aboutsummaryrefslogtreecommitdiffstats
path: root/libemail-engine/mail-vfolder.c
diff options
context:
space:
mode:
authorSrinivasa Ragavan <sragavan@gnome.org>2012-03-02 18:10:34 +0800
committerMatthew Barnes <mbarnes@redhat.com>2012-03-03 22:02:34 +0800
commit18593a0fb99e04854f66459972b2c53fca601cda (patch)
tree3ab1b17fa1b079e1cecc9ff0055bde40f55e588c /libemail-engine/mail-vfolder.c
parentf2ae5f830dc506e084731111008a8e90c093e97e (diff)
downloadgsoc2013-evolution-18593a0fb99e04854f66459972b2c53fca601cda.tar
gsoc2013-evolution-18593a0fb99e04854f66459972b2c53fca601cda.tar.gz
gsoc2013-evolution-18593a0fb99e04854f66459972b2c53fca601cda.tar.bz2
gsoc2013-evolution-18593a0fb99e04854f66459972b2c53fca601cda.tar.lz
gsoc2013-evolution-18593a0fb99e04854f66459972b2c53fca601cda.tar.xz
gsoc2013-evolution-18593a0fb99e04854f66459972b2c53fca601cda.tar.zst
gsoc2013-evolution-18593a0fb99e04854f66459972b2c53fca601cda.zip
Move vfolders to libemail-engine and rest as mail-vfolder-ui. It all works and
the daemon can now start the vfolder storage without bothering much with the UI.
Diffstat (limited to 'libemail-engine/mail-vfolder.c')
-rw-r--r--libemail-engine/mail-vfolder.c1120
1 files changed, 1120 insertions, 0 deletions
diff --git a/libemail-engine/mail-vfolder.c b/libemail-engine/mail-vfolder.c
new file mode 100644
index 0000000000..3ad3559311
--- /dev/null
+++ b/libemail-engine/mail-vfolder.c
@@ -0,0 +1,1120 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ * Michael Zucchi <notzed@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include <glib/gi18n.h>
+
+#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 <libemail-utils/em-vfolder-context.h>
+#include <libemail-utils/em-vfolder-rule.h>
+#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);
+
+/* ********************************************************************** */
+
+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)
+{
+ 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)
+{
+ 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, NULL)) {
+ g_warning (
+ "Folder '%s' disappeared while I was "
+ "adding/removing it to/from my vfolder", m->uri);
+ return;
+ }
+
+ /* 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) {
+ 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;
+}
+
+/* ********************************************************************** */
+
+/* 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;
+ const gchar *source;
+ CamelVeeFolder *vf;
+ CamelProvider *provider;
+ GList *folders = 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;
+ }
+ /* 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)
+ && ((((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))) {
+ 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);
+ folders = g_list_prepend (folders, vf);
+ }
+ }
+
+done:
+ G_UNLOCK (vfolder);
+
+ if (folders != NULL)
+ vfolder_adduri (
+ E_MAIL_SESSION (session),
+ uri, folders, remove);
+
+ 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_folderp,
+ GList **sources_urip)
+{
+ GList *sources_folder = *sources_folderp;
+ 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)) {
+ sources_uri = g_list_append (sources_uri, g_strdup (uri));
+ }
+ }
+
+ *sources_folderp = sources_folder;
+ *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;
+ GList *sources_folder = NULL;
+ GString *query;
+ const gchar *full_name;
+
+ full_name = camel_folder_get_full_name (folder);
+ session = get_session (folder);
+
+ service = camel_session_get_service (
+ CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID);
+ g_return_if_fail (CAMEL_IS_SERVICE (service));
+
+ /* 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);
+ }
+
+ 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) {
+
+ 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_folder, &sources_uri);
+
+ while (!g_queue_is_empty (&queue))
+ g_free (g_queue_pop_head (&queue));
+ }
+
+ if (((EMVFolderRule *) rule)->with ==
+ EM_VFOLDER_RULE_WITH_REMOTE_ACTIVE ||
+ ((EMVFolderRule *) rule)->with ==
+ 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_folder, &sources_uri);
+
+ 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, sources_folder);
+
+ 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_get_service (
+ CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID);
+ g_return_if_fail (CAMEL_IS_SERVICE (service));
+
+ /* 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);
+ }
+}
+
+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_get_service (
+ CAMEL_SESSION (session), E_MAIL_SESSION_VFOLDER_UID);
+ g_return_if_fail (CAMEL_IS_SERVICE (service));
+
+ /* 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);
+}
+
+static void
+store_folder_deleted_cb (CamelStore *store,
+ CamelFolderInfo *info)
+{
+ EFilterRule *rule;
+ gchar *user;
+ EMailSession *session;
+
+ d(printf("Folder deleted: %s\n", info->name));
+ store = store;
+ session = (EMailSession *) camel_service_get_session ((CamelService *) 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->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;
+ GSettings *settings;
+
+ 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 (E_MAIL_SESSION (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));
+ }
+ }
+
+ /* reenable the feature if required */
+ settings = g_settings_new ("org.gnome.evolution.mail");
+ g_settings_set_boolean (settings, "enable-vfolders", TRUE);
+ g_object_unref (settings);
+
+ 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;
+ }
+}