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path: root/mail/component-factory.c
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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* component-factory.c
 *
 * Authors: Ettore Perazzoli <ettore@ximian.com>
 *
 * Copyright (C) 2000  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 <string.h>
#include <signal.h>

#include <gconf/gconf.h>
#include <gconf/gconf-client.h>

#include <camel/camel.h>

#include <bonobo/bonobo-generic-factory.h>
#include <bonobo/bonobo-shlib-factory.h>

#include <gal/widgets/e-gui-utils.h>

#include "Evolution.h"
#include "evolution-storage.h"
#include "evolution-wizard.h"

#include "folder-browser-factory.h"
#include "evolution-shell-component.h"
#include "evolution-shell-component-dnd.h"
#include "folder-browser.h"
#include "folder-info.h"
#include "mail.h"
#include "mail-config.h"
#include "mail-config-factory.h"
#include "mail-preferences.h"
#include "mail-composer-prefs.h"
#include "mail-tools.h"
#include "mail-ops.h"
#include "mail-offline-handler.h"
#include "mail-local.h"
#include "mail-session.h"
#include "mail-mt.h"
#include "mail-importer.h"
#include "mail-folder-cache.h"

#include "component-factory.h"

#include "mail-send-recv.h"

#include "mail-vfolder.h"
#include "mail-autofilter.h"

#define d(x)

char *default_drafts_folder_uri;
CamelFolder *drafts_folder = NULL;
char *default_sent_folder_uri;
CamelFolder *sent_folder = NULL;
char *default_outbox_folder_uri;
CamelFolder *outbox_folder = NULL;
char *evolution_dir;

EvolutionShellClient *global_shell_client = NULL;

RuleContext *search_context = NULL;

static MailAsyncEvent *async_event = NULL;

static GHashTable *storages_hash;
static EvolutionShellComponent *shell_component;

enum {
    ACCEPTED_DND_TYPE_MESSAGE_RFC822,
    ACCEPTED_DND_TYPE_X_EVOLUTION_MESSAGE,
    ACCEPTED_DND_TYPE_TEXT_URI_LIST,
};

static char *accepted_dnd_types[] = {
    "message/rfc822",
    "x-evolution-message",    /* ...from an evolution message list... */
    "text/uri-list",          /* ...from nautilus... */
    NULL
};

enum {
    EXPORTED_DND_TYPE_TEXT_URI_LIST,
};

static char *exported_dnd_types[] = {
    "text/uri-list",          /* we have to export to nautilus as text/uri-list */
    NULL
};

static const EvolutionShellComponentFolderType folder_types[] = {
    { "mail", "evolution-inbox.png", N_("Mail"), N_("Folder containing mail"), TRUE, accepted_dnd_types, exported_dnd_types },
    { "mail/public", "evolution-inbox.png", N_("Public Mail"), N_("Public folder containing mail"), FALSE, accepted_dnd_types, exported_dnd_types },
    { "vtrash", "evolution-trash.png", N_("Virtual Trash"), N_("Virtual Trash folder"), FALSE, accepted_dnd_types, exported_dnd_types },
    { NULL, NULL, NULL, NULL, FALSE, NULL, NULL }
};

static const char *schema_types[] = {
    "mailto",
    NULL
};

static inline gboolean
type_is_mail (const char *type)
{
    return !strcmp (type, "mail") || !strcmp (type, "mail/public");
}

static inline gboolean
type_is_vtrash (const char *type)
{
    return !strcmp (type, "vtrash");
}

/* EvolutionShellComponent methods and signals.  */

static BonoboControl *
create_noselect_control (void)
{
    GtkWidget *label;

    label = gtk_label_new (_("This folder cannot contain messages."));
    gtk_widget_show (label);
    return bonobo_control_new (label);
}

static EvolutionShellComponentResult
create_view (EvolutionShellComponent *shell_component,
         const char *physical_uri,
         const char *folder_type,
         const char *view_info,
         BonoboControl **control_return,
         void *closure)
{
    EvolutionShellClient *shell_client;
    GNOME_Evolution_Shell corba_shell;
    BonoboControl *control;
    
    shell_client = evolution_shell_component_get_owner (shell_component);
    corba_shell = evolution_shell_client_corba_objref(shell_client);
    
    if (type_is_mail (folder_type)) {
        const char *noselect;
        CamelURL *url;
        
        url = camel_url_new (physical_uri, NULL);
        noselect = url ? camel_url_get_param (url, "noselect") : NULL;
        if (noselect && !strcasecmp (noselect, "yes"))
            control = create_noselect_control ();
        else
            control = folder_browser_factory_new_control (physical_uri,
                                      corba_shell);
        camel_url_free (url);
    } else if (type_is_vtrash (folder_type)) {
        if (!strncasecmp (physical_uri, "file:", 5))
            control = folder_browser_factory_new_control ("vtrash:file:/", corba_shell);
        else
            control = folder_browser_factory_new_control (physical_uri, corba_shell);
    } else
        return EVOLUTION_SHELL_COMPONENT_UNSUPPORTEDTYPE;
    
    if (!control)
        return EVOLUTION_SHELL_COMPONENT_NOTFOUND;
    
    *control_return = control;
    return EVOLUTION_SHELL_COMPONENT_OK;
}

static void
create_folder_done (char *uri, CamelFolder *folder, void *data)
{
    GNOME_Evolution_ShellComponentListener listener = data;
    GNOME_Evolution_ShellComponentListener_Result result;
    CORBA_Environment ev;

    if (folder) {
        result = GNOME_Evolution_ShellComponentListener_OK;
    } else {
        result = GNOME_Evolution_ShellComponentListener_INVALID_URI;
    }

    CORBA_exception_init (&ev);
    GNOME_Evolution_ShellComponentListener_notifyResult (listener, result, &ev);
    CORBA_Object_release (listener, &ev);
    CORBA_exception_free (&ev);
}

static void
create_folder (EvolutionShellComponent *shell_component,
           const char *physical_uri,
           const char *type,
           const GNOME_Evolution_ShellComponentListener listener,
           void *closure)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);
    
    if (type_is_mail (type)) {
        mail_get_folder (physical_uri, CAMEL_STORE_FOLDER_CREATE, create_folder_done,
                 CORBA_Object_duplicate (listener, &ev), mail_thread_new);
    } else {
        GNOME_Evolution_ShellComponentListener_notifyResult (
            listener, GNOME_Evolution_ShellComponentListener_UNSUPPORTED_TYPE, &ev);
    }

    CORBA_exception_free (&ev);
}

static void
remove_folder_done (char *uri, gboolean removed, void *data)
{
    GNOME_Evolution_ShellComponentListener listener = data;
    GNOME_Evolution_ShellComponentListener_Result result;
    CORBA_Environment ev;
    
    if (removed)
        result = GNOME_Evolution_ShellComponentListener_OK;
    else
        result = GNOME_Evolution_ShellComponentListener_INVALID_URI;
    
    CORBA_exception_init (&ev);
    GNOME_Evolution_ShellComponentListener_notifyResult (listener, result, &ev);
    CORBA_Object_release (listener, &ev);
    CORBA_exception_free (&ev);
}

static void
remove_folder (EvolutionShellComponent *shell_component,
           const char *physical_uri,
           const char *type,
           const GNOME_Evolution_ShellComponentListener listener,
           void *closure)
{
    CORBA_Environment ev;
    
    CORBA_exception_init (&ev);
    
    if (!type_is_mail (type)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_UNSUPPORTED_TYPE, &ev);
        CORBA_exception_free (&ev);
        return;
    }
    
    mail_remove_folder (physical_uri, remove_folder_done, CORBA_Object_duplicate (listener, &ev));
    CORBA_exception_free (&ev);
}

typedef struct _xfer_folder_data {
    GNOME_Evolution_ShellComponentListener listener;
    gboolean remove_source;
    char *source_uri;
} xfer_folder_data;

static void
xfer_folder_done (gboolean ok, void *data)
{
    xfer_folder_data *xfd = (xfer_folder_data *)data;
    GNOME_Evolution_ShellComponentListener listener = xfd->listener;
    GNOME_Evolution_ShellComponentListener_Result result;
    CORBA_Environment ev;

    if (xfd->remove_source && ok) {
        mail_remove_folder (xfd->source_uri, remove_folder_done, xfd->listener);
    } else {
        if (ok)
            result = GNOME_Evolution_ShellComponentListener_OK;
        else
            result = GNOME_Evolution_ShellComponentListener_INVALID_URI;
    
        CORBA_exception_init (&ev);
        GNOME_Evolution_ShellComponentListener_notifyResult (listener, result, &ev);
        CORBA_Object_release (listener, &ev);
        CORBA_exception_free (&ev);
    }

    g_free (xfd->source_uri);
    g_free (xfd);
}

static void
xfer_folder (EvolutionShellComponent *shell_component,
         const char *source_physical_uri,
         const char *destination_physical_uri,
         const char *type,
         gboolean remove_source,
         const GNOME_Evolution_ShellComponentListener listener,
         void *closure)
{
    CORBA_Environment ev;
    CamelFolder *source;
    CamelException ex;
    GPtrArray *uids;
    CamelURL *src, *dst;

    d(printf("Renaming folder '%s' to dest '%s' type '%s'\n", source_physical_uri, destination_physical_uri, type));

    CORBA_exception_init (&ev);

    if (!type_is_mail (type)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_UNSUPPORTED_TYPE, &ev);
        return;
    }

    src = camel_url_new(source_physical_uri, NULL);
    if (src == NULL) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener, GNOME_Evolution_ShellComponentListener_INVALID_URI, &ev);
        return;
    }

    dst = camel_url_new(destination_physical_uri, NULL);
    if (dst == NULL) {
        camel_url_free(src);
        GNOME_Evolution_ShellComponentListener_notifyResult (listener, GNOME_Evolution_ShellComponentListener_INVALID_URI, &ev);
        return;
    }

    if (camel_url_get_param(dst, "noselect") != NULL) {
        camel_url_free(src);
        camel_url_free(dst);
        GNOME_Evolution_ShellComponentListener_notifyResult (listener, 
                                     GNOME_Evolution_ShellComponentListener_UNSUPPORTED_OPERATION, &ev);
        return;
    }
    
    camel_exception_init (&ex);

    /* If we are really doing a rename, implement it as a rename */
    if (remove && strcmp(src->protocol, dst->protocol) == 0) {
        char *sname, *dname;
        CamelStore *store;
        
        if (src->fragment)
            sname = src->fragment;
        else {
            if (src->path && *src->path)
                sname = src->path+1;
            else
                sname = "";
        }
        
        if (dst->fragment)
            dname = dst->fragment;
        else {
            if (dst->path && *dst->path)
                dname = dst->path+1;
            else
                dname = "";
        }
        
        store = camel_session_get_store(session, source_physical_uri, &ex);
        if (store != NULL)
            camel_store_rename_folder(store, sname, dname, &ex);
        
        if (camel_exception_is_set(&ex))
            GNOME_Evolution_ShellComponentListener_notifyResult (listener, GNOME_Evolution_ShellComponentListener_INVALID_URI, &ev);
        else {
            /* Since the shell doesn't play nice with local folders, we have to do this manually */
            mail_vfolder_rename_uri(store, source_physical_uri, destination_physical_uri);
            mail_filter_rename_uri(store, source_physical_uri, destination_physical_uri);
            GNOME_Evolution_ShellComponentListener_notifyResult (listener, GNOME_Evolution_ShellComponentListener_OK, &ev);
        }
        camel_object_unref((CamelObject *)store);
    } else {
        source = mail_tool_uri_to_folder (source_physical_uri, 0, &ex);
        
        if (source) {
            xfer_folder_data *xfd;
            
            xfd = g_new0 (xfer_folder_data, 1);
            xfd->remove_source = remove_source;
            xfd->source_uri = g_strdup (source_physical_uri);
            xfd->listener = CORBA_Object_duplicate (listener, &ev);
            
            uids = camel_folder_get_uids (source);
            mail_transfer_messages (source, uids, remove_source, destination_physical_uri, CAMEL_STORE_FOLDER_CREATE, xfer_folder_done, xfd);
            camel_object_unref (CAMEL_OBJECT (source));
        } else
            GNOME_Evolution_ShellComponentListener_notifyResult (listener, GNOME_Evolution_ShellComponentListener_INVALID_URI, &ev);
    }
    
    CORBA_exception_free (&ev);
    camel_exception_clear (&ex);
    
    camel_url_free(src);
    camel_url_free(dst);
}

static void
configure_folder_popup(BonoboUIComponent *component, void *user_data, const char *cname)
{
    char *uri = user_data;
    
    if (strncmp(uri, "vfolder:", 8) == 0)
        vfolder_edit_rule(uri);
    else {
        FolderBrowser *fb = folder_browser_factory_get_browser(uri);
        
        if (fb)
            configure_folder(component, fb, cname);
        else
            mail_local_reconfigure_folder(uri, NULL, NULL);
    }
}

static void
populate_folder_context_menu (EvolutionShellComponent *shell_component,
                  BonoboUIComponent *uic,
                  const char *physical_uri,
                  const char *type,
                  void *closure)
{
#ifdef TRANSLATORS_ONLY
    static char popup_xml_i18n[] = {N_("Properties..."), N_("Change this folder's properties")};
#endif
    static char popup_xml[] =
        "<menuitem name=\"ChangeFolderPropertiesPopUp\" verb=\"ChangeFolderPropertiesPopUp\""
        "          _label=\"Properties...\" _tip=\"Change this folder's properties\"/>";

    if (!type_is_mail (type))
        return;
    
    /* FIXME: handle other types */
    
    /* the unmatched test is a bit of a hack but it works */
    if ((strncmp(physical_uri, "vfolder:", 8) == 0
         && strstr(physical_uri, "#" CAMEL_UNMATCHED_NAME) == NULL)
        || strncmp(physical_uri, "file:", 5) == 0) {
        bonobo_ui_component_add_verb_full(uic, "ChangeFolderPropertiesPopUp",
                          g_cclosure_new(G_CALLBACK(configure_folder_popup),
                                 g_strdup(physical_uri), (GClosureNotify)g_free));
        bonobo_ui_component_set_translate (uic, EVOLUTION_SHELL_COMPONENT_POPUP_PLACEHOLDER,  popup_xml, NULL);
    }
}

static void
unpopulate_folder_context_menu (EvolutionShellComponent *shell_component,
                BonoboUIComponent *uic,
                const char *physical_uri,
                const char *type,
                void *closure)
{
    if (!type_is_mail (type))
        return;
    
    /* FIXME: handle other types */
    
    /* the unmatched test is a bit of a hack but it works */
    if ((strncmp(physical_uri, "vfolder:", 8) == 0
         && strstr(physical_uri, "#" CAMEL_UNMATCHED_NAME) == NULL)
        || strncmp(physical_uri, "file:", 5) == 0) {
        bonobo_ui_component_rm (uic, EVOLUTION_SHELL_COMPONENT_POPUP_PLACEHOLDER "/ChangeFolderPropertiesPopUp", NULL);
    }
}

static char *
get_dnd_selection (EvolutionShellComponent *shell_component,
           const char *physical_uri,
           int type,
           int *format_return,
           const char **selection_return,
           int *selection_length_return,
           void *closure)
{
    g_print ("should get dnd selection for %s\n", physical_uri);
    
    return NULL;
}

/* Destination side DnD */
static CORBA_boolean
destination_folder_handle_motion (EvolutionShellComponentDndDestinationFolder *folder,
                  const char *physical_uri,
                  const char *folder_type,
                  const GNOME_Evolution_ShellComponentDnd_DestinationFolder_Context *destination_context,
                  GNOME_Evolution_ShellComponentDnd_Action *suggested_action_return,
                  gpointer user_data)
{
    const char *noselect;
    CamelURL *url;
    
    url = camel_url_new (physical_uri, NULL);
    noselect = url ? camel_url_get_param (url, "noselect") : NULL;
    
    if (noselect && !strcasecmp (noselect, "yes"))
        /* uh, no way to say "illegal" */
        *suggested_action_return = GNOME_Evolution_ShellComponentDnd_ACTION_DEFAULT;
    else
        *suggested_action_return = GNOME_Evolution_ShellComponentDnd_ACTION_MOVE;
    
    if (url)
        camel_url_free (url);
    
    return TRUE;
}

static gboolean
message_rfc822_dnd (CamelFolder *dest, CamelStream *stream, CamelException *ex)
{
    CamelMimeParser *mp;
    gboolean handled = FALSE;
    
    mp = camel_mime_parser_new ();
    camel_mime_parser_scan_from (mp, TRUE);
    camel_mime_parser_init_with_stream (mp, stream);
    
    while (camel_mime_parser_step (mp, 0, 0) == HSCAN_FROM) {
        CamelMessageInfo *info;
        CamelMimeMessage *msg;
        
        handled = TRUE;
        
        msg = camel_mime_message_new ();
        if (camel_mime_part_construct_from_parser (CAMEL_MIME_PART (msg), mp) == -1) {
            camel_object_unref (msg);
            handled = FALSE;
            break;
        }
        
        /* append the message to the folder... */
        info = g_new0 (CamelMessageInfo, 1);
        camel_folder_append_message (dest, msg, info, NULL, ex);
        camel_object_unref (msg);
        
        if (camel_exception_is_set (ex)) {
            handled = FALSE;
            break;
        }
        
        /* skip over the FROM_END state */
        camel_mime_parser_step (mp, 0, 0);
    }
    
    camel_object_unref (mp);
    
    return handled;
}

static CORBA_boolean
destination_folder_handle_drop (EvolutionShellComponentDndDestinationFolder *dest_folder,
                const char *physical_uri,
                const char *folder_type,
                const GNOME_Evolution_ShellComponentDnd_DestinationFolder_Context *destination_context,
                const GNOME_Evolution_ShellComponentDnd_Action action,
                const GNOME_Evolution_ShellComponentDnd_Data *data,
                gpointer user_data)
{
    char *tmp, *url, **urls;
    gboolean retval = FALSE;
    const char *noselect;
    CamelFolder *folder;
    CamelStream *stream;
    CamelException ex;
    GPtrArray *uids;
    CamelURL *uri;
    int i, type, fd;
    
    if (action == GNOME_Evolution_ShellComponentDnd_ACTION_LINK)
        return FALSE; /* we can't create links */
    
    /* this means the drag was cancelled */
    if (!data->bytes._buffer || data->bytes._length == -1)
        return FALSE;
    
    uri = camel_url_new (physical_uri, NULL);
    noselect = uri ? camel_url_get_param (uri, "noselect") : NULL;
    if (noselect && !strcasecmp (noselect, "yes")) {
        camel_url_free (uri);
        return FALSE;
    }
    
    if (uri)
        camel_url_free (uri);
    
    g_print ("in destination_folder_handle_drop (%s)\n", physical_uri);
    
    for (type = 0; accepted_dnd_types[type]; type++)
        if (!strcmp (destination_context->dndType, accepted_dnd_types[type]))
            break;
    
    camel_exception_init (&ex);
    
    /* if this is a local vtrash folder, then it's uri is vtrash:file:/ */
    if (type_is_vtrash (folder_type) && !strncmp (physical_uri, "file:", 5))
        physical_uri = "vtrash:file:/";
    
    switch (type) {
    case ACCEPTED_DND_TYPE_TEXT_URI_LIST:
        folder = mail_tool_uri_to_folder (physical_uri, 0, &ex);
        if (!folder) {
            camel_exception_clear (&ex);
            return FALSE;
        }
        
        tmp = g_strndup (data->bytes._buffer, data->bytes._length);
        urls = g_strsplit (tmp, "\n", 0);
        g_free (tmp);
        
        retval = TRUE;
        for (i = 0; urls[i] != NULL && retval; i++) {
            /* get the path component */
            url = g_strstrip (urls[i]);
            
            uri = camel_url_new (url, NULL);
            g_free (url);
            url = uri->path;
            uri->path = NULL;
            camel_url_free (uri);
            
            fd = open (url, O_RDONLY);
            if (fd == -1) {
                g_free (url);
                /* FIXME: okay, so what do we do in this case? */
                continue;
            }
            
            stream = camel_stream_fs_new_with_fd (fd);
            retval = message_rfc822_dnd (folder, stream, &ex);
            camel_object_unref (stream);
            camel_object_unref (folder);
            
            if (action == GNOME_Evolution_ShellComponentDnd_ACTION_MOVE && retval)
                unlink (url);
            
            g_free (url);
        }
        
        g_free (urls);
        break;
    case ACCEPTED_DND_TYPE_MESSAGE_RFC822:
        folder = mail_tool_uri_to_folder (physical_uri, 0, &ex);
        if (!folder) {
            camel_exception_clear (&ex);
            return FALSE;
        }
        
        /* write the message(s) out to a CamelStream so we can use it */
        stream = camel_stream_mem_new ();
        camel_stream_write (stream, data->bytes._buffer, data->bytes._length);
        camel_stream_reset (stream);
        
        retval = message_rfc822_dnd (folder, stream, &ex);
        camel_object_unref (stream);
        camel_object_unref (folder);
        break;
    case ACCEPTED_DND_TYPE_X_EVOLUTION_MESSAGE:
        folder = mail_tools_x_evolution_message_parse (data->bytes._buffer,
                                   data->bytes._length,
                                   &uids);
        
        if (!folder)
            return FALSE;
        
        mail_transfer_messages (folder, uids,
                    action == GNOME_Evolution_ShellComponentDnd_ACTION_MOVE,
                    physical_uri, 0, NULL, NULL);
        
        camel_object_unref (folder);
        break;
    default:
        break;
    }
    
    camel_exception_clear (&ex);
    
    return retval;
}


static struct {
    char *name, **uri;
    CamelFolder **folder;
} standard_folders[] = {
    { "Drafts", &default_drafts_folder_uri, &drafts_folder },
    { "Outbox", &default_outbox_folder_uri, &outbox_folder },
    { "Sent", &default_sent_folder_uri, &sent_folder },
};

static void
unref_standard_folders (void)
{
    int i;
    
    for (i = 0; i < sizeof (standard_folders) / sizeof (standard_folders[0]); i++) {
        if (standard_folders[i].folder) {
            CamelFolder *folder = *standard_folders[i].folder;
            
            *standard_folders[i].folder = NULL;
            
            if (CAMEL_OBJECT (folder)->ref_count == 1)
                d(printf ("About to finalise folder %s\n", folder->full_name));
            else
                d(printf ("Folder %s still has %d extra ref%s on it\n", folder->full_name,
                      CAMEL_OBJECT (folder)->ref_count - 1,
                      CAMEL_OBJECT (folder)->ref_count - 1 == 1 ? "" : "s"));
            
            camel_object_unref (CAMEL_OBJECT (folder));
        }
    }
}

static void
got_folder (char *uri, CamelFolder *folder, void *data)
{
    CamelFolder **fp = data;
    
    *fp = folder;
    
    if (folder) {
        camel_object_ref (CAMEL_OBJECT (folder));
        
        /* emit a changed event, this is a little hack so that the folderinfo cache
           will update knowing whether this is the outbox_folder or not, etc */
        if (folder == outbox_folder) {
            CamelFolderChangeInfo *changes = camel_folder_change_info_new();
            
            camel_object_trigger_event((CamelObject *)folder, "folder_changed", changes);
            camel_folder_change_info_free(changes);
        }
    }
}

static void
shell_client_destroy (GtkObject *object)
{
    global_shell_client = NULL;
}

static void
warning_response (GtkWidget *dialog, int button, gpointer user_data)
{
    gtk_widget_destroy (dialog);
}

static void
owner_set_cb (EvolutionShellComponent *shell_component,
          EvolutionShellClient *shell_client,
          const char *evolution_homedir,
          gpointer user_data)
{
    GNOME_Evolution_Shell corba_shell;
    EAccountList *accounts;
    int i;
    
    /* FIXME: should we ref this? */
    global_shell_client = shell_client;
    g_object_weak_ref ((GObject *) shell_client, (GWeakNotify) shell_client_destroy, NULL);
    
    evolution_dir = g_strdup (evolution_homedir);
    mail_session_init ();
    
    async_event = mail_async_event_new();
    
    storages_hash = g_hash_table_new (NULL, NULL);
    
    corba_shell = evolution_shell_client_corba_objref (shell_client);
    
    for (i = 0; i < sizeof (standard_folders) / sizeof (standard_folders[0]); i++)
        *standard_folders[i].uri = g_strdup_printf ("file://%s/local/%s", evolution_dir, standard_folders[i].name);
    
    vfolder_load_storage(corba_shell);
    
    accounts = mail_config_get_accounts ();
    mail_load_storages (corba_shell, accounts);
    
    mail_local_storage_startup (shell_client, evolution_dir);
    mail_importer_init (shell_client);
    
    for (i = 0; i < sizeof (standard_folders) / sizeof (standard_folders[0]); i++) {
        mail_msg_wait (mail_get_folder (*standard_folders[i].uri, CAMEL_STORE_FOLDER_CREATE,
                        got_folder, standard_folders[i].folder, mail_thread_new));
    }
    
    mail_autoreceive_setup ();
    
    {
        /* setup the global quick-search context */
        char *user = g_strdup_printf ("%s/searches.xml", evolution_dir);
        char *system = g_strdup (EVOLUTION_PRIVDATADIR "/vfoldertypes.xml");
        
        search_context = rule_context_new ();
        g_object_set_data_full(G_OBJECT(search_context), "user", user, g_free);
        g_object_set_data_full(G_OBJECT(search_context), "system", system, g_free);
        
        rule_context_add_part_set (search_context, "partset", filter_part_get_type (),
                       rule_context_add_part, rule_context_next_part);
        
        rule_context_add_rule_set (search_context, "ruleset", filter_rule_get_type (),
                       rule_context_add_rule, rule_context_next_rule);
        
        rule_context_load (search_context, system, user);
    }
    
    if (mail_config_is_corrupt ()) {
        GtkWidget *dialog;
        
        dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_CLOSE,
                         _("Some of your mail settings seem corrupt, "
                           "please check that everything is in order."));
        g_signal_connect (dialog, "response", G_CALLBACK (warning_response), NULL);
        gtk_widget_show (dialog);
    }
    
    /* Everything should be ready now */
    evolution_folder_info_notify_ready ();
}

static void
free_storage (gpointer service, gpointer storage, gpointer data)
{
    if (service) {
        mail_note_store_remove((CamelStore *)service);
        camel_service_disconnect (CAMEL_SERVICE (service), TRUE, NULL);
        camel_object_unref (CAMEL_OBJECT (service));
    }
    
    if (storage)
        bonobo_object_unref (BONOBO_OBJECT (storage));
}

static void
debug_cb (EvolutionShellComponent *shell_component, gpointer user_data)
{
    extern gboolean camel_verbose_debug;
    
    camel_verbose_debug = 1;
}

static void
interactive_cb (EvolutionShellComponent *shell_component, gboolean on, gpointer user_data)
{
    mail_session_set_interactive (on);
}

static void
handle_external_uri_cb (EvolutionShellComponent *shell_component,
            const char *uri,
            void *data)
{
    if (strncmp (uri, "mailto:", 7) != 0) {
        /* FIXME: Exception?  The EvolutionShellComponent object should
           give me a chance to do so, but currently it doesn't.  */
        g_warning ("Invalid URI requested to mail component -- %s", uri);
        return;
    }
    
    /* FIXME: Sigh.  This shouldn't be here.  But the code is messy, so
       I'll just put it here anyway.  */
    send_to_url (uri, NULL);
}

static void
user_create_new_item_cb (EvolutionShellComponent *shell_component,
             const char *id,
             const char *parent_folder_physical_uri,
             const char *parent_folder_type,
             gpointer data)
{
    if (!strcmp (id, "message")) {
        send_to_url (NULL, parent_folder_physical_uri);
        return;
    } else if (!strcmp (id, "post")) {
        post_to_url (parent_folder_physical_uri);
        return;
    }
    
    g_warning ("Don't know how to create item of type \"%s\"", id);
}

static gboolean
idle_quit (gpointer user_data)
{
    static int shutdown_vfolder = FALSE;
    static int shutdown_shutdown = FALSE;

    if (!shutdown_shutdown) {
        if (e_thread_busy(NULL) || mail_msg_active(-1)) {
            usleep(10000);
            return TRUE;
        }

        if (!shutdown_vfolder) {
            shutdown_vfolder = TRUE;
            mail_vfolder_shutdown();
            return TRUE;
        }

        if (mail_async_event_destroy(async_event) == -1)
            return TRUE;

        shutdown_shutdown = TRUE;
        g_hash_table_foreach (storages_hash, free_storage, NULL);
        g_hash_table_destroy (storages_hash);
        storages_hash = NULL;
    }
    
    if (e_list_length (folder_browser_factory_get_control_list ()))
        return TRUE;

    bonobo_main_quit ();

    return FALSE;
}   

static void owner_unset_cb (EvolutionShellComponent *shell_component, gpointer user_data);

/* Table for signal handler setup/cleanup */
static struct {
    char *sig;
    GCallback func;
    int hand;
} shell_component_handlers[] = {
    { "owner_set", G_CALLBACK(owner_set_cb), },
    { "owner_unset", G_CALLBACK(owner_unset_cb), },
    { "debug", G_CALLBACK(debug_cb), },
    { "interactive", G_CALLBACK(interactive_cb) },
    { "destroy", G_CALLBACK(owner_unset_cb), },
    { "handle_external_uri", G_CALLBACK(handle_external_uri_cb), },
    { "user_create_new_item", G_CALLBACK(user_create_new_item_cb) }
};

static void
owner_unset_cb (EvolutionShellComponent *shell_component, gpointer user_data)
{
    GConfClient *gconf;
    int i;

    gconf = gconf_client_get_default ();
    for (i=0;i<sizeof(shell_component_handlers)/sizeof(shell_component_handlers[0]);i++)
        g_signal_handler_disconnect((GtkObject *)shell_component, shell_component_handlers[i].hand);
    
    if (gconf_client_get_bool (gconf, "/apps/evolution/mail/trash/empty_on_exit", NULL))
        empty_trash (NULL, NULL, NULL);
    
    unref_standard_folders ();
    mail_importer_uninit ();
    
    global_shell_client = NULL;
    mail_session_set_interactive (FALSE);
    
    g_object_unref (search_context);
    search_context = NULL;
    
    g_timeout_add(100, idle_quit, NULL);
}

static void
send_receive_cb (EvolutionShellComponent *shell_component,
         gboolean show_dialog,
         void *data)
{
    EAccount *account;
    
    /* FIXME: configure_mail() should be changed to work without a
       FolderBrowser, and then we will be able to call configure_mail from
       here properly.  */
    if (!mail_config_is_configured () /* && !configure_mail (fb) */)
        return;
    
    account = mail_config_get_default_account ();
    if (!account || !account->transport->url) {
        GtkWidget *dialog;
        
        dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
                         _("You have not set a mail transport method"));
        gtk_dialog_run ((GtkDialog *) dialog);
        gtk_widget_destroy (dialog);
        
        return;
    }
    
    mail_send_receive ();
}

static gboolean
request_quit (EvolutionShellComponent *shell_component,
          void *closure)
{
    GtkWidget *dialog;
    int resp;

    if (!e_msg_composer_request_close_all ())
        return FALSE;
    
    if (!outbox_folder || !camel_folder_get_message_count (outbox_folder))
        return TRUE;

    dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_INFO, GTK_BUTTONS_YES_NO,
                    _("You have unsent messages, do you wish to quit anyway?"));
    gtk_dialog_set_default_response((GtkDialog *)dialog, GTK_RESPONSE_NO);
    resp = gtk_dialog_run((GtkDialog *)dialog);
    gtk_widget_destroy(dialog);

    return resp == GTK_RESPONSE_YES;
}

static BonoboObject *
create_component (void)
{
    EvolutionShellComponentDndDestinationFolder *destination_interface;
    MailOfflineHandler *offline_handler;
    GdkPixbuf *icon;
    int i;
    
    shell_component = evolution_shell_component_new (folder_types,
                             schema_types,
                             create_view,
                             create_folder,
                             remove_folder,
                             xfer_folder,
                             populate_folder_context_menu,
                             unpopulate_folder_context_menu,
                             get_dnd_selection,
                             request_quit,
                             NULL);

    g_signal_connect((shell_component), "send_receive",
                G_CALLBACK (send_receive_cb), NULL);
    
    destination_interface = evolution_shell_component_dnd_destination_folder_new (destination_folder_handle_motion,
                                              destination_folder_handle_drop,
                                              shell_component);
    
    bonobo_object_add_interface (BONOBO_OBJECT (shell_component),
                     BONOBO_OBJECT (destination_interface));
    
    icon = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/new-message.xpm", NULL);
    evolution_shell_component_add_user_creatable_item (shell_component, "message",
                               _("New Mail Message"), _("_Mail Message"),
                               _("Compose a new mail message"),
                               "mail", 'm',
                               icon);
    if (icon != NULL)
        g_object_unref (icon);

    icon = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/post-message-16.png", NULL);
    evolution_shell_component_add_user_creatable_item (shell_component, "post",
                               _("New Message Post"), _("_Post Message"),
                               _("Post a new mail message"),
                               "mail/public", 'p',
                               icon);
    if (icon != NULL)
        g_object_unref (icon);

    for (i=0;i<sizeof(shell_component_handlers)/sizeof(shell_component_handlers[0]);i++) {
        shell_component_handlers[i].hand = g_signal_connect((shell_component),
                                      shell_component_handlers[i].sig,
                                      shell_component_handlers[i].func, NULL);
    }
    
    offline_handler = mail_offline_handler_new ();
    bonobo_object_add_interface (BONOBO_OBJECT (shell_component), BONOBO_OBJECT (offline_handler));
    
    return BONOBO_OBJECT (shell_component);
}

void
component_factory_init (void)
{
    BonoboObject *shell_component;
    int result;

    shell_component = create_component ();
    result = bonobo_activation_active_server_register (COMPONENT_ID, bonobo_object_corba_objref (shell_component));
    if (result == Bonobo_ACTIVATION_REG_ERROR) {
        e_notice (NULL, GTK_MESSAGE_ERROR,
              _("Cannot initialize the Evolution mail component."));
        exit (1);
    } else if (result == Bonobo_ACTIVATION_REG_ALREADY_ACTIVE) {
        g_warning ("evolution-mail is already running");
        exit (1);
    }

    if (evolution_mail_config_factory_init () == FALSE) {
        e_notice (NULL, GTK_MESSAGE_ERROR,
              _("Cannot initialize Evolution's mail config component."));
        exit (1);
    }

    if (evolution_folder_info_factory_init () == FALSE) {
        e_notice (NULL, GTK_MESSAGE_ERROR,
              _("Cannot initialize Evolution's folder info component."));
        exit (1);
    }
}

static void
notify_listener (const Bonobo_Listener listener, 
         GNOME_Evolution_Storage_Result corba_result)
{
    CORBA_any any;
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    any._type = TC_GNOME_Evolution_Storage_Result;
    any._value = &corba_result;

    Bonobo_Listener_event (listener, "result", &any, &ev);

    CORBA_exception_free (&ev);
}

static void
notify_listener_exception(const Bonobo_Listener listener, CamelException *ex)
{
    GNOME_Evolution_Storage_Result result;
    
    switch(camel_exception_get_id(ex)) {
    case CAMEL_EXCEPTION_SERVICE_UNAVAILABLE:
        result = GNOME_Evolution_Storage_NOT_ONLINE;
        break;
    case CAMEL_EXCEPTION_NONE:
        result = GNOME_Evolution_Storage_OK;
        break;
    case CAMEL_EXCEPTION_FOLDER_INVALID_PATH:
    case CAMEL_EXCEPTION_SERVICE_URL_INVALID:
        result = GNOME_Evolution_Storage_INVALID_URI;
        break;
    default:
        result = GNOME_Evolution_Storage_GENERIC_ERROR;
        break;
    }

    notify_listener(listener, result);
}

static void
storage_create_folder (EvolutionStorage *storage,
               const Bonobo_Listener listener,
               const char *path,
               const char *type,
               const char *description,
               const char *parent_physical_uri,
               gpointer user_data)
{
    CamelStore *store = user_data;
    CamelFolderInfo *root, *fi;
    char *name;
    CamelURL *url;
    CamelException ex;
    
    /* We could just use 'path' always here? */
    
    if (!type_is_mail (type)) {
        notify_listener (listener, GNOME_Evolution_Storage_UNSUPPORTED_TYPE);
        return;
    }
    
    name = strrchr (path, '/');
    if (!name) {
        notify_listener (listener, GNOME_Evolution_Storage_INVALID_URI);
        return;
    }
    name++;
    
    camel_exception_init (&ex);
    if (*parent_physical_uri) {
        url = camel_url_new (parent_physical_uri, NULL);
        if (!url) {
            notify_listener (listener, GNOME_Evolution_Storage_INVALID_URI);
            return;
        }
        
        root = camel_store_create_folder (store, url->fragment?url->fragment:url->path + 1, name, &ex);
        camel_url_free (url);
    } else
        root = camel_store_create_folder (store, NULL, name, &ex);
    
    if (camel_exception_is_set (&ex)) {
        notify_listener_exception(listener, &ex);
        camel_exception_clear (&ex);
        return;
    }
    
    if (camel_store_supports_subscriptions (store)) {
        for (fi = root; fi; fi = fi->child)
            camel_store_subscribe_folder (store, fi->full_name, NULL);
    }
    
    camel_store_free_folder_info (store, root);
    
    notify_listener (listener, GNOME_Evolution_Storage_OK);
}

static void
storage_remove_folder_recursive (EvolutionStorage *storage, CamelStore *store, CamelFolderInfo *root, CamelException *ex)
{
    CamelFolderInfo *fi;
    
    /* delete all children */
    fi = root->child;
    while (fi && !camel_exception_is_set (ex)) {
        storage_remove_folder_recursive (storage, store, fi, ex);
        fi = fi->sibling;
    }
    
    if (!camel_exception_is_set (ex)) {
        if (camel_store_supports_subscriptions (store))
            camel_store_unsubscribe_folder (store, root->full_name, NULL);
        
        camel_store_delete_folder (store, root->full_name, ex);
        
        if (!camel_exception_is_set (ex))
            evolution_storage_removed_folder (storage, root->path);
    }
}

static void
storage_remove_folder (EvolutionStorage *storage,
               const Bonobo_Listener listener,
               const char *path,
               const char *physical_uri,
               gpointer user_data)
{
    CamelStore *store = user_data;
    CamelFolderInfo *root, *fi;
    CamelURL *url = NULL;
    CamelException ex;
    char *name;
    
    g_warning ("storage_remove_folder: path=\"%s\"; uri=\"%s\"", path, physical_uri);
    
    if (!path || !*path || !physical_uri || !strncmp (physical_uri, "vtrash:", 7)) {
        notify_listener (listener, GNOME_Evolution_Storage_INVALID_URI);
        return;
    }
    
    url = camel_url_new (physical_uri, NULL);
    if (!url) {
        notify_listener (listener, GNOME_Evolution_Storage_INVALID_URI);
        return;
    }
    
    if (url->fragment)
        name = url->fragment;
    else if (url->path && url->path[0])
        name = url->path+1;
    else
        name = "";
    
    camel_exception_init (&ex);
    
    root = camel_store_get_folder_info (store, name, CAMEL_STORE_FOLDER_INFO_FAST |
                        CAMEL_STORE_FOLDER_INFO_RECURSIVE, &ex);
    
    if (!root || camel_exception_is_set (&ex)) {
        notify_listener_exception (listener, &ex);
        camel_exception_clear (&ex);
        camel_url_free (url);
        return;
    }
    
    /* walk the tree until we find the particular child folder we want to delete */
    fi = root;
    while (fi) {
        if (!strcmp (fi->full_name, name))
            break;
        fi = fi->child;
    }
    
    camel_url_free (url);
    
    if (!fi) {
        notify_listener (listener, GNOME_Evolution_Storage_INVALID_URI);
        camel_store_free_folder_info (store, root);
        return;
    }
    
    storage_remove_folder_recursive (storage, store, fi, &ex);
    camel_store_free_folder_info (store, root);
    if (camel_exception_is_set (&ex)) {
        notify_listener_exception (listener, &ex);
        camel_exception_clear (&ex);
    } else {
        notify_listener (listener, GNOME_Evolution_Storage_OK);
    }
}

static void
storage_xfer_folder (EvolutionStorage *storage,
             const Bonobo_Listener listener,
             const char *source_path,
             const char *destination_path,
             gboolean remove_source,
             CamelStore *store)
{
    CamelException ex;
    char *src, *dst;
    char sep;

    d(printf("Transfer folder on store source = '%s' dest = '%s'\n", source_path, destination_path));

    /* FIXME: this is totally not gonna work once we have namespaces */
    
    /* Remap the 'path' to the camel friendly name based on the store dir separator */
    sep = store->dir_sep;
    src = g_strdup(source_path[0]=='/'?source_path+1:source_path);
    dst = g_strdup(destination_path[0]=='/'?destination_path+1:destination_path);
    camel_exception_init (&ex);
    if (remove_source) {
        d(printf("trying to rename\n"));
        camel_store_rename_folder(store, src, dst, &ex);
        notify_listener_exception(listener, &ex);
    } else {
        d(printf("No remove, can't rename\n"));
        /* FIXME: Implement folder 'copy' for remote stores */
        /* This exception never goes anywhere, so it doesn't need translating or using */
        notify_listener (listener, GNOME_Evolution_Storage_UNSUPPORTED_OPERATION);
    }

    g_free(src);
    g_free(dst);

    camel_exception_clear (&ex);
}

static void
storage_connected (CamelStore *store, CamelFolderInfo *info, void *storage)
{
    if (!info) {
        /* Let it know the connection failed by calling
         * has_subfolders again.
         */
        evolution_storage_has_subfolders (storage, "/",
                          _("Connecting..."));
    }
}

static void
storage_connect (EvolutionStorage *storage,
         const char *path,
         CamelStore *store)
{
    mail_note_store (CAMEL_STORE (store), storage, CORBA_OBJECT_NIL,
             storage_connected, storage);
}

static void
add_storage (const char *name, const char *uri, CamelService *store,
         GNOME_Evolution_Shell corba_shell, CamelException *ex)
{
    EvolutionStorage *storage;
    EvolutionStorageResult res;
    
    storage = evolution_storage_new (name, FALSE);
    g_signal_connect(storage, "open_folder", G_CALLBACK(storage_connect), store);
    g_signal_connect(storage, "create_folder", G_CALLBACK(storage_create_folder), store);
    g_signal_connect(storage, "remove_folder", G_CALLBACK(storage_remove_folder), store);
    g_signal_connect(storage, "xfer_folder", G_CALLBACK(storage_xfer_folder), store);
    
    res = evolution_storage_register_on_shell (storage, corba_shell);
    
    switch (res) {
    case EVOLUTION_STORAGE_OK:
        evolution_storage_has_subfolders (storage, "/", _("Connecting..."));
        mail_hash_storage (store, storage);
        /*if (auto_connect)*/
        mail_note_store ((CamelStore *) store, storage, CORBA_OBJECT_NIL, NULL, NULL);
        /* falllll */
    case EVOLUTION_STORAGE_ERROR_ALREADYREGISTERED:
    case EVOLUTION_STORAGE_ERROR_EXISTS:
        bonobo_object_unref (BONOBO_OBJECT (storage));
        return;
    default:
        camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM,
                     _("Cannot register storage with shell"));
        break;
    }
}


void
mail_add_storage (CamelStore *store, const char *name, const char *uri)
{
    EvolutionShellClient *shell_client;
    GNOME_Evolution_Shell shell;
    CamelException ex;
    
    g_return_if_fail (CAMEL_IS_STORE (store));
    
    shell_client = evolution_shell_component_get_owner (shell_component);
    shell = evolution_shell_client_corba_objref (shell_client);
    
    camel_exception_init (&ex);
    
    if (name == NULL) {
        char *service_name;
        
        service_name = camel_service_get_name ((CamelService *) store, TRUE);
        add_storage (service_name, uri, (CamelService *) store, shell, &ex);
        g_free (service_name);
    } else {
        add_storage (name, uri, (CamelService *) store, shell, &ex);
    }
    
    camel_exception_clear (&ex);
}

void
mail_load_storage_by_uri (GNOME_Evolution_Shell shell, const char *uri, const char *name)
{
    CamelException ex;
    CamelService *store;
    CamelProvider *prov;
    
    camel_exception_init (&ex);
    
    /* Load the service (don't connect!). Check its provider and
     * see if this belongs in the shell's folder list. If so, add
     * it.
     */
    
    prov = camel_session_get_provider (session, uri, &ex);
    if (prov == NULL) {
        /* FIXME: real error dialog */
        g_warning ("couldn't get service %s: %s\n", uri,
               camel_exception_get_description (&ex));
        camel_exception_clear (&ex);
        return;
    }
    
    if (!(prov->flags & CAMEL_PROVIDER_IS_STORAGE) ||
        (prov->flags & CAMEL_PROVIDER_IS_EXTERNAL))
        return;
    
    store = camel_session_get_service (session, uri, CAMEL_PROVIDER_STORE, &ex);
    if (store == NULL) {
        /* FIXME: real error dialog */
        g_warning ("couldn't get service %s: %s\n", uri,
               camel_exception_get_description (&ex));
        camel_exception_clear (&ex);
        return;
    }
    
    if (name == NULL) {
        char *service_name;
        
        service_name = camel_service_get_name (store, TRUE);
        add_storage (service_name, uri, store, shell, &ex);
        g_free (service_name);
    } else
        add_storage (name, uri, store, shell, &ex);
    
    if (camel_exception_is_set (&ex)) {
        /* FIXME: real error dialog */
        g_warning ("Cannot load storage: %s",
               camel_exception_get_description (&ex));
        camel_exception_clear (&ex);
    }
    
    camel_object_unref (CAMEL_OBJECT (store));
}

void
mail_load_storages (GNOME_Evolution_Shell shell, EAccountList *accounts)
{
    CamelException ex;
    EIterator *iter;
    
    camel_exception_init (&ex);
    
    /* Load each service (don't connect!). Check its provider and
     * see if this belongs in the shell's folder list. If so, add
     * it.
     */
    
    iter = e_list_get_iterator ((EList *) accounts);
    while (e_iterator_is_valid (iter)) {
        EAccountService *service;
        EAccount *account;
        const char *name;
        
        account = (EAccount *) e_iterator_get (iter);
        service = account->source;
        name = account->name;
        
        if (account->enabled && service->url != NULL)
            mail_load_storage_by_uri (shell, service->url, name);
        
        e_iterator_next (iter);
    }
    
    g_object_unref (iter);
}

void
mail_hash_storage (CamelService *store, EvolutionStorage *storage)
{
    camel_object_ref (CAMEL_OBJECT (store));
    g_hash_table_insert (storages_hash, store, storage);
}

EvolutionStorage *
mail_lookup_storage (CamelStore *store)
{
    EvolutionStorage *storage;
    
    /* Because the storages_hash holds a reference to each store
     * used as a key in it, none of them will ever be gc'ed, meaning
     * any call to camel_session_get_{service,store} with the same
     * URL will always return the same object. So this works.
     */
    
    storage = g_hash_table_lookup (storages_hash, store);
    if (storage)
        bonobo_object_ref (BONOBO_OBJECT (storage));
    
    return storage;
}

static void
store_disconnect(CamelStore *store, void *event_data, void *data)
{
    camel_service_disconnect (CAMEL_SERVICE (store), TRUE, NULL);
    camel_object_unref (CAMEL_OBJECT (store));
}

void
mail_remove_storage (CamelStore *store)
{
    EvolutionStorage *storage;
    EvolutionShellClient *shell_client;
    GNOME_Evolution_Shell corba_shell;
    
    /* Because the storages_hash holds a reference to each store
     * used as a key in it, none of them will ever be gc'ed, meaning
     * any call to camel_session_get_{service,store} with the same
     * URL will always return the same object. So this works.
     */
    
    storage = g_hash_table_lookup (storages_hash, store);
    if (!storage)
        return;
    
    g_hash_table_remove (storages_hash, store);
    
    /* so i guess potentially we could have a race, add a store while one
       being removed.  ?? */
    mail_note_store_remove(store);
    
    shell_client = evolution_shell_component_get_owner (shell_component);
    corba_shell = evolution_shell_client_corba_objref(shell_client);
    
    evolution_storage_deregister_on_shell (storage, corba_shell);
    
    mail_async_event_emit(async_event, MAIL_ASYNC_THREAD, (MailAsyncFunc)store_disconnect, store, NULL, NULL);
}

void
mail_remove_storage_by_uri (const char *uri)
{
    CamelProvider *prov;
    CamelService *store;

    prov = camel_session_get_provider (session, uri, NULL);
    if (!prov)
        return;
    if (!(prov->flags & CAMEL_PROVIDER_IS_STORAGE) ||
        (prov->flags & CAMEL_PROVIDER_IS_EXTERNAL))
        return;

    store = camel_session_get_service (session, uri, CAMEL_PROVIDER_STORE, NULL);
    if (store != NULL) {
        mail_remove_storage (CAMEL_STORE (store));
        camel_object_unref (CAMEL_OBJECT (store));
    }
}

int
mail_storages_count (void)
{
    return g_hash_table_size (storages_hash);
}

void
mail_storages_foreach (GHFunc func, gpointer data)
{
    g_hash_table_foreach (storages_hash, func, data);
}


#define FACTORY_ID "OAFIID:GNOME_Evolution_Mail_ControlFactory"

#define MAIL_CONFIG_IID "OAFIID:GNOME_Evolution_MailConfig"
#define WIZARD_IID "OAFIID:GNOME_Evolution_Mail_Wizard"
#define FOLDER_INFO_IID "OAFIID:GNOME_Evolution_FolderInfo"

static BonoboObject *
factory (BonoboGenericFactory *factory,
     const char *component_id,
     void *closure)
{
    printf("Activating component '%s'\n", component_id);

    if (strcmp (component_id, COMPONENT_ID) == 0)
        return create_component();
    else if (strcmp(component_id, MAIL_CONFIG_IID) == 0)
        return (BonoboObject *)g_object_new (evolution_mail_config_get_type (), NULL);
    else if (strcmp(component_id, FOLDER_INFO_IID) == 0)
        return evolution_folder_info_new();
    else if (strcmp(component_id, WIZARD_IID) == 0)
        return evolution_mail_config_wizard_new();

#warning "font prefs"
#define MAIL_FONT_PREFS_CONTROL_ID "OAFIID:GNOME_Evolution_Mail_FontPrefs_ConfigControl"

    else if (strcmp (component_id, MAIL_ACCOUNTS_CONTROL_ID) == 0
         || strcmp (component_id, MAIL_PREFERENCES_CONTROL_ID) == 0
         || strcmp (component_id, MAIL_COMPOSER_PREFS_CONTROL_ID) == 0
         || strcmp (component_id, MAIL_FONT_PREFS_CONTROL_ID) == 0)
        return mail_config_control_factory_cb (factory, component_id, evolution_shell_client_corba_objref (global_shell_client));

    g_warning (FACTORY_ID ": Don't know what to do with %s", component_id);
    return NULL;
}

/* The GNOME SEGV handler will lose if it's not run from the main Gtk
 * thread. So if we crash in another thread, redirect the signal.
 */
static void (*gnome_segv_handler) (int);

static GStaticMutex segv_mutex = G_STATIC_MUTEX_INIT;

static void
segv_redirect (int sig)
{
    if (pthread_self () == mail_gui_thread)
        gnome_segv_handler (sig);
    else {
        pthread_kill (mail_gui_thread, sig);
        /* We can't return from the signal handler or the
         * thread may SEGV again. But we can't pthread_exit,
         * because then the thread may get cleaned up before
         * bug-buddy can get a stack trace. So we block by
         * trying to lock a mutex we know is already locked.
         */
        g_static_mutex_lock (&segv_mutex);
    }
}


static Bonobo_Unknown
make_factory (PortableServer_POA poa, const char *iid, gpointer impl_ptr, CORBA_Environment *ev)
{
    struct sigaction sa, osa;
    static int init = 0;

    if (!init) {
        sigaction (SIGSEGV, NULL, &osa);
        if (osa.sa_handler != SIG_DFL) {
            sa.sa_flags = 0;
            sigemptyset (&sa.sa_mask);
            sa.sa_handler = segv_redirect;
            sigaction (SIGSEGV, &sa, NULL);
            sigaction (SIGBUS, &sa, NULL);
            sigaction (SIGFPE, &sa, NULL);
            
            sa.sa_handler = SIG_IGN;
            sigaction (SIGXFSZ, &sa, NULL);
            gnome_segv_handler = osa.sa_handler;
            g_static_mutex_lock (&segv_mutex);
        }
        
        /* init ? */
        mail_config_init ();
        mail_msg_init ();
        init = 1;
    }

    return bonobo_shlib_factory_std (FACTORY_ID, poa, impl_ptr, factory, NULL, ev);
}

static BonoboActivationPluginObject plugin_list[] = {
    {FACTORY_ID, make_factory},
    { NULL }
};
const  BonoboActivationPlugin Bonobo_Plugin_info = {
    plugin_list, "Evolution Mail component factory"
};