87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
package controller
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import (
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"math"
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"time"
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/lang"
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"github.com/dweymouth/supersonic/backend/player"
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"github.com/dweymouth/supersonic/ui/util"
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"github.com/dweymouth/supersonic/ui/visualizations"
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)
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// embedded in parent controller struct
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type visualizationData struct {
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peakMeter *visualizations.PeakMeter
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peakMeterWin fyne.Window
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visualizationAnim *fyne.Animation
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}
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func (c *Controller) initVisualizations() {
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c.App.LocalPlayer.OnStopped(c.stopVisualizationAnim)
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c.App.LocalPlayer.OnPaused(c.stopVisualizationAnim)
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c.App.LocalPlayer.OnPlaying(func() {
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if c.peakMeter != nil {
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c.startVisualizationAnim()
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}
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})
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}
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func (c *Controller) ShowPeakMeter() {
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if c.peakMeterWin != nil {
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c.peakMeterWin.Show()
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return
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}
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c.peakMeterWin = fyne.CurrentApp().NewWindow(lang.L("Peak Meter"))
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c.peakMeterWin.SetCloseIntercept(func() {
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c.stopVisualizationAnim()
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c.peakMeter = nil
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util.SaveWindowSize(c.peakMeterWin,
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&c.App.Config.PeakMeter.WindowWidth,
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&c.App.Config.PeakMeter.WindowHeight)
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c.peakMeterWin.Close()
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c.peakMeterWin = nil
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})
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if c.App.Config.PeakMeter.WindowHeight > 0 {
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c.peakMeterWin.Resize(fyne.NewSize(
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float32(c.App.Config.PeakMeter.WindowWidth),
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float32(c.App.Config.PeakMeter.WindowHeight)))
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}
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c.peakMeter = visualizations.NewPeakMeter()
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c.peakMeterWin.SetContent(c.peakMeter)
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if c.App.LocalPlayer.GetStatus().State == player.Playing {
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c.startVisualizationAnim()
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} else {
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// TODO: why is this needed?
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c.peakMeter.Refresh()
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}
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c.peakMeterWin.Show()
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}
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func (c *Controller) stopVisualizationAnim() {
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if c.visualizationAnim != nil {
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c.visualizationAnim.Stop()
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c.visualizationAnim = nil
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c.App.LocalPlayer.SetPeaksEnabled(false)
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}
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}
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func (c *Controller) startVisualizationAnim() {
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if c.visualizationAnim == nil {
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c.App.LocalPlayer.SetPeaksEnabled(true)
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c.visualizationAnim = fyne.NewAnimation(
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time.Duration(math.MaxInt64), /*until stopped*/
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c.tickVisualizations)
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c.visualizationAnim.Start()
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}
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}
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func (c *Controller) tickVisualizations(_ float32) {
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lP, rP, lRMS, rRMS := c.App.LocalPlayer.GetPeaks()
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if c.visualizationData.peakMeter != nil {
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c.visualizationData.peakMeter.UpdatePeaks(lP, rP, lRMS, rRMS)
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}
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}
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