/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-disco-folder.c: abstract class for a disconnectable folder */
/*
* Authors: Dan Winship <danw@ximian.com>
*
* Copyright (C) 2001 Ximian, Inc.
*
* 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 Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "camel-disco-folder.h"
#include "camel-disco-store.h"
#include "camel-exception.h"
#define CF_CLASS(o) (CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS (o)))
#define CDF_CLASS(o) (CAMEL_DISCO_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS (o)))
static CamelFolderClass *parent_class = NULL;
static void disco_refresh_info (CamelFolder *folder, CamelException *ex);
static void disco_sync (CamelFolder *folder, gboolean expunge, CamelException *ex);
static void disco_expunge (CamelFolder *folder, CamelException *ex);
static void disco_append_message (CamelFolder *folder, CamelMimeMessage *message,
const CamelMessageInfo *info, CamelException *ex);
static void disco_copy_messages_to (CamelFolder *source, GPtrArray *uids,
CamelFolder *destination, CamelException *ex);
static void disco_move_messages_to (CamelFolder *source, GPtrArray *uids,
CamelFolder *destination, CamelException *ex);
static void disco_cache_message (CamelDiscoFolder *disco_folder,
const char *uid, CamelException *ex);
static void disco_prepare_for_offline (CamelDiscoFolder *disco_folder,
const char *expression,
CamelException *ex);
static void
camel_disco_folder_class_init (CamelDiscoFolderClass *camel_disco_folder_class)
{
CamelFolderClass *camel_folder_class = CAMEL_FOLDER_CLASS (camel_disco_folder_class);
parent_class = CAMEL_FOLDER_CLASS (camel_type_get_global_classfuncs (camel_folder_get_type ()));
/* virtual method definition */
camel_disco_folder_class->cache_message = disco_cache_message;
camel_disco_folder_class->prepare_for_offline = disco_prepare_for_offline;
/* virtual method overload */
camel_folder_class->refresh_info = disco_refresh_info;
camel_folder_class->sync = disco_sync;
camel_folder_class->expunge = disco_expunge;
camel_folder_class->append_message = disco_append_message;
camel_folder_class->copy_messages_to = disco_copy_messages_to;
camel_folder_class->move_messages_to = disco_move_messages_to;
}
CamelType
camel_disco_folder_get_type (void)
{
static CamelType camel_disco_folder_type = CAMEL_INVALID_TYPE;
if (camel_disco_folder_type == CAMEL_INVALID_TYPE) {
camel_disco_folder_type = camel_type_register (
CAMEL_FOLDER_TYPE, "CamelDiscoFolder",
sizeof (CamelDiscoFolder),
sizeof (CamelDiscoFolderClass),
(CamelObjectClassInitFunc) camel_disco_folder_class_init,
NULL, NULL, NULL);
}
return camel_disco_folder_type;
}
static void
disco_refresh_info (CamelFolder *folder, CamelException *ex)
{
if (camel_disco_store_status (CAMEL_DISCO_STORE (folder->parent_store)) != CAMEL_DISCO_STORE_ONLINE)
return;
CDF_CLASS (folder)->refresh_info_online (folder, ex);
}
static void
disco_sync (CamelFolder *folder, gboolean expunge, CamelException *ex)
{
if (expunge) {
disco_expunge (folder, ex);
if (camel_exception_is_set (ex))
return;
}
switch (camel_disco_store_status (CAMEL_DISCO_STORE (folder->parent_store))) {
case CAMEL_DISCO_STORE_ONLINE:
CDF_CLASS (folder)->sync_online (folder, ex);
break;
case CAMEL_DISCO_STORE_OFFLINE:
CDF_CLASS (folder)->sync_offline (folder, ex);
break;
case CAMEL_DISCO_STORE_RESYNCING:
CDF_CLASS (folder)->sync_resyncing (folder, ex);
break;
}
}
static void
disco_expunge_uids (CamelFolder *folder, GPtrArray *uids, CamelException *ex)
{
CamelDiscoStore *disco = CAMEL_DISCO_STORE (folder->parent_store);
if (uids->len == 0)
return;
switch (camel_disco_store_status (disco)) {
case CAMEL_DISCO_STORE_ONLINE:
CDF_CLASS (folder)->expunge_uids_online (folder, uids, ex);
break;
case CAMEL_DISCO_STORE_OFFLINE:
CDF_CLASS (folder)->expunge_uids_offline (folder, uids, ex);
break;
case CAMEL_DISCO_STORE_RESYNCING:
CDF_CLASS (folder)->expunge_uids_resyncing (folder, uids, ex);
break;
}
}
static void
disco_expunge (CamelFolder *folder, CamelException *ex)
{
GPtrArray *uids;
int i, count;
CamelMessageInfo *info;
uids = g_ptr_array_new ();
count = camel_folder_summary_count (folder->summary);
for (i = 0; i < count; i++) {
info = camel_folder_summary_index (folder->summary, i);
if (info->flags & CAMEL_MESSAGE_DELETED)
g_ptr_array_add (uids, g_strdup (camel_message_info_uid (info)));
camel_folder_summary_info_free (folder->summary, info);
}
disco_expunge_uids (folder, uids, ex);
for (i = 0; i < uids->len; i++)
g_free (uids->pdata[i]);
g_ptr_array_free (uids, TRUE);
}
static void
disco_append_message (CamelFolder *folder, CamelMimeMessage *message,
const CamelMessageInfo *info, CamelException *ex)
{
CamelDiscoStore *disco = CAMEL_DISCO_STORE (folder->parent_store);
switch (camel_disco_store_status (disco)) {
case CAMEL_DISCO_STORE_ONLINE:
CDF_CLASS (folder)->append_online (folder, message, info, ex);
break;
case CAMEL_DISCO_STORE_OFFLINE:
CDF_CLASS (folder)->append_offline (folder, message, info, ex);
break;
case CAMEL_DISCO_STORE_RESYNCING:
CDF_CLASS (folder)->append_resyncing (folder, message, info, ex);
break;
}
}
static void
disco_copy_messages_to (CamelFolder *source, GPtrArray *uids,
CamelFolder *destination, CamelException *ex)
{
CamelDiscoStore *disco = CAMEL_DISCO_STORE (source->parent_store);
switch (camel_disco_store_status (disco)) {
case CAMEL_DISCO_STORE_ONLINE:
CDF_CLASS (source)->copy_online (source, uids, destination, ex);
break;
case CAMEL_DISCO_STORE_OFFLINE:
CDF_CLASS (source)->copy_offline (source, uids, destination, ex);
break;
case CAMEL_DISCO_STORE_RESYNCING:
CDF_CLASS (source)->copy_resyncing (source, uids, destination, ex);
break;
}
}
static void
disco_move_messages_to (CamelFolder *source, GPtrArray *uids,
CamelFolder *destination, CamelException *ex)
{
CamelDiscoStore *disco = CAMEL_DISCO_STORE (source->parent_store);
switch (camel_disco_store_status (disco)) {
case CAMEL_DISCO_STORE_ONLINE:
CDF_CLASS (source)->move_online (source, uids, destination, ex);
break;
case CAMEL_DISCO_STORE_OFFLINE:
CDF_CLASS (source)->move_offline (source, uids, destination, ex);
break;
case CAMEL_DISCO_STORE_RESYNCING:
CDF_CLASS (source)->move_resyncing (source, uids, destination, ex);
break;
}
}
/**
* camel_disco_folder_expunge_uids:
* @folder: a (disconnectable) folder
* @uids: array of UIDs to expunge
* @ex: a CamelException
*
* This expunges the messages in @uids from @folder. It should take
* whatever steps are needed to avoid expunging any other messages,
* although in some cases it may not be possible to avoid expunging
* messages that are marked deleted by another client at the same time
* as the expunge_uids call is running.
**/
void
camel_disco_folder_expunge_uids (CamelFolder *folder, GPtrArray *uids,
CamelException *ex)
{
disco_expunge_uids (folder, uids, ex);
}
static void
disco_cache_message (CamelDiscoFolder *disco_folder, const char *uid,
CamelException *ex)
{
g_warning ("CamelDiscoFolder::cache_message not implemented for `%s'",
camel_type_to_name (CAMEL_OBJECT_GET_TYPE (disco_folder)));
}
/**
* camel_disco_folder_cache_message:
* @disco_folder: the folder
* @uid: the UID of the message to cache
* @ex: a CamelException
*
* Requests that @disco_folder cache message @uid to disk.
**/
void
camel_disco_folder_cache_message (CamelDiscoFolder *disco_folder,
const char *uid, CamelException *ex)
{
CDF_CLASS (disco_folder)->cache_message (disco_folder, uid, ex);
}
static void
disco_prepare_for_offline (CamelDiscoFolder *disco_folder,
const char *expression,
CamelException *ex)
{
CamelFolder *folder = CAMEL_FOLDER (disco_folder);
GPtrArray *uids;
int i;
if (expression)
uids = camel_folder_search_by_expression (folder, expression, ex);
else
uids = camel_folder_get_uids (folder);
if (!uids)
return;
for (i = 0; i < uids->len; i++) {
camel_disco_folder_cache_message (disco_folder, uids->pdata[i], ex);
if (camel_exception_is_set (ex))
break;
}
if (expression)
camel_folder_search_free (folder, uids);
else
camel_folder_free_uids (folder, uids);
}
/**
* camel_disco_folder_prepare_for_offline:
* @disco_folder: the folder
* @expression: an expression describing messages to synchronize, or %NULL
* if all messages should be sync'ed.
* @ex: a CamelException
*
* This prepares @disco_folder for offline operation, by downloading
* the bodies of all messages described by @expression (using the
* same syntax as camel_folder_search_by_expression() ).
**/
void
camel_disco_folder_prepare_for_offline (CamelDiscoFolder *disco_folder,
const char *expression,
CamelException *ex)
{
g_return_if_fail (CAMEL_IS_DISCO_FOLDER (disco_folder));
CDF_CLASS (disco_folder)->prepare_for_offline (disco_folder, expression, ex);
}
