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about.go
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about.go
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//go:build !(android || ios)
// +build !android,!ios
package gui
import (
"errors"
"net/http"
"net/url"
"path/filepath"
"strconv"
"strings"
"time"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/canvas"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/widget"
)
func aboutWindow(s *NewScreen) fyne.CanvasObject {
sr := fyne.NewStaticResource("Go2TV Icon", go2tvSmallIcon)
go2tvImage := canvas.NewImageFromResource(sr)
richhead := widget.NewRichTextFromMarkdown(`
Cast your media files to UPnP/DLNA Media Renderers and Smart TVs
---
## Author
Alex Ballas - alex@ballas.org
## License
MIT
## Version
` + s.version)
for i := range richhead.Segments {
if seg, ok := richhead.Segments[i].(*widget.TextSegment); ok {
seg.Style.Alignment = fyne.TextAlignCenter
}
if seg, ok := richhead.Segments[i].(*widget.HyperlinkSegment); ok {
seg.Alignment = fyne.TextAlignCenter
}
}
githubbutton := widget.NewButton("Github page", func() {
go func() {
u, _ := url.Parse("https://github.com/alexballas/go2tv")
_ = fyne.CurrentApp().OpenURL(u)
}()
})
checkversion := widget.NewButton("Check version", func() {
go checkVersion(s)
})
s.CheckVersion = checkversion
go2tvImage.SetMinSize(fyne.Size{
Width: 64,
Height: 64,
})
imageContainer := container.NewCenter(go2tvImage)
cont := container.NewVBox(
imageContainer,
container.NewCenter(richhead),
container.NewCenter(container.NewHBox(githubbutton, checkversion)))
return container.NewPadded(cont)
}
func checkVersion(s *NewScreen) {
s.CheckVersion.Disable()
defer s.CheckVersion.Enable()
errRedirectChecker := errors.New("redirect")
errVersioncomp := errors.New("failed to get version info - on develop or non-compiled version")
errVersionGet := errors.New("failed to get version info - check your internet connection")
str := strings.ReplaceAll(s.version, ".", "")
str = strings.TrimSpace(str)
currversion, err := strconv.Atoi(str)
if err != nil {
dialog.ShowError(errVersioncomp, s.Current)
return
}
req, err := http.NewRequest("GET", "https://github.com/alexballas/Go2TV/releases/latest", nil)
if err != nil {
dialog.ShowError(errVersionGet, s.Current)
}
client := &http.Client{
Timeout: 3 * time.Second,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return errRedirectChecker
},
}
response, err := client.Do(req)
if err != nil && !errors.Is(err, errRedirectChecker) {
dialog.ShowError(errVersionGet, s.Current)
return
}
defer response.Body.Close()
if errors.Is(err, errRedirectChecker) {
responceUrl, err := response.Location()
if err != nil {
dialog.ShowError(errVersionGet, s.Current)
return
}
str := strings.Trim(filepath.Base(responceUrl.Path), "v")
str = strings.ReplaceAll(str, ".", "")
chversion, err := strconv.Atoi(str)
if err != nil {
dialog.ShowError(errVersionGet, s.Current)
return
}
switch {
case chversion > currversion:
dialog.ShowInformation("Version checker", "New version: "+strings.Trim(filepath.Base(responceUrl.Path), "v"), s.Current)
return
default:
dialog.ShowInformation("Version checker", "No new version", s.Current)
return
}
}
dialog.ShowError(errVersionGet, s.Current)
}