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/*
* libnotification
*
* Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
*
* Contact: Jeonghoon Park <jh1979.park@samsung.com>, Youngjoo Park <yjoo93.park@samsung.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <stdlib.h>
#include <notification.h>
#include <notification_list.h>
#include <notification_debug.h>
#include <notification_internal.h>
struct _notification_list {
notification_list_h prev;
notification_list_h next;
notification_h noti;
};
notification_list_h _notification_list_create(void)
{
notification_list_h list = NULL;
list = (notification_list_h) malloc(sizeof(struct _notification_list));
if (list == NULL) {
NOTIFICATION_ERR("NO MEMORY");
return NULL;
}
list->prev = NULL;
list->next = NULL;
list->noti = NULL;
return list;
}
EXPORT_API notification_list_h notification_list_get_head(notification_list_h list)
{
notification_list_h cur_list = NULL;
if (list == NULL) {
NOTIFICATION_ERR("INVALID DATA : list == NULL");
return NULL;
}
cur_list = list;
while (cur_list->prev != NULL) {
cur_list = cur_list->prev;
}
return cur_list;
}
EXPORT_API notification_list_h notification_list_get_tail(notification_list_h list)
{
notification_list_h cur_list = NULL;
if (list == NULL) {
NOTIFICATION_ERR("INVALID DATA : list == NULL");
return NULL;
}
cur_list = list;
while (cur_list->next != NULL) {
cur_list = cur_list->next;
}
return cur_list;
}
EXPORT_API notification_list_h notification_list_get_prev(notification_list_h list)
{
notification_list_h cur_list = NULL;
if (list == NULL) {
NOTIFICATION_ERR("INVALID DATA : list == NULL");
return NULL;
}
cur_list = list;
return cur_list->prev;
}
EXPORT_API notification_list_h notification_list_get_next(notification_list_h list)
{
notification_list_h cur_list = NULL;
if (list == NULL) {
NOTIFICATION_ERR("INVALID DATA : list == NULL");
return NULL;
}
cur_list = list;
return cur_list->next;
}
EXPORT_API notification_h notification_list_get_data(notification_list_h list)
{
notification_list_h cur_list = NULL;
if (list == NULL) {
NOTIFICATION_ERR("INVALID DATA : list == NULL");
return NULL;
}
cur_list = list;
return cur_list->noti;
}
EXPORT_API notification_list_h notification_list_append(notification_list_h list,
notification_h noti)
{
notification_list_h new_list = NULL;
notification_list_h cur_list = NULL;
if (noti == NULL) {
NOTIFICATION_ERR("INVALID DATA : data == NULL");
return NULL;
}
if (list != NULL) {
cur_list = notification_list_get_tail(list);
new_list = _notification_list_create();
if (new_list == NULL) {
NOTIFICATION_ERR("NO MEMORY");
return NULL;
}
cur_list->next = new_list;
new_list->prev = cur_list;
new_list->noti = noti;
} else {
cur_list = _notification_list_create();
if (cur_list == NULL) {
NOTIFICATION_ERR("NO MEMORY");
return NULL;
}
new_list = cur_list;
new_list->noti = noti;
}
return new_list;
}
EXPORT_API notification_list_h notification_list_remove(notification_list_h list,
notification_h noti)
{
notification_list_h cur_list = NULL;
notification_list_h prev_list = NULL;
notification_list_h next_list = NULL;
cur_list = notification_list_get_head(list);
while (cur_list != NULL) {
if (cur_list->noti == noti) {
//remove
prev_list = cur_list->prev;
next_list = cur_list->next;
if (next_list != NULL) {
if (prev_list != NULL) {
prev_list->next = next_list;
next_list->prev = prev_list;
} else {
next_list->prev = NULL;
}
} else {
if (prev_list != NULL) {
prev_list->next = NULL;
}
}
free(cur_list);
break;
}
cur_list = cur_list->next;
}
if (prev_list != NULL) {
return notification_list_get_head(prev_list);
} else if (next_list != NULL) {
return next_list;
}
return NULL;
}
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