/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2001 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Evolution.h"
#include "evolution-storage.h"
#include "evolution-shell-component.h"
#include "mail.h"
#include "mail-vfolder.h"
#include "mail-vtrash.h"
#include "mail-tools.h"
#include "mail-mt.h"
#include "camel/camel.h"
#include "camel/camel-vee-store.h"
#include "filter/vfolder-rule.h"
#include "filter/filter-part.h"
#define d(x)
#define VTRASH_LOCK(x) pthread_mutex_lock(&x)
#define VTRASH_UNLOCK(x) pthread_mutex_unlock(&x)
static GHashTable *vtrash_hash = NULL;
static pthread_mutex_t vtrash_hash_lock = PTHREAD_MUTEX_INITIALIZER;
extern char *evolution_dir;
extern CamelSession *session;
/* maps the shell's uri to the real vtrash folder */
CamelFolder *
vtrash_uri_to_folder (const char *uri, CamelException *ex)
{
CamelFolder *folder = NULL;
g_return_val_if_fail (uri != NULL, NULL);
if (strncmp (uri, "vtrash:", 7))
return NULL;
VTRASH_LOCK (vtrash_hash_lock);
if (vtrash_hash) {
folder = g_hash_table_lookup (vtrash_hash, uri);
camel_object_ref (CAMEL_OBJECT (folder));
}
VTRASH_UNLOCK (vtrash_hash_lock);
return folder;
}
static void
vtrash_add (CamelStore *store, CamelFolder *folder, const char *store_uri, const char *name)
{
EvolutionStorage *storage;
char *uri, *path;
g_return_if_fail (CAMEL_IS_STORE (store));
uri = g_strdup_printf ("vtrash:%s", store_uri);
VTRASH_LOCK (vtrash_hash_lock);
if (!vtrash_hash) {
vtrash_hash = g_hash_table_new (g_str_hash, g_str_equal);
} else if (g_hash_table_lookup (vtrash_hash, uri) != NULL) {
VTRASH_UNLOCK (vtrash_hash_lock);
g_free (uri);
return;
}
if (!strcmp (store_uri, "file:/")) {
storage = mail_vfolder_get_vfolder_storage ();
} else {
storage = mail_lookup_storage (store);
}
if (!storage) {
VTRASH_UNLOCK (vtrash_hash_lock);
g_free (uri);
return;
}
path = g_strdup_printf ("/%s", name);
evolution_storage_new_folder (storage, path, g_basename (path),
"mail", uri, name, FALSE);
gtk_object_unref (GTK_OBJECT (storage));
g_free (path);
g_hash_table_insert (vtrash_hash, uri, folder);
camel_object_ref (CAMEL_OBJECT (folder));
VTRASH_UNLOCK (vtrash_hash_lock);
}
struct _get_trash_msg {
struct _mail_msg msg;
char *store_uri;
CamelFolder *folder;
void (*done) (char *store_uri, CamelFolder *folder, void *data);
void *data;
};
static char *
get_trash_desc (struct _mail_msg *mm, int done)
{
struct _get_trash_msg *m = (struct _get_trash_msg *)mm;
return g_strdup_printf (_("Opening Trash folder for %s"), m->store_uri);
}
/* maps the shell's uri to the real vfolder uri and open the folder */
static CamelFolder *
create_trash_vfolder (const char *name, GPtrArray *urls, CamelException *ex)
{
void camel_vee_folder_add_folder (CamelFolder *, CamelFolder *);
char *storeuri, *foldername;
CamelFolder *folder = NULL, *sourcefolder;
int source = 0;
d(fprintf (stderr, "Creating Trash vfolder\n"));
storeuri = g_strdup_printf ("vfolder:%s/vfolder/%s", evolution_dir, name);
foldername = g_strdup ("mbox?(match-all (system-flag \"Deleted\"))");
/* we dont have indexing on vfolders */
folder = mail_tool_get_folder_from_urlname (storeuri, foldername,
CAMEL_STORE_FOLDER_CREATE | CAMEL_STORE_VEE_FOLDER_AUTO,
ex);
g_free (foldername);
g_free (storeuri);
if (camel_exception_is_set (ex))
return NULL;
while (source < urls->len) {
const char *sourceuri;
sourceuri = urls->pdata[source];
d(fprintf (stderr, "adding vfolder source: %s\n", sourceuri));
sourcefolder = mail_tool_uri_to_folder (sourceuri, ex);
d(fprintf (stderr, "source folder = %p\n", sourcefolder));
if (sourcefolder) {
mail_tool_camel_lock_up ();
camel_vee_folder_add_folder (folder, sourcefolder);
mail_tool_camel_lock_down ();
} else {
/* we'll just silently ignore now-missing sources */
camel_exception_clear (ex);
}
g_free (urls->pdata[source]);
source++;
}
g_ptr_array_free (urls, TRUE);
return folder;
}
static void
populate_folder_urls (CamelFolderInfo *info, GPtrArray *urls)
{
if (!info)
return;
g_ptr_array_add (urls, g_strdup (info->url));
if (info->child)
populate_folder_urls (info->child, urls);
if (info->sibling)
populate_folder_urls (info->sibling, urls);
}
static void
get_trash_get (struct _mail_msg *mm)
{
struct _get_trash_msg *m = (struct _get_trash_msg *)mm;
CamelStore *store;
GPtrArray *urls;
camel_operation_register(mm->cancel);
camel_operation_start(mm->cancel, _("Getting matches"));
urls = g_ptr_array_new ();
/* we don't want to connect */
store = (CamelStore *) camel_session_get_service (session, m->store_uri,
CAMEL_PROVIDER_STORE, &mm->ex);
if (store == NULL) {
g_warning ("Couldn't get service %s: %s\n", m->store_uri,
camel_exception_get_description (&mm->ex));
camel_exception_clear (&mm->ex);
m->folder = NULL;
} else {
/* First try to see if we can save time by looking the folder up in the hash table */
char *uri;
uri = g_strdup_printf ("vtrash:%s", m->store_uri);
m->folder = vtrash_uri_to_folder (uri, &mm->ex);
g_free (uri);
if (!m->folder) {
/* Create and add this new vTrash folder */
CamelFolderInfo *info;
info = camel_store_get_folder_info (store, NULL, TRUE, TRUE, TRUE, &mm->ex);
populate_folder_urls (info, urls);
camel_store_free_folder_info (store, info);
m->folder = create_trash_vfolder (_("vTrash"), urls, &mm->ex);
vtrash_add (store, m->folder, m->store_uri, _("vTrash"));
}
}
camel_operation_end(mm->cancel);
camel_operation_unregister(mm->cancel);
}
static void
get_trash_got (struct _mail_msg *mm)
{
struct _get_trash_msg *m = (struct _get_trash_msg *)mm;
if (m->done)
m->done (m->store_uri, m->folder, m->data);
}
static void
get_trash_free (struct _mail_msg *mm)
{
struct _get_trash_msg *m = (struct _get_trash_msg *)mm;
g_free (m->store_uri);
if (m->folder)
camel_object_unref (CAMEL_OBJECT (m->folder));
}
static struct _mail_msg_op get_trash_op = {
get_trash_desc,
get_trash_get,
get_trash_got,
get_trash_free,
};
int
vtrash_create (const char *store_uri,
void (*done) (char *store_uri, CamelFolder *folder, void *data),
void *data)
{
struct _get_trash_msg *m;
int id;
m = mail_msg_new (&get_trash_op, NULL, sizeof (*m));
m->store_uri = g_strdup (store_uri);
m->data = data;
m->done = done;
id = m->msg.seq;
e_thread_put (mail_thread_new, (EMsg *)m);
return id;
}
static void
free_folder (gpointer key, gpointer value, gpointer data)
{
CamelFolder *folder = CAMEL_FOLDER (value);
char *uri = key;
g_free (uri);
camel_object_unref (CAMEL_OBJECT (folder));
}
void
vtrash_cleanup (void)
{
VTRASH_LOCK (vtrash_hash_lock);
if (vtrash_hash) {
g_hash_table_foreach (vtrash_hash, free_folder, NULL);
g_hash_table_destroy (vtrash_hash);
}
VTRASH_UNLOCK (vtrash_hash_lock);
}