/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) version 3. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with the program; if not, see * * * Authors: * Michael Zucchi * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include "libevolution-utils/e-alert-dialog.h" #include "libemail-utils/mail-mt.h" #include "libemail-engine/mail-folder-cache.h" #include "libemail-engine/e-mail-folder-utils.h" #include "libemail-engine/e-mail-session.h" #include "libemail-engine/e-mail-utils.h" #include "libemail-engine/mail-ops.h" #include "libemail-engine/mail-tools.h" #include #include #include "mail-vfolder.h" #define d(x) /* (printf("%s:%s: ", G_STRLOC, G_STRFUNC), (x))*/ /* Note: Once we completely move mail to EDS, this context wont be available for UI. * and vfoldertypes.xml should be moved here really. */ EMVFolderContext *context; /* context remains open all time */ /* lock for accessing shared resources (below) */ G_LOCK_DEFINE_STATIC (vfolder); static GHashTable *vfolder_hash; /* This is a slightly hacky solution to shutting down, we poll this variable in various * loops, and just quit processing if it is set. */ static volatile gint vfolder_shutdown; /* are we shutting down? */ static void rule_changed (EFilterRule *rule, CamelFolder *folder); /* ********************************************************************** */ static GList * vfolder_get_include_subfolders_uris (EMailSession *session, const gchar *base_uri, GCancellable *cancellable) { GList *uris = NULL; CamelStore *store = NULL; gchar *folder_name = NULL; CamelFolderInfo *fi; const CamelFolderInfo *cur; g_return_val_if_fail (session != NULL, NULL); g_return_val_if_fail (base_uri != NULL, NULL); g_return_val_if_fail (*base_uri == '*', NULL); if (!e_mail_folder_uri_parse (CAMEL_SESSION (session), base_uri + 1, &store, &folder_name, NULL)) return NULL; fi = camel_store_get_folder_info_sync ( store, folder_name, CAMEL_STORE_FOLDER_INFO_RECURSIVE, cancellable, NULL); cur = fi; while (cur) { if ((cur->flags & CAMEL_FOLDER_NOSELECT) == 0) { gchar *fi_uri = e_mail_folder_uri_build (store, cur->full_name); if (fi_uri) uris = g_list_prepend (uris, fi_uri); } /* move to the next fi */ if (cur->child) { cur = cur->child; } else if (cur->next) { cur = cur->next; } else { while (cur && !cur->next) { cur = cur->parent; } if (cur) cur = cur->next; } } if (fi) camel_store_free_folder_info (store, fi); g_object_unref (store); g_free (folder_name); return g_list_reverse (uris); } struct _setup_msg { MailMsg base; EMailSession *session; CamelFolder *folder; gchar *query; GList *sources_uri; }; static gchar * vfolder_setup_desc (struct _setup_msg *m) { return g_strdup_printf ( _("Setting up Search Folder: %s"), camel_folder_get_full_name (m->folder)); } static void vfolder_setup_exec (struct _setup_msg *m, GCancellable *cancellable, GError **error) { GList *l, *list = NULL; CamelFolder *folder; camel_vee_folder_set_expression ((CamelVeeFolder *) m->folder, m->query); for (l = m->sources_uri; l && !vfolder_shutdown && !g_cancellable_is_cancelled (cancellable); l = l->next) { const gchar *uri = l->data; d (printf (" Adding uri: %s\n", uri)); if (!uri || !*uri || !uri[1]) continue; if (*uri == '*') { /* include folder and its subfolders */ GList *uris, *iter; uris = vfolder_get_include_subfolders_uris (m->session, uri, cancellable); for (iter = uris; iter; iter = iter->next) { const gchar *fi_uri = iter->data; folder = e_mail_session_uri_to_folder_sync ( m->session, fi_uri, 0, cancellable, NULL); if (folder != NULL) list = g_list_append (list, folder); } g_list_free_full (uris, g_free); } else { folder = e_mail_session_uri_to_folder_sync (m->session, l->data, 0, cancellable, NULL); if (folder != NULL) list = g_list_append (list, folder); } } if (!vfolder_shutdown && !g_cancellable_is_cancelled (cancellable)) camel_vee_folder_set_folders ((CamelVeeFolder *) m->folder, list, cancellable); g_list_free_full (list, g_object_unref); } static void vfolder_setup_done (struct _setup_msg *m) { } static void vfolder_setup_free (struct _setup_msg *m) { camel_folder_thaw (m->folder); g_object_unref (m->session); g_object_unref (m->folder); g_free (m->query); g_list_free_full (m->sources_uri, g_free); } static MailMsgInfo vfolder_setup_info = { sizeof (struct _setup_msg), (MailMsgDescFunc) vfolder_setup_desc, (MailMsgExecFunc) vfolder_setup_exec, (MailMsgDoneFunc) vfolder_setup_done, (MailMsgFreeFunc) vfolder_setup_free }; /* sources_uri should be camel uri's */ static gint vfolder_setup (EMailSession *session, CamelFolder *folder, const gchar *query, GList *sources_uri) { struct _setup_msg *m; gint id; m = mail_msg_new (&vfolder_setup_info); m->session = g_object_ref (session); m->folder = g_object_ref (folder); m->query = g_strdup (query); m->sources_uri = sources_uri; camel_folder_freeze (m->folder); id = m->base.seq; mail_msg_slow_ordered_push (m); return id; } /* ********************************************************************** */ static void vfolder_add_remove_one (GList *vfolders, gboolean remove, CamelFolder *folder, GCancellable *cancellable) { GList *iter; for (iter = vfolders; iter && !vfolder_shutdown; iter = iter->next) { CamelVeeFolder *vfolder = CAMEL_VEE_FOLDER (iter->data); if (!vfolder) continue; if (remove) camel_vee_folder_remove_folder (vfolder, folder, cancellable); else camel_vee_folder_add_folder (vfolder, folder, cancellable); } } struct _adduri_msg { MailMsg base; EMailSession *session; gchar *uri; GList *folders; gint remove; }; static gchar * vfolder_adduri_desc (struct _adduri_msg *m) { CamelStore *store; CamelService *service; const gchar *display_name; gchar *folder_name; gchar *description; gboolean success; success = e_mail_folder_uri_parse ( CAMEL_SESSION (m->session), m->uri, &store, &folder_name, NULL); if (!success) return NULL; service = CAMEL_SERVICE (store); display_name = camel_service_get_display_name (service); description = g_strdup_printf ( _("Updating Search Folders for '%s' - %s"), display_name, folder_name); g_object_unref (store); g_free (folder_name); return description; } static void vfolder_adduri_exec (struct _adduri_msg *m, GCancellable *cancellable, GError **error) { CamelFolder *folder = NULL; MailFolderCache *folder_cache; if (vfolder_shutdown) return; folder_cache = e_mail_session_get_folder_cache (m->session); /* we dont try lookup the cache if we are removing it, its no longer there */ if (!m->remove && !mail_folder_cache_get_folder_from_uri (folder_cache, m->uri[0] == '*' ? m->uri + 1 : m->uri, NULL)) { g_warning ( "Folder '%s' disappeared while I was " "adding/removing it to/from my vfolder", m->uri); return; } if (m->uri[0] == '*') { GList *uris, *iter; uris = vfolder_get_include_subfolders_uris (m->session, m->uri, cancellable); for (iter = uris; iter; iter = iter->next) { const gchar *fi_uri = iter->data; folder = e_mail_session_uri_to_folder_sync ( m->session, fi_uri, 0, cancellable, NULL); if (folder != NULL) { vfolder_add_remove_one (m->folders, m->remove, folder, cancellable); g_object_unref (folder); } } g_list_free_full (uris, g_free); } else { /* always pick fresh folders - they are * from CamelStore's folders bag anyway */ folder = e_mail_session_uri_to_folder_sync ( m->session, m->uri, 0, cancellable, error); if (folder != NULL) { vfolder_add_remove_one (m->folders, m->remove, folder, cancellable); g_object_unref (folder); } } } static void vfolder_adduri_done (struct _adduri_msg *m) { } static void vfolder_adduri_free (struct _adduri_msg *m) { g_object_unref (m->session); g_list_foreach (m->folders, (GFunc) camel_folder_thaw, NULL); g_list_free_full (m->folders, g_object_unref); g_free (m->uri); } static MailMsgInfo vfolder_adduri_info = { sizeof (struct _adduri_msg), (MailMsgDescFunc) vfolder_adduri_desc, (MailMsgExecFunc) vfolder_adduri_exec, (MailMsgDoneFunc) vfolder_adduri_done, (MailMsgFreeFunc) vfolder_adduri_free }; /* uri should be a camel uri */ static gint vfolder_adduri (EMailSession *session, const gchar *uri, GList *folders, gint remove) { struct _adduri_msg *m; gint id; m = mail_msg_new (&vfolder_adduri_info); m->session = g_object_ref (session); m->folders = folders; m->uri = g_strdup (uri); m->remove = remove; g_list_foreach (m->folders, (GFunc) camel_folder_freeze, NULL); id = m->base.seq; mail_msg_slow_ordered_push (m); return id; } /* ********************************************************************** */ /* so special we never use it */ static gint folder_is_spethal (CamelStore *store, const gchar *folder_name) { /* This is a bit of a hack, but really the only way it can be done * at the moment. */ if (store->flags & CAMEL_STORE_VTRASH) if (g_strcmp0 (folder_name, CAMEL_VTRASH_NAME) == 0) return TRUE; if (store->flags & CAMEL_STORE_VJUNK) if (g_strcmp0 (folder_name, CAMEL_VJUNK_NAME) == 0) return TRUE; return FALSE; } /** * mail_vfolder_add_folder: * @store: a #CamelStore * @folder: a folder name * @remove: whether the folder should be removed or added * * Called when a new folder becomes (un)available. If @store is not a * CamelVeeStore, the folder is added/removed from the list of cached source * folders. Then each vfolder rule is checked to see if the specified folder * matches a source of the rule. It builds a list of vfolders that use (or * would use) the specified folder as a source. It then adds (or removes) * this folder to (from) those vfolders via camel_vee_folder_add/ * remove_folder() but does not modify the actual filters or write changes * to disk. * * NOTE: This function must be called from the main thread. */ static void mail_vfolder_add_folder (CamelStore *store, const gchar *folder_name, gint remove) { CamelService *service; CamelSession *session; EFilterRule *rule; EMVFolderRule *vrule; const gchar *source; CamelVeeFolder *vf; CamelProvider *provider; GList *folders = NULL, *folders_include_subfolders = NULL; gint remote; gchar *uri; g_return_if_fail (CAMEL_IS_STORE (store)); g_return_if_fail (folder_name != NULL); service = CAMEL_SERVICE (store); session = camel_service_get_session (service); provider = camel_service_get_provider (service); remote = (provider->flags & CAMEL_PROVIDER_IS_REMOTE) != 0; if (folder_is_spethal (store, folder_name)) return; g_return_if_fail (mail_in_main_thread ()); uri = e_mail_folder_uri_build (store, folder_name); G_LOCK (vfolder); if (context == NULL) goto done; rule = NULL; while ((rule = e_rule_context_next_rule ((ERuleContext *) context, rule, NULL))) { gint found = FALSE; if (!rule->name) { d (printf ("invalid rule (%p): rule->name is set to NULL\n", rule)); continue; } vrule = (EMVFolderRule *) rule; /* Don't auto-add any sent/drafts folders etc, * they must be explictly listed as a source. */ if (rule->source && !CAMEL_IS_VEE_STORE (store) && ((em_vfolder_rule_get_with (vrule) == EM_VFOLDER_RULE_WITH_LOCAL && !remote) || (em_vfolder_rule_get_with (vrule) == EM_VFOLDER_RULE_WITH_REMOTE_ACTIVE && remote) || (em_vfolder_rule_get_with (vrule) == EM_VFOLDER_RULE_WITH_LOCAL_REMOTE_ACTIVE))) found = TRUE; source = NULL; while (!found && (source = em_vfolder_rule_next_source (vrule, source))) { found = e_mail_folder_uri_equal (session, uri, source); } if (found) { vf = g_hash_table_lookup (vfolder_hash, rule->name); if (!vf) { g_warning ("vf is NULL for %s\n", rule->name); continue; } g_object_ref (vf); if (em_vfolder_rule_source_get_include_subfolders (vrule, uri)) folders_include_subfolders = g_list_prepend (folders_include_subfolders, vf); else folders = g_list_prepend (folders, vf); } } done: G_UNLOCK (vfolder); if (folders != NULL) vfolder_adduri ( E_MAIL_SESSION (session), uri, folders, remove); if (folders_include_subfolders) { gchar *exuri = g_strconcat ("*", uri, NULL); vfolder_adduri ( E_MAIL_SESSION (session), exuri, folders_include_subfolders, remove); g_free (exuri); } g_free (uri); } /** * mail_vfolder_delete_folder: * @store: a #CamelStore * @folder_name: a folder name * * Looks through all vfolder rules to see if @folder_name is listed as a * source for any vfolder rules. If the folder is found in the source for * any rule, it is removed and the user is alerted to the fact that the * vfolder rules have been updated. The new vfolder rules are written * to disk. * * XXX: It doesn't appear that the changes to the vfolder rules are sent * down to the camel level, however. So the actual vfolders will not change * behavior until evolution is restarted (?) * * NOTE: This function must be called from the main thread. */ static void mail_vfolder_delete_folder (CamelStore *store, const gchar *folder_name) { ERuleContext *rule_context; EFilterRule *rule; CamelService *service; CamelSession *session; const gchar *source; CamelVeeFolder *vf; GString *changed; guint changed_count; gchar *uri; g_return_if_fail (CAMEL_IS_STORE (store)); g_return_if_fail (folder_name != NULL); if (folder_is_spethal (store, folder_name)) return; d (printf ("Deleting uri to check: %s\n", uri)); g_return_if_fail (mail_in_main_thread ()); service = CAMEL_SERVICE (store); session = camel_service_get_session (service); uri = e_mail_folder_uri_build (store, folder_name); changed_count = 0; changed = g_string_new (""); G_LOCK (vfolder); if (context == NULL) goto done; rule_context = E_RULE_CONTEXT (context); /* see if any rules directly reference this removed uri */ rule = NULL; while ((rule = e_rule_context_next_rule (rule_context, rule, NULL))) { EMVFolderRule *vf_rule = EM_VFOLDER_RULE (rule); if (!rule->name) continue; source = NULL; while ((source = em_vfolder_rule_next_source (vf_rule, source))) { /* Remove all sources that match, ignore changed events though * because the adduri call above does the work async */ if (e_mail_folder_uri_equal (session, uri, source)) { vf = g_hash_table_lookup ( vfolder_hash, rule->name); if (!vf) { g_warning ("vf is NULL for %s\n", rule->name); continue; } g_signal_handlers_disconnect_matched ( rule, G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, 0, 0, NULL, rule_changed, vf); em_vfolder_rule_remove_source (vf_rule, source); g_signal_connect ( rule, "changed", G_CALLBACK (rule_changed), vf); if (changed_count == 0) { g_string_append (changed, rule->name); } else { if (changed_count == 1) { g_string_prepend (changed, " "); g_string_append (changed, "\n"); } g_string_append_printf ( changed, " %s\n", rule->name); } changed_count++; source = NULL; } } } done: G_UNLOCK (vfolder); if (changed_count > 0) { EAlertSink *alert_sink; const gchar *config_dir; gchar *user, *info; alert_sink = mail_msg_get_alert_sink (); info = g_strdup_printf (ngettext ( /* Translators: The first %s is name of the affected * search folder(s), the second %s is the URI of the * removed folder. For more than one search folder is * each of them on a separate line, with four spaces * in front of its name, without quotes. */ "The Search Folder \"%s\" has been modified to " "account for the deleted folder\n\"%s\".", "The following Search Folders\n%s have been modified " "to account for the deleted folder\n\"%s\".", changed_count), changed->str, uri); e_alert_submit ( alert_sink, "mail:vfolder-updated", info, NULL); g_free (info); config_dir = mail_session_get_config_dir (); user = g_build_filename (config_dir, "vfolders.xml", NULL); e_rule_context_save ((ERuleContext *) context, user); g_free (user); } g_string_free (changed, TRUE); g_free (uri); } /* called when a uri is renamed in a store */ static void mail_vfolder_rename_folder (CamelStore *store, const gchar *old_folder_name, const gchar *new_folder_name) { ERuleContext *rule_context; EFilterRule *rule; const gchar *source; CamelVeeFolder *vf; CamelService *service; CamelSession *session; gint changed = 0; gchar *old_uri; gchar *new_uri; d (printf ("vfolder rename uri: %s to %s\n", cfrom, cto)); if (context == NULL) return; if (folder_is_spethal (store, old_folder_name)) return; if (folder_is_spethal (store, new_folder_name)) return; g_return_if_fail (mail_in_main_thread ()); service = CAMEL_SERVICE (store); session = camel_service_get_session (service); old_uri = e_mail_folder_uri_build (store, old_folder_name); new_uri = e_mail_folder_uri_build (store, new_folder_name); G_LOCK (vfolder); rule_context = E_RULE_CONTEXT (context); /* see if any rules directly reference this removed uri */ rule = NULL; while ((rule = e_rule_context_next_rule (rule_context, rule, NULL))) { EMVFolderRule *vf_rule = EM_VFOLDER_RULE (rule); source = NULL; while ((source = em_vfolder_rule_next_source (vf_rule, source))) { /* Remove all sources that match, ignore changed events though * because the adduri call above does the work async */ if (e_mail_folder_uri_equal (session, old_uri, source)) { vf = g_hash_table_lookup (vfolder_hash, rule->name); if (!vf) { g_warning ("vf is NULL for %s\n", rule->name); continue; } g_signal_handlers_disconnect_matched ( rule, G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, 0, 0, NULL, rule_changed, vf); em_vfolder_rule_remove_source (vf_rule, source); em_vfolder_rule_add_source (vf_rule, new_uri); g_signal_connect ( vf_rule, "changed", G_CALLBACK (rule_changed), vf); changed++; source = NULL; } } } G_UNLOCK (vfolder); if (changed) { const gchar *config_dir; gchar *user; d (printf ("Vfolders updated from renamed folder\n")); config_dir = mail_session_get_config_dir (); user = g_build_filename (config_dir, "vfolders.xml", NULL); e_rule_context_save ((ERuleContext *) context, user); g_free (user); } g_free (old_uri); g_free (new_uri); } /* ********************************************************************** */ static void context_rule_added (ERuleContext *ctx, EFilterRule *rule, EMailSession *session); static void rule_add_sources (EMailSession *session, GQueue *queue, GList **sources_urip, EMVFolderRule *rule) { GList *sources_uri = *sources_urip; MailFolderCache *folder_cache; GList *head, *link; folder_cache = e_mail_session_get_folder_cache (session); head = g_queue_peek_head_link (queue); for (link = head; link != NULL; link = g_list_next (link)) { const gchar *uri = link->data; /* always pick fresh folders - they are * from CamelStore's folders bag anyway */ if (mail_folder_cache_get_folder_from_uri (folder_cache, uri, NULL)) { /* "tag" uris with subfolders with a star prefix */ if (!rule || !em_vfolder_rule_source_get_include_subfolders (rule, uri)) sources_uri = g_list_prepend (sources_uri, g_strdup (uri)); else sources_uri = g_list_prepend (sources_uri, g_strconcat ("*", uri, NULL)); } } *sources_urip = sources_uri; } static EMailSession * get_session (CamelFolder *folder) { CamelStore *store; store = camel_folder_get_parent_store (folder); return (EMailSession *) camel_service_get_session (CAMEL_SERVICE (store)); } static void rule_changed (EFilterRule *rule, CamelFolder *folder) { EMailSession *session; CamelService *service; GList *sources_uri = NULL; GString *query; const gchar *full_name; full_name = camel_folder_get_full_name (folder); session = get_session (folder); service = camel_session_ref_service ( CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID); g_return_if_fail (service != NULL); /* If the folder has changed name, then * add it, then remove the old manually. */ if (strcmp (full_name, rule->name) != 0) { gchar *oldname; gpointer key; gpointer oldfolder; G_LOCK (vfolder); if (g_hash_table_lookup_extended ( vfolder_hash, full_name, &key, &oldfolder)) { g_hash_table_remove (vfolder_hash, key); g_free (key); g_hash_table_insert ( vfolder_hash, g_strdup (rule->name), folder); G_UNLOCK (vfolder); } else { G_UNLOCK (vfolder); g_warning ( "couldn't find a vfolder rule " "in our table? %s", full_name); } oldname = g_strdup (full_name); /* FIXME Not passing a GCancellable or GError. */ camel_store_rename_folder_sync ( CAMEL_STORE (service), oldname, rule->name, NULL, NULL); g_free (oldname); } g_object_unref (service); service = NULL; d (printf ("Filter rule changed? for folder '%s'!!\n", folder->name)); camel_vee_folder_set_auto_update ( CAMEL_VEE_FOLDER (folder), em_vfolder_rule_get_autoupdate ((EMVFolderRule *) rule)); if (em_vfolder_rule_get_with ((EMVFolderRule *) rule) == EM_VFOLDER_RULE_WITH_SPECIFIC) { /* find any (currently available) folders, and add them to the ones to open */ rule_add_sources ( session, em_vfolder_rule_get_sources ((EMVFolderRule *) rule), &sources_uri, (EMVFolderRule *) rule); } G_LOCK (vfolder); if (em_vfolder_rule_get_with ((EMVFolderRule *) rule) == EM_VFOLDER_RULE_WITH_LOCAL || em_vfolder_rule_get_with ((EMVFolderRule *) rule) == EM_VFOLDER_RULE_WITH_LOCAL_REMOTE_ACTIVE) { MailFolderCache *cache; GQueue queue = G_QUEUE_INIT; cache = e_mail_session_get_folder_cache (session); mail_folder_cache_get_local_folder_uris (cache, &queue); rule_add_sources (session, &queue, &sources_uri, NULL); while (!g_queue_is_empty (&queue)) g_free (g_queue_pop_head (&queue)); } if (em_vfolder_rule_get_with ((EMVFolderRule *) rule) == EM_VFOLDER_RULE_WITH_REMOTE_ACTIVE || em_vfolder_rule_get_with ((EMVFolderRule *) rule) == EM_VFOLDER_RULE_WITH_LOCAL_REMOTE_ACTIVE) { MailFolderCache *cache; GQueue queue = G_QUEUE_INIT; cache = e_mail_session_get_folder_cache (session); mail_folder_cache_get_remote_folder_uris (cache, &queue); rule_add_sources (session, &queue, &sources_uri, NULL); while (!g_queue_is_empty (&queue)) g_free (g_queue_pop_head (&queue)); } G_UNLOCK (vfolder); query = g_string_new (""); e_filter_rule_build_code (rule, query); vfolder_setup (session, folder, query->str, sources_uri); g_string_free (query, TRUE); } static void context_rule_added (ERuleContext *ctx, EFilterRule *rule, EMailSession *session) { CamelFolder *folder; CamelService *service; d (printf ("rule added: %s\n", rule->name)); service = camel_session_ref_service ( CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID); g_return_if_fail (service != NULL); /* this always runs quickly */ /* FIXME Not passing a GCancellable or GError. */ folder = camel_store_get_folder_sync ( CAMEL_STORE (service), rule->name, 0, NULL, NULL); if (folder) { g_signal_connect ( rule, "changed", G_CALLBACK (rule_changed), folder); G_LOCK (vfolder); g_hash_table_insert (vfolder_hash, g_strdup (rule->name), folder); G_UNLOCK (vfolder); rule_changed (rule, folder); } g_object_unref (service); } static void context_rule_removed (ERuleContext *ctx, EFilterRule *rule, EMailSession *session) { CamelService *service; gpointer key, folder = NULL; d (printf ("rule removed; %s\n", rule->name)); service = camel_session_ref_service ( CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID); g_return_if_fail (service != NULL); /* TODO: remove from folder info cache? */ G_LOCK (vfolder); if (g_hash_table_lookup_extended (vfolder_hash, rule->name, &key, &folder)) { g_hash_table_remove (vfolder_hash, key); g_free (key); } G_UNLOCK (vfolder); /* FIXME Not passing a GCancellable or GError. */ camel_store_delete_folder_sync ( CAMEL_STORE (service), rule->name, NULL, NULL); /* this must be unref'd after its deleted */ if (folder) g_object_unref ((CamelFolder *) folder); g_object_unref (service); } static void store_folder_deleted_cb (CamelStore *store, CamelFolderInfo *info) { EFilterRule *rule; gchar *user; d (printf ("Folder deleted: %s\n", info->name)); /* Unmatched folder doesn't have any rule */ if (g_strcmp0 (CAMEL_UNMATCHED_NAME, info->full_name) == 0) return; /* Warning not thread safe, but might be enough */ G_LOCK (vfolder); /* delete it from our list */ rule = e_rule_context_find_rule ((ERuleContext *) context, info->full_name, NULL); if (rule) { const gchar *config_dir; EMailSession *session = E_MAIL_SESSION (camel_service_get_session (CAMEL_SERVICE (store))); /* We need to stop listening to removed events, * otherwise we'll try and remove it again. */ g_signal_handlers_disconnect_matched ( context, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, context_rule_removed, NULL); e_rule_context_remove_rule ((ERuleContext *) context, rule); g_object_unref (rule); g_signal_connect ( context, "rule_removed", G_CALLBACK (context_rule_removed), session); config_dir = mail_session_get_config_dir (); user = g_build_filename (config_dir, "vfolders.xml", NULL); e_rule_context_save ((ERuleContext *) context, user); g_free (user); } else { g_warning ( "Cannot find rule for deleted vfolder '%s'", info->display_name); } G_UNLOCK (vfolder); } static void store_folder_renamed_cb (CamelStore *store, const gchar *old_name, CamelFolderInfo *info) { EFilterRule *rule; gchar *user; gpointer key, folder; /* This should be more-or-less thread-safe */ d (printf ("Folder renamed to '%s' from '%s'\n", info->full_name, old_name)); /* Folder is already renamed? */ G_LOCK (vfolder); d (printf ("Changing folder name in hash table to '%s'\n", info->full_name)); if (g_hash_table_lookup_extended (vfolder_hash, old_name, &key, &folder)) { const gchar *config_dir; g_hash_table_remove (vfolder_hash, key); g_free (key); g_hash_table_insert (vfolder_hash, g_strdup (info->full_name), folder); rule = e_rule_context_find_rule ((ERuleContext *) context, old_name, NULL); if (!rule) { G_UNLOCK (vfolder); g_warning ("Rule shouldn't be NULL\n"); return; } g_signal_handlers_disconnect_matched ( rule, G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, 0, 0, NULL, rule_changed, folder); e_filter_rule_set_name (rule, info->full_name); g_signal_connect ( rule, "changed", G_CALLBACK (rule_changed), folder); config_dir = mail_session_get_config_dir (); user = g_build_filename (config_dir, "vfolders.xml", NULL); e_rule_context_save ((ERuleContext *) context, user); g_free (user); G_UNLOCK (vfolder); } else { G_UNLOCK (vfolder); g_warning ("couldn't find a vfolder rule in our table? %s", info->full_name); } } static void folder_available_cb (MailFolderCache *cache, CamelStore *store, const gchar *folder_name) { mail_vfolder_add_folder (store, folder_name, FALSE); } static void folder_unavailable_cb (MailFolderCache *cache, CamelStore *store, const gchar *folder_name) { mail_vfolder_add_folder (store, folder_name, TRUE); } static void folder_deleted_cb (MailFolderCache *cache, CamelStore *store, const gchar *folder_name) { mail_vfolder_delete_folder (store, folder_name); } static void folder_renamed_cb (MailFolderCache *cache, CamelStore *store, const gchar *old_folder_name, const gchar *new_folder_name, gpointer user_data) { mail_vfolder_rename_folder (store, old_folder_name, new_folder_name); } void vfolder_load_storage (EMailSession *session) { /* lock for loading storage, it is safe to call it more than once */ G_LOCK_DEFINE_STATIC (vfolder_hash); CamelStore *vfolder_store; const gchar *config_dir; gchar *user; EFilterRule *rule; MailFolderCache *folder_cache; gchar *xmlfile; G_LOCK (vfolder_hash); if (vfolder_hash) { /* we have already initialized */ G_UNLOCK (vfolder_hash); return; } vfolder_hash = g_hash_table_new (g_str_hash, g_str_equal); G_UNLOCK (vfolder_hash); config_dir = mail_session_get_config_dir (); vfolder_store = e_mail_session_get_vfolder_store (session); g_signal_connect ( vfolder_store, "folder-deleted", G_CALLBACK (store_folder_deleted_cb), NULL); g_signal_connect ( vfolder_store, "folder-renamed", G_CALLBACK (store_folder_renamed_cb), NULL); /* load our rules */ user = g_build_filename (config_dir, "vfolders.xml", NULL); /* This needs editor context which is only in the mail/. But really to run here we dont need editor context. * So till we split this to EDS, we would let mail/ create this and later one it is any ways two separate * contexts. */ context = e_mail_session_create_vfolder_context (session); xmlfile = g_build_filename (EVOLUTION_PRIVDATADIR, "vfoldertypes.xml", NULL); if (e_rule_context_load ((ERuleContext *) context, xmlfile, user) != 0) { g_warning ("cannot load vfolders: %s\n", ((ERuleContext *) context)->error); } g_free (xmlfile); g_free (user); g_signal_connect ( context, "rule_added", G_CALLBACK (context_rule_added), session); g_signal_connect ( context, "rule_removed", G_CALLBACK (context_rule_removed), session); /* and setup the rules we have */ rule = NULL; while ((rule = e_rule_context_next_rule ((ERuleContext *) context, rule, NULL))) { if (rule->name) { d (printf ("rule added: %s\n", rule->name)); context_rule_added ((ERuleContext *) context, rule, session); } else { d (printf ("invalid rule (%p) encountered: rule->name is NULL\n", rule)); } } folder_cache = e_mail_session_get_folder_cache (session); g_signal_connect ( folder_cache, "folder-available", G_CALLBACK (folder_available_cb), NULL); g_signal_connect ( folder_cache, "folder-unavailable", G_CALLBACK (folder_unavailable_cb), NULL); g_signal_connect ( folder_cache, "folder-deleted", G_CALLBACK (folder_deleted_cb), NULL); g_signal_connect ( folder_cache, "folder-renamed", G_CALLBACK (folder_renamed_cb), NULL); } static void vfolder_foreach_cb (gpointer key, gpointer data, gpointer user_data) { CamelFolder *folder = CAMEL_FOLDER (data); if (folder) g_object_unref (folder); g_free (key); } void mail_vfolder_shutdown (void) { vfolder_shutdown = 1; if (vfolder_hash) { g_hash_table_foreach (vfolder_hash, vfolder_foreach_cb, NULL); g_hash_table_destroy (vfolder_hash); vfolder_hash = NULL; } if (context) { g_object_unref (context); context = NULL; } }