diff options
Diffstat (limited to 'camel/camel-disco-store.c')
| -rw-r--r-- | camel/camel-disco-store.c | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/camel/camel-disco-store.c b/camel/camel-disco-store.c deleted file mode 100644 index 145636f58d..0000000000 --- a/camel/camel-disco-store.c +++ /dev/null @@ -1,342 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-disco-store.c: abstract class for a disconnectable remote store */ - -/* - * Authors: Dan Winship <danw@ximian.com> - * - * Copyright 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 Street #330, Boston, MA 02111-1307, USA. - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "camel-disco-store.h" -#include "camel-disco-diary.h" -#include "camel-exception.h" -#include "camel-session.h" - -#define CDS_CLASS(o) (CAMEL_DISCO_STORE_CLASS (CAMEL_OBJECT_GET_CLASS (o))) - -static CamelRemoteStoreClass *remote_store_class = NULL; - -static void disco_construct (CamelService *service, CamelSession *session, - CamelProvider *provider, CamelURL *url, - CamelException *ex); -static gboolean disco_connect (CamelService *service, CamelException *ex); -static void disco_cancel_connect (CamelService *service); -static gboolean disco_disconnect (CamelService *service, gboolean clean, CamelException *ex); -static CamelFolder *disco_get_folder (CamelStore *store, const char *name, - guint32 flags, CamelException *ex); -static CamelFolderInfo *disco_get_folder_info (CamelStore *store, - const char *top, guint32 flags, - CamelException *ex); -static void set_status (CamelDiscoStore *disco_store, - CamelDiscoStoreStatus status, - CamelException *ex); -static gboolean can_work_offline (CamelDiscoStore *disco_store); - -static void -camel_disco_store_class_init (CamelDiscoStoreClass *camel_disco_store_class) -{ - CamelServiceClass *camel_service_class = - CAMEL_SERVICE_CLASS (camel_disco_store_class); - CamelStoreClass *camel_store_class = - CAMEL_STORE_CLASS (camel_disco_store_class); - - remote_store_class = CAMEL_REMOTE_STORE_CLASS (camel_type_get_global_classfuncs (camel_remote_store_get_type ())); - - /* virtual method definition */ - camel_disco_store_class->set_status = set_status; - camel_disco_store_class->can_work_offline = can_work_offline; - - /* virtual method overload */ - camel_service_class->construct = disco_construct; - camel_service_class->connect = disco_connect; - camel_service_class->disconnect = disco_disconnect; - camel_service_class->cancel_connect = disco_cancel_connect; - - camel_store_class->get_folder = disco_get_folder; - camel_store_class->get_folder_info = disco_get_folder_info; -} - -CamelType -camel_disco_store_get_type (void) -{ - static CamelType camel_disco_store_type = CAMEL_INVALID_TYPE; - - if (camel_disco_store_type == CAMEL_INVALID_TYPE) { - camel_disco_store_type = camel_type_register ( - CAMEL_REMOTE_STORE_TYPE, "CamelDiscoStore", - sizeof (CamelDiscoStore), - sizeof (CamelDiscoStoreClass), - (CamelObjectClassInitFunc) camel_disco_store_class_init, - NULL, - NULL, - NULL); - } - - return camel_disco_store_type; -} - -static void -disco_construct (CamelService *service, CamelSession *session, - CamelProvider *provider, CamelURL *url, - CamelException *ex) -{ - CamelDiscoStore *disco = CAMEL_DISCO_STORE (service); - - CAMEL_SERVICE_CLASS (remote_store_class)->construct (service, session, provider, url, ex); - if (camel_exception_is_set (ex)) - return; - - disco->status = camel_session_is_online (session) ? - CAMEL_DISCO_STORE_ONLINE : CAMEL_DISCO_STORE_OFFLINE; -} - -static gboolean -disco_connect (CamelService *service, CamelException *ex) -{ - CamelDiscoStore *store = CAMEL_DISCO_STORE (service); - CamelDiscoStoreStatus status; - - status = camel_disco_store_status (store); - if (status != CAMEL_DISCO_STORE_OFFLINE) { - if (!CAMEL_SERVICE_CLASS (remote_store_class)->connect (service, ex)) { - status = camel_disco_store_status (store); - if (status != CAMEL_DISCO_STORE_OFFLINE) - return FALSE; - camel_exception_clear (ex); - } - } - - switch (status) { - case CAMEL_DISCO_STORE_ONLINE: - case CAMEL_DISCO_STORE_RESYNCING: - if (!CDS_CLASS (service)->connect_online (service, ex)) - return FALSE; - if (camel_disco_diary_empty (store->diary)) - return TRUE; - - /* Need to resync */ - store->status = CAMEL_DISCO_STORE_RESYNCING; - camel_disco_diary_replay (store->diary, ex); - store->status = CAMEL_DISCO_STORE_ONLINE; - if (camel_exception_is_set (ex)) - return FALSE; - - if (!camel_service_disconnect (service, TRUE, ex)) - return FALSE; - return camel_service_connect (service, ex); - - case CAMEL_DISCO_STORE_OFFLINE: - return CDS_CLASS (service)->connect_offline (service, ex); - } - - g_assert_not_reached (); - return FALSE; -} - -static void -disco_cancel_connect (CamelService *service) -{ - CamelDiscoStore *store = CAMEL_DISCO_STORE (service); - - /* Fall back */ - store->status = CAMEL_DISCO_STORE_OFFLINE; - - CAMEL_SERVICE_CLASS (remote_store_class)->cancel_connect (service); -} - -static gboolean -disco_disconnect (CamelService *service, gboolean clean, CamelException *ex) -{ - CamelDiscoStore *store = CAMEL_DISCO_STORE (service); - - switch (camel_disco_store_status (store)) { - case CAMEL_DISCO_STORE_ONLINE: - case CAMEL_DISCO_STORE_RESYNCING: - if (!CDS_CLASS (service)->disconnect_online (service, clean, ex)) - return FALSE; - break; - - case CAMEL_DISCO_STORE_OFFLINE: - if (!CDS_CLASS (service)->disconnect_offline (service, clean, ex)) - return FALSE; - break; - - } - - return CAMEL_SERVICE_CLASS (remote_store_class)->disconnect (service, clean, ex); -} - -static CamelFolder * -disco_get_folder (CamelStore *store, const char *name, - guint32 flags, CamelException *ex) -{ - CamelDiscoStore *disco_store = CAMEL_DISCO_STORE (store); - - switch (camel_disco_store_status (disco_store)) { - case CAMEL_DISCO_STORE_ONLINE: - return CDS_CLASS (store)->get_folder_online (store, name, flags, ex); - - case CAMEL_DISCO_STORE_OFFLINE: - return CDS_CLASS (store)->get_folder_offline (store, name, flags, ex); - - case CAMEL_DISCO_STORE_RESYNCING: - return CDS_CLASS (store)->get_folder_resyncing (store, name, flags, ex); - } - - g_assert_not_reached (); - return NULL; -} - -static CamelFolderInfo * -disco_get_folder_info (CamelStore *store, const char *top, - guint32 flags, CamelException *ex) -{ - CamelDiscoStore *disco_store = CAMEL_DISCO_STORE (store); - - /* Do this first so if we get forced offline, we'll switch to - * the correct branch below. (FIXME: This only works because - * we know that get_folder_info is the first call that the - * mailer makes on a store.) - */ - if (CAMEL_SERVICE (store)->status == CAMEL_SERVICE_DISCONNECTED) { - if (!camel_service_connect (CAMEL_SERVICE (store), ex)) - return NULL; - } - - switch (camel_disco_store_status (disco_store)) { - case CAMEL_DISCO_STORE_ONLINE: - return CDS_CLASS (store)->get_folder_info_online (store, top, flags, ex); - - case CAMEL_DISCO_STORE_OFFLINE: - /* Can't edit subscriptions while offline */ - if ((store->flags & CAMEL_STORE_SUBSCRIPTIONS) && - !(flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED)) { - camel_disco_store_check_online (disco_store, ex); - return NULL; - } - - return CDS_CLASS (store)->get_folder_info_offline (store, top, flags, ex); - - case CAMEL_DISCO_STORE_RESYNCING: - return CDS_CLASS (store)->get_folder_info_resyncing (store, top, flags, ex); - } - - g_assert_not_reached (); - return NULL; -} - - -/** - * camel_disco_store_status: - * @store: a disconnectable store - * - * Return value: the current online/offline status of @store. - **/ -CamelDiscoStoreStatus -camel_disco_store_status (CamelDiscoStore *store) -{ - g_return_val_if_fail (CAMEL_IS_DISCO_STORE (store), CAMEL_DISCO_STORE_ONLINE); - - return store->status; -} - - -static void -set_status (CamelDiscoStore *disco_store, CamelDiscoStoreStatus status, - CamelException *ex) -{ - if (disco_store->status == status) - return; - - camel_store_sync (CAMEL_STORE (disco_store), ex); - if (camel_exception_is_set (ex)) - return; - if (!camel_service_disconnect (CAMEL_SERVICE (disco_store), TRUE, ex)) - return; - - disco_store->status = status; - camel_service_connect (CAMEL_SERVICE (disco_store), ex); -} - -/** - * camel_disco_store_set_status: - * @store: a disconnectable store - * @status: the new status - * @ex: a CamelException - * - * Sets @store to @status. If an error occurrs and the status cannot - * be set to @status, @ex will be set. - **/ -void -camel_disco_store_set_status (CamelDiscoStore *store, - CamelDiscoStoreStatus status, - CamelException *ex) -{ - CDS_CLASS (store)->set_status (store, status, ex); -} - - -static gboolean -can_work_offline (CamelDiscoStore *disco_store) -{ - g_warning ("CamelDiscoStore::can_work_offline not implemented for `%s'", - camel_type_to_name (CAMEL_OBJECT_GET_TYPE (disco_store))); - return FALSE; -} - -/** - * camel_disco_store_can_work_offline: - * @store: a disconnectable store - * - * Return value: whether or not @store can be used offline. (Will be - * %FALSE if the store is not caching data to local disk, for example.) - **/ -gboolean -camel_disco_store_can_work_offline (CamelDiscoStore *store) -{ - return CDS_CLASS (store)->can_work_offline (store); -} - - -/** - * camel_disco_store_check_online: - * @store: a disconnectable store - * @ex: a CamelException - * - * This checks that @store is online, and sets @ex if it is not. This - * can be used as a simple way to set a generic error message in @ex - * for operations that won't work offline. - * - * Return value: whether or not @store is online. - **/ -gboolean -camel_disco_store_check_online (CamelDiscoStore *store, CamelException *ex) -{ - if (camel_disco_store_status (store) != CAMEL_DISCO_STORE_ONLINE) { - camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("You must be working online to " - "complete this operation")); - return FALSE; - } - - return TRUE; -} |