ref: 35f58b7553f6ebeeaabcdba5b6950f312463e3b8
parent: 3260406659434893622caf40d0b6ef8884e7cc16
author: Philip Silva <[email protected]>
date: Sat Sep 4 05:36:38 EDT 2021
Untangle main.go a bit
--- a/browser/browser.go
+++ b/browser/browser.go
@@ -1394,7 +1394,7 @@
LocationField *duit.Field
loading bool
client *http.Client
- Download func(done chan int) chan string
+ Download func(res chan *string)
}
func NewBrowser(_dui *duit.DUI, initUrl string) (b *Browser) {
@@ -1560,21 +1560,20 @@
if contentType.IsHTML() || contentType.IsPlain() || contentType.IsEmpty() {
b.render(contentType, buf)
} else {
- done := make(chan int)
- res := b.Download(done)
+ res := make(chan *string, 1)
+ b.Download(res)
log.Infof("Download unhandled content type: %v", contentType)
fn := <-res
- if fn != "" {
- log.Infof("Download to %v", fn)
- f, _ := os.Create(fn)
+ if fn != nil && *fn != "" {
+ log.Infof("Download to %v", *fn)
+ f, _ := os.Create(*fn)
f.Write(buf)
f.Close()
}
dui.Call <- func() {
- done <- 1
b.loading = false
}
}
--- a/cmd/opossum/main.go
+++ b/cmd/opossum/main.go
@@ -16,17 +16,27 @@
"github.com/mjl-/duit"
)
-var dui *duit.DUI
-var cpuprofile string
-var startPage string = "http://9p.io"
-var dbg bool
+var (
+ dui *duit.DUI
+ b *browser.Browser
+ cpuprofile string
+ startPage string = "http://9p.io"
+ dbg bool
+ v View
+)
func init() {
browser.EnableNoScriptTag = true
}
-func mainView(b *browser.Browser) []*duit.Kid {
+type View interface {
+ Render() []*duit.Kid
+}
+
+type Nav struct {}
+
+func (n *Nav) Render() []*duit.Kid {
return duit.NewKids(
&duit.Grid{
Columns: 2,
@@ -51,13 +61,73 @@
)
}
-func render(b *browser.Browser, kids []*duit.Kid) {
+type Confirm struct {
+ text string
+ value string
+ res chan *string
+ done bool
+}
+
+func (c *Confirm) Render() []*duit.Kid {
+ f := &duit.Field{
+ Text: c.value,
+ }
+ return 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) {
+ if c.done { return }
+ s := f.Text
+ c.res <- &s
+ c.done = true
+ e.Consumed = true
+ v = &Nav{}
+ render()
+ return
+ },
+ },
+ &duit.Button{
+ Text: "Abort",
+ Font: browser.Style.Font(),
+ Click: func() (e duit.Event) {
+ if c.done { return }
+ close(c.res)
+ c.done = true
+ e.Consumed = true
+ v = &Nav{}
+ render()
+ return
+ },
+ },
+ f,
+ ),
+ },
+ &duit.Label{
+ Text: c.text,
+ },
+ )
+}
+
+type Loading struct {}
+
+func (l *Loading) Render() []*duit.Kid {
+ return nil
+}
+
+func render() {
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,
+ Kids: v.Render(),
Background: white,
}
browser.PrintTree(b.Website.UI)
@@ -68,53 +138,6 @@
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 {
@@ -124,17 +147,18 @@
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")
+ b = browser.NewBrowser(dui, startPage)
+ b.Download = func(res chan *string) {
+ v = &Confirm{
+ text: fmt.Sprintf("Download %v", b.URL()),
+ value: "/download.file",
+ res: res,
+ }
+ render()
+ return
}
- render(b, mainView(b))
+ v = &Nav{}
+ render()
for {
select {