358 lines
8.7 KiB
C
358 lines
8.7 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-task-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-client.h"
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#include "pk-common.h"
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#include "pk-task-list.h"
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#include "pk-job-list.h"
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static void pk_task_list_class_init (PkTaskListClass *klass);
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static void pk_task_list_init (PkTaskList *task_list);
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static void pk_task_list_finalize (GObject *object);
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#define PK_TASK_LIST_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PK_TYPE_TASK_LIST, PkTaskListPrivate))
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/**
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* PkTaskListPrivate:
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*
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* Private #PkTaskList data
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**/
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struct PkTaskListPrivate
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{
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GPtrArray *task_list;
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PkJobList *job_list;
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};
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typedef enum {
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PK_TASK_LIST_CHANGED,
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PK_TASK_LIST_LAST_SIGNAL
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} PkSignals;
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static guint signals [PK_TASK_LIST_LAST_SIGNAL] = { 0, };
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G_DEFINE_TYPE (PkTaskList, pk_task_list, G_TYPE_OBJECT)
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/**
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* pk_task_list_print:
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**/
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gboolean
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pk_task_list_print (PkTaskList *tlist)
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{
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guint i;
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PkTaskListItem *item;
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guint length;
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g_return_val_if_fail (tlist != NULL, FALSE);
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g_return_val_if_fail (PK_IS_TASK_LIST (tlist), FALSE);
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length = tlist->priv->task_list->len;
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g_print ("Tasks:\n");
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if (length == 0) {
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g_print ("[none]...\n");
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return TRUE;
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}
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for (i=0; i<length; i++) {
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item = g_ptr_array_index (tlist->priv->task_list, i);
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g_print ("%s\t%s %s\n", item->tid, pk_role_enum_to_text (item->role), item->package_id);
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}
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return TRUE;
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}
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/**
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* pk_task_list_contains_role:
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**/
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gboolean
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pk_task_list_contains_role (PkTaskList *tlist, PkRoleEnum role)
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{
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guint i;
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PkTaskListItem *item;
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guint length;
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g_return_val_if_fail (tlist != NULL, FALSE);
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g_return_val_if_fail (PK_IS_TASK_LIST (tlist), FALSE);
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length = tlist->priv->task_list->len;
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for (i=0; i<length; i++) {
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item = g_ptr_array_index (tlist->priv->task_list, i);
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if (item->role == role) {
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return TRUE;
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}
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}
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return FALSE;
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}
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/**
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* pk_task_list_find_existing_tid:
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**/
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static PkTaskListItem *
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pk_task_list_find_existing_tid (PkTaskList *tlist, const gchar *tid)
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{
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guint i;
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guint length;
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PkTaskListItem *item;
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length = tlist->priv->task_list->len;
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/* mark previous tasks as non-valid */
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for (i=0; i<length; i++) {
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item = g_ptr_array_index (tlist->priv->task_list, i);
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if (strcmp (item->tid, tid) == 0) {
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return item;
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}
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}
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return NULL;
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}
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/**
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* pk_task_list_job_status_changed_cb:
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**/
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static void
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pk_task_list_job_status_changed_cb (PkClient *client, PkStatusEnum status, PkTaskList *tlist)
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{
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gchar *tid;
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PkTaskListItem *item;
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g_return_if_fail (tlist != NULL);
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g_return_if_fail (PK_IS_TASK_LIST (tlist));
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tid = pk_client_get_tid (client);
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pk_debug ("tid %s is now %i", tid, status);
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/* get correct item */
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item = pk_task_list_find_existing_tid (tlist, tid);
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item->status = status;
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g_free (tid);
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pk_debug ("emit task-list-changed");
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g_signal_emit (tlist , signals [PK_TASK_LIST_CHANGED], 0);
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}
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/**
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* pk_task_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_task_list_refresh (PkTaskList *tlist)
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{
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guint i;
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PkTaskListItem *item;
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guint length;
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const gchar *tid;
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const gchar **array;
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g_return_val_if_fail (tlist != NULL, FALSE);
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g_return_val_if_fail (PK_IS_TASK_LIST (tlist), FALSE);
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/* get the latest job list */
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array = pk_job_list_get_latest (tlist->priv->job_list);
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/* mark previous tasks as non-valid */
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length = tlist->priv->task_list->len;
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for (i=0; i<length; i++) {
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item = g_ptr_array_index (tlist->priv->task_list, i);
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item->valid = FALSE;
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}
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/* copy tasks */
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length = g_strv_length ((gchar **) array);
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for (i=0; i<length; i++) {
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tid = array[i];
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item = pk_task_list_find_existing_tid (tlist, tid);
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if (item == NULL) {
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pk_debug ("new job, have to create %s", tid);
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item = g_new0 (PkTaskListItem, 1);
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item->tid = g_strdup (tid);
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item->monitor = pk_client_new ();
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g_signal_connect (item->monitor, "status-changed",
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G_CALLBACK (pk_task_list_job_status_changed_cb), tlist);
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pk_client_set_tid (item->monitor, tid);
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pk_client_get_role (item->monitor, &item->role, &item->package_id);
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pk_client_get_status (item->monitor, &item->status);
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/* add to watched array */
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g_ptr_array_add (tlist->priv->task_list, item);
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}
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/* mark as present so we don't garbage collect it */
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item->valid = TRUE;
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}
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/* find and remove non-valid watches */
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for (i=0; i<tlist->priv->task_list->len; i++) {
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item = g_ptr_array_index (tlist->priv->task_list, i);
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if (item->valid == FALSE) {
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pk_debug ("remove %s", item->tid);
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g_object_unref (item->monitor);
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g_ptr_array_remove (tlist->priv->task_list, item);
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g_free (item->tid);
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g_free (item->package_id);
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g_free (item);
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}
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}
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return TRUE;
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}
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/**
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* pk_task_list_get_size:
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**/
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guint
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pk_task_list_get_size (PkTaskList *tlist)
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{
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g_return_val_if_fail (tlist != NULL, 0);
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g_return_val_if_fail (PK_IS_TASK_LIST (tlist), 0);
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return tlist->priv->task_list->len;
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}
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/**
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* pk_task_list_get_item:
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**/
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PkTaskListItem *
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pk_task_list_get_item (PkTaskList *tlist, guint item)
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{
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g_return_val_if_fail (tlist != NULL, NULL);
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g_return_val_if_fail (PK_IS_TASK_LIST (tlist), NULL);
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if (item >= tlist->priv->task_list->len) {
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pk_debug ("item too large!");
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return NULL;
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}
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return g_ptr_array_index (tlist->priv->task_list, item);
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}
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/**
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* pk_task_list_transaction_list_changed_cb:
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**/
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static void
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pk_task_list_transaction_list_changed_cb (PkJobList *jlist, PkTaskList *tlist)
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{
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/* for now, just refresh all the jobs. a little inefficient me thinks */
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pk_task_list_refresh (tlist);
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pk_debug ("emit task-list-changed");
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g_signal_emit (tlist , signals [PK_TASK_LIST_CHANGED], 0);
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}
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/**
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* pk_task_list_class_init:
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**/
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static void
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pk_task_list_class_init (PkTaskListClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = pk_task_list_finalize;
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signals [PK_TASK_LIST_CHANGED] =
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g_signal_new ("task-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 (PkTaskListPrivate));
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}
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/**
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* pk_task_list_init:
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**/
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static void
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pk_task_list_init (PkTaskList *tlist)
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{
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tlist->priv = PK_TASK_LIST_GET_PRIVATE (tlist);
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/* get the changing job list */
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tlist->priv->job_list = pk_job_list_new ();
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g_signal_connect (tlist->priv->job_list, "transaction-list-changed",
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G_CALLBACK (pk_task_list_transaction_list_changed_cb), tlist);
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/* we maintain a local copy */
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tlist->priv->task_list = g_ptr_array_new ();
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/* force a refresh so we have valid data*/
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pk_task_list_refresh (tlist);
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}
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/**
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* pk_task_list_finalize:
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**/
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static void
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pk_task_list_finalize (GObject *object)
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{
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guint i;
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PkTaskListItem *item;
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PkTaskList *tlist;
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g_return_if_fail (object != NULL);
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g_return_if_fail (PK_IS_TASK_LIST (object));
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tlist = PK_TASK_LIST (object);
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g_return_if_fail (tlist->priv != NULL);
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/* remove all watches */
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for (i=0; i<tlist->priv->task_list->len; i++) {
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item = g_ptr_array_index (tlist->priv->task_list, i);
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pk_debug ("remove %s", item->tid);
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g_object_unref (item->monitor);
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g_free (item->package_id);
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g_ptr_array_remove (tlist->priv->task_list, item);
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g_free (item);
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}
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g_ptr_array_free (tlist->priv->task_list, TRUE);
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g_object_unref (tlist->priv->job_list);
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G_OBJECT_CLASS (pk_task_list_parent_class)->finalize (object);
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}
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/**
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* pk_task_list_new:
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**/
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PkTaskList *
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pk_task_list_new (void)
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{
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PkTaskList *tlist;
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tlist = g_object_new (PK_TYPE_TASK_LIST, NULL);
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return PK_TASK_LIST (tlist);
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}
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