path: root/lib/ephy-signal-accumulator.c

/*
*  Copyright (C) 2004 Christian Persch
*
*  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, 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.
*
*  $Id$
*/

#include "config.h"

#include "ephy-signal-accumulator.h"

typedef GType (* GetTypeFunc)   (void);

gboolean
ephy_signal_accumulator_object (GSignalInvocationHint *ihint,
                GValue *return_accu,
                const GValue *handler_return,
                gpointer accu_data)
{
    GObject *object;
    GetTypeFunc get_type = (GetTypeFunc) accu_data;

    object = g_value_get_object (handler_return);
    if (object != NULL &&
        G_TYPE_CHECK_INSTANCE_TYPE (object, get_type ()))
    {
        g_value_set_object (return_accu, object);

        return FALSE;
    }
    else if (object != NULL)
    {
        g_return_val_if_reached (TRUE);
    }

    return TRUE;
}

gboolean
ephy_signal_accumulator_string (GSignalInvocationHint *ihint,
                    GValue *return_accu,
                    const GValue *handler_return,
                    gpointer accu_data)
{
    g_value_copy (handler_return, return_accu);
    
    return g_value_get_string (handler_return) == NULL;
}