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Diffstat (limited to 'src/ib-brightness-uscreen-control.c')
| -rw-r--r-- | src/ib-brightness-uscreen-control.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/src/ib-brightness-uscreen-control.c b/src/ib-brightness-uscreen-control.c deleted file mode 100644 index ad2c155..0000000 --- a/src/ib-brightness-uscreen-control.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Copyright 2014 Canonical Ltd. - * - * This program is free software: you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 3, as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranties of - * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program. If not, see <http://www.gnu.org/licenses/>. - * - * Authors: - * Yuan-Chen Cheng <yc.cheng@canonical.com> - */ - -#include "ib-brightness-uscreen-control.h" - -static gboolean getBrightnessParams(GDBusProxy* powerd_proxy, int *dim, int *min, - int *max, int *dflt, gboolean *ab_supported); - -GDBusProxy* -uscreen_get_proxy(brightness_params_t *params) -{ - GError *error = NULL; - gboolean ret; - - g_return_val_if_fail (params != NULL, NULL); - - /* For now we still need to obtain the brigthness params from powerd */ - GDBusProxy* powerd_proxy = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - NULL, - "com.canonical.powerd", - "/com/canonical/powerd", - "com.canonical.powerd", - NULL, - &error); - - if (error != NULL) - { - g_debug ("could not connect to powerd: %s", error->message); - g_error_free (error); - return NULL; - } - - ret = getBrightnessParams(powerd_proxy, &(params->dim), &(params->min), - &(params->max), &(params->dflt), &(params->ab_supported)); - - if (! ret) - { - g_debug ("can't get brightness parameters from powerd"); - g_object_unref (powerd_proxy); - return NULL; - } - - g_clear_object (&powerd_proxy); - - GDBusProxy* uscreen_proxy = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM, - G_DBUS_PROXY_FLAGS_NONE, - NULL, - "com.canonical.Unity.Screen", - "/com/canonical/Unity/Screen", - "com.canonical.Unity.Screen", - NULL, - &error); - - if (error != NULL) - { - g_debug ("could not connect to unity screen: %s", error->message); - g_error_free (error); - return NULL; - } - - return uscreen_proxy; -} - - -static gboolean -getBrightnessParams(GDBusProxy* powerd_proxy, int *dim, int *min, int *max, int *dflt, gboolean *ab_supported) -{ - GVariant *ret = NULL; - GError *error = NULL; - - ret = g_dbus_proxy_call_sync(powerd_proxy, - "getBrightnessParams", - NULL, - G_DBUS_CALL_FLAGS_NONE, - 400, NULL, &error); // timeout: 400 ms - if (!ret) - { - if (error != NULL) - { - if (!g_error_matches(error, G_DBUS_ERROR, G_DBUS_ERROR_SERVICE_UNKNOWN)) - { - g_warning("getBrightnessParams from powerd failed: %s", error->message); - } - g_error_free(error); - } - return FALSE; - } - - g_variant_get(ret, "((iiiib))", dim, min, max, dflt, ab_supported); - g_variant_unref(ret); - return TRUE; -} - -static gboolean setUserBrightness(GDBusProxy* uscreen_proxy, GCancellable *gcancel, int brightness) -{ - GVariant *ret = NULL; - GError *error = NULL; - - ret = g_dbus_proxy_call_sync(uscreen_proxy, - "setUserBrightness", - g_variant_new("(i)", brightness), - G_DBUS_CALL_FLAGS_NONE, - -1, gcancel, &error); - if (!ret) { - g_warning("setUserBrightness via unity.screen failed: %s", error->message); - g_error_free(error); - return FALSE; - } else { - g_variant_unref(ret); - return TRUE; - } -} - -struct _IbBrightnessUScreenControl -{ - GDBusProxy *uscreen_proxy; - GCancellable *gcancel; - - int dim; - int min; - int max; - int dflt; // defalut value - gboolean ab_supported; - - int current; -}; - -IbBrightnessUscreenControl* -ib_brightness_uscreen_control_new (GDBusProxy* uscreen_proxy, brightness_params_t params) -{ - IbBrightnessUscreenControl *control; - - control = g_new0 (IbBrightnessUscreenControl, 1); - control->uscreen_proxy = uscreen_proxy; - control->gcancel = g_cancellable_new(); - - control->dim = params.dim; - control->min = params.min; - control->max = params.max; - control->dflt = params.dflt; - control->ab_supported = params.ab_supported; - - // XXX: set the brightness value is the only way to sync the brightness value with - // unity.screen, and we should set the user prefered / last set brightness value upon startup. - // Before we have code to store last set brightness value or other mechanism, we set - // it to default brightness that powerd proposed. - ib_brightness_uscreen_control_set_value(control, control->dflt); - - return control; -} - -void -ib_brightness_uscreen_control_set_value (IbBrightnessUscreenControl* self, gint value) -{ - gboolean ret; - - value = CLAMP(value, self->min, self->max); - ret = setUserBrightness(self->uscreen_proxy, self->gcancel, value); - if (ret) - { - self->current = value; - } -} - -gint -ib_brightness_uscreen_control_get_value (IbBrightnessUscreenControl* self) -{ - return self->current; -} - -gint -ib_brightness_uscreen_control_get_max_value (IbBrightnessUscreenControl* self) -{ - return self->max; -} - -void -ib_brightness_uscreen_control_free (IbBrightnessUscreenControl *self) -{ - g_cancellable_cancel (self->gcancel); - g_object_unref (self->gcancel); - g_object_unref (self->uscreen_proxy); - g_free (self); -} - |