1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
4 * Copyright (C) 2003 Ximian, Inc.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public
16 * License along with this program; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: Ettore Perazzoli <ettore@ximian.com>
28 #include "e-data-server-marshal.h"
30 #include "e-source-group.h"
32 static GObjectClass *parent_class = NULL;
34 /* Private members. */
36 struct _ESourceGroupPrivate {
43 gboolean ignore_source_changed;
56 static unsigned int signals[LAST_SIGNAL] = { 0 };
62 source_changed_callback (ESource *source,
65 if (! group->priv->ignore_source_changed)
66 g_signal_emit (group, signals[CHANGED], 0);
70 /* GObject methods. */
73 impl_dispose (GObject *object)
75 ESourceGroupPrivate *priv = E_SOURCE_GROUP (object)->priv;
77 if (priv->sources != NULL) {
80 for (p = priv->sources; p != NULL; p = p->next) {
81 ESource *source = E_SOURCE (p->data);
83 g_signal_handlers_disconnect_by_func (source,
84 G_CALLBACK (source_changed_callback),
86 g_object_unref (source);
89 g_slist_free (priv->sources);
93 (* G_OBJECT_CLASS (parent_class)->dispose) (object);
97 impl_finalize (GObject *object)
99 ESourceGroupPrivate *priv = E_SOURCE_GROUP (object)->priv;
103 g_free (priv->base_uri);
106 (* G_OBJECT_CLASS (parent_class)->finalize) (object);
110 /* Initialization. */
113 class_init (ESourceGroupClass *class)
115 GObjectClass *object_class = G_OBJECT_CLASS (class);
117 object_class->dispose = impl_dispose;
118 object_class->finalize = impl_finalize;
120 parent_class = g_type_class_peek_parent (class);
123 g_signal_new ("changed",
124 G_OBJECT_CLASS_TYPE (object_class),
126 G_STRUCT_OFFSET (ESourceGroupClass, changed),
128 e_data_server_marshal_VOID__VOID,
131 signals[SOURCE_ADDED] =
132 g_signal_new ("source_added",
133 G_OBJECT_CLASS_TYPE (object_class),
135 G_STRUCT_OFFSET (ESourceGroupClass, source_added),
137 e_data_server_marshal_VOID__OBJECT,
140 signals[SOURCE_REMOVED] =
141 g_signal_new ("source_removed",
142 G_OBJECT_CLASS_TYPE (object_class),
144 G_STRUCT_OFFSET (ESourceGroupClass, source_removed),
146 e_data_server_marshal_VOID__OBJECT,
152 init (ESourceGroup *source_group)
154 ESourceGroupPrivate *priv;
156 priv = g_new0 (ESourceGroupPrivate, 1);
157 source_group->priv = priv;
161 e_source_group_get_type (void)
163 static GType e_source_group_type = 0;
165 if (!e_source_group_type) {
166 static GTypeInfo info = {
167 sizeof (ESourceGroupClass),
168 (GBaseInitFunc) NULL,
169 (GBaseFinalizeFunc) NULL,
170 (GClassInitFunc) class_init,
172 sizeof (ESourceGroup),
174 (GInstanceInitFunc) init
176 e_source_group_type = g_type_register_static (G_TYPE_OBJECT, "ESourceGroup", &info, 0);
179 return e_source_group_type;
182 /* Public methods. */
185 e_source_group_new (const char *name,
186 const char *base_uri)
190 g_return_val_if_fail (name != NULL, NULL);
191 g_return_val_if_fail (base_uri != NULL, NULL);
193 new = g_object_new (e_source_group_get_type (), NULL);
194 new->priv->uid = e_uid_new ();
196 e_source_group_set_name (new, name);
197 e_source_group_set_base_uri (new, base_uri);
203 e_source_group_new_from_xml (const char *xml)
208 doc = xmlParseDoc ((char *) xml);
212 group = e_source_group_new_from_xmldoc (doc);
219 e_source_group_new_from_xmldoc (xmlDocPtr doc)
225 xmlChar *readonly_str;
226 ESourceGroup *new = NULL;
228 g_return_val_if_fail (doc != NULL, NULL);
230 root = doc->children;
231 if (strcmp (root->name, "group") != 0)
234 uid = xmlGetProp (root, "uid");
235 name = xmlGetProp (root, "name");
236 base_uri = xmlGetProp (root, "base_uri");
237 readonly_str = xmlGetProp (root, "readonly");
239 if (uid == NULL || name == NULL || base_uri == NULL)
242 new = g_object_new (e_source_group_get_type (), NULL);
243 new->priv->uid = g_strdup (uid);
245 e_source_group_set_name (new, name);
246 e_source_group_set_base_uri (new, base_uri);
248 for (p = root->children; p != NULL; p = p->next) {
249 ESource *new_source = e_source_new_from_xml_node (p);
250 e_source_group_add_source (new, new_source, -1);
253 e_source_group_set_readonly (new, readonly_str && !strcmp (readonly_str, "yes"));
261 if (base_uri != NULL)
263 if (readonly_str != NULL)
264 xmlFree (readonly_str);
269 e_source_group_update_from_xml (ESourceGroup *group,
271 gboolean *changed_return)
276 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE);
277 g_return_val_if_fail (xml != NULL, FALSE);
279 xmldoc = xmlParseDoc ((char *) xml);
281 success = e_source_group_update_from_xmldoc (group, xmldoc, changed_return);
289 e_source_group_update_from_xmldoc (ESourceGroup *group,
291 gboolean *changed_return)
293 GHashTable *new_sources_hash;
294 GSList *new_sources_list = NULL;
295 xmlNodePtr root, nodep;
296 xmlChar *name, *base_uri, *readonly_str;
298 gboolean changed = FALSE;
301 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE);
302 g_return_val_if_fail (doc != NULL, FALSE);
304 *changed_return = FALSE;
306 root = doc->children;
307 if (strcmp (root->name, "group") != 0)
310 name = xmlGetProp (root, "name");
314 base_uri = xmlGetProp (root, "base_uri");
315 if (base_uri == NULL) {
320 if (strcmp (group->priv->name, name) != 0) {
321 g_free (group->priv->name);
322 group->priv->name = g_strdup (name);
327 if (strcmp (group->priv->base_uri, base_uri) != 0) {
328 g_free (group->priv->base_uri);
329 group->priv->base_uri = g_strdup (base_uri);
334 readonly_str = xmlGetProp (root, "readonly");
335 readonly = readonly_str && !strcmp (readonly_str, "yes");
336 if (readonly != group->priv->readonly) {
337 group->priv->readonly = readonly;
340 xmlFree (readonly_str);
342 new_sources_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
344 for (nodep = root->children; nodep != NULL; nodep = nodep->next) {
345 ESource *existing_source;
346 char *uid = e_source_uid_from_xml_node (nodep);
351 existing_source = e_source_group_peek_source_by_uid (group, uid);
352 if (g_hash_table_lookup (new_sources_hash, existing_source) != NULL)
355 if (existing_source == NULL) {
356 ESource *new_source = e_source_new_from_xml_node (nodep);
358 if (new_source != NULL) {
359 e_source_set_group (new_source, group);
360 g_signal_connect (new_source, "changed", G_CALLBACK (source_changed_callback), group);
361 new_sources_list = g_slist_prepend (new_sources_list, new_source);
363 g_hash_table_insert (new_sources_hash, new_source, new_source);
365 g_signal_emit (group, signals[SOURCE_ADDED], 0, new_source);
369 gboolean source_changed;
371 group->priv->ignore_source_changed ++;
373 if (e_source_update_from_xml_node (existing_source, nodep, &source_changed)) {
374 new_sources_list = g_slist_prepend (new_sources_list, existing_source);
375 g_object_ref (existing_source);
376 g_hash_table_insert (new_sources_hash, existing_source, existing_source);
382 group->priv->ignore_source_changed --;
388 new_sources_list = g_slist_reverse (new_sources_list);
390 /* Emit "group_removed" and disconnect the "changed" signal for all the
391 groups that we haven't found in the new list. */
392 q = new_sources_list;
393 for (p = group->priv->sources; p != NULL; p = p->next) {
394 ESource *source = E_SOURCE (p->data);
396 if (g_hash_table_lookup (new_sources_hash, source) == NULL) {
399 g_signal_emit (group, signals[SOURCE_REMOVED], 0, source);
400 g_signal_handlers_disconnect_by_func (source, source_changed_callback, group);
403 if (! changed && q != NULL) {
404 if (q->data != p->data)
410 g_hash_table_destroy (new_sources_hash);
412 /* Replace the original group list with the new one. */
413 g_slist_foreach (group->priv->sources, (GFunc) g_object_unref, NULL);
414 g_slist_free (group->priv->sources);
416 group->priv->sources = new_sources_list;
418 /* FIXME if the order changes, the function doesn't notice. */
421 g_signal_emit (group, signals[CHANGED], 0);
422 *changed_return = TRUE;
425 return TRUE; /* Success. */
429 e_source_group_uid_from_xmldoc (xmlDocPtr doc)
431 xmlNodePtr root = doc->children;
435 if (strcmp (root->name, "group") != 0)
438 name = xmlGetProp (root, "uid");
442 retval = g_strdup (name);
448 e_source_group_set_name (ESourceGroup *group,
451 g_return_if_fail (E_IS_SOURCE_GROUP (group));
452 g_return_if_fail (name != NULL);
454 if (group->priv->readonly)
457 if (group->priv->name == name)
460 g_free (group->priv->name);
461 group->priv->name = g_strdup (name);
463 g_signal_emit (group, signals[CHANGED], 0);
466 void e_source_group_set_base_uri (ESourceGroup *group,
467 const char *base_uri)
469 g_return_if_fail (E_IS_SOURCE_GROUP (group));
470 g_return_if_fail (base_uri != NULL);
472 if (group->priv->readonly)
475 if (group->priv->base_uri == base_uri)
478 g_free (group->priv->base_uri);
479 group->priv->base_uri = g_strdup (base_uri);
481 g_signal_emit (group, signals[CHANGED], 0);
484 void e_source_group_set_readonly (ESourceGroup *group,
489 g_return_if_fail (E_IS_SOURCE_GROUP (group));
491 if (group->priv->readonly)
494 if (group->priv->readonly == readonly)
497 group->priv->readonly = readonly;
498 for (i = group->priv->sources; i != NULL; i = i->next)
499 e_source_set_readonly (E_SOURCE (i->data), readonly);
501 g_signal_emit (group, signals[CHANGED], 0);
505 e_source_group_peek_uid (ESourceGroup *group)
507 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL);
509 return group->priv->uid;
513 e_source_group_peek_name (ESourceGroup *group)
515 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL);
517 return group->priv->name;
521 e_source_group_peek_base_uri (ESourceGroup *group)
523 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL);
525 return group->priv->base_uri;
529 e_source_group_get_readonly (ESourceGroup *group)
531 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE);
533 return group->priv->readonly;
537 e_source_group_peek_sources (ESourceGroup *group)
539 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL);
541 return group->priv->sources;
545 e_source_group_peek_source_by_uid (ESourceGroup *group,
550 for (p = group->priv->sources; p != NULL; p = p->next) {
551 if (strcmp (e_source_peek_uid (E_SOURCE (p->data)), uid) == 0)
552 return E_SOURCE (p->data);
559 e_source_group_peek_source_by_name (ESourceGroup *group,
564 for (p = group->priv->sources; p != NULL; p = p->next) {
565 if (strcmp (e_source_peek_name (E_SOURCE (p->data)), name) == 0)
566 return E_SOURCE (p->data);
573 e_source_group_add_source (ESourceGroup *group,
577 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE);
579 if (group->priv->readonly)
582 if (e_source_group_peek_source_by_uid (group, e_source_peek_uid (source)) != NULL)
585 e_source_set_group (source, group);
586 e_source_set_readonly (source, group->priv->readonly);
587 g_object_ref (source);
589 g_signal_connect (source, "changed", G_CALLBACK (source_changed_callback), group);
591 group->priv->sources = g_slist_insert (group->priv->sources, source, position);
592 g_signal_emit (group, signals[SOURCE_ADDED], 0, source);
593 g_signal_emit (group, signals[CHANGED], 0);
599 e_source_group_remove_source (ESourceGroup *group,
604 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE);
605 g_return_val_if_fail (E_IS_SOURCE (source), FALSE);
607 if (group->priv->readonly)
610 for (p = group->priv->sources; p != NULL; p = p->next) {
611 if (E_SOURCE (p->data) == source) {
612 group->priv->sources = g_slist_remove_link (group->priv->sources, p);
613 g_signal_emit (group, signals[SOURCE_REMOVED], 0, source);
614 g_signal_emit (group, signals[CHANGED], 0);
623 e_source_group_remove_source_by_uid (ESourceGroup *group,
628 g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE);
629 g_return_val_if_fail (uid != NULL, FALSE);
631 if (group->priv->readonly)
634 for (p = group->priv->sources; p != NULL; p = p->next) {
635 ESource *source = E_SOURCE (p->data);
637 if (strcmp (e_source_peek_uid (source), uid) == 0) {
638 group->priv->sources = g_slist_remove_link (group->priv->sources, p);
639 g_signal_emit (group, signals[SOURCE_REMOVED], 0, source);
640 g_signal_emit (group, signals[CHANGED], 0);
650 e_source_group_to_xml (ESourceGroup *group)
655 char *returned_buffer;
659 doc = xmlNewDoc ("1.0");
661 root = xmlNewDocNode (doc, NULL, "group", NULL);
662 xmlSetProp (root, "uid", e_source_group_peek_uid (group));
663 xmlSetProp (root, "name", e_source_group_peek_name (group));
664 xmlSetProp (root, "base_uri", e_source_group_peek_base_uri (group));
665 xmlSetProp (root, "readonly", group->priv->readonly ? "yes" : "no");
667 xmlDocSetRootElement (doc, root);
669 for (p = group->priv->sources; p != NULL; p = p->next)
670 e_source_dump_to_xml_node (E_SOURCE (p->data), root);
672 xmlDocDumpMemory (doc, &xml_buffer, &xml_buffer_size);
675 returned_buffer = g_malloc (xml_buffer_size + 1);
676 memcpy (returned_buffer, xml_buffer, xml_buffer_size);
677 returned_buffer [xml_buffer_size] = '\0';
678 xmlFree (xml_buffer);
680 return returned_buffer;