path: root/mail/mail-callbacks.c

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

/* 
 * Authors: 
 *  Dan Winship <danw@helixcode.com>
 *  Peter Williams <peterw@helixcode.com>
 *  Jeffrey Stedfast <fejj@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 <libgnomeprint/gnome-print-master.h>
#include <libgnomeprint/gnome-print-master-preview.h>
#include "mail.h"
#include "mail-callbacks.h"
#include "mail-config.h"
#include "mail-threads.h"
#include "mail-tools.h"
#include "mail-ops.h"
#include "mail-local.h"
#include "mail-vfolder.h"
#include "folder-browser.h"
#include "subscribe-dialog.h"
#include "filter/filter-editor.h"
#include "filter/filter-driver.h"
#include <gal/e-table/e-table.h>
#include <gal/widgets/e-gui-utils.h>

/* FIXME: is there another way to do this? */
#include "Evolution.h"
#include "evolution-storage.h"

#include "evolution-shell-client.h"

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

struct post_send_data {
    CamelFolder *folder;
    gchar *uid;
    guint32 flags;
};

static gboolean
check_configured (FolderBrowser *fb)
{
    if (mail_config_is_configured ())
        return TRUE;
    
    if (fb) {
        GtkWidget *dialog;
        
        dialog = gnome_message_box_new (_("You have not configured the mail client.\n"
                          "You need to do this before you can send,\n"
                          "receive or compose mail.\n"
                          "Would you like to configure it now?"),
                        GNOME_MESSAGE_BOX_QUESTION,
                        GNOME_STOCK_BUTTON_YES,
                        GNOME_STOCK_BUTTON_NO, NULL);
        gnome_dialog_set_parent (GNOME_DIALOG (dialog),
                     GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET(fb), GTK_TYPE_WINDOW)));
        
        switch (gnome_dialog_run_and_close (GNOME_DIALOG (dialog))) {
        case 0:
            mail_config_druid (fb->shell);
            break;
        case 1:
        default:
            break;
        }
        
        return mail_config_is_configured ();
    } else
        return FALSE;
}

static gboolean
check_send_configuration (FolderBrowser *fb)
{
    MailConfigService *xport = NULL;
    
    /* Check general */
    
    if (!check_configured (fb)) {
        return FALSE;
    }
    
    /* Check for an identity */
    
    if (!mail_config_get_default_identity ()) {
        GtkWidget *message;
        
        message = gnome_warning_dialog_parented (_("You need to configure an identity\n"
                               "before you can compose mail."),
                             GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (fb),
                                                  GTK_TYPE_WINDOW)));
        gnome_dialog_run_and_close (GNOME_DIALOG (message));
        return FALSE;
    }
    
    /* Check for a transport */
    
    xport = mail_config_get_transport ();
    if (!xport || !xport->url) {
        GtkWidget *message;
        
        message = gnome_warning_dialog_parented (_("You need to configure a mail transport\n"
                               "before you can compose mail."),
                             GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (fb),
                                                  GTK_TYPE_WINDOW)));
        gnome_dialog_run_and_close (GNOME_DIALOG (message));
        return FALSE;
    }
    
    return TRUE;
}

static void
main_select_first_unread (CamelObject *object, gpointer event_data, gpointer data)
{
    FolderBrowser *fb = FOLDER_BROWSER (data);
    /*ETable *table = E_TABLE_SCROLLED (fb->message_list->etable)->table;*/
    
    message_list_select (fb->message_list, 0, MESSAGE_LIST_SELECT_NEXT,
                 0, CAMEL_MESSAGE_SEEN);
}

static void
select_first_unread (CamelObject *object, gpointer event_data, gpointer data)
{
    mail_op_forward_event (main_select_first_unread, object, event_data, data);
}

void
fetch_mail (GtkWidget *widget, gpointer user_data)
{
    GSList *sources;
    
    if (!check_configured (FOLDER_BROWSER (user_data))) {
        GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (user_data),
                              GTK_TYPE_WINDOW);
        
        gnome_error_dialog_parented (_("You have no mail sources "
                           "configured"),
                         GTK_WINDOW (win));
        return;
    }
    
    sources = mail_config_get_sources ();
    
    if (!sources || !sources->data) {
        GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (user_data),
                              GTK_TYPE_WINDOW);
        
        gnome_error_dialog_parented (_("You have no mail sources "
                           "configured"),
                         GTK_WINDOW (win));
        return;
    }
    
    while (sources) {
        MailConfigService *source;
        
        source = (MailConfigService *) sources->data;
        sources = sources->next;
        
        if (!source || !source->url) {
            g_warning ("Bad source in fetch_mail??");
            continue;
        }
        
        mail_do_fetch_mail (source->url, source->keep_on_server, 
                    NULL, select_first_unread, user_data);
    }
}

void
send_queued_mail (GtkWidget *widget, gpointer user_data)
{
    extern CamelFolder *outbox_folder;
    MailConfigService *transport;
    
    if (!mail_config_is_configured ()) {
        return;
    }
    
    transport = mail_config_get_transport ();
    if (!transport) {
        GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (user_data),
                              GTK_TYPE_WINDOW);
        
        gnome_error_dialog_parented (_("You have not set a mail transport method"),
                         GTK_WINDOW (win));
        return;
    }
    
    if (!outbox_folder) {
        GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (user_data),
                              GTK_TYPE_WINDOW);
        
        gnome_error_dialog_parented (_("You have no Outbox configured"),
                         GTK_WINDOW (win));
        return;
    }
    
    mail_do_send_queue (outbox_folder, transport->url);
}

void
send_receieve_mail (GtkWidget *widget, gpointer user_data)
{
    /* receive first then send, this is a temp fix for POP-before-SMTP */
    fetch_mail (widget, user_data);
    send_queued_mail (widget, user_data);
}

static gboolean
ask_confirm_for_empty_subject (EMsgComposer *composer)
{
    GtkWidget *message_box;
    int button;
    
    message_box = gnome_message_box_new (_("This message has no subject.\nReally send?"),
                         GNOME_MESSAGE_BOX_QUESTION,
                         GNOME_STOCK_BUTTON_YES, GNOME_STOCK_BUTTON_NO,
                         NULL);
    
    button = gnome_dialog_run_and_close (GNOME_DIALOG (message_box));
    
    if (button == 0)
        return TRUE;
    else
        return FALSE;
}

static void
free_psd (GtkWidget *composer, gpointer user_data)
{
    struct post_send_data *psd = user_data;
    
    if (psd->folder)
        camel_object_unref (CAMEL_OBJECT (psd->folder));
    if (psd->uid)
        g_free (psd->uid);
    g_free (psd);
}

void
composer_send_cb (EMsgComposer *composer, gpointer data)
{
    MailConfigService *xport = NULL;
    CamelMimeMessage *message;
    const CamelInternetAddress *iaddr;
    const char *subject;
    struct post_send_data *psd = data;
    
    /* Config info */
    xport = mail_config_get_transport ();
    
    /* Get the message */
    message = e_msg_composer_get_message (composer);
    
    /* Check for no recipients */
    iaddr = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_TO);
    if (!iaddr || CAMEL_ADDRESS (iaddr)->addresses->len == 0) {
        GtkWidget *message_box;
        
        message_box = gnome_message_box_new (_("You must specify recipients in order to send this message."),
                             GNOME_MESSAGE_BOX_WARNING,
                             GNOME_STOCK_BUTTON_OK,
                             NULL);
        
        gnome_dialog_run_and_close (GNOME_DIALOG (message_box));
        
        camel_object_unref (CAMEL_OBJECT (message));
        return;
    }
    
    /* Check for no subject */
    subject = camel_mime_message_get_subject (message);
    if (subject == NULL || subject[0] == '\0') {
        if (!ask_confirm_for_empty_subject (composer)) {
            camel_object_unref (CAMEL_OBJECT (message));
            return;
        }
    }
    
    if (psd) {
        mail_do_send_mail (xport->url, message, 
                   psd->folder, psd->uid, psd->flags, 
                   GTK_WIDGET (composer));
    } else {
        mail_do_send_mail (xport->url, message, NULL, NULL, 0,
                   GTK_WIDGET (composer));
    }
}

void
composer_postpone_cb (EMsgComposer *composer, gpointer data)
{
    extern CamelFolder *outbox_folder;
    CamelMimeMessage *message;
    struct post_send_data *psd = data;
    const char *subject;
    
    /* Get the message */
    message = e_msg_composer_get_message (composer);
    
    /* Check for no subject */
    subject = camel_mime_message_get_subject (message);
    if (subject == NULL || subject[0] == '\0') {
        if (!ask_confirm_for_empty_subject (composer)) {
            camel_object_unref (CAMEL_OBJECT (message));
            return;
        }
    }
    
    /* Save the message in Outbox */
    mail_do_append_mail (outbox_folder, message, NULL);
    
    if (psd) {
        guint32 set;
        
        set = camel_folder_get_message_flags (psd->folder, psd->uid);
        camel_folder_set_message_flags (psd->folder, psd->uid,
                        psd->flags, psd->flags);
    }
    
    gtk_widget_destroy (GTK_WIDGET (composer));
}

static GtkWidget *
create_msg_composer (const char *url)
{
       MailConfigIdentity *id;
       gboolean send_html;
       gchar *sig_file = NULL;
       EMsgComposer *composer;
       
       id = mail_config_get_default_identity ();
       send_html = mail_config_send_html ();
       
       if (id)
               sig_file = id->sig;
       
       if (url != NULL) {
               composer = e_msg_composer_new_from_url (url);
           if (composer)
               e_msg_composer_set_send_html (composer, send_html);
       } else
               composer = e_msg_composer_new_with_sig_file (sig_file, send_html);

       return (GtkWidget *)composer;
}

void
compose_msg (GtkWidget *widget, gpointer user_data)
{
    GtkWidget *composer;
    
    if (!check_send_configuration (FOLDER_BROWSER (user_data)))
        return;
    
    composer = create_msg_composer (NULL);
    if (!composer)
        return;
    
    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                GTK_SIGNAL_FUNC (composer_postpone_cb), NULL);
    
    gtk_widget_show (composer);
}

/* Send according to a mailto (RFC 2368) URL. */
void
send_to_url (const char *url)
{
    GtkWidget *composer;
    
    /* FIXME: no way to get folder browser? Not without
     * big pain in the ass, as far as I can tell */
    if (!check_send_configuration (NULL))
        return;
    
    composer = create_msg_composer (url);
    if (!composer)
        return;
    
    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                GTK_SIGNAL_FUNC (composer_postpone_cb), NULL);
    
    gtk_widget_show (composer);
}   

void
mail_reply (CamelFolder *folder, CamelMimeMessage *msg, const char *uid, gboolean to_all)
{
    EMsgComposer *composer;
    struct post_send_data *psd;
    
    g_return_if_fail (folder != NULL);
    g_return_if_fail (msg != NULL);
    g_return_if_fail (uid != NULL);

    psd = g_new (struct post_send_data, 1);
    psd->folder = folder;
    camel_object_ref (CAMEL_OBJECT (psd->folder));
    psd->uid = g_strdup (uid);
    psd->flags = CAMEL_MESSAGE_ANSWERED;
    
    composer = mail_generate_reply (msg, to_all);
    if (!composer)
        return;
    
    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), psd);
    gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                GTK_SIGNAL_FUNC (composer_postpone_cb), psd);
    gtk_signal_connect (GTK_OBJECT (composer), "destroy",
                GTK_SIGNAL_FUNC (free_psd), psd);
    
    gtk_widget_show (GTK_WIDGET (composer));    
}

void
reply_to_sender (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    
    if (!check_send_configuration (fb))
        return;

    mail_reply (fb->folder, fb->mail_display->current_message, 
           fb->message_list->cursor_uid, FALSE);
}

void
reply_to_all (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);

    if (!check_send_configuration (fb))
        return;

    mail_reply (fb->folder, fb->mail_display->current_message, 
           fb->message_list->cursor_uid, TRUE);
}

void
enumerate_msg (MessageList *ml, const char *uid, gpointer data)
{
    g_ptr_array_add ((GPtrArray *) data, g_strdup (uid));
}

static void
forward_message (FolderBrowser *fb, gboolean attach)
{
    EMsgComposer *composer;
    CamelMimeMessage *cursor_msg;
    MailConfigIdentity *id;
    GPtrArray *uids;
    gchar *sig_file = NULL;
    gboolean send_html;
    
    cursor_msg = fb->mail_display->current_message;
    g_return_if_fail (cursor_msg != NULL);
    
    if (!check_send_configuration (fb))
        return;
    
    id = mail_config_get_default_identity ();
    send_html = mail_config_send_html ();
    
    if (id)
        sig_file = id->sig;
    
    composer = e_msg_composer_new_with_sig_file (sig_file, send_html);
    if (!composer)
        return;
    
    uids = g_ptr_array_new ();
    if (attach)
        message_list_foreach (fb->message_list, enumerate_msg, uids);
    else
        g_ptr_array_add (uids, g_strdup (fb->message_list->cursor_uid));
    
    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                GTK_SIGNAL_FUNC (composer_postpone_cb), NULL);
    
    mail_do_forward_message (cursor_msg,
                 fb->message_list->folder,
                 uids, composer, attach);
}

void
forward_inlined (GtkWidget *widget, gpointer user_data)
{
    forward_message (FOLDER_BROWSER (user_data), FALSE);
}

void
forward_attached (GtkWidget *widget, gpointer user_data)
{
    forward_message (FOLDER_BROWSER (user_data), TRUE);
}

static void
transfer_msg (GtkWidget *widget, gpointer user_data, gboolean delete_from_source)
{
    FolderBrowser *fb = user_data;
    MessageList *ml = fb->message_list;
    GPtrArray *uids;
    char *uri, *physical, *path;
    char *desc;
    const char *allowed_types[] = { "mail", NULL };
    extern EvolutionShellClient *global_shell_client;
    static char *last = NULL;
    
    if (last == NULL)
        last = g_strdup ("");
    
    if (delete_from_source)
        desc = _("Move message(s) to");
    else
        desc = _("Copy message(s) to");
    
    evolution_shell_client_user_select_folder  (global_shell_client,
                            desc,
                            last, allowed_types, &uri, &physical);
    if (!uri)
        return;
    
    path = strchr (uri, '/');
    if (path && strcmp (last, path) != 0) {
        g_free (last);
        last = g_strdup (path);
    }
    g_free (uri);
    
    uids = g_ptr_array_new ();
    message_list_foreach (ml, enumerate_msg, uids);
    mail_do_transfer_messages (ml->folder, uids, delete_from_source, physical);
}

void
move_msg (GtkWidget *widget, gpointer user_data)
{
    transfer_msg (widget, user_data, TRUE);
}

void
copy_msg (GtkWidget *widget, gpointer user_data)
{
    transfer_msg (widget, user_data, FALSE);
}

void
apply_filters (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
        MessageList *ml = fb->message_list;
    GPtrArray *uids;
    
    uids = g_ptr_array_new ();
    message_list_foreach (ml, enumerate_msg, uids);
    
    mail_do_filter_ondemand (fb->folder, uids);
}

void
select_all (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
        MessageList *ml = fb->message_list;

    if (ml->folder == NULL)
        return;

    e_table_select_all (ml->table);
}

void
invert_selection (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
        MessageList *ml = fb->message_list;

    if (ml->folder == NULL)
        return;

    e_table_invert_selection (ml->table);
}

/* flag all selected messages */
static void
flag_messages(FolderBrowser *fb, guint32 mask, guint32 set)
{
        MessageList *ml = fb->message_list;
    GPtrArray *uids;
    int i;

    if (ml->folder == NULL)
        return;

    /* could just use specific callback but i'm lazy */
    uids = g_ptr_array_new ();
    message_list_foreach (ml, enumerate_msg, uids);
    camel_folder_freeze(ml->folder);
    for (i=0;i<uids->len;i++) {
        camel_folder_set_message_flags(ml->folder, uids->pdata[i], mask, set);
        g_free(uids->pdata[i]);
    }
    camel_folder_thaw(ml->folder);

    g_ptr_array_free(uids, TRUE);
}

void
mark_as_seen (BonoboUIComponent *uih, void *user_data, const char *path)
{
    flag_messages(FOLDER_BROWSER(user_data), CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
}

void
mark_as_unseen (BonoboUIComponent *uih, void *user_data, const char *path)
{
    flag_messages(FOLDER_BROWSER(user_data), CAMEL_MESSAGE_SEEN, 0);
}

static void
do_edit_messages(CamelFolder *folder, GPtrArray *uids, GPtrArray *messages, void *data)
{
    /*FolderBrowser *fb = data;*/
    int i;

    for (i=0; i<messages->len; i++) {
        EMsgComposer *composer;

        composer = e_msg_composer_new_with_message(messages->pdata[i]);
        if (composer) {
            gtk_signal_connect (GTK_OBJECT (composer), "send",
                        composer_send_cb, NULL);
            gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                        composer_postpone_cb, NULL);
            gtk_widget_show (GTK_WIDGET (composer));
        }
    }
}
                   
void
edit_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    GPtrArray *uids;
    extern CamelFolder *drafts_folder;
    
    if (fb->folder != drafts_folder) {
        GtkWidget *message;
        
        message = gnome_warning_dialog (_("You may only edit messages saved\n"
                          "in the Drafts folder."));
        gnome_dialog_run_and_close (GNOME_DIALOG (message));
        return;
    }
    
    if (!check_send_configuration (fb))
        return;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);
    
    mail_get_messages(fb->folder, uids, do_edit_messages, fb);
}

static void
save_msg_ok (GtkWidget *widget, gpointer user_data)
{
    CamelFolder *folder;
    GPtrArray *uids;
    char *path;
    int fd, ret = 0;
    
    /* FIXME: is path an allocated string? */
    path = gtk_file_selection_get_filename (GTK_FILE_SELECTION (user_data));
    
        fd = open (path, O_RDONLY);
    if (fd != -1) {
        GtkWidget *dlg;
        GtkWidget *text;
        
        close (fd);
        
        dlg = gnome_dialog_new (_("Overwrite file?"),
                    GNOME_STOCK_BUTTON_YES, 
                    GNOME_STOCK_BUTTON_NO,
                    NULL);
        text = gtk_label_new (_("A file by that name already exists.\nOverwrite it?"));
        gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dlg)->vbox), text, TRUE, TRUE, 4);
        gtk_window_set_policy (GTK_WINDOW (dlg), FALSE, TRUE, FALSE);
        gtk_widget_show (text);
        
        ret = gnome_dialog_run_and_close (GNOME_DIALOG (dlg));
    }
    
    if (ret == 0) {
        folder = gtk_object_get_data (GTK_OBJECT (user_data), "folder");
        uids = gtk_object_get_data (GTK_OBJECT (user_data), "uids");
        gtk_object_remove_no_notify (GTK_OBJECT (user_data), "uids");
        mail_do_save_messages (folder, uids, path);
    }
    
    gtk_widget_destroy (GTK_WIDGET (user_data));
}

static void
save_msg_destroy (gpointer user_data)
{
    GPtrArray *uids = user_data;
    
    if (uids) {
        int i;
        
        for (i = 0; i < uids->len; i++)
            g_free (uids->pdata[i]);
        
        g_ptr_array_free (uids, TRUE);
    }
}

void
save_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    GtkFileSelection *filesel;
    GPtrArray *uids;
    char *title;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);
    
    if (uids->len == 1)
        title = _("Save Message As...");
    else
        title = _("Save Messages As...");
    
    filesel = GTK_FILE_SELECTION (gtk_file_selection_new (title));
    gtk_object_set_data_full (GTK_OBJECT (filesel), "uids", uids, save_msg_destroy);
    gtk_object_set_data (GTK_OBJECT (filesel), "folder", fb->folder);
    gtk_signal_connect (GTK_OBJECT (filesel->ok_button),
                "clicked", GTK_SIGNAL_FUNC (save_msg_ok), filesel);
    gtk_signal_connect_object (GTK_OBJECT (filesel->cancel_button),
                   "clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
                   GTK_OBJECT (filesel));
    
    gtk_widget_show (GTK_WIDGET (filesel));
}

void
delete_msg (GtkWidget *button, gpointer user_data)
{
    flag_messages(FOLDER_BROWSER(user_data), CAMEL_MESSAGE_DELETED, CAMEL_MESSAGE_DELETED);
}

void
undelete_msg (GtkWidget *button, gpointer user_data)
{
    flag_messages(FOLDER_BROWSER(user_data), CAMEL_MESSAGE_DELETED, 0);
}

static void expunged_folder(CamelFolder *f, void *data)
{
    FolderBrowser *fb = data;

    fb->expunging = NULL;
}

void
expunge_folder (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER(user_data);

    if (fb->folder
        && (fb->expunging == NULL
        || fb->folder != fb->expunging)) {
        fb->expunging = fb->folder;
        mail_expunge_folder(fb->folder, expunged_folder, fb);
    }
}

static void
filter_druid_clicked (GtkWidget *w, int button, FolderBrowser *fb)
{
    FilterContext *fc;
    
    if (button == 0) {
        char *user;
        
        fc = gtk_object_get_data (GTK_OBJECT (w), "context");
        user = g_strdup_printf ("%s/filters.xml", evolution_dir);
        rule_context_save ((RuleContext *)fc, user);
        g_free (user);
    }
    
    if (button != -1) {
        gnome_dialog_close (GNOME_DIALOG (w));
    }
}

void
filter_edit (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    FilterContext *fc;
    char *user, *system;
    GtkWidget *w;
    
    fc = filter_context_new ();
    user = g_strdup_printf ("%s/filters.xml", evolution_dir);
    system = g_strdup_printf ("%s/evolution/filtertypes.xml", EVOLUTION_DATADIR);
    rule_context_load ((RuleContext *)fc, system, user);
    g_free (user);
    g_free (system);
    
    if (((RuleContext *)fc)->error) {
        GtkWidget *dialog;
        gchar *err;
        
        err = g_strdup_printf (_("Error loading filter information:\n%s"),
                       ((RuleContext *)fc)->error);
        dialog = gnome_warning_dialog (err);
        g_free (err);
        
        gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
        return;
    }
    
    w = filter_editor_construct (fc);
    gtk_object_set_data_full (GTK_OBJECT (w), "context", fc, (GtkDestroyNotify)gtk_object_unref);
    gtk_signal_connect (GTK_OBJECT (w), "clicked", filter_druid_clicked, fb);
    gtk_widget_show (GTK_WIDGET (w));
}

void
vfolder_edit_vfolders (BonoboUIComponent *uih, void *user_data, const char *path)
{
    vfolder_edit ();
}

void
providers_config (BonoboUIComponent *uih, void *user_data, const char *path)
{
    mail_config ((FOLDER_BROWSER (user_data))->shell);
}

/*
 * FIXME: This routine could be made generic, by having a closure
 * function plus data, and having the whole process be taken care
 * of for you
 */
static void
do_mail_print (MailDisplay *md, gboolean preview)
{
    GnomePrintContext *print_context;
    GnomePrintMaster *print_master;
    GnomePrintDialog *gpd;
    GnomePrinter *printer = NULL;
    int copies = 1;
    int collate = FALSE;

    if (!preview){

        gpd = GNOME_PRINT_DIALOG (
            gnome_print_dialog_new (_("Print Message"), GNOME_PRINT_DIALOG_COPIES));
        gnome_dialog_set_default (GNOME_DIALOG (gpd), GNOME_PRINT_PRINT);

        switch (gnome_dialog_run (GNOME_DIALOG (gpd))){
        case GNOME_PRINT_PRINT:
            break;
            
        case GNOME_PRINT_PREVIEW:
            preview = TRUE;
            break;

        case -1:
            return;

        default:
            gnome_dialog_close (GNOME_DIALOG (gpd));
            return;
        }

        gnome_print_dialog_get_copies (gpd, &copies, &collate);
        printer = gnome_print_dialog_get_printer (gpd);
        gnome_dialog_close (GNOME_DIALOG (gpd));
    }

    print_master = gnome_print_master_new ();

/*  FIXME: set paper size gnome_print_master_set_paper (print_master,  */

    if (printer)
        gnome_print_master_set_printer (print_master, printer);
    gnome_print_master_set_copies (print_master, copies, collate);
    print_context = gnome_print_master_get_context (print_master);
    gtk_html_print (md->html, print_context);
    gnome_print_master_close (print_master);

    if (preview){
        gboolean landscape = FALSE;
        GnomePrintMasterPreview *preview;
        
        preview = gnome_print_master_preview_new_with_orientation (
            print_master, _("Print Preview"), landscape);
        gtk_widget_show (GTK_WIDGET (preview));
    } else {
        int result = gnome_print_master_print (print_master);

        if (result == -1){
            e_notice (NULL, GNOME_MESSAGE_BOX_ERROR,
                  _("Printing of message failed"));
        }
    }
    gtk_object_unref (GTK_OBJECT (print_master));
}

void
mail_print_preview_msg (MailDisplay *md)
{
    do_mail_print (md, TRUE);
}

void
mail_print_msg (MailDisplay *md)
{
    do_mail_print (md, FALSE);
}

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

    mail_print_msg (fb->mail_display);
}

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

    mail_print_preview_msg (fb->mail_display);
}

void
manage_subscriptions (BonoboUIComponent *uih, void *user_data, const char *path)
{
    /* XXX pass in the selected storage */
    GtkWidget *subscribe = subscribe_dialog_new ((FOLDER_BROWSER (user_data))->shell);

    gtk_widget_show (subscribe);
}

void
configure_folder (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER(user_data);
    
    mail_local_reconfigure_folder(fb);
}

static void
do_view_message(CamelFolder *folder, char *uid, CamelMimeMessage *message, void *data)
{
    /*FolderBrowser *fb = data;*/
    GtkWidget *view;

    if (message) {
        view = mail_view_create(folder, uid, message);
        gtk_widget_show(view);
    }
}

void
view_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = user_data;
    GPtrArray *uids;
    int i;

    if (!fb->folder)
        return;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);
    for (i=0;i<uids->len;i++) {
        mail_get_message(fb->folder, uids->pdata[i], do_view_message, fb, mail_thread_queued);
        g_free(uids->pdata[i]);
    }
    g_ptr_array_free(uids, TRUE);
}

void
view_message (BonoboUIComponent *uih, void *user_data, const char *path)
{
        view_msg (NULL, user_data);
}

void
edit_message (BonoboUIComponent *uih, void *user_data, const char *path)
{
        edit_msg (NULL, user_data);
}