first draft of non-blocking powerd/uscreen brightness impl

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);
-}
-