arcast/cmd/mobile/main.go

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//go:build android
// +build android
package main
import (
"context"
"os"
"sync"
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"forge.cadoles.com/arcad/arcast/pkg/browser/gioui"
"forge.cadoles.com/arcad/arcast/pkg/server"
"gioui.org/app"
"gioui.org/io/system"
"gioui.org/layout"
"gioui.org/op"
"github.com/gioui-plugins/gio-plugins/plugin"
"github.com/gioui-plugins/gio-plugins/safedata"
"github.com/gioui-plugins/gio-plugins/safedata/giosafedata"
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"github.com/gioui-plugins/gio-plugins/webviewer/webview"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/logger"
)
const instanceIDSecretIdentifier = "instance_id"
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func main() {
ctx := context.Background()
webview.SetDebug(true)
window := app.NewWindow(
app.Fullscreen.Option(),
)
browser := gioui.NewBrowser(window)
var safeDataConfig safedata.Config
var safeDataConfigWaigGroup sync.WaitGroup
var initSafeDataConfig sync.Once
safeDataConfigWaigGroup.Add(1)
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go func() {
ops := new(op.Ops)
for {
evt := window.NextEvent()
plugin.Install(window, evt)
switch evt := evt.(type) {
case system.DestroyEvent:
os.Exit(0)
return
case system.FrameEvent:
gtx := layout.NewContext(ops, evt)
browser.Layout(gtx)
evt.Frame(gtx.Ops)
case app.ViewEvent:
initSafeDataConfig.Do(func() {
defer safeDataConfigWaigGroup.Done()
safeDataConfig = giosafedata.NewConfigFromViewEvent(window, evt, "com.cadoles.arcast_player")
})
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}
}
}()
go func() {
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for {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
safeDataConfigWaigGroup.Wait()
safe := safedata.NewSafeData(safeDataConfig)
instanceID, err := getInstanceIDFromSafeData(safe)
if err != nil {
logger.Fatal(ctx, "could not retrieve instance id", logger.CapturedE(errors.WithStack(err)))
}
server := server.New(
browser,
server.WithInstanceID(instanceID),
server.WithWebApps(true),
)
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if err := server.Start(); err != nil {
logger.Fatal(ctx, "could not start server", logger.CapturedE(errors.WithStack(err)))
}
defer func() {
if err := server.Stop(); err != nil {
logger.Error(ctx, "could not stop server", logger.CapturedE(errors.WithStack(err)))
}
}()
if err := server.Wait(); err != nil {
logger.Error(ctx, "could not wait for server", logger.CapturedE(errors.WithStack(err)))
}
}
}()
app.Main()
}
func getInstanceIDFromSafeData(safe *safedata.SafeData) (string, error) {
instanceIDSecret, err := safe.Get(instanceIDSecretIdentifier)
if err != nil && err.Error() != "not found" {
return "", errors.Wrapf(err, "could not retrieve instance id secret")
}
var instanceID string
if len(instanceIDSecret.Data) > 0 {
instanceID = string(instanceIDSecret.Data)
} else {
instanceID = server.NewRandomInstanceID()
instanceIDSecret.Identifier = instanceIDSecretIdentifier
instanceIDSecret.Data = []byte(instanceID)
instanceIDSecret.Description = "Arcast player instance identifier"
if err := safe.Set(instanceIDSecret); err != nil {
return "", errors.Wrapf(err, "could not save instance id secret")
}
}
return instanceID, nil
}