sendBarrage method
Implementation
void sendBarrage(List<BarrageItem> items) {
clearCache();
totalBarrageItems.addAll(items);
double maxW = 0;
double totalW = 0;
for (var element in totalBarrageItems) {
maxW = max(maxW, element.itemWidth);
totalW += element.itemWidth;
}
slideWidth = totalW;
value = BarrageItemValue(widgets: totalBarrageItems, slideWidth: slideWidth);
}