BarrageView = BarrageView or BaseClass(BaseView)
function BarrageView:__init()
	self.base_file = "common"
	self.layout_file = "BarrageView"
	self.layer_name = "Main"
	self.destroy_imm = false
	self.change_scene_close = true
	self.playing_list = {}
	self.item_pool = Array.New()
	self.data_list = Array.New()

	self.open_callback = function()
		self:ResetView()
	end
	self.load_callback = function()
		self:LoadSuccess()
	end
	self.destroy_callback = function ()
		self:Remove()
	end

end

function BarrageView:Remove()
	self.item_pool = {}
end

function BarrageView:ResetView()
	self.data_list = Array.New()
	for k,v in ipairs(self.playing_list) do
		self:RecycleItem(k)
	end
	self.playing_list = {}
end

function BarrageView:LoadSuccess()
	self.transform:SetAsFirstSibling()
	-- self.transform.sizeDelta = Vector2(ScreenWidth,ScreenHeight)
	self.origin_label = self:GetChild("BarrageItem").gameObject
	local fire_num = 0
	for i=1,self.data_list:GetSize() do
		self:AppendNewItem()
	end
end

function BarrageView:AppendNewItem(data)
	data = data or self.data_list:PopFront()
	if not data then
		self:Close()
		return
	end
	if not self.is_loaded or TableSize(self.playing_list) >= BarrageManager:getInstance().max_count_limit then
		self.data_list:PushBack(data) 
	else
		local item
		if #self.item_pool == 0 then
			local function callback(item)
				self:RecycleItem(item)
			end
			item = BarrageItem.New(self.transform, self.origin_label, callback)
		else
			item = self.item_pool:PopFront()
		end
		item.gameObject:SetActive(true)
		item:SetData(data)
		item:Fire()
		self.playing_list[item] = true
	end
end

function BarrageView:RecycleItem(item)
	item:StopRunning()
	item.gameObject:SetActive(false)
	self.item_pool:PushBack(item)
	self.playing_list[item] = nil
end