root/trunk/libtinymail-maemo/tny-maemo-platform-factory.c

/* libtinymail-camel - The Tiny Mail base library for Camel
 * Copyright (C) 2006-2007 Philip Van Hoof <pvanhoof@gnome.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with self library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
#include <config.h>

#include <tny-maemo-platform-factory.h>

#include <tny-maemo-account-store.h>
#include <tny-maemo-device.h>
#include <tny-gtk-msg-view.h>
#include <tny-gtk-password-dialog.h>
#include <tny-camel-mime-part.h>
#include <tny-camel-msg.h>

static GObjectClass *parent_class = NULL;

static void
tny_maemo_platform_factory_instance_init (GTypeInstance *instance, gpointer g_class)
{
        return;
}


static TnyMsg*
tny_maemo_platform_factory_new_msg (TnyPlatformFactory *self)
{
        return tny_camel_msg_new ();
}


static TnyMimePart*
tny_maemo_platform_factory_new_mime_part (TnyPlatformFactory *self)
{
        return tny_camel_mime_part_new ();
}

static TnyPasswordGetter*
tny_maemo_platform_factory_new_password_getter (TnyPlatformFactory *self)
{
        return TNY_PASSWORD_GETTER (tny_gtk_password_dialog_new ());
}

static TnyAccountStore*
tny_maemo_platform_factory_new_account_store (TnyPlatformFactory *self)
{
        return TNY_ACCOUNT_STORE (tny_maemo_account_store_new ());
}

static TnyDevice*
tny_maemo_platform_factory_new_device (TnyPlatformFactory *self)
{
        return TNY_DEVICE (tny_maemo_device_new ());
}

static TnyMsgView*
tny_maemo_platform_factory_new_msg_view (TnyPlatformFactory *self)
{
        return tny_gtk_msg_view_new ();
}

/**
 * tny_maemo_platform_factory_get_instance:
 *
 *
 * Return value: The #TnyPlatformFactory singleton instance implemented for Maemo
 **/
TnyPlatformFactory*
tny_maemo_platform_factory_get_instance (void)
{
        TnyMaemoPlatformFactory *self = g_object_new (TNY_TYPE_MAEMO_PLATFORM_FACTORY, NULL);

        return TNY_PLATFORM_FACTORY (self);
}


static void
tny_maemo_platform_factory_finalize (GObject *object)
{
        (*parent_class->finalize) (object);

        return;
}


static void
tny_platform_factory_init (gpointer g, gpointer iface_data)
{
        TnyPlatformFactoryIface *klass = (TnyPlatformFactoryIface *)g;

        klass->new_account_store= tny_maemo_platform_factory_new_account_store;
        klass->new_device= tny_maemo_platform_factory_new_device;
        klass->new_msg_view= tny_maemo_platform_factory_new_msg_view;
        klass->new_msg= tny_maemo_platform_factory_new_msg;
        klass->new_mime_part= tny_maemo_platform_factory_new_mime_part;
        klass->new_password_getter= tny_maemo_platform_factory_new_password_getter;

        return;
}


static TnyMaemoPlatformFactory *the_singleton = NULL;


static GObject*
tny_maemo_platform_factory_constructor (GType type, guint n_construct_params,
                        GObjectConstructParam *construct_params)
{
        GObject *object;

        /* TODO: potential problem: singleton without lock */

        if (G_UNLIKELY (!the_singleton))
        {
                object = G_OBJECT_CLASS (parent_class)->constructor (type,
                                n_construct_params, construct_params);

                the_singleton = TNY_MAEMO_PLATFORM_FACTORY (object);
        }
        else
        {
                /* refdbg killed bug! 
                object = g_object_ref (G_OBJECT (the_singleton)); */

                object = G_OBJECT (the_singleton);
                g_object_freeze_notify (G_OBJECT(the_singleton));
        }

        return object;
}

static void 
tny_maemo_platform_factory_class_init (TnyMaemoPlatformFactoryClass *class)
{
        GObjectClass *object_class;

        parent_class = g_type_class_peek_parent (class);
        object_class = (GObjectClass*) class;

        object_class->finalize = tny_maemo_platform_factory_finalize;
        object_class->constructor = tny_maemo_platform_factory_constructor;

        return;
}

static gpointer 
tny_maemo_platform_factory_register_type (gpointer notused)
{
        GType type = 0;

        static const GTypeInfo info = 
                {
                        sizeof (TnyMaemoPlatformFactoryClass),
                        NULL,   /* base_init */
                        NULL,   /* base_finalize */
                        (GClassInitFunc) tny_maemo_platform_factory_class_init,   /* class_init */
                        NULL,   /* class_finalize */
                        NULL,   /* class_data */
                        sizeof (TnyMaemoPlatformFactory),
                        0,      /* n_preallocs */
                        tny_maemo_platform_factory_instance_init    /* instance_init */
                };
        
        static const GInterfaceInfo tny_platform_factory_info = 
                {
                        (GInterfaceInitFunc) tny_platform_factory_init, /* interface_init */
                        NULL,         /* interface_finalize */
                        NULL          /* interface_data */
                };
        
        type = g_type_register_static (G_TYPE_OBJECT,
                                       "TnyMaemoPlatformFactory",
                                       &info, 0);
        
        g_type_add_interface_static (type, TNY_TYPE_PLATFORM_FACTORY, 
                                     &tny_platform_factory_info);
        
        return GUINT_TO_POINTER (type);
}

GType 
tny_maemo_platform_factory_get_type (void)
{
        static GOnce once = G_ONCE_INIT;
        g_once (&once, tny_maemo_platform_factory_register_type, NULL);
        return GPOINTER_TO_UINT (once.retval);
}