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118 lines
2.1 KiB
Go
118 lines
2.1 KiB
Go
// Copyright (C) 2020 Raziman
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package main
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import (
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"fmt"
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"strconv"
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"strings"
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"time"
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"github.com/gdamore/tcell"
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"github.com/rivo/tview"
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)
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func PlayingBar(app *tview.Application, player *Player) *Progress {
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textView := tview.NewTextView()
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progress := InitProgressBar(textView, player)
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textView.SetChangedFunc(func() {
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app.Draw()
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if !player.IsRunning {
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progress.SetDefault()
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}
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})
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return progress
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}
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type Progress struct {
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textView *tview.TextView
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full int
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limit int
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progress chan int
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frame *tview.Frame
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_progress int
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player *Player
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skip bool
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}
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// full is the maximum amount of value can be sent to channel
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// limit is the progress bar size
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func InitProgressBar(txt *tview.TextView, player *Player) *Progress {
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p := &Progress{textView: txt, player: player}
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p.progress = make(chan int)
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p.textView.SetTextAlign(tview.AlignCenter)
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p.frame = tview.NewFrame(p.textView).SetBorders(1, 1, 1, 1, 1, 1)
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p.frame.SetBorder(true).SetTitle(" Now Playing ")
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p.SetDefault()
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return p
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}
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func (p *Progress) Run() {
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go func() {
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for {
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if p._progress > p.full || p.skip {
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p.skip = false
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p._progress = 0
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break
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}
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p._progress += <-p.progress
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p.textView.Clear()
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start, err := time.ParseDuration(strconv.Itoa(p._progress) + "s")
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if err != nil {
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panic(err)
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}
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end, err := time.ParseDuration(strconv.Itoa(p.full) + "s")
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if err != nil {
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panic(err)
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}
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x := p._progress * p.limit / p.full
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p.textView.SetText(fmt.Sprintf("%s %s%s %s",
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fmtDuration(start),
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strings.Repeat("■", x),
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strings.Repeat("□", p.limit-x),
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fmtDuration(end),
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))
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}
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}()
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}
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func (p *Progress) SetSongTitle(title string) {
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p.frame.Clear()
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p.frame.AddText(title, true, tview.AlignCenter, tcell.ColorGreen)
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}
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func (p *Progress) NewProgress(songTitle string, full, limit int) {
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p.full = full
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p.limit = limit
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p._progress = 0
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p.SetSongTitle(songTitle)
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}
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// sets default title and progress bar
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func (p *Progress) SetDefault() {
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p.SetSongTitle("-")
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p.textView.SetText(fmt.Sprintf("%s %s %s", "00:00", strings.Repeat("□", 100), "00:00"))
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}
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func (p *Progress) Stop() {
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p.skip = true
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}
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