LCUI_API int GraphLayer_Sort( LCUI_GraphLayer *glayer )
{
LCUI_GraphLayer *child_a, *child_b;
int i, j, total;
if( !glayer ) {
return -1;
}
/* 排序前先锁上队列互斥锁 */
Queue_Lock( &glayer->child );
total = Queue_GetTotal( &glayer->child );
/* 使用的是冒泡排序法 */
for(j=0; j<total; ++j)
for(i=total-1; i>=1; --i) {
child_a = (LCUI_GraphLayer*)Queue_Get( &glayer->child, i );
if( !child_a ) {
continue;
}
child_b = (LCUI_GraphLayer*)Queue_Get( &glayer->child, i-1 );
if( !child_b ) {
continue;
}
if( child_a->z_index > child_b->z_index ) {
Queue_Move( &glayer->child, i-1, i);
}
}
/* 解开互斥锁 */
Queue_Unlock( &glayer->child );
return 0;
}
/** 更新定时器在定时器列表中的位置 */
static void TimerList_UpdateTimerPos( LCUI_Queue *timer_list,
timer_data *p_timer )
{
int n, src_i=-1, des_i=-1;
int64_t time_left, tmp_time_left;
timer_data *p_tmp_timer;
/* 计算该定时器的剩余定时时长 */
time_left = LCUI_GetTicks( p_timer->start_time );
time_left -= p_timer->pause_ms;
time_left = p_timer->total_ms - time_left;
/* 锁上定时器列表 */
Queue_Lock( &global_timer_list );
n = Queue_GetTotal( &global_timer_list );
while(n--) {
p_tmp_timer = (timer_data*)Queue_Get( &global_timer_list, n );
if( !p_tmp_timer ) {
continue;
}
/* 若找到自己的位置，则记录 */
if( p_tmp_timer->id == p_timer->id ) {
src_i = n;
/* 如果已经找到目标位置，则退出循环 */
if( des_i != -1 ) {
break;
}
continue;
}
tmp_time_left = LCUI_GetTicks( p_tmp_timer->start_time );
tmp_time_left -= p_tmp_timer->pause_ms;
tmp_time_left = p_tmp_timer->total_ms - tmp_time_left;
/* 若该定时器的剩余定时时长不大于当前定时器，则记录 */
if( des_i == -1 && time_left >= tmp_time_left ) {
DEBUG_MSG("src timer: %d, pos: %d, , cur_ms: %I64dms, des timer: %d, pos: %d, cur_ms: %I64dms\n",
p_timer->id, src_i, LCUI_GetTicks(p_timer->start_time),
p_tmp_timer->id, des_i, LCUI_GetTicks(p_tmp_timer->start_time) );
des_i = n;
/* 如果已经找到源位置，则退出循环 */
if( src_i != -1 ) {
break;
}
}
}
/* 若目标位置无效，则将末尾作为目标位置 */
if( des_i == -1 ) {
DEBUG_MSG("tip\n");
des_i = Queue_GetTotal( &global_timer_list )-1;
}
/* 若源位置和目标位置有效，则开始移动 */
if( src_i != -1 ) {
DEBUG_MSG("src: %d, des: %d\n", src_i, des_i );
Queue_Move( &global_timer_list, des_i, src_i );
}
Queue_Unlock( &global_timer_list );
}
LCUI_API int GraphLayer_Front( LCUI_GraphLayer *glayer )
{
int i, total, src_pos = -1, des_pos = -1;
LCUI_GraphLayer *tmp_child;
LCUI_Queue *child_list;
if( !glayer || !glayer->parent ) {
return -1;
}
child_list = &glayer->parent->child;
total = Queue_GetTotal( child_list );
/* 先在队列中找到自己，以及z-index值小于或等于它的第一个图层 */
for(i=0,src_pos=des_pos=-1; i<total; ++i) {
tmp_child = (LCUI_GraphLayer*)Queue_Get( child_list, i );
if( !tmp_child ) {
continue;
}
if( tmp_child == glayer ) {
src_pos = i;
continue;
}
if( des_pos == -1 ) {
/* 如果该位置的图层的z-index值不大于自己 */
if( tmp_child->z_index <= glayer->z_index ) {
/* 如果未找到自己的源位置 */
if( src_pos == -1 ) {
des_pos = i;
continue;
}
/* 否则，退出循环，因为已经在前排了 */
break;
}
} else {
if( src_pos != -1 ) {
break;
}
}
}
/* 没有找到就退出 */
if( des_pos == -1 || src_pos == -1 ) {
return -2;
}
/* 找到的话就移动位置 */
Queue_Move( child_list, des_pos, src_pos );
return 0;
}
