diff options
Diffstat (limited to 'e-util/e-source-group.c')
| -rw-r--r-- | e-util/e-source-group.c | 605 |
1 files changed, 0 insertions, 605 deletions
diff --git a/e-util/e-source-group.c b/e-util/e-source-group.c deleted file mode 100644 index 5fb5a97b23..0000000000 --- a/e-util/e-source-group.c +++ /dev/null @@ -1,605 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-source-group.c - * - * Copyright (C) 2003 Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * 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 along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - * Author: Ettore Perazzoli <ettore@ximian.com> - */ - -#include <config.h> - -#include "e-source-group.h" - -#include "e-uid.h" -#include "e-util-marshal.h" - -#include <gal/util/e-util.h> - -#include <string.h> - -#define PARENT_TYPE G_TYPE_OBJECT -static GObjectClass *parent_class = NULL; - - -/* Private members. */ - -struct _ESourceGroupPrivate { - char *uid; - char *name; - char *base_uri; - - GSList *sources; - - gboolean ignore_source_changed; -}; - - -/* Signals. */ - -enum { - CHANGED, - SOURCE_REMOVED, - SOURCE_ADDED, - LAST_SIGNAL -}; -static unsigned int signals[LAST_SIGNAL] = { 0 }; - - -/* Callbacks. */ - -static void -source_changed_callback (ESource *source, - ESourceGroup *group) -{ - if (! group->priv->ignore_source_changed) - g_signal_emit (group, signals[CHANGED], 0); -} - - -/* GObject methods. */ - -static void -impl_dispose (GObject *object) -{ - ESourceGroupPrivate *priv = E_SOURCE_GROUP (object)->priv; - - if (priv->sources != NULL) { - GSList *p; - - for (p = priv->sources; p != NULL; p = p->next) { - ESource *source = E_SOURCE (p->data); - - g_signal_handlers_disconnect_by_func (source, - G_CALLBACK (source_changed_callback), - object); - g_object_unref (source); - } - - g_slist_free (priv->sources); - priv->sources = NULL; - } - - (* G_OBJECT_CLASS (parent_class)->dispose) (object); -} - -static void -impl_finalize (GObject *object) -{ - ESourceGroupPrivate *priv = E_SOURCE_GROUP (object)->priv; - - g_free (priv->uid); - g_free (priv->name); - g_free (priv->base_uri); - g_free (priv); - - (* G_OBJECT_CLASS (parent_class)->finalize) (object); -} - - -/* Initialization. */ - -static void -class_init (ESourceGroupClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - - object_class->dispose = impl_dispose; - object_class->finalize = impl_finalize; - - parent_class = g_type_class_peek_parent (class); - - signals[CHANGED] = - g_signal_new ("changed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ESourceGroupClass, changed), - NULL, NULL, - e_util_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[SOURCE_ADDED] = - g_signal_new ("source_added", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ESourceGroupClass, source_added), - NULL, NULL, - e_util_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - G_TYPE_OBJECT); - signals[SOURCE_REMOVED] = - g_signal_new ("source_removed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ESourceGroupClass, source_removed), - NULL, NULL, - e_util_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - G_TYPE_OBJECT); -} - -static void -init (ESourceGroup *source_group) -{ - ESourceGroupPrivate *priv; - - priv = g_new0 (ESourceGroupPrivate, 1); - source_group->priv = priv; -} - - -/* Public methods. */ - -ESourceGroup * -e_source_group_new (const char *name, - const char *base_uri) -{ - ESourceGroup *new; - - g_return_val_if_fail (name != NULL, NULL); - g_return_val_if_fail (base_uri != NULL, NULL); - - new = g_object_new (e_source_group_get_type (), NULL); - new->priv->uid = e_uid_new (); - - e_source_group_set_name (new, name); - e_source_group_set_base_uri (new, base_uri); - - return new; -} - -ESourceGroup * -e_source_group_new_from_xml (const char *xml) -{ - xmlDocPtr doc; - ESourceGroup *group; - - doc = xmlParseDoc ((char *) xml); - if (doc == NULL) - return NULL; - - group = e_source_group_new_from_xmldoc (doc); - xmlFreeDoc (doc); - - return group; -} - -ESourceGroup * -e_source_group_new_from_xmldoc (xmlDocPtr doc) -{ - xmlNodePtr root, p; - xmlChar *uid; - xmlChar *name; - xmlChar *base_uri; - ESourceGroup *new = NULL; - - g_return_val_if_fail (doc != NULL, NULL); - - root = doc->children; - if (strcmp (root->name, "group") != 0) - return NULL; - - uid = xmlGetProp (root, "uid"); - name = xmlGetProp (root, "name"); - base_uri = xmlGetProp (root, "base_uri"); - - if (uid == NULL || name == NULL || base_uri == NULL) - goto done; - - new = g_object_new (e_source_group_get_type (), NULL); - new->priv->uid = g_strdup (uid); - - e_source_group_set_name (new, name); - e_source_group_set_base_uri (new, base_uri); - - for (p = root->children; p != NULL; p = p->next) { - ESource *new_source = e_source_new_from_xml_node (p); - e_source_group_add_source (new, new_source, -1); - } - - done: - if (name != NULL) - xmlFree (name); - if (base_uri != NULL) - xmlFree (base_uri); - return new; -} - -gboolean -e_source_group_update_from_xml (ESourceGroup *group, - const char *xml, - gboolean *changed_return) -{ - xmlDocPtr xmldoc; - gboolean success; - - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE); - g_return_val_if_fail (xml != NULL, FALSE); - - xmldoc = xmlParseDoc ((char *) xml); - - success = e_source_group_update_from_xmldoc (group, xmldoc, changed_return); - - xmlFreeDoc (xmldoc); - - return success; -} - -gboolean -e_source_group_update_from_xmldoc (ESourceGroup *group, - xmlDocPtr doc, - gboolean *changed_return) -{ - GHashTable *new_sources_hash; - GSList *new_sources_list = NULL; - xmlNodePtr root, nodep; - xmlChar *name, *base_uri; - gboolean changed = FALSE; - GSList *p, *q; - - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE); - g_return_val_if_fail (doc != NULL, FALSE); - - *changed_return = FALSE; - - root = doc->children; - if (strcmp (root->name, "group") != 0) - return FALSE; - - name = xmlGetProp (root, "name"); - if (name == NULL) - return FALSE; - - base_uri = xmlGetProp (root, "base_uri"); - if (base_uri == NULL) { - xmlFree (name); - return FALSE; - } - - if (strcmp (group->priv->name, name) != 0) { - g_free (group->priv->name); - group->priv->name = g_strdup (name); - changed = TRUE; - } - xmlFree (name); - - if (strcmp (group->priv->base_uri, base_uri) != 0) { - g_free (group->priv->base_uri); - group->priv->base_uri = g_strdup (base_uri); - changed = TRUE; - } - xmlFree (base_uri); - - new_sources_hash = g_hash_table_new (g_direct_hash, g_direct_equal); - - for (nodep = root->children; nodep != NULL; nodep = nodep->next) { - ESource *existing_source; - char *uid = e_source_uid_from_xml_node (nodep); - - if (uid == NULL) - continue; - - existing_source = e_source_group_peek_source_by_uid (group, uid); - if (g_hash_table_lookup (new_sources_hash, existing_source) != NULL) - continue; - - if (existing_source == NULL) { - ESource *new_source = e_source_new_from_xml_node (nodep); - - if (new_source != NULL) { - e_source_set_group (new_source, group); - g_signal_connect (new_source, "changed", G_CALLBACK (source_changed_callback), group); - new_sources_list = g_slist_prepend (new_sources_list, new_source); - - g_hash_table_insert (new_sources_hash, new_source, new_source); - - g_signal_emit (group, signals[SOURCE_ADDED], 0, new_source); - changed = TRUE; - } - } else { - gboolean source_changed; - - group->priv->ignore_source_changed ++; - - if (e_source_update_from_xml_node (existing_source, nodep, &source_changed)) { - new_sources_list = g_slist_prepend (new_sources_list, existing_source); - g_object_ref (existing_source); - g_hash_table_insert (new_sources_hash, existing_source, existing_source); - - if (source_changed) - changed = TRUE; - } - - group->priv->ignore_source_changed --; - } - - g_free (uid); - } - - new_sources_list = g_slist_reverse (new_sources_list); - - /* Emit "group_removed" and disconnect the "changed" signal for all the - groups that we haven't found in the new list. */ - q = new_sources_list; - for (p = group->priv->sources; p != NULL; p = p->next) { - ESource *source = E_SOURCE (p->data); - - if (g_hash_table_lookup (new_sources_hash, source) == NULL) { - changed = TRUE; - - g_signal_emit (group, signals[SOURCE_REMOVED], 0, source); - g_signal_handlers_disconnect_by_func (source, source_changed_callback, group); - } - - if (! changed && q != NULL) { - if (q->data != p->data) - changed = TRUE; - q = q->next; - } - } - - g_hash_table_destroy (new_sources_hash); - - /* Replace the original group list with the new one. */ - g_slist_foreach (group->priv->sources, (GFunc) g_object_unref, NULL); - g_slist_free (group->priv->sources); - - group->priv->sources = new_sources_list; - - /* FIXME if the order changes, the function doesn't notice. */ - - if (changed) { - g_signal_emit (group, signals[CHANGED], 0); - *changed_return = TRUE; - } - - return TRUE; /* Success. */ -} - -char * -e_source_group_uid_from_xmldoc (xmlDocPtr doc) -{ - xmlNodePtr root = doc->children; - xmlChar *name; - char *retval; - - if (strcmp (root->name, "group") != 0) - return NULL; - - name = xmlGetProp (root, "uid"); - if (name == NULL) - return NULL; - - retval = g_strdup (name); - xmlFree (name); - return retval; -} - -void -e_source_group_set_name (ESourceGroup *group, - const char *name) -{ - g_return_if_fail (E_IS_SOURCE_GROUP (group)); - g_return_if_fail (name != NULL); - - if (group->priv->name == name) - return; - - g_free (group->priv->name); - group->priv->name = g_strdup (name); - - g_signal_emit (group, signals[CHANGED], 0); -} - -void e_source_group_set_base_uri (ESourceGroup *group, - const char *base_uri) -{ - g_return_if_fail (E_IS_SOURCE_GROUP (group)); - g_return_if_fail (base_uri != NULL); - - if (group->priv->base_uri == base_uri) - return; - - g_free (group->priv->base_uri); - group->priv->base_uri = g_strdup (base_uri); - - g_signal_emit (group, signals[CHANGED], 0); -} - - -const char * -e_source_group_peek_uid (ESourceGroup *group) -{ - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL); - - return group->priv->uid; -} - -const char * -e_source_group_peek_name (ESourceGroup *group) -{ - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL); - - return group->priv->name; -} - -const char * -e_source_group_peek_base_uri (ESourceGroup *group) -{ - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL); - - return group->priv->base_uri; -} - - -GSList * -e_source_group_peek_sources (ESourceGroup *group) -{ - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), NULL); - - return group->priv->sources; -} - -ESource * -e_source_group_peek_source_by_uid (ESourceGroup *group, - const char *uid) -{ - GSList *p; - - for (p = group->priv->sources; p != NULL; p = p->next) { - if (strcmp (e_source_peek_uid (E_SOURCE (p->data)), uid) == 0) - return E_SOURCE (p->data); - } - - return NULL; -} - -ESource * -e_source_group_peek_source_by_name (ESourceGroup *group, - const char *name) -{ - GSList *p; - - for (p = group->priv->sources; p != NULL; p = p->next) { - if (strcmp (e_source_peek_name (E_SOURCE (p->data)), name) == 0) - return E_SOURCE (p->data); - } - - return NULL; -} - -gboolean -e_source_group_add_source (ESourceGroup *group, - ESource *source, - int position) -{ - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE); - - if (e_source_group_peek_source_by_uid (group, e_source_peek_uid (source)) != NULL) - return FALSE; - - e_source_set_group (source, group); - g_object_ref (source); - - g_signal_connect (source, "changed", G_CALLBACK (source_changed_callback), group); - - group->priv->sources = g_slist_insert (group->priv->sources, source, position); - g_signal_emit (group, signals[SOURCE_ADDED], 0, source); - g_signal_emit (group, signals[CHANGED], 0); - - return TRUE; -} - -gboolean -e_source_group_remove_source (ESourceGroup *group, - ESource *source) -{ - GSList *p; - - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE); - g_return_val_if_fail (E_IS_SOURCE (source), FALSE); - - for (p = group->priv->sources; p != NULL; p = p->next) { - if (E_SOURCE (p->data) == source) { - group->priv->sources = g_slist_remove_link (group->priv->sources, p); - g_signal_emit (group, signals[SOURCE_REMOVED], 0, source); - g_signal_emit (group, signals[CHANGED], 0); - return TRUE; - } - } - - return FALSE; -} - -gboolean -e_source_group_remove_source_by_uid (ESourceGroup *group, - const char *uid) -{ - GSList *p; - - g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE); - g_return_val_if_fail (uid != NULL, FALSE); - - for (p = group->priv->sources; p != NULL; p = p->next) { - ESource *source = E_SOURCE (p->data); - - if (strcmp (e_source_peek_uid (source), uid) == 0) { - group->priv->sources = g_slist_remove_link (group->priv->sources, p); - g_signal_emit (group, signals[SOURCE_REMOVED], 0, source); - g_signal_emit (group, signals[CHANGED], 0); - return TRUE; - } - } - - return FALSE; -} - - -char * -e_source_group_to_xml (ESourceGroup *group) -{ - xmlDocPtr doc; - xmlNodePtr root; - xmlChar *xml_buffer; - char *returned_buffer; - int xml_buffer_size; - GSList *p; - - doc = xmlNewDoc ("1.0"); - - root = xmlNewDocNode (doc, NULL, "group", NULL); - xmlSetProp (root, "uid", e_source_group_peek_uid (group)); - xmlSetProp (root, "name", e_source_group_peek_name (group)); - xmlSetProp (root, "base_uri", e_source_group_peek_base_uri (group)); - - xmlDocSetRootElement (doc, root); - - for (p = group->priv->sources; p != NULL; p = p->next) - e_source_dump_to_xml_node (E_SOURCE (p->data), root); - - xmlDocDumpMemory (doc, &xml_buffer, &xml_buffer_size); - xmlFreeDoc (doc); - - returned_buffer = g_malloc (xml_buffer_size + 1); - memcpy (returned_buffer, xml_buffer, xml_buffer_size); - returned_buffer [xml_buffer_size] = '\0'; - xmlFree (xml_buffer); - - return returned_buffer; -} - - -E_MAKE_TYPE (e_source_group, "ESourceGroup", ESourceGroup, class_init, init, PARENT_TYPE) |