new ();
gsd_media_keys_window_set_action_custom (GSD_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->consolekit = egg_console_kit_new ();
/* sync at startup */
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE);
}
/**
* 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 = gsd_media_keys_window_new ();
gsd_media_keys_window_set_action_custom (GSD_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->consolekit = egg_console_kit_new ();
/* sync at startup */
gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
}
