path: root/mail/component-factory.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* component-factory.c
 *
 * Authors: Ettore Perazzoli <ettore@helixcode.com>
 *
 * Copyright (C) 2000  Helix Code, Inc.
 *
 * 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.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <bonobo.h>

#include "camel.h"

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

#include "folder-browser-factory.h"
#include "evolution-shell-component.h"
#include "folder-browser.h"
#include "mail.h"       /* YUCK FIXME */
#include "mail-tools.h"
#include "mail-ops.h"
#include "mail-local.h"
#include "mail-session.h"
#include <gal/widgets/e-gui-utils.h>

#include "component-factory.h"

#include <executive-summary/evolution-services/executive-summary-component.h>
#include "mail-summary.h"

CamelFolder *drafts_folder = NULL;
CamelFolder *outbox_folder = NULL;
CamelFolder *sent_folder = NULL;     /* this one should be configurable? */
char *evolution_dir;

static void create_vfolder_storage (EvolutionShellComponent *shell_component);

#define COMPONENT_FACTORY_ID "OAFIID:evolution-shell-component-factory:evolution-mail:0ea887d5-622b-4b8c-b525-18aa1cbe18a6"
#define SUMMARY_FACTORY_ID "OAFIID:evolution-executive-summary-component-factory:evolution-mail:be210cba-0eee-4def-84fa-643d50321217"

static BonoboGenericFactory *factory = NULL;
static BonoboGenericFactory *summary_factory = NULL;
static gint running_objects = 0;
static GHashTable *storages_hash;

static const EvolutionShellComponentFolderType folder_types[] = {
    { "mail", "evolution-inbox.png" },
    { NULL, NULL }
};

/* EvolutionShellComponent methods and signals.  */

static EvolutionShellComponentResult
create_view (EvolutionShellComponent *shell_component,
         const char *physical_uri,
         const char *folder_type,
         BonoboControl **control_return,
         void *closure)
{
    EvolutionShellClient *shell_client;
    Evolution_Shell corba_shell;
    BonoboControl *control;
    GtkWidget *folder_browser_widget;

    if (g_strcasecmp (folder_type, "mail") != 0)
        return EVOLUTION_SHELL_COMPONENT_UNSUPPORTEDTYPE;

    shell_client = evolution_shell_component_get_owner (shell_component);
    corba_shell = bonobo_object_corba_objref (BONOBO_OBJECT (shell_client));

    control = folder_browser_factory_new_control (physical_uri, corba_shell);
    if (!control)
        return EVOLUTION_SHELL_COMPONENT_NOTFOUND;

    folder_browser_widget = bonobo_control_get_widget (control);

    g_assert (folder_browser_widget != NULL);
    g_assert (IS_FOLDER_BROWSER (folder_browser_widget));

    *control_return = control;

    return EVOLUTION_SHELL_COMPONENT_OK;
}

static void
create_folder (EvolutionShellComponent *shell_component,
           const char *physical_uri,
           const char *type,
           const Evolution_ShellComponentListener listener,
           void *closure)
{
    mail_do_create_folder (listener, physical_uri, type);
}

static void
owner_set_cb (EvolutionShellComponent *shell_component,
          EvolutionShellClient *shell_client,
          const char *evolution_homedir,
          gpointer user_data)
{
    GSList *sources;
    Evolution_Shell corba_shell;

    g_print ("evolution-mail: Yeeeh! We have an owner!\n"); /* FIXME */
    
    evolution_dir = g_strdup (evolution_homedir);
    mail_session_init ();

    mail_config_init ();
    mail_do_setup_folder ("Drafts", &drafts_folder);
    mail_do_setup_folder ("Outbox", &outbox_folder);
    mail_do_setup_folder ("Sent", &sent_folder);
    /* Don't proceed until those _folder variables are valid. */
    mail_operation_wait_for_finish ();

    create_vfolder_storage (shell_component);

    corba_shell = bonobo_object_corba_objref (BONOBO_OBJECT (shell_client));

    sources = mail_config_get_sources ();
    mail_load_storages (corba_shell, sources);
    sources = mail_config_get_news ();
    mail_load_storages (corba_shell, sources);

    mail_local_storage_startup (shell_client, evolution_dir);
}

static void
owner_unset_cb (EvolutionShellComponent *shell_component, gpointer user_data)
{
    mail_operations_terminate ();
    gtk_main_quit ();
}

static void
free_storage (gpointer service, gpointer storage, gpointer data)
{
    camel_service_disconnect (service, TRUE, NULL);
    camel_object_unref (service);
    gtk_object_unref (storage);
}

static void
factory_destroy (BonoboEmbeddable *embeddable,
         gpointer          dummy)
{
    running_objects--;
    if (running_objects > 0)
        return;

    if (factory)
        bonobo_object_unref (BONOBO_OBJECT (factory));
    else
        g_warning ("Serious ref counting error");
    factory = NULL;

    g_hash_table_foreach (storages_hash, free_storage, NULL);
    g_hash_table_destroy (storages_hash);
    storages_hash = NULL;

    gtk_main_quit ();
}

static BonoboObject *
summary_fn (BonoboGenericFactory *factory, void *closure)
{
    ExecutiveSummaryComponent *summary_component;

    summary_component = executive_summary_component_new (create_summary_view, 
                                 NULL, NULL);
    return BONOBO_OBJECT (summary_component);
}

static BonoboObject *
factory_fn (BonoboGenericFactory *factory, void *closure)
{
    EvolutionShellComponent *shell_component;

    running_objects++;

    shell_component = evolution_shell_component_new (folder_types,
                             create_view,
                             create_folder,
                             NULL,
                             NULL,
                             NULL);

    gtk_signal_connect (GTK_OBJECT (shell_component), "destroy",
                GTK_SIGNAL_FUNC (factory_destroy), NULL);
    gtk_signal_connect (GTK_OBJECT (shell_component), "owner_set",
                GTK_SIGNAL_FUNC (owner_set_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (shell_component), "owner_unset",
                GTK_SIGNAL_FUNC (owner_unset_cb), NULL);

    return BONOBO_OBJECT (shell_component);
}

void
component_factory_init (void)
{
    if (factory != NULL)
        return;

    factory = bonobo_generic_factory_new (COMPONENT_FACTORY_ID, factory_fn, NULL);
    summary_factory = bonobo_generic_factory_new (SUMMARY_FACTORY_ID, summary_fn, NULL);

    storages_hash = g_hash_table_new (NULL, NULL);

    if (factory == NULL) {
        e_notice (NULL, GNOME_MESSAGE_BOX_ERROR,
              _("Cannot initialize Evolution's mail component."));
        exit (1);
    }

    if (summary_factory == NULL) {
        e_notice (NULL, GNOME_MESSAGE_BOX_ERROR,
              _("Cannot initialize Evolution's mail summary component."));
    }

    if (storages_hash == NULL) {
        e_notice (NULL, GNOME_MESSAGE_BOX_ERROR,
              _("Cannot initialize Evolution's mail storage hash."));
    }
}

/* FIXME: remove */
static void
create_vfolder_storage (EvolutionShellComponent *shell_component)
{
    void vfolder_create_storage(EvolutionShellComponent *shell_component);

    vfolder_create_storage(shell_component);
}

static void
add_storage (const char *uri, CamelService *store,
         Evolution_Shell corba_shell, CamelException *ex)
{
    EvolutionStorage *storage;
    EvolutionStorageResult res;
    char *name;

    name = camel_service_get_name (store, TRUE);
    storage = evolution_storage_new (name);
    g_free (name);

    res = evolution_storage_register_on_shell (storage, corba_shell);

    switch (res) {
    case EVOLUTION_STORAGE_OK:
        g_hash_table_insert (storages_hash, store, storage);
        camel_object_ref (CAMEL_OBJECT (store));
        mail_do_scan_subfolders (CAMEL_STORE (store), storage);
        /* falllll */
    case EVOLUTION_STORAGE_ERROR_ALREADYREGISTERED:
    case EVOLUTION_STORAGE_ERROR_EXISTS:
        return;
    default:
        camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM,
                     _("Cannot register storage with shell"));
        break;
    }
}

void
mail_load_storages (Evolution_Shell corba_shell, GSList *sources)
{
    CamelException ex;
    MailConfigService *svc;
    GSList *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.
     */

    for (iter = sources; iter; iter = iter->next) {
        CamelService *store;
        CamelProvider *prov;

        svc = (MailConfigService *) iter->data;
        if (svc->url == NULL || svc->url[0] == '\0')
            continue;

        store = camel_session_get_service (session, svc->url, 
                           CAMEL_PROVIDER_STORE, &ex);
        if (store == NULL) {
            /* FIXME: real error dialog */
            g_warning ("couldn't get service %s: %s\n", svc->url,
                   camel_exception_get_description (&ex));
            camel_exception_clear (&ex);
            continue;
        }

        prov = camel_service_get_provider (store);

        /* FIXME: this case is ambiguous for things like the
         * mbox provider, which can really be a spool
         * (/var/spool/mail/user) or a storage (~/mail/, eg).
         * That issue can't be resolved on the provider level
         * -- it's a per-URL problem.
         */
        if (prov->flags & CAMEL_PROVIDER_IS_STORAGE &&
            prov->flags & CAMEL_PROVIDER_IS_REMOTE) {
            add_storage (svc->url, store, corba_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));
        }
    }
}

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)
        gtk_object_ref (GTK_OBJECT (storage));

    return storage;
}