feat: notice daemon implementation

go.mod

@@ -0,0 +1,5 @@
+module git.meatbag.se/varl/notice
+
+go 1.24.1
+
+require github.com/godbus/dbus/v5 v5.1.0 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk=
+github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=

main.go

@@ -0,0 +1,114 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"sync"
+	"time"
+
+	"github.com/godbus/dbus/v5"
+)
+
+type notificationServer struct{}
+
+type Notification struct {
+	AppName       string
+	ReplacesId    uint32
+	Icon          string
+	Summary       string
+	Body          string
+	Actions       []string
+	ExpireTimeout int32
+}
+
+// {"text": "$text", "alt": "$alt", "tooltip": "$tooltip", "class": "$class", "percentage": $percentage }
+type Format struct {
+	Text string `json:"text"`
+}
+
+func (s notificationServer) Notify(appName string,
+	replacesId uint32,
+	appIcon string,
+	summary string,
+	body string,
+	actions []string,
+	hints map[string]dbus.Variant,
+	expireTimeout int32) (uint32, *dbus.Error) {
+
+	n := Notification{
+		AppName:       appName,
+		ReplacesId:    replacesId,
+		Icon:          appIcon,
+		Summary:       summary,
+		Body:          body,
+		Actions:       actions,
+		ExpireTimeout: expireTimeout,
+	}
+
+	log.Println(n)
+
+	way := Format{
+		Text: fmt.Sprintf("%s: %s", n.Summary, n.Body),
+	}
+
+	res, err := json.Marshal(way)
+	if err != nil {
+		panic(err)
+	}
+
+	defer func() {
+		timeout, err := time.ParseDuration(fmt.Sprintf("%vms", n.ExpireTimeout))
+		if n.ExpireTimeout == -1 || err != nil {
+			timeout = time.Duration(5000 * time.Millisecond)
+		}
+		time.Sleep(timeout)
+		wg := sync.WaitGroup{}
+		wg.Add(1)
+		go s.CloseNotification(n.ReplacesId)
+		wg.Done()
+	}()
+
+	//const ClearLine = "\033[2K"
+	//fmt.Printf(ClearLine)
+	//fmt.Printf("\r")
+	fmt.Printf("%s\n", res)
+	return 0, nil
+}
+
+func (s notificationServer) CloseNotification(id uint32) {
+	log.Println("close the notification", id)
+	fmt.Printf("\n")
+}
+
+func (s notificationServer) GetCapabilities() ([]string, *dbus.Error) {
+	return []string{"action-icons", "actions", "body", "body-hyperlinks", "body-images", "body-markup", "icon-multi", "icon-static", "persistence", "sound"}, nil
+}
+
+func (s notificationServer) GetServerInformation() (string, string, string, string, *dbus.Error) {
+	return "notice", "meatbag.se", "1.0", "1.2", nil
+}
+
+func main() {
+	conn, err := dbus.ConnectSessionBus()
+
+	if err != nil {
+		panic(err)
+	}
+
+	defer conn.Close()
+
+	f := notificationServer{}
+	conn.Export(f, "/org/freedesktop/Notifications", "org.freedesktop.Notifications")
+
+	reply, err := conn.RequestName("org.freedesktop.Notifications", dbus.NameFlagDoNotQueue)
+	if err != nil {
+		panic(err)
+	}
+
+	if reply != dbus.RequestNameReplyPrimaryOwner {
+		log.Fatal("name already taken")
+	}
+
+	select {}
+}