2 * this file is part of evince, a gnome document viewer
4 * Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
24 #include <glib/gstdio.h>
27 #include <sys/types.h>
31 #include <dbus/dbus-glib-bindings.h>
32 #include <dbus/dbus-glib-lowlevel.h>
34 #define EV_DBUS_DAEMON_NAME "org.gnome.evince.Daemon"
35 #define EV_DBUS_DAEMON_OBJECT_PATH "/org/gnome/evince/Daemon"
37 #define EV_TYPE_DAEMON (ev_daemon_get_type ())
38 #define EV_DAEMON(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_DAEMON, EvDaemon))
39 #define EV_DAEMON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_DAEMON, EvDaemonClass))
40 #define EV_IS_DAEMON(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_DAEMON))
42 typedef struct _EvDaemon EvDaemon;
43 typedef struct _EvDaemonClass EvDaemonClass;
48 DBusGProxy *bus_proxy;
56 struct _EvDaemonClass {
57 GObjectClass base_class;
60 static GType ev_daemon_get_type (void) G_GNUC_CONST;
61 static gboolean ev_daemon_register_document (EvDaemon *ev_daemon,
63 DBusGMethodInvocation *context);
64 static gboolean ev_daemon_unregister_document (EvDaemon *ev_daemon,
66 DBusGMethodInvocation *context);
67 #include "ev-daemon-service.h"
69 static EvDaemon *ev_daemon = NULL;
71 G_DEFINE_TYPE(EvDaemon, ev_daemon, G_TYPE_OBJECT)
79 ev_doc_free (EvDoc *doc)
84 g_free (doc->dbus_name);
91 ev_daemon_find_doc (EvDaemon *ev_daemon,
96 for (l = ev_daemon->docs; l; l = g_list_next (l)) {
97 EvDoc *doc = (EvDoc *)l->data;
99 if (strcmp (doc->uri, uri) == 0)
107 ev_daemon_finalize (GObject *object)
109 EvDaemon *ev_daemon = EV_DAEMON (object);
111 if (ev_daemon->docs) {
112 g_list_foreach (ev_daemon->docs, (GFunc)ev_doc_free, NULL);
113 g_list_free (ev_daemon->docs);
114 ev_daemon->docs = NULL;
117 if (ev_daemon->bus_proxy) {
118 g_object_unref (ev_daemon->bus_proxy);
119 ev_daemon->bus_proxy = NULL;
122 G_OBJECT_CLASS (ev_daemon_parent_class)->finalize (object);
126 ev_daemon_init (EvDaemon *ev_daemon)
131 ev_daemon_class_init (EvDaemonClass *klass)
133 GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
135 g_object_class->finalize = ev_daemon_finalize;
137 dbus_g_object_type_install_info (EV_TYPE_DAEMON,
138 &dbus_glib_ev_daemon_object_info);
142 ev_daemon_shutdown (EvDaemon *ev_daemon)
144 g_object_unref (ev_daemon);
150 ev_daemon_stop_killtimer (EvDaemon *ev_daemon)
152 if (ev_daemon->timer_id > 0)
153 g_source_remove (ev_daemon->timer_id);
154 ev_daemon->timer_id = 0;
158 ev_daemon_start_killtimer (EvDaemon *ev_daemon)
160 ev_daemon_stop_killtimer (ev_daemon);
161 ev_daemon->timer_id =
162 g_timeout_add_seconds (30,
163 (GSourceFunc) ev_daemon_shutdown,
168 ev_daemon_name_owner_changed (DBusGProxy *proxy,
170 const gchar *old_owner,
171 const gchar *new_owner,
174 GList *l, *next = NULL;
176 if (*name == ':' && *new_owner == '\0') {
177 for (l = ev_daemon->docs; l; l = next) {
178 EvDoc *doc = (EvDoc *)l->data;
181 if (strcmp (doc->dbus_name, name) == 0) {
183 ev_daemon->docs = g_list_delete_link (ev_daemon->docs, l);
184 if (--ev_daemon->n_docs == 0)
185 ev_daemon_start_killtimer (ev_daemon);
194 DBusGConnection *connection;
195 guint request_name_result;
196 GError *error = NULL;
201 connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
203 g_printerr ("Failed to connect to the D-BUS daemon: %s\n", error->message);
204 g_error_free (error);
209 ev_daemon = g_object_new (EV_TYPE_DAEMON, NULL);
211 ev_daemon->bus_proxy = dbus_g_proxy_new_for_name (connection,
214 DBUS_INTERFACE_DBUS);
215 if (!org_freedesktop_DBus_request_name (ev_daemon->bus_proxy,
217 DBUS_NAME_FLAG_DO_NOT_QUEUE,
218 &request_name_result, &error)) {
219 g_printerr ("Failed to acquire daemon name: %s", error->message);
220 g_error_free (error);
221 g_object_unref (ev_daemon);
226 switch (request_name_result) {
227 case DBUS_REQUEST_NAME_REPLY_EXISTS:
228 g_printerr ("Evince daemon already running, exiting.\n");
229 g_object_unref (ev_daemon);
232 case DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER:
233 dbus_g_connection_register_g_object (connection,
234 EV_DBUS_DAEMON_OBJECT_PATH,
235 G_OBJECT (ev_daemon));
238 g_printerr ("Not primary owner of the service, exiting.\n");
239 g_object_unref (ev_daemon);
245 dbus_g_proxy_add_signal (ev_daemon->bus_proxy,
251 dbus_g_proxy_connect_signal (ev_daemon->bus_proxy, "NameOwnerChanged",
252 G_CALLBACK (ev_daemon_name_owner_changed),
254 ev_daemon_start_killtimer (ev_daemon);
262 ev_daemon_register_document (EvDaemon *ev_daemon,
264 DBusGMethodInvocation *method)
267 const gchar *owner = NULL;
269 doc = ev_daemon_find_doc (ev_daemon, uri);
271 /* Already registered */
272 owner = doc->dbus_name;
274 doc = g_new (EvDoc, 1);
275 doc->dbus_name = dbus_g_method_get_sender (method);
276 doc->uri = g_strdup (uri);
277 ev_daemon->docs = g_list_prepend (ev_daemon->docs, doc);
278 if (ev_daemon->n_docs++ == 0)
279 ev_daemon_stop_killtimer (ev_daemon);
282 dbus_g_method_return (method, owner);
288 ev_daemon_unregister_document (EvDaemon *ev_daemon,
290 DBusGMethodInvocation *method)
295 doc = ev_daemon_find_doc (ev_daemon, uri);
297 g_warning ("Document %s is not registered\n", uri);
298 dbus_g_method_return (method);
303 sender = dbus_g_method_get_sender (method);
304 if (strcmp (doc->dbus_name, sender) != 0) {
305 g_warning ("Failed to unregister document %s: invalid owner %s, expected %s\n",
306 uri, sender, doc->dbus_name);
308 dbus_g_method_return (method);
314 ev_daemon->docs = g_list_remove (ev_daemon->docs, doc);
316 if (--ev_daemon->n_docs == 0)
317 ev_daemon_start_killtimer (ev_daemon);
319 dbus_g_method_return (method);
325 do_exit (GMainLoop *loop,
328 if (g_main_loop_is_running (loop))
329 g_main_loop_quit (loop);
333 convert_metadata (const gchar *metadata)
338 GFileAttributeInfoList *namespaces;
339 gboolean supported = FALSE;
340 GError *error = NULL;
343 /* If metadata is not supported for a local file
344 * is likely because and old gvfs version is running.
346 file = g_file_new_for_path (metadata);
347 namespaces = g_file_query_writable_namespaces (file, NULL, NULL);
351 for (i = 0; i < namespaces->n_infos; i++) {
352 if (strcmp (namespaces->infos[i].name, "metadata") == 0) {
357 g_file_attribute_info_list_unref (namespaces);
361 "GVFS metadata not supported, "
362 "Evince will run without metadata support");
363 g_object_unref (file);
366 g_object_unref (file);
368 cmd = g_strdup_printf ("%s %s", LIBEXECDIR"/evince-convert-metadata", metadata);
370 retval = g_spawn_command_line_sync (cmd, NULL, NULL, &exit_status, &error);
374 g_printerr ("Error migrating metadata: %s\n", error->message);
375 g_error_free (error);
378 return retval && exit_status == 0;
382 ev_migrate_metadata (void)
388 dot_dir = g_build_filename (g_get_home_dir (),
393 updated = g_build_filename (dot_dir, "migrated-to-gvfs", NULL);
394 if (g_file_test (updated, G_FILE_TEST_EXISTS)) {
395 /* Already migrated */
401 metadata = g_build_filename (dot_dir, "ev-metadata.xml", NULL);
402 if (g_file_test (metadata, G_FILE_TEST_EXISTS)) {
403 if (convert_metadata (metadata)) {
406 fd = g_creat (updated, 0600);
419 main (gint argc, gchar **argv)
423 /* Init glib threads asap */
424 if (!g_thread_supported ())
425 g_thread_init (NULL);
429 if (!ev_daemon_get ())
432 ev_migrate_metadata ();
434 loop = g_main_loop_new (NULL, FALSE);
435 g_object_weak_ref (G_OBJECT (ev_daemon),
436 (GWeakNotify) do_exit,
438 g_main_loop_run (loop);
439 g_main_loop_unref (loop);