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935 lines
25 KiB
Go
935 lines
25 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"bytes"
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"fmt"
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"image"
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"image/color"
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"strings"
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"time"
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"gioui.org/f32"
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"gioui.org/font/opentype"
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"gioui.org/io/pointer"
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"gioui.org/io/system"
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"gioui.org/layout"
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"gioui.org/op"
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"gioui.org/op/clip"
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"gioui.org/op/paint"
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"gioui.org/text"
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"gioui.org/unit"
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"gioui.org/widget"
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"gioui.org/widget/material"
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"golang.org/x/exp/shiny/materialdesign/icons"
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"tailscale.com/control/controlclient"
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"tailscale.com/ipn"
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"tailscale.com/tailcfg"
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"eliasnaur.com/font/roboto/robotoregular"
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_ "image/png"
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)
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type UI struct {
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theme *material.Theme
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store *stateStore
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// root is the scrollable list of the main UI.
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root layout.List
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// enabled is the switch for enabling or disabling the VPN.
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enabled widget.Bool
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search widget.Editor
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// webSigin is the button for the web-based sign-in flow.
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webSignin widget.Clickable
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// googleSignin is the button for native Google Sign-in
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googleSignin widget.Clickable
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signinType signinType
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self widget.Clickable
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peers []widget.Clickable
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intro struct {
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list layout.List
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start widget.Clickable
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show bool
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}
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menu struct {
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open widget.Clickable
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dismiss Dismiss
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show bool
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copy widget.Clickable
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reauth widget.Clickable
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logout widget.Clickable
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}
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// The current pop-up message, if any
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message struct {
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text string
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// t0 is the time when the most recent message appeared.
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t0 time.Time
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}
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icons struct {
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search *widget.Icon
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more *widget.Icon
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logo paint.ImageOp
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google paint.ImageOp
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}
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events []UIEvent
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}
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type signinType uint8
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// An UIPeer is either a peer or a section header
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// with the user information.
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type UIPeer struct {
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// Owner of the peer.
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Owner tailcfg.UserID
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// Name is the owner's name in all caps (for section headers).
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Name string
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// Peer is nil for section headers.
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Peer *tailcfg.Node
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}
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const (
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headerColor = 0x496495
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infoColor = 0x3a517b
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white = 0xffffff
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)
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const (
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keyShowIntro = "ui.showintro"
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)
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const (
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noSignin signinType = iota
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webSignin
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googleSignin
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)
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type (
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C = layout.Context
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D = layout.Dimensions
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)
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func newUI(store *stateStore) (*UI, error) {
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searchIcon, err := widget.NewIcon(icons.ActionSearch)
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if err != nil {
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return nil, err
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}
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moreIcon, err := widget.NewIcon(icons.NavigationMoreVert)
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if err != nil {
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return nil, err
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}
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logoData, err := tailscalePngBytes()
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if err != nil {
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return nil, err
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}
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logo, _, err := image.Decode(bytes.NewReader(logoData))
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if err != nil {
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return nil, err
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}
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googleData, err := googlePngBytes()
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if err != nil {
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return nil, err
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}
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google, _, err := image.Decode(bytes.NewReader(googleData))
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if err != nil {
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return nil, err
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}
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face, err := opentype.Parse(robotoregular.TTF)
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if err != nil {
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panic(fmt.Sprintf("failed to parse font: %v", err))
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}
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fonts := []text.FontFace{{Font: text.Font{Typeface: "Roboto"}, Face: face}}
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ui := &UI{
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theme: material.NewTheme(fonts),
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store: store,
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}
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ui.intro.show, _ = store.ReadBool(keyShowIntro, true)
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ui.icons.search = searchIcon
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ui.icons.more = moreIcon
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ui.icons.logo = paint.NewImageOp(logo)
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ui.icons.google = paint.NewImageOp(google)
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ui.icons.more.Color = rgb(white)
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ui.icons.search.Color = mulAlpha(ui.theme.Palette.Fg, 0xbb)
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ui.root.Axis = layout.Vertical
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ui.intro.list.Axis = layout.Vertical
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ui.search.SingleLine = true
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return ui, nil
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}
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func mulAlpha(c color.NRGBA, alpha uint8) color.NRGBA {
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c.A = uint8(uint32(c.A) * uint32(alpha) / 0xff)
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return c
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}
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func (ui *UI) onBack() bool {
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if !ui.menu.show {
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return false
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}
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ui.menu.show = false
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return true
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}
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func (ui *UI) layout(gtx layout.Context, sysIns system.Insets, state *clientState) []UIEvent {
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ui.events = nil
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if ui.enabled.Changed() {
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ui.events = append(ui.events, ConnectEvent{Enable: ui.enabled.Value})
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}
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for _, e := range ui.search.Events() {
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if _, ok := e.(widget.ChangeEvent); ok {
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ui.events = append(ui.events, SearchEvent{Query: ui.search.Text()})
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break
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}
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}
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for ui.menu.open.Clicked() {
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ui.menu.show = !ui.menu.show
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}
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netmap := state.backend.NetworkMap
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var localName, localAddr string
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var expiry time.Time
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if netmap != nil {
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expiry = netmap.Expiry
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localName = netmap.SelfNode.DisplayName(false)
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if addrs := netmap.Addresses; len(addrs) > 0 {
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localAddr = addrs[0].IP.String()
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}
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}
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if ui.googleSignin.Clicked() {
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ui.signinType = googleSignin
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ui.events = append(ui.events, GoogleAuthEvent{})
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}
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if ui.webSignin.Clicked() {
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ui.signinType = webSignin
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ui.events = append(ui.events, WebAuthEvent{})
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}
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if ui.menuClicked(&ui.menu.copy) && localAddr != "" {
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ui.copyAddress(gtx, localAddr)
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}
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if ui.menuClicked(&ui.menu.reauth) {
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ui.events = append(ui.events, ReauthEvent{})
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}
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if ui.menuClicked(&ui.menu.logout) {
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ui.events = append(ui.events, LogoutEvent{})
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}
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for len(ui.peers) < len(state.Peers) {
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ui.peers = append(ui.peers, widget.Clickable{})
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}
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if max := len(state.Peers); len(ui.peers) > max {
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ui.peers = ui.peers[:max]
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}
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const numHeaders = 5
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n := numHeaders + len(state.Peers)
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needsLogin := state.backend.State == ipn.NeedsLogin
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ui.root.Layout(gtx, n, func(gtx C, idx int) D {
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var in layout.Inset
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if idx == n-1 {
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// The last list element includes the bottom system
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// inset.
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in.Bottom = sysIns.Bottom
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}
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return in.Layout(gtx, func(gtx C) D {
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switch idx {
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case 0:
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return ui.layoutTop(gtx, sysIns, &state.backend)
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case 1:
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if netmap == nil || state.backend.State < ipn.Stopped {
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return D{}
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}
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return ui.layoutLocal(gtx, sysIns, localName, localAddr)
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case 2:
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if state.backend.State < ipn.Stopped {
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return D{}
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}
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return ui.layoutSearchbar(gtx, sysIns)
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case 3:
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if !needsLogin || state.backend.LostInternet {
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return D{}
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}
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return ui.layoutSignIn(gtx, &state.backend)
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case 4:
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if !state.backend.LostInternet {
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return D{}
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}
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return ui.layoutDisconnected(gtx)
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default:
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if needsLogin {
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return D{}
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}
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pidx := idx - numHeaders
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p := &state.Peers[pidx]
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if p.Peer == nil {
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name := p.Name
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if p.Owner == netmap.User {
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name = "MY DEVICES"
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}
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return ui.layoutSection(gtx, sysIns, name)
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} else {
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clk := &ui.peers[pidx]
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return ui.layoutPeer(gtx, sysIns, p, netmap, clk)
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}
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}
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})
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})
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// Popup messages.
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ui.layoutMessage(gtx, sysIns)
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// 3-dots menu.
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if ui.menu.show {
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ui.layoutMenu(gtx, sysIns, expiry)
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}
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// "Get started".
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if ui.intro.show {
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if ui.intro.start.Clicked() {
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ui.store.WriteBool(keyShowIntro, false)
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ui.intro.show = false
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}
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ui.layoutIntro(gtx, sysIns)
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}
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return ui.events
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}
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func (ui *UI) ShowMessage(msg string) {
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ui.message.text = msg
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ui.message.t0 = time.Now()
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}
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// Dismiss is a widget that detects pointer presses.
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type Dismiss struct {
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}
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func (d *Dismiss) Add(gtx layout.Context) {
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defer op.Push(gtx.Ops).Pop()
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pointer.Rect(image.Rectangle{Max: gtx.Constraints.Min}).Add(gtx.Ops)
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pointer.InputOp{Tag: d, Types: pointer.Press}.Add(gtx.Ops)
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}
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func (d *Dismiss) Dismissed(gtx layout.Context) bool {
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for _, e := range gtx.Events(d) {
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if e, ok := e.(pointer.Event); ok {
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if e.Type == pointer.Press {
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return true
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}
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}
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}
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return false
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}
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// layoutSignIn lays out the sign in button(s).
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func (ui *UI) layoutSignIn(gtx layout.Context, state *BackendState) layout.Dimensions {
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return layout.Inset{Top: unit.Dp(48), Left: unit.Dp(48), Right: unit.Dp(48)}.Layout(gtx, func(gtx C) D {
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const (
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textColor = 0x555555
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)
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border := widget.Border{Color: rgb(textColor), CornerRadius: unit.Dp(4), Width: unit.Px(1)}
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return layout.Flex{Axis: layout.Vertical, Alignment: layout.Middle}.Layout(gtx,
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layout.Rigid(func(gtx C) D {
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if !googleSignInEnabled() {
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return D{}
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}
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return layout.Inset{Bottom: unit.Dp(16)}.Layout(gtx, func(gtx C) D {
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signin := material.ButtonLayout(ui.theme, &ui.googleSignin)
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signin.Background = color.NRGBA{} // transparent
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return ui.withLoader(gtx, ui.signinType == googleSignin, func(gtx C) D {
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return border.Layout(gtx, func(gtx C) D {
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if ui.signinType != noSignin {
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gtx.Queue = nil
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}
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return signin.Layout(gtx, func(gtx C) D {
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gtx.Constraints.Max.Y = gtx.Px(unit.Dp(48))
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return layout.Flex{Alignment: layout.Middle}.Layout(gtx,
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layout.Rigid(func(gtx C) D {
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return layout.Inset{Right: unit.Dp(4)}.Layout(gtx, func(gtx C) D {
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return drawImage(gtx, ui.icons.google, unit.Dp(16))
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})
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}),
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layout.Rigid(func(gtx C) D {
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return layout.Inset{Top: unit.Dp(10), Bottom: unit.Dp(10)}.Layout(gtx, func(gtx C) D {
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l := material.Body2(ui.theme, "Sign in with Google")
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l.Color = rgb(textColor)
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return l.Layout(gtx)
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})
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}),
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)
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})
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})
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})
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})
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}),
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layout.Rigid(func(gtx C) D {
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label := "Sign in with other"
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if !googleSignInEnabled() {
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label = "Sign in"
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}
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return ui.withLoader(gtx, ui.signinType == webSignin, func(gtx C) D {
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return border.Layout(gtx, func(gtx C) D {
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if ui.signinType != noSignin {
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gtx.Queue = nil
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}
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signin := material.Button(ui.theme, &ui.webSignin, label)
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signin.Background = color.NRGBA{} // transparent
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signin.Color = rgb(textColor)
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return signin.Layout(gtx)
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})
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})
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}),
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)
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})
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}
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func (ui *UI) withLoader(gtx layout.Context, loading bool, w layout.Widget) layout.Dimensions {
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cons := gtx.Constraints
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return layout.Stack{Alignment: layout.W}.Layout(gtx,
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layout.Stacked(func(gtx C) D {
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gtx.Constraints = cons
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return w(gtx)
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}),
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layout.Stacked(func(gtx C) D {
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if !loading {
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return D{}
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}
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return layout.Inset{Left: unit.Dp(16)}.Layout(gtx, func(gtx C) D {
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gtx.Constraints.Min = image.Point{
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X: gtx.Px(unit.Dp(16)),
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}
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return material.Loader(ui.theme).Layout(gtx)
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})
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}),
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)
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}
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// layoutDisconnected lays out the "please connect to the internet"
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// message.
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func (ui *UI) layoutDisconnected(gtx layout.Context) layout.Dimensions {
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return layout.UniformInset(unit.Dp(16)).Layout(gtx, func(gtx C) D {
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return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
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layout.Rigid(func(gtx C) D {
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return layout.Inset{Top: unit.Dp(8)}.Layout(gtx, func(gtx C) D {
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title := material.H6(ui.theme, "No internet connection")
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title.Alignment = text.Middle
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return title.Layout(gtx)
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})
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}),
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layout.Rigid(func(gtx C) D {
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return layout.Inset{Top: unit.Dp(8)}.Layout(gtx, func(gtx C) D {
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msg := material.Body2(ui.theme, "Tailscale is paused while your device is offline. Please reconnect to the internet.")
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msg.Alignment = text.Middle
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return msg.Layout(gtx)
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})
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}),
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)
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})
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}
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// layoutIntro lays out the intro page with the logo and terms.
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func (ui *UI) layoutIntro(gtx layout.Context, sysIns system.Insets) {
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fill{rgb(0x232323)}.Layout(gtx, gtx.Constraints.Max)
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ui.intro.list.Layout(gtx, 1, func(gtx C, idx int) D {
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return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
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// 9 dot logo.
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layout.Rigid(func(gtx C) D {
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return layout.Inset{Top: unit.Dp(80), Bottom: unit.Dp(48)}.Layout(gtx, func(gtx C) D {
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return layout.N.Layout(gtx, func(gtx C) D {
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sz := gtx.Px(unit.Dp(72))
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drawLogo(gtx.Ops, sz)
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return layout.Dimensions{Size: image.Pt(sz, sz)}
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})
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})
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}),
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// "tailscale".
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layout.Rigid(func(gtx C) D {
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return layout.N.Layout(gtx, func(gtx C) D {
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return drawImage(gtx, ui.icons.logo, unit.Dp(200))
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})
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}),
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// Terms.
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layout.Rigid(func(gtx C) D {
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return layout.Inset{
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Top: unit.Dp(48),
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Left: unit.Dp(32),
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Right: unit.Dp(32),
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}.Layout(gtx, func(gtx C) D {
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terms := material.Body2(ui.theme, termsText)
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terms.Color = rgb(0xbfbfbf)
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terms.Alignment = text.Middle
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return terms.Layout(gtx)
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})
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}),
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// "Get started".
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layout.Rigid(func(gtx C) D {
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return layout.Inset{
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Top: unit.Dp(16),
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Left: unit.Dp(16),
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Right: unit.Dp(16),
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Bottom: unit.Add(gtx.Metric, sysIns.Bottom),
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}.Layout(gtx, func(gtx C) D {
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start := material.Button(ui.theme, &ui.intro.start, "Get Started")
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start.Inset = layout.UniformInset(unit.Dp(16))
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start.CornerRadius = unit.Dp(16)
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start.Background = rgb(0x496495)
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start.TextSize = unit.Sp(20)
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return start.Layout(gtx)
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})
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}),
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)
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})
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}
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// menuClicked is like btn.Clicked, but also closes the menu if true.
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func (ui *UI) menuClicked(btn *widget.Clickable) bool {
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cl := btn.Clicked()
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if cl {
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ui.menu.show = false
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}
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return cl
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}
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// layoutMenu lays out the menu activated by the 3 dots button.
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func (ui *UI) layoutMenu(gtx layout.Context, sysIns system.Insets, expiry time.Time) {
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ui.menu.dismiss.Add(gtx)
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if ui.menu.dismiss.Dismissed(gtx) {
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ui.menu.show = false
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}
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layout.Inset{
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Top: unit.Add(gtx.Metric, sysIns.Top, unit.Dp(2)),
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Right: unit.Add(gtx.Metric, sysIns.Right, unit.Dp(2)),
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}.Layout(gtx, func(gtx C) D {
|
|
return layout.NE.Layout(gtx, func(gtx C) D {
|
|
return widget.Border{Color: argb(0x33000000), CornerRadius: unit.Dp(2), Width: unit.Px(1)}.Layout(gtx, func(gtx C) D {
|
|
return Background{Color: rgb(0xfafafa), CornerRadius: unit.Dp(2)}.Layout(gtx, func(gtx C) D {
|
|
menu := &ui.menu
|
|
items := []struct {
|
|
btn *widget.Clickable
|
|
title string
|
|
}{
|
|
{title: "Copy My IP Address", btn: &menu.copy},
|
|
{title: "Reauthenticate", btn: &menu.reauth},
|
|
{title: "Log out", btn: &menu.logout},
|
|
}
|
|
// Lay out menu items twice; once for
|
|
// measuring the widest item, once for actual layout.
|
|
var maxWidth int
|
|
var minWidth int
|
|
children := []layout.FlexChild{
|
|
layout.Rigid(func(gtx C) D {
|
|
return layout.Inset{
|
|
Top: unit.Dp(16),
|
|
Right: unit.Dp(16),
|
|
Left: unit.Dp(16),
|
|
Bottom: unit.Dp(4),
|
|
}.Layout(gtx, func(gtx C) D {
|
|
gtx.Constraints.Min.X = minWidth
|
|
var expiryStr string
|
|
const fmtStr = time.Stamp
|
|
switch {
|
|
case expiry.IsZero():
|
|
expiryStr = "Expires: (never)"
|
|
case time.Now().After(expiry):
|
|
expiryStr = fmt.Sprintf("Expired: %s", expiry.Format(fmtStr))
|
|
default:
|
|
expiryStr = fmt.Sprintf("Expires: %s", expiry.Format(fmtStr))
|
|
}
|
|
l := material.Caption(ui.theme, expiryStr)
|
|
l.Color = rgb(0x8f8f8f)
|
|
dims := l.Layout(gtx)
|
|
if w := dims.Size.X; w > maxWidth {
|
|
maxWidth = w
|
|
}
|
|
return dims
|
|
})
|
|
}),
|
|
}
|
|
for i := 0; i < len(items); i++ {
|
|
it := &items[i]
|
|
children = append(children, layout.Rigid(func(gtx C) D {
|
|
return material.Clickable(gtx, it.btn, func(gtx C) D {
|
|
return layout.UniformInset(unit.Dp(16)).Layout(gtx, func(gtx C) D {
|
|
gtx.Constraints.Min.X = minWidth
|
|
dims := material.Body1(ui.theme, it.title).Layout(gtx)
|
|
if w := dims.Size.X; w > maxWidth {
|
|
maxWidth = w
|
|
}
|
|
return dims
|
|
})
|
|
})
|
|
}))
|
|
}
|
|
f := layout.Flex{Axis: layout.Vertical}
|
|
// First pass: record and discard operations
|
|
// and determine widest item.
|
|
m := op.Record(gtx.Ops)
|
|
f.Layout(gtx, children...)
|
|
m.Stop()
|
|
// Second pass: layout items with equal width.
|
|
minWidth = maxWidth
|
|
return f.Layout(gtx, children...)
|
|
})
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
func (ui *UI) layoutMessage(gtx layout.Context, sysIns system.Insets) layout.Dimensions {
|
|
s := ui.message.text
|
|
if s == "" {
|
|
return D{}
|
|
}
|
|
now := gtx.Now
|
|
d := now.Sub(ui.message.t0)
|
|
rem := 4*time.Second - d
|
|
if rem < 0 {
|
|
return D{}
|
|
}
|
|
op.InvalidateOp{At: now.Add(rem)}.Add(gtx.Ops)
|
|
return layout.S.Layout(gtx, func(gtx C) D {
|
|
return layout.Inset{Bottom: unit.Add(gtx.Metric, sysIns.Bottom, unit.Dp(8))}.Layout(gtx, func(gtx C) D {
|
|
return Background{Color: rgb(0x323232), CornerRadius: unit.Dp(5)}.Layout(gtx, func(gtx C) D {
|
|
return layout.UniformInset(unit.Dp(12)).Layout(gtx, func(gtx C) D {
|
|
l := material.Body2(ui.theme, s)
|
|
l.Color = rgb(0xdddddd)
|
|
return l.Layout(gtx)
|
|
})
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
func (ui *UI) showMessage(gtx layout.Context, msg string) {
|
|
ui.message.text = msg
|
|
ui.message.t0 = gtx.Now
|
|
op.InvalidateOp{}.Add(gtx.Ops)
|
|
}
|
|
|
|
// layoutPeer lays out a peer name and IP address (e.g.
|
|
// "localhost\n100.100.100.101")
|
|
func (ui *UI) layoutPeer(gtx layout.Context, sysIns system.Insets, p *UIPeer, netmap *controlclient.NetworkMap, clk *widget.Clickable) layout.Dimensions {
|
|
for clk.Clicked() {
|
|
if addrs := p.Peer.Addresses; len(addrs) > 0 {
|
|
ui.copyAddress(gtx, addrs[0].IP.String())
|
|
}
|
|
}
|
|
return material.Clickable(gtx, clk, func(gtx C) D {
|
|
return layout.Inset{
|
|
Top: unit.Dp(8),
|
|
Right: unit.Max(gtx.Metric, sysIns.Right, unit.Dp(16)),
|
|
Left: unit.Max(gtx.Metric, sysIns.Left, unit.Dp(16)),
|
|
Bottom: unit.Dp(8),
|
|
}.Layout(gtx, func(gtx C) D {
|
|
gtx.Constraints.Min.X = gtx.Constraints.Max.X
|
|
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
|
|
layout.Rigid(func(gtx C) D {
|
|
return layout.Inset{Bottom: unit.Dp(4)}.Layout(gtx, func(gtx C) D {
|
|
name := p.Peer.DisplayName(p.Peer.User == netmap.User)
|
|
return material.H6(ui.theme, name).Layout(gtx)
|
|
})
|
|
}),
|
|
layout.Rigid(func(gtx C) D {
|
|
var addrs []string
|
|
for _, addr := range p.Peer.Addresses {
|
|
if addr.IP.Is6() {
|
|
// Don't surface IPv6 addresses.
|
|
continue
|
|
}
|
|
addrs = append(addrs, addr.IP.String())
|
|
}
|
|
l := material.Body2(ui.theme, strings.Join(addrs, ","))
|
|
l.Color = rgb(0x434343)
|
|
return l.Layout(gtx)
|
|
}),
|
|
)
|
|
})
|
|
})
|
|
}
|
|
|
|
// layoutSection lays out a section title (e.g. "My devices").
|
|
func (ui *UI) layoutSection(gtx layout.Context, sysIns system.Insets, title string) layout.Dimensions {
|
|
return Background{Color: rgb(0xe1e0e9)}.Layout(gtx, func(gtx C) D {
|
|
return layout.Inset{
|
|
Top: unit.Dp(16),
|
|
Right: unit.Max(gtx.Metric, sysIns.Right, unit.Dp(16)),
|
|
Left: unit.Max(gtx.Metric, sysIns.Left, unit.Dp(16)),
|
|
Bottom: unit.Dp(16),
|
|
}.Layout(gtx, func(gtx C) D {
|
|
l := material.Body1(ui.theme, title)
|
|
l.Color = rgb(0x6f797d)
|
|
return l.Layout(gtx)
|
|
})
|
|
})
|
|
}
|
|
|
|
// layoutTop lays out the top controls: toggle, status and menu dots.
|
|
func (ui *UI) layoutTop(gtx layout.Context, sysIns system.Insets, state *BackendState) layout.Dimensions {
|
|
in := layout.Inset{
|
|
Top: unit.Dp(16),
|
|
Bottom: unit.Dp(16),
|
|
}
|
|
return Background{Color: rgb(headerColor)}.Layout(gtx, func(gtx C) D {
|
|
return layout.Inset{
|
|
Top: sysIns.Top,
|
|
Right: unit.Max(gtx.Metric, sysIns.Right, unit.Dp(8)),
|
|
Left: unit.Max(gtx.Metric, sysIns.Left, unit.Dp(16)),
|
|
}.Layout(gtx, func(gtx C) D {
|
|
return layout.Flex{Alignment: layout.Middle}.Layout(gtx,
|
|
layout.Rigid(func(gtx C) D {
|
|
return in.Layout(gtx, func(gtx C) D {
|
|
if state.State <= ipn.NeedsLogin {
|
|
return D{}
|
|
}
|
|
sw := material.Switch(ui.theme, &ui.enabled)
|
|
sw.Color.Enabled = rgb(white)
|
|
if state.State < ipn.Stopped {
|
|
sw.Color.Enabled = rgb(0xbbbbbb)
|
|
sw.Color.Disabled = rgb(0xbbbbbb)
|
|
}
|
|
return sw.Layout(gtx)
|
|
})
|
|
}),
|
|
layout.Flexed(1, func(gtx C) D {
|
|
return in.Layout(gtx, func(gtx C) D {
|
|
return layout.Inset{Left: unit.Dp(16)}.Layout(gtx, func(gtx C) D {
|
|
lbl := material.Body1(ui.theme, statusString(state.State))
|
|
lbl.Color = rgb(0xffffff)
|
|
return lbl.Layout(gtx)
|
|
})
|
|
})
|
|
}),
|
|
layout.Rigid(func(gtx C) D {
|
|
if state.State <= ipn.NeedsLogin {
|
|
return D{}
|
|
}
|
|
return material.Clickable(gtx, &ui.menu.open, func(gtx C) D {
|
|
return layout.UniformInset(unit.Dp(8)).Layout(gtx, func(gtx C) D {
|
|
return ui.icons.more.Layout(gtx, unit.Dp(24))
|
|
})
|
|
})
|
|
}),
|
|
)
|
|
})
|
|
})
|
|
}
|
|
|
|
func statusString(state ipn.State) string {
|
|
switch state {
|
|
case ipn.Stopped:
|
|
return "Stopped"
|
|
case ipn.Starting:
|
|
return "Starting..."
|
|
case ipn.Running:
|
|
return "Active"
|
|
case ipn.NeedsMachineAuth:
|
|
return "Awaiting Approval"
|
|
case ipn.NeedsLogin:
|
|
return "Tailscale"
|
|
default:
|
|
return "Loading..."
|
|
}
|
|
}
|
|
|
|
func (ui *UI) copyAddress(gtx layout.Context, addr string) {
|
|
ui.events = append(ui.events, CopyEvent{Text: addr})
|
|
ui.showMessage(gtx, fmt.Sprintf("Copied %s", addr))
|
|
}
|
|
|
|
// layoutLocal lays out the information box about the local node's
|
|
// name and IP address.
|
|
func (ui *UI) layoutLocal(gtx layout.Context, sysIns system.Insets, host, addr string) layout.Dimensions {
|
|
for ui.self.Clicked() {
|
|
ui.copyAddress(gtx, addr)
|
|
}
|
|
return Background{Color: rgb(headerColor)}.Layout(gtx, func(gtx C) D {
|
|
return layout.Inset{
|
|
Right: unit.Max(gtx.Metric, sysIns.Right, unit.Dp(8)),
|
|
Left: unit.Max(gtx.Metric, sysIns.Left, unit.Dp(8)),
|
|
Bottom: unit.Dp(8),
|
|
}.Layout(gtx, func(gtx C) D {
|
|
return Background{Color: rgb(infoColor), CornerRadius: unit.Dp(8)}.Layout(gtx, func(gtx C) D {
|
|
return material.Clickable(gtx, &ui.self, func(gtx C) D {
|
|
return layout.UniformInset(unit.Dp(16)).Layout(gtx, func(gtx C) D {
|
|
gtx.Constraints.Min.X = gtx.Constraints.Max.X
|
|
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
|
|
layout.Rigid(func(gtx C) D {
|
|
return layout.Inset{Bottom: unit.Dp(4)}.Layout(gtx, func(gtx C) D {
|
|
name := material.H6(ui.theme, host)
|
|
name.Color = rgb(0xffffff)
|
|
return name.Layout(gtx)
|
|
})
|
|
}),
|
|
layout.Rigid(func(gtx C) D {
|
|
name := material.Body2(ui.theme, addr)
|
|
name.Color = rgb(0xc5ccd9)
|
|
return name.Layout(gtx)
|
|
}),
|
|
)
|
|
})
|
|
})
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
func (ui *UI) layoutSearchbar(gtx layout.Context, sysIns system.Insets) layout.Dimensions {
|
|
return Background{Color: rgb(0xf0eff6)}.Layout(gtx, func(gtx C) D {
|
|
return layout.Inset{
|
|
Top: unit.Dp(8),
|
|
Right: unit.Max(gtx.Metric, sysIns.Right, unit.Dp(8)),
|
|
Left: unit.Max(gtx.Metric, sysIns.Left, unit.Dp(8)),
|
|
Bottom: unit.Dp(8),
|
|
}.Layout(gtx, func(gtx C) D {
|
|
return Background{Color: rgb(0xe3e2ea), CornerRadius: unit.Dp(8)}.Layout(gtx, func(gtx C) D {
|
|
return layout.UniformInset(unit.Dp(8)).Layout(gtx, func(gtx C) D {
|
|
return layout.Flex{Alignment: layout.Middle}.Layout(gtx,
|
|
layout.Rigid(func(gtx C) D {
|
|
return ui.icons.search.Layout(gtx, unit.Dp(24))
|
|
}),
|
|
layout.Flexed(1,
|
|
material.Editor(ui.theme, &ui.search, "Search by machine name...").Layout,
|
|
),
|
|
)
|
|
})
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
// drawLogo draws the Tailscale logo using vector operations.
|
|
func drawLogo(ops *op.Ops, size int) {
|
|
scale := float32(size) / 680
|
|
discDia := 170 * scale
|
|
off := 172 * 1.5 * scale
|
|
tx := op.Offset(f32.Pt(off, 0))
|
|
ty := op.Offset(f32.Pt(0, off))
|
|
|
|
st := op.Push(ops)
|
|
defer st.Pop()
|
|
|
|
// First row of discs.
|
|
row := op.Push(ops)
|
|
drawDisc(ops, discDia, rgb(0x54514d))
|
|
tx.Add(ops)
|
|
drawDisc(ops, discDia, rgb(0x54514d))
|
|
tx.Add(ops)
|
|
drawDisc(ops, discDia, rgb(0x54514d))
|
|
row.Pop()
|
|
|
|
ty.Add(ops)
|
|
// Second row.
|
|
row = op.Push(ops)
|
|
drawDisc(ops, discDia, rgb(0xfffdfa))
|
|
tx.Add(ops)
|
|
drawDisc(ops, discDia, rgb(0xfffdfa))
|
|
tx.Add(ops)
|
|
drawDisc(ops, discDia, rgb(0xfffdfa))
|
|
row.Pop()
|
|
|
|
ty.Add(ops)
|
|
// Third row.
|
|
row = op.Push(ops)
|
|
drawDisc(ops, discDia, rgb(0x54514d))
|
|
tx.Add(ops)
|
|
drawDisc(ops, discDia, rgb(0xfffdfa))
|
|
tx.Add(ops)
|
|
drawDisc(ops, discDia, rgb(0x54514d))
|
|
row.Pop()
|
|
}
|
|
|
|
func drawImage(gtx layout.Context, img paint.ImageOp, size unit.Value) layout.Dimensions {
|
|
defer op.Push(gtx.Ops).Pop()
|
|
img.Add(gtx.Ops)
|
|
sz := img.Size()
|
|
aspect := float32(sz.Y) / float32(sz.X)
|
|
w := gtx.Px(size)
|
|
h := int(float32(w)*aspect + .5)
|
|
scale := float32(w) / float32(sz.X)
|
|
op.Affine(f32.Affine2D{}.Scale(f32.Point{}, f32.Point{X: scale, Y: scale})).Add(gtx.Ops)
|
|
paint.PaintOp{}.Add(gtx.Ops)
|
|
return layout.Dimensions{Size: image.Pt(w, h)}
|
|
}
|
|
|
|
func drawDisc(ops *op.Ops, radius float32, col color.NRGBA) {
|
|
defer op.Push(ops).Pop()
|
|
r2 := radius * .5
|
|
dr := f32.Rectangle{Max: f32.Pt(radius, radius)}
|
|
clip.RRect{
|
|
Rect: dr,
|
|
NE: r2, NW: r2, SE: r2, SW: r2,
|
|
}.Add(ops)
|
|
paint.ColorOp{Color: col}.Add(ops)
|
|
paint.PaintOp{}.Add(ops)
|
|
}
|
|
|
|
// Background lays out a widget and draws a color background behind it.
|
|
type Background struct {
|
|
Color color.NRGBA
|
|
CornerRadius unit.Value
|
|
}
|
|
|
|
func (b Background) Layout(gtx layout.Context, w layout.Widget) layout.Dimensions {
|
|
m := op.Record(gtx.Ops)
|
|
dims := w(gtx)
|
|
sz := dims.Size
|
|
call := m.Stop()
|
|
// Clip corners, if any.
|
|
if r := gtx.Px(b.CornerRadius); r > 0 {
|
|
rr := float32(r)
|
|
clip.RRect{
|
|
Rect: f32.Rectangle{Max: f32.Point{
|
|
X: float32(sz.X),
|
|
Y: float32(sz.Y),
|
|
}},
|
|
NE: rr, NW: rr, SE: rr, SW: rr,
|
|
}.Add(gtx.Ops)
|
|
}
|
|
fill{b.Color}.Layout(gtx, sz)
|
|
call.Add(gtx.Ops)
|
|
return dims
|
|
}
|
|
|
|
type fill struct {
|
|
col color.NRGBA
|
|
}
|
|
|
|
func (f fill) Layout(gtx layout.Context, sz image.Point) layout.Dimensions {
|
|
defer op.Push(gtx.Ops).Pop()
|
|
clip.Rect(image.Rectangle{Max: sz}).Add(gtx.Ops)
|
|
paint.ColorOp{Color: f.col}.Add(gtx.Ops)
|
|
paint.PaintOp{}.Add(gtx.Ops)
|
|
return layout.Dimensions{Size: sz}
|
|
}
|
|
|
|
func rgb(c uint32) color.NRGBA {
|
|
return argb((0xff << 24) | c)
|
|
}
|
|
|
|
func argb(c uint32) color.NRGBA {
|
|
return color.NRGBA{A: uint8(c >> 24), R: uint8(c >> 16), G: uint8(c >> 8), B: uint8(c)}
|
|
}
|
|
|
|
const termsText = `Tailscale is a mesh VPN for securely connecting your devices. All connections are device-to-device, so we never see your data.
|
|
|
|
We collect and use your email address and name, as well as your device name, OS version, and IP address in order to help you to connect your devices and manage your settings. We log when you are connected to your network.`
|