local H=require((game:GetService("\082\101\112\108\105\099\097\116\101\100\083\116\111\114\097\103\101")):WaitForChild("\078\101\118\101\114\109\111\114\101"))local A=H("\077\097\105\100")local Q=H("\083\067\082\079\076\076\095\084\089\080\069")local u=H("\083\105\103\110\097\108")local T=H("\084\097\098\108\101")local V={}V.ClassName="\083\099\114\111\108\108\098\097\114"V.__index=V function V.new(H)local T=setmetatable({},V)T.Gui=H or error("\078\111 \103\117\105")T.DraggingBegan=u.new()T._maid=A.new()T._container=T.Gui.Parent or error("\078\111 \099\111\110\116\097\105\110\101\114")T._scrollType=Q.Vertical return T end function V.fromContainer(H,A)local Q=Instance.new("\073\109\097\103\101\066\117\116\116\111\110")Q.Size=UDim2.new(1,0,1,0)Q.Name="\083\099\114\111\108\108\066\097\114"Q.BackgroundColor3=Color3.new(.8,.8,.8)Q.BorderSizePixel=0 Q.Image=""Q.Parent=H Q.AutoButtonColor=false Q.ZIndex=H.ZIndex Q.Parent=H return V.new(Q)end function V.SetScrollType(A,H)assert(T.Contains(Q,H))A._scrollType=H end function V.SetScrollingFrame(A,H)A._scrollingFrame=H or error("\078\111 \115\099\114\111\108\108\105\110\103\070\114\097\109\101")A._model=A._scrollingFrame:GetModel()A._maid:GiveTask(A.Gui.InputBegan:Connect(function(H)if H.UserInputType==Enum.UserInputType.MouseButton1 then A._maid._updateMaid=A._scrollingFrame:StartScrollbarScrolling(A._container,H)end end))A:UpdateRender()end function V.UpdateRender(H)if H._model.TotalContentLength>H._model.ViewSize then local A=H._model.RenderedContentScrollPercentSize local u=(1-A)*H._model.RenderedContentScrollPercent if H._scrollType==Q.Vertical then H.Gui.Size=UDim2.new(H.Gui.Size.X,UDim.new(A,0))H.Gui.Position=UDim2.new(H.Gui.Position.X,UDim.new(u,0))elseif H._scrollType==Q.Horizontal then H.Gui.Size=UDim2.new(UDim.new(A,0),H.Gui.Size.Y)H.Gui.Position=UDim2.new(UDim.new(u,0),H.Gui.Position.Y)else error("\091\083\099\114\111\108\108\098\097\114\093 - \066\097\100 \083\099\114\111\108\108\084\121\112\101")end H.Gui.Visible=true else H.Gui.Visible=false end end function V.Destroy(H)H._maid:DoCleaning()H._maid=nil setmetatable(H,nil)end return V
---
-- @classmod Scrollbar

local require = require(game:GetService("ReplicatedStorage"):WaitForChild("Nevermore"))

local Maid = require("Maid")
local SCROLL_TYPE = require("SCROLL_TYPE")
local Signal = require("Signal")
local Table = require("Table")

local Scrollbar = {}
Scrollbar.ClassName = "Scrollbar"
Scrollbar.__index = Scrollbar

function Scrollbar.new(gui)
	local self = setmetatable({}, Scrollbar)

	self.Gui = gui or error("No gui")
	self.DraggingBegan = Signal.new()

	self._maid = Maid.new()
	self._container = self.Gui.Parent or error("No container")
	self._scrollType = SCROLL_TYPE.Vertical

	return self
end

function Scrollbar.fromContainer(container, scrollType)
	local gui = Instance.new("ImageButton")
	gui.Size = UDim2.new(1, 0, 1, 0)
	gui.Name = "ScrollBar"
	gui.BackgroundColor3 = Color3.new(0.8, 0.8, 0.8)
	gui.BorderSizePixel = 0
	gui.Image = ""
	gui.Parent = container
	gui.AutoButtonColor = false
	gui.ZIndex = container.ZIndex
	gui.Parent = container

	return Scrollbar.new(gui)
end

function Scrollbar:SetScrollType(scrollType)
	assert(Table.Contains(SCROLL_TYPE, scrollType))
	self._scrollType = scrollType
end

function Scrollbar:SetScrollingFrame(scrollingFrame)
	self._scrollingFrame = scrollingFrame or error("No scrollingFrame")
	self._model = self._scrollingFrame:GetModel()

	self._maid:GiveTask(self.Gui.InputBegan:Connect(function(inputObject)
		if inputObject.UserInputType == Enum.UserInputType.MouseButton1 then
			self._maid._updateMaid = self._scrollingFrame:StartScrollbarScrolling(self._container, inputObject)
		end
	end))

	self:UpdateRender()
end

function Scrollbar:UpdateRender()
	if self._model.TotalContentLength > self._model.ViewSize then
		local percentSize = self._model.RenderedContentScrollPercentSize
		local pos = (1-percentSize) * self._model.RenderedContentScrollPercent

		if self._scrollType == SCROLL_TYPE.Vertical then
			self.Gui.Size = UDim2.new(self.Gui.Size.X, UDim.new(percentSize, 0))
			self.Gui.Position = UDim2.new(self.Gui.Position.X, UDim.new(pos, 0))
		elseif self._scrollType == SCROLL_TYPE.Horizontal then
			self.Gui.Size = UDim2.new(UDim.new(percentSize, 0), self.Gui.Size.Y)
			self.Gui.Position = UDim2.new(UDim.new(pos, 0), self.Gui.Position.Y)
		else
			error("[Scrollbar] - Bad ScrollType")
		end

		self.Gui.Visible = true
	else
		self.Gui.Visible = false
	end
end

function Scrollbar:Destroy()
	self._maid:DoCleaning()
	self._maid = nil
	setmetatable(self, nil)
end

return Scrollbar