summaryrefslogtreecommitdiff
path: root/applets/inhibit/inhibit-applet.c
blob: b2d1e92c6781359a63700c28c3580c748d26bca6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 * MATE Power Manager Inhibit Applet
 * Copyright (C) 2006 Benjamin Canou <bookeldor@gmail.com>
 * Copyright (C) 2006-2009 Richard Hughes <richard@hughsie.com>
 *
 * Licensed under the GNU General Public License Version 2
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

/* FIXME: gdk_gc_* needs porting to cairo */
#undef GDK_DISABLE_DEPRECATED

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mate-panel-applet.h>
#include <gtk/gtk.h>
#include <glib-object.h>
#include <glib/gi18n.h>
#include <dbus/dbus-glib.h>
#include <libmate-desktop/mate-aboutdialog.h>

#include "egg-debug.h"
#include "egg-dbus-monitor.h"
#include "gpm-common.h"

#define GPM_TYPE_INHIBIT_APPLET		(gpm_inhibit_applet_get_type ())
#define GPM_INHIBIT_APPLET(o)		(G_TYPE_CHECK_INSTANCE_CAST ((o), GPM_TYPE_INHIBIT_APPLET, GpmInhibitApplet))
#define GPM_INHIBIT_APPLET_CLASS(k)	(G_TYPE_CHECK_CLASS_CAST((k), GPM_TYPE_INHIBIT_APPLET, GpmInhibitAppletClass))
#define GPM_IS_INHIBIT_APPLET(o)	(G_TYPE_CHECK_INSTANCE_TYPE ((o), GPM_TYPE_INHIBIT_APPLET))
#define GPM_IS_INHIBIT_APPLET_CLASS(k)	(G_TYPE_CHECK_CLASS_TYPE ((k), GPM_TYPE_INHIBIT_APPLET))
#define GPM_INHIBIT_APPLET_GET_CLASS(o)	(G_TYPE_INSTANCE_GET_CLASS ((o), GPM_TYPE_INHIBIT_APPLET, GpmInhibitAppletClass))

typedef struct{
	MatePanelApplet parent;
	/* applet state */
	guint cookie;
	/* the icon and a cache for size*/
	GdkPixbuf *icon;
	gint icon_width, icon_height;
	/* connection to g-p-m */
	DBusGProxy *proxy;
	DBusGConnection *connection;
	EggDbusMonitor *monitor;
	guint level;
	/* a cache for panel size */
	gint size;
} GpmInhibitApplet;

typedef struct{
	MatePanelAppletClass	parent_class;
} GpmInhibitAppletClass;

GType                gpm_inhibit_applet_get_type  (void);

#define GS_DBUS_SERVICE		"org.gnome.SessionManager"
#define GS_DBUS_PATH		"/org/gnome/SessionManager"
#define GS_DBUS_INTERFACE	"org.gnome.SessionManager"

static void      gpm_inhibit_applet_class_init (GpmInhibitAppletClass *klass);
static void      gpm_inhibit_applet_init       (GpmInhibitApplet *applet);

G_DEFINE_TYPE (GpmInhibitApplet, gpm_inhibit_applet, PANEL_TYPE_APPLET)

static void	gpm_applet_get_icon		(GpmInhibitApplet *applet);
static void	gpm_applet_check_size		(GpmInhibitApplet *applet);
static gboolean	gpm_applet_draw_cb		(GpmInhibitApplet *applet);
static void	gpm_applet_update_tooltip	(GpmInhibitApplet *applet);
static gboolean	gpm_applet_click_cb		(GpmInhibitApplet *applet, GdkEventButton *event);
static void	gpm_applet_dialog_about_cb	(GtkAction *action, gpointer data);
static gboolean	gpm_applet_cb		        (MatePanelApplet *_applet, const gchar *iid, gpointer data);
static void	gpm_applet_destroy_cb		(GtkWidget *widget);

#define GPM_INHIBIT_APPLET_ID		        "InhibitApplet"
#define GPM_INHIBIT_APPLET_FACTORY_ID	        "InhibitAppletFactory"
#define GPM_INHIBIT_APPLET_ICON_INHIBIT		"gpm-inhibit"
#define GPM_INHIBIT_APPLET_ICON_INVALID		"gpm-inhibit-invalid"
#define GPM_INHIBIT_APPLET_ICON_UNINHIBIT	"gpm-hibernate"
#define GPM_INHIBIT_APPLET_NAME			_("Power Manager Inhibit Applet")
#define GPM_INHIBIT_APPLET_DESC			_("Allows user to inhibit automatic power saving.")
#define MATE_PANEL_APPLET_VERTICAL(p)					\
	 (((p) == MATE_PANEL_APPLET_ORIENT_LEFT) || ((p) == MATE_PANEL_APPLET_ORIENT_RIGHT))


/** cookie is returned as an unsigned integer */
static gboolean
gpm_applet_inhibit (GpmInhibitApplet *applet,
		    const gchar     *appname,
		    const gchar     *reason,
		    guint           *cookie)
{
	GError  *error = NULL;
	gboolean ret;

	g_return_val_if_fail (cookie != NULL, FALSE);

	if (applet->proxy == NULL) {
		egg_warning ("not connected\n");
		return FALSE;
	}

	ret = dbus_g_proxy_call (applet->proxy, "Inhibit", &error,
				 G_TYPE_STRING, appname,
				 G_TYPE_UINT, 0, /* xid */
				 G_TYPE_STRING, reason,
				 G_TYPE_UINT, 1+2+4+8, /* logoff, switch, suspend, and idle */
				 G_TYPE_INVALID,
				 G_TYPE_UINT, cookie,
				 G_TYPE_INVALID);
	if (error) {
		g_debug ("ERROR: %s", error->message);
		g_error_free (error);
		*cookie = 0;
	}
	if (!ret) {
		/* abort as the DBUS method failed */
		g_warning ("Inhibit failed!");
	}

	return ret;
}

static gboolean
gpm_applet_uninhibit (GpmInhibitApplet *applet,
		      guint            cookie)
{
	GError *error = NULL;
	gboolean ret;

	if (applet->proxy == NULL) {
		egg_warning ("not connected");
		return FALSE;
	}

	ret = dbus_g_proxy_call (applet->proxy, "Uninhibit", &error,
				 G_TYPE_UINT, cookie,
				 G_TYPE_INVALID,
				 G_TYPE_INVALID);
	if (error) {
		g_debug ("ERROR: %s", error->message);
		g_error_free (error);
	}
	if (!ret) {
		/* abort as the DBUS method failed */
		g_warning ("Uninhibit failed!");
	}

	return ret;
}
#if 0
static gboolean
gpm_applet_has_inhibit (GpmInhibitApplet *applet,
			gboolean        *has_inhibit)
{
	GError  *error = NULL;
	gboolean ret;
	DBusGProxy *proxy;

	proxy = egg_dbus_proxy_get_proxy (applet->gproxy);
	if (proxy == NULL) {
		g_warning ("not connected");
		return FALSE;
	}

	ret = dbus_g_proxy_call (proxy, "HasInhibit", &error,
				 G_TYPE_INVALID,
				 G_TYPE_BOOLEAN, has_inhibit,
				 G_TYPE_INVALID);
	if (error) {
		g_debug ("ERROR: %s", error->message);
		g_error_free (error);
	}
	if (!ret) {
		/* abort as the DBUS method failed */
		g_warning ("HasInhibit failed!");
	}

	return ret;
}
#endif

/**
 * gpm_applet_get_icon:
 * @applet: Inhibit applet instance
 *
 * retrieve an icon from stock with a size adapted to panel
 **/
static void
gpm_applet_get_icon (GpmInhibitApplet *applet)
{
	const gchar *icon;

	/* free */
	if (applet->icon != NULL) {
		g_object_unref (applet->icon);
		applet->icon = NULL;
	}

	if (applet->size <= 2) {
		return;
	}

	/* get icon */
	if (applet->proxy == NULL) {
		icon = GPM_INHIBIT_APPLET_ICON_INVALID;
	} else if (applet->cookie > 0) {
		icon = GPM_INHIBIT_APPLET_ICON_INHIBIT;
	} else {
		icon = GPM_INHIBIT_APPLET_ICON_UNINHIBIT;
	}
	applet->icon = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
						 icon,
						 applet->size - 2,
						 0,
						 NULL);

	/* update size cache */
	applet->icon_height = gdk_pixbuf_get_height (applet->icon);
	applet->icon_width = gdk_pixbuf_get_width (applet->icon);
}

/**
 * gpm_applet_check_size:
 * @applet: Inhibit applet instance
 *
 * check if panel size has changed and applet adapt size
 **/
static void
gpm_applet_check_size (GpmInhibitApplet *applet)
{
	GtkAllocation allocation;

	/* we don't use the size function here, but the yet allocated size because the
	   size value is false (kind of rounded) */
	gtk_widget_get_allocation (GTK_WIDGET (applet), &allocation);
	if (MATE_PANEL_APPLET_VERTICAL(mate_panel_applet_get_orient (MATE_PANEL_APPLET (applet)))) {
		if (applet->size != allocation.width) {
			applet->size = allocation.width;
			gpm_applet_get_icon (applet);
			gtk_widget_set_size_request (GTK_WIDGET(applet), applet->size, applet->icon_height + 2);
		}
		/* Adjusting incase the icon size has changed */
		if (allocation.height < applet->icon_height + 2) {
			gtk_widget_set_size_request (GTK_WIDGET(applet), applet->size, applet->icon_height + 2);
		}
	} else {
		if (applet->size != allocation.height) {
			applet->size = allocation.height;
			gpm_applet_get_icon (applet);
			gtk_widget_set_size_request (GTK_WIDGET(applet), applet->icon_width + 2, applet->size);
		}
		/* Adjusting incase the icon size has changed */
		if (allocation.width < applet->icon_width + 2) {
			gtk_widget_set_size_request (GTK_WIDGET(applet), applet->icon_width + 2, applet->size);
		}
	}
}

/**
 * gpm_applet_draw_cb:
 * @applet: Inhibit applet instance
 *
 * draws applet content (background + icon)
 **/
static gboolean
gpm_applet_draw_cb (GpmInhibitApplet *applet)
{
	gint w, h, bg_type;
#if GTK_CHECK_VERSION (3, 0, 0)
	GdkRGBA color;
	cairo_t *cr;
	cairo_pattern_t *pattern;
	GtkStyleContext *context;
#else
	GdkColor color;
	GdkGC *gc;
	GdkPixmap *background;
#endif
	GtkAllocation allocation;

	if (gtk_widget_get_window (GTK_WIDGET(applet)) == NULL) {
		return FALSE;
	}

#if !GTK_CHECK_VERSION (3, 0, 0)
	/* Clear the window so we can draw on it later */
	gdk_window_clear(gtk_widget_get_window (GTK_WIDGET (applet)));
#endif

	/* retrieve applet size */
	gpm_applet_get_icon (applet);
	gpm_applet_check_size (applet);
	if (applet->size <= 2) {
		return FALSE;
	}

	/* if no icon, then don't try to display */
	if (applet->icon == NULL) {
		return FALSE;
	}

	gtk_widget_get_allocation (GTK_WIDGET (applet), &allocation);
	w = allocation.width;
	h = allocation.height;

#if GTK_CHECK_VERSION (3, 0, 0)
	cr = gdk_cairo_create (gtk_widget_get_window (GTK_WIDGET(applet)));
#else
	gc = gdk_gc_new (gtk_widget_get_window (GTK_WIDGET(applet)));
#endif

	/* draw pixmap background */
#if GTK_CHECK_VERSION (3, 0, 0)
	bg_type = mate_panel_applet_get_background (MATE_PANEL_APPLET (applet), &color, &pattern);
#else
	bg_type = mate_panel_applet_get_background (MATE_PANEL_APPLET (applet), &color, &background);
#endif
	if (bg_type == PANEL_PIXMAP_BACKGROUND) {
		/* fill with given background pixmap */
#if GTK_CHECK_VERSION (3, 0, 0)
		cairo_set_source (cr, pattern);
		cairo_rectangle (cr, 0, 0, w, h);
		cairo_fill (cr);
#else
		gdk_draw_drawable (gtk_widget_get_window (GTK_WIDGET(applet)), gc, background, 0, 0, 0, 0, w, h);
#endif
	}
	
	/* draw color background */
	if (bg_type == PANEL_COLOR_BACKGROUND) {
#if GTK_CHECK_VERSION (3, 0, 0)
		gdk_cairo_set_source_rgba (cr, &color);
		cairo_rectangle (cr, 0, 0, w, h);
		cairo_fill (cr);
#else
		gdk_gc_set_rgb_fg_color (gc,&color);
		gdk_gc_set_fill (gc,GDK_SOLID);
		gdk_draw_rectangle (gtk_widget_get_window (GTK_WIDGET(applet)), gc, TRUE, 0, 0, w, h);
#endif
	}

	/* draw icon at center */
#if GTK_CHECK_VERSION (3, 0, 0)
	gdk_cairo_set_source_pixbuf (cr, applet->icon, (w - applet->icon_width)/2, (h - applet->icon_height)/2);
	cairo_paint (cr);
#else
	gdk_draw_pixbuf (gtk_widget_get_window (GTK_WIDGET(applet)), gc, applet->icon,
			 0, 0, (w - applet->icon_width)/2, (h - applet->icon_height)/2,
			 applet->icon_width, applet->icon_height,
			 GDK_RGB_DITHER_NONE, 0, 0);
#endif

#if GTK_CHECK_VERSION (3, 0, 0)
	cairo_destroy (cr);
#else
	g_object_unref (gc);
#endif

	return TRUE;
}

/**
 * gpm_applet_change_background_cb:
 *
 * Enqueues an expose event (don't know why it's not the default behaviour)
 **/
static void
gpm_applet_change_background_cb (GpmInhibitApplet *applet,
				 MatePanelAppletBackgroundType arg1,
#if GTK_CHECK_VERSION (3, 0, 0)
				 cairo_pattern_t *arg2,
#else
				 GdkColor *arg2, GdkPixmap *arg3,
#endif
				 gpointer data)
{
	gtk_widget_queue_draw (GTK_WIDGET (applet));
}

/**
 * gpm_applet_update_tooltip:
 * @applet: Inhibit applet instance
 *
 * sets tooltip's content (percentage or disabled)
 **/
static void
gpm_applet_update_tooltip (GpmInhibitApplet *applet)
{
	const gchar *buf;
	if (applet->proxy == NULL) {
		buf = _("Cannot connect to mate-power-manager");
	} else {
		if (applet->cookie > 0) {
			buf = _("Automatic sleep inhibited");
		} else {
			buf = _("Automatic sleep enabled");
		}
	}
	gtk_widget_set_tooltip_text (GTK_WIDGET(applet), buf);
}

/**
 * gpm_applet_click_cb:
 * @applet: Inhibit applet instance
 *
 * pops and unpops
 **/
static gboolean
gpm_applet_click_cb (GpmInhibitApplet *applet, GdkEventButton *event)
{
	/* react only to left mouse button */
	if (event->button != 1) {
		return FALSE;
	}

	if (applet->cookie > 0) {
		g_debug ("uninhibiting %u", applet->cookie);
		gpm_applet_uninhibit (applet, applet->cookie);
		applet->cookie = 0;
	} else {
		g_debug ("inhibiting");
		gpm_applet_inhibit (applet,
					  GPM_INHIBIT_APPLET_NAME,
					  _("Manual inhibit"),
					  &(applet->cookie));
	}
	/* update icon */
	gpm_applet_get_icon (applet);
	gpm_applet_check_size (applet);
	gpm_applet_update_tooltip (applet);
	gpm_applet_draw_cb (applet);

	return TRUE;
}

/**
 * gpm_applet_dialog_about_cb:
 *
 * displays about dialog
 **/
static void
gpm_applet_dialog_about_cb (GtkAction *action, gpointer data)
{
	MateAboutDialog *about;

	GdkPixbuf *logo =
		gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
					  GPM_INHIBIT_APPLET_ICON_INHIBIT,
					  128, 0, NULL);

	static const gchar *authors[] = {
		"Benjamin Canou <bookeldor@gmail.com>",
		"Richard Hughes <richard@hughsie.com>",
		NULL
	};
	const char *documenters [] = {
		NULL
	};
	const char *license[] = {
		 N_("Licensed under the GNU General Public License Version 2"),
		 N_("Power Manager is free software; you can redistribute it and/or\n"
		   "modify it under the terms of the GNU General Public License\n"
		   "as published by the Free Software Foundation; either version 2\n"
		   "of the License, or (at your option) any later version."),
		 N_("Power Manager is distributed in the hope that it will be useful,\n"
		   "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
		   "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
		   "GNU General Public License for more details."),
		 N_("You should have received a copy of the GNU General Public License\n"
		   "along with this program; if not, write to the Free Software\n"
		   "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA\n"
		   "02110-1301, USA.")
	};
	const char *translator_credits = NULL;
	char	   *license_trans;

	license_trans = g_strconcat (_(license[0]), "\n\n", _(license[1]), "\n\n",
				     _(license[2]), "\n\n", _(license[3]), "\n", NULL);

	about = (MateAboutDialog*) mate_about_dialog_new ();
	mate_about_dialog_set_program_name (about, GPM_INHIBIT_APPLET_NAME);
	mate_about_dialog_set_version (about, VERSION);
	mate_about_dialog_set_copyright (about, _("Copyright \xc2\xa9 2006-2007 Richard Hughes"));
	mate_about_dialog_set_comments (about, GPM_INHIBIT_APPLET_DESC);
	mate_about_dialog_set_authors (about, authors);
	mate_about_dialog_set_documenters (about, documenters);
	mate_about_dialog_set_translator_credits (about, translator_credits);
	mate_about_dialog_set_logo (about, logo);
	mate_about_dialog_set_license (about, license_trans);
	mate_about_dialog_set_website (about, "http://www.mate-desktop.org/");

	g_signal_connect (G_OBJECT(about), "response",
			  G_CALLBACK(gtk_widget_destroy), NULL);

	gtk_widget_show (GTK_WIDGET(about));

	g_free (license_trans);
	g_object_unref (logo);
}

/**
 * gpm_applet_help_cb:
 *
 * open gpm help
 **/
static void
gpm_applet_help_cb (GtkAction *action, gpointer data)
{
	gpm_help_display ("applets-general#applets-inhibit");
}

/**
 * gpm_applet_destroy_cb:
 * @widget: Class instance to destroy
 **/
static void
gpm_applet_destroy_cb (GtkWidget *widget)
{
	GpmInhibitApplet *applet = GPM_INHIBIT_APPLET(widget);

	if (applet->monitor != NULL) {
		g_object_unref (applet->monitor);
	}
	if (applet->icon != NULL) {
		g_object_unref (applet->icon);
	}
}

/**
 * gpm_inhibit_applet_class_init:
 * @klass: Class instance
 **/
static void
gpm_inhibit_applet_class_init (GpmInhibitAppletClass *class)
{
	/* nothing to do here */
}


/**
 * gpm_inhibit_applet_dbus_connect:
 **/
gboolean
gpm_inhibit_applet_dbus_connect (GpmInhibitApplet *applet)
{
	GError *error = NULL;

	if (applet->connection == NULL) {
		egg_debug ("get connection\n");
		g_clear_error (&error);
		applet->connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
		if (error != NULL) {
			egg_warning ("Could not connect to DBUS daemon: %s", error->message);
			g_error_free (error);
			applet->connection = NULL;
			return FALSE;
		}
	}
	if (applet->proxy == NULL) {
		egg_debug ("get proxy\n");
		g_clear_error (&error);
		applet->proxy = dbus_g_proxy_new_for_name_owner (applet->connection,
							 GS_DBUS_SERVICE,
							 GS_DBUS_PATH,
							 GS_DBUS_INTERFACE,
							 &error);
		if (error != NULL) {
			egg_warning ("Cannot connect, maybe the daemon is not running: %s\n", error->message);
			g_error_free (error);
			applet->proxy = NULL;
			return FALSE;
		}
	}
	return TRUE;
}

/**
 * gpm_inhibit_applet_dbus_disconnect:
 **/
gboolean
gpm_inhibit_applet_dbus_disconnect (GpmInhibitApplet *applet)
{
	if (applet->proxy != NULL) {
		egg_debug ("removing proxy\n");
		g_object_unref (applet->proxy);
		applet->proxy = NULL;
		/* we have no inhibit, these are not persistant across reboots */
		applet->cookie = 0;
	}
	return TRUE;
}

/**
 * monitor_connection_cb:
 * @proxy: The dbus raw proxy
 * @status: The status of the service, where TRUE is connected
 * @screensaver: This class instance
 **/
static void
monitor_connection_cb (EggDbusMonitor           *monitor,
		     gboolean	          status,
		     GpmInhibitApplet *applet)
{
	if (status) {
		gpm_inhibit_applet_dbus_connect (applet);
		gpm_applet_update_tooltip (applet);
		gpm_applet_get_icon (applet);
		gpm_applet_draw_cb (applet);
	} else {
		gpm_inhibit_applet_dbus_disconnect (applet);
		gpm_applet_update_tooltip (applet);
		gpm_applet_get_icon (applet);
		gpm_applet_draw_cb (applet);
	}
}

/**
 * gpm_inhibit_applet_init:
 * @applet: Inhibit applet instance
 **/
static void
gpm_inhibit_applet_init (GpmInhibitApplet *applet)
{
	DBusGConnection *connection;

	/* initialize fields */
	applet->size = 0;
	applet->icon = NULL;
	applet->cookie = 0;
	applet->connection = NULL;
	applet->proxy = NULL;

	/* Add application specific icons to search path */
	gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
                                           GPM_DATA G_DIR_SEPARATOR_S "icons");

	applet->monitor = egg_dbus_monitor_new ();
	g_signal_connect (applet->monitor, "connection-changed",
			  G_CALLBACK (monitor_connection_cb), applet);
	connection = dbus_g_bus_get (DBUS_BUS_SESSION, NULL);
	egg_dbus_monitor_assign (applet->monitor, connection, GS_DBUS_SERVICE);
	gpm_inhibit_applet_dbus_connect (applet);

	/* prepare */
	mate_panel_applet_set_flags (MATE_PANEL_APPLET (applet), MATE_PANEL_APPLET_EXPAND_MINOR);

	/* show */
	gtk_widget_show_all (GTK_WIDGET(applet));

	/* set appropriate size and load icon accordingly */
	gpm_applet_draw_cb (applet);

	/* connect */
	g_signal_connect (G_OBJECT(applet), "button-press-event",
			  G_CALLBACK(gpm_applet_click_cb), NULL);

#if GTK_CHECK_VERSION (3, 0, 0)
	g_signal_connect (G_OBJECT(applet), "draw",
			  G_CALLBACK(gpm_applet_draw_cb), NULL);
#else
	g_signal_connect (G_OBJECT(applet), "expose-event",
			  G_CALLBACK(gpm_applet_draw_cb), NULL);
#endif

	/* We use g_signal_connect_after because letting the panel draw
	 * the background is the only way to have the correct
	 * background when a theme defines a background picture. */
	g_signal_connect_after (G_OBJECT(applet), "expose-event",
				G_CALLBACK(gpm_applet_draw_cb), NULL);

	g_signal_connect (G_OBJECT(applet), "change-background",
			  G_CALLBACK(gpm_applet_change_background_cb), NULL);

	g_signal_connect (G_OBJECT(applet), "change-orient",
			  G_CALLBACK(gpm_applet_draw_cb), NULL);

	g_signal_connect (G_OBJECT(applet), "destroy",
			  G_CALLBACK(gpm_applet_destroy_cb), NULL);
}

/**
 * gpm_applet_cb:
 * @_applet: GpmInhibitApplet instance created by the applet factory
 * @iid: Applet id
 *
 * the function called by libmate-panel-applet factory after creation
 **/
static gboolean
gpm_applet_cb (MatePanelApplet *_applet, const gchar *iid, gpointer data)
{
	GpmInhibitApplet *applet = GPM_INHIBIT_APPLET(_applet);
	GtkActionGroup *action_group;
	gchar *ui_path;

	static const GtkActionEntry menu_actions [] = {
		{ "About", GTK_STOCK_ABOUT, N_("_About"),
		  NULL, NULL,
		  G_CALLBACK (gpm_applet_dialog_about_cb) },
		{ "Help", GTK_STOCK_HELP, N_("_Help"),
		  NULL, NULL,
		  G_CALLBACK (gpm_applet_help_cb) }
	};

	if (strcmp (iid, GPM_INHIBIT_APPLET_ID) != 0) {
		return FALSE;
	}

	action_group = gtk_action_group_new ("Inhibit Applet Actions");
	gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
	gtk_action_group_add_actions (action_group,
				      menu_actions,
				      G_N_ELEMENTS (menu_actions),
				      applet);
	ui_path = g_build_filename (INHIBIT_MENU_UI_DIR, "inhibit-applet-menu.xml", NULL);
	mate_panel_applet_setup_menu_from_file (MATE_PANEL_APPLET (applet), ui_path, action_group);
	g_free (ui_path);
	g_object_unref (action_group);

	gpm_applet_draw_cb (applet);
	return TRUE;
}

/**
 * this generates a main with a applet factory
 **/
MATE_PANEL_APPLET_OUT_PROCESS_FACTORY
 (/* the factory iid */
 GPM_INHIBIT_APPLET_FACTORY_ID,
 /* generates brighness applets instead of regular mate applets  */
 GPM_TYPE_INHIBIT_APPLET,
 /* the applet name */
 "InhibitApplet",
 /* our callback (with no user data) */
 gpm_applet_cb, NULL)