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1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
2
3 nautilus-desktop-icon-file.c: Subclass of NautilusFile to help implement the
4 virtual desktop icons.
5
6 Copyright (C) 2003 Red Hat, Inc.
7
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2 of the
11 License, or (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public
19 License along with this program; if not, write to the
20 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA.
22
23 Author: Alexander Larsson <alexl@redhat.com>
24 */
25
26 #include <config.h>
27 #include "nautilus-desktop-icon-file.h"
28
29 #include "nautilus-desktop-metadata.h"
30 #include "nautilus-desktop-directory-file.h"
31 #include "nautilus-directory-notify.h"
32 #include "nautilus-directory-private.h"
33 #include "nautilus-file-attributes.h"
34 #include "nautilus-file-private.h"
35 #include "nautilus-file-utilities.h"
36 #include "nautilus-file-operations.h"
37 #include <eel/eel-glib-extensions.h>
38 #include "nautilus-desktop-directory.h"
39 #include <glib/gi18n.h>
40 #include <string.h>
41 #include <gio/gio.h>
42
43 struct NautilusDesktopIconFileDetails {
44 NautilusDesktopLink *link;
45 };
46
47 G_DEFINE_TYPE(NautilusDesktopIconFile, nautilus_desktop_icon_file, NAUTILUS_TYPE_FILE)
48
49
50 static void
51 desktop_icon_file_monitor_add (NautilusFile *file,
52 gconstpointer client,
53 NautilusFileAttributes attributes)
54 {
55 nautilus_directory_monitor_add_internal
56 (file->details->directory, file,
57 client, TRUE, attributes, NULL, NULL);
58 }
59
60 static void
61 desktop_icon_file_monitor_remove (NautilusFile *file,
62 gconstpointer client)
63 {
64 nautilus_directory_monitor_remove_internal
65 (file->details->directory, file, client);
66 }
67
68 static void
69 desktop_icon_file_call_when_ready (NautilusFile *file,
70 NautilusFileAttributes attributes,
71 NautilusFileCallback callback,
72 gpointer callback_data)
73 {
74 nautilus_directory_call_when_ready_internal
75 (file->details->directory, file,
76 attributes, FALSE, NULL, callback, callback_data);
77 }
78
79 static void
80 desktop_icon_file_cancel_call_when_ready (NautilusFile *file,
81 NautilusFileCallback callback,
82 gpointer callback_data)
83 {
84 nautilus_directory_cancel_callback_internal
85 (file->details->directory, file,
86 NULL, callback, callback_data);
87 }
88
89 static gboolean
90 desktop_icon_file_check_if_ready (NautilusFile *file,
91 NautilusFileAttributes attributes)
92 {
93 return nautilus_directory_check_if_ready_internal
94 (file->details->directory, file,
95 attributes);
96 }
97
98 static gboolean
99 desktop_icon_file_get_item_count (NautilusFile *file,
100 guint *count,
101 gboolean *count_unreadable)
102 {
103 if (count != NULL) {
104 *count = 0;
105 }
106 if (count_unreadable != NULL) {
107 *count_unreadable = FALSE;
108 }
109 return TRUE;
110 }
111
112 static NautilusRequestStatus
113 desktop_icon_file_get_deep_counts (NautilusFile *file,
114 guint *directory_count,
115 guint *file_count,
116 guint *unreadable_directory_count,
117 goffset *total_size)
118 {
119 if (directory_count != NULL) {
120 *directory_count = 0;
121 }
122 if (file_count != NULL) {
123 *file_count = 0;
124 }
125 if (unreadable_directory_count != NULL) {
126 *unreadable_directory_count = 0;
127 }
128 if (total_size != NULL) {
129 *total_size = 0;
130 }
131
132 return NAUTILUS_REQUEST_DONE;
133 }
134
135 static gboolean
136 desktop_icon_file_get_date (NautilusFile *file,
137 NautilusDateType date_type,
138 time_t *date)
139 {
140 NautilusDesktopIconFile *desktop_file;
141
142 desktop_file = NAUTILUS_DESKTOP_ICON_FILE (file);
143
144 return nautilus_desktop_link_get_date (desktop_file->details->link,
145 date_type, date);
146 }
147
148 static char *
149 desktop_icon_file_get_where_string (NautilusFile *file)
150 {
151 return g_strdup (_("on the desktop"));
152 }
153
154 static void
155 nautilus_desktop_icon_file_init (NautilusDesktopIconFile *desktop_file)
156 {
157 desktop_file->details = G_TYPE_INSTANCE_GET_PRIVATE (desktop_file,
158 NAUTILUS_TYPE_DESKTOP_ICON_FILE,
159 NautilusDesktopIconFileDetails);
160 }
161
162 static void
163 update_info_from_link (NautilusDesktopIconFile *icon_file)
164 {
165 NautilusFile *file;
166 NautilusDesktopLink *link;
167 char *display_name;
168 GMount *mount;
169
170 file = NAUTILUS_FILE (icon_file);
171
172 link = icon_file->details->link;
173
174 if (link == NULL) {
175 return;
176 }
177
178 eel_ref_str_unref (file->details->mime_type);
179 file->details->mime_type = eel_ref_str_get_unique ("application/x-nautilus-link");
180 file->details->type = G_FILE_TYPE_SHORTCUT;
181 file->details->size = 0;
182 file->details->has_permissions = FALSE;
183 file->details->can_read = TRUE;
184 file->details->can_write = TRUE;
185
186 file->details->can_mount = FALSE;
187 file->details->can_unmount = FALSE;
188 file->details->can_eject = FALSE;
189 if (file->details->mount) {
190 g_object_unref (file->details->mount);
191 }
192 mount = nautilus_desktop_link_get_mount (link);
193 file->details->mount = mount;
194 if (mount) {
195 file->details->can_unmount = g_mount_can_unmount (mount);
196 file->details->can_eject = g_mount_can_eject (mount);
197 }
198
199 file->details->file_info_is_up_to_date = TRUE;
200
201 display_name = nautilus_desktop_link_get_display_name (link);
202 nautilus_file_set_display_name (file,
203 display_name, NULL, TRUE);
204 g_free (display_name);
205
206 if (file->details->icon != NULL) {
207 g_object_unref (file->details->icon);
208 }
209 file->details->icon = nautilus_desktop_link_get_icon (link);
210 g_free (file->details->activation_uri);
211 file->details->activation_uri = nautilus_desktop_link_get_activation_uri (link);
212 file->details->got_link_info = TRUE;
213 file->details->link_info_is_up_to_date = TRUE;
214
215 file->details->directory_count = 0;
216 file->details->got_directory_count = TRUE;
217 file->details->directory_count_is_up_to_date = TRUE;
218 }
219
220 void
221 nautilus_desktop_icon_file_update (NautilusDesktopIconFile *icon_file)
222 {
223 NautilusFile *file;
224
225 update_info_from_link (icon_file);
226 file = NAUTILUS_FILE (icon_file);
227 nautilus_file_changed (file);
228 }
229
230 void
231 nautilus_desktop_icon_file_remove (NautilusDesktopIconFile *icon_file)
232 {
233 NautilusFile *file;
234 GList list;
235
236 icon_file->details->link = NULL;
237
238 file = NAUTILUS_FILE (icon_file);
239
240 /* ref here because we might be removing the last ref when we
241 * mark the file gone below, but we need to keep a ref at
242 * least long enough to send the change notification.
243 */
244 nautilus_file_ref (file);
245
246 file->details->is_gone = TRUE;
247
248 list.data = file;
249 list.next = NULL;
250 list.prev = NULL;
251
252 nautilus_directory_remove_file (file->details->directory, file);
253 nautilus_directory_emit_change_signals (file->details->directory, &list);
254
255 nautilus_file_unref (file);
256 }
257
258 NautilusDesktopIconFile *
259 nautilus_desktop_icon_file_new (NautilusDesktopLink *link)
260 {
261 NautilusFile *file;
262 NautilusDirectory *directory;
263 NautilusDesktopIconFile *icon_file;
264 GList list;
265 char *name;
266
267 directory = nautilus_directory_get_by_uri (EEL_DESKTOP_URI);
268
269 file = NAUTILUS_FILE (g_object_new (NAUTILUS_TYPE_DESKTOP_ICON_FILE, NULL));
270
271 #ifdef NAUTILUS_FILE_DEBUG_REF
272 printf("%10p ref'd\n", file);
273 eazel_dump_stack_trace ("\t", 10);
274 #endif
275
276 file->details->directory = directory;
277
278 icon_file = NAUTILUS_DESKTOP_ICON_FILE (file);
279 icon_file->details->link = link;
280
281 name = nautilus_desktop_link_get_file_name (link);
282 file->details->name = eel_ref_str_new (name);
283 g_free (name);
284
285 update_info_from_link (icon_file);
286
287 nautilus_desktop_update_metadata_from_keyfile (file, file->details->name);
288
289 nautilus_directory_add_file (directory, file);
290
291 list.data = file;
292 list.next = NULL;
293 list.prev = NULL;
294 nautilus_directory_emit_files_added (directory, &list);
295
296 return icon_file;
297 }
298
299 /* Note: This can return NULL if the link was recently removed (i.e. unmounted) */
300 NautilusDesktopLink *
301 nautilus_desktop_icon_file_get_link (NautilusDesktopIconFile *icon_file)
302 {
303 if (icon_file->details->link)
304 return g_object_ref (icon_file->details->link);
305 else
306 return NULL;
307 }
308
309 static void
310 nautilus_desktop_icon_file_unmount (NautilusFile *file,
311 GMountOperation *mount_op,
312 GCancellable *cancellable,
313 NautilusFileOperationCallback callback,
314 gpointer callback_data)
315 {
316 NautilusDesktopIconFile *desktop_file;
317 GMount *mount;
318
319 desktop_file = NAUTILUS_DESKTOP_ICON_FILE (file);
320 if (desktop_file) {
321 mount = nautilus_desktop_link_get_mount (desktop_file->details->link);
322 if (mount != NULL) {
323 nautilus_file_operations_unmount_mount (NULL, mount, FALSE, TRUE);
324 }
325 }
326
327 }
328
329 static void
330 nautilus_desktop_icon_file_eject (NautilusFile *file,
331 GMountOperation *mount_op,
332 GCancellable *cancellable,
333 NautilusFileOperationCallback callback,
334 gpointer callback_data)
335 {
336 NautilusDesktopIconFile *desktop_file;
337 GMount *mount;
338
339 desktop_file = NAUTILUS_DESKTOP_ICON_FILE (file);
340 if (desktop_file) {
341 mount = nautilus_desktop_link_get_mount (desktop_file->details->link);
342 if (mount != NULL) {
343 nautilus_file_operations_unmount_mount (NULL, mount, TRUE, TRUE);
344 }
345 }
346 }
347
348 static void
349 nautilus_desktop_icon_file_set_metadata (NautilusFile *file,
350 const char *key,
351 const char *value)
352 {
353 nautilus_desktop_set_metadata_string (file, file->details->name, key, value);
354 }
355
356 static void
357 nautilus_desktop_icon_file_set_metadata_as_list (NautilusFile *file,
358 const char *key,
359 char **value)
360 {
361 nautilus_desktop_set_metadata_stringv (file, file->details->name, key, (const gchar **) value);
362 }
363
364 static void
365 nautilus_desktop_icon_file_class_init (NautilusDesktopIconFileClass *klass)
366 {
367 GObjectClass *object_class;
368 NautilusFileClass *file_class;
369
370 object_class = G_OBJECT_CLASS (klass);
371 file_class = NAUTILUS_FILE_CLASS (klass);
372
373 file_class->default_file_type = G_FILE_TYPE_DIRECTORY;
374
375 file_class->monitor_add = desktop_icon_file_monitor_add;
376 file_class->monitor_remove = desktop_icon_file_monitor_remove;
377 file_class->call_when_ready = desktop_icon_file_call_when_ready;
378 file_class->cancel_call_when_ready = desktop_icon_file_cancel_call_when_ready;
379 file_class->check_if_ready = desktop_icon_file_check_if_ready;
380 file_class->get_item_count = desktop_icon_file_get_item_count;
381 file_class->get_deep_counts = desktop_icon_file_get_deep_counts;
382 file_class->get_date = desktop_icon_file_get_date;
383 file_class->get_where_string = desktop_icon_file_get_where_string;
384 file_class->set_metadata = nautilus_desktop_icon_file_set_metadata;
385 file_class->set_metadata_as_list = nautilus_desktop_icon_file_set_metadata_as_list;
386 file_class->unmount = nautilus_desktop_icon_file_unmount;
387 file_class->eject = nautilus_desktop_icon_file_eject;
388
389 g_type_class_add_private (object_class, sizeof(NautilusDesktopIconFileDetails));
390 }