nautilus-application.c 23.6 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

/*
 *  Nautilus
 *
 *  Copyright (C) 1999, 2000 Red Hat, Inc.
7
 *  Copyright (C) 2000, 2001 Eazel, Inc.
8
 *
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
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
23 24
 *  Authors: Elliot Lee <sopwith@redhat.com>,
 *           Darin Adler <darin@eazel.com>
25 26 27
 *
 */

28
#include <config.h>
29
#include "nautilus-application.h"
30

31
#include "file-manager/fm-desktop-icon-view.h"
32
#include "file-manager/fm-icon-view.h"
33
#include "file-manager/fm-list-view.h"
34
#include "file-manager/fm-search-list-view.h"
35 36
#include "nautilus-desktop-window.h"
#include "nautilus-first-time-druid.h"
37
#include "nautilus-main.h"
38 39
#include "nautilus-shell-interface.h"
#include "nautilus-shell.h"
40
#include "nautilus-window-private.h"
41 42 43
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-object.h>
#include <gtk/gtksignal.h>
44 45 46 47
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-util.h>
#include <libgnomeui/gnome-messagebox.h>
#include <libgnomeui/gnome-stock.h>
48
#include <libgnomevfs/gnome-vfs-uri.h>
49
#include <libnautilus-extensions/nautilus-file-utilities.h>
50
#include <libnautilus-extensions/nautilus-global-preferences.h>
51
#include <libnautilus-extensions/nautilus-gtk-macros.h>
52
#include <libnautilus-extensions/nautilus-icon-factory.h>
53
#include <libnautilus-extensions/nautilus-sound.h>
54
#include <libnautilus-extensions/nautilus-stock-dialogs.h>
55
#include <libnautilus-extensions/nautilus-string-list.h>
56
#include <libnautilus-extensions/nautilus-undo-manager.h>
57
#include <libnautilus-extensions/nautilus-volume-monitor.h>
58
#include <liboaf/liboaf.h>
59

60 61 62
#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"
63
#define SEARCH_LIST_VIEW_IID "OAFIID:nautilus_file_manager_search_list_view:b186e381-198e-43cf-9c46-60b6bb35db0b"
64
#define SHELL_IID	"OAFIID:nautilus_shell:cd5183b2-3913-4b74-9b8e-10528b0de08d"
65

66 67 68 69 70
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
71
								  const GNOME_stringlist  *params,
72 73 74 75
								  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);
76
static gboolean	     check_for_and_run_as_super_user 		 (void);
Ramiro Estrugo's avatar
Ramiro Estrugo committed
77
static gboolean	     need_to_show_first_time_druid		 (void);
78
static void	     desktop_changed_callback 		         (gpointer 		   user_data);
79 80 81 82 83 84 85
static void	     volume_mounted_callback 			 (NautilusVolumeMonitor    *monitor,
								  NautilusVolume 	   *volume,
			  	 				  NautilusApplication 	   *application);
static void	     volume_unmounted_callback 			 (NautilusVolumeMonitor    *monitor,
								  NautilusVolume 	   *volume,
			  	 				  NautilusApplication 	   *application);

86 87 88

NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusApplication, nautilus_application, BONOBO_OBJECT_TYPE)

89
static POA_GNOME_ObjectFactory__epv factory_epv = {
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
90
	NULL,
91 92 93 94
	&manufactures,
	&create_object
};
static PortableServer_ServantBase__epv base_epv;
95
static POA_GNOME_ObjectFactory__vepv vepv = {
96 97
	&base_epv,
	&factory_epv
98 99 100
};

static CORBA_boolean
101 102 103
manufactures (PortableServer_Servant servant,
	      const CORBA_char *iid,
	      CORBA_Environment *ev)
104
{
105
	return strcmp (iid, ICON_VIEW_IID) == 0
106
		|| strcmp (iid, NAUTILUS_DESKTOP_ICON_VIEW_IID) == 0
107
		|| strcmp (iid, LIST_VIEW_IID) == 0
108
		|| strcmp (iid, SEARCH_LIST_VIEW_IID) == 0
109
		|| strcmp (iid, SHELL_IID) == 0;
110 111 112
}

static CORBA_Object
113 114
create_object (PortableServer_Servant servant,
	       const CORBA_char *iid,
Maciej Stachowiak's avatar
Maciej Stachowiak committed
115
	       const GNOME_stringlist *params,
116
	       CORBA_Environment *ev)
117
{
118
	BonoboObject *object;
119
	FMDirectoryView *directory_view;
120
	NautilusApplication *application;
121

122
	if (strcmp (iid, ICON_VIEW_IID) == 0) {
123
		directory_view = FM_DIRECTORY_VIEW (gtk_object_new (fm_icon_view_get_type (), NULL));
124
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
125 126 127
	} 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));
128
	} else if (strcmp (iid, LIST_VIEW_IID) == 0) {
129
		directory_view = FM_DIRECTORY_VIEW (gtk_object_new (fm_list_view_get_type (), NULL));
130
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
131 132 133
	} 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));
134
	} else if (strcmp (iid, SHELL_IID) == 0) {
135 136
		application = NAUTILUS_APPLICATION (((BonoboObjectServant *) servant)->bonobo_object);
		object = BONOBO_OBJECT (nautilus_shell_new (application));
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
137
	} else {
138
		return CORBA_OBJECT_NIL;
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
139
	}
140 141

	return CORBA_Object_duplicate (bonobo_object_corba_objref (object), ev);
142 143
}

144
static CORBA_Object
145 146 147
create_factory (PortableServer_POA poa,
		NautilusApplication *bonobo_object,
		CORBA_Environment *ev)
148
{
149
	BonoboObjectServant *servant;
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
150

151
	servant = g_new0 (BonoboObjectServant, 1);
152 153
	((POA_GNOME_ObjectFactory *) servant)->vepv = &vepv;
	POA_GNOME_ObjectFactory__init ((PortableServer_Servant) servant, ev);
154
	return bonobo_object_activate_servant (BONOBO_OBJECT (bonobo_object), servant);
155 156
}

157
/* Keeps track of the one and only desktop window. */
158
static NautilusDesktopWindow *nautilus_application_desktop_window;
159 160

/* Keeps track of all the nautilus windows. */
161
static GList *nautilus_application_window_list;
162

163 164
GList *
nautilus_application_get_window_list (void)
165 166 167 168
{
	return nautilus_application_window_list;
}

169
static void
170
nautilus_application_initialize_class (NautilusApplicationClass *klass)
171
{
172
	GTK_OBJECT_CLASS (klass)->destroy = nautilus_application_destroy;
173 174 175
}

static void
176
nautilus_application_initialize (NautilusApplication *application)
177
{
178
	CORBA_Environment ev;
179
	CORBA_Object corba_object;
180

181
	CORBA_exception_init (&ev);
182
	corba_object = create_factory (bonobo_poa (), application, &ev);
183 184 185 186
	if (ev._major != CORBA_NO_EXCEPTION) {
		g_error ("could not create factory");
	}
	CORBA_exception_free (&ev);
187
	
188
	bonobo_object_construct (BONOBO_OBJECT (application), corba_object);
189
	
190 191
	/* Create an undo manager */
	application->undo_manager = nautilus_undo_manager_new ();
192

193 194 195 196 197 198 199 200 201 202 203
	/* 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);
204 205
}

206 207
NautilusApplication *
nautilus_application_new (void)
208
{
209
	return NAUTILUS_APPLICATION (gtk_object_new (nautilus_application_get_type (), NULL));
210 211 212
}

static void
213
nautilus_application_destroy (GtkObject *object)
214
{
215 216 217 218
	NautilusApplication *application;

	application = NAUTILUS_APPLICATION (object);

219
	nautilus_bookmarks_exiting ();
220
	
221 222
	bonobo_object_unref (BONOBO_OBJECT (application->undo_manager));

223 224
	NAUTILUS_CALL_PARENT_CLASS (GTK_OBJECT_CLASS, destroy, (object));
}
225

226 227
static gboolean
check_required_directories (NautilusApplication *application)
228
{
229 230 231
	char			*user_directory;
	char			*user_main_directory;
	char			*desktop_directory;
232
	NautilusStringList	*dir_list;
233 234 235 236 237
	char 			*dir_list_concatenated;
	char 			*error_string;
	char 			*dialog_title;
	GnomeDialog 		*dialog;
	int			 failed_count;
238
	
239
	g_assert (NAUTILUS_IS_APPLICATION (application));
240 241 242 243 244

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

245
	dir_list = nautilus_string_list_new (TRUE);
246 247
	
	if (!g_file_test (user_directory, G_FILE_TEST_ISDIR)) {
248
		nautilus_string_list_insert (dir_list, user_directory);
249
	}
250
	g_free (user_directory);
251 252
	    
	if (!g_file_test (user_main_directory, G_FILE_TEST_ISDIR)) {
253
		nautilus_string_list_insert (dir_list, user_main_directory);
254
	}
255
	g_free (user_main_directory);
256 257
	    
	if (!g_file_test (desktop_directory, G_FILE_TEST_ISDIR)) {
258
		nautilus_string_list_insert (dir_list, desktop_directory);
259
	}
260
	g_free (desktop_directory);
261

262
	failed_count = nautilus_string_list_get_length (dir_list);
263

264
	if (failed_count != 0) {
265 266
		dir_list_concatenated = nautilus_string_list_as_concatenated_string (dir_list, "\n");

267 268 269 270 271 272 273 274 275 276 277 278 279
		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);
		}
		
280
		dialog = nautilus_show_error_dialog (error_string, dialog_title, NULL);
281 282
		/* We need the main event loop so the user has a chance to see the dialog. */
		nautilus_main_event_loop_register (GTK_OBJECT (dialog));
283 284 285

		g_free (dir_list_concatenated);
		g_free (error_string);
286
		g_free (dialog_title);
287 288 289
	}

	nautilus_string_list_free (dir_list);
290 291

	return failed_count == 0;
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
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;
}

323
void
324
nautilus_application_startup (NautilusApplication *application,
325
			      gboolean kill_shell,
326
			      gboolean restart_shell,
327
			      gboolean start_desktop,
328
			      gboolean no_default_window,
329
			      gboolean do_first_time_druid_check,
330
			      const char *geometry,
331
			      const char *urls[])
332
{
333 334
	CORBA_Environment ev;
	Nautilus_Shell shell;
335 336 337
	OAF_RegistrationResult result;
	const char *message, *detailed_message;
	GnomeDialog *dialog;
338
	Nautilus_URIList *url_list;
339
	const CORBA_char *corba_geometry;
340 341 342
	int num_failures;

	num_failures = 0;
343

344 345
	/* Perform check for nautilus being run as super user */
	if (!check_for_and_run_as_super_user ()) {
346
		return;
347
	}
Ramiro Estrugo's avatar
Ramiro Estrugo committed
348 349

	/* Run the first time startup druid if needed. */
350
	if (do_first_time_druid_check && need_to_show_first_time_druid ()) {
351
		nautilus_first_time_druid_show (application, start_desktop, urls);
352
		return;
353
	}
Ramiro Estrugo's avatar
Ramiro Estrugo committed
354
	
355
	/* Check the user's ~/.nautilus directories and post warnings
356
	 * if there are problems.
357
	 */
358 359 360
	if (!check_required_directories (application)) {
		return;
	}
361

362 363 364
	/* initialize the sound machinery */
	nautilus_sound_initialize ();
	
365 366
	CORBA_exception_init (&ev);

367
	/* Start up the factory. */
368
	while (TRUE) {
369 370 371 372 373 374 375
		/* 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. */
376
		case OAF_REG_ALREADY_ACTIVE:
377
			/* Another copy of nautilus already is running and registered. */
378
			message = NULL;
379
			detailed_message = NULL;
380 381 382
			break;
		case OAF_REG_NOT_LISTED:
			/* Can't register myself due to trouble locating the
383
			 * Nautilus_Shell.oaf file. This has happened when you
384 385 386
			 * launch Nautilus with an LD_LIBRARY_PATH that
			 * doesn't include the directory containg the oaf
			 * library. It could also happen if the
387
			 * Nautilus_Shell.oaf file was not present for some
388 389 390 391 392 393 394
			 * 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.");
395
			/* FIXME bugzilla.eazel.com 2536: The guesses and stuff here are lame. */
396 397
			detailed_message = _("Nautilus can't be used now. "
					     "Rebooting the computer or installing "
398
					     "Nautilus again may fix the problem.\n\n"
399
					     "OAF couldn't locate the Nautilus_Shell.oaf file. "
400 401 402
					     "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 "
403
					     "with a missing Nautilus_Shell.oaf file.\n\n"
404
					     "Sometimes killing oafd and gconfd fixes "
405
					     "the problem, but we don't know why.\n\n"
406 407 408 409 410 411 412 413 414 415
					     "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.
			 */
416
			/* FIXME bugzilla.eazel.com 2537: Looks like this does happen with the
417 418 419 420
			 * current OAF. I guess I read the code
			 * wrong. Need to figure out when and make a
			 * good message.
			 */
421 422 423 424 425
			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;
		}
426 427 428 429 430 431 432 433 434 435 436 437

		/* 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) {
438
				/* FIXME bugzilla.eazel.com 2538: When can this happen? */
439 440
				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 "
441 442 443 444 445 446 447 448 449 450 451
						     "from OAF when attempting to locate the factory."
						     "Killing oafd and restarting Nautilus may help fix the problem.");
			} else {
				num_failures++;
				if (num_failures > 20) {
					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 shell object. "
							     "Killing oafd and restarting Nautilus may help fix the problem.");
					
				}
452 453 454
			}
		}

455
		if (message != NULL) {
456
			dialog = nautilus_show_error_dialog_with_details (message, NULL, detailed_message, NULL);
457 458
			/* We need the main event loop so the user has a chance to see the dialog. */
			nautilus_main_event_loop_register (GTK_OBJECT (dialog));
459
			goto out;
460 461 462
		}
	}

463 464
	if (kill_shell) {
		Nautilus_Shell_quit (shell, &ev);
465 466
	} else if (restart_shell) {
		Nautilus_Shell_restart (shell, &ev);
467 468 469 470
	} else {
		if (start_desktop) {
			Nautilus_Shell_start_desktop (shell, &ev);
		}
471 472 473 474 475 476
		
		/* 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));
477

478 479 480 481
		/* CORBA C mapping doesn't allow NULL to be passed
		   for string parameters */
		corba_geometry = (geometry != NULL) ? geometry : "";

482 483 484
	  	/* Create the other windows. */
		if (urls != NULL) {
			url_list = nautilus_make_uri_list_from_strv (urls);
485
			Nautilus_Shell_open_windows (shell, url_list, corba_geometry, &ev);
486
			CORBA_free (url_list);
487
		} else if (!no_default_window) {
488
			Nautilus_Shell_open_default_window (shell, corba_geometry, &ev);
489
		}
490
	}
491

492
	/* We're done with the shell now, so let it go. */
493 494 495 496 497 498 499 500
	/* 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);
	}
501

502
 out:
503
	CORBA_exception_free (&ev);
504 505 506
}

static void
507 508
nautilus_application_create_desktop_window (NautilusApplication *application)
{
509 510
	g_return_if_fail (nautilus_application_desktop_window == NULL);
	g_return_if_fail (NAUTILUS_IS_APPLICATION (application));
511

512 513
	nautilus_application_desktop_window = nautilus_desktop_window_new (application);
	gtk_widget_show (GTK_WIDGET (nautilus_application_desktop_window));
514 515 516 517
}

void
nautilus_application_open_desktop (NautilusApplication *application)
518
{
519 520
	if (nautilus_application_desktop_window == NULL) {
		nautilus_application_create_desktop_window (application);
521 522 523 524 525 526
	}
}

void
nautilus_application_close_desktop (void)
{
527
	if (nautilus_application_desktop_window != NULL) {
528
		gtk_widget_destroy (GTK_WIDGET (nautilus_application_desktop_window));
529
		nautilus_application_desktop_window = NULL;
530
	}	
531 532
}

533 534 535
void
nautilus_application_close_all_windows (void)
{
536
	while (nautilus_application_window_list != NULL) {
537 538 539 540
		nautilus_window_close (NAUTILUS_WINDOW (nautilus_application_window_list->data));
	}
}

541
static void
542
nautilus_application_destroyed_window (GtkObject *object, NautilusApplication *application)
543
{
544
	nautilus_application_window_list = g_list_remove (nautilus_application_window_list, object);
545 546
}

547 548 549 550 551 552 553 554 555 556 557 558 559
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;
}				       

560
NautilusWindow *
561
nautilus_application_create_window (NautilusApplication *application)
562
{
563
	NautilusWindow *window;
564 565

	g_return_val_if_fail (NAUTILUS_IS_APPLICATION (application), NULL);
566
	
567
	window = NAUTILUS_WINDOW (gtk_widget_new (nautilus_window_get_type (),
568
						  "app", GTK_OBJECT (application),
569
						  "app_id", "nautilus", NULL));
570
	
571 572 573 574
	gtk_signal_connect (GTK_OBJECT (window), 
			    "delete_event", GTK_SIGNAL_FUNC (nautilus_window_delete_event_callback),
                    	    NULL);

575
	gtk_signal_connect (GTK_OBJECT (window),
576
			    "destroy", nautilus_application_destroyed_window,
577 578
			    application);

579
	nautilus_application_window_list = g_list_prepend (nautilus_application_window_list, window);
580

Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
581
	/* Do not yet show the window. It will be shown later on if it can
582 583 584
	 * successfully display its initial URI. Otherwise it will be destroyed
	 * without ever having seen the light of day.
	 */
585

586
	return window;
587
}
588 589 590 591 592 593 594 595 596 597 598

/*
 * 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;
599

600 601 602 603
	if (geteuid () != 0) {
		return TRUE;
	}

604 605 606 607 608 609 610
	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);
	
611
	result = gnome_dialog_run_and_close (GNOME_DIALOG (warning_dlg));
612
	
613 614 615 616
	/* If they pressed cancel, quit the application */
	if (result == 1) {
		return FALSE;
	}
617
	
618 619
	return TRUE;
}
Ramiro Estrugo's avatar
Ramiro Estrugo committed
620

621 622 623 624 625 626 627
/* 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);
628
	if ( nautilus_preferences_get_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP)) {
629 630 631 632 633 634
		nautilus_application_open_desktop (application);
	} else {
		nautilus_application_close_desktop ();
	}
}

Ramiro Estrugo's avatar
Ramiro Estrugo committed
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
/*
 * 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);

669
	result = !g_file_exists (druid_flag_file_name);	
Ramiro Estrugo's avatar
Ramiro Estrugo committed
670 671 672 673
	g_free (druid_flag_file_name);

	return result;
}
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692

/* 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)
{
693
	GList *windows, *index, *close_list;
694 695 696 697 698 699 700 701
	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 */
702
	windows = nautilus_application_get_window_list ();
703 704 705 706
	
	/* Construct a list of windows to be closed */
	for (index = windows; index != NULL; index = index->next) {
		window = (NautilusWindow *)index->data;
707
		if (window != NULL && window->details->viewed_file != NULL) {
708 709 710 711 712 713 714 715
			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) {
716
						close_list = g_list_prepend (close_list, window);
717 718 719 720 721 722 723 724 725 726 727 728
					}				
				}
				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));
	}
	
729
	g_list_free (close_list);
730 731
}