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// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
package main
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"strconv"
"danix.xyz/notifyd/internal/notify"
"github.com/godbus/dbus/v5"
)
func usage() {
fmt.Fprintf(os.Stderr, `usage: %s <verb>
list the live queue as JSON
history [n] the history ring as JSON, default 20
close <id> dismiss one notification
close-all dismiss every notification
action <id> <key> invoke an action on a live notification
clear-history empty the history ring
`, filepath.Base(os.Args[0]))
os.Exit(2)
}
func main() {
if len(os.Args) < 2 {
usage()
}
verb := os.Args[1]
switch verb {
case "list":
printFile("queue.json", 0)
case "history":
limit := 20
if len(os.Args) >= 3 {
n, err := strconv.Atoi(os.Args[2])
if err != nil {
usage()
}
limit = n
}
if limit < 1 {
fmt.Println("[]")
return
}
printFile("history.json", limit)
case "close":
need(3)
id := parseID(os.Args[2])
callControl("Dismiss", id)
case "close-all":
callControl("CloseAll")
case "action":
need(4)
id := parseID(os.Args[2])
callControl("InvokeAction", id, os.Args[3])
case "clear-history":
callControl("ClearHistory")
default:
usage()
}
}
func need(n int) {
if len(os.Args) < n {
usage()
}
}
func parseID(s string) uint32 {
id, err := strconv.ParseUint(s, 10, 32)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: bad id %q\n", filepath.Base(os.Args[0]), s)
os.Exit(1)
}
return uint32(id)
}
// printFile reads a published file, because the files are the interface.
func printFile(name string, limit int) {
data, err := os.ReadFile(filepath.Join(notify.RuntimeDir(), name))
if err != nil {
fmt.Fprintf(os.Stderr, "notifyctl: %v\n", err)
os.Exit(1)
}
if limit > 0 {
var all []notify.Popup
if err := json.Unmarshal(data, &all); err != nil {
fmt.Fprintf(os.Stderr, "notifyctl: %v\n", err)
os.Exit(1)
}
if len(all) > limit {
all = all[:limit]
}
out, _ := json.MarshalIndent(all, "", " ")
fmt.Println(string(out))
return
}
var pretty any
if err := json.Unmarshal(data, &pretty); err != nil {
fmt.Fprintf(os.Stderr, "notifyctl: %v\n", err)
os.Exit(1)
}
out, _ := json.MarshalIndent(pretty, "", " ")
fmt.Println(string(out))
}
// callControl drives the daemon over the private interface. It is the only
// thing that mutates state.
func callControl(method string, args ...any) {
conn, err := dbus.SessionBus()
if err != nil {
fmt.Fprintf(os.Stderr, "notifyctl: session bus: %v\n", err)
os.Exit(1)
}
obj := conn.Object(notify.Name, dbus.ObjectPath("/xyz/danix/Notifyd"))
if err := obj.Call("xyz.danix.Notifyd."+method, 0, args...).Err; err != nil {
fmt.Fprintf(os.Stderr, "notifyctl: %v\n", err)
os.Exit(1)
}
}
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