/** 将当前结点移动至指定位置 */
LCUI_API int LinkedList_MoveTo( LinkedList *list, int pos )
{
LinkedListNode *src_node, *des_node;
des_node = LinkedList_GetNode( list, pos );
if( !des_node ) {
return -1;
}
src_node = list->current_node;
src_node->prev->next = src_node->next;
if( src_node->next ) {
src_node->next->prev = src_node->prev;
}
if( list->current_node_pos < pos ) {
src_node->prev = des_node;
src_node->next = des_node->next;
des_node->next->prev = src_node;
des_node->next = src_node;
}
else if( list->current_node_pos > pos ) {
if( des_node->prev ) {
des_node->prev->next = src_node;
} else {
list->used_head_node = src_node;
}
src_node->prev = des_node->prev;
des_node->prev = src_node;
src_node->next = des_node;
}
return 0;
}
void LinkedList_InsertNode( LinkedList *list, size_t pos, LinkedListNode *node )
{
LinkedListNode *target;
target = LinkedList_GetNode( list, pos );
if( target ) {
LinkedList_Link( list, target->prev, node );
} else {
LinkedList_AppendNode( list, node );
}
}
LCUI_BOOL LCUIWorker_RunTask( LCUI_Worker worker )
{
LCUI_Task task;
LinkedListNode *node;
LCUIMutex_Lock( &worker->mutex );
node = LinkedList_GetNode( &worker->tasks, 0 );
if( node ) {
task = node->data;
LinkedList_Unlink( &worker->tasks, node );
LCUIMutex_Unlock( &worker->mutex );
LCUITask_Run( task );
LCUITask_Destroy( task );
free( task );
free( node );
return TRUE;
}
LCUIMutex_Unlock( &worker->mutex );
return FALSE;
}
void *LinkedList_Get( LinkedList *list, size_t pos )
{
LinkedListNode *node = LinkedList_GetNode( list, pos );
return node ? node->data:NULL;
}
void LinkedList_Delete( LinkedList *list, size_t pos )
{
LinkedListNode *node = LinkedList_GetNode( list, pos );
LinkedList_DeleteNode( list, node );
}
