nautilus-application.c 40 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
 *  Authors: Elliot Lee <sopwith@redhat.com>,
24
 *           Darin Adler <darin@bentspoon.com>
25 26 27
 *
 */

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

31

32
#include "file-manager/fm-desktop-icon-view.h"
33
#include "file-manager/fm-icon-view.h"
34
#include "file-manager/fm-list-view.h"
35
#include "file-manager/fm-search-list-view.h"
36 37 38
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
39 40
#include "nautilus-desktop-window.h"
#include "nautilus-first-time-druid.h"
41
#include "nautilus-main.h"
42 43
#include "nautilus-spatial-window.h"
#include "nautilus-navigation-window.h"
44 45
#include "nautilus-shell-interface.h"
#include "nautilus-shell.h"
46
#include "nautilus-window-private.h"
47 48
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-object.h>
Ramiro Estrugo's avatar
Ramiro Estrugo committed
49 50 51 52 53
#include <eel/eel-gtk-macros.h>
#include <eel/eel-stock-dialogs.h>
#include <eel/eel-string-list.h>
#include <eel/eel-string.h>
#include <eel/eel-vfs-extensions.h>
54
#include <eel/eel-gtk-extensions.h>
55
#include <gdk/gdkx.h>
56
#include <gtk/gtkinvisible.h>
57
#include <gtk/gtksignal.h>
58
#include <libgnome/gnome-config.h>
59 60
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-util.h>
61
#include <libgnomeui/gnome-authentication-manager.h>
62
#include <libgnomeui/gnome-client.h>
Ramiro Estrugo's avatar
Ramiro Estrugo committed
63
#include <libgnomeui/gnome-messagebox.h>
64
#include <libgnomeui/gnome-stock-icons.h>
65
#include <libgnomevfs/gnome-vfs-mime-handlers.h>
66
#include <libgnomevfs/gnome-vfs-ops.h>
Ramiro Estrugo's avatar
Ramiro Estrugo committed
67
#include <libgnomevfs/gnome-vfs-utils.h>
Alexander Larsson's avatar
Alexander Larsson committed
68
#include <libgnomevfs/gnome-vfs-volume-monitor.h>
69 70 71 72 73
#include <libnautilus-private/nautilus-file-utilities.h>
#include <libnautilus-private/nautilus-global-preferences.h>
#include <libnautilus-private/nautilus-icon-factory.h>
#include <libnautilus-private/nautilus-metafile-factory.h>
#include <libnautilus-private/nautilus-sound.h>
74
#include <libnautilus-private/nautilus-bonobo-extensions.h>
75
#include <libnautilus-private/nautilus-undo-manager.h>
Alexander Larsson's avatar
Alexander Larsson committed
76
#include <libnautilus-private/nautilus-desktop-link-monitor.h>
77
#include <libnautilus-private/nautilus-directory-private.h>
78
#include <bonobo-activation/bonobo-activation.h>
79

80 81 82 83
/* Needed for the is_kdesktop_present check */
#include <gdk/gdkx.h>
#include <X11/Xlib.h>

84 85 86
#define FACTORY_IID	     "OAFIID:Nautilus_Factory"
#define SEARCH_LIST_VIEW_IID "OAFIID:Nautilus_File_Manager_Search_List_View"
#define SHELL_IID	     "OAFIID:Nautilus_Shell"
87

88 89
/* Keeps track of all the desktop windows. */
static GList *nautilus_application_desktop_windows;
90 91 92 93

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

94 95 96
/* Keeps track of all the object windows */
static GList *nautilus_application_spatial_window_list;

97 98 99
static gboolean need_to_show_first_time_druid     (void);
static void     desktop_changed_callback          (gpointer                  user_data);
static void     desktop_location_changed_callback (gpointer                  user_data);
Alexander Larsson's avatar
Alexander Larsson committed
100 101
static void     volume_unmounted_callback         (GnomeVFSVolumeMonitor    *monitor,
						   GnomeVFSVolume           *volume,
102
						   NautilusApplication      *application);
Alexander Larsson's avatar
Alexander Larsson committed
103 104 105
static void     volume_mounted_callback           (GnomeVFSVolumeMonitor    *monitor,
						   GnomeVFSVolume           *volume,
						   NautilusApplication      *application);
106 107 108 109
static void     update_session                    (gpointer                  callback_data);
static void     init_session                      (void);
static gboolean is_kdesktop_present               (void);

110 111
BONOBO_CLASS_BOILERPLATE (NautilusApplication, nautilus_application,
			  BonoboGenericFactory, BONOBO_GENERIC_FACTORY_TYPE)
112 113

static CORBA_Object
114 115 116
create_object (PortableServer_Servant servant,
	       const CORBA_char *iid,
	       CORBA_Environment *ev)
117
{
118
	BonoboObject *object;
119
	FMDirectoryView *directory_view;
120
	NautilusApplication *application;
121

122
	if (strcmp (iid, NAUTILUS_ICON_VIEW_IID) == 0) {
123
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_icon_view_get_type (), NULL));
124
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
125
	} else if (strcmp (iid, NAUTILUS_DESKTOP_ICON_VIEW_IID) == 0) {
126
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_desktop_icon_view_get_type (), NULL));
127
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
128
	} else if (strcmp (iid, NAUTILUS_LIST_VIEW_IID) == 0) {
129
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_list_view_get_type (), NULL));
130
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
131
	} else if (strcmp (iid, SEARCH_LIST_VIEW_IID) == 0) {
132
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_search_list_view_get_type (), NULL));
133
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
134
	} else if (strcmp (iid, SHELL_IID) == 0) {
135
		application = NAUTILUS_APPLICATION (bonobo_object_from_servant (servant));
136
		object = BONOBO_OBJECT (nautilus_shell_new (application));
137 138
	} else if (strcmp (iid, METAFILE_FACTORY_IID) == 0) {
		object = BONOBO_OBJECT (nautilus_metafile_factory_get_instance ());
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
139
	} else {
140
		object = CORBA_OBJECT_NIL;
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
141
	}
142

143
	return CORBA_Object_duplicate (BONOBO_OBJREF (object), ev);
144 145
}

146 147
GList *
nautilus_application_get_window_list (void)
148 149 150 151
{
	return nautilus_application_window_list;
}

152 153 154 155 156 157
GList *
nautilus_application_get_spatial_window_list (void)
{
	return nautilus_application_spatial_window_list;
}

158 159 160 161 162 163 164
static CORBA_Object
create_object_shortcut (const char *iid,
			gpointer callback_data)
{
	return create_object (BONOBO_OBJREF (callback_data), iid, NULL);
}

165
static void
166
nautilus_application_instance_init (NautilusApplication *application)
167
{
168 169
	/* Create an undo manager */
	application->undo_manager = nautilus_undo_manager_new ();
170

171 172 173
	/* Watch for volume mounts so we can restore open windows
	 * This used to be for showing new window on mount, but is not
	 * used anymore */
174 175

	/* Watch for volume unmounts so we can close open windows */
Alexander Larsson's avatar
Alexander Larsson committed
176
	g_signal_connect_object (gnome_vfs_get_volume_monitor (), "volume_unmounted",
177
				 G_CALLBACK (volume_unmounted_callback), application, 0);
Alexander Larsson's avatar
Alexander Larsson committed
178 179
	g_signal_connect_object (gnome_vfs_get_volume_monitor (), "volume_mounted",
				 G_CALLBACK (volume_mounted_callback), application, 0);
180 181 182 183 184

	nautilus_bonobo_register_activation_shortcut (NAUTILUS_ICON_VIEW_IID, create_object_shortcut, application);
	nautilus_bonobo_register_activation_shortcut (NAUTILUS_DESKTOP_ICON_VIEW_IID, create_object_shortcut, application);
	nautilus_bonobo_register_activation_shortcut (NAUTILUS_LIST_VIEW_IID, create_object_shortcut, application);
	nautilus_bonobo_register_activation_shortcut (SEARCH_LIST_VIEW_IID, create_object_shortcut, application);
185 186
}

187 188
NautilusApplication *
nautilus_application_new (void)
189
{
190 191 192 193 194 195 196 197 198
	NautilusApplication *application;

	application = g_object_new (NAUTILUS_TYPE_APPLICATION, NULL);
	
	bonobo_generic_factory_construct_noreg (BONOBO_GENERIC_FACTORY (application),
						FACTORY_IID,
						NULL);
	
	return application;
199 200 201
}

static void
202
nautilus_application_destroy (BonoboObject *object)
203
{
204 205 206 207
	NautilusApplication *application;

	application = NAUTILUS_APPLICATION (object);

208 209 210 211 212
	nautilus_bonobo_unregister_activation_shortcut (NAUTILUS_ICON_VIEW_IID);
	nautilus_bonobo_unregister_activation_shortcut (NAUTILUS_DESKTOP_ICON_VIEW_IID);
	nautilus_bonobo_unregister_activation_shortcut (NAUTILUS_LIST_VIEW_IID);
	nautilus_bonobo_unregister_activation_shortcut (SEARCH_LIST_VIEW_IID);
	
213
	nautilus_bookmarks_exiting ();
214
	
215
	bonobo_object_unref (application->undo_manager);
216

217
	EEL_CALL_PARENT (BONOBO_OBJECT_CLASS, destroy, (object));
218
}
219

220 221
static gboolean
check_required_directories (NautilusApplication *application)
222
{
223 224 225 226 227
	char *user_directory;
	char *desktop_directory;
	EelStringList *directories;
	char *directories_as_string;
	char *error_string;
228
	char *detail_string;
229
	char *dialog_title;
230
	GtkDialog *dialog;
231
	int failed_count;
232
	
233
	g_assert (NAUTILUS_IS_APPLICATION (application));
234 235 236 237

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

238
	directories = eel_string_list_new (TRUE);
239
	
240
	if (!g_file_test (user_directory, G_FILE_TEST_IS_DIR)) {
241
		eel_string_list_insert (directories, user_directory);
242
	}
243
	g_free (user_directory);	    
244
	    
245
	if (!g_file_test (desktop_directory, G_FILE_TEST_IS_DIR)) {
246
		eel_string_list_insert (directories, desktop_directory);
247
	}
248
	g_free (desktop_directory);
249

250
	failed_count = eel_string_list_get_length (directories);
251

252
	if (failed_count != 0) {
253
		directories_as_string = eel_string_list_as_string (directories, ", ", EEL_STRING_LIST_ALL_STRINGS);
254

255
		if (failed_count == 1) {
256 257
			dialog_title = _("Couldn't Create Required Folder");
			error_string = g_strdup_printf (_("Nautilus could not create the required folder \"%s\"."),
258
							directories_as_string);
259 260
			detail_string = _("Before running Nautilus, please create the following folder, or "
					  "set permissions such that Nautilus can create it.");
261
		} else {
262 263 264 265 266
			dialog_title = _("Couldn't Create Required Folders");
			error_string = g_strdup_printf (_("Nautilus could not create the following required folders: "
							  "%s."), directories_as_string);
  			detail_string = _("Before running Nautilus, please create these folders, or "
					  "set permissions such that Nautilus can create them.");
267 268
		}
		
269
		dialog = eel_show_error_dialog (error_string, detail_string, dialog_title, NULL);
270 271
		/* We need the main event loop so the user has a chance to see the dialog. */
		nautilus_main_event_loop_register (GTK_OBJECT (dialog));
272

273
		g_free (directories_as_string);
274 275 276
		g_free (error_string);
	}

277
	eel_string_list_free (directories);
278 279

	return failed_count == 0;
280 281
}

282 283 284 285 286 287 288 289 290 291
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 *
292
nautilus_make_uri_list_from_shell_strv (const char * const *strv)
293 294 295
{
	int length, i;
	Nautilus_URIList *uri_list;
296
	char *translated_uri;
297 298 299 300 301 302 303 304

	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++) {
Ramiro Estrugo's avatar
Ramiro Estrugo committed
305
		translated_uri = eel_make_uri_from_shell_arg (strv[i]);
306 307 308
		uri_list->_buffer[i] = CORBA_string_dup (translated_uri);
		g_free (translated_uri);
		translated_uri = NULL;
309 310 311 312 313 314
	}
	CORBA_sequence_set_release (uri_list, CORBA_TRUE);

	return uri_list;
}

315 316 317
static void
migrate_old_nautilus_files (void)
{
318 319 320 321 322 323
	char *new_desktop_dir;
	char *old_desktop_dir;
	char *migrated_file;
	char *link_name;
	char *link_path;
	int fd;
324
	
325
	old_desktop_dir = nautilus_get_gmc_desktop_directory ();
326 327
	if (!g_file_test (old_desktop_dir, G_FILE_TEST_IS_DIR) ||
	    g_file_test (old_desktop_dir, G_FILE_TEST_IS_SYMLINK)) {
328 329 330
		g_free (old_desktop_dir);
		return;
	}
331 332 333
	migrated_file = g_build_filename (old_desktop_dir, ".migrated", NULL);
	if (!g_file_test (migrated_file, G_FILE_TEST_EXISTS)) {
		link_name = g_filename_from_utf8 (_("Link To Old Desktop"), -1, NULL, NULL, NULL);
334
		new_desktop_dir = nautilus_get_desktop_directory ();
335
		link_path = g_build_filename (new_desktop_dir, link_name, NULL);
336
	
337 338 339 340
		
		symlink ("../.gnome-desktop", link_path);
		
		g_free (link_name);
341
		g_free (new_desktop_dir);
342
		g_free (link_path);
343

344 345 346 347 348
		fd = creat (migrated_file, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
		if (fd >= 0) {
			close (fd);
		}
		
349 350 351 352
		eel_show_info_dialog (_("A link called \"Link To Old Desktop\" has been created on the desktop."),
				      _("The location of the desktop directory has changed in GNOME 2.4. "
					"You can open the link and move over the files you want, then delete the link."),
				      _("Migrated Old Desktop"),
353 354
				      NULL);
	}
355
	g_free (old_desktop_dir);
356
	g_free (migrated_file);
357 358
}

359 360 361 362 363 364 365 366 367
static gint
create_starthere_link_callback (gpointer data)
{
	char *desktop_path;
	char *desktop_link_file;
	char *cmd;
	
	/* Create default services icon on the desktop */
	desktop_path = nautilus_get_desktop_directory ();
368 369 370
	desktop_link_file = g_build_filename (desktop_path,
					      "starthere.desktop",
					      NULL);
371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388

	cmd = g_strconcat ("/bin/cp ",
			   NAUTILUS_DATADIR,
			   "/starthere-link.desktop ",
			   desktop_link_file,
			   NULL);

	if (system (cmd) != 0) {
		g_warning ("Failed to execute command '%s'\n", cmd);
	}
	
	g_free (desktop_path);
	g_free (desktop_link_file);
	g_free (cmd);
	
	return FALSE;
}

389 390 391 392
static void
finish_startup (NautilusApplication *application)
{
	/* initialize the sound machinery */
393
	nautilus_sound_init ();
394

395
	/* initialize URI authentication manager */
396
	gnome_authentication_manager_init ();
397

398
	/* Make the desktop work with old Nautilus. */
399
	migrate_old_nautilus_files ();
Alexander Larsson's avatar
Alexander Larsson committed
400 401 402

	/* Initialize the desktop link monitor singleton */
	nautilus_desktop_link_monitor_get ();
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
static void
initialize_kde_trash_hack (void)
{
	char *trash_dir;
	char *desktop_dir, *desktop_uri, *kde_trash_dir;
	char *dir, *basename;
	char *kde_conf_file;
	char *key;
	gboolean def;
	
	trash_dir = NULL;

	desktop_uri = nautilus_get_desktop_directory_uri_no_create ();
	desktop_dir = gnome_vfs_get_local_path_from_uri (desktop_uri);
	g_free (desktop_uri);
	
	if (g_file_test (desktop_dir, G_FILE_TEST_EXISTS)) {
		/* Look for trash directory */
		kde_conf_file = g_build_filename (g_get_home_dir(), ".kde/share/config/kdeglobals", NULL);
		key = g_strconcat ("=", kde_conf_file, "=/Paths/Trash", NULL);
		kde_trash_dir = gnome_config_get_string_with_default (key, &def);
		gnome_config_drop_file (kde_conf_file);
		g_free (kde_conf_file);
		g_free (key);

		if (kde_trash_dir != NULL) {
			basename = g_path_get_basename (kde_trash_dir);
			g_free (kde_trash_dir);
			
			dir = g_build_filename (desktop_dir, basename, NULL);

			if (g_file_test (dir, G_FILE_TEST_IS_DIR)) {
				trash_dir = g_strdup (basename);
			} 
			g_free (basename);
			g_free (dir);
		} 

		if (trash_dir != NULL) {
			nautilus_set_kde_trash_name (trash_dir);
		}

		g_free (trash_dir);
	}
	g_free (desktop_dir);
}

452
void
453
nautilus_application_startup (NautilusApplication *application,
454
			      gboolean kill_shell,
455
			      gboolean restart_shell,
456
			      gboolean no_default_window,
457
			      gboolean no_desktop,
458
			      gboolean do_first_time_druid_check,
Alexander Larsson's avatar
Alexander Larsson committed
459
			      gboolean browser_window,
460
			      const char *geometry,
461
			      const char *urls[])
462
{
463 464
	CORBA_Environment ev;
	Nautilus_Shell shell;
465
	Bonobo_RegistrationResult result;
466
	const char *message, *detailed_message;
467
	GtkDialog *dialog;
468
	Nautilus_URIList *url_list;
469
	const CORBA_char *corba_geometry;
470 471 472
	int num_failures;

	num_failures = 0;
473

474
	/* Check the user's ~/.nautilus directories and post warnings
475
	 * if there are problems.
476
	 */
477
	if (!kill_shell && !check_required_directories (application)) {
478 479
		return;
	}
480

481 482
	/* Run the first time startup druid if needed. */
	if (do_first_time_druid_check && need_to_show_first_time_druid ()) {
483 484 485 486 487 488
		/* Do this at idle time, once nautilus has initialized
		 * itself. Otherwise we may spawn a second nautilus
		 * process when looking for a metadata factory..
		 */
		g_idle_add (create_starthere_link_callback, NULL);
		nautilus_set_first_time_file_flag ();
489
	}
490

491 492
	initialize_kde_trash_hack ();

493 494
	CORBA_exception_init (&ev);

495
	/* Start up the factory. */
496
	while (TRUE) {
497
		/* Try to register the file manager view factory. */
498
		result = nautilus_bonobo_activation_register_for_display
499
			(FACTORY_IID, BONOBO_OBJREF (application));
500

501
		switch (result) {
502 503
		case Bonobo_ACTIVATION_REG_SUCCESS:
			/* We are registered and all is right with the world. */
504
			finish_startup (application);
505
		case Bonobo_ACTIVATION_REG_ALREADY_ACTIVE:
506
			/* Another copy of nautilus already is running and registered. */
507
			message = NULL;
508
			detailed_message = NULL;
509
			break;
510
		case Bonobo_ACTIVATION_REG_NOT_LISTED:
511
			/* Can't register myself due to trouble locating the
512
			 * Nautilus_Shell.server file. This has happened when you
513
			 * launch Nautilus with an LD_LIBRARY_PATH that
514
			 * doesn't include the directory containing the oaf
515
			 * library. It could also happen if the
516
			 * Nautilus_Shell.server file was not present for some
517 518 519 520 521
			 * 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. "
522
				    "Running the command \"bonobo-slay\""
523 524 525
				    " from the console may fix the problem. If not,"
				    " you can try rebooting the computer or"
				    " installing Nautilus again.");
526
			/* FIXME bugzilla.gnome.org 42536: The guesses and stuff here are lame. */
527
			detailed_message = _("Nautilus can't be used now. "
528
					     "Running the command \"bonobo-slay\" "
529 530 531 532
					     "from the console may fix the problem. If not, "
					     "you can try rebooting the computer or "
					     "installing Nautilus again.\n\n"
					     "Bonobo couldn't locate the Nautilus_shell.server file. "
533
					     "One cause of this seems to be an LD_LIBRARY_PATH "
534
					     "that does not include the bonobo-activation library's directory. "
535
					     "Another possible cause would be bad install "
536
					     "with a missing Nautilus_Shell.server file.\n\n"
537
					     "Running \"bonobo-slay\" will kill all "
538
					     "Bonobo Activation and GConf processes, which may be needed by "
539
					     "other applications.\n\n"
540
					     "Sometimes killing bonobo-activation-server and gconfd fixes "
541
					     "the problem, but we don't know why.\n\n"
542
					     "We have also seen this error when a faulty "
543
					     "version of bonobo-activation was installed.");
544 545 546
			break;
		default:
			/* This should never happen. */
547
			g_warning ("bad error code from bonobo_activation_active_server_register");
548
		case Bonobo_ACTIVATION_REG_ERROR:
549
			/* Some misc. error (can never happen with current
550
			 * version of bonobo-activation). Show dialog and terminate the
551 552
			 * program.
			 */
553
			/* FIXME bugzilla.gnome.org 42537: Looks like this does happen with the
554
			 * current OAF. I guess I read the code wrong. Need to figure out when and make a
555 556
			 * good message.
			 */
557 558
			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 "
559
					     "from Bonobo when attempting to register the file manager view server.");
560 561
			break;
		}
562 563 564

		/* Get the shell object. */
		if (message == NULL) {
565
			shell = bonobo_activation_activate_from_id (SHELL_IID, 0, NULL, NULL);
566 567 568 569 570 571 572
			if (!CORBA_Object_is_nil (shell, &ev)) {
				break;
			}

			/* If we couldn't find ourselves it's a bad problem so
			 * we better stop looping.
			 */
573
			if (result == Bonobo_ACTIVATION_REG_SUCCESS) {
574
				/* FIXME bugzilla.gnome.org 42538: When can this happen? */
575 576
				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 "
577 578
						     "from Bonobo when attempting to locate the factory."
						     "Killing bonobo-activation-server and restarting Nautilus may help fix the problem.");
579 580 581 582 583
			} 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 "
584 585
							     "from Bonobo when attempting to locate the shell object. "
							     "Killing bonobo-activation-server and restarting Nautilus may help fix the problem.");
586 587
					
				}
588 589 590
			}
		}

591
		if (message != NULL) {
592
			dialog = eel_show_error_dialog_with_details (message, NULL, NULL, detailed_message, NULL);
593 594
			/* We need the main event loop so the user has a chance to see the dialog. */
			nautilus_main_event_loop_register (GTK_OBJECT (dialog));
595
			goto out;
596 597 598
		}
	}

599 600
	if (kill_shell) {
		Nautilus_Shell_quit (shell, &ev);
601 602
	} else if (restart_shell) {
		Nautilus_Shell_restart (shell, &ev);
603
	} else {
604
		/* If KDE desktop is running, then force no_desktop */
605
		if (is_kdesktop_present ()) {
606
			no_desktop = TRUE;
607
		}
608
		
609
		if (!no_desktop && eel_preferences_get_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP)) {
610 611
			Nautilus_Shell_start_desktop (shell, &ev);
		}
612 613
		
		/* Monitor the preference to show or hide the desktop */
614
		eel_preferences_add_callback_while_alive (NAUTILUS_PREFERENCES_SHOW_DESKTOP,
Darin Adler's avatar
Darin Adler committed
615 616 617
							  desktop_changed_callback,
							  application,
							  G_OBJECT (application));
618

619 620
		/* Monitor the preference to have the desktop */
		/* point to the Unix home folder */
621
		eel_preferences_add_callback_while_alive (NAUTILUS_PREFERENCES_DESKTOP_IS_HOME_DIR,
Darin Adler's avatar
Darin Adler committed
622 623 624
							  desktop_location_changed_callback,
							  NULL,
							  G_OBJECT (application));
625

626 627 628 629
		/* CORBA C mapping doesn't allow NULL to be passed
		   for string parameters */
		corba_geometry = (geometry != NULL) ? geometry : "";

630 631
	  	/* Create the other windows. */
		if (urls != NULL) {
632
			url_list = nautilus_make_uri_list_from_shell_strv (urls);
Alexander Larsson's avatar
Alexander Larsson committed
633
			Nautilus_Shell_open_windows (shell, url_list, corba_geometry, browser_window, &ev);
634
			CORBA_free (url_list);
635
		} else if (!no_default_window) {
Alexander Larsson's avatar
Alexander Larsson committed
636
			Nautilus_Shell_open_default_window (shell, corba_geometry, browser_window, &ev);
637
		}
638 639 640
		
		/* Add ourselves to the session */
		init_session ();
641
	}
642

643
	/* We're done with the shell now, so let it go. */
644 645 646 647 648
	/* 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.
	 */
649
	if (!(kill_shell || restart_shell)) {
650
		bonobo_object_release_unref (shell, NULL);
651
	}
652

653
 out:
654
	CORBA_exception_free (&ev);
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

static void 
selection_get_cb (GtkWidget          *widget,
		  GtkSelectionData   *selection_data,
		  guint               info,
		  guint               time)
{
	/* No extra targets atm */
}

static GtkWidget *
get_desktop_manager_selection (GdkDisplay *display, int screen)
{
	char *selection_name;
	GdkAtom selection_atom;
	Window selection_owner;
	GtkWidget *selection_widget;

	selection_name = g_strdup_printf ("_NET_DESKTOP_MANAGER_S%d", screen);
	selection_atom = gdk_atom_intern (selection_name, FALSE);
	g_free (selection_name);

	selection_owner = XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display),
					      gdk_x11_atom_to_xatom_for_display (display, 
										 selection_atom));
	if (selection_owner != None) {
		return NULL;
	}
	
	selection_widget = gtk_invisible_new_for_screen (gdk_display_get_screen (display, screen));
	/* We need this for gdk_x11_get_server_time() */
	gtk_widget_add_events (selection_widget, GDK_PROPERTY_CHANGE_MASK);

	if (gtk_selection_owner_set_for_display (display,
						 selection_widget,
						 selection_atom,
						 gdk_x11_get_server_time (selection_widget->window))) {
		
		g_signal_connect (selection_widget, "selection_get",
				  G_CALLBACK (selection_get_cb), NULL);
		return selection_widget;
	}

	gtk_widget_destroy (selection_widget);
	
	return NULL;
}

static void
desktop_unrealize_cb (GtkWidget        *widget,
		      GtkWidget        *selection_widget)
{
	gtk_widget_destroy (selection_widget);
}

static gboolean
selection_clear_event_cb (GtkWidget	        *widget,
			  GdkEventSelection     *event,
			  NautilusDesktopWindow *window)
{
	gtk_widget_destroy (GTK_WIDGET (window));
	
	nautilus_application_desktop_windows =
		g_list_remove (nautilus_application_desktop_windows, window);

	return TRUE;
}

725
static void
726
nautilus_application_create_desktop_windows (NautilusApplication *application)
727
{
728
	static gboolean create_in_progress = FALSE;
729 730
	GdkDisplay *display;
	NautilusDesktopWindow *window;
731
	GtkWidget *selection_widget;
732
	int screens, i;
733

734
	g_return_if_fail (nautilus_application_desktop_windows == NULL);
735
	g_return_if_fail (NAUTILUS_IS_APPLICATION (application));
736

737 738 739 740 741 742
	if (create_in_progress) {
		return;
	}

	create_in_progress = TRUE;

743 744 745 746
	display = gdk_display_get_default ();
	screens = gdk_display_get_n_screens (display);

	for (i = 0; i < screens; i++) {
747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767
		selection_widget = get_desktop_manager_selection (display, i);
		if (selection_widget != NULL) {
			window = nautilus_desktop_window_new (application,
							      gdk_display_get_screen (display, i));
			
			g_signal_connect (selection_widget, "selection_clear_event",
					  G_CALLBACK (selection_clear_event_cb), window);
			
			g_signal_connect (window, "unrealize",
					  G_CALLBACK (desktop_unrealize_cb), selection_widget);
			
			/* We realize it immediately so that the NAUTILUS_DESKTOP_WINDOW_ID
			   property is set so gnome-settings-daemon doesn't try to set the
			   background. And we do a gdk_flush() to be sure X gets it. */
			gtk_widget_realize (GTK_WIDGET (window));
			gdk_flush ();

			
			nautilus_application_desktop_windows =
				g_list_prepend (nautilus_application_desktop_windows, window);
		}
768
	}
769 770

	create_in_progress = FALSE;
771 772 773 774
}

void
nautilus_application_open_desktop (NautilusApplication *application)
775
{
776 777
	if (nautilus_application_desktop_windows == NULL) {
		nautilus_application_create_desktop_windows (application);
778 779 780 781 782 783
	}
}

void
nautilus_application_close_desktop (void)
{
784 785 786 787 788
	if (nautilus_application_desktop_windows != NULL) {
		g_list_foreach (nautilus_application_desktop_windows,
				(GFunc) gtk_widget_destroy, NULL);
		g_list_free (nautilus_application_desktop_windows);
		nautilus_application_desktop_windows = NULL;
789
	}
790 791
}

792
void
793
nautilus_application_close_all_navigation_windows (void)
794
{
795 796 797 798 799 800 801 802 803 804 805 806
	GList *list_copy;
	GList *l;
	
	list_copy = g_list_copy (nautilus_application_window_list);
	for (l = list_copy; l != NULL; l = l->next) {
		NautilusWindow *window;
		
		window = NAUTILUS_WINDOW (l->data);
		
		if (NAUTILUS_IS_NAVIGATION_WINDOW (window)) {
			nautilus_window_close (window);
		}
807
	}
808
	g_list_free (list_copy);
809 810
}

811 812
static NautilusSpatialWindow *
nautilus_application_get_existing_spatial_window (const char *location)
813
{
814 815 816 817 818 819 820 821 822 823 824 825 826 827
	GList *l;
	
	for (l = nautilus_application_get_spatial_window_list ();
	     l != NULL; l = l->next) {
		char *window_location;
		
		window_location = nautilus_window_get_location (NAUTILUS_WINDOW (l->data));
		if (!strcmp (location, window_location)) {
			g_free (window_location);
			return NAUTILUS_SPATIAL_WINDOW (l->data);
		}
		g_free (window_location);
	}
	return NULL;
828 829
}

830 831
static NautilusSpatialWindow *
find_parent_spatial_window (NautilusSpatialWindow *window)
832
{
833 834 835 836
	NautilusFile *file;
	NautilusFile *parent_file;
	char *location;
	char *desktop_directory;
837

838 839 840
	location = nautilus_window_get_location (NAUTILUS_WINDOW (window));
	file = nautilus_file_get (location);
	g_free (location);
841

842 843 844
	if (!file) {
		return NULL;
	}
845
	
846
	desktop_directory = nautilus_get_desktop_directory_uri ();	
847
	
848 849 850 851
	parent_file = nautilus_file_get_parent (file);
	nautilus_file_unref (file);
	while (parent_file) {
		NautilusSpatialWindow *parent_window;
852
		
853 854 855 856 857 858 859 860 861
		location = nautilus_file_get_uri (parent_file);

		/* Stop at the desktop directory, as this is the
		 * conceptual root of the spatial windows */
		if (!strcmp (location, desktop_directory)) {
			g_free (location);
			g_free (desktop_directory);
			nautilus_file_unref (parent_file);
			return NULL;
862
		}
863 864 865 866 867 868 869

		parent_window = nautilus_application_get_existing_spatial_window (location);
		g_free (location);
		
		if (parent_window) {
			nautilus_file_unref (parent_file);
			return parent_window;
870
		}
871 872 873 874 875 876 877 878 879 880
		file = parent_file;
		parent_file = nautilus_file_get_parent (file);
		nautilus_file_unref (file);
	}
	g_free (desktop_directory);

	return NULL;
}

void