move mpris2 component to separate module

I'll likely put it in a different repo as i'm thinking of writing a last.fm scrobbler and it'd be reused there.
This commit is contained in:
Harvey Tindall 2021-01-07 16:10:20 +00:00
parent af0af02059
commit bcd2a83dd9
Signed by: hrfee
GPG Key ID: BBC65952848FB1A2
7 changed files with 423 additions and 343 deletions

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@ -7,6 +7,7 @@ a waybar component/utility for displaying and controlling MPRIS2 compliant media
MPRIS2 is widely supported, so this component should work with:
* Chrome/Chromium
* Firefox (Potentially, with `media.hardwaremediakeys.enabled = true` in about:config)
* Other browsers (with kde plasma integration installed)
* VLC
* Spotify

3
go.mod
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@ -2,7 +2,10 @@ module git.hrfee.pw/hrfee/waybar-mpris
go 1.15
replace git.hrfee.pw/hrfee/waybar-mpris/mpris2client => ./mpris2client
require (
git.hrfee.pw/hrfee/waybar-mpris/mpris2client v0.0.0-00010101000000-000000000000
github.com/godbus/dbus/v5 v5.0.3
github.com/hpcloud/tail v1.0.0
github.com/spf13/pflag v1.0.5

391
main.go
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@ -4,51 +4,21 @@ import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"net"
"os"
"os/signal"
"sort"
"strconv"
"strings"
"time"
mpris2 "git.hrfee.pw/hrfee/waybar-mpris/mpris2client"
"github.com/godbus/dbus/v5"
"github.com/hpcloud/tail"
flag "github.com/spf13/pflag"
)
var knownPlayers = map[string]string{
"plasma-browser-integration": "Browser",
"noson": "Noson",
}
var knownBrowsers = map[string]string{
"mozilla": "Firefox",
"chrome": "Chrome",
"chromium": "Chromium",
}
// Player represents an active music player.
type Player struct {
player dbus.BusObject
fullName, name, title, artist, album string
position int64
pid uint32
playing, stopped bool
metadata map[string]dbus.Variant
conn *dbus.Conn
}
// Various paths and values to use elsewhere.
const (
INTERFACE = "org.mpris.MediaPlayer2"
PATH = "/org/mpris/MediaPlayer2"
// For the NameOwnerChanged signal.
MATCH_NOC = "type='signal',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged'"
// 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"
OUTFILE = "/tmp/waybar-mpris.out"
@ -70,144 +40,18 @@ var (
WRITER io.Writer = os.Stdout
)
// NewPlayer returns a new player object.
func NewPlayer(conn *dbus.Conn, name string) (p *Player) {
playerName := strings.ReplaceAll(name, INTERFACE+".", "")
var pid uint32
conn.BusObject().Call("org.freedesktop.DBus.GetConnectionUnixProcessID", 0, name).Store(&pid)
for key, val := range knownPlayers {
if strings.Contains(name, key) {
playerName = val
break
}
}
if playerName == "Browser" {
file, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/cmdline", pid))
if err == nil {
cmd := string(file)
for key, val := range knownBrowsers {
if strings.Contains(cmd, key) {
playerName = val
break
}
}
}
}
p = &Player{
player: conn.Object(name, PATH),
conn: conn,
name: playerName,
fullName: name,
pid: pid,
}
p.Refresh()
return
}
// Refresh grabs playback info.
func (p *Player) Refresh() (err error) {
val, err := p.player.GetProperty(INTERFACE + ".Player.PlaybackStatus")
if err != nil {
p.playing = false
p.stopped = false
p.metadata = map[string]dbus.Variant{}
p.title = ""
p.artist = ""
p.album = ""
return
}
strVal := val.String()
if strings.Contains(strVal, "Playing") {
p.playing = true
p.stopped = false
} else if strings.Contains(strVal, "Paused") {
p.playing = false
p.stopped = false
} else {
p.playing = false
p.stopped = true
}
metadata, err := p.player.GetProperty(INTERFACE + ".Player.Metadata")
if err != nil {
p.metadata = map[string]dbus.Variant{}
p.title = ""
p.artist = ""
p.album = ""
return
}
p.metadata = metadata.Value().(map[string]dbus.Variant)
switch artist := p.metadata["xesam:artist"].Value().(type) {
case []string:
p.artist = strings.Join(artist, ", ")
case string:
p.artist = artist
default:
p.artist = ""
}
switch title := p.metadata["xesam:title"].Value().(type) {
case string:
p.title = title
default:
p.title = ""
}
switch album := p.metadata["xesam:album"].Value().(type) {
case string:
p.album = album
default:
p.album = ""
}
return nil
}
func µsToString(µs int64) string {
seconds := int(µs / 1e6)
minutes := int(seconds / 60)
seconds -= minutes * 60
return fmt.Sprintf("%02d:%02d", minutes, seconds)
}
// 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()
var l int64
if v != nil {
l = v.(int64)
} else {
return ""
}
length := µsToString(l)
if length == "" {
return ""
}
pos, err := p.player.GetProperty(INTERFACE + ".Player.Position")
if err != nil {
return ""
}
position := µsToString(pos.Value().(int64))
if position == "" {
return ""
}
if INTERPOLATE && position == µsToString(p.position) {
np := p.position + int64(POLL*1000000)
position = µsToString(np)
}
p.position = pos.Value().(int64)
return position + "/" + length
}
// JSON returns json for waybar to consume.
func (p *Player) JSON() string {
func playerJSON(p *mpris2.Player) string {
data := map[string]string{}
symbol := PLAY
data["class"] = "paused"
if p.playing {
if p.Playing {
symbol = PAUSE
data["class"] = "playing"
}
var pos string
if SHOW_POS {
pos = p.Position()
pos = p.StringPosition()
if pos != "" {
pos = "(" + pos + ")"
}
@ -219,16 +63,16 @@ func (p *Player) JSON() string {
case "SYMBOL":
items = append(items, symbol)
case "ARTIST":
if p.artist != "" {
items = append(items, p.artist)
if p.Artist != "" {
items = append(items, p.Artist)
}
case "ALBUM":
if p.album != "" {
items = append(items, p.album)
if p.Album != "" {
items = append(items, p.Album)
}
case "TITLE":
if p.title != "" {
items = append(items, p.title)
if p.Title != "" {
items = append(items, p.Title)
}
case "POSITION":
if pos != "" && SHOW_POS {
@ -254,12 +98,12 @@ func (p *Player) JSON() string {
data["tooltip"] = fmt.Sprintf(
"%s\nby %s\n",
strings.ReplaceAll(p.title, "&", "&"),
strings.ReplaceAll(p.artist, "&", "&"))
if p.album != "" {
data["tooltip"] += "from " + strings.ReplaceAll(p.album, "&", "&") + "\n"
strings.ReplaceAll(p.Title, "&", "&"),
strings.ReplaceAll(p.Artist, "&", "&"))
if p.Album != "" {
data["tooltip"] += "from " + strings.ReplaceAll(p.Album, "&", "&") + "\n"
}
data["tooltip"] += "(" + p.name + ")"
data["tooltip"] += "(" + p.Name + ")"
data["text"] = text
out, err := json.Marshal(data)
if err != nil {
@ -268,115 +112,22 @@ func (p *Player) JSON() string {
return string(out)
}
type availablePlayers struct {
list playerArray
current uint
conn *dbus.Conn
type players struct {
mpris2 *mpris2.Mpris2
}
type playerArray []*Player
func (ls playerArray) Len() int {
return len(ls)
}
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 {
states[i] = 1
}
}
// Reverse order
return states[0] > states[1]
}
func (ls playerArray) Swap(i, j int) {
ls[i], ls[j] = ls[j], ls[i]
}
func (pl *availablePlayers) Remove(fullName string) {
currentName := pl.list[pl.current].fullName
var i int
found := false
for ind, p := range pl.list {
if p.fullName == fullName {
i = ind
found = true
break
}
}
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
}
}
if !found {
pl.current = 0
pl.Refresh()
fmt.Fprintln(WRITER, pl.JSON())
}
}
func (pl *availablePlayers) Reload() error {
var buses []string
err := pl.conn.BusObject().Call("org.freedesktop.DBus.ListNames", 0).Store(&buses)
if err != nil {
return err
}
for _, name := range buses {
// Don't add playerctld, it just duplicates other players
if strings.HasPrefix(name, INTERFACE) && !strings.Contains(name, "playerctld") {
pl.New(name)
}
}
return nil
}
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 *availablePlayers) Sort() {
sort.Sort(pl.list)
pl.current = 0
}
func (pl *availablePlayers) Refresh() {
for i := range pl.list {
pl.list[i].Refresh()
}
}
func (pl *availablePlayers) JSON() string {
if len(pl.list) != 0 {
return pl.list[pl.current].JSON()
func (pl *players) JSON() string {
if len(pl.mpris2.List) != 0 {
return playerJSON(pl.mpris2.List[pl.mpris2.Current])
}
return "{}"
}
func (pl *availablePlayers) Next() {
pl.list[pl.current].player.Call(INTERFACE+".Player.Next", 0)
}
func (pl *players) Next() { pl.mpris2.List[pl.mpris2.Current].Next() }
func (pl *availablePlayers) Prev() {
pl.list[pl.current].player.Call(INTERFACE+".Player.Previous", 0)
}
func (pl *players) Prev() { pl.mpris2.List[pl.mpris2.Current].Previous() }
func (pl *availablePlayers) Toggle() {
pl.list[pl.current].player.Call(INTERFACE+".Player.PlayPause", 0)
}
func (pl *players) Toggle() { pl.mpris2.List[pl.mpris2.Current].Toggle() }
func main() {
logfile, err := os.OpenFile(LOGFILE, os.O_CREATE|os.O_APPEND|os.O_RDWR, 0666)
@ -421,18 +172,6 @@ func main() {
}
os.Exit(0)
}
conn, err := dbus.SessionBus()
if err != nil {
log.Fatalln("Error connecting to DBus:", err)
}
players := &availablePlayers{
conn: conn,
}
players.Reload()
players.Sort()
players.Refresh()
fmt.Fprintln(WRITER, players.JSON())
lastLine := ""
// fmt.Println("New array", players)
// Start command listener
if _, err := os.Stat(SOCK); err == nil {
@ -486,6 +225,16 @@ func main() {
os.Remove(OUTFILE)
}
}
conn, err := dbus.SessionBus()
if err != nil {
log.Fatalln("Error connecting to DBus:", err)
}
players := &players{
mpris2: mpris2.NewMpris2(conn, INTERPOLATE, POLL, AUTOFOCUS),
}
players.mpris2.Reload()
players.mpris2.Sort()
lastLine := ""
go func() {
listener, err := net.Listen("unix", SOCK)
c := make(chan os.Signal, 1)
@ -518,26 +267,24 @@ func main() {
command := string(buf[0:nr])
switch command {
case "player-next":
length := len(players.list)
length := len(players.mpris2.List)
if length != 1 {
if players.current < uint(length-1) {
players.current++
if players.mpris2.Current < uint(length-1) {
players.mpris2.Current++
} else {
players.current = 0
players.mpris2.Current = 0
}
players.Refresh()
fmt.Fprintln(WRITER, players.JSON())
players.mpris2.Refresh()
}
case "player-prev":
length := len(players.list)
length := len(players.mpris2.List)
if length != 1 {
if players.current != 0 {
players.current--
if players.mpris2.Current != 0 {
players.mpris2.Current--
} else {
players.current = uint(length - 1)
players.mpris2.Current = uint(length - 1)
}
players.Refresh()
fmt.Fprintln(WRITER, players.JSON())
players.mpris2.Refresh()
}
case "next":
players.Next()
@ -546,21 +293,7 @@ func main() {
case "toggle":
players.Toggle()
case "list":
resp := ""
pad := 0
i := len(players.list)
for i != 0 {
i /= 10
pad++
}
for i, p := range players.list {
symbol := ""
if uint(i) == players.current {
symbol = "*"
}
resp += fmt.Sprintf("%0"+strconv.Itoa(pad)+"d%s: Name: %s; Playing: %t; PID: %d\n", i, symbol, p.fullName, p.playing, p.pid)
}
con.Write([]byte(resp))
con.Write([]byte(players.mpris2.String()))
case "share":
out, err := os.Create(OUTFILE)
if err != nil {
@ -573,45 +306,24 @@ func main() {
}
}
}()
conn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, MATCH_NOC)
conn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, MATCH_PC)
go players.mpris2.Listen()
if SHOW_POS {
go func() {
for {
time.Sleep(POLL * time.Second)
if len(players.list) != 0 {
if players.list[players.current].playing {
if len(players.mpris2.List) != 0 {
if players.mpris2.List[players.mpris2.Current].Playing {
go fmt.Fprintln(WRITER, players.JSON())
}
}
}
}()
}
c := make(chan *dbus.Signal, 10)
conn.Signal(c)
for v := range c {
// fmt.Printf("SIGNAL: Sender %s, Path %s, Name %s, Body %s\n", v.Sender, v.Path, v.Name, v.Body)
if strings.Contains(v.Name, "NameOwnerChanged") {
switch name := v.Body[0].(type) {
case string:
var pid uint32
conn.BusObject().Call("org.freedesktop.DBus.GetConnectionUnixProcessID", 0, name).Store(&pid)
// Ignore playerctld again
if strings.Contains(name, INTERFACE) && !strings.Contains(name, "playerctld") {
if pid == 0 {
// fmt.Println("Removing", name)
players.Remove(name)
} else {
// fmt.Println("Adding", name)
players.New(name)
}
}
}
} else if strings.Contains(v.Name, "PropertiesChanged") && strings.Contains(v.Body[0].(string), INTERFACE+".Player") {
players.Refresh()
fmt.Fprintln(WRITER, players.JSON())
for v := range players.mpris2.Messages {
if v.Name == "refresh" {
if AUTOFOCUS {
players.Sort()
players.mpris2.Sort()
}
if l := players.JSON(); l != lastLine {
lastLine = l
@ -619,4 +331,5 @@ func main() {
}
}
}
players.mpris2.Refresh()
}

5
mpris2client/go.mod Normal file
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@ -0,0 +1,5 @@
module git.hrfee.pw/hrfee/waybar-mpris/mpris2client
go 1.15
require github.com/godbus/dbus/v5 v5.0.3 // indirect

3
mpris2client/go.sum Normal file
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@ -0,0 +1,3 @@
github.com/godbus/dbus v4.1.0+incompatible h1:WqqLRTsQic3apZUK9qC5sGNfXthmPXzUZ7nQPrNITa4=
github.com/godbus/dbus/v5 v5.0.3 h1:ZqHaoEF7TBzh4jzPmqVhE/5A1z9of6orkAe5uHoAeME=
github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=

355
mpris2client/mpris2.go Normal file
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@ -0,0 +1,355 @@
package mpris2client
import (
"fmt"
"io/ioutil"
"sort"
"strconv"
"strings"
"github.com/godbus/dbus/v5"
)
// Various paths and values to use elsewhere.
const (
INTERFACE = "org.mpris.MediaPlayer2"
PATH = "/org/mpris/MediaPlayer2"
// For the NameOwnerChanged signal.
MATCH_NOC = "type='signal',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged'"
// 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'"
Refresh = "refresh"
)
var knownPlayers = map[string]string{
"plasma-browser-integration": "Browser",
"noson": "Noson",
}
var knownBrowsers = map[string]string{
"mozilla": "Firefox",
"chrome": "Chrome",
"chromium": "Chromium",
}
// Player represents an active media player.
type Player struct {
Player dbus.BusObject
FullName, Name, Title, Artist, AlbumArtist, Album string
Position int64
pid uint32
Playing, Stopped bool
metadata map[string]dbus.Variant
conn *dbus.Conn
poll int
interpolate bool
}
// NewPlayer returns a new player object.
func NewPlayer(conn *dbus.Conn, name string, interpolate bool, poll int) (p *Player) {
playerName := strings.ReplaceAll(name, INTERFACE+".", "")
var pid uint32
conn.BusObject().Call("org.freedesktop.DBus.GetConnectionUnixProcessID", 0, name).Store(&pid)
for key, val := range knownPlayers {
if strings.Contains(name, key) {
playerName = val
break
}
}
if playerName == "Browser" {
file, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/cmdline", pid))
if err == nil {
cmd := string(file)
for key, val := range knownBrowsers {
if strings.Contains(cmd, key) {
playerName = val
break
}
}
}
}
p = &Player{
Player: conn.Object(name, PATH),
conn: conn,
Name: playerName,
FullName: name,
pid: pid,
interpolate: interpolate,
poll: poll,
}
p.Refresh()
return
}
func (p *Player) String() string {
return fmt.Sprintf("Name: %s; Playing: %t; PID: %d", p.FullName, p.Playing, p.pid)
}
// Refresh grabs playback info.
func (p *Player) Refresh() (err error) {
val, err := p.Player.GetProperty(INTERFACE + ".Player.PlaybackStatus")
if err != nil {
p.Playing = false
p.Stopped = false
p.metadata = map[string]dbus.Variant{}
p.Title = ""
p.Artist = ""
p.AlbumArtist = ""
p.Album = ""
return
}
strVal := val.String()
if strings.Contains(strVal, "Playing") {
p.Playing = true
p.Stopped = false
} else if strings.Contains(strVal, "Paused") {
p.Playing = false
p.Stopped = false
} else {
p.Playing = false
p.Stopped = true
}
metadata, err := p.Player.GetProperty(INTERFACE + ".Player.Metadata")
if err != nil {
p.metadata = map[string]dbus.Variant{}
p.Title = ""
p.Artist = ""
p.AlbumArtist = ""
p.Album = ""
return
}
p.metadata = metadata.Value().(map[string]dbus.Variant)
switch artist := p.metadata["xesam:artist"].Value().(type) {
case []string:
p.Artist = strings.Join(artist, ", ")
case string:
p.Artist = artist
default:
p.Artist = ""
}
switch albumArtist := p.metadata["xesam:albumArtist"].Value().(type) {
case []string:
p.AlbumArtist = strings.Join(albumArtist, ", ")
case string:
p.AlbumArtist = albumArtist
default:
p.AlbumArtist = ""
}
switch title := p.metadata["xesam:title"].Value().(type) {
case string:
p.Title = title
default:
p.Title = ""
}
switch album := p.metadata["xesam:album"].Value().(type) {
case string:
p.Album = album
default:
p.Album = ""
}
return nil
}
func µsToString(µs int64) string {
seconds := int(µs / 1e6)
minutes := int(seconds / 60)
seconds -= minutes * 60
return fmt.Sprintf("%02d:%02d", minutes, seconds)
}
// StringPosition figures out the track position in MM:SS/MM:SS, interpolating the value if necessary.
func (p *Player) StringPosition() string {
// position is in microseconds so we prob need int64 to be safe
v := p.metadata["mpris:length"].Value()
var l int64
if v != nil {
l = v.(int64)
} else {
return ""
}
length := µsToString(l)
if length == "" {
return ""
}
pos, err := p.Player.GetProperty(INTERFACE + ".Player.Position")
if err != nil {
return ""
}
position := µsToString(pos.Value().(int64))
if position == "" {
return ""
}
if p.interpolate && position == µsToString(p.Position) {
np := p.Position + int64(p.poll*1e6)
position = µsToString(np)
}
p.Position = pos.Value().(int64)
return position + "/" + length
}
// Next requests the next track.
func (p *Player) Next() { p.Player.Call(INTERFACE+".Player.Next", 0) }
// Previous requests the previous track.
func (p *Player) Previous() { p.Player.Call(INTERFACE+".Player.Previous", 0) }
// Toggle requests play/pause
func (p *Player) Toggle() { p.Player.Call(INTERFACE+".Player.PlayPause", 0) }
type Message struct {
Name, Value string
}
type PlayerArray []*Player
func (ls PlayerArray) Len() int {
return len(ls)
}
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 {
states[i] = 1
}
}
// Reverse order
return states[0] > states[1]
}
func (ls PlayerArray) Swap(i, j int) {
ls[i], ls[j] = ls[j], ls[i]
}
type Mpris2 struct {
List PlayerArray
Current uint
conn *dbus.Conn
Messages chan Message
interpolate bool
poll int
autofocus bool
}
func NewMpris2(conn *dbus.Conn, interpolate bool, poll int, autofocus bool) *Mpris2 {
return &Mpris2{
List: PlayerArray{},
Current: 0,
conn: conn,
Messages: make(chan Message),
interpolate: interpolate,
poll: poll,
}
}
// Listen should be run as a Goroutine. When players become available or are removed, an mpris2.Message is sent on mpris2.Mpris2.Messages with Name "add"/"remove" and Value as the player name. When a players state changes, a message is sent on mpris2.Mpris2.Messages with Name "refresh".
func (pl *Mpris2) Listen() {
c := make(chan *dbus.Signal, 10)
pl.conn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, MATCH_NOC)
pl.conn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, MATCH_PC)
pl.conn.Signal(c)
for v := range c {
if strings.Contains(v.Name, "NameOwnerChanged") {
switch name := v.Body[0].(type) {
case string:
var pid uint32
pl.conn.BusObject().Call("org.freedesktop.DBus.GetConnectionUnixProcessID", 0, name).Store(&pid)
// Ignore playerctld again
if strings.Contains(name, INTERFACE) && !strings.Contains(name, "playerctld") {
if pid == 0 {
pl.Remove(name)
pl.Messages <- Message{Name: "remove", Value: name}
} else {
pl.New(name)
pl.Messages <- Message{Name: "add", Value: name}
}
}
}
} else if strings.Contains(v.Name, "PropertiesChanged") && strings.Contains(v.Body[0].(string), INTERFACE+".Player") {
pl.Refresh()
}
}
}
func (pl *Mpris2) Remove(fullName string) {
currentName := pl.List[pl.Current].FullName
var i int
found := false
for ind, p := range pl.List {
if p.FullName == fullName {
i = ind
found = true
break
}
}
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
}
}
if !found {
pl.Current = 0
pl.Refresh()
//fmt.Fprintln(WRITER, pl.JSON())
}
}
func (pl *Mpris2) Reload() error {
var buses []string
err := pl.conn.BusObject().Call("org.freedesktop.DBus.ListNames", 0).Store(&buses)
if err != nil {
return err
}
for _, name := range buses {
// Don't add playerctld, it just duplicates other players
if strings.HasPrefix(name, INTERFACE) && !strings.Contains(name, "playerctld") {
pl.New(name)
}
}
return nil
}
func (pl *Mpris2) String() string {
resp := ""
pad := 0
i := len(pl.List)
for i != 0 {
i /= 10
pad++
}
for i, p := range pl.List {
symbol := ""
if uint(i) == pl.Current {
symbol = "*"
}
resp += fmt.Sprintf("%0"+strconv.Itoa(pad)+"d", i) + symbol + ": " + p.String() + "\n"
}
return resp
}
func (pl *Mpris2) New(name string) {
pl.List = append(pl.List, NewPlayer(pl.conn, name, pl.interpolate, pl.poll))
if pl.autofocus {
pl.Current = uint(len(pl.List) - 1)
}
}
func (pl *Mpris2) Sort() {
sort.Sort(pl.List)
pl.Current = 0
}
func (pl *Mpris2) Refresh() {
for i := range pl.List {
pl.List[i].Refresh()
}
pl.Messages <- Message{Name: "refresh", Value: ""}
}

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