2 * simple-brightness-applet - simple statusarea applet that allows the user to select the brightness from a range of 1-5
4 * Copyright (c) 2009 Faheem Pervez <trippin1@gmail.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
23 //#ifdef HAVE_CONFIG_H
27 #include "simple-brightness-applet.h"
29 #include <glib/gi18n-lib.h>
32 #include <gconf/gconf-client.h>
34 #include <hildon/hildon.h>
36 #ifdef HILDON_DISABLE_DEPRECATED
37 #undef HILDON_DISABLE_DEPRECATED
40 HD_DEFINE_PLUGIN_MODULE (SimpleBrightnessApplet, simple_brightness_applet, HD_TYPE_STATUS_MENU_ITEM)
42 #define SIMPLE_BRIGHTNESS_GCONF_PATH "/system/osso/dsm/display"
43 #define BRIGHTNESS_KEY SIMPLE_BRIGHTNESS_GCONF_PATH "/display_brightness"
45 #define SIMPLE_BRIGHTNESS_APPLET_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
46 SIMPLE_TYPE_BRIGHTNESS_APPLET, SimpleBrightnessAppletPrivate))
48 struct _SimpleBrightnessAppletPrivate
50 GConfClient *gconf_client;
51 GtkHBox *applet_contents;
52 HildonControlbar *brightness_ctrlbar;
53 GtkWidget *settings_dialog;
54 GtkWidget *dispchkbtn;
55 GtkWidget *applet_button;
57 gulong brightness_ctrlbar_valchanged_id;
58 gulong dispchkbtn_toggled_id;
60 guint display_keepalive_timeout;
62 gboolean keepdispon_active;
64 osso_context_t *osso_context;
67 static void simple_brightness_applet_finalize (GObject *object);
70 static inline void simple_brightness_applet_show_fail_msg (void)
72 hildon_banner_show_information (NULL, NULL, _("Failed to keep backlight on"));
75 static gboolean simple_brightness_applet_keep_backlight_alive (SimpleBrightnessApplet *plugin)
77 osso_display_state_on (plugin->priv->osso_context);
78 if (osso_display_blanking_pause (plugin->priv->osso_context) != OSSO_OK)
80 simple_brightness_applet_show_fail_msg ();
81 plugin->priv->display_keepalive_timeout = 0;
82 g_signal_handler_block (plugin->priv->dispchkbtn, plugin->priv->dispchkbtn_toggled_id);
83 plugin->priv->keepdispon_active = FALSE;
84 hildon_check_button_set_active (HILDON_CHECK_BUTTON (plugin->priv->dispchkbtn), FALSE);
85 g_signal_handler_unblock (plugin->priv->dispchkbtn, plugin->priv->dispchkbtn_toggled_id);
91 static void simple_brightness_applet_on_gconf_value_changed (GConfClient *gconf_client G_GNUC_UNUSED, guint cnxn_id G_GNUC_UNUSED, GConfEntry *entry G_GNUC_UNUSED, SimpleBrightnessApplet *plugin)
93 g_signal_handler_block (plugin->priv->brightness_ctrlbar, plugin->priv->brightness_ctrlbar_valchanged_id);
94 hildon_controlbar_set_value (plugin->priv->brightness_ctrlbar, gconf_client_get_int (plugin->priv->gconf_client, BRIGHTNESS_KEY, NULL));
95 g_signal_handler_unblock (plugin->priv->brightness_ctrlbar, plugin->priv->brightness_ctrlbar_valchanged_id);
98 static void simple_brightness_applet_on_value_changed (HildonControlbar *brightness_ctrlbar G_GNUC_UNUSED, SimpleBrightnessApplet *plugin)
100 gconf_client_set_int (plugin->priv->gconf_client, BRIGHTNESS_KEY, hildon_controlbar_get_value (plugin->priv->brightness_ctrlbar), NULL);
103 static void simple_brightness_applet_on_settings_button_clicked (GtkWidget *button G_GNUC_UNUSED, SimpleBrightnessApplet *plugin)
105 gtk_widget_hide (plugin->priv->settings_dialog);
107 if (plugin->priv->osso_context)
108 osso_cp_plugin_execute (plugin->priv->osso_context, "libcpdisplay.so", NULL, TRUE);
110 gtk_widget_destroy (plugin->priv->settings_dialog);
113 static void simple_brightness_applet_on_dispchkbtn_toggled (GtkWidget *button G_GNUC_UNUSED, SimpleBrightnessApplet *plugin)
117 plugin->priv->keepdispon_active = hildon_check_button_get_active (HILDON_CHECK_BUTTON (plugin->priv->dispchkbtn));
118 g_signal_handler_block (plugin->priv->dispchkbtn, plugin->priv->dispchkbtn_toggled_id);
119 gtk_widget_hide(plugin->priv->settings_dialog);
121 if (plugin->priv->keepdispon_active)
123 simple_brightness_applet_keep_backlight_alive (plugin);
124 plugin->priv->display_keepalive_timeout = g_timeout_add_seconds (50, (GSourceFunc) simple_brightness_applet_keep_backlight_alive, plugin);
125 if (plugin->priv->display_keepalive_timeout == 0)
127 plugin->priv->keepdispon_active = FALSE;
128 hildon_check_button_set_active (HILDON_CHECK_BUTTON (plugin->priv->dispchkbtn), FALSE);
129 simple_brightness_applet_show_fail_msg ();
133 gtk_widget_set_name (plugin->priv->applet_button, "hildon-reject-button-finger");
134 pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (), "general_brightness", 18, 0, NULL);
137 hd_status_plugin_item_set_status_area_icon (HD_STATUS_PLUGIN_ITEM (plugin), pixbuf);
138 g_object_unref (pixbuf);
143 if (g_source_remove (plugin->priv->display_keepalive_timeout))
145 gtk_widget_set_name (plugin->priv->applet_button, "GtkButton-finger");
146 hd_status_plugin_item_set_status_area_icon (HD_STATUS_PLUGIN_ITEM (plugin), NULL);
147 plugin->priv->display_keepalive_timeout = 0;
151 plugin->priv->keepdispon_active = TRUE;
152 hildon_check_button_set_active (HILDON_CHECK_BUTTON (plugin->priv->dispchkbtn), plugin->priv->keepdispon_active);
157 g_signal_handler_unblock (plugin->priv->dispchkbtn, plugin->priv->dispchkbtn_toggled_id);
158 gtk_widget_destroy(plugin->priv->settings_dialog);
161 /* Setup applet and dialogs: */
162 static void simple_brightness_applet_on_button_clicked (GtkWidget *button, SimpleBrightnessApplet *plugin)
164 GtkWidget *settings_button;
166 gtk_widget_hide (gtk_widget_get_toplevel (button));
168 plugin->priv->settings_dialog = gtk_dialog_new ();
169 gtk_window_set_title (GTK_WINDOW (plugin->priv->settings_dialog), "Simple Brightness Applet:");
170 gtk_window_set_destroy_with_parent (GTK_WINDOW (plugin->priv->settings_dialog), TRUE);
172 settings_button = hildon_gtk_button_new (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH);
173 gtk_button_set_label (GTK_BUTTON (settings_button), _("Open Display Settings..."));
174 gtk_button_set_image (GTK_BUTTON (settings_button), gtk_image_new_from_icon_name ("general_brightness", HILDON_ICON_SIZE_THUMB));
175 gtk_box_pack_start (GTK_BOX (GTK_DIALOG (plugin->priv->settings_dialog)->vbox), settings_button, TRUE, TRUE, 0);
176 g_signal_connect (settings_button, "clicked", G_CALLBACK (simple_brightness_applet_on_settings_button_clicked), plugin);
178 plugin->priv->dispchkbtn = hildon_check_button_new (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH);
179 gtk_button_set_label (GTK_BUTTON (plugin->priv->dispchkbtn), _("Keep display on"));
180 gtk_button_set_alignment (GTK_BUTTON (plugin->priv->dispchkbtn), 0.5f, 0.5f);
181 hildon_check_button_set_active (HILDON_CHECK_BUTTON (plugin->priv->dispchkbtn), plugin->priv->keepdispon_active);
182 gtk_box_pack_start (GTK_BOX (GTK_DIALOG (plugin->priv->settings_dialog)->vbox), plugin->priv->dispchkbtn, TRUE, TRUE, 0);
183 plugin->priv->dispchkbtn_toggled_id = g_signal_connect (plugin->priv->dispchkbtn, "toggled", G_CALLBACK (simple_brightness_applet_on_dispchkbtn_toggled), plugin);
185 gtk_widget_show_all (plugin->priv->settings_dialog);
188 static inline void simple_brightness_applet_setup (SimpleBrightnessApplet *plugin)
190 plugin->priv->applet_contents = GTK_HBOX (gtk_hbox_new (FALSE, 0));
192 plugin->priv->applet_button = hildon_gtk_button_new (HILDON_SIZE_FINGER_HEIGHT);
193 gtk_box_pack_start (GTK_BOX (plugin->priv->applet_contents), plugin->priv->applet_button, FALSE, TRUE, 0);
194 g_signal_connect (plugin->priv->applet_button, "clicked", G_CALLBACK(simple_brightness_applet_on_button_clicked), plugin);
195 gtk_button_set_image (GTK_BUTTON (plugin->priv->applet_button), gtk_image_new_from_icon_name ("general_brightness", HILDON_ICON_SIZE_THUMB));
197 plugin->priv->brightness_ctrlbar = HILDON_CONTROLBAR (hildon_controlbar_new ()); /* Yes, I know: I'm very naughty for using a depreciated widget. But let me know, Nokia, when you actually stop using it too. */
198 hildon_gtk_widget_set_theme_size(GTK_WIDGET(plugin->priv->brightness_ctrlbar), HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH);
199 hildon_controlbar_set_range (plugin->priv->brightness_ctrlbar, gconf_client_get_int(plugin->priv->gconf_client, "/system/osso/dsm/display/display_brightness_level_step", NULL), gconf_client_get_int(plugin->priv->gconf_client, "/system/osso/dsm/display/max_display_brightness_levels", NULL));
200 hildon_controlbar_set_value (plugin->priv->brightness_ctrlbar, gconf_client_get_int(plugin->priv->gconf_client, BRIGHTNESS_KEY, NULL));
201 plugin->priv->brightness_ctrlbar_valchanged_id = g_signal_connect (plugin->priv->brightness_ctrlbar, "value-changed", G_CALLBACK(simple_brightness_applet_on_value_changed), plugin);
202 gtk_box_pack_start (GTK_BOX (plugin->priv->applet_contents), GTK_WIDGET (plugin->priv->brightness_ctrlbar), FALSE, TRUE, 0);
204 gconf_client_add_dir (plugin->priv->gconf_client, SIMPLE_BRIGHTNESS_GCONF_PATH, GCONF_CLIENT_PRELOAD_NONE, NULL);
205 plugin->priv->gconfnotify_id = gconf_client_notify_add (plugin->priv->gconf_client, BRIGHTNESS_KEY, (GConfClientNotifyFunc)simple_brightness_applet_on_gconf_value_changed, plugin, NULL, NULL);
209 static void simple_brightness_applet_class_init (SimpleBrightnessAppletClass *klass)
211 GObjectClass *object_class = G_OBJECT_CLASS (klass);
213 object_class->finalize = (GObjectFinalizeFunc) simple_brightness_applet_finalize;
215 g_type_class_add_private (klass, sizeof (SimpleBrightnessAppletPrivate));
218 static void simple_brightness_applet_class_finalize (SimpleBrightnessAppletClass *klass G_GNUC_UNUSED) {}
220 static void simple_brightness_applet_init (SimpleBrightnessApplet *plugin)
222 plugin->priv = SIMPLE_BRIGHTNESS_APPLET_GET_PRIVATE (plugin);
223 if (G_UNLIKELY (!plugin->priv))
225 memset (plugin->priv, 0, sizeof (SimpleBrightnessAppletPrivate));
227 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
228 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
230 plugin->priv->keepdispon_active = FALSE;
232 plugin->priv->osso_context = osso_initialize (PACKAGE, PACKAGE_VERSION, TRUE, NULL);
233 if (G_UNLIKELY (!plugin->priv->osso_context))
236 plugin->priv->gconf_client = gconf_client_get_default ();
237 if (G_UNLIKELY (!plugin->priv->gconf_client))
240 simple_brightness_applet_setup (plugin);
241 gtk_container_add (GTK_CONTAINER (plugin), GTK_WIDGET (plugin->priv->applet_contents));
242 gtk_widget_show_all (GTK_WIDGET (plugin));
245 static void simple_brightness_applet_finalize (GObject *object)
247 SimpleBrightnessApplet *plugin = SIMPLE_BRIGHTNESS_APPLET (object);
249 if (plugin->priv->brightness_ctrlbar_valchanged_id != 0)
250 g_signal_handler_disconnect (plugin->priv->brightness_ctrlbar, plugin->priv->brightness_ctrlbar_valchanged_id);
252 if (plugin->priv->display_keepalive_timeout != 0)
253 g_source_remove (plugin->priv->display_keepalive_timeout);
255 if (plugin->priv->gconfnotify_id != 0)
257 gconf_client_notify_remove (plugin->priv->gconf_client, plugin->priv->gconfnotify_id);
258 gconf_client_remove_dir (plugin->priv->gconf_client, SIMPLE_BRIGHTNESS_GCONF_PATH, NULL);
261 if (plugin->priv->gconf_client)
263 gconf_client_clear_cache (plugin->priv->gconf_client);
264 g_object_unref (plugin->priv->gconf_client);
267 if (plugin->priv->osso_context)
268 osso_deinitialize (plugin->priv->osso_context);
270 G_OBJECT_CLASS (simple_brightness_applet_parent_class)->finalize (object);