nautilus-application.c 40.3 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
#include "file-manager/fm-tree-view.h"
37 38 39
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
40 41
#include "nautilus-desktop-window.h"
#include "nautilus-first-time-druid.h"
42
#include "nautilus-main.h"
43 44
#include "nautilus-spatial-window.h"
#include "nautilus-navigation-window.h"
45 46
#include "nautilus-shell-interface.h"
#include "nautilus-shell.h"
47
#include "nautilus-window-private.h"
48 49
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-object.h>
Ramiro Estrugo's avatar
Ramiro Estrugo committed
50 51 52 53 54
#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>
55
#include <eel/eel-gtk-extensions.h>
56
#include <gdk/gdkx.h>
57
#include <gtk/gtkinvisible.h>
58
#include <gtk/gtksignal.h>
59
#include <libgnome/gnome-config.h>
60 61
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-util.h>
62
#include <libgnomeui/gnome-authentication-manager.h>
63
#include <libgnomeui/gnome-client.h>
Ramiro Estrugo's avatar
Ramiro Estrugo committed
64
#include <libgnomeui/gnome-messagebox.h>
65
#include <libgnomeui/gnome-stock-icons.h>
66
#include <libgnomevfs/gnome-vfs-mime-handlers.h>
67
#include <libgnomevfs/gnome-vfs-ops.h>
Ramiro Estrugo's avatar
Ramiro Estrugo committed
68
#include <libgnomevfs/gnome-vfs-utils.h>
Alexander Larsson's avatar
Alexander Larsson committed
69
#include <libgnomevfs/gnome-vfs-volume-monitor.h>
70 71 72 73 74
#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>
75
#include <libnautilus-private/nautilus-bonobo-extensions.h>
76
#include <libnautilus-private/nautilus-undo-manager.h>
Alexander Larsson's avatar
Alexander Larsson committed
77
#include <libnautilus-private/nautilus-desktop-link-monitor.h>
78
#include <libnautilus-private/nautilus-directory-private.h>
79
#include <bonobo-activation/bonobo-activation.h>
80

81 82 83 84
/* Needed for the is_kdesktop_present check */
#include <gdk/gdkx.h>
#include <X11/Xlib.h>

85 86 87
#define FACTORY_IID	     "OAFIID:Nautilus_Factory"
#define SEARCH_LIST_VIEW_IID "OAFIID:Nautilus_File_Manager_Search_List_View"
#define SHELL_IID	     "OAFIID:Nautilus_Shell"
88
#define TREE_VIEW_IID         "OAFIID:Nautilus_File_Manager_Tree_View"
89

90 91
/* Keeps track of all the desktop windows. */
static GList *nautilus_application_desktop_windows;
92 93 94 95

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

96 97 98
/* Keeps track of all the object windows */
static GList *nautilus_application_spatial_window_list;

99 100 101
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
102 103
static void     volume_unmounted_callback         (GnomeVFSVolumeMonitor    *monitor,
						   GnomeVFSVolume           *volume,
104
						   NautilusApplication      *application);
Alexander Larsson's avatar
Alexander Larsson committed
105 106 107
static void     volume_mounted_callback           (GnomeVFSVolumeMonitor    *monitor,
						   GnomeVFSVolume           *volume,
						   NautilusApplication      *application);
108 109 110 111
static void     update_session                    (gpointer                  callback_data);
static void     init_session                      (void);
static gboolean is_kdesktop_present               (void);

112 113
BONOBO_CLASS_BOILERPLATE (NautilusApplication, nautilus_application,
			  BonoboGenericFactory, BONOBO_GENERIC_FACTORY_TYPE)
114 115

static CORBA_Object
116 117 118
create_object (PortableServer_Servant servant,
	       const CORBA_char *iid,
	       CORBA_Environment *ev)
119
{
120
	BonoboObject *object;
121
	FMDirectoryView *directory_view;
122
	NautilusApplication *application;
123

124
	if (strcmp (iid, NAUTILUS_ICON_VIEW_IID) == 0) {
125
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_icon_view_get_type (), NULL));
126
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
127
	} else if (strcmp (iid, NAUTILUS_DESKTOP_ICON_VIEW_IID) == 0) {
128
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_desktop_icon_view_get_type (), NULL));
129
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
130
	} else if (strcmp (iid, NAUTILUS_LIST_VIEW_IID) == 0) {
131
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_list_view_get_type (), NULL));
132
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
133
	} else if (strcmp (iid, SEARCH_LIST_VIEW_IID) == 0) {
134
		directory_view = FM_DIRECTORY_VIEW (g_object_new (fm_search_list_view_get_type (), NULL));
135
		object = BONOBO_OBJECT (fm_directory_view_get_nautilus_view (directory_view));
136
	} else if (strcmp (iid, SHELL_IID) == 0) {
137
		application = NAUTILUS_APPLICATION (bonobo_object_from_servant (servant));
138
		object = BONOBO_OBJECT (nautilus_shell_new (application));
139 140
	} else if (strcmp (iid, METAFILE_FACTORY_IID) == 0) {
		object = BONOBO_OBJECT (nautilus_metafile_factory_get_instance ());
141 142
	} else if (strcmp (iid, TREE_VIEW_IID) == 0) {
		object = BONOBO_OBJECT (g_object_new (fm_tree_view_get_type (), NULL));
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
143
	} else {
144
		object = CORBA_OBJECT_NIL;
Gene Z. Ragan's avatar
CVS:  
Gene Z. Ragan committed
145
	}
146

147
	return CORBA_Object_duplicate (BONOBO_OBJREF (object), ev);
148 149
}

150 151
GList *
nautilus_application_get_window_list (void)
152 153 154 155
{
	return nautilus_application_window_list;
}

156 157 158 159 160 161
GList *
nautilus_application_get_spatial_window_list (void)
{
	return nautilus_application_spatial_window_list;
}

162 163 164 165 166 167 168
static CORBA_Object
create_object_shortcut (const char *iid,
			gpointer callback_data)
{
	return create_object (BONOBO_OBJREF (callback_data), iid, NULL);
}

169
static void
170
nautilus_application_instance_init (NautilusApplication *application)
171
{
172 173
	/* Create an undo manager */
	application->undo_manager = nautilus_undo_manager_new ();
174

175 176 177
	/* 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 */
178 179

	/* Watch for volume unmounts so we can close open windows */
Alexander Larsson's avatar
Alexander Larsson committed
180
	g_signal_connect_object (gnome_vfs_get_volume_monitor (), "volume_unmounted",
181
				 G_CALLBACK (volume_unmounted_callback), application, 0);
Alexander Larsson's avatar
Alexander Larsson committed
182 183
	g_signal_connect_object (gnome_vfs_get_volume_monitor (), "volume_mounted",
				 G_CALLBACK (volume_mounted_callback), application, 0);
184 185 186 187 188

	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);
189
	nautilus_bonobo_register_activation_shortcut (TREE_VIEW_IID, create_object_shortcut, application);
190 191
}

192 193
NautilusApplication *
nautilus_application_new (void)
194
{
195 196 197 198 199 200 201 202 203
	NautilusApplication *application;

	application = g_object_new (NAUTILUS_TYPE_APPLICATION, NULL);
	
	bonobo_generic_factory_construct_noreg (BONOBO_GENERIC_FACTORY (application),
						FACTORY_IID,
						NULL);
	
	return application;
204 205 206
}

static void
207
nautilus_application_destroy (BonoboObject *object)
208
{
209 210 211 212
	NautilusApplication *application;

	application = NAUTILUS_APPLICATION (object);

213 214 215 216
	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);
217
	nautilus_bonobo_unregister_activation_shortcut (TREE_VIEW_IID);
218
	
219
	nautilus_bookmarks_exiting ();
220
	
221
	bonobo_object_unref (application->undo_manager);
222

223
	EEL_CALL_PARENT (BONOBO_OBJECT_CLASS, destroy, (object));
224
}
225

226 227
static gboolean
check_required_directories (NautilusApplication *application)
228
{
229 230 231 232 233
	char *user_directory;
	char *desktop_directory;
	EelStringList *directories;
	char *directories_as_string;
	char *error_string;
234
	char *detail_string;
235
	char *dialog_title;
236
	GtkDialog *dialog;
237
	int failed_count;
238
	
239
	g_assert (NAUTILUS_IS_APPLICATION (application));
240 241 242 243

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

244
	directories = eel_string_list_new (TRUE);
245
	
246
	if (!g_file_test (user_directory, G_FILE_TEST_IS_DIR)) {
247
		eel_string_list_insert (directories, user_directory);
248
	}
249
	g_free (user_directory);	    
250
	    
251
	if (!g_file_test (desktop_directory, G_FILE_TEST_IS_DIR)) {
252
		eel_string_list_insert (directories, desktop_directory);
253
	}
254
	g_free (desktop_directory);
255

256
	failed_count = eel_string_list_get_length (directories);
257

258
	if (failed_count != 0) {
259
		directories_as_string = eel_string_list_as_string (directories, ", ", EEL_STRING_LIST_ALL_STRINGS);
260

261
		if (failed_count == 1) {
262 263
			dialog_title = _("Couldn't Create Required Folder");
			error_string = g_strdup_printf (_("Nautilus could not create the required folder \"%s\"."),
264
							directories_as_string);
265 266
			detail_string = _("Before running Nautilus, please create the following folder, or "
					  "set permissions such that Nautilus can create it.");
267
		} else {
268 269 270 271 272
			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.");
273 274
		}
		
275
		dialog = eel_show_error_dialog (error_string, detail_string, dialog_title, NULL);
276 277
		/* We need the main event loop so the user has a chance to see the dialog. */
		nautilus_main_event_loop_register (GTK_OBJECT (dialog));
278

279
		g_free (directories_as_string);
280 281 282
		g_free (error_string);
	}

283
	eel_string_list_free (directories);
284 285

	return failed_count == 0;
286 287
}

288 289 290 291 292 293 294 295 296 297
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 *
298
nautilus_make_uri_list_from_shell_strv (const char * const *strv)
299 300 301
{
	int length, i;
	Nautilus_URIList *uri_list;
302
	char *translated_uri;
303 304 305 306 307 308 309 310

	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
311
		translated_uri = eel_make_uri_from_shell_arg (strv[i]);
312 313 314
		uri_list->_buffer[i] = CORBA_string_dup (translated_uri);
		g_free (translated_uri);
		translated_uri = NULL;
315 316 317 318 319 320
	}
	CORBA_sequence_set_release (uri_list, CORBA_TRUE);

	return uri_list;
}

321 322 323
static void
migrate_old_nautilus_files (void)
{
324 325 326 327 328 329
	char *new_desktop_dir;
	char *old_desktop_dir;
	char *migrated_file;
	char *link_name;
	char *link_path;
	int fd;
330
	
331
	old_desktop_dir = nautilus_get_gmc_desktop_directory ();
332 333
	if (!g_file_test (old_desktop_dir, G_FILE_TEST_IS_DIR) ||
	    g_file_test (old_desktop_dir, G_FILE_TEST_IS_SYMLINK)) {
334 335 336
		g_free (old_desktop_dir);
		return;
	}
337 338 339
	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);
340
		new_desktop_dir = nautilus_get_desktop_directory ();
341
		link_path = g_build_filename (new_desktop_dir, link_name, NULL);
342
	
343 344 345 346
		
		symlink ("../.gnome-desktop", link_path);
		
		g_free (link_name);
347
		g_free (new_desktop_dir);
348
		g_free (link_path);
349

350 351 352 353 354
		fd = creat (migrated_file, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
		if (fd >= 0) {
			close (fd);
		}
		
355 356 357 358
		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"),
359 360
				      NULL);
	}
361
	g_free (old_desktop_dir);
362
	g_free (migrated_file);
363 364
}

365 366 367 368 369 370 371 372 373
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 ();
374 375 376
	desktop_link_file = g_build_filename (desktop_path,
					      "starthere.desktop",
					      NULL);
377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394

	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;
}

395 396 397 398
static void
finish_startup (NautilusApplication *application)
{
	/* initialize the sound machinery */
399
	nautilus_sound_init ();
400

401
	/* initialize URI authentication manager */
402
	gnome_authentication_manager_init ();
403

404
	/* Make the desktop work with old Nautilus. */
405
	migrate_old_nautilus_files ();
Alexander Larsson's avatar
Alexander Larsson committed
406 407 408

	/* Initialize the desktop link monitor singleton */
	nautilus_desktop_link_monitor_get ();
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
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);
}

458
void
459
nautilus_application_startup (NautilusApplication *application,
460
			      gboolean kill_shell,
461
			      gboolean restart_shell,
462
			      gboolean no_default_window,
463
			      gboolean no_desktop,
464
			      gboolean do_first_time_druid_check,
Alexander Larsson's avatar
Alexander Larsson committed
465
			      gboolean browser_window,
466
			      const char *geometry,
467
			      const char *urls[])
468
{
469 470
	CORBA_Environment ev;
	Nautilus_Shell shell;
471
	Bonobo_RegistrationResult result;
472
	const char *message, *detailed_message;
473
	GtkDialog *dialog;
474
	Nautilus_URIList *url_list;
475
	const CORBA_char *corba_geometry;
476 477 478
	int num_failures;

	num_failures = 0;
479

480
	/* Check the user's ~/.nautilus directories and post warnings
481
	 * if there are problems.
482
	 */
483
	if (!kill_shell && !check_required_directories (application)) {
484 485
		return;
	}
486

487 488
	/* Run the first time startup druid if needed. */
	if (do_first_time_druid_check && need_to_show_first_time_druid ()) {
489 490 491 492 493 494
		/* 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 ();
495
	}
496

497 498
	initialize_kde_trash_hack ();

499 500
	CORBA_exception_init (&ev);

501
	/* Start up the factory. */
502
	while (TRUE) {
503
		/* Try to register the file manager view factory. */
504
		result = nautilus_bonobo_activation_register_for_display
505
			(FACTORY_IID, BONOBO_OBJREF (application));
506

507
		switch (result) {
508 509
		case Bonobo_ACTIVATION_REG_SUCCESS:
			/* We are registered and all is right with the world. */
510
			finish_startup (application);
511
		case Bonobo_ACTIVATION_REG_ALREADY_ACTIVE:
512
			/* Another copy of nautilus already is running and registered. */
513
			message = NULL;
514
			detailed_message = NULL;
515
			break;
516
		case Bonobo_ACTIVATION_REG_NOT_LISTED:
517
			/* Can't register myself due to trouble locating the
518
			 * Nautilus_Shell.server file. This has happened when you
519
			 * launch Nautilus with an LD_LIBRARY_PATH that
520
			 * doesn't include the directory containing the oaf
521
			 * library. It could also happen if the
522
			 * Nautilus_Shell.server file was not present for some
523 524 525 526 527
			 * 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. "
528
				    "Running the command \"bonobo-slay\""
529 530 531
				    " from the console may fix the problem. If not,"
				    " you can try rebooting the computer or"
				    " installing Nautilus again.");
532
			/* FIXME bugzilla.gnome.org 42536: The guesses and stuff here are lame. */
533
			detailed_message = _("Nautilus can't be used now. "
534
					     "Running the command \"bonobo-slay\" "
535 536 537 538
					     "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. "
539
					     "One cause of this seems to be an LD_LIBRARY_PATH "
540
					     "that does not include the bonobo-activation library's directory. "
541
					     "Another possible cause would be bad install "
542
					     "with a missing Nautilus_Shell.server file.\n\n"
543
					     "Running \"bonobo-slay\" will kill all "
544
					     "Bonobo Activation and GConf processes, which may be needed by "
545
					     "other applications.\n\n"
546
					     "Sometimes killing bonobo-activation-server and gconfd fixes "
547
					     "the problem, but we don't know why.\n\n"
548
					     "We have also seen this error when a faulty "
549
					     "version of bonobo-activation was installed.");
550 551 552
			break;
		default:
			/* This should never happen. */
553
			g_warning ("bad error code from bonobo_activation_active_server_register");
554
		case Bonobo_ACTIVATION_REG_ERROR:
555
			/* Some misc. error (can never happen with current
556
			 * version of bonobo-activation). Show dialog and terminate the
557 558
			 * program.
			 */
559
			/* FIXME bugzilla.gnome.org 42537: Looks like this does happen with the
560
			 * current OAF. I guess I read the code wrong. Need to figure out when and make a
561 562
			 * good message.
			 */
563 564
			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 "
565
					     "from Bonobo when attempting to register the file manager view server.");
566 567
			break;
		}
568 569 570

		/* Get the shell object. */
		if (message == NULL) {
571
			shell = bonobo_activation_activate_from_id (SHELL_IID, 0, NULL, NULL);
572 573 574 575 576 577 578
			if (!CORBA_Object_is_nil (shell, &ev)) {
				break;
			}

			/* If we couldn't find ourselves it's a bad problem so
			 * we better stop looping.
			 */
579
			if (result == Bonobo_ACTIVATION_REG_SUCCESS) {
580
				/* FIXME bugzilla.gnome.org 42538: When can this happen? */
581 582
				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 "
583 584
						     "from Bonobo when attempting to locate the factory."
						     "Killing bonobo-activation-server and restarting Nautilus may help fix the problem.");
585 586 587 588 589
			} 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 "
590 591
							     "from Bonobo when attempting to locate the shell object. "
							     "Killing bonobo-activation-server and restarting Nautilus may help fix the problem.");
592 593
					
				}
594 595 596
			}
		}

597
		if (message != NULL) {
598
			dialog = eel_show_error_dialog_with_details (message, NULL, NULL, detailed_message, NULL);
599 600
			/* We need the main event loop so the user has a chance to see the dialog. */
			nautilus_main_event_loop_register (GTK_OBJECT (dialog));
601
			goto out;
602 603 604
		}
	}

605 606
	if (kill_shell) {
		Nautilus_Shell_quit (shell, &ev);
607 608
	} else if (restart_shell) {
		Nautilus_Shell_restart (shell, &ev);
609
	} else {
610
		/* If KDE desktop is running, then force no_desktop */
611
		if (is_kdesktop_present ()) {
612
			no_desktop = TRUE;
613
		}
614
		
615
		if (!no_desktop && eel_preferences_get_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP)) {
616 617
			Nautilus_Shell_start_desktop (shell, &ev);
		}
618 619
		
		/* Monitor the preference to show or hide the desktop */
620
		eel_preferences_add_callback_while_alive (NAUTILUS_PREFERENCES_SHOW_DESKTOP,
Darin Adler's avatar
Darin Adler committed
621 622 623
							  desktop_changed_callback,
							  application,
							  G_OBJECT (application));
624

625 626
		/* Monitor the preference to have the desktop */
		/* point to the Unix home folder */
627
		eel_preferences_add_callback_while_alive (NAUTILUS_PREFERENCES_DESKTOP_IS_HOME_DIR,
Darin Adler's avatar
Darin Adler committed
628 629 630
							  desktop_location_changed_callback,
							  NULL,
							  G_OBJECT (application));
631

632 633 634 635
		/* CORBA C mapping doesn't allow NULL to be passed
		   for string parameters */
		corba_geometry = (geometry != NULL) ? geometry : "";

636 637
	  	/* Create the other windows. */
		if (urls != NULL) {
638
			url_list = nautilus_make_uri_list_from_shell_strv (urls);
Alexander Larsson's avatar
Alexander Larsson committed
639
			Nautilus_Shell_open_windows (shell, url_list, corba_geometry, browser_window, &ev);
640
			CORBA_free (url_list);
641
		} else if (!no_default_window) {
Alexander Larsson's avatar
Alexander Larsson committed
642
			Nautilus_Shell_open_default_window (shell, corba_geometry, browser_window, &ev);
643
		}
644 645 646
		
		/* Add ourselves to the session */
		init_session ();
647
	}
648

649
	/* We're done with the shell now, so let it go. */
650 651 652 653 654
	/* 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.
	 */
655
	if (!(kill_shell || restart_shell)) {
656
		bonobo_object_release_unref (shell, NULL);
657
	}
658

659
 out:
660
	CORBA_exception_free (&ev);
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

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;
}

731
static void
732
nautilus_application_create_desktop_windows (NautilusApplication *application)
733
{
734
	static gboolean create_in_progress = FALSE;
735 736
	GdkDisplay *display;
	NautilusDesktopWindow *window;
737
	GtkWidget *selection_widget;
738
	int screens, i;
739

740
	g_return_if_fail (nautilus_application_desktop_windows == NULL);
741
	g_return_if_fail (NAUTILUS_IS_APPLICATION (application));
742

743 744 745 746 747 748
	if (create_in_progress) {
		return;
	}

	create_in_progress = TRUE;

749 750 751 752
	display = gdk_display_get_default ();
	screens = gdk_display_get_n_screens (display);

	for (i = 0; i < screens; i++) {
753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773
		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);
		}
774
	}
775 776

	create_in_progress = FALSE;
777 778 779 780
}

void
nautilus_application_open_desktop (NautilusApplication *application)
781
{
782 783
	if (nautilus_application_desktop_windows == NULL) {
		nautilus_application_create_desktop_windows (application);
784 785 786 787 788 789
	}
}

void
nautilus_application_close_desktop (void)
{
790 791 792 793 794
	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;
795
	}
796 797
}

798
void
799
nautilus_application_close_all_navigation_windows (void)
800
{
801 802 803 804 805 806 807 808 809 810 811 812
	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);
		}
813
	}
814
	g_list_free (list_copy);
815 816
}

817 818
static NautilusSpatialWindow *
nautilus_application_get_existing_spatial_window (const char *location)
819
{
820 821 822 823 824 825 826 827 828 829 830 831 832 833
	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;
834 835
}

836 837
static NautilusSpatialWindow *
find_parent_spatial_window (NautilusSpatialWindow *window)
838
{
839 840 841 842
	NautilusFile *file;
	NautilusFile *parent_file;
	char *location;
	char *desktop_directory;
843

844 845 846
	location = nautilus_window_get_location (NAUTILUS_WINDOW (window));
	file = nautilus_file_get (location);
	g_free (location);
847

848 849 850
	if (!file) {
		return NULL;
	}
851
	
852
	desktop_directory = nautilus_get_desktop_directory_uri ();	
853
	
854 855 856 857
	parent_file = nautilus_file_get_parent (file);
	nautilus_file_unref (file);
	while (parent_file) {
		NautilusSpatialWindow *parent_window;
858
		
859 860 861 862 863 864 865 866 867
		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;
868
		}