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-rw-r--r--main.go103
-rwxr-xr-xwaybar-mprisbin1005684 -> 3313664 bytes
2 files changed, 54 insertions, 49 deletions
diff --git a/main.go b/main.go
index 0dc56fa..60fa589 100644
--- a/main.go
+++ b/main.go
@@ -30,6 +30,7 @@ var knownBrowsers = map[string]string{
"chromium": "Chromium",
}
+// Player represents an active music player.
type Player struct {
player dbus.BusObject
fullName, name, title, artist, album string
@@ -40,12 +41,13 @@ type Player struct {
conn *dbus.Conn
}
+// Various paths and values to use elsewhere.
const (
INTERFACE = "org.mpris.MediaPlayer2"
PATH = "/org/mpris/MediaPlayer2"
- // NameOwnerChanged
+ // For the NameOwnerChanged signal.
MATCH_NOC = "type='signal',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged'"
- // PropertiesChanged
+ // For the PropertiesChanged signal. It doesn't match exactly (couldn't get that to work) so we check it manually.
MATCH_PC = "type='signal',path='/org/mpris/MediaPlayer2',interface='org.freedesktop.DBus.Properties'"
SOCK = "/tmp/waybar-mpris.sock"
LOGFILE = "/tmp/waybar-mpris.log"
@@ -53,12 +55,14 @@ const (
POLL = 1
)
+// Mostly default values for flag options.
var (
- PLAY = "▶"
- PAUSE = ""
- SEP = " - "
- ORDER = "SYMBOL:ARTIST:ALBUM:TITLE:POSITION"
- AUTOFOCUS = false
+ PLAY = "▶"
+ PAUSE = ""
+ SEP = " - "
+ ORDER = "SYMBOL:ARTIST:ALBUM:TITLE:POSITION"
+ AUTOFOCUS = false
+ // Available commands that can be sent to running instances.
COMMANDS = []string{"player-next", "player-prev", "next", "prev", "toggle", "list"}
SHOW_POS = false
INTERPOLATE = false
@@ -162,7 +166,7 @@ func µsToString(µs int64) string {
return fmt.Sprintf("%02d:%02d", minutes, seconds)
}
-// inc is the increment in seconds to add if the player reports an identical position.
+// Position figures out the track position in MM:SS, interpolating the value if necessary.
func (p *Player) Position() string {
// position is in microseconds so we prob need int64 to be safe
v := p.metadata["mpris:length"].Value()
@@ -192,6 +196,7 @@ func (p *Player) Position() string {
return position + "/" + length
}
+// JSON returns json for waybar to consume.
func (p *Player) JSON() string {
data := map[string]string{}
symbol := PLAY
@@ -210,22 +215,23 @@ func (p *Player) JSON() string {
var items []string
order := strings.Split(ORDER, ":")
for _, v := range order {
- if v == "SYMBOL" {
+ switch v {
+ case "SYMBOL":
items = append(items, symbol)
- } else if v == "ARTIST" {
+ case "ARTIST":
if p.artist != "" {
items = append(items, p.artist)
}
- } else if v == "ALBUM" {
+ case "ALBUM":
if p.album != "" {
items = append(items, p.album)
}
- } else if v == "TITLE" {
+ case "TITLE":
if p.title != "" {
items = append(items, p.title)
}
- } else if v == "POSITION" && SHOW_POS {
- if pos != "" {
+ case "POSITION":
+ if pos != "" && SHOW_POS {
items = append(items, pos)
}
}
@@ -262,19 +268,19 @@ func (p *Player) JSON() string {
return string(out)
}
-type PlayerList struct {
- list List
+type availablePlayers struct {
+ list playerArray
current uint
conn *dbus.Conn
}
-type List []*Player
+type playerArray []*Player
-func (ls List) Len() int {
+func (ls playerArray) Len() int {
return len(ls)
}
-func (ls List) Less(i, j int) bool {
+func (ls playerArray) Less(i, j int) bool {
var states [2]uint8
for i, p := range []bool{ls[i].playing, ls[j].playing} {
if p {
@@ -285,11 +291,11 @@ func (ls List) Less(i, j int) bool {
return states[0] > states[1]
}
-func (ls List) Swap(i, j int) {
+func (ls playerArray) Swap(i, j int) {
ls[i], ls[j] = ls[j], ls[i]
}
-func (pl *PlayerList) Remove(fullName string) {
+func (pl *availablePlayers) Remove(fullName string) {
currentName := pl.list[pl.current].fullName
var i int
found := false
@@ -300,28 +306,27 @@ func (pl *PlayerList) Remove(fullName string) {
break
}
}
- if found {
- pl.list[0], pl.list[i] = pl.list[i], pl.list[0]
- pl.list = pl.list[1:]
- found = false
- for ind, p := range pl.list {
- if p.fullName == currentName {
- pl.current = uint(ind)
- found = true
- break
- }
- }
- if !found {
- pl.current = 0
- pl.Refresh()
- fmt.Fprintln(WRITER, pl.JSON())
+ if !found {
+ return
+ }
+ pl.list[0], pl.list[i] = pl.list[i], pl.list[0]
+ pl.list = pl.list[1:]
+ found = false
+ for ind, p := range pl.list {
+ if p.fullName == currentName {
+ pl.current = uint(ind)
+ found = true
+ break
}
}
- // ls[len(ls)-1], ls[i] = ls[i], ls[len(ls)-1]
- // ls = ls[:len(ls)-1]
+ if !found {
+ pl.current = 0
+ pl.Refresh()
+ fmt.Fprintln(WRITER, pl.JSON())
+ }
}
-func (pl *PlayerList) Reload() error {
+func (pl *availablePlayers) Reload() error {
var buses []string
err := pl.conn.BusObject().Call("org.freedesktop.DBus.ListNames", 0).Store(&buses)
if err != nil {
@@ -336,40 +341,40 @@ func (pl *PlayerList) Reload() error {
return nil
}
-func (pl *PlayerList) New(name string) {
+func (pl *availablePlayers) New(name string) {
pl.list = append(pl.list, NewPlayer(pl.conn, name))
if AUTOFOCUS {
pl.current = uint(len(pl.list) - 1)
}
}
-func (pl *PlayerList) Sort() {
+func (pl *availablePlayers) Sort() {
sort.Sort(pl.list)
pl.current = 0
}
-func (pl *PlayerList) Refresh() {
+func (pl *availablePlayers) Refresh() {
for i := range pl.list {
pl.list[i].Refresh()
}
}
-func (pl *PlayerList) JSON() string {
+func (pl *availablePlayers) JSON() string {
if len(pl.list) != 0 {
return pl.list[pl.current].JSON()
}
return "{}"
}
-func (pl *PlayerList) Next() {
+func (pl *availablePlayers) Next() {
pl.list[pl.current].player.Call(INTERFACE+".Player.Next", 0)
}
-func (pl *PlayerList) Prev() {
+func (pl *availablePlayers) Prev() {
pl.list[pl.current].player.Call(INTERFACE+".Player.Previous", 0)
}
-func (pl *PlayerList) Toggle() {
+func (pl *availablePlayers) Toggle() {
pl.list[pl.current].player.Call(INTERFACE+".Player.PlayPause", 0)
}
@@ -420,7 +425,7 @@ func main() {
if err != nil {
log.Fatalln("Error connecting to DBus:", err)
}
- players := &PlayerList{
+ players := &availablePlayers{
conn: conn,
}
players.Reload()
@@ -516,7 +521,7 @@ func main() {
length := len(players.list)
if length != 1 {
if players.current < uint(length-1) {
- players.current += 1
+ players.current++
} else {
players.current = 0
}
@@ -527,7 +532,7 @@ func main() {
length := len(players.list)
if length != 1 {
if players.current != 0 {
- players.current -= 1
+ players.current--
} else {
players.current = uint(length - 1)
}
diff --git a/waybar-mpris b/waybar-mpris
index 460833c..7429a6b 100755
--- a/waybar-mpris
+++ b/waybar-mpris
Binary files differ
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-04 00:14:28 +0000