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authorY.C cheng <yc.cheng@canonical.com>2014-03-03 17:18:05 +0800
committerY.C cheng <yc.cheng@canonical.com>2014-03-03 17:18:05 +0800
commit18fd0fa741f818ed8a6d09b8a2a4623e85d6bbdf (patch)
tree9399dc248cceefcdd4f219db5c06fc08b4f211dd
parent8c96b02c3ad3ee3286f75324ac6c262a091f0a43 (diff)
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set brightness via powerd if it exist (using dbus)
-rw-r--r--debian/changelog7
-rw-r--r--src/Makefile.am2
-rw-r--r--src/ib-brightness-powerd-control.c166
-rw-r--r--src/ib-brightness-powerd-control.h34
-rw-r--r--src/service.c53
5 files changed, 257 insertions, 5 deletions
diff --git a/debian/changelog b/debian/changelog
index e108d70..d5eefe5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+indicator-power (12.10.6+14.04.20140207-0ubuntu2) UNRELEASED; urgency=low
+
+ [ Yuan-Chen Cheng ]
+ * set brightness via powerd if it exist (using dbus)
+
+ -- Yuan-Chen Cheng <yc.cheng@canonical.com> Mon, 03 Mar 2014 17:07:47 +0800
+
indicator-power (12.10.6+14.04.20140207-0ubuntu1) trusty; urgency=low
[ Ted Gould ]
diff --git a/src/Makefile.am b/src/Makefile.am
index be746db..2461592 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -46,6 +46,8 @@ libindciatorpower_upower_a_LDFLAGS = $(COVERAGE_LDFLAGS)
libindicatorpower_service_a_SOURCES = \
ib-brightness-control.c \
ib-brightness-control.h \
+ ib-brightness-powerd-control.c \
+ ib-brightness-powerd-control.h \
device-provider.c \
device-provider.h \
device.c \
diff --git a/src/ib-brightness-powerd-control.c b/src/ib-brightness-powerd-control.c
new file mode 100644
index 0000000..3395bda
--- /dev/null
+++ b/src/ib-brightness-powerd-control.c
@@ -0,0 +1,166 @@
+/*
+ * 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 <gudev/gudev.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include "ib-brightness-powerd-control.h"
+
+GDBusProxy*
+powerd_get_proxy(void)
+{
+ GError *error = NULL;
+ 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_error_free (error);
+ g_debug ("could not connect to powerd: %s", error->message);
+ return NULL;
+ }
+ return powerd_proxy;
+}
+
+
+static gboolean
+getBrightnessParams(GDBusProxy* powerd_proxy, 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,
+ -1, NULL, &error);
+ if (!ret) {
+ g_warning("getBrightnessParams failed: %s", error->message);
+ g_error_free(error);
+ return FALSE;
+ }
+
+ g_variant_get(ret, "((iiib))", min, max, dflt, ab_supported);
+ g_variant_unref(ret);
+ return TRUE;
+}
+
+static gboolean setUserBrightness(GDBusProxy* powerd_proxy, int brightness)
+{
+ GVariant *ret = NULL;
+ GError *error = NULL;
+
+ ret = g_dbus_proxy_call_sync(powerd_proxy,
+ "setUserBrightness",
+ g_variant_new("(i)", brightness),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1, NULL, &error);
+ if (!ret) {
+ g_warning("setUserBrightness failed: %s", error->message);
+ g_error_free(error);
+ return FALSE;
+ } else {
+ g_variant_unref(ret);
+ return TRUE;
+ }
+}
+
+struct _IbBrightnessPowerdControl
+{
+ gboolean inited;
+
+ GDBusProxy *powerd_proxy;
+
+ int min;
+ int max;
+ int dflt;
+ gboolean ab_supported;
+
+ int current;
+};
+
+
+static void ib_brightness_init(IbBrightnessPowerdControl *control)
+{
+ gboolean ret = getBrightnessParams(control->powerd_proxy, &(control->min),
+ &(control->max), &(control->dflt), &(control->ab_supported));
+ if (! ret) return;
+
+ ib_brightness_powerd_control_set_value(control, control->max);
+
+ control->inited = TRUE;
+}
+
+IbBrightnessPowerdControl*
+ib_brightness_powerd_control_new (GDBusProxy* powerd_proxy)
+{
+ IbBrightnessPowerdControl *control;
+
+ control = g_new0 (IbBrightnessPowerdControl, 1);
+ control->inited = FALSE;
+ control->powerd_proxy = powerd_proxy;
+
+ ib_brightness_init(control);
+
+ return control;
+}
+
+void
+ib_brightness_powerd_control_set_value (IbBrightnessPowerdControl* self, gint value)
+{
+ gboolean ret;
+ if (! self->inited) return;
+ if (value > self->max || value < self->min) return;
+ ret = setUserBrightness(self->powerd_proxy, value);
+ if (ret)
+ {
+ self->current = value;
+ }
+}
+
+gint
+ib_brightness_powerd_control_get_value (IbBrightnessPowerdControl* self)
+{
+ if (! self->inited) return 0;
+ return self->current;
+}
+
+gint
+ib_brightness_powerd_control_get_max_value (IbBrightnessPowerdControl* self)
+{
+ if (! self->inited) return 0;
+ return self->max;
+}
+
+void
+ib_brightness_powerd_control_free (IbBrightnessPowerdControl *self)
+{
+ g_object_unref (self->powerd_proxy);
+ g_free (self);
+}
+
diff --git a/src/ib-brightness-powerd-control.h b/src/ib-brightness-powerd-control.h
new file mode 100644
index 0000000..77e44cb
--- /dev/null
+++ b/src/ib-brightness-powerd-control.h
@@ -0,0 +1,34 @@
+/*
+ * 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:
+ * Y.C Cheng <yc.cheng@canonical.com>
+ */
+
+#ifndef __IB_BRIGHTNESS_POWERD_CONTROL_H__
+#define __IB_BRIGHTNESS_POWERD_CONTROL_H__
+
+#include <gio/gio.h>
+GDBusProxy* powerd_get_proxy();
+
+typedef struct _IbBrightnessPowerdControl IbBrightnessPowerdControl;
+
+IbBrightnessPowerdControl* ib_brightness_powerd_control_new (GDBusProxy* powerd_proxy);
+void ib_brightness_powerd_control_set_value (IbBrightnessPowerdControl* self, gint value);
+gint ib_brightness_powerd_control_get_value (IbBrightnessPowerdControl* self);
+gint ib_brightness_powerd_control_get_max_value (IbBrightnessPowerdControl* self);
+void ib_brightness_powerd_control_free (IbBrightnessPowerdControl *self);
+
+#endif
diff --git a/src/service.c b/src/service.c
index 982a24e..0f976d1 100644
--- a/src/service.c
+++ b/src/service.c
@@ -27,6 +27,7 @@
#include "device.h"
#include "device-provider.h"
#include "ib-brightness-control.h"
+#include "ib-brightness-powerd-control.h"
#include "service.h"
#define BUS_NAME "com.canonical.indicator.power"
@@ -104,6 +105,7 @@ struct _IndicatorPowerServicePrivate
GSettings * settings;
IbBrightnessControl * brightness_control;
+ IbBrightnessPowerdControl * brightness_powerd_control;
guint own_id;
guint actions_export_id;
@@ -440,7 +442,12 @@ create_phone_devices_section (IndicatorPowerService * self G_GNUC_UNUSED)
static void
get_brightness_range (IndicatorPowerService * self, gint * low, gint * high)
{
- const int max = ib_brightness_control_get_max_value (self->priv->brightness_control);
+ int max = 0;
+ if (self->priv->brightness_control) {
+ max = ib_brightness_control_get_max_value (self->priv->brightness_control);
+ } else {
+ max = ib_brightness_powerd_control_get_max_value (self->priv->brightness_powerd_control);
+ }
*low = max * 0.05; /* 5% minimum -- don't let the screen go completely dark */
*high = max;
}
@@ -483,7 +490,15 @@ static GVariant *
action_state_for_brightness (IndicatorPowerService * self)
{
priv_t * p = self->priv;
- const gint brightness = ib_brightness_control_get_value (p->brightness_control);
+ gint brightness = 0;
+ if (p->brightness_control)
+ {
+ brightness = ib_brightness_control_get_value (p->brightness_control);
+ }
+ else if (p->brightness_powerd_control)
+ {
+ brightness = ib_brightness_powerd_control_get_value (p->brightness_powerd_control);
+ }
return g_variant_new_double (brightness_to_percentage (self, brightness));
}
@@ -502,7 +517,16 @@ on_brightness_change_requested (GSimpleAction * action G_GNUC_UNUSED,
IndicatorPowerService * self = INDICATOR_POWER_SERVICE (gself);
const gdouble percentage = g_variant_get_double (parameter);
const int brightness = percentage_to_brightness (self, percentage);
- ib_brightness_control_set_value (self->priv->brightness_control, brightness);
+
+ if (self->priv->brightness_control)
+ {
+ ib_brightness_control_set_value (self->priv->brightness_control, brightness);
+ }
+ else if (self->priv->brightness_powerd_control)
+ {
+ ib_brightness_powerd_control_set_value (self->priv->brightness_powerd_control, brightness);
+ }
+
update_brightness_action_state (self);
}
@@ -999,7 +1023,14 @@ my_dispose (GObject * o)
g_clear_object (&p->conn);
- g_clear_pointer (&p->brightness_control, ib_brightness_control_free);
+ if (p->brightness_control)
+ {
+ g_clear_pointer (&p->brightness_control, ib_brightness_control_free);
+ }
+ else if (p->brightness_powerd_control)
+ {
+ g_clear_pointer (&p->brightness_powerd_control, ib_brightness_powerd_control_free);
+ }
indicator_power_service_set_device_provider (self, NULL);
@@ -1013,6 +1044,7 @@ my_dispose (GObject * o)
static void
indicator_power_service_init (IndicatorPowerService * self)
{
+ GDBusProxy *powerd_proxy = NULL;
priv_t * p = G_TYPE_INSTANCE_GET_PRIVATE (self,
INDICATOR_TYPE_POWER_SERVICE,
IndicatorPowerServicePrivate);
@@ -1022,7 +1054,18 @@ indicator_power_service_init (IndicatorPowerService * self)
p->settings = g_settings_new ("com.canonical.indicator.power");
- p->brightness_control = ib_brightness_control_new ();
+ p->brightness_control = NULL;
+ p->brightness_powerd_control = NULL;
+
+ powerd_proxy = powerd_get_proxy();
+ if (powerd_proxy != NULL)
+ {
+ p->brightness_powerd_control = ib_brightness_powerd_control_new(powerd_proxy);
+ }
+ else
+ {
+ p->brightness_control = ib_brightness_control_new ();
+ }
init_gactions (self);