Nearly done with download :)

2017-04-09 01:26:31 -05:00
parent 01556c1eb0
commit 695ce815d9
7 changed files with 221 additions and 19 deletions
@@ -0,0 +1,111 @@
+//Package appimg is for downloading new AppImages for LinuxPA
+package appimg
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"github.com/gotk3/gotk3/glib"
+	"github.com/gotk3/gotk3/gtk"
+)
+
+const (
+	urlBase = "https://dl.bintray.com/probono/AppImages/"
+)
+
+//ShowUI shows the list of possible AppImages to be downloaded in a gtk.Window
+func ShowUI(clsFunc func()) {
+	win, _ := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
+	win.Connect("destroy", func() {
+		clsFunc()
+	})
+	apps := make([]appimg, 0)
+	win.SetSizeRequest(400, 400)
+	box, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 5)
+	appList, _ := gtk.ListBoxNew()
+	apch := make(chan appimg)
+	appList.SetHExpand(true)
+	appList.SetVExpand(true)
+	vScrollCat, _ := gtk.AdjustmentNew(0, 0, 0, 0, 0, 0)
+	hScrollCat, _ := gtk.AdjustmentNew(0, 0, 0, 0, 0, 0)
+	lst, _ := gtk.ScrolledWindowNew(hScrollCat, vScrollCat)
+	lst.SetSizeRequest(170, 500)
+	lst.Add(appList)
+	box.Add(lst)
+	win.Add(box)
+	appList.Connect("row-activated", func() {
+		if appList.GetSelectedRow().GetIndex() >= 0 {
+			downloadApp(win, apps[appList.GetSelectedRow().GetIndex()])
+		}
+	})
+	win.ShowAll()
+	win.Show()
+	getList(win, apch)
+	go func(win *gtk.Window, apch chan appimg, list *gtk.ListBox) {
+		for i := range apch {
+			glib.IdleAdd(func(list *gtk.ListBox, i appimg) {
+				lbl, _ := gtk.LabelNew(i.name)
+				list.Add(lbl)
+				apps = append(apps, i)
+				lbl.Show()
+			}, list, i)
+		}
+	}(win, apch, appList)
+}
+
+func getList(parent *gtk.Window, apch chan appimg) {
+	win, _ := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
+	win.SetTransientFor(parent)
+	win.SetDestroyWithParent(true)
+	win.Connect("destroy", func() {
+		parent.SetSensitive(true)
+	})
+	parent.SetSensitive(false)
+	spin, _ := gtk.SpinnerNew()
+	spin.Start()
+	txt, _ := gtk.LabelNew("Getting List...")
+	box, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 5)
+	box.SetMarginBottom(10)
+	box.SetMarginEnd(10)
+	box.SetMarginStart(10)
+	box.SetMarginTop(10)
+	box.Add(spin)
+	box.Add(txt)
+	win.Add(box)
+	win.SetPosition(gtk.WIN_POS_CENTER_ON_PARENT)
+	win.ShowAll()
+	win.Show()
+	go func(win *gtk.Window, apch chan appimg) {
+		check := http.Client{
+			CheckRedirect: func(r *http.Request, via []*http.Request) error {
+				r.URL.Opaque = r.URL.Path
+				return nil
+			},
+		}
+		resp, err := check.Get(urlBase)
+		if err != nil {
+			fmt.Println(err)
+			close(apch)
+			win.Close()
+			return
+		}
+		defer resp.Body.Close()
+		btys, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			fmt.Println(err)
+			close(apch)
+			win.Close()
+			return
+		}
+		tgs := convert(string(btys))
+		for _, v := range tgs {
+			if strings.HasSuffix(strings.ToLower(v.Meat), ".appimage") {
+				apch <- newApp(v.value("href"), v.Meat)
+			}
+		}
+		close(apch)
+		win.Close()
+	}(win, apch)
+}