/* * 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) * */ #include #include #include #include #include #include "e-util/e-alert-dialog.h" #include "e-util/e-util-private.h" #include "e-util/e-account-utils.h" #include "e-mail-backend.h" #include "e-mail-session.h" #include "em-folder-tree-model.h" #include "em-utils.h" #include "em-vfolder-context.h" #include "em-vfolder-editor.h" #include "em-vfolder-rule.h" #include "mail-autofilter.h" #include "mail-folder-cache.h" #include "mail-mt.h" #include "mail-ops.h" #include "mail-tools.h" #include "mail-vfolder.h" #include "e-mail-local.h" #include "e-mail-store.h" #define d(x) /* (printf("%s:%s: ", G_STRLOC, G_STRFUNC), (x))*/ static EMVFolderContext *context; /* context remains open all time */ CamelStore *vfolder_store; /* the 1 static vfolder store */ /* lock for accessing shared resources (below) */ G_LOCK_DEFINE_STATIC (vfolder); static GList *source_folders_remote; /* list of source folder uri's - remote ones */ static GList *source_folders_local; /* list of source folder uri's - local ones */ 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); /* ********************************************************************** */ struct _setup_msg { MailMsg base; EMailSession *session; CamelFolder *folder; gchar *query; GList *sources_uri; GList *sources_folder; }; 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); l = m->sources_uri; while (l && !vfolder_shutdown) { d(printf(" Adding uri: %s\n", (gchar *)l->data)); /* FIXME Not passing a GCancellable or GError here. */ folder = e_mail_session_uri_to_folder_sync ( m->session, l->data, 0, NULL, NULL); if (folder != NULL) list = g_list_append (list, folder); l = l->next; } l = m->sources_folder; while (l && !vfolder_shutdown) { g_object_ref (l->data); list = g_list_append (list, l->data); l = l->next; } if (!vfolder_shutdown) camel_vee_folder_set_folders ((CamelVeeFolder *)m->folder, list); l = list; while (l) { g_object_unref (l->data); l = l->next; } g_list_free (list); } static void vfolder_setup_done (struct _setup_msg *m) { } static void vfolder_setup_free (struct _setup_msg *m) { GList *l; g_object_unref (m->session); g_object_unref (m->folder); g_free (m->query); l = m->sources_uri; while (l) { g_free (l->data); l = l->next; } g_list_free (m->sources_uri); l = m->sources_folder; while (l) { g_object_unref (l->data); l = l->next; } g_list_free (m->sources_folder); } 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, GList *sources_folder) { 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; m->sources_folder = sources_folder; id = m->base.seq; mail_msg_slow_ordered_push (m); return id; } /* ********************************************************************** */ struct _adduri_msg { MailMsg base; EMailSession *session; gchar *uri; GList *folders; gint remove; }; static gchar * vfolder_adduri_desc (struct _adduri_msg *m) { gchar *euri, *desc = NULL; /* Yuck yuck. Lookup the account name and use that to describe the path */ /* We really need to normalise this across all of camel and evolution :-/ */ euri = em_uri_from_camel (m->uri); if (euri) { CamelURL *url = camel_url_new (euri, NULL); if (url) { const gchar *loc = NULL; if (url->host && !strcmp(url->host, "local") && url->user && !strcmp(url->user, "local")) { loc = _("On This Computer"); } else { gchar *uid; const EAccount *account; if (url->user == NULL) uid = g_strdup (url->host); else uid = g_strdup_printf("%s@%s", url->user, url->host); account = e_get_account_by_uid (uid); g_free (uid); if (account != NULL) loc = account->name; } if (loc && url->path) desc = g_strdup_printf(_("Updating Search Folders for '%s:%s'"), loc, url->path); camel_url_free (url); } g_free (euri); } if (desc == NULL) desc = g_strdup_printf(_("Updating Search Folders for '%s'"), m->uri); return desc; } static void vfolder_adduri_exec (struct _adduri_msg *m, GCancellable *cancellable, GError **error) { GList *l; 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, &folder)) { g_warning("Folder '%s' disappeared while I was adding/remove it to/from my vfolder", m->uri); return; } if (folder == NULL) folder = e_mail_session_uri_to_folder_sync ( m->session, m->uri, 0, cancellable, error); if (folder != NULL) { l = m->folders; while (l && !vfolder_shutdown) { if (m->remove) camel_vee_folder_remove_folder ( CAMEL_VEE_FOLDER (l->data), folder); else camel_vee_folder_add_folder ((CamelVeeFolder *)l->data, folder); l = l->next; } 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)g_object_unref, NULL); g_list_free (m->folders); 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; id = m->base.seq; mail_msg_slow_ordered_push (m); return id; } /* ********************************************************************** */ static GList * mv_find_folder (GList *l, CamelStore *store, const gchar *uri) { while (l) { if (camel_store_folder_uri_equal (store, l->data, uri)) break; l = l->next; } return l; } /* uri is a camel uri */ static gint uri_is_ignore (CamelStore *store, const gchar *uri) { EAccountList *accounts; EAccount *account; EIterator *iter; const gchar *local_drafts_uri; const gchar *local_outbox_uri; const gchar *local_sent_uri; gint found = FALSE; local_drafts_uri = e_mail_local_get_folder_uri (E_MAIL_LOCAL_FOLDER_DRAFTS); local_outbox_uri = e_mail_local_get_folder_uri (E_MAIL_LOCAL_FOLDER_OUTBOX); local_sent_uri = e_mail_local_get_folder_uri (E_MAIL_LOCAL_FOLDER_SENT); d(printf("checking '%s' against:\n %s\n %s\n %s\n", uri, local_outbox_uri, local_sent_uri, local_drafts_uri)); found = camel_store_folder_uri_equal (store, local_outbox_uri, uri) || camel_store_folder_uri_equal (store, local_sent_uri, uri) || camel_store_folder_uri_equal (store, local_drafts_uri, uri); if (found) return found; accounts = e_get_account_list (); iter = e_list_get_iterator ((EList *) accounts); while (e_iterator_is_valid (iter)) { gchar *curi; account = (EAccount *) e_iterator_get (iter); d(printf("checking sent_folder_uri '%s' == '%s'\n", account->sent_folder_uri ? account->sent_folder_uri : "empty", uri)); if (account->sent_folder_uri) { curi = em_uri_to_camel (account->sent_folder_uri); found = camel_store_folder_uri_equal (store, uri, curi); g_free (curi); } if (!found && account->drafts_folder_uri) { curi = em_uri_to_camel (account->drafts_folder_uri); found = camel_store_folder_uri_equal (store, uri, curi); g_free (curi); } if (found) break; e_iterator_next (iter); } g_object_unref (iter); return found; } /* so special we never use it */ static gint uri_is_spethal (CamelStore *store, const gchar *uri) { CamelURL *url; gint res; /* 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|CAMEL_STORE_VJUNK)) == 0) return FALSE; url = camel_url_new (uri, NULL); if (url == NULL) return TRUE; /* don't use strcasecmp here */ if (url->fragment) { res = (((store->flags & CAMEL_STORE_VTRASH) && strcmp (url->fragment, CAMEL_VTRASH_NAME) == 0) || ((store->flags & CAMEL_STORE_VJUNK) && strcmp (url->fragment, CAMEL_VJUNK_NAME) == 0)); } else { res = url->path && (((store->flags & CAMEL_STORE_VTRASH) && strcmp(url->path, "/" CAMEL_VTRASH_NAME) == 0) || ((store->flags & CAMEL_STORE_VJUNK) && strcmp(url->path, "/" CAMEL_VJUNK_NAME) == 0)); } camel_url_free (url); return res; } /** * mail_vfolder_add_uri: * @session: an #EMailSession * @store: a #CamelStore containing the uri * @curi: an email uri to be added/removed * @remove: Whether the uri should be removed or added * * Called when a new uri becomes (un)available. If @store is not a * CamelVeeStore, the uri is added/removed from the list of cached source * folders. Then each vfolder rule is checked to see if the specified uri * matches a source of the rule. It builds a list of vfolders that use (or * would use) the specified uri as a source. It then adds (or removes) this uri * 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_uri (EMailSession *session, CamelStore *store, const gchar *curi, gint remove) { EFilterRule *rule; const gchar *source; CamelVeeFolder *vf; GList *folders = NULL, *link; gint remote = (((CamelService *)store)->provider->flags & CAMEL_PROVIDER_IS_REMOTE) != 0; gint is_ignore; gchar *uri; uri = em_uri_from_camel (curi); if (uri_is_spethal (store, curi)) { g_free (uri); return; } g_return_if_fail (mail_in_main_thread ()); is_ignore = uri_is_ignore (store, curi); G_LOCK (vfolder); /* d(printf("%s uri to check: %s\n", remove?"Removing":"Adding", uri)); */ /* maintain the source folders lists for changed rules later on */ if (CAMEL_IS_VEE_STORE (store)) { is_ignore = TRUE; } else if (remove) { if (remote) { if ((link = mv_find_folder (source_folders_remote, store, curi)) != NULL) { g_free (link->data); source_folders_remote = g_list_remove_link (source_folders_remote, link); } } else { if ((link = mv_find_folder (source_folders_local, store, curi)) != NULL) { g_free (link->data); source_folders_local = g_list_remove_link (source_folders_local, link); } } } else if (!is_ignore) { /* we ignore drafts/sent/outbox here */ if (remote) { if (mv_find_folder (source_folders_remote, store, curi) == NULL) source_folders_remote = g_list_prepend (source_folders_remote, g_strdup (curi)); } else { if (mv_find_folder (source_folders_local, store, curi) == NULL) source_folders_local = g_list_prepend (source_folders_local, g_strdup (curi)); } } 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; } /* dont auto-add any sent/drafts folders etc, they must be explictly listed as a source */ if (rule->source && !is_ignore && ((((EMVFolderRule *)rule)->with == EM_VFOLDER_RULE_WITH_LOCAL && !remote) || (((EMVFolderRule *)rule)->with == EM_VFOLDER_RULE_WITH_REMOTE_ACTIVE && remote) || (((EMVFolderRule *)rule)->with == EM_VFOLDER_RULE_WITH_LOCAL_REMOTE_ACTIVE))) found = TRUE; source = NULL; while (!found && (source = em_vfolder_rule_next_source ((EMVFolderRule *)rule, source))) { gchar *csource; csource = em_uri_to_camel (source); found = camel_store_folder_uri_equal (store, curi, csource); d(printf(found?" '%s' == '%s'?\n":" '%s' != '%s'\n", curi, csource)); g_free (csource); } 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); folders = g_list_prepend (folders, vf); } } done: G_UNLOCK (vfolder); if (folders != NULL) vfolder_adduri (session, curi, folders, remove); g_free (uri); } /** * mail_vfolder_uri_available: * @session: an #EMailSession * @store: a #CamelStore containing the uri * @uri: uri of a folder that became available * * Adds @uri to the list of folders searched if any vfolder source matches the * uri. This function has a transient effect and does not permanently modify * the vfolder filter rules on disk. */ static void mail_vfolder_notify_uri_available (EMailSession *session, CamelStore *store, const gchar *uri) { mail_vfolder_add_uri (session, store, uri, FALSE); } /** * mail_vfolder_uri_available: * @session: an #EMailSession * @store: a #CamelStore containing the uri * @uri: uri of a folder that became unavailable * * Removes @uri from the list of folders searched if any vfolder source matches the * uri. This function has a transient effect and does not permanently modify * the vfolder filter rules on disk. */ static void mail_vfolder_notify_uri_unavailable (EMailSession *session, CamelStore *store, const gchar *uri) { mail_vfolder_add_uri (session, store, uri, TRUE); } /** * mail_vfolder_delete_uri: * @backend: an #EMailBackend * @store: a #CamelStore containing the uri * @curi: an email uri that has been deleted * * Looks through all vfolder rules to see if @curi is listed as a source for any * vfolder rules. If the uri 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_uri (EMailBackend *backend, CamelStore *store, const gchar *curi) { EFilterRule *rule; const gchar *source; CamelVeeFolder *vf; GString *changed; guint changed_count; gchar *uri; GList *link; g_return_if_fail (E_IS_MAIL_BACKEND (backend)); g_return_if_fail (CAMEL_IS_STORE (store)); g_return_if_fail (curi != NULL); if (uri_is_spethal (store, curi)) return; uri = em_uri_from_camel (curi); d(printf ("Deleting uri to check: %s\n", uri)); g_return_if_fail (mail_in_main_thread ()); changed_count = 0; changed = g_string_new (""); G_LOCK (vfolder); if (context == NULL) goto done; /* see if any rules directly reference this removed uri */ rule = NULL; while ((rule = e_rule_context_next_rule ((ERuleContext *) context, rule, NULL))) { if (!rule->name) { d(printf("invalid rule (%p): rule->name is set to NULL\n", rule)); continue; } source = NULL; while ((source = em_vfolder_rule_next_source ((EMVFolderRule *) rule, source))) { gchar *csource = em_uri_to_camel (source); /* Remove all sources that match, ignore changed events though because the adduri call above does the work async */ if (camel_store_folder_uri_equal (store, curi, csource)) { 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 ((EMVFolderRule *)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; } g_free (csource); } } done: if ((link = mv_find_folder (source_folders_remote, store, curi)) != NULL) { g_free (link->data); source_folders_remote = g_list_remove_link (source_folders_remote, link); } if ((link = mv_find_folder (source_folders_local, store, curi)) != NULL) { g_free (link->data); source_folders_local = g_list_remove_link (source_folders_local, link); } G_UNLOCK (vfolder); if (changed_count > 0) { const gchar *config_dir; gchar *user, *info; 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_mail_backend_submit_alert ( backend, "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_uri (CamelStore *store, const gchar *cfrom, const gchar *cto) { EFilterRule *rule; const gchar *source; CamelVeeFolder *vf; gint changed = 0; gchar *from, *to; d(printf("vfolder rename uri: %s to %s\n", cfrom, cto)); if (context == NULL || uri_is_spethal (store, cfrom) || uri_is_spethal (store, cto)) return; g_return_if_fail (mail_in_main_thread ()); from = em_uri_from_camel (cfrom); to = em_uri_from_camel (cto); G_LOCK (vfolder); /* see if any rules directly reference this removed uri */ rule = NULL; while ((rule = e_rule_context_next_rule ((ERuleContext *)context, rule, NULL))) { source = NULL; while ((source = em_vfolder_rule_next_source ((EMVFolderRule *)rule, source))) { gchar *csource = em_uri_to_camel (source); /* Remove all sources that match, ignore changed events though because the adduri call above does the work async */ if (camel_store_folder_uri_equal (store, cfrom, csource)) { d(printf("Vfolder '%s' used '%s' ('%s') now uses '%s'\n", rule->name, source, from, to)); 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 ((EMVFolderRule *)rule, source); em_vfolder_rule_add_source ((EMVFolderRule *)rule, to); g_signal_connect(rule, "changed", G_CALLBACK(rule_changed), vf); changed++; source = NULL; } g_free (csource); } } 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 (from); g_free (to); } GList * mail_vfolder_get_sources_local (void) { return source_folders_local; } GList * mail_vfolder_get_sources_remote (void) { return source_folders_remote; } /* ********************************************************************** */ static void context_rule_added (ERuleContext *ctx, EFilterRule *rule); static void rule_add_sources (EMailSession *session, GList *l, GList **sources_folderp, GList **sources_urip) { GList *sources_folder = *sources_folderp; GList *sources_uri = *sources_urip; MailFolderCache *folder_cache; CamelFolder *newfolder; folder_cache = e_mail_session_get_folder_cache (session); while (l) { gchar *curi = em_uri_to_camel (l->data); if (mail_folder_cache_get_folder_from_uri ( folder_cache, curi, &newfolder)) { if (newfolder) sources_folder = g_list_append (sources_folder, newfolder); else sources_uri = g_list_append (sources_uri, g_strdup (curi)); } g_free (curi); l = l->next; } *sources_folderp = sources_folder; *sources_urip = sources_uri; } static void rule_changed (EFilterRule *rule, CamelFolder *folder) { EMailSession *session; GList *sources_uri = NULL, *sources_folder = NULL; GString *query; const gchar *full_name; full_name = camel_folder_get_full_name (folder); session = em_vfolder_rule_get_session (EM_VFOLDER_RULE (rule)); /* 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); d(printf("Changing folder name in hash table to '%s'\n", rule->name)); 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 ( vfolder_store, oldname, rule->name, NULL, NULL); g_free (oldname); } d(printf("Filter rule changed? for folder '%s'!!\n", folder->name)); /* find any (currently available) folders, and add them to the ones to open */ rule_add_sources ( session, ((EMVFolderRule *)rule)->sources, &sources_folder, &sources_uri); G_LOCK (vfolder); if (((EMVFolderRule *)rule)->with == EM_VFOLDER_RULE_WITH_LOCAL || ((EMVFolderRule *)rule)->with == EM_VFOLDER_RULE_WITH_LOCAL_REMOTE_ACTIVE) rule_add_sources ( session, source_folders_local, &sources_folder, &sources_uri); if (((EMVFolderRule *)rule)->with == EM_VFOLDER_RULE_WITH_REMOTE_ACTIVE || ((EMVFolderRule *)rule)->with == EM_VFOLDER_RULE_WITH_LOCAL_REMOTE_ACTIVE) rule_add_sources ( session, source_folders_remote, &sources_folder, &sources_uri); G_UNLOCK (vfolder); query = g_string_new(""); e_filter_rule_build_code (rule, query); vfolder_setup (session, folder, query->str, sources_uri, sources_folder); g_string_free (query, TRUE); } static void context_rule_added (ERuleContext *ctx, EFilterRule *rule) { CamelFolder *folder; d(printf("rule added: %s\n", rule->name)); /* this always runs quickly */ /* FIXME Not passing a GCancellable or GError. */ folder = camel_store_get_folder_sync ( vfolder_store, 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); } } static void context_rule_removed (ERuleContext *ctx, EFilterRule *rule) { gpointer key, folder = NULL; d(printf("rule removed; %s\n", rule->name)); /* 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 ( vfolder_store, rule->name, NULL, NULL); /* this must be unref'd after its deleted */ if (folder) g_object_unref ((CamelFolder *) folder); } static void store_folder_deleted_cb (CamelStore *store, CamelFolderInfo *info) { EFilterRule *rule; gchar *user; d(printf("Folder deleted: %s\n", info->name)); store = store; /* 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; /* 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|G_SIGNAL_MATCH_DATA, 0, 0, NULL, context_rule_removed, context); e_rule_context_remove_rule ((ERuleContext *)context, rule); g_object_unref (rule); g_signal_connect(context, "rule_removed", G_CALLBACK(context_rule_removed), context); 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->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 *uri, EMailSession *session) { mail_vfolder_notify_uri_available (session, store, uri); } static void folder_unavailable_cb (MailFolderCache *cache, CamelStore *store, const gchar *uri, EMailSession *session) { mail_vfolder_notify_uri_unavailable (session, store, uri); } static void folder_deleted_cb (MailFolderCache *cache, CamelStore *store, const gchar *uri, EMailBackend *backend) { mail_vfolder_delete_uri (backend, store, uri); } static void folder_renamed_cb (MailFolderCache *cache, CamelStore *store, const gchar *olduri, const gchar *newuri, gpointer user_data) { mail_vfolder_rename_uri (store, olduri, newuri); } void vfolder_load_storage (EMailBackend *backend) { /* lock for loading storage, it is safe to call it more than once */ G_LOCK_DEFINE_STATIC (vfolder_hash); const gchar *data_dir; const gchar *config_dir; gchar *user, *storeuri; EFilterRule *rule; MailFolderCache *folder_cache; EMailSession *session; gchar *xmlfile; GConfClient *client; g_return_if_fail (E_IS_MAIL_BACKEND (backend)); 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); data_dir = mail_session_get_data_dir (); config_dir = mail_session_get_config_dir (); session = e_mail_backend_get_session (backend); /* first, create the vfolder store, and set it up */ storeuri = g_strdup_printf("vfolder:%s/vfolder", data_dir); vfolder_store = camel_session_get_store ( CAMEL_SESSION (session), storeuri, NULL); if (vfolder_store == NULL) { g_warning("Cannot open vfolder store - no vfolders available"); return; } g_signal_connect ( vfolder_store, "folder-deleted", G_CALLBACK (store_folder_deleted_cb), backend); g_signal_connect ( vfolder_store, "folder-renamed", G_CALLBACK (store_folder_renamed_cb), NULL); d(printf("got store '%s' = %p\n", storeuri, vfolder_store)); /* load our rules */ user = g_build_filename (config_dir, "vfolders.xml", NULL); context = em_vfolder_context_new (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), context); g_signal_connect(context, "rule_removed", G_CALLBACK(context_rule_removed), context); /* load store to mail component */ e_mail_store_add_by_uri (session, storeuri, _("Search Folders")); /* 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); } else { d(printf("invalid rule (%p) encountered: rule->name is NULL\n", rule)); } } g_free (storeuri); /* reenable the feature if required */ client = gconf_client_get_default (); if (!gconf_client_get_bool (client, "/apps/evolution/mail/display/enable_vfolders", NULL)) gconf_client_set_bool (client, "/apps/evolution/mail/display/enable_vfolders", TRUE, NULL); g_object_unref (client); folder_cache = e_mail_session_get_folder_cache (session); g_signal_connect ( folder_cache, "folder-available", G_CALLBACK (folder_available_cb), session); g_signal_connect ( folder_cache, "folder-unavailable", G_CALLBACK (folder_unavailable_cb), session); g_signal_connect ( folder_cache, "folder-deleted", G_CALLBACK (folder_deleted_cb), backend); g_signal_connect ( folder_cache, "folder-renamed", G_CALLBACK (folder_renamed_cb), NULL); } void vfolder_revert (void) { const gchar *config_dir; gchar *user; d(printf("vfolder_revert\n")); config_dir = mail_session_get_config_dir (); user = g_build_filename (config_dir, "vfolders.xml", NULL); e_rule_context_revert ((ERuleContext *)context, user); g_free (user); } void vfolder_edit (EShellView *shell_view) { EShellBackend *shell_backend; EShellWindow *shell_window; EMailBackend *backend; EMailSession *session; GtkWidget *dialog; const gchar *config_dir; gchar *filename; g_return_if_fail (E_IS_SHELL_VIEW (shell_view)); shell_backend = e_shell_view_get_shell_backend (shell_view); shell_window = e_shell_view_get_shell_window (shell_view); config_dir = e_shell_backend_get_config_dir (shell_backend); filename = g_build_filename (config_dir, "vfolders.xml", NULL); backend = E_MAIL_BACKEND (shell_backend); session = e_mail_backend_get_session (backend); dialog = em_vfolder_editor_new (context); gtk_window_set_title ( GTK_WINDOW (dialog), _("Search Folders")); gtk_window_set_transient_for ( GTK_WINDOW (dialog), GTK_WINDOW (shell_window)); switch (gtk_dialog_run (GTK_DIALOG (dialog))) { case GTK_RESPONSE_OK: e_rule_context_save ((ERuleContext *) context, filename); break; default: e_rule_context_revert ((ERuleContext *) context, filename); break; } gtk_widget_destroy (dialog); } static void edit_rule_response (GtkWidget *w, gint button, gpointer data) { if (button == GTK_RESPONSE_OK) { const gchar *config_dir; gchar *user; EFilterRule *rule = g_object_get_data (G_OBJECT (w), "rule"); EFilterRule *orig = g_object_get_data (G_OBJECT (w), "orig"); e_filter_rule_copy (orig, rule); 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); } gtk_widget_destroy (w); } void vfolder_edit_rule (EMailBackend *backend, const gchar *uri) { GtkWidget *w; GtkDialog *gd; GtkWidget *container; EFilterRule *rule, *newrule; CamelURL *url; g_return_if_fail (E_IS_MAIL_BACKEND (backend)); g_return_if_fail (uri != NULL); url = camel_url_new (uri, NULL); if (url && url->fragment && (rule = e_rule_context_find_rule ((ERuleContext *)context, url->fragment, NULL))) { g_object_ref (G_OBJECT (rule)); newrule = e_filter_rule_clone (rule); w = e_filter_rule_get_widget ((EFilterRule *)newrule, (ERuleContext *)context); gd = (GtkDialog *)gtk_dialog_new_with_buttons ( _("Edit Search Folder"), NULL, GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL); gtk_container_set_border_width (GTK_CONTAINER (gd), 6); container = gtk_dialog_get_content_area (gd); gtk_box_set_spacing (GTK_BOX (container), 6); gtk_dialog_set_default_response (gd, GTK_RESPONSE_OK); g_object_set(gd, "allow_shrink", FALSE, "allow_grow", TRUE, NULL); gtk_window_set_default_size (GTK_WINDOW (gd), 500, 500); gtk_box_pack_start (GTK_BOX (container), w, TRUE, TRUE, 0); gtk_widget_show ((GtkWidget *)gd); g_object_set_data_full(G_OBJECT(gd), "rule", newrule, (GDestroyNotify)g_object_unref); g_object_set_data_full(G_OBJECT(gd), "orig", rule, (GDestroyNotify)g_object_unref); g_signal_connect(gd, "response", G_CALLBACK(edit_rule_response), NULL); gtk_widget_show ((GtkWidget *)gd); } else { /* TODO: we should probably just create it ... */ e_mail_backend_submit_alert ( backend, "mail:vfolder-notexist", uri, NULL); } if (url) camel_url_free (url); } static void new_rule_clicked (GtkWidget *w, gint button, gpointer data) { if (button == GTK_RESPONSE_OK) { const gchar *config_dir; gchar *user; EFilterRule *rule = g_object_get_data((GObject *)w, "rule"); EAlert *alert = NULL; if (!e_filter_rule_validate (rule, &alert)) { e_alert_run_dialog (GTK_WINDOW (w), alert); g_object_unref (alert); return; } if (e_rule_context_find_rule ((ERuleContext *)context, rule->name, rule->source)) { e_alert_run_dialog_for_args ((GtkWindow *)w, "mail:vfolder-notunique", rule->name, NULL); return; } g_object_ref (rule); e_rule_context_add_rule ((ERuleContext *)context, rule); 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); } gtk_widget_destroy (w); } static void new_rule_changed_cb (EFilterRule *rule, GtkDialog *dialog) { g_return_if_fail (rule != NULL); g_return_if_fail (dialog != NULL); gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, rule->parts != NULL); } EFilterPart * vfolder_create_part (const gchar *name) { return e_rule_context_create_part ((ERuleContext *)context, name); } /* clones a filter/search rule into a matching vfolder rule (assuming the same system definitions) */ EFilterRule * vfolder_clone_rule (EFilterRule *in) { EMailSession *session; EFilterRule *rule; xmlNodePtr xml; session = em_vfolder_rule_get_session (EM_VFOLDER_RULE (in)); rule = em_vfolder_rule_new (session); xml = e_filter_rule_xml_encode (in); e_filter_rule_xml_decode (rule, xml, (ERuleContext *)context); xmlFreeNodeList (xml); return rule; } /* adds a rule with a gui */ void vfolder_gui_add_rule (EMVFolderRule *rule) { EMailSession *session; GtkWidget *w; GtkDialog *gd; GtkWidget *container; session = em_vfolder_rule_get_session (rule); w = e_filter_rule_get_widget ((EFilterRule *)rule, (ERuleContext *)context); gd = (GtkDialog *)gtk_dialog_new_with_buttons ( _("New Search Folder"), NULL, GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL); gtk_dialog_set_default_response (gd, GTK_RESPONSE_OK); gtk_container_set_border_width (GTK_CONTAINER (gd), 6); container = gtk_dialog_get_content_area (gd); gtk_box_set_spacing (GTK_BOX (container), 6); g_object_set(gd, "allow_shrink", FALSE, "allow_grow", TRUE, NULL); gtk_window_set_default_size (GTK_WINDOW (gd), 500, 500); gtk_box_pack_start (GTK_BOX (container), w, TRUE, TRUE, 0); gtk_widget_show ((GtkWidget *)gd); g_object_set_data_full(G_OBJECT(gd), "rule", rule, (GDestroyNotify)g_object_unref); g_signal_connect(rule, "changed", G_CALLBACK (new_rule_changed_cb), gd); new_rule_changed_cb ((EFilterRule*)rule, gd); g_signal_connect(gd, "response", G_CALLBACK(new_rule_clicked), NULL); gtk_widget_show ((GtkWidget *)gd); } void vfolder_gui_add_from_message (EMailSession *session, CamelMimeMessage *msg, gint flags, const gchar *source) { EMVFolderRule *rule; g_return_if_fail (msg != NULL); rule = (EMVFolderRule*)em_vfolder_rule_from_message (context, msg, flags, source); vfolder_gui_add_rule (rule); } void vfolder_gui_add_from_address (EMailSession *session, CamelInternetAddress *addr, gint flags, const gchar *source) { EMVFolderRule *rule; g_return_if_fail (addr != NULL); rule = (EMVFolderRule*)em_vfolder_rule_from_address (context, addr, flags, source); vfolder_gui_add_rule (rule); } 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 (vfolder_store) { g_object_unref (vfolder_store); vfolder_store = NULL; } if (context) { g_object_unref (context); context = NULL; } }