/*
* 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)
*
*/
#include <config.h>
#include <string.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <camel/camel-vee-folder.h>
#include <camel/camel-vee-store.h>
#include <camel/camel-vtrash-folder.h>
#include <libedataserver/e-account-list.h>
#include "e-util/e-alert-dialog.h"
#include "e-util/e-util-private.h"
#include "e-util/e-account-utils.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-config.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 shutdown; /* are we shutting down? */
/* more globals ... */
extern CamelSession *session;
static void rule_changed(EFilterRule *rule, CamelFolder *folder);
/* ********************************************************************** */
struct _setup_msg {
MailMsg base;
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"), m->folder->full_name);
}
static void
vfolder_setup_exec (struct _setup_msg *m)
{
GList *l, *list = NULL;
CamelFolder *folder;
d(printf("Setting up Search Folder: %s\n", m->folder->full_name));
camel_vee_folder_set_expression((CamelVeeFolder *)m->folder, m->query);
l = m->sources_uri;
while (l && !shutdown) {
d(printf(" Adding uri: %s\n", (gchar *)l->data));
folder = mail_tool_uri_to_folder (l->data, 0, &m->base.ex);
if (folder) {
list = g_list_append(list, folder);
} else {
g_warning("Could not open vfolder source: %s", (gchar *)l->data);
camel_exception_clear(&m->base.ex);
}
l = l->next;
}
l = m->sources_folder;
while (l && !shutdown) {
d(printf(" Adding folder: %s\n", ((CamelFolder *)l->data)->full_name));
camel_object_ref(l->data);
list = g_list_append(list, l->data);
l = l->next;
}
if (!shutdown)
camel_vee_folder_set_folders((CamelVeeFolder *)m->folder, list);
l = list;
while (l) {
camel_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;
camel_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) {
camel_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(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->folder = folder;
camel_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;
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)
{
GList *l;
CamelFolder *folder = NULL;
if (shutdown)
return;
d(printf("%s uri to vfolder: %s\n", m->remove?"Removing":"Adding", m->uri));
/* 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(mail_folder_cache_get_default (),
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 = mail_tool_uri_to_folder (m->uri, 0, &m->base.ex);
if (folder != NULL) {
l = m->folders;
while (l && !shutdown) {
if (m->remove)
camel_vee_folder_remove_folder((CamelVeeFolder *)l->data, folder);
else
camel_vee_folder_add_folder((CamelVeeFolder *)l->data, folder);
l = l->next;
}
camel_object_unref(folder);
}
}
static void
vfolder_adduri_done(struct _adduri_msg *m)
{
}
static void
vfolder_adduri_free (struct _adduri_msg *m)
{
g_list_foreach(m->folders, (GFunc)camel_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(const gchar *uri, GList *folders, gint remove)
{
struct _adduri_msg *m;
gint id;
m = mail_msg_new(&vfolder_adduri_info);
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_FOLDER_DRAFTS);
local_outbox_uri = e_mail_local_get_folder_uri (E_MAIL_FOLDER_OUTBOX);
local_sent_uri = e_mail_local_get_folder_uri (E_MAIL_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:
*
* @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(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;
}
camel_object_ref(vf);
folders = g_list_prepend(folders, vf);
}
}
done:
G_UNLOCK (vfolder);
if (folders != NULL)
vfolder_adduri(curi, folders, remove);
g_free(uri);
}
/**
* mail_vfolder_uri_available:
* @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.
*/
void
mail_vfolder_notify_uri_available (CamelStore *store, const gchar *uri)
{
mail_vfolder_add_uri (store, uri, FALSE);
}
/**
* mail_vfolder_uri_available:
* @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.
*/
void
mail_vfolder_notify_uri_unavailable (CamelStore *store, const gchar *uri)
{
mail_vfolder_add_uri (store, uri, TRUE);
}
/**
* mail_vfolder_delete_uri:
*
* @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.
*/
void
mail_vfolder_delete_uri(CamelStore *store, const gchar *curi)
{
EFilterRule *rule;
const gchar *source;
CamelVeeFolder *vf;
GString *changed;
gchar *uri;
GList *link;
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 = 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);
g_string_append_printf (changed, " %s\n", rule->name);
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->str[0]) {
GtkWidget *dialog;
const gchar *data_dir;
gchar *user;
dialog = e_alert_dialog_new_for_args (e_shell_get_active_window (NULL), "mail:vfolder-updated", changed->str, uri, NULL);
em_utils_show_info_silent (dialog);
data_dir = em_utils_get_data_dir ();
user = g_build_filename (data_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 */
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 *data_dir;
gchar *user;
d(printf("Vfolders updated from renamed folder\n"));
data_dir = em_utils_get_data_dir ();
user = g_build_filename (data_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(GList *l, GList **sources_folderp, GList **sources_urip)
{
GList *sources_folder = *sources_folderp;
GList *sources_uri = *sources_urip;
CamelFolder *newfolder;
while (l) {
gchar *curi = em_uri_to_camel(l->data);
if (mail_folder_cache_get_folder_from_uri
(mail_folder_cache_get_default (), 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)
{
GList *sources_uri = NULL, *sources_folder = NULL;
GString *query;
/* if the folder has changed name, then add it, then remove the old manually */
if (strcmp(folder->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, folder->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", folder->full_name);
}
/* TODO: make the folder->full_name var thread accessible */
oldname = g_strdup(folder->full_name);
camel_store_rename_folder(vfolder_store, oldname, rule->name, 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(((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(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(source_folders_remote, &sources_folder, &sources_uri);
G_UNLOCK (vfolder);
query = g_string_new("");
e_filter_rule_build_code(rule, query);
vfolder_setup(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 */
folder = camel_store_get_folder(vfolder_store, rule->name, 0, 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);
camel_store_delete_folder(vfolder_store, rule->name, NULL);
/* this must be unref'd after its deleted */
if (folder)
camel_object_unref ((CamelFolder *) folder);
}
static void
store_folder_created(CamelObject *o, gpointer event_data, gpointer data)
{
CamelStore *store = (CamelStore *)o;
CamelFolderInfo *info = event_data;
store = store;
info = info;
}
static void
store_folder_deleted(CamelObject *o, gpointer event_data, gpointer data)
{
CamelStore *store = (CamelStore *)o;
CamelFolderInfo *info = event_data;
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 *data_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);
data_dir = em_utils_get_data_dir ();
user = g_build_filename (data_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(CamelObject *o, gpointer event_data, gpointer data)
{
CamelRenameInfo *info = event_data;
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->new->full_name, info->old_base));
/* Folder is already renamed? */
G_LOCK (vfolder);
d(printf("Changing folder name in hash table to '%s'\n", info->new->full_name));
if (g_hash_table_lookup_extended (vfolder_hash, info->old_base, &key, &folder)) {
const gchar *data_dir;
g_hash_table_remove (vfolder_hash, key);
g_free (key);
g_hash_table_insert (vfolder_hash, g_strdup(info->new->full_name), folder);
rule = e_rule_context_find_rule((ERuleContext *)context, info->old_base, 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->new->full_name);
g_signal_connect(rule, "changed", G_CALLBACK(rule_changed), folder);
data_dir = em_utils_get_data_dir ();
user = g_build_filename (data_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->new->full_name);
}
}
void
vfolder_load_storage(void)
{
/* lock for loading storage, it is safe to call it more than once */
G_LOCK_DEFINE_STATIC (vfolder_hash);
const gchar *data_dir;
gchar *user, *storeuri;
EFilterRule *rule;
gchar *xmlfile;
GConfClient *gconf;
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);
/* first, create the vfolder store, and set it up */
data_dir = em_utils_get_data_dir ();
storeuri = g_strdup_printf("vfolder:%s/vfolder", data_dir);
vfolder_store = camel_session_get_store(session, storeuri, NULL);
if (vfolder_store == NULL) {
g_warning("Cannot open vfolder store - no vfolders available");
return;
}
camel_object_hook_event(vfolder_store, "folder_created",
(CamelObjectEventHookFunc)store_folder_created, NULL);
camel_object_hook_event(vfolder_store, "folder_deleted",
(CamelObjectEventHookFunc)store_folder_deleted, NULL);
camel_object_hook_event(vfolder_store, "folder_renamed",
(CamelObjectEventHookFunc)store_folder_renamed, NULL);
d(printf("got store '%s' = %p\n", storeuri, vfolder_store));
/* load our rules */
user = g_build_filename (data_dir, "vfolders.xml", NULL);
context = em_vfolder_context_new ();
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 (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 */
gconf = mail_config_get_gconf_client();
if (!gconf_client_get_bool (gconf, "/apps/evolution/mail/display/enable_vfolders", NULL))
gconf_client_set_bool (gconf, "/apps/evolution/mail/display/enable_vfolders", TRUE, NULL);
}
void
vfolder_revert(void)
{
const gchar *data_dir;
gchar *user;
d(printf("vfolder_revert\n"));
data_dir = em_utils_get_data_dir ();
user = g_build_filename (data_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;
GtkWidget *dialog;
const gchar *data_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);
data_dir = e_shell_backend_get_data_dir (shell_backend);
filename = g_build_filename (data_dir, "vfolders.xml", NULL);
/* ensures vfolder is running */
vfolder_load_storage ();
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 *data_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);
data_dir = em_utils_get_data_dir ();
user = g_build_filename (data_dir, "vfolders.xml", NULL);
e_rule_context_save((ERuleContext *)context, user);
g_free(user);
}
gtk_widget_destroy(w);
}
void
vfolder_edit_rule(const gchar *uri)
{
GtkWidget *w;
GtkDialog *gd;
EFilterRule *rule, *newrule;
CamelURL *url;
url = camel_url_new(uri, NULL);
if (url && url->fragment
&& (rule = e_rule_context_find_rule((ERuleContext *)context, url->fragment, NULL))) {
g_object_ref((GtkObject *)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);
gtk_box_set_spacing ((GtkBox *) gd->vbox, 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((GtkBox *)gd->vbox, 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 {
GtkWidget *w;
/* TODO: we should probably just create it ... */
w = e_alert_dialog_new_for_args (e_shell_get_active_window (NULL), "mail:vfolder-notexist", uri, NULL);
em_utils_show_error_silent (w);
}
if (url)
camel_url_free(url);
}
static void
new_rule_clicked(GtkWidget *w, gint button, gpointer data)
{
if (button == GTK_RESPONSE_OK) {
const gchar *data_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);
data_dir = em_utils_get_data_dir ();
user = g_build_filename (data_dir, "vfolders.xml", NULL);
e_rule_context_save((ERuleContext *)context, user);
g_free(user);
}
gtk_widget_destroy(w);
}
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)
{
EFilterRule *rule = (EFilterRule *)em_vfolder_rule_new();
xmlNodePtr xml;
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)
{
GtkWidget *w;
GtkDialog *gd;
/* this should be done before we call this function */
vfolder_load_storage ();
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);
gtk_box_set_spacing ((GtkBox *) gd->vbox, 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((GtkBox *)gd->vbox, 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(gd, "response", G_CALLBACK(new_rule_clicked), NULL);
gtk_widget_show((GtkWidget *)gd);
}
void
vfolder_gui_add_from_message(CamelMimeMessage *msg, gint flags, const gchar *source)
{
EMVFolderRule *rule;
g_return_if_fail (msg != NULL);
/* ensures vfolder is running */
vfolder_load_storage ();
rule = (EMVFolderRule*)em_vfolder_rule_from_message(context, msg, flags, source);
vfolder_gui_add_rule(rule);
}
void
vfolder_gui_add_from_address(CamelInternetAddress *addr, gint flags, const gchar *source)
{
EMVFolderRule *rule;
g_return_if_fail (addr != NULL);
/* ensures vfolder is running */
vfolder_load_storage ();
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)
camel_object_unref(folder);
g_free (key);
}
void
mail_vfolder_shutdown (void)
{
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) {
camel_object_unref (vfolder_store);
vfolder_store = NULL;
}
if (context) {
g_object_unref(context);
context = NULL;
}
}