296 lines
7.0 KiB
C
296 lines
7.0 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
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*
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* Licensed under the GNU General Public License Version 2
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:pk-job-list
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* @short_description: A nice way to keep a list of the jobs being processed
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*
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* These provide a good way to keep a list of the jobs being processed so we
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* can see what type of jobs and thier status easily.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <glib/gi18n.h>
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#include <dbus/dbus-glib.h>
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#include "pk-debug.h"
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#include "pk-marshal.h"
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#include "pk-common.h"
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#include "pk-connection.h"
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#include "pk-job-list.h"
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static void pk_job_list_class_init (PkJobListClass *klass);
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static void pk_job_list_init (PkJobList *job_list);
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static void pk_job_list_finalize (GObject *object);
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#define PK_JOB_LIST_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PK_TYPE_JOB_LIST, PkJobListPrivate))
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/**
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* PkJobListPrivate:
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*
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* Private #PkJobList data
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**/
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struct PkJobListPrivate
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{
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DBusGConnection *connection;
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DBusGProxy *proxy;
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gchar **array;
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PkConnection *pconnection;
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};
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typedef enum {
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PK_JOB_LIST_CHANGED,
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PK_JOB_LIST_LAST_SIGNAL
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} PkSignals;
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static guint signals [PK_JOB_LIST_LAST_SIGNAL] = { 0, };
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G_DEFINE_TYPE (PkJobList, pk_job_list, G_TYPE_OBJECT)
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/**
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* pk_job_list_print:
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**/
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gboolean
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pk_job_list_print (PkJobList *jlist)
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{
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guint i;
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gchar *tid;
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guint length;
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g_return_val_if_fail (jlist != NULL, FALSE);
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g_return_val_if_fail (PK_IS_JOB_LIST (jlist), FALSE);
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length = g_strv_length (jlist->priv->array);
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if (length == 0) {
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g_print ("no jobs...\n");
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return TRUE;
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}
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g_print ("jobs: ");
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for (i=0; i<length; i++) {
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tid = jlist->priv->array[i];
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g_print ("%s\n", tid);
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}
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return TRUE;
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}
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/**
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* pk_job_list_refresh:
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*
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* Not normally required, but force a refresh
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**/
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gboolean
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pk_job_list_refresh (PkJobList *jlist)
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{
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gboolean ret;
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GError *error;
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g_return_val_if_fail (jlist != NULL, FALSE);
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g_return_val_if_fail (PK_IS_JOB_LIST (jlist), FALSE);
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/* clear old data */
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if (jlist->priv->array != NULL) {
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g_strfreev (jlist->priv->array);
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jlist->priv->array = NULL;
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}
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error = NULL;
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ret = dbus_g_proxy_call (jlist->priv->proxy, "GetTransactionList", &error,
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G_TYPE_INVALID,
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G_TYPE_STRV, &jlist->priv->array,
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G_TYPE_INVALID);
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if (error != NULL) {
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pk_debug ("ERROR: %s", error->message);
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g_error_free (error);
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}
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if (ret == FALSE) {
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/* abort as the DBUS method failed */
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pk_warning ("GetTransactionList failed!");
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jlist->priv->array = NULL;
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return FALSE;
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}
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return TRUE;
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}
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/**
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* pk_job_list_get_latest:
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**/
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const gchar **
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pk_job_list_get_latest (PkJobList *jlist)
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{
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g_return_val_if_fail (jlist != NULL, FALSE);
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g_return_val_if_fail (PK_IS_JOB_LIST (jlist), FALSE);
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return (const gchar **) jlist->priv->array;
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}
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/**
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* pk_job_list_changed_cb:
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*/
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static void
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pk_job_list_changed_cb (DBusGProxy *proxy,
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gchar **array,
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PkJobList *jlist)
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{
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g_return_if_fail (jlist != NULL);
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g_return_if_fail (PK_IS_JOB_LIST (jlist));
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/* clear old data */
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if (jlist->priv->array != NULL) {
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g_strfreev (jlist->priv->array);
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}
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jlist->priv->array = g_strdupv (array);
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pk_debug ("emit transaction-list-changed");
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g_signal_emit (jlist , signals [PK_JOB_LIST_CHANGED], 0);
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}
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/**
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* pk_job_list_class_init:
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**/
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static void
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pk_job_list_class_init (PkJobListClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = pk_job_list_finalize;
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signals [PK_JOB_LIST_CHANGED] =
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g_signal_new ("transaction-list-changed",
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G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
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0, NULL, NULL, g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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g_type_class_add_private (klass, sizeof (PkJobListPrivate));
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}
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/**
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* pk_client_connect:
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**/
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static void
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pk_job_list_connect (PkJobList *jlist)
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{
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pk_debug ("connect");
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}
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/**
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* pk_connection_changed_cb:
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**/
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static void
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pk_connection_changed_cb (PkConnection *pconnection, gboolean connected, PkJobList *jlist)
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{
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pk_debug ("connected=%i", connected);
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/* force a refresh so we have valid data*/
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if (connected == TRUE) {
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pk_job_list_refresh (jlist);
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}
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}
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/**
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* pk_job_list_init:
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**/
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static void
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pk_job_list_init (PkJobList *jlist)
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{
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GError *error = NULL;
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DBusGProxy *proxy = NULL;
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jlist->priv = PK_JOB_LIST_GET_PRIVATE (jlist);
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jlist->priv->proxy = NULL;
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/* check dbus connections, exit if not valid */
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jlist->priv->connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
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if (error != NULL) {
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pk_warning ("%s", error->message);
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g_error_free (error);
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g_error ("This program cannot start until you start the dbus system service.");
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}
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/* we maintain a local copy */
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jlist->priv->array = NULL;
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/* watch for PackageKit on the bus, and try to connect up at start */
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jlist->priv->pconnection = pk_connection_new ();
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g_signal_connect (jlist->priv->pconnection, "connection-changed",
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G_CALLBACK (pk_connection_changed_cb), jlist);
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if (pk_connection_valid (jlist->priv->pconnection)) {
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pk_job_list_connect (jlist);
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} else {
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pk_debug ("no PK instance on the bus yet");
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}
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/* get a connection */
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proxy = dbus_g_proxy_new_for_name (jlist->priv->connection,
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PK_DBUS_SERVICE, PK_DBUS_PATH, PK_DBUS_INTERFACE);
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if (proxy == NULL) {
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g_error ("Cannot connect to PackageKit.");
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}
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jlist->priv->proxy = proxy;
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dbus_g_proxy_add_signal (proxy, "TransactionListChanged",
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G_TYPE_STRV, G_TYPE_INVALID);
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dbus_g_proxy_connect_signal (proxy, "TransactionListChanged",
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G_CALLBACK(pk_job_list_changed_cb), jlist, NULL);
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/* force a refresh so we have valid data*/
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pk_job_list_refresh (jlist);
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}
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/**
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* pk_job_list_finalize:
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**/
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static void
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pk_job_list_finalize (GObject *object)
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{
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PkJobList *jlist;
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g_return_if_fail (object != NULL);
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g_return_if_fail (PK_IS_JOB_LIST (object));
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jlist = PK_JOB_LIST (object);
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g_return_if_fail (jlist->priv != NULL);
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/* free the proxy */
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g_object_unref (G_OBJECT (jlist->priv->proxy));
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g_object_unref (jlist->priv->pconnection);
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if (jlist->priv->array != NULL) {
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g_strfreev (jlist->priv->array);
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}
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G_OBJECT_CLASS (pk_job_list_parent_class)->finalize (object);
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}
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/**
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* pk_job_list_new:
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**/
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PkJobList *
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pk_job_list_new (void)
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{
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PkJobList *jlist;
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jlist = g_object_new (PK_TYPE_JOB_LIST, NULL);
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return PK_JOB_LIST (jlist);
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}
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