path: root/mail/component-factory.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* component-factory.c
 *
 * 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.
 *
 * Author: Ettore Perazzoli
 */

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

#include <bonobo.h>

#include "camel.h"

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

#include "evolution-shell-component.h"
#include "folder-browser.h"
#include "mail.h"       /* YUCK FIXME */
#include "mail-threads.h"
#include "e-util/e-gui-utils.h"
#include "e-util/e-setup.h"

#include "filter/filter-driver.h"
#include "component-factory.h"

static void create_vfolder_storage (EvolutionShellComponent *shell_component);
static void create_imap_storage (EvolutionShellComponent *shell_component);
static void real_create_imap_storage( gpointer user_data );
static void create_news_storage (EvolutionShellComponent *shell_component);
static void real_create_news_storage( gpointer user_data );

#ifdef USING_OAF
#define COMPONENT_FACTORY_ID "OAFIID:evolution-shell-component-factory:evolution-mail:0ea887d5-622b-4b8c-b525-18aa1cbe18a6"
#else
#define COMPONENT_FACTORY_ID "evolution-shell-component-factory:evolution-mail"
#endif

static BonoboGenericFactory *factory = NULL;

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

static GList *browsers;

/* GROSS HACK: for passing to other parts of the program */
EvolutionShellClient *global_shell_client = 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)
{
    BonoboControl *control;
    GtkWidget *folder_browser_widget;

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

    control = folder_browser_factory_new_control (physical_uri);
    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));

    browsers = g_list_prepend (browsers, folder_browser_widget);

    /* dum de dum, hack to let the folder browser know the storage its in */
    gtk_object_set_data (GTK_OBJECT (folder_browser_widget), "e-storage",
                 gtk_object_get_data(GTK_OBJECT (shell_component), "e-storage"));

    *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)
{
    CORBA_Environment ev;
    CamelStore *store;
    CamelFolder *folder;
    CamelException ex;
    Evolution_ShellComponentListener_Result result;

    camel_exception_init (&ex);
    if (strcmp (type, "mail") != 0)
        result = Evolution_ShellComponentListener_UNSUPPORTED_TYPE;
    else {
        char *camel_url = g_strdup_printf ("mbox://%s", physical_uri);

        store = camel_session_get_store (session, camel_url, &ex);
        g_free (camel_url);
        if (!camel_exception_is_set (&ex)) {
            folder = camel_store_get_folder (store, "mbox",
                             TRUE, &ex);
            gtk_object_unref (GTK_OBJECT (store));
        }
        if (!camel_exception_is_set (&ex)) {
            gtk_object_unref (GTK_OBJECT (folder));
            result = Evolution_ShellComponentListener_OK;
        } else
            result = Evolution_ShellComponentListener_INVALID_URI;
    }

    camel_exception_clear (&ex);

    CORBA_exception_init (&ev);
    Evolution_ShellComponentListener_report_result (listener, result, &ev);
    CORBA_exception_free (&ev);
}

static void
owner_set_cb (EvolutionShellComponent *shell_component,
          EvolutionShellClient *shell_client,
          gpointer user_data)
{
    g_print ("evolution-mail: Yeeeh! We have an owner!\n"); /* FIXME */

    /* GROSS HACK */
    global_shell_client = shell_client;

    create_vfolder_storage (shell_component);
    create_imap_storage (shell_component);
    create_news_storage (shell_component);
}

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

    /* Sync each open folder. We should do more cleanup than this,
     * but then, we shouldn't be just exiting here either. FIXME.
     */
    while (browsers) {
        fb = browsers->data;
        camel_folder_sync (fb->folder, FALSE, NULL);
        browsers = browsers->next;
    }

    gtk_main_quit ();
}

/* The factory function.  */

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

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

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

static void
create_vfolder_storage (EvolutionShellComponent *shell_component)
{
    EvolutionShellClient *shell_client;
    Evolution_Shell corba_shell;
    EvolutionStorage *storage;
    
    shell_client = evolution_shell_component_get_owner (shell_component);
    if (shell_client == NULL) {
        g_warning ("We have no shell!?");
        return;
    }

    corba_shell = bonobo_object_corba_objref (BONOBO_OBJECT (shell_client));
    
    storage = evolution_storage_new ("VFolders");
    if (evolution_storage_register_on_shell (storage, corba_shell) != EVOLUTION_STORAGE_OK) {
        g_warning ("Cannot register storage");
        return;
    }

    /* save the storage for later */
    gtk_object_set_data(GTK_OBJECT (shell_component), "e-storage", storage);

    /* this is totally not the way we want to do this - but the
       filter stuff needs work before we can remove it */
    {
        FilterDriver *fe;
        int i, count;
        char *user, *system;

        fe = filter_driver_new();
        user = g_strdup_printf ("%s/vfolders.xml", evolution_dir);
        system = g_strdup_printf("%s/evolution/vfoldertypes.xml", EVOLUTION_DATADIR);
        filter_driver_set_rules(fe, system, user);
        g_free(user);
        g_free(system);
        count = filter_driver_rule_count(fe);

        for (i = 0; i < count; i++) {
            struct filter_option *fo;
            GString *query;
            struct filter_desc *desc = NULL;
            char *desctext, descunknown[64];
            char *name;

            fo = filter_driver_rule_get(fe, i);
            if (fo == NULL)
                continue;
            query = g_string_new("");
            if (fo->description)
                desc = fo->description->data;
            if (desc)
                desctext = desc->data;
            else {
                sprintf(descunknown, "vfolder-%p", fo);
                desctext = descunknown;
            }
            g_string_sprintf(query, "vfolder:%s/vfolder/%s?", evolution_dir, desctext);
            filter_driver_expand_option(fe, query, NULL, fo);
            name = g_strdup_printf("/%s", desctext);
            printf("Adding new vfolder: %s\n", query->str);
            evolution_storage_new_folder (storage, name,
                              "mail",
                              query->str,
                              desctext);
            g_string_free(query, TRUE);
            g_free(name);
        }
        gtk_object_unref(GTK_OBJECT (fe));
    }
}

struct create_info_s {
    EvolutionStorage *storage;
    char *source;
};

static void
create_imap_storage (EvolutionShellComponent *shell_component)
{
    Evolution_Shell corba_shell;
    EvolutionStorage *storage;
    char *cpath, *source, *server, *p;
    struct create_info_s *ii;

    cpath = g_strdup_printf ("=%s/config=/mail/source", evolution_dir);
    source = gnome_config_get_string (cpath);
    g_free (cpath);

    if (!source || strncasecmp (source, "imap://", 7))
        return;
    
    corba_shell = evolution_shell_component_get_owner (shell_component);
    if (corba_shell == CORBA_OBJECT_NIL) {
        g_warning ("We have no shell!?");
        g_free (source);
        return;
    }

    if (!(server = strchr (source, '@'))) {
        g_free (source);
        return;
    }
    
    server++;
    for (p = server; *p && *p != '/'; p++);

    server = g_strndup (server, (gint)(p - server));
    
    storage = evolution_storage_new (server);
    g_free (server);

    if (evolution_storage_register_on_shell (storage, corba_shell) != EVOLUTION_STORAGE_OK) {
        g_warning ("Cannot register storage");
        g_free (source);
        return;
    }

    ii = g_new( struct create_info_s, 1 );
    ii->storage = storage;
    ii->source = g_strdup( source );

#ifdef USE_BROKEN_THREADS
    mail_operation_try( "Create IMAP Storage", real_create_imap_storage, g_free, ii );
#else
    real_create_imap_storage( ii );
    g_free( ii );
#endif
    /* Note the g_free as our cleanup function deleting the ii struct when we're done */
}

static void
real_create_imap_storage( gpointer user_data )
{   
    CamelException *ex;
    EvolutionStorage *storage;
    char *p, *source;
    CamelStore *store;
    CamelFolder *folder;
    GPtrArray *lsub;
    int i, max;
    struct create_info_s *ii;

    ii = (struct create_info_s *) user_data;
    storage = ii->storage;
    source = ii->source;

#ifdef USE_BROKEN_THREADS
    mail_op_hide_progressbar();
    mail_op_set_message( "Connecting to IMAP service..." );
#endif
    ex = camel_exception_new ();
    
    store = camel_session_get_store (session, source, ex);
    if (!store) {
        goto cleanup;
    }
    
    camel_service_connect (CAMEL_SERVICE (store), ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        goto cleanup;
    }

#ifdef USE_BROKEN_THREADS
    mail_op_set_message( "Connected. Examining folders..." );
#endif

    folder = camel_store_get_root_folder (store, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        goto cleanup;
    }

    /* we need a way to set the namespace */
    lsub = camel_folder_get_subfolder_names (folder, ex);

    p = g_strdup_printf ("%s/INBOX", source);
    evolution_storage_new_folder (storage, "/INBOX", "mail", p, "description");

    max = lsub->len;
    for (i = 0; i < max; i++) {
        char *path, *buf;

        path = g_strdup_printf ("/%s", (char *)lsub->pdata[i]);
        buf = g_strdup_printf ("%s/%s", source, path);
        g_print ("Adding %s\n", path);

#ifdef USE_BROKEN_THREADS
        mail_op_set_message( "Adding %s", path );
#endif

        evolution_storage_new_folder (storage, path, "mail", buf, "description");
    }

 cleanup:
    g_free( ii->source );
#ifdef USE_BROKEN_THREADS
    if( camel_exception_is_set( ex ) )
        mail_op_error( "%s", camel_exception_get_description( ex ) );
#endif
    camel_exception_free (ex);
}

static void
create_news_storage (EvolutionShellComponent *shell_component)
{
    Evolution_Shell corba_shell;
    EvolutionStorage *storage;
    char *cpath, *source, *server, *p;
    struct create_info_s *ni;

    cpath = g_strdup_printf ("=%s/config=/news/source", evolution_dir);
    source = gnome_config_get_string (cpath);
    g_free (cpath);

    if (!source || strncasecmp (source, "news://", 7))
        return;
    
    corba_shell = evolution_shell_component_get_owner (shell_component);
    if (corba_shell == CORBA_OBJECT_NIL) {
        g_warning ("We have no shell!?");
        g_free (source);
        return;
    }

    server = source + 7;
    for (p = server; *p && *p != '/'; p++);

    server = g_strndup (server, (gint)(p - server));
    
    storage = evolution_storage_new (server);
    g_free (server);

    if (evolution_storage_register_on_shell (storage, corba_shell) != EVOLUTION_STORAGE_OK) {
        g_warning ("Cannot register storage");
        g_free (source);
        return;
    }

    ni = g_new( struct create_info_s, 1 );
    ni->storage = storage;
    ni->source = g_strdup( source );

#ifdef USE_BROKEN_THREADS
    mail_operation_try( "Create News Storage", real_create_news_storage, g_free, ni );
#else
    real_create_news_storage( ni );
    g_free( ni );
#endif
    /* again note the g_free cleanup func */
}

static void
real_create_news_storage( gpointer user_data )
{   
    EvolutionStorage *storage;
    char *source;
    CamelStore *store;
    CamelFolder *folder;
    CamelException *ex;
    GPtrArray *lsub;
    int i, max;
    struct create_info_s *ni;

    ni = (struct create_info_s *) user_data;
    storage = ni->storage;
    source = ni->source;

#ifdef USE_BROKEN_THREADS
    mail_op_hide_progressbar();
    mail_op_set_message( "Connecting to news service..." );
#endif

    ex = camel_exception_new ();
    
    store = camel_session_get_store (session, source, ex);
    if (!store) {
        goto cleanup;
    }
    
    camel_service_connect (CAMEL_SERVICE (store), ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        goto cleanup;
    }

#ifdef USE_BROKEN_THREADS
    mail_op_set_message( "Connected. Examining folders..." );
#endif

    folder = camel_store_get_root_folder (store, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        goto cleanup;
    }

    /* we need a way to set the namespace */
    lsub = camel_folder_get_subfolder_names (folder, ex);

    max = lsub->len;
    for (i = 0; i < max; i++) {
        char *path, *buf;

        path = g_strdup_printf ("/%s", (char *)lsub->pdata[i]);
        buf = g_strdup_printf ("%s%s", source, path);
        g_print ("Adding %s\n", path);

#ifdef USE_BROKEN_THREADS
        mail_op_set_message( "Adding %s", path );
#endif
        /* FIXME: should be s,"mail","news",? */
        evolution_storage_new_folder (storage, path, "mail", buf, "description");
    }

 cleanup:
    g_free( ni->source );
#ifdef USE_BROKEN_THREADS
    if( camel_exception_is_set( ex ) )
        mail_op_error( "%s", camel_exception_get_description( ex ) );
#endif
    camel_exception_free (ex);
}