xorg add events.

server/internal/desktop/manager.go

@@ -10,14 +10,18 @@ import (
 	"m1k1o/neko/internal/desktop/xorg"
 	"m1k1o/neko/internal/types"
 
+	"github.com/kataras/go-events"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 )
 
+var mu = sync.Mutex{}
+
 type DesktopManagerCtx struct {
 	logger   zerolog.Logger
 	wg       sync.WaitGroup
 	shutdown chan struct{}
+	emmiter  events.EventEmmiter
 	config   *config.Desktop
 }
 
@@ -25,6 +29,7 @@ func New(config *config.Desktop, broadcast types.BroadcastManager) *DesktopManag
 	return &DesktopManagerCtx{
 		logger:   log.With().Str("module", "desktop").Logger(),
 		shutdown: make(chan struct{}),
+		emmiter:  events.New(),
 		config:   config,
 	}
 }
@@ -71,6 +76,18 @@ func (manager *DesktopManagerCtx) Start() {
 	}()
 }
 
+func (manager *DesktopManagerCtx) OnBeforeScreenSizeChange(listener func()) {
+	manager.emmiter.On("before_screen_size_change", func(payload ...any) {
+		listener()
+	})
+}
+
+func (manager *DesktopManagerCtx) OnAfterScreenSizeChange(listener func()) {
+	manager.emmiter.On("after_screen_size_change", func(payload ...any) {
+		listener()
+	})
+}
+
 func (manager *DesktopManagerCtx) Shutdown() error {
 	manager.logger.Info().Msgf("desktop shutting down")
 

server/internal/desktop/xorg.go

@@ -71,6 +71,14 @@ func (manager *DesktopManagerCtx) ScreenConfigurations() map[int]types.ScreenCon
 }
 
 func (manager *DesktopManagerCtx) SetScreenSize(size types.ScreenSize) error {
+	mu.Lock()
+	manager.emmiter.Emit("before_screen_size_change")
+
+	defer func() {
+		manager.emmiter.Emit("after_screen_size_change")
+		mu.Unlock()
+	}()
+
 	return xorg.ChangeScreenSize(size.Width, size.Height, size.Rate)
 }
 

server/internal/types/desktop.go

@@ -36,6 +36,8 @@ type KeyboardMap struct {
 type DesktopManager interface {
 	Start()
 	Shutdown() error
+	OnBeforeScreenSizeChange(listener func())
+	OnAfterScreenSizeChange(listener func())
 
 	// clipboard
 	ReadClipboard() string