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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 8 -*- */
/*
* This file is part of mission-control
*
* Copyright (C) 2007 Nokia Corporation.
*
* Contact: Naba Kumar <naba.kumar@nokia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
/**
* SECTION:mcd-proxy
* @title: McdProxy
* @short_description: Mission proxy class
* @see_also:
* @stability: Unstable
* @include: mcd-proxy.h
*
* This is a simple container class that proxies the events from a proxy
* object to self container.
*/
#include <glib/gi18n.h>
#include "mcd-proxy.h"
#define MCD_PROXY_PRIV(proxy) (G_TYPE_INSTANCE_GET_PRIVATE ((proxy), \
MCD_TYPE_PROXY, \
McdProxyPrivate))
G_DEFINE_TYPE (McdProxy, mcd_proxy, MCD_TYPE_OPERATION);
/* Private */
typedef struct _McdProxyPrivate
{
McdMission *proxy_object;
gboolean is_disposed;
} McdProxyPrivate;
enum
{
PROP_0,
PROP_PROXY_OBJECT
};
static void
_mcd_proxy_abort (McdProxy * proxy)
{
/* Releases the reference */
g_object_set (proxy, "proxy-object", NULL, NULL);
/* Propagate the "abort" event to our listeners */
mcd_mission_abort (MCD_MISSION (proxy));
}
static void
_mcd_proxy_connect_signals (McdProxy * proxy)
{
McdProxyPrivate *priv = MCD_PROXY_PRIV (proxy);
g_signal_connect_swapped (priv->proxy_object, "connected",
G_CALLBACK (mcd_mission_connect), proxy);
g_signal_connect_swapped (priv->proxy_object, "disconnected",
G_CALLBACK (mcd_mission_disconnect), proxy);
g_signal_connect_swapped (priv->proxy_object, "flags-changed",
G_CALLBACK (mcd_mission_set_flags), proxy);
g_signal_connect_swapped (priv->proxy_object, "mode-set",
G_CALLBACK (mcd_mission_set_mode), proxy);
g_signal_connect_swapped (priv->proxy_object, "abort",
G_CALLBACK (_mcd_proxy_abort), proxy);
}
static void
_mcd_proxy_disconnect_signals (McdProxy * proxy)
{
McdProxyPrivate *priv = MCD_PROXY_PRIV (proxy);
g_signal_handlers_disconnect_by_func (priv->proxy_object,
G_CALLBACK (mcd_mission_connect),
proxy);
g_signal_handlers_disconnect_by_func (priv->proxy_object,
G_CALLBACK (mcd_mission_disconnect),
proxy);
g_signal_handlers_disconnect_by_func (priv->proxy_object,
G_CALLBACK (mcd_mission_set_flags),
proxy);
g_signal_handlers_disconnect_by_func (priv->proxy_object,
G_CALLBACK (mcd_mission_set_mode),
proxy);
g_signal_handlers_disconnect_by_func (priv->proxy_object,
G_CALLBACK (_mcd_proxy_abort), proxy);
}
static void
_mcd_proxy_finalize (GObject * object)
{
G_OBJECT_CLASS (mcd_proxy_parent_class)->finalize (object);
}
static void
_mcd_proxy_dispose (GObject * object)
{
McdProxyPrivate *priv = MCD_PROXY_PRIV (object);
if (priv->is_disposed)
{
return;
}
priv->is_disposed = TRUE;
g_debug ("proxy disposed\n");
if (priv->proxy_object)
{
/* Disconnect proxy signals */
_mcd_proxy_disconnect_signals (MCD_PROXY (object));
g_object_unref (priv->proxy_object);
priv->proxy_object = NULL;
}
G_OBJECT_CLASS (mcd_proxy_parent_class)->dispose (object);
}
static void
_mcd_proxy_set_property (GObject * obj, guint prop_id,
const GValue * val, GParamSpec * pspec)
{
McdMission *proxy_object;
McdProxyPrivate *priv = MCD_PROXY_PRIV (obj);
switch (prop_id)
{
case PROP_PROXY_OBJECT:
proxy_object = g_value_get_object (val);
if (proxy_object)
{
g_return_if_fail (MCD_IS_MISSION (proxy_object));
g_object_ref (proxy_object);
}
if (priv->proxy_object)
{
/* Disconnect proxy signals */
_mcd_proxy_disconnect_signals (MCD_PROXY (obj));
g_object_unref (priv->proxy_object);
}
priv->proxy_object = proxy_object;
if (priv->proxy_object)
{
/* Connect proxy signals */
_mcd_proxy_connect_signals (MCD_PROXY (obj));
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
break;
}
}
static void
_mcd_proxy_get_property (GObject * obj, guint prop_id,
GValue * val, GParamSpec * pspec)
{
McdProxyPrivate *priv = MCD_PROXY_PRIV (obj);
switch (prop_id)
{
case PROP_PROXY_OBJECT:
g_value_set_pointer (val, priv->proxy_object);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
break;
}
}
static void
mcd_proxy_class_init (McdProxyClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof (McdProxyPrivate));
object_class->finalize = _mcd_proxy_finalize;
object_class->dispose = _mcd_proxy_dispose;
object_class->set_property = _mcd_proxy_set_property;
object_class->get_property = _mcd_proxy_get_property;
g_object_class_install_property (object_class,
PROP_PROXY_OBJECT,
g_param_spec_object ("proxy-object",
_("Proxy object"),
_("Object to be monitored for McdMission signals"),
MCD_TYPE_MISSION,
G_PARAM_READWRITE));
}
static void
mcd_proxy_init (McdProxy * obj)
{
McdProxyPrivate *priv = MCD_PROXY_PRIV (obj);
priv->proxy_object = NULL;
}
/* Public */
McdProxy *
mcd_proxy_new (McdMission * proxy_object)
{
McdProxy *obj;
obj = MCD_PROXY (g_object_new (MCD_TYPE_PROXY, "proxy-object",
proxy_object, NULL));
return obj;
}
const McdMission *
mcd_proxy_get_proxy_object (McdProxy * proxy)
{
McdProxyPrivate *priv = MCD_PROXY_PRIV (proxy);
return priv->proxy_object;
}
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