GEEKING

Android/NativeShell/obb/content/scripts/Modules/LoadingWidget.lua

@@ -0,0 +1,89 @@
+--[[
+			// LoadingWidget.lua
+
+			// Created by Kip Turner
+			// Copyright Roblox 2015
+]]
+
+
+local CoreGui = Game:GetService("CoreGui")
+local GuiRoot = CoreGui:FindFirstChild("RobloxGui")
+local Modules = GuiRoot:FindFirstChild("Modules")
+local GuiService = game:GetService('GuiService')
+
+local Utility = require(Modules:FindFirstChild('Utility'))
+
+
+local function CreateLoadingWidget(properties, loadingFunctions)
+	properties = properties or {}
+	loadingFunctions = loadingFunctions or {}
+
+	local this = {}
+
+	local completedFunctions = {}
+	local cancelled = false
+	local finishedConn = Utility.Signal()
+
+	local loadIcon = Utility.Create'ImageLabel'
+	{
+		Name = "LoadIcon";
+		BackgroundTransparency = 1;
+		Image = 'rbxasset://textures/ui/Shell/Icons/LoadingSpinner@1080.png';
+		Size = properties.Size or UDim2.new(0,99,0,100);
+		ZIndex = properties.ZIndex or 7;
+		Parent = properties.Parent;
+	}
+	Utility.CalculateAnchor(loadIcon, properties.Position or UDim2.new(0.5,0,0.5,0), Utility.Enum.Anchor.Center)
+
+	if properties.Visible == false then
+		loadIcon.Visible = false
+	end
+
+	local function isLoadingComplete()
+		return #completedFunctions == #loadingFunctions
+	end
+
+	function this:AwaitFinished()
+		if isLoadingComplete() then
+			return true
+		end
+		finishedConn:wait()
+		if cancelled then
+			return false
+		end
+		return true
+	end
+
+	function this:Cleanup()
+		loadIcon.Parent = nil
+		loadIcon:Destroy()
+		cancelled = true
+	end
+
+
+	-- Run it!
+	for _, loadingFunction in pairs(loadingFunctions) do
+		spawn(function()
+			loadingFunction()
+			table.insert(completedFunctions, loadingFunction)
+		end)
+	end
+
+	spawn(function()
+		local t = tick()
+		while not (cancelled or isLoadingComplete()) do
+			local now = tick()
+			local rotation = (now - t) * 360
+			if loadIcon.Parent then
+				loadIcon.Rotation = loadIcon.Rotation + rotation
+			end
+			t = now
+			wait()
+		end
+		finishedConn.fire()
+	end)
+
+	return this
+end
+
+return CreateLoadingWidget