path: root/mail/mail-ops.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* mail-ops.c: callbacks for the mail toolbar/menus */

/* 
 * Author : 
 *  Dan Winship <danw@helixcode.com>
 *
 * Copyright 2000 Helix Code, Inc. (http://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 <config.h>
#include <errno.h>
#include <gnome.h>
#include "mail.h"
#include "folder-browser.h"
#include "e-util/e-setup.h"

#ifndef HAVE_MKSTEMP
#include <fcntl.h>
#include <sys/stat.h>
#endif

static void
mail_exception_dialog (char *head, CamelException *ex, gpointer widget)
{
    char *msg;
    GtkWindow *window =
        GTK_WINDOW (gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW));

    msg = g_strdup_printf ("%s:\n%s", head,
                   camel_exception_get_description (ex));
    gnome_error_dialog_parented (msg, window);
    g_free (msg);
}

static gboolean
check_configured (void)
{
    char *path;
    gboolean configured;

    path = g_strdup_printf ("=%s/config=/mail/configured", evolution_dir);
    if (gnome_config_get_bool (path)) {
        g_free (path);
        return TRUE;
    }

    mail_config_druid ();

    configured = gnome_config_get_bool (path);
    g_free (path);
    return configured;
}

void
fetch_mail (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    CamelException *ex;
    CamelStore *store = NULL;
    CamelFolder *folder = NULL, *outfolder = NULL;
    int nmsgs, i;
    CamelMimeMessage *msg = NULL;
    char *path, *url = NULL;

    if (!check_configured ())
        return;

    path = g_strdup_printf ("=%s/config=/mail/source", evolution_dir);
    url = gnome_config_get_string (path);
    g_free (path);
    if (!url) {
        GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (fb),
                              GTK_TYPE_WINDOW);

        gnome_error_dialog_parented ("You have no remote mail source "
                         "configured", GTK_WINDOW (win));
        return;
    }

    ex = camel_exception_new ();

    /* If fetching mail from an mbox store, safely copy it to a
     * temporary store first.
     */
    if (!strncmp (url, "mbox:", 5)) {
        char *tmp_mbox, *source;
        int tmpfd;

        tmp_mbox = g_strdup_printf ("%s/movemail.XXXX",
                        evolution_folders_dir);
#ifdef HAVE_MKSTEMP
        tmpfd = mkstemp (tmp_mbox);
#else
        if (mktemp (tmp_mbox)) {
            tmpfd = open (tmp_mbox, O_RDWR | O_CREAT | O_EXCL,
                      S_IRUSR | S_IWUSR);
        } else
            tmpfd = -1;
#endif
        if (tmpfd == -1) {
            camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
                          "Couldn't create temporary "
                          "mbox: %s", g_strerror (errno));
            mail_exception_dialog ("Unable to move mail", ex, fb);
            goto cleanup;
        }
        close (tmpfd);

        /* Skip over "mbox://" plus host part (if any) or url. */
        source = strchr (url + 7, '/');

        switch (camel_movemail (source, tmp_mbox, ex)) {
        case -1:
            mail_exception_dialog ("Unable to move mail", ex, fb);
            /* FALL THROUGH */

        case 0:
            unlink (tmp_mbox);
            g_free (tmp_mbox);
            goto cleanup;
        }

        folder = camel_store_get_folder (default_session->store,
                         strrchr (tmp_mbox, '/') + 1,
                         ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to move mail", ex, fb);
            g_free (tmp_mbox);
            goto cleanup;
        }
    } else {
        store = camel_session_get_store (default_session->session,
                         url, ex);
        if (!store) {
            mail_exception_dialog ("Unable to get new mail",
                           ex, fb);
            goto cleanup;
        }
        camel_service_connect_with_url (CAMEL_SERVICE (store),
                        url, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to get new mail",
                           ex, fb);
            goto cleanup;
        }

        folder = camel_store_get_folder (store, "inbox", ex);
        if (!folder) {
            mail_exception_dialog ("Unable to get new mail",
                           ex, fb);
            goto cleanup;
        }
    }

    camel_folder_open (folder, FOLDER_OPEN_READ, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to get new mail", ex, fb);
        goto cleanup;
    }

    nmsgs = camel_folder_get_message_count (folder, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to get new mail", ex, fb);
        goto cleanup;
    }

    if (nmsgs == 0)
        goto cleanup;

    outfolder = camel_store_get_folder (default_session->store,
                        "inbox", ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to open inbox to store mail",
                       ex, fb);
        goto cleanup;
    }
    camel_folder_open (outfolder, FOLDER_OPEN_WRITE, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to open inbox to store mail",
                       ex, fb);
        goto cleanup;
    }

    for (i = 1; i <= nmsgs; i++) {
        msg = camel_folder_get_message_by_number (folder, i, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to read message",
                           ex, fb);
            goto cleanup;
        }

        camel_folder_append_message (outfolder, msg, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to write message",
                           ex, fb);
            goto cleanup;
        }

        camel_folder_delete_message_by_number (folder, i, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to delete message",
                           ex, fb);
            goto cleanup;
        }
    }
    msg = NULL;

    folder_browser_set_uri (fb, "inbox"); /* FIXME */

 cleanup:
    if (url)
        g_free (url);
    if (folder) {
        if (camel_folder_is_open (folder))
            camel_folder_close (folder, TRUE, ex);
        gtk_object_unref (GTK_OBJECT (folder));
    }
    if (store) {
        camel_service_disconnect (CAMEL_SERVICE (store), ex);
        gtk_object_unref (GTK_OBJECT (store));
    }
#if 0
    /* FIXME: we'll want to do this when the rest of the mail
     * stuff is refcounting things properly.
     */
    if (outfolder) {
        if (camel_folder_is_open (outfolder))
            camel_folder_close (outfolder, FALSE, ex);
        gtk_object_unref (GTK_OBJECT (outfolder));
    }
#endif
    camel_exception_free (ex);
    if (msg)
        gtk_object_unref (GTK_OBJECT (msg));
}


static void
composer_send_cb (EMsgComposer *composer, gpointer data)
{
    static CamelTransport *transport = NULL;
    static char *from = NULL;
    CamelException *ex;
    CamelMimeMessage *message;
    char *name, *addr, *path;

    ex = camel_exception_new ();

    if (!from) {
        CamelInternetAddress *ciaddr;

        path = g_strdup_printf ("=%s/config=/mail/id_name",
                    evolution_dir);
        name = gnome_config_get_string (path);
        g_assert (name);
        g_free (path);
        path = g_strdup_printf ("=%s/config=/mail/id_addr",
                    evolution_dir);
        addr = gnome_config_get_string (path);
        g_assert (addr);
        g_free (path);

        ciaddr = camel_internet_address_new ();
        camel_internet_address_add (ciaddr, name, addr);

        from = camel_address_encode (CAMEL_ADDRESS (ciaddr));
    }

    if (!transport) {
        char *url;

        path = g_strdup_printf ("=%s/config=/mail/transport",
                    evolution_dir);
        url = gnome_config_get_string (path);
        g_assert (url);
        g_free (path);

        transport = camel_session_get_transport (
            default_session->session, url, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Could not load mail transport",
                           ex, composer);
            camel_exception_free (ex);
            return;
        }
    }

    message = e_msg_composer_get_message (composer);

    camel_mime_message_set_from (message, from);
    camel_medium_add_header (CAMEL_MEDIUM (message), "X-Mailer",
                 "Evolution (Developer Preview)");
    camel_mime_message_set_date (message, CAMEL_MESSAGE_DATE_CURRENT, 0);

    camel_transport_send (transport, CAMEL_MEDIUM (message), ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Could not send message", ex, composer);
        camel_exception_free (ex);
        gtk_object_unref (GTK_OBJECT (message));
        return;
    }

    gtk_object_unref (GTK_OBJECT (message));
    gtk_object_destroy (GTK_OBJECT (composer));
}


void
send_msg (GtkWidget *widget, gpointer user_data)
{
    GtkWidget *composer;

    if (!check_configured ())
        return;

    composer = e_msg_composer_new ();

    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);
    gtk_widget_show (composer);
}

/* Send according to a mailto (RFC 2368) URL. */
void
send_to_url (const char *url)
{
    GtkWidget *composer;

    if (!check_configured ())
        return;

    composer = e_msg_composer_new_from_url (url);

    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);
    gtk_widget_show (composer);
}   

static void
reply (FolderBrowser *fb, gboolean to_all)
{
    EMsgComposer *composer;

    if (!check_configured ())
        return;

    composer = mail_generate_reply (fb->mail_display->current_message,
                    to_all);

    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);

    gtk_widget_show (GTK_WIDGET (composer));    
}

void
reply_to_sender (GtkWidget *button, gpointer user_data)
{
    reply (FOLDER_BROWSER (user_data), FALSE);
}

void
reply_to_all (GtkWidget *button, gpointer user_data)
{
    reply (FOLDER_BROWSER (user_data), TRUE);
}


void
forward_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb;
    EMsgComposer *composer;

    if (!check_configured ())
        return;

    fb = FOLDER_BROWSER (user_data);
    composer = mail_generate_forward (fb->mail_display->current_message,
                      TRUE, TRUE);

    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);

    gtk_widget_show (GTK_WIDGET (composer));    
}

void
delete_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = user_data;

    if (fb->mail_display->current_message) {
        guint32 flags;

        /* FIXME: table should watch the message with a signal and update display! */

        flags = camel_mime_message_get_flags(fb->mail_display->current_message);
        camel_mime_message_set_flags(fb->mail_display->current_message, CAMEL_MESSAGE_DELETED, ~flags);
        printf("Message %s set to %s\n", fb->mail_display->current_message->message_uid, flags&CAMEL_MESSAGE_DELETED?"UNDELETED":"DELETED");
    }
}

void
expunge_folder (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER(user_data);
    CamelException ex;

    if (fb->message_list->folder) {
        camel_exception_init(&ex);

        camel_folder_expunge(fb->message_list->folder, &ex);

        /* FIXME: is there a better way to force an update? */
        /* FIXME: Folder should raise a signal to say its contents has changed ... */
        e_table_model_changed (fb->message_list->table_model);

/* this always throws an error, when it shouldn't? */
#if 0
        if (camel_exception_get_id (&ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to expunge deleted messages", &ex, fb);
        }
#endif
    }
}