From 51a410523acd4687a91ff6b48e05a4c7d711126a Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sun, 28 Apr 2019 12:27:06 +0200
Subject: updater: add initial skeleton

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 ui/updatepage.go | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 ui/updatepage.go

(limited to 'ui/updatepage.go')

diff --git a/ui/updatepage.go b/ui/updatepage.go
new file mode 100644
index 00000000..85b8558b
--- /dev/null
+++ b/ui/updatepage.go
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
+ */
+
+package ui
+
+import (
+	"fmt"
+	"golang.zx2c4.com/wireguard/windows/updater"
+
+	"github.com/lxn/walk"
+)
+
+type UpdatePage struct {
+	*walk.TabPage
+}
+
+func NewUpdatePage() (*UpdatePage, error) {
+	up := &UpdatePage{}
+	var err error
+
+	if up.TabPage, err = walk.NewTabPage(); err != nil {
+		return nil, err
+	}
+
+	up.SetTitle("An Update is Available!")
+	up.SetImage(iconProvider.updateAvailableImage)
+	//TODO: make title bold
+	up.SetLayout(walk.NewVBoxLayout())
+	up.Layout().SetMargins(walk.Margins{18, 18, 18, 18})
+
+	instructions, _ := walk.NewTextLabel(up)
+	instructions.SetText("An update to WireGuard is available. It is highly advisable to update without delay.")
+
+	status, _ := walk.NewTextLabel(up)
+	status.SetText("Status: Waiting for user")
+
+	bar, _ := walk.NewProgressBar(up)
+	bar.SetVisible(false)
+
+	button, _ := walk.NewPushButton(up)
+	button.SetText("Update Now")
+
+	walk.NewVSpacer(up)
+
+	button.Clicked().Attach(func() {
+		up.SetSuspended(true)
+		button.SetEnabled(false)
+		button.SetVisible(false)
+		bar.SetVisible(true)
+		bar.SetMarqueeMode(true)
+		up.SetSuspended(false)
+		progress := updater.DownloadVerifyAndExecute()
+		go func() {
+			for {
+				dp := <-progress
+				retNow := false
+				up.Synchronize(func() {
+					if dp.Error != nil {
+						up.SetSuspended(true)
+						bar.SetVisible(false)
+						bar.SetValue(0)
+						bar.SetRange(0, 1)
+						bar.SetMarqueeMode(false)
+						button.SetVisible(true)
+						button.SetEnabled(true)
+						status.SetText(fmt.Sprintf("Error: %v. Please try again.", dp.Error))
+						up.SetSuspended(false)
+						retNow = true
+						return
+					}
+					if len(dp.Activity) > 0 {
+						status.SetText(fmt.Sprintf("Status: %s", dp.Activity))
+					}
+					if dp.BytesTotal > 0 {
+						bar.SetMarqueeMode(false)
+						bar.SetRange(0, int(dp.BytesTotal))
+						bar.SetValue(int(dp.BytesDownloaded))
+					} else {
+						bar.SetMarqueeMode(true)
+						bar.SetValue(0)
+						bar.SetRange(0, 1)
+					}
+					if dp.Complete {
+						up.SetSuspended(true)
+						bar.SetVisible(false)
+						bar.SetValue(0)
+						bar.SetRange(0, 0)
+						bar.SetMarqueeMode(false)
+						button.SetVisible(true)
+						button.SetEnabled(true)
+						status.SetText("Status: Complete!")
+						up.SetSuspended(false)
+						retNow = true
+						return
+					}
+				})
+				if retNow {
+					return
+				}
+			}
+		}()
+	})
+	return up, nil
+}
-- 
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