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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2008 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU General Public License Version 2
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <string.h>
#include <glib.h>
#include <unique/unique.h>
#include "egg-unique.h"
#include "egg-debug.h"
static void egg_unique_finalize (GObject *object);
#define EGG_UNIQUE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), EGG_UNIQUE_TYPE, EggUniquePrivate))
struct EggUniquePrivate
{
UniqueApp *uniqueapp;
};
enum {
ACTIVATED,
LAST_SIGNAL
};
static guint signals [LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE (EggUnique, egg_unique, G_TYPE_OBJECT)
/**
* egg_unique_message_cb:
**/
static void
egg_unique_message_cb (UniqueApp *app, UniqueCommand command, UniqueMessageData *message_data, guint time_s, EggUnique *egg_unique)
{
g_return_if_fail (EGG_IS_UNIQUE (egg_unique));
if (command == UNIQUE_ACTIVATE)
g_signal_emit (egg_unique, signals [ACTIVATED], 0);
}
/**
* egg_unique_assign:
* @egg_unique: This class instance
* @service: The service name
* Return value: %FALSE if we should exit as another instance is running
**/
gboolean
egg_unique_assign (EggUnique *egg_unique, const gchar *service)
{
g_return_val_if_fail (EGG_IS_UNIQUE (egg_unique), FALSE);
g_return_val_if_fail (service != NULL, FALSE);
if (egg_unique->priv->uniqueapp != NULL) {
g_warning ("already assigned!");
return FALSE;
}
/* check to see if the user has another instance open */
egg_unique->priv->uniqueapp = unique_app_new (service, NULL);
if (unique_app_is_running (egg_unique->priv->uniqueapp)) {
egg_debug ("You have another instance running. This program will now close");
unique_app_send_message (egg_unique->priv->uniqueapp, UNIQUE_ACTIVATE, NULL);
return FALSE;
}
/* Listen for messages from another instances */
g_signal_connect (G_OBJECT (egg_unique->priv->uniqueapp), "message-received",
G_CALLBACK (egg_unique_message_cb), egg_unique);
return TRUE;
}
/**
* egg_unique_class_init:
* @egg_unique: This class instance
**/
static void
egg_unique_class_init (EggUniqueClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = egg_unique_finalize;
g_type_class_add_private (klass, sizeof (EggUniquePrivate));
signals [ACTIVATED] =
g_signal_new ("activated",
G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EggUniqueClass, activated),
NULL, NULL, g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
/**
* egg_unique_init:
* @egg_unique: This class instance
**/
static void
egg_unique_init (EggUnique *egg_unique)
{
egg_unique->priv = EGG_UNIQUE_GET_PRIVATE (egg_unique);
egg_unique->priv->uniqueapp = NULL;
}
/**
* egg_unique_finalize:
* @object: This class instance
**/
static void
egg_unique_finalize (GObject *object)
{
EggUnique *egg_unique;
g_return_if_fail (object != NULL);
g_return_if_fail (EGG_IS_UNIQUE (object));
egg_unique = EGG_UNIQUE_OBJECT (object);
egg_unique->priv = EGG_UNIQUE_GET_PRIVATE (egg_unique);
if (egg_unique->priv->uniqueapp != NULL)
g_object_unref (egg_unique->priv->uniqueapp);
G_OBJECT_CLASS (egg_unique_parent_class)->finalize (object);
}
/**
* egg_unique_new:
* Return value: new class instance.
**/
EggUnique *
egg_unique_new (void)
{
EggUnique *egg_unique;
egg_unique = g_object_new (EGG_UNIQUE_TYPE, NULL);
return EGG_UNIQUE_OBJECT (egg_unique);
}
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