src/lib-display-blanking-status-menu-widget.c

   1  /***********************************************************************************
   2  *  Display blanking status area plugin
   3  *  Copyright (C) 2012 Leandro Lucarella
   4  *  Based on status-area-orientationlock-applet by Mohammad Abu-Garbeyyeh.
   5  *
   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.
  10  *
  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.
  15  *
  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  ***********************************************************************************/
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <libintl.h>
  26 #include <gtk/gtk.h>
  27 #include <hildon/hildon.h>
  28 #include <libhildondesktop/libhildondesktop.h>
  29 #include <gconf/gconf-client.h>
  30 #include <dbus/dbus.h>
  31 #include <mce/dbus-names.h>
  32
  33
  34 #define TYPE_DISPLAY_BLANKING_STATUS_PLUGIN (display_blanking_status_plugin_get_type ())
  35
  36 #define DISPLAY_BLANKING_STATUS_PLUGIN(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
  37                                     TYPE_DISPLAY_BLANKING_STATUS_PLUGIN, DisplayBlankingStatusPlugin))
  38
  39 #define DISPLAY_BLANKING_STATUS_PLUGIN_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), \
  40                                 TYPE_DISPLAY_BLANKING_STATUS_PLUGIN, DisplayBlankingStatusPluginClass))
  41
  42 #define IS_DISPLAY_BLANKING_STATUS_PLUGIN(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
  43                                                     TYPE_DISPLAY_BLANKING_STATUS_PLUGIN))
  44
  45 #define IS_DISPLAY_BLANKING_STATUS_PLUGIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), \
  46                                                     TYPE_DISPLAY_BLANKING_STATUS_PLUGIN))
  47
  48 #define DISPLAY_BLANKING_STATUS_PLUGIN_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
  49                             TYPE_DISPLAY_BLANKING_STATUS_PLUGIN, DisplayBlankingStatusPluginClass))
  50
  51 #define STATUS_AREA_DISPLAY_BLANKING_ICON_SIZE 18
  52
  53 typedef struct _DisplayBlankingStatusPlugin        DisplayBlankingStatusPlugin;
  54 typedef struct _DisplayBlankingStatusPluginClass   DisplayBlankingStatusPluginClass;
  55 typedef struct _DisplayBlankingStatusPluginPrivate DisplayBlankingStatusPluginPrivate;
  56
  57 struct _DisplayBlankingStatusPlugin
  58 {
  59     HDStatusMenuItem parent;
  60
  61     DisplayBlankingStatusPluginPrivate *priv;
  62 };
  63
  64 struct _DisplayBlankingStatusPluginClass
  65 {
  66     HDStatusMenuItemClass parent;
  67 };
  68
  69 GType display_blanking_status_plugin_get_type (void);
  70
  71 #define DISPLAY_BLANKING_STATUS_PLUGIN_GET_PRIVATE(obj) \
  72         (G_TYPE_INSTANCE_GET_PRIVATE (obj, \
  73                 TYPE_DISPLAY_BLANKING_STATUS_PLUGIN, \
  74                 DisplayBlankingStatusPluginPrivate))
  75
  76 #define MODE_GCONF_ROOT "/system/osso/dsm/display"
  77 #define MODE_GCONF_KEY  MODE_GCONF_ROOT "/inhibit_blank_mode"
  78
  79 #define HOURS_GCONF_KEY   "/apps/Maemo/sadba/timed_inhibit_hours"
  80 #define MINUTES_GCONF_KEY "/apps/Maemo/sadba/timed_inhibit_minutes"
  81
  82 #define INHIBIT_MSG_INTERVAL 30 // in seconds
  83
  84 #define GETTEXT_DOM "status-area-displayblanking-applet"
  85 #define gettext_noop(str) (str)
  86
  87 // Undocumented blanking modes as reported by David Weinehall from Nokia:
  88 // http://www.gossamer-threads.com/lists/maemo/developers/61201#61201
  89 #define BLANKING_MODES 5
  90 static const char *_DisplayBlankingDescription[BLANKING_MODES] =
  91 {
  92     gettext_noop ("Both enabled"),
  93     gettext_noop ("Both only on battery"),
  94     gettext_noop ("Blanking only on battery"),
  95     gettext_noop ("Both disabled"),
  96     gettext_noop ("Only dimming")
  97 };
  98 static const char *mode_icon_name[BLANKING_MODES] =
  99 {
 100     "display-blanking-icon.0",
 101     "display-blanking-icon.1",
 102     "display-blanking-icon.2",
 103     "display-blanking-icon.3",
 104     "display-blanking-icon.4",
 105 };
 106 #define INHIBIT_ICON_NAME       "display-blanking-inhibit-icon"
 107 #define TIMED_INHIBIT_ICON_NAME "display-blanking-inhibit-icon.timed"
 108 #define INHIBIT_STATUS_ICON_NAME "display-blanking-status"
 109
 110 struct _DisplayBlankingStatusPluginPrivate
 111 {
 112     DisplayBlankingStatusPlugin* plugin;
 113     GConfClient *gconf_client;
 114     DBusConnection* dbus_conn;
 115     DBusMessage* dbus_msg;
 116     GtkWidget *mode_button;
 117     GtkWidget *mode_dialog;
 118     GtkWidget *inhibit_button;
 119     GtkWidget *timed_inhibit_button;
 120     GtkWidget *timed_inhibit_dialog;
 121     gint inhibit_timer_id;       // if == 0
 122     gint timed_inhibit_timer_id; //     no timer is set
 123     // gtk_toggle_button_set_active () triggers the "clicked" signal on the
 124     // affected button, since we don't want to process the signal while
 125     // changing the "pressed" state (we want just the GUI to change, we use
 126     // this flag to ignore the "clicke" signal handler when is TRUE
 127     gboolean inhibit_in_signal;
 128     gpointer data;
 129 };
 130
 131 HD_DEFINE_PLUGIN_MODULE (DisplayBlankingStatusPlugin,
 132         display_blanking_status_plugin, HD_TYPE_STATUS_MENU_ITEM)
 133
 134 static void
 135 display_blanking_status_plugin_class_finalize (
 136         DisplayBlankingStatusPluginClass *klass)
 137 {
 138 }
 139
 140 static void
 141 display_blanking_status_plugin_class_init (DisplayBlankingStatusPluginClass *c)
 142 {
 143     g_type_class_add_private (c, sizeof (DisplayBlankingStatusPluginPrivate));
 144 }
 145
 146 static void
 147 update_mode_gui (gint mode, DisplayBlankingStatusPluginPrivate *priv)
 148 {
 149     GtkWidget *icon = gtk_image_new_from_icon_name (mode_icon_name[mode],
 150             GTK_ICON_SIZE_DIALOG);
 151     gtk_button_set_image (GTK_BUTTON (priv->mode_button), icon);
 152 }
 153
 154 static void
 155 disable_timer (gint *timer_id)
 156 {
 157     g_assert (*timer_id != 0);
 158     gboolean ok = g_source_remove (*timer_id);
 159     g_assert (ok == TRUE);
 160     *timer_id = 0;
 161 }
 162
 163 static void
 164 disable_inhibition (DisplayBlankingStatusPluginPrivate *priv)
 165 {
 166     disable_timer (&(priv->inhibit_timer_id));
 167     hd_status_plugin_item_set_status_area_icon (
 168             HD_STATUS_PLUGIN_ITEM (priv->plugin), NULL);
 169 }
 170
 171 static gboolean
 172 on_inhibit_timeout (DisplayBlankingStatusPluginPrivate *priv)
 173 {
 174     dbus_bool_t ok = dbus_connection_send (priv->dbus_conn, priv->dbus_msg,
 175             NULL);
 176     g_assert (ok == TRUE);
 177
 178     return TRUE;
 179 }
 180
 181 static gboolean
 182 on_timed_inhibit_timeout (DisplayBlankingStatusPluginPrivate *priv)
 183 {
 184     disable_inhibition (priv);
 185     disable_timer (&(priv->timed_inhibit_timer_id));
 186
 187     priv->inhibit_in_signal = TRUE;
 188     gtk_toggle_button_set_active (
 189             GTK_TOGGLE_BUTTON (priv->timed_inhibit_button), FALSE);
 190     priv->inhibit_in_signal = FALSE;
 191
 192     GtkWidget *banner = hildon_banner_show_information (
 193             priv->timed_inhibit_button, NULL,
 194             dgettext (GETTEXT_DOM, "Display blanking inhibition disabled"));
 195     hildon_banner_set_timeout (HILDON_BANNER (banner), 5000);
 196
 197     return FALSE;
 198 }
 199
 200 static void
 201 enable_inhibition (DisplayBlankingStatusPluginPrivate *priv)
 202 {
 203     g_assert (priv->inhibit_timer_id == 0);
 204     priv->inhibit_timer_id = g_timeout_add_seconds (INHIBIT_MSG_INTERVAL,
 205             (GSourceFunc) on_inhibit_timeout, priv);
 206     g_assert (priv->inhibit_timer_id > 0);
 207
 208     GtkIconTheme *icon_theme = gtk_icon_theme_get_default ();
 209     GdkPixbuf *pixbuf = gtk_icon_theme_load_icon (icon_theme,
 210             INHIBIT_STATUS_ICON_NAME, 18, GTK_ICON_LOOKUP_NO_SVG, NULL);
 211     hd_status_plugin_item_set_status_area_icon (
 212             HD_STATUS_PLUGIN_ITEM (priv->plugin), pixbuf);
 213 }
 214
 215 static void
 216 on_inhibit_button_clicked (GtkWidget *button,
 217         DisplayBlankingStatusPluginPrivate *priv)
 218 {
 219     if (priv->inhibit_in_signal)
 220         return;
 221
 222     GtkWidget *parent = gtk_widget_get_ancestor (button, GTK_TYPE_WINDOW);
 223     gtk_widget_hide (parent);
 224
 225     gboolean self_pressed = gtk_toggle_button_get_active (
 226             GTK_TOGGLE_BUTTON (button));
 227     gboolean other_pressed = gtk_toggle_button_get_active (
 228             GTK_TOGGLE_BUTTON (priv->timed_inhibit_button));
 229
 230     if (self_pressed && other_pressed) {
 231         g_assert (priv->inhibit_timer_id != 0);
 232
 233         disable_timer (&(priv->timed_inhibit_timer_id));
 234
 235         priv->inhibit_in_signal = TRUE;
 236         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (
 237                 priv->timed_inhibit_button), FALSE);
 238         priv->inhibit_in_signal = FALSE;
 239     }
 240     else if (self_pressed && !other_pressed) {
 241         g_assert (priv->timed_inhibit_timer_id == 0);
 242
 243         enable_inhibition (priv);
 244     }
 245     else if (!self_pressed) {
 246         g_assert (!other_pressed);
 247         g_assert (priv->timed_inhibit_timer_id == 0);
 248
 249         disable_inhibition (priv);
 250     }
 251     else
 252         g_assert (FALSE);
 253 }
 254
 255 static GtkWidget *
 256 timed_inhibit_picker_new (const gchar* title, gsize current, guint max,
 257         guint step)
 258 {
 259     g_assert (max < 100);
 260     static gchar buffer[3]; // 2 for the number + 1 for \0
 261
 262     GtkWidget *selector = hildon_touch_selector_entry_new_text ();
 263     gint selected = -1;
 264     for (int i = 0; i*step <= max; i++) {
 265         if (i*step == current)
 266             selected = i;
 267         hildon_touch_selector_append_text (HILDON_TOUCH_SELECTOR (selector),
 268                 g_ascii_formatd (buffer, 3, "%.0f", i*step));
 269     }
 270     hildon_gtk_entry_set_input_mode (GTK_ENTRY (
 271                 hildon_touch_selector_entry_get_entry (
 272                     HILDON_TOUCH_SELECTOR_ENTRY (selector))),
 273             HILDON_GTK_INPUT_MODE_NUMERIC);
 274
 275     GtkWidget *picker = hildon_picker_button_new (HILDON_SIZE_FINGER_HEIGHT,
 276             HILDON_BUTTON_ARRANGEMENT_VERTICAL);
 277     hildon_button_set_title (HILDON_BUTTON (picker), title);
 278     hildon_picker_button_set_selector (HILDON_PICKER_BUTTON (picker),
 279             HILDON_TOUCH_SELECTOR (selector));
 280     hildon_picker_button_set_active (HILDON_PICKER_BUTTON (picker),
 281             selected);
 282     hildon_button_set_value (HILDON_BUTTON (picker),
 283                 g_ascii_formatd (buffer, 3, "%.0f", current));
 284
 285     g_object_set_data (G_OBJECT (picker), "max", GUINT_TO_POINTER (max));
 286
 287     return picker;
 288 }
 289
 290 static guint
 291 timed_inhibit_picker_get_value (GtkWidget *picker)
 292 {
 293     guint max = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (picker), "max"));
 294
 295     return CLAMP (g_ascii_strtod (hildon_button_get_value (
 296                     HILDON_BUTTON (picker)), NULL), 0, max);
 297 }
 298
 299 static guint
 300 timed_inhibit_get_input (DisplayBlankingStatusPluginPrivate *priv)
 301 {
 302     g_assert (priv->timed_inhibit_dialog == NULL);
 303     priv->timed_inhibit_dialog = gtk_dialog_new_with_buttons (
 304             dgettext (GETTEXT_DOM, "Inhibit display blanking for..."), NULL,
 305             GTK_DIALOG_MODAL, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 306             GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL);
 307
 308     GtkWidget *h_picker = timed_inhibit_picker_new (
 309             dgettext (GETTEXT_DOM, "Hours"),
 310             gconf_client_get_int (priv->gconf_client, HOURS_GCONF_KEY, NULL),
 311             24, 1);
 312     GtkWidget *m_picker = timed_inhibit_picker_new (
 313             dgettext (GETTEXT_DOM, "Minutes"),
 314             gconf_client_get_int (priv->gconf_client, MINUTES_GCONF_KEY, NULL),
 315             60, 10);
 316
 317     GtkWidget *hbox = gtk_hbox_new (FALSE, 0);
 318     g_assert (hbox != NULL);
 319
 320     gtk_container_add (GTK_CONTAINER (hbox), h_picker);
 321     gtk_container_add (GTK_CONTAINER (hbox), m_picker);
 322
 323     GtkWidget *content_area = gtk_dialog_get_content_area (
 324             GTK_DIALOG (priv->timed_inhibit_dialog));
 325     gtk_container_add (GTK_CONTAINER (content_area), hbox);
 326
 327     gtk_widget_show_all (priv->timed_inhibit_dialog);
 328
 329     gint result = gtk_dialog_run (GTK_DIALOG (priv->timed_inhibit_dialog));
 330
 331     guint timeout = 0;
 332     if (result == GTK_RESPONSE_ACCEPT) {
 333         gint hours = timed_inhibit_picker_get_value (h_picker);
 334         gint mins = timed_inhibit_picker_get_value (m_picker);
 335
 336         GError *e = NULL;
 337         gconf_client_set_int (priv->gconf_client, HOURS_GCONF_KEY, hours, &e);
 338         g_assert (e == NULL);
 339         gconf_client_set_int (priv->gconf_client, MINUTES_GCONF_KEY, mins, &e);
 340         g_assert (e == NULL);
 341
 342         timeout = hours*3600 + mins*60;
 343     }
 344
 345     gtk_widget_destroy (priv->timed_inhibit_dialog);
 346     priv->timed_inhibit_dialog = NULL;
 347
 348     return timeout;
 349 }
 350
 351 static void
 352 on_timed_inhibit_button_clicked (GtkWidget *button,
 353         DisplayBlankingStatusPluginPrivate *priv)
 354 {
 355     if (priv->inhibit_in_signal)
 356         return;
 357
 358     GtkWidget *parent = gtk_widget_get_ancestor (GTK_WIDGET (priv->mode_button),
 359             GTK_TYPE_WINDOW);
 360     gtk_widget_hide (parent);
 361
 362     gboolean self_pressed = gtk_toggle_button_get_active (
 363             GTK_TOGGLE_BUTTON (button));
 364     gboolean other_pressed = gtk_toggle_button_get_active (
 365             GTK_TOGGLE_BUTTON (priv->inhibit_button));
 366
 367     if (self_pressed) {
 368         g_assert (priv->timed_inhibit_timer_id == 0);
 369         if (other_pressed)
 370             g_assert (priv->inhibit_timer_id != 0);
 371
 372         guint timeout = timed_inhibit_get_input (priv);
 373         if (timeout) {
 374             if (other_pressed) {
 375                 priv->inhibit_in_signal = TRUE;
 376                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (
 377                             priv->inhibit_button), FALSE);
 378                 priv->inhibit_in_signal = FALSE;
 379             }
 380             else
 381                 enable_inhibition (priv);
 382
 383             priv->timed_inhibit_timer_id = g_timeout_add_seconds (timeout,
 384                     (GSourceFunc) on_timed_inhibit_timeout, priv);
 385             g_assert (priv->timed_inhibit_timer_id > 0);
 386         }
 387         else {
 388             priv->inhibit_in_signal = TRUE;
 389             gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (
 390                         priv->timed_inhibit_button), FALSE);
 391             priv->inhibit_in_signal = FALSE;
 392         }
 393     }
 394     else { // !self_pressed
 395         g_assert (!other_pressed);
 396
 397         disable_inhibition (priv);
 398         disable_timer (&(priv->timed_inhibit_timer_id));
 399     }
 400 }
 401
 402 static void
 403 on_mode_dialog_button_clicked (GtkWidget *button, GtkDialog *dialog)
 404 {
 405     const gchar *title = hildon_button_get_title (HILDON_BUTTON (button));
 406
 407     gint *mode = (gint *) g_object_get_data (G_OBJECT(dialog), "mode");
 408     g_assert (mode != NULL);
 409
 410     for (*mode = 0; *mode < BLANKING_MODES; (*mode)++) {
 411         if (strcmp (title, _DisplayBlankingDescription[*mode]) == 0)
 412             break;
 413     }
 414     g_assert (*mode < BLANKING_MODES);
 415
 416     gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 417 }
 418
 419 static gint
 420 mode_get_input (DisplayBlankingStatusPluginPrivate *priv)
 421 {
 422     g_assert (priv->mode_dialog == NULL);
 423     priv->mode_dialog = gtk_dialog_new ();
 424     gtk_window_set_modal (GTK_WINDOW (priv->mode_dialog), TRUE);
 425     gtk_window_set_title (GTK_WINDOW (priv->mode_dialog),
 426             dgettext (GETTEXT_DOM, "Select display blanking mode"));
 427
 428     GtkWidget *pan_area = hildon_pannable_area_new ();
 429     g_assert (pan_area != NULL);
 430
 431     GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
 432     g_assert (vbox != NULL);
 433
 434     hildon_pannable_area_add_with_viewport (HILDON_PANNABLE_AREA (pan_area),
 435             vbox);
 436     GtkWidget *content_area = gtk_dialog_get_content_area (
 437             GTK_DIALOG (priv->mode_dialog));
 438     gtk_box_pack_start (GTK_BOX (content_area), pan_area, TRUE, TRUE, 0);
 439
 440     gtk_widget_set_size_request (pan_area, -1, MIN (350, BLANKING_MODES * 70));
 441
 442     gint mode = BLANKING_MODES;
 443     for (int i = 0; i < BLANKING_MODES; i++) {
 444         GtkWidget *button =
 445                 hildon_button_new_with_text (HILDON_SIZE_FINGER_HEIGHT,
 446                     HILDON_BUTTON_ARRANGEMENT_VERTICAL,
 447                     dgettext (GETTEXT_DOM, (_DisplayBlankingDescription[i])),
 448                     NULL);
 449         hildon_button_set_style (HILDON_BUTTON (button),
 450             HILDON_BUTTON_STYLE_PICKER);
 451         GtkWidget *icon = gtk_image_new_from_icon_name (mode_icon_name[i],
 452                 GTK_ICON_SIZE_DIALOG);
 453         hildon_button_set_image (HILDON_BUTTON (button), icon);
 454         gtk_button_set_alignment (GTK_BUTTON (button), 0.0f, 0.5f);
 455         gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
 456         g_signal_connect (button, "clicked",
 457                 G_CALLBACK (on_mode_dialog_button_clicked), priv->mode_dialog);
 458     }
 459
 460     g_object_set_data (G_OBJECT (priv->mode_dialog), "mode", &mode);
 461     gtk_widget_show_all (priv->mode_dialog);
 462     gtk_dialog_run (GTK_DIALOG (priv->mode_dialog));
 463
 464     gtk_widget_destroy (priv->mode_dialog);
 465     priv->mode_dialog = NULL;
 466
 467     return mode;
 468 }
 469
 470 static void
 471 on_mode_button_clicked (GtkWidget *button,
 472         DisplayBlankingStatusPluginPrivate *priv)
 473 {
 474     GtkWidget *parent = gtk_widget_get_ancestor (GTK_WIDGET (priv->mode_button),
 475             GTK_TYPE_WINDOW);
 476     gtk_widget_hide (parent);
 477
 478     gint mode = mode_get_input (priv);
 479
 480     if (mode != BLANKING_MODES) {
 481         // will trigger the gconf notify signal
 482         GError *error = NULL;
 483         gconf_client_set_int (priv->gconf_client, MODE_GCONF_KEY, mode, &error);
 484         g_assert (error == NULL);
 485     }
 486 }
 487
 488 static void
 489 on_gconf_notify (GConfClient* client, guint cnxn_id, GConfEntry* entry,
 490         DisplayBlankingStatusPluginPrivate* priv)
 491 {
 492     const gchar* key = gconf_entry_get_key (entry);
 493     g_assert (key != NULL);
 494
 495     // Ignore notification about keys we don't care about
 496     if (strcmp (key, MODE_GCONF_KEY) != 0)
 497         return;
 498
 499     const GConfValue* value = gconf_entry_get_value (entry);
 500     g_assert (value != NULL);
 501     g_assert (GCONF_VALUE_TYPE_VALID (value->type));
 502     g_assert (value->type == GCONF_VALUE_INT);
 503
 504     gint mode = gconf_value_get_int (value);
 505     update_mode_gui (mode, priv);
 506 }
 507
 508 static void
 509 init_gconf (DisplayBlankingStatusPluginPrivate *priv)
 510 {
 511     GError* error = NULL;
 512
 513     priv->gconf_client = gconf_client_get_default ();
 514     g_assert (GCONF_IS_CLIENT (priv->gconf_client));
 515
 516     gconf_client_add_dir (priv->gconf_client, MODE_GCONF_ROOT,
 517             GCONF_CLIENT_PRELOAD_NONE, &error);
 518     g_assert (error == NULL);
 519
 520     gconf_client_notify_add (priv->gconf_client, MODE_GCONF_KEY,
 521             (GConfClientNotifyFunc) &on_gconf_notify, priv, NULL, &error);
 522     g_assert (error == NULL);
 523 }
 524
 525 static void
 526 init_dbus (DisplayBlankingStatusPluginPrivate *priv)
 527 {
 528     DBusError error;
 529     dbus_error_init (&error);
 530
 531     priv->dbus_conn = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
 532     g_assert (!dbus_error_is_set (&error));
 533     g_assert (priv->dbus_conn != NULL);
 534
 535     priv->dbus_msg = dbus_message_new_method_call (MCE_SERVICE,
 536             MCE_REQUEST_PATH, MCE_REQUEST_IF, MCE_PREVENT_BLANK_REQ);
 537     g_assert (priv->dbus_msg != NULL);
 538     dbus_message_set_no_reply (priv->dbus_msg, TRUE);
 539 }
 540
 541 static void
 542 init_mode_gui (DisplayBlankingStatusPluginPrivate *priv)
 543 {
 544     priv->mode_dialog = NULL;
 545     priv->mode_button = hildon_gtk_button_new (HILDON_SIZE_FINGER_HEIGHT |
 546                 HILDON_SIZE_AUTO_WIDTH);
 547
 548     GError* error = NULL;
 549     gint mode = gconf_client_get_int (priv->gconf_client, MODE_GCONF_KEY,
 550             &error);
 551     g_assert (error == NULL);
 552     update_mode_gui (mode, priv);
 553
 554     g_signal_connect (priv->mode_button, "clicked",
 555             G_CALLBACK (on_mode_button_clicked), priv);
 556 }
 557
 558 static GtkWidget *
 559 inhibit_button_new (const gchar *icon_name,
 560         void (*cb) (GtkWidget *, DisplayBlankingStatusPluginPrivate *),
 561         gpointer cb_data)
 562 {
 563
 564     GtkWidget *b = hildon_gtk_toggle_button_new (HILDON_SIZE_FINGER_HEIGHT |
 565             HILDON_SIZE_AUTO_WIDTH);
 566     gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON(b), FALSE);
 567     GtkWidget *icon = gtk_image_new_from_icon_name (icon_name,
 568             GTK_ICON_SIZE_DIALOG);
 569     gtk_button_set_image (GTK_BUTTON (b), icon);
 570     g_signal_connect (b, "clicked", G_CALLBACK (cb), cb_data);
 571
 572     return b;
 573 }
 574
 575 static void
 576 init_inhibit_gui (DisplayBlankingStatusPluginPrivate *priv)
 577 {
 578     priv->inhibit_in_signal = FALSE;
 579
 580     priv->inhibit_timer_id = 0;
 581     priv->timed_inhibit_timer_id = 0;
 582
 583     priv->inhibit_button = inhibit_button_new (INHIBIT_ICON_NAME,
 584             on_inhibit_button_clicked, priv);
 585
 586     priv->timed_inhibit_button = inhibit_button_new (
 587             TIMED_INHIBIT_ICON_NAME, on_timed_inhibit_button_clicked, priv);
 588 }
 589
 590 static void
 591 display_blanking_status_plugin_init (DisplayBlankingStatusPlugin *plugin)
 592 {
 593     DisplayBlankingStatusPluginPrivate *priv;
 594
 595     priv = DISPLAY_BLANKING_STATUS_PLUGIN_GET_PRIVATE (plugin);
 596     plugin->priv = priv;
 597     priv->plugin = plugin;
 598
 599     init_gconf (priv);
 600     init_dbus (priv);
 601     init_mode_gui (priv);
 602     init_inhibit_gui (priv);
 603
 604     GtkWidget *hbbox = gtk_hbutton_box_new ();
 605     g_assert (hbbox != NULL);
 606
 607     gtk_container_add (GTK_CONTAINER (hbbox), priv->mode_button);
 608     gtk_container_add (GTK_CONTAINER (hbbox), priv->inhibit_button);
 609     gtk_container_add (GTK_CONTAINER (hbbox), priv->timed_inhibit_button);
 610
 611     gtk_container_add (GTK_CONTAINER (plugin), hbbox);
 612
 613     gtk_widget_show_all (GTK_WIDGET (plugin));
 614 }
 615