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-rw-r--r--camel/camel-disco-folder.c399
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diff --git a/camel/camel-disco-folder.c b/camel/camel-disco-folder.c
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-/* -*- 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 version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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"
-
-#include "camel-session.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, char **appended_uid, CamelException *ex);
-static void disco_transfer_messages_to (CamelFolder *source, GPtrArray *uids,
- CamelFolder *destination,
- GPtrArray **transferred_uids,
- gboolean delete_originals,
- 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->transfer_messages_to = disco_transfer_messages_to;
-}
-
-struct _cdf_sync_msg {
- CamelSessionThreadMsg msg;
-
- CamelFolder *folder;
- CamelFolderChangeInfo *changes;
-};
-
-static void
-cdf_sync_offline(CamelSession *session, CamelSessionThreadMsg *mm)
-{
- struct _cdf_sync_msg *m = (struct _cdf_sync_msg *)mm;
- int i;
-
- camel_operation_start(NULL, _("Downloading new messages for offline mode"));
-
- if (m->changes) {
- for (i=0;i<m->changes->uid_added->len;i++) {
- int pc = i * 100 / m->changes->uid_added->len;
-
- camel_operation_progress(NULL, pc);
- camel_disco_folder_cache_message((CamelDiscoFolder *)m->folder,
- m->changes->uid_added->pdata[i],
- &mm->ex);
- }
- } else {
- camel_disco_folder_prepare_for_offline((CamelDiscoFolder *)m->folder,
- "(match-all)",
- &mm->ex);
- }
-
- camel_operation_end(NULL);
-}
-
-static void
-cdf_sync_free(CamelSession *session, CamelSessionThreadMsg *mm)
-{
- struct _cdf_sync_msg *m = (struct _cdf_sync_msg *)mm;
-
- if (m->changes)
- camel_folder_change_info_free(m->changes);
- camel_object_unref(m->folder);
-}
-
-static CamelSessionThreadOps cdf_sync_ops = {
- cdf_sync_offline,
- cdf_sync_free,
-};
-
-static void
-cdf_folder_changed(CamelFolder *folder, CamelFolderChangeInfo *changes, void *dummy)
-{
- if (changes->uid_added->len > 0
- && camel_url_get_param(((CamelService *)folder->parent_store)->url, "offline_sync")) {
- CamelSession *session = ((CamelService *)folder->parent_store)->session;
- struct _cdf_sync_msg *m;
-
- m = camel_session_thread_msg_new(session, &cdf_sync_ops, sizeof(*m));
- m->changes = camel_folder_change_info_new();
- camel_folder_change_info_cat(m->changes, changes);
- m->folder = folder;
- camel_object_ref(folder);
- camel_session_thread_queue(session, &m->msg, 0);
- }
-}
-
-static void
-camel_disco_folder_init(CamelDiscoFolder *folder)
-{
- camel_object_hook_event(folder, "folder_changed", (CamelObjectEventHookFunc)cdf_folder_changed, NULL);
-}
-
-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,
- (CamelObjectInitFunc)camel_disco_folder_init, 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, char **appended_uid,
- 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,
- appended_uid, ex);
- break;
-
- case CAMEL_DISCO_STORE_OFFLINE:
- CDF_CLASS (folder)->append_offline (folder, message, info,
- appended_uid, ex);
- break;
-
- case CAMEL_DISCO_STORE_RESYNCING:
- CDF_CLASS (folder)->append_resyncing (folder, message, info,
- appended_uid, ex);
- break;
- }
-}
-
-static void
-disco_transfer_messages_to (CamelFolder *source, GPtrArray *uids,
- CamelFolder *dest, GPtrArray **transferred_uids,
- gboolean delete_originals, CamelException *ex)
-{
- CamelDiscoStore *disco = CAMEL_DISCO_STORE (source->parent_store);
-
- switch (camel_disco_store_status (disco)) {
- case CAMEL_DISCO_STORE_ONLINE:
- CDF_CLASS (source)->transfer_online (source, uids,
- dest, transferred_uids,
- delete_originals, ex);
- break;
-
- case CAMEL_DISCO_STORE_OFFLINE:
- CDF_CLASS (source)->transfer_offline (source, uids,
- dest, transferred_uids,
- delete_originals, ex);
- break;
-
- case CAMEL_DISCO_STORE_RESYNCING:
- CDF_CLASS (source)->transfer_resyncing (source, uids,
- dest, transferred_uids,
- delete_originals, 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;
-
- camel_operation_start(NULL, _("Preparing folder '%s' for offline"), folder->full_name);
-
- if (expression)
- uids = camel_folder_search_by_expression (folder, expression, ex);
- else
- uids = camel_folder_get_uids (folder);
-
- if (!uids) {
- camel_operation_end(NULL);
- return;
- }
-
- for (i = 0; i < uids->len; i++) {
- int pc = i * 100 / uids->len;
-
- camel_disco_folder_cache_message (disco_folder, uids->pdata[i], ex);
- camel_operation_progress(NULL, pc);
- if (camel_exception_is_set (ex))
- break;
- }
-
- if (expression)
- camel_folder_search_free (folder, uids);
- else
- camel_folder_free_uids (folder, uids);
-
- camel_operation_end(NULL);
-}
-
-/**
- * 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);
-}