ref: 42c4bda7ce787bb674af94b96cf901efbfc342ed
dir: /cmd/opossum/main.go/
package main
import (
"9fans.net/go/draw"
"fmt"
"image"
"os"
"github.com/knusbaum/go9p"
"github.com/psilva261/opossum/browser"
"github.com/psilva261/opossum/js"
"github.com/psilva261/opossum/logger"
"github.com/psilva261/opossum/style"
"os/signal"
"runtime/pprof"
"time"
"github.com/mjl-/duit"
)
var dui *duit.DUI
var cpuprofile string
var startPage string = "http://9p.io"
var dbg bool
func init() {
browser.EnableNoScriptTag = true
}
func mainView(b *browser.Browser) []*duit.Kid {
return duit.NewKids(
&duit.Grid{
Columns: 2,
Padding: duit.NSpace(2, duit.SpaceXY(5, 3)),
Halign: []duit.Halign{duit.HalignLeft, duit.HalignRight},
Valign: []duit.Valign{duit.ValignMiddle, duit.ValignMiddle},
Kids: duit.NewKids(
&duit.Button{
Text: "Back",
Font: browser.Style.Font(),
Click: b.Back,
},
&duit.Box{
Kids: duit.NewKids(
b.LocationField,
),
},
),
},
b.StatusBar,
b.Website,
)
}
func render(b *browser.Browser, kids []*duit.Kid) {
white, err := dui.Display.AllocImage(image.Rect(0, 0, 10, 10), draw.ARGB32, true, 0xffffffff)
if err != nil {
log.Errorf("%v", err)
}
dui.Top.UI = &duit.Box{
Kids: kids,
Background: white,
}
browser.PrintTree(b.Website.UI)
log.Printf("Render.....")
dui.MarkLayout(dui.Top.UI)
dui.MarkDraw(dui.Top.UI)
dui.Render()
log.Printf("Rendering done")
}
func confirm(b *browser.Browser, text, value string) chan string {
res := make(chan string)
dui.Call <- func() {
f := &duit.Field{
Text: value,
}
kids := duit.NewKids(
&duit.Grid{
Columns: 3,
Padding: duit.NSpace(3, duit.SpaceXY(5, 3)),
Halign: []duit.Halign{duit.HalignLeft, duit.HalignLeft, duit.HalignRight},
Valign: []duit.Valign{duit.ValignMiddle, duit.ValignMiddle, duit.ValignMiddle},
Kids: duit.NewKids(
&duit.Button{
Text: "Ok",
Font: browser.Style.Font(),
Click: func() (e duit.Event) {
res <- f.Text
e.Consumed = true
return
},
},
&duit.Button{
Text: "Abort",
Font: browser.Style.Font(),
Click: func() (e duit.Event) {
res <- ""
e.Consumed = true
return
},
},
f,
),
},
&duit.Label{
Text: text,
},
)
render(b, kids)
}
return res
}
func Main() (err error) {
dui, err = duit.NewDUI("opossum", nil) // TODO: rm global var
if err != nil {
return fmt.Errorf("new dui: %w", err)
}
dui.Debug = dbg
style.Init(dui)
b := browser.NewBrowser(dui, startPage)
b.Download = func(done chan int) chan string {
go func() {
<-done
dui.Call <- func() {
render(b, mainView(b))
}
}()
return confirm(b, fmt.Sprintf("Download %v", b.URL()), "/download.file")
}
render(b, mainView(b))
for {
select {
case e := <-dui.Inputs:
dui.Input(e)
case err, ok := <-dui.Error:
if !ok {
return nil
}
log.Printf("main: duit: %s\n", err)
}
}
}
func usage() {
fmt.Printf("usage: opossum [-v|-vv] [-h] [-jsinsecure] [-cpuprofile fn] [startPage]\n")
os.Exit(1)
}
func main() {
quiet := true
args := os.Args[1:]
for len(args) > 0 {
switch args[0] {
case "-vv":
quiet = false
dbg = true
args = args[1:]
case "-v":
quiet = false
args = args[1:]
case "-h":
usage()
args = args[1:]
case "-jsinsecure":
browser.ExperimentalJsInsecure = true
args = args[1:]
case "-cpuprofile":
cpuprofile, args = args[0], args[2:]
default:
if len(args) > 1 {
usage()
}
startPage, args = args[0], args[1:]
}
}
if quiet {
log.SetQuiet()
}
if cpuprofile != "" {
f, err := os.Create(cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
go func() {
<-time.After(time.Minute)
pprof.StopCPUProfile()
os.Exit(2)
}()
}
log.Debug = dbg
go9p.Verbose = log.Debug
done := make(chan os.Signal, 1)
signal.Notify(done, os.Interrupt, os.Kill)
go func() {
<-done
js.Stop()
os.Exit(1)
}()
if err := Main(); err != nil {
log.Fatalf("Main: %v", err)
}
}