path: root/camel/providers/pop3/camel-pop3-folder.c

/* -*- 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 gboolean has_message_number_capability (CamelFolder *folder);
static CamelMimeMessage *get_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);
    
    /* virtual method overload */
    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->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 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),
                              CAMEL_STREAM_MEM_READ);
    msg = camel_mime_message_new_with_session (camel_service_get_session (CAMEL_SERVICE (folder->parent_store)));
    camel_data_wrapper_set_input_stream (CAMEL_DATA_WRAPPER (msg),
                         msgstream);

    return msg;
}


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;
}