New UI (#367)

* Add Flipper

* Remove old UI

* Add boilerplate UI

* Change plugin version

* Merge upstream

* Bunch of new UI changes

Too lazy to list them all in individual commits

* Touch ripple for buttons and a few other things

* Make the close button on the PluginGui work

* Set button state to guiEnabled

* Implement Connecting, NotConnected; add Header; don't update plugin button on render

* Replace mapLerpColor with mapLerp

* Update blendAlpha to be 0 without any values

* Add ActionFillTransparency to Theme.Button

* Suffix all Theme entries

* Update Flipper

* Add disconnect button

* Remove cancel button

* Add settings page

* Add scrollbar and dark theme support to settings

* Include settings in startSession

* Set context default value to nil

I always thought this was the name, lol...

* Add Error page

* Fix preloadAssets

* Fix preloadAssets import

* Update checkbox colors a little

* Add setting descriptions

* Fix scrolling frame in settings panel

* Remove .vscode

* Rename Throbber to Spinner

* Update merge

* Move Spinner images to assets

* Change casing of directories

* Remove old directories

* Add comments to getDerivedStateFromProps

* Account for offset in host TextBox size

* Turn width variables into constants

* Attempt to fix the comments

* Add a missing comma in Settings

* Remove a double space

* Remove Dummy object

* Move most of the Studio logic out of render

* Don't truncate port input

* Replace merge with Dictionary.merge

* Replace "Got it!" with "Okay"

* Add projectName to setStatus call

* Add Flipper to build.rs

plugin/src/App/Page.lua

@@ -0,0 +1,70 @@
+local Rojo = script:FindFirstAncestor("Rojo")
+local Plugin = Rojo.Plugin
+
+local Roact = require(Rojo.Roact)
+local Flipper = require(Rojo.Flipper)
+
+local Dictionary = require(Plugin.Dictionary)
+
+local bindingUtil = require(script.Parent.bindingUtil)
+
+local e = Roact.createElement
+
+local Page = Roact.Component:extend("Page")
+
+function Page:init()
+	self:setState({
+		rendered = self.props.active
+	})
+
+	self.motor = Flipper.SingleMotor.new(self.props.active and 1 or 0)
+	self.binding = bindingUtil.fromMotor(self.motor)
+
+	self.motor:onStep(function(value)
+		local rendered = value > 0
+
+		self:setState(function(state)
+			if state.rendered ~= rendered then
+				return {
+					rendered = rendered,
+				}
+			end
+		end)
+	end)
+end
+
+function Page:render()
+	if not self.state.rendered then
+		return nil
+	end
+
+	local transparency = self.binding:map(function(value)
+		return 1 - value
+	end)
+
+	return e("Frame", {
+		Position = transparency:map(function(value)
+			value = self.props.active and value or -value
+			return UDim2.new(0, value * 30, 0, 0)
+		end),
+		Size = UDim2.new(1, 0, 1, 0),
+		BackgroundTransparency = 1,
+	}, {
+		Component = e(self.props.component, Dictionary.merge(self.props, {
+			transparency = transparency,
+		}))
+	})
+end
+
+function Page:didUpdate(lastProps)
+	if self.props.active ~= lastProps.active then
+		self.motor:setGoal(
+			Flipper.Spring.new(self.props.active and 1 or 0, {
+				frequency = 6,
+				dampingRatio = 1,
+			})
+		)
+	end
+end
+
+return Page