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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-pop3-folder.c : class for a pop3 folder */
/*
* Authors:
* Dan Winship <danw@helixcode.com>
*
* Copyright (C) 2000 Helix Code, Inc. (www.helixcode.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 Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "camel-pop3-folder.h"
#include "camel-pop3-store.h"
#include "camel-exception.h"
#include "camel-stream-mem.h"
#include "camel-mime-message.h"
#include <stdlib.h>
#define CF_CLASS(o) (CAMEL_FOLDER_CLASS (GTK_OBJECT (o)->klass))
static CamelFolderClass *parent_class;
static void pop3_open (CamelFolder *folder, CamelFolderOpenMode mode,
CamelException *ex);
static void pop3_close (CamelFolder *folder, gboolean expunge,
CamelException *ex);
static gboolean delete_messages (CamelFolder *folder, CamelException *ex);
static gboolean has_message_number_capability (CamelFolder *folder);
static CamelMimeMessage *get_message_by_number (CamelFolder *folder,
gint number,
CamelException *ex);
static void delete_message_by_number (CamelFolder *folder, gint number,
CamelException *ex);
static gint get_message_count (CamelFolder *folder, CamelException *ex);
static void
camel_pop3_folder_class_init (CamelPop3FolderClass *camel_pop3_folder_class)
{
CamelFolderClass *camel_folder_class =
CAMEL_FOLDER_CLASS (camel_pop3_folder_class);
parent_class = gtk_type_class (camel_folder_get_type ());
/* virtual method overload */
camel_folder_class->open = pop3_open;
camel_folder_class->close = pop3_close;
camel_folder_class->delete_messages = delete_messages;
camel_folder_class->has_message_number_capability =
has_message_number_capability;
camel_folder_class->get_message_by_number =
get_message_by_number;
camel_folder_class->delete_message_by_number =
delete_message_by_number;
camel_folder_class->get_message_count =
get_message_count;
}
static void
camel_pop3_folder_init (gpointer object, gpointer klass)
{
CamelFolder *folder = CAMEL_FOLDER (object);
folder->can_hold_messages = TRUE;
folder->can_hold_folders = FALSE;
/* Hi. I'm CamelPop3Folder. I'm useless. */
folder->has_summary_capability = FALSE;
folder->has_uid_capability = FALSE;
folder->has_search_capability = FALSE;
}
GtkType
camel_pop3_folder_get_type (void)
{
static GtkType camel_pop3_folder_type = 0;
if (!camel_pop3_folder_type) {
GtkTypeInfo camel_pop3_folder_info =
{
"CamelPop3Folder",
sizeof (CamelPop3Folder),
sizeof (CamelPop3FolderClass),
(GtkClassInitFunc) camel_pop3_folder_class_init,
(GtkObjectInitFunc) camel_pop3_folder_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_pop3_folder_type = gtk_type_unique (CAMEL_FOLDER_TYPE, &camel_pop3_folder_info);
}
return camel_pop3_folder_type;
}
CamelFolder *camel_pop3_folder_new (CamelStore *parent, CamelException *ex)
{
CamelFolder *folder =
CAMEL_FOLDER (gtk_object_new (camel_pop3_folder_get_type (),
NULL));
CF_CLASS (folder)->init (folder, parent, NULL, "inbox", '/', ex);
return folder;
}
static void
pop3_open (CamelFolder *folder, CamelFolderOpenMode mode, CamelException *ex)
{
camel_pop3_store_open (CAMEL_POP3_STORE (folder->parent_store), ex);
if (camel_exception_get_id (ex) == CAMEL_EXCEPTION_NONE)
parent_class->open (folder, mode, ex);
}
static void
pop3_close (CamelFolder *folder, gboolean expunge, CamelException *ex)
{
camel_pop3_store_close (CAMEL_POP3_STORE (folder->parent_store),
expunge, ex);
if (camel_exception_get_id (ex) == CAMEL_EXCEPTION_NONE)
parent_class->close (folder, expunge, ex);
}
static gboolean
delete_messages (CamelFolder *folder, CamelException *ex)
{
int msgs;
gboolean status;
msgs = get_message_count (folder, ex);
if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE)
return FALSE;
status = TRUE;
for (; msgs > 0; msgs--) {
status = status &&
(camel_pop3_command (CAMEL_POP3_STORE (folder->parent_store),
NULL, "DELE %d", msgs) ==
CAMEL_POP3_OK);
}
if (!status) {
camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
"Unable to delete all messages.");
}
return status;
}
static gboolean
has_message_number_capability (CamelFolder *folder)
{
return TRUE;
}
static CamelMimeMessage *
get_message_by_number (CamelFolder *folder, gint number, CamelException *ex)
{
int status;
char *result, *body;
CamelStream *msgstream;
CamelMimeMessage *msg;
status = camel_pop3_command (CAMEL_POP3_STORE (folder->parent_store),
&result, "RETR %d", number);
if (status != CAMEL_POP3_OK) {
CamelService *service = CAMEL_SERVICE (folder->parent_store);
camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
"Could not retrieve message from POP "
"server %s: %s.", service->url->host,
status == CAMEL_POP3_ERR ? result :
"Unknown error");
g_free (result);
return NULL;
}
g_free (result);
body = camel_pop3_command_get_additional_data (CAMEL_POP3_STORE (folder->parent_store));
if (!body) {
CamelService *service = CAMEL_SERVICE (folder->parent_store);
camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
"Could not retrieve message from POP "
"server %s.", service->url->host);
return NULL;
}
msgstream = camel_stream_mem_new_with_buffer (body, strlen (body));
msg = camel_mime_message_new ();
camel_data_wrapper_construct_from_stream (CAMEL_DATA_WRAPPER (msg),
msgstream);
return msg;
}
static void
delete_message_by_number (CamelFolder *folder, gint number, CamelException *ex)
{
int status;
char *resp;
status = camel_pop3_command (CAMEL_POP3_STORE (folder->parent_store),
&resp, "DELE %d", number);
if (status != CAMEL_POP3_OK) {
camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID,
"Unable to delete message %d%s%s",
number, resp ? ": " : "",
resp ? resp : "");
}
g_free (resp);
}
static gint
get_message_count (CamelFolder *folder, CamelException *ex)
{
int status, count;
char *result;
status = camel_pop3_command (CAMEL_POP3_STORE (folder->parent_store),
&result, "STAT");
if (status != CAMEL_POP3_OK) {
CamelService *service = CAMEL_SERVICE (folder->parent_store);
camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
"Could not get message count from POP "
"server %s: %s.", service->url->host,
status == CAMEL_POP3_ERR ? result :
"Unknown error");
g_free (result);
return -1;
}
count = atoi (result);
g_free (result);
return count;
}
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