nautilus-application.c 23 KB
Newer Older
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
1
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
2 3 4 5 6 7 8

/*
 *  Nautilus
 *
 *  Copyright (C) 1999, 2000 Red Hat, Inc.
 *  Copyright (C) 2000 Eazel, Inc.
 *
9
 *  Nautilus is free software; you can redistribute it and/or
10 11 12 13
 *  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.
 *
14
 *  Nautilus is distributed in the hope that it will be useful,
15 16 17 18 19
 *  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
20
 *  along with this program; if not, write to the Free Software
21 22 23 24 25 26
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  Author: Elliot Lee <sopwith@redhat.com>,
 *
 */

27
#include <config.h>
28
#include "nautilus-application.h"
29

30
#include "file-manager/fm-desktop-icon-view.h"
31
#include "file-manager/fm-icon-view.h"
32
#include "file-manager/fm-list-view.h"
33
#include "file-manager/fm-search-list-view.h"
34 35
#include "nautilus-desktop-window.h"
#include "nautilus-first-time-druid.h"
36
#include "nautilus-main.h"
37 38
#include "nautilus-shell-interface.h"
#include "nautilus-shell.h"
39
#include "nautilus-window-private.h"
40 41 42
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-object.h>
#include <gtk/gtksignal.h>
43 44 45 46
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-util.h>
#include <libgnomeui/gnome-messagebox.h>
#include <libgnomeui/gnome-stock.h>
47
#include <libgnomevfs/gnome-vfs-uri.h>
48
#include <libnautilus-extensions/nautilus-file-utilities.h>
49
#include <libnautilus-extensions/nautilus-global-preferences.h>
50
#include <libnautilus-extensions/nautilus-gtk-macros.h>
51
#include <libnautilus-extensions/nautilus-icon-factory.h>
52
#include <libnautilus-extensions/nautilus-sound.h>
53
#include <libnautilus-extensions/nautilus-stock-dialogs.h>
54
#include <libnautilus-extensions/nautilus-string-list.h>
55
#include <libnautilus-extensions/nautilus-undo-manager.h>
56
#include <libnautilus-extensions/nautilus-volume-monitor.h>
57
#include <liboaf/liboaf.h>
58

59 60 61
#define FACTORY_IID	"OAFIID:nautilus_factory:bd1e1862-92d7-4391-963e-37583f0daef3"
#define ICON_VIEW_IID	"OAFIID:nautilus_file_manager_icon_view:42681b21-d5ca-4837-87d2-394d88ecc058"
#define LIST_VIEW_IID	"OAFIID:nautilus_file_manager_list_view:521e489d-0662-4ad7-ac3a-832deabe111c"
62
#define SEARCH_LIST_VIEW_IID "OAFIID:nautilus_file_manager_search_list_view:b186e381-198e-43cf-9c46-60b6bb35db0b"
63
#define SHELL_IID	"OAFIID:nautilus_shell:cd5183b2-3913-4b74-9b8e-10528b0de08d"
64

65 66 67 68 69
static CORBA_boolean manufactures                                (PortableServer_Servant    servant,
								  const CORBA_char         *iid,
								  CORBA_Environment        *ev);
static CORBA_Object  create_object                               (PortableServer_Servant    servant,
								  const CORBA_char         *iid,
Maciej Stachowiak's avatar
Maciej Stachowiak committed
70
								  const GNOME_stringlist  *params,
71 72 73 74
								  CORBA_Environment        *ev);
static void          nautilus_application_initialize             (NautilusApplication      *application);
static void          nautilus_application_initialize_class       (NautilusApplicationClass *klass);
static void          nautilus_application_destroy                (GtkObject                *object);
75
static gboolean	     check_for_and_run_as_super_user 		 (void);
Ramiro Estrugo's avatar
Ramiro Estrugo committed
76
static gboolean	     need_to_show_first_time_druid		 (void);
77
static void	     desktop_changed_callback 		         (gpointer 		   user_data);
78 79 80 81 82 83 84
static void	     volume_mounted_callback 			 (NautilusVolumeMonitor    *monitor,
								  NautilusVolume 	   *volume,
			  	 				  NautilusApplication 	   *application);
static void	     volume_unmounted_callback 			 (NautilusVolumeMonitor    *monitor,
								  NautilusVolume 	   *volume,
			  	 				  NautilusApplication 	   *application);

85 86 87

NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusApplication, nautilus_application, BONOBO_OBJECT_TYPE)

88
static POA_GNOME_ObjectFactory__epv factory_epv = {
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
89
	NULL,
90 91 92 93
	&manufactures,
	&create_object
};
static PortableServer_ServantBase__epv base_epv;
94
static POA_GNOME_ObjectFactory__vepv vepv = {
95 96
	&base_epv,
	&factory_epv
97 98 99
};

static CORBA_boolean
100 101 102
manufactures (PortableServer_Servant servant,
	      const CORBA_char *iid,
	      CORBA_Environment *ev)
103
{
104
	return strcmp (iid, ICON_VIEW_IID) == 0
105
		|| strcmp (iid, NAUTILUS_DESKTOP_ICON_VIEW_IID) == 0
106
		|| strcmp (iid, LIST_VIEW_IID) == 0
107
		|| strcmp (iid, SEARCH_LIST_VIEW_IID) == 0
108
		|| strcmp (iid, SHELL_IID) == 0;
109 110 111
}

static CORBA_Object
112 113
create_object (PortableServer_Servant servant,
	       const CORBA_char *iid,
Maciej Stachowiak's avatar
Maciej Stachowiak committed
114
	       const GNOME_stringlist *params,
115
	       CORBA_Environment *ev)
116
{
117
	BonoboObject *object;
118
	FMDirectoryView *directory_view;
119
	NautilusApplication *application;
120

121
	if (strcmp (iid, ICON_VIEW_IID) == 0) {
122
		directory_view = FM_DIRECTORY_VIEW (gtk_object_new (fm_icon_view_get_type (), NULL));
123
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
124 125 126
	} else if (strcmp (iid, NAUTILUS_DESKTOP_ICON_VIEW_IID) == 0) {
		directory_view = FM_DIRECTORY_VIEW (gtk_object_new (fm_desktop_icon_view_get_type (), NULL));
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
127
	} else if (strcmp (iid, LIST_VIEW_IID) == 0) {
128
		directory_view = FM_DIRECTORY_VIEW (gtk_object_new (fm_list_view_get_type (), NULL));
129
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
130 131 132
	} else if (strcmp (iid, SEARCH_LIST_VIEW_IID) == 0) {
		directory_view = FM_DIRECTORY_VIEW (gtk_object_new (fm_search_list_view_get_type (), NULL));
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
133
	} else if (strcmp (iid, SHELL_IID) == 0) {
134 135
		application = NAUTILUS_APPLICATION (((BonoboObjectServant *) servant)->bonobo_object);
		object = BONOBO_OBJECT (nautilus_shell_new (application));
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
136
	} else {
137
		return CORBA_OBJECT_NIL;
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
138
	}
139 140

	return CORBA_Object_duplicate (bonobo_object_corba_objref (object), ev);
141 142
}

143
static CORBA_Object
144 145 146
create_factory (PortableServer_POA poa,
		NautilusApplication *bonobo_object,
		CORBA_Environment *ev)
147
{
148
	BonoboObjectServant *servant;
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
149

150
	servant = g_new0 (BonoboObjectServant, 1);
151 152
	((POA_GNOME_ObjectFactory *) servant)->vepv = &vepv;
	POA_GNOME_ObjectFactory__init ((PortableServer_Servant) servant, ev);
153
	return bonobo_object_activate_servant (BONOBO_OBJECT (bonobo_object), servant);
154 155
}

156
/* Keeps track of the one and only desktop window. */
157
static NautilusDesktopWindow *nautilus_application_desktop_window;
158 159 160 161 162 163 164 165 166

/* Keeps track of all the nautilus windows. */
static GSList *nautilus_application_window_list;

GSList *nautilus_application_windows (void)
{
	return nautilus_application_window_list;
}

167
static void
168
nautilus_application_initialize_class (NautilusApplicationClass *klass)
169
{
170
	GTK_OBJECT_CLASS (klass)->destroy = nautilus_application_destroy;
171 172 173
}

static void
174
nautilus_application_initialize (NautilusApplication *application)
175
{
176
	CORBA_Environment ev;
177
	CORBA_Object corba_object;
178

179
	CORBA_exception_init (&ev);
180
	corba_object = create_factory (bonobo_poa (), application, &ev);
181 182 183 184
	if (ev._major != CORBA_NO_EXCEPTION) {
		g_error ("could not create factory");
	}
	CORBA_exception_free (&ev);
185
	
186
	bonobo_object_construct (BONOBO_OBJECT (application), corba_object);
187
	
188 189
	/* Create an undo manager */
	application->undo_manager = nautilus_undo_manager_new ();
190

191 192 193 194 195 196 197 198 199 200 201
	/* Watch for volume mounts so we can restore open windows */
	gtk_signal_connect (GTK_OBJECT (nautilus_volume_monitor_get ()),
			    "volume_mounted",
			    volume_mounted_callback,
			    application);

	/* Watch for volume unmounts so we can close open windows */
	gtk_signal_connect (GTK_OBJECT (nautilus_volume_monitor_get ()),
			    "volume_unmounted",
			    volume_unmounted_callback,
			    application);
202 203
}

204 205
NautilusApplication *
nautilus_application_new (void)
206
{
207
	return NAUTILUS_APPLICATION (gtk_object_new (nautilus_application_get_type (), NULL));
208 209 210
}

static void
211
nautilus_application_destroy (GtkObject *object)
212
{
213 214 215 216
	NautilusApplication *application;

	application = NAUTILUS_APPLICATION (object);

217
	nautilus_bookmarks_exiting ();
218
	
219 220
	bonobo_object_unref (BONOBO_OBJECT (application->undo_manager));

221 222
	NAUTILUS_CALL_PARENT_CLASS (GTK_OBJECT_CLASS, destroy, (object));
}
223

224 225
static gboolean
check_required_directories (NautilusApplication *application)
226
{
227 228 229
	char			*user_directory;
	char			*user_main_directory;
	char			*desktop_directory;
230
	NautilusStringList	*dir_list;
231 232 233 234 235
	char 			*dir_list_concatenated;
	char 			*error_string;
	char 			*dialog_title;
	GnomeDialog 		*dialog;
	int			 failed_count;
236
	
237
	g_assert (NAUTILUS_IS_APPLICATION (application));
238 239 240 241 242

	user_directory = nautilus_get_user_directory ();
	user_main_directory = nautilus_get_user_main_directory ();
	desktop_directory = nautilus_get_desktop_directory ();

243
	dir_list = nautilus_string_list_new (TRUE);
244 245
	
	if (!g_file_test (user_directory, G_FILE_TEST_ISDIR)) {
246
		nautilus_string_list_insert (dir_list, user_directory);
247
	}
248
	g_free (user_directory);
249 250
	    
	if (!g_file_test (user_main_directory, G_FILE_TEST_ISDIR)) {
251
		nautilus_string_list_insert (dir_list, user_main_directory);
252
	}
253
	g_free (user_main_directory);
254 255
	    
	if (!g_file_test (desktop_directory, G_FILE_TEST_ISDIR)) {
256
		nautilus_string_list_insert (dir_list, desktop_directory);
257
	}
258
	g_free (desktop_directory);
259

260
	failed_count = nautilus_string_list_get_length (dir_list);
261

262
	if (failed_count != 0) {
263 264
		dir_list_concatenated = nautilus_string_list_as_concatenated_string (dir_list, "\n");

265 266 267 268 269 270 271 272 273 274 275 276 277
		if (failed_count == 1) {
			dialog_title = g_strdup (_("Couldn't Create Required Folder"));
			error_string = g_strdup_printf ("Nautilus could not create the required folder \"%s\". "
							"Before running Nautilus, please create this folder, or "
							"set permissions such that Nautilus can create it.", dir_list_concatenated);
		} else {
			dialog_title = g_strdup (_("Couldn't Create Required Folders"));
			error_string = g_strdup_printf ("Nautilus could not create the following required folders:\n\n"
							"%s\n\n"
							"Before running Nautilus, please create these folders, or "
							"set permissions such that Nautilus can create them.", dir_list_concatenated);
		}
		
278
		dialog = nautilus_show_error_dialog (error_string, dialog_title, NULL);
279 280
		/* We need the main event loop so the user has a chance to see the dialog. */
		nautilus_main_event_loop_register (GTK_OBJECT (dialog));
281 282 283

		g_free (dir_list_concatenated);
		g_free (error_string);
284
		g_free (dialog_title);
285 286 287
	}

	nautilus_string_list_free (dir_list);
288 289

	return failed_count == 0;
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
static int
nautilus_strv_length (const char * const *strv)
{
	const char * const *p;

	for (p = strv; *p != NULL; p++) { }
	return p - strv;
}

static Nautilus_URIList *
nautilus_make_uri_list_from_strv (const char * const *strv)
{
	int length, i;
	Nautilus_URIList *uri_list;

	length = nautilus_strv_length (strv);

	uri_list = Nautilus_URIList__alloc ();
	uri_list->_maximum = length;
	uri_list->_length = length;
	uri_list->_buffer = CORBA_sequence_Nautilus_URI_allocbuf (length);
	for (i = 0; i < length; i++) {
		uri_list->_buffer[i] = CORBA_string_dup (strv[i]);
	}
	CORBA_sequence_set_release (uri_list, CORBA_TRUE);

	return uri_list;
}

321
void
322
nautilus_application_startup (NautilusApplication *application,
323
			      gboolean kill_shell,
324
			      gboolean restart_shell,
325
			      gboolean start_desktop,
326
			      gboolean no_default_window,
327
			      gboolean do_first_time_druid_check,
328
			      const char *geometry,
329
			      const char *urls[])
330
{
331 332
	CORBA_Environment ev;
	Nautilus_Shell shell;
333 334 335
	OAF_RegistrationResult result;
	const char *message, *detailed_message;
	GnomeDialog *dialog;
336
	Nautilus_URIList *url_list;
337
	const CORBA_char *corba_geometry;
338

339 340
	/* Perform check for nautilus being run as super user */
	if (!check_for_and_run_as_super_user ()) {
341
		return;
342
	}
Ramiro Estrugo's avatar
Ramiro Estrugo committed
343 344

	/* Run the first time startup druid if needed. */
345
	if (do_first_time_druid_check && need_to_show_first_time_druid ()) {
346
		nautilus_first_time_druid_show (application, start_desktop, urls);
347
		return;
348
	}
Ramiro Estrugo's avatar
Ramiro Estrugo committed
349
	
350
	/* Check the user's ~/.nautilus directories and post warnings
351
	 * if there are problems.
352
	 */
353 354 355
	if (!check_required_directories (application)) {
		return;
	}
356

357 358 359
	/* initialize the sound machinery */
	nautilus_sound_initialize ();
	
360 361
	CORBA_exception_init (&ev);

362 363 364 365 366 367 368 369 370
	/* Start up the factory. */
	for (;;) {
		/* Try to register the file manager view factory with OAF. */
		result = oaf_active_server_register
			(FACTORY_IID,
			 bonobo_object_corba_objref (BONOBO_OBJECT (application)));
		switch (result) {
		case OAF_REG_SUCCESS:
			/* We are registered with OAF and all is right with the world. */
371 372
		case OAF_REG_ALREADY_ACTIVE:
			/* Another copy of . */
373
			message = NULL;
374
			detailed_message = NULL;
375 376 377
			break;
		case OAF_REG_NOT_LISTED:
			/* Can't register myself due to trouble locating the
378
			 * Nautilus_Shell.oaf file. This has happened when you
379 380 381
			 * launch Nautilus with an LD_LIBRARY_PATH that
			 * doesn't include the directory containg the oaf
			 * library. It could also happen if the
382
			 * Nautilus_Shell.oaf file was not present for some
383 384 385 386 387 388 389
			 * reason. Sometimes killing oafd and gconfd fixes
			 * this problem but we don't exactly understand why,
			 * since neither of the above causes explain it.
			 */
			message = _("Nautilus can't be used now. "
				    "Rebooting the computer or installing "
				    "Nautilus again may fix the problem.");
390
			/* FIXME bugzilla.eazel.com 2536: The guesses and stuff here are lame. */
391 392
			detailed_message = _("Nautilus can't be used now. "
					     "Rebooting the computer or installing "
393
					     "Nautilus again may fix the problem.\n\n"
394
					     "OAF couldn't locate the Nautilus_Shell.oaf file. "
395 396 397
					     "One cause of this seems to be an LD_LIBRARY_PATH "
					     "that does not include the oaf library's directory. "
					     "Another possible cause would be bad install "
398
					     "with a missing Nautilus_Shell.oaf file.\n\n"
399
					     "Sometimes killing oafd and gconfd fixes "
400
					     "the problem, but we don't know why.\n\n"
401 402 403 404 405 406 407 408 409 410
					     "We need a much less confusing message here for Nautilus 1.0.");
			break;
		default:
			/* This should never happen. */
			g_warning ("bad error code from oaf_active_server_register");
		case OAF_REG_ERROR:
			/* Some misc. error (can never happen with current
			 * version of OAF). Show dialog and terminate the
			 * program.
			 */
411
			/* FIXME bugzilla.eazel.com 2537: Looks like this does happen with the
412 413 414 415
			 * current OAF. I guess I read the code
			 * wrong. Need to figure out when and make a
			 * good message.
			 */
416 417 418 419 420
			message = _("Nautilus can't be used now, due to an unexpected error.");
			detailed_message = _("Nautilus can't be used now, due to an unexpected error "
					     "from OAF when attempting to register the file manager view server.");
			break;
		}
421 422 423 424 425 426 427 428 429 430 431 432

		/* Get the shell object. */
		if (message == NULL) {
			shell = oaf_activate_from_id (SHELL_IID, 0, NULL, NULL);
			if (!CORBA_Object_is_nil (shell, &ev)) {
				break;
			}

			/* If we couldn't find ourselves it's a bad problem so
			 * we better stop looping.
			 */
			if (result == OAF_REG_SUCCESS) {
433
				/* FIXME bugzilla.eazel.com 2538: When can this happen? */
434 435 436 437 438 439
				message = _("Nautilus can't be used now, due to an unexpected error.");
				detailed_message = _("Nautilus can't be used now, due to an unexpected error "
						     "from OAF when attempting to locate the factory.");
			}
		}

440
		if (message != NULL) {
441
			dialog = nautilus_show_error_dialog_with_details (message, NULL, detailed_message, NULL);
442 443
			/* We need the main event loop so the user has a chance to see the dialog. */
			nautilus_main_event_loop_register (GTK_OBJECT (dialog));
444
			goto out;
445 446 447
		}
	}

448 449
	if (kill_shell) {
		Nautilus_Shell_quit (shell, &ev);
450 451
	} else if (restart_shell) {
		Nautilus_Shell_restart (shell, &ev);
452 453 454 455
	} else {
		if (start_desktop) {
			Nautilus_Shell_start_desktop (shell, &ev);
		}
456 457 458 459 460 461
		
		/* Monitor the preference to show or hide the desktop */
		nautilus_preferences_add_callback_while_alive (NAUTILUS_PREFERENCES_SHOW_DESKTOP,
							       desktop_changed_callback,
							       application,
							       GTK_OBJECT (application));
462

463 464 465 466
		/* CORBA C mapping doesn't allow NULL to be passed
		   for string parameters */
		corba_geometry = (geometry != NULL) ? geometry : "";

467 468 469
	  	/* Create the other windows. */
		if (urls != NULL) {
			url_list = nautilus_make_uri_list_from_strv (urls);
470
			Nautilus_Shell_open_windows (shell, url_list, corba_geometry, &ev);
471
			CORBA_free (url_list);
472
		} else if (!no_default_window) {
473
			Nautilus_Shell_open_default_window (shell, corba_geometry, &ev);
474
		}
475
	}
476

477
	/* We're done with the shell now, so let it go. */
478 479 480 481 482 483 484 485
	/* HACK: Don't bother releasing the shell in the case where we
	 * just told it to quit -- that just leads to hangs and does
	 * no good. We could probably fix this in some fancier way if
	 * we could figure out a better lifetime rule.
	 */
	if (!kill_shell) {
		bonobo_object_release_unref (shell, &ev);
	}
486

487
 out:
488
	CORBA_exception_free (&ev);
489 490 491
}

static void
492 493
nautilus_application_create_desktop_window (NautilusApplication *application)
{
494 495
	g_return_if_fail (nautilus_application_desktop_window == NULL);
	g_return_if_fail (NAUTILUS_IS_APPLICATION (application));
496

497 498
	nautilus_application_desktop_window = nautilus_desktop_window_new (application);
	gtk_widget_show (GTK_WIDGET (nautilus_application_desktop_window));
499 500 501 502
}

void
nautilus_application_open_desktop (NautilusApplication *application)
503
{
504 505
	if (nautilus_application_desktop_window == NULL) {
		nautilus_application_create_desktop_window (application);
506 507 508 509 510 511
	}
}

void
nautilus_application_close_desktop (void)
{
512
	if (nautilus_application_desktop_window != NULL) {
513
		gtk_widget_destroy (GTK_WIDGET (nautilus_application_desktop_window));
514
		nautilus_application_desktop_window = NULL;
515
	}	
516 517
}

518 519 520
void
nautilus_application_close_all_windows (void)
{
521
	while (nautilus_application_window_list != NULL) {
522 523 524 525
		nautilus_window_close (NAUTILUS_WINDOW (nautilus_application_window_list->data));
	}
}

526
static void
527
nautilus_application_destroyed_window (GtkObject *object, NautilusApplication *application)
528
{
529
	nautilus_application_window_list = g_slist_remove (nautilus_application_window_list, object);
530 531
}

532 533 534 535 536 537 538 539 540 541 542 543 544
static gboolean
nautilus_window_delete_event_callback (GtkWidget *widget,
				       GdkEvent *event,
				       gpointer user_data)
{
	NautilusWindow *window;

	window = NAUTILUS_WINDOW (widget);
	nautilus_window_close (window);

	return TRUE;
}				       

545
NautilusWindow *
546
nautilus_application_create_window (NautilusApplication *application)
547
{
548
	NautilusWindow *window;
549 550

	g_return_val_if_fail (NAUTILUS_IS_APPLICATION (application), NULL);
551
	
552
	window = NAUTILUS_WINDOW (gtk_widget_new (nautilus_window_get_type (),
553
						  "app", GTK_OBJECT (application),
554
						  "app_id", "nautilus", NULL));
555
	
556 557 558 559
	gtk_signal_connect (GTK_OBJECT (window), 
			    "delete_event", GTK_SIGNAL_FUNC (nautilus_window_delete_event_callback),
                    	    NULL);

560
	gtk_signal_connect (GTK_OBJECT (window),
561
			    "destroy", nautilus_application_destroyed_window,
562 563
			    application);

564
	nautilus_application_window_list = g_slist_prepend (nautilus_application_window_list, window);
565

Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
566
	/* Do not yet show the window. It will be shown later on if it can
567 568 569
	 * successfully display its initial URI. Otherwise it will be destroyed
	 * without ever having seen the light of day.
	 */
570

571
	return window;
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

/*
 * check_for_super_user:
 *
 * Puts out a warning if the user is running nautilus as root.
 */
static gboolean
check_for_and_run_as_super_user (void)
{
	GtkWidget *warning_dlg;
	gint result;
	if (geteuid () != 0) {
		return TRUE;
	}

	warning_dlg = gnome_message_box_new (
		_("You are running Nautilus as root.\n\n"
		  "As root, you can damage your system if you are not careful, and\n"
		  "Nautilus will not stop you from doing it."),
		GNOME_MESSAGE_BOX_WARNING,
		GNOME_STOCK_BUTTON_OK, GNOME_STOCK_BUTTON_CANCEL, NULL);

	result = gnome_dialog_run_and_close (GNOME_DIALOG (warning_dlg));

	/* If they pressed cancel, quit the application */
	if (result == 1) {
		return FALSE;
	}

	return TRUE;
}
Ramiro Estrugo's avatar
Ramiro Estrugo committed
604

605 606 607 608 609 610 611
/* callback for showing or hiding the desktop based on the user's preference */
static void
desktop_changed_callback (gpointer user_data)
{
	NautilusApplication *application;
	
	application = NAUTILUS_APPLICATION (user_data);
612
	if ( nautilus_preferences_get_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP)) {
613 614 615 616 617 618
		nautilus_application_open_desktop (application);
	} else {
		nautilus_application_close_desktop ();
	}
}

Ramiro Estrugo's avatar
Ramiro Estrugo committed
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
/*
 * need_to_show_first_time_druid
 *
 * Determine whether Nautilus needs to show the first time druid.
 * 
 * Note that the flag file indicating whether the druid has been
 * presented is: ~/.nautilus/first-time-wizard.
 *
 * Another alternative could be to use preferences to store this flag
 * However, there because of bug 1229 this is not yet possible.
 *
 * Also, for debugging purposes, it is convenient to have just one file
 * to kill in order to test the startup wizard:
 *
 * rm -f ~/.nautilus/first-time-wizard
 *
 * In order to accomplish the same thing with preferences, you would have
 * to either kill ALL your preferences or spend time digging in ~/.gconf
 * xml files finding the right one.
 */
static gboolean
need_to_show_first_time_druid (void)
{
	gboolean result;
	char *user_directory;
	char *druid_flag_file_name;

	user_directory = nautilus_get_user_directory ();

	druid_flag_file_name = g_strdup_printf ("%s/%s",
						user_directory,
						"first-time-wizard-flag");
	g_free (user_directory);

653
	result = !g_file_exists (druid_flag_file_name);	
Ramiro Estrugo's avatar
Ramiro Estrugo committed
654 655 656 657
	g_free (druid_flag_file_name);

	return result;
}
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

/* Called whenever a volume is mounted.s
 * It would also be cool to restore open windows and
 * position info saved when the volume was unmounted.
 */
static void
volume_mounted_callback (NautilusVolumeMonitor *monitor, NautilusVolume *volume,
			 NautilusApplication *application)
{
}

/* Called whenever a volume is unmounted. Check and see if there are any windows open
 * displaying contents on the volume. If there are, close them.
 * It would also be cool to save open window and position info.
 */
static void
volume_unmounted_callback (NautilusVolumeMonitor *monitor, NautilusVolume *volume,
			   NautilusApplication *application)
{
	GSList *windows, *index, *close_list;
	NautilusWindow *window;
	char *text_uri;
	const char *path;
	GnomeVFSURI *uri;
		
	close_list = NULL;
	
	/* Check and see if any of the open windows are displaying contents from the unmounted volume */
	windows = nautilus_application_windows ();
	
	/* Construct a list of windows to be closed */
	for (index = windows; index != NULL; index = index->next) {
		window = (NautilusWindow *)index->data;
		if (window != NULL) {
			text_uri = nautilus_file_get_uri (window->details->viewed_file);
			uri = gnome_vfs_uri_new (text_uri);
			g_free (text_uri);
			
			if (uri != NULL) {
				path = gnome_vfs_uri_get_path (uri);				
				if (strlen (path) >= strlen (volume->mount_path)) {
					if (strncmp (path, volume->mount_path, strlen (volume->mount_path)) == 0) {
						close_list = g_slist_prepend (close_list, window);
					}				
				}
				gnome_vfs_uri_unref (uri);
			}
		}
	}
	
	/* Now close all windows in the close list */
	for (index = close_list; index != NULL; index = index->next) {
		nautilus_window_close (NAUTILUS_WINDOW (index->data));
	}
	
	g_slist_free (close_list);
}