85 lines
1.6 KiB
Go
85 lines
1.6 KiB
Go
|
package playback
|
||
|
|
|
||
|
|
import "github.com/delucks/go-subsonic"
|
||
|
|
|
||
|
|
type queue struct {
|
||
|
|
currentSong int
|
||
|
|
songQueue []*subsonic.Child
|
||
|
|
}
|
||
|
|
|
||
|
|
func newQueue() *queue {
|
||
|
|
return &queue{
|
||
|
|
currentSong: 0,
|
||
|
|
songQueue: []*subsonic.Child{},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) Set(songs []*subsonic.Child) {
|
||
|
|
q.currentSong = 0
|
||
|
|
q.songQueue = songs
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) Clear() {
|
||
|
|
q.currentSong = 0
|
||
|
|
q.songQueue = []*subsonic.Child{}
|
||
|
|
}
|
||
|
|
|
||
|
|
// returns true if queue was empty before addition
|
||
|
|
func (q *queue) Add(songs ...*subsonic.Child) bool {
|
||
|
|
shouldStartPlaying := len(q.songQueue) == 0
|
||
|
|
q.songQueue = append(q.songQueue, songs...)
|
||
|
|
if shouldStartPlaying {
|
||
|
|
q.currentSong = 0
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
// returns a song if position has changed
|
||
|
|
func (q *queue) SetPosition(position int) *subsonic.Child {
|
||
|
|
if position == q.currentSong || position < 0 || len(q.songQueue) < position {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
q.currentSong = position
|
||
|
|
return q.GetCurrentSong()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) GetPosition() int {
|
||
|
|
return q.currentSong
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) GetCurrentSong() *subsonic.Child {
|
||
|
|
if len(q.songQueue) == 0 {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
return q.songQueue[q.currentSong]
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) HasPrev() bool {
|
||
|
|
return 0 < q.currentSong
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) HasNext() bool {
|
||
|
|
return q.currentSong < len(q.songQueue)-1
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) Next() *subsonic.Child {
|
||
|
|
if len(q.songQueue) > q.currentSong+1 {
|
||
|
|
q.currentSong = q.currentSong + 1
|
||
|
|
return q.GetCurrentSong()
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) Prev() *subsonic.Child {
|
||
|
|
if q.currentSong > 0 {
|
||
|
|
q.currentSong = q.currentSong - 1
|
||
|
|
return q.GetCurrentSong()
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *queue) Get() []*subsonic.Child {
|
||
|
|
return q.songQueue
|
||
|
|
}
|