first draft of non-blocking powerd/uscreen brightness impl

1 files changed, 0 insertions, 156 deletions

diff --git a/src/ib-brightness-control.c b/src/ib-brightness-control.c
deleted file mode 100644
index 67da10c..0000000
--- a/src/ib-brightness-control.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright 2012 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:
- *     Renato Araujo Oliveira Filho <renato@canonical.com>
- */
-
-#include <gudev/gudev.h>
-
-#include <errno.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <string.h>
-
-#include "ib-brightness-control.h"
-
-struct _IbBrightnessControl
-{
-    gchar *path;
-};
-
-IbBrightnessControl*
-ib_brightness_control_new (void)
-{
-    IbBrightnessControl *control;
-    GUdevClient *client;
-    gchar *path = NULL;
-    GList *devices;
-
-    // detect device
-    client = g_udev_client_new (NULL);
-    devices = g_udev_client_query_by_subsystem (client, "backlight");
-    if (devices != NULL) {
-        GList *device;
-        const gchar *device_type;
-
-        for (device = devices; device != NULL; device = device->next) {
-            device_type = g_udev_device_get_sysfs_attr (device->data, "type");
-            if ((g_strcmp0 (device_type, "firmware") == 0) ||
-                (g_strcmp0 (device_type, "platform") == 0) ||
-                (g_strcmp0 (device_type, "raw") == 0)) {
-                path = g_strdup (g_udev_device_get_sysfs_path (device->data));
-                g_debug ("found: %s", path);
-                break;
-            }
-        }
-
-        g_list_free_full (devices, g_object_unref);
-    }
-    else {
-        g_warning ("Fail to query backlight devices.");
-    }
-
-    control = g_new0 (IbBrightnessControl, 1);
-    control->path = path;
-
-    g_object_unref (client);
-    return control;
-}
-
-void
-ib_brightness_control_set_value (IbBrightnessControl* self, gint value)
-{
-    gint fd;
-    gchar *filename;
-    gchar *svalue;
-    size_t length;
-    gint err;
-
-    if (self->path == NULL)
-      return;
-
-    filename = g_build_filename (self->path, "brightness", NULL);
-    fd = open(filename, O_WRONLY);
-    if (fd < 0) {
-        g_warning ("Fail to set brightness.");
-        g_free (filename);
-        return;
-    }
-
-    svalue = g_strdup_printf ("%i", value);
-    length = strlen (svalue);
-
-    err = errno;
-    errno = 0;
-    if (write (fd, svalue, length) != (ssize_t)length) {
-        g_warning ("Fail to write brightness information: %s", g_strerror(errno));
-    }
-    errno = err;
-
-    close (fd);
-    g_free (svalue);
-    g_free (filename);
-}
-
-static gint
-ib_brightness_control_get_value_from_file (IbBrightnessControl *self, const gchar *file)
-{
-    GError *error;
-    gchar *svalue;
-    gint value;
-    gchar *filename;
-
-    if (self->path == NULL)
-      return 0;
-
-    svalue = NULL;
-    error = NULL;
-    filename = g_build_filename (self->path, file, NULL);
-    g_file_get_contents (filename, &svalue, NULL, &error);
-    if (error) {
-        g_warning ("Fail to get brightness value: %s", error->message);
-        value = -1;
-        g_error_free (error);
-    } else {
-        value = atoi (svalue);
-        g_free (svalue);
-    }
-
-    g_free (filename);
-
-    return value;
-
-}
-
-gint
-ib_brightness_control_get_value (IbBrightnessControl* self)
-{
-    return ib_brightness_control_get_value_from_file (self, "brightness");
-}
-
-gint
-ib_brightness_control_get_max_value (IbBrightnessControl* self)
-{
-    return ib_brightness_control_get_value_from_file (self, "max_brightness");
-}
-
-void
-ib_brightness_control_free (IbBrightnessControl *self)
-{
-    g_free (self->path);
-    g_free (self);
-}
-