Added queues.

Reworked the architecture.

kernel/app.go

@@ -0,0 +1,105 @@
+package kernel
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/app"
+	"time"
+)
+
+type AppContract interface {
+	GetAppFyne() fyne.App
+	GetWindow() WindowContract
+	GetQueue() QueueListContract
+	GetLocalizerService() LocalizerContract
+	GetConvertorService() ConvertorContract
+	AfterClosing()
+	RunConvertor()
+}
+
+type App struct {
+	AppFyne fyne.App
+	Window  WindowContract
+	Queue   QueueListContract
+
+	localizerService LocalizerContract
+	convertorService ConvertorContract
+}
+
+func NewApp(
+	metadata *fyne.AppMetadata,
+	localizerService LocalizerContract,
+	queue QueueListContract,
+	queueLayoutObject QueueLayoutObjectContract,
+	convertorService ConvertorContract,
+) *App {
+	app.SetMetadata(*metadata)
+	a := app.New()
+
+	return &App{
+		AppFyne: a,
+		Window:  newWindow(a.NewWindow("GUI for FFmpeg"), NewLayout(queueLayoutObject, localizerService)),
+		Queue:   queue,
+
+		localizerService: localizerService,
+		convertorService: convertorService,
+	}
+}
+
+func (a App) GetAppFyne() fyne.App {
+	return a.AppFyne
+}
+
+func (a App) GetQueue() QueueListContract {
+	return a.Queue
+}
+
+func (a App) GetWindow() WindowContract {
+	return a.Window
+}
+
+func (a App) GetLocalizerService() LocalizerContract {
+	return a.localizerService
+}
+
+func (a App) GetConvertorService() ConvertorContract {
+	return a.convertorService
+}
+
+func (a App) AfterClosing() {
+	for _, cmd := range a.convertorService.GetRunningProcesses() {
+		_ = cmd.Process.Kill()
+	}
+}
+
+func (a App) RunConvertor() {
+	go func() {
+		for {
+			time.Sleep(time.Millisecond * 3000)
+			queueId, queue := a.Queue.Next()
+			if queue == nil {
+				continue
+			}
+			queue.Status = StatusType(InProgress)
+			a.Window.GetLayout().ChangeQueueStatus(queueId, queue)
+
+			totalDuration, err := a.convertorService.GetTotalDuration(&queue.Setting.VideoFileInput)
+			if err != nil {
+				queue.Status = StatusType(Error)
+				queue.Error = err
+				a.Window.GetLayout().ChangeQueueStatus(queueId, queue)
+				continue
+			}
+			progress := a.Window.GetLayout().NewProgressbar(queueId, totalDuration)
+
+			err = a.convertorService.RunConvert(*queue.Setting, progress)
+			if err != nil {
+				queue.Status = StatusType(Error)
+				queue.Error = err
+				a.Window.GetLayout().ChangeQueueStatus(queueId, queue)
+				continue
+			}
+			queue.Status = StatusType(Completed)
+			a.Window.GetLayout().ChangeQueueStatus(queueId, queue)
+		}
+	}()
+}