add status line to fullscreen page

ui/browsing/fullscreenpage.go

@@ -2,20 +2,26 @@ package browsing
 
 import (
 	"context"
+	"fmt"
 	"image"
 	"log"
+	"strings"
 
 	"github.com/dweymouth/supersonic/backend"
 	"github.com/dweymouth/supersonic/backend/mediaprovider"
+	"github.com/dweymouth/supersonic/backend/player"
+	"github.com/dweymouth/supersonic/backend/player/mpv"
 	"github.com/dweymouth/supersonic/sharedutil"
 	"github.com/dweymouth/supersonic/ui/controller"
 	"github.com/dweymouth/supersonic/ui/layouts"
+	myTheme "github.com/dweymouth/supersonic/ui/theme"
 	"github.com/dweymouth/supersonic/ui/util"
 	"github.com/dweymouth/supersonic/ui/widgets"
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/layout"
+	"fyne.io/fyne/v2/theme"
 	"fyne.io/fyne/v2/widget"
 )
 
@@ -28,6 +34,8 @@ type FullscreenPage struct {
 	queueList       *widgets.PlayQueueList
 	imageLoadCancel context.CancelFunc
 	card            *widgets.LargeNowPlayingCard
+	statusLabel     *widget.Label
+	totalTime       float64
 	nowPlayingID    string
 	albumID         string
 	container       *fyne.Container
@@ -53,6 +61,10 @@ func NewFullscreenPage(
 	}}
 	a.ExtendBaseWidget(a)
 
+	pm.OnPaused(a.formatStatusLine)
+	pm.OnPlaying(a.formatStatusLine)
+	pm.OnStopped(a.formatStatusLine)
+
 	a.card = widgets.NewLargeNowPlayingCard()
 	a.card.DisableRating = !canRate
 	a.card.OnAlbumNameTapped = func() {
@@ -75,26 +87,37 @@ func NewFullscreenPage(
 	a.queueList.OnShowArtistPage = func(artistID string) {
 		a.contr.NavigateTo(controller.ArtistRoute(artistID))
 	}
-	paddedLayout := &layouts.PercentPadLayout{
-		LeftRightObjectPercent: .8,
-		TopBottomObjectPercent: .8,
-	}
-	a.container = container.NewGridWithColumns(2,
-		container.New(paddedLayout, a.card),
-		container.New(paddedLayout,
-			util.AddHeaderBackground(
-				container.NewAppTabs(
-					container.NewTabItem("Play Queue",
-						container.NewBorder(layout.NewSpacer(), nil, nil, nil, a.queueList)),
-					container.NewTabItem("Lyrics", layout.NewSpacer()),
-				))),
-	)
+	a.statusLabel = widget.NewLabel("Stopped")
 
 	a.Reload()
 	return a
 }
 
 func (a *FullscreenPage) CreateRenderer() fyne.WidgetRenderer {
+	if a.container == nil {
+		paddedLayout := &layouts.PercentPadLayout{
+			LeftRightObjectPercent: .8,
+			TopBottomObjectPercent: .8,
+		}
+		mainContent := container.NewGridWithColumns(2,
+			container.New(paddedLayout, a.card),
+			container.New(paddedLayout,
+				util.AddHeaderBackground(
+					container.NewAppTabs(
+						container.NewTabItem("Play Queue",
+							container.NewBorder(layout.NewSpacer(), nil, nil, nil, a.queueList)),
+						container.NewTabItem("Lyrics", layout.NewSpacer()),
+					))))
+		a.container = container.NewStack(
+			mainContent,
+			container.NewVBox(
+				layout.NewSpacer(),
+				container.NewBorder(nil, nil, util.NewHSpace(1), util.NewHSpace(1),
+					myTheme.NewThemedRectangle(theme.ColorNameInputBorder)),
+				a.statusLabel,
+			),
+		)
+	}
 	return widget.NewSimpleRenderer(a.container)
 }
 
@@ -142,6 +165,11 @@ func (a *FullscreenPage) OnPlayQueueChange() {
 func (a *FullscreenPage) Reload() {
 	a.queue = a.pm.GetPlayQueue()
 	a.queueList.SetTracks(a.queue)
+	a.totalTime = 0.0
+	for _, tr := range a.queue {
+		a.totalTime += float64(tr.Duration)
+	}
+	a.formatStatusLine()
 }
 
 func (s *fullscreenPageState) Restore() Page {
@@ -151,3 +179,70 @@ func (s *fullscreenPageState) Restore() Page {
 	}
 	return NewFullscreenPage(s.contr, s.pool, s.im, s.pm, s.canRate)
 }
+
+var _ CanShowPlayTime = (*FullscreenPage)(nil)
+
+func (a *FullscreenPage) OnPlayTimeUpdate(_, _ float64) {
+	a.formatStatusLine()
+}
+
+func (a *FullscreenPage) formatStatusLine() {
+	curPlayer := a.pm.CurrentPlayer()
+	playerStats := curPlayer.GetStatus()
+	lastStatus := a.statusLabel.Text
+	state := "Stopped"
+	switch playerStats.State {
+	case player.Paused:
+		state = "Paused"
+	case player.Playing:
+		state = "Playing"
+	}
+
+	dur := 0.0
+	if np := a.pm.NowPlaying(); np != nil {
+		dur = float64(np.Duration)
+	}
+	statusSuffix := ""
+	trackNum := 0
+	if state != "Stopped" {
+		trackNum = a.pm.NowPlayingIndex() + 1
+		statusSuffix = fmt.Sprintf(" %s/%s",
+			util.SecondsToTimeString(playerStats.TimePos),
+			util.SecondsToTimeString(dur))
+	}
+	status := fmt.Sprintf("%s (%d/%d)%s", state, trackNum,
+		len(a.queue), statusSuffix)
+
+	mediaInfo := ""
+	if state != "Stopped" {
+		mediaInfo = a.formatMediaInfoStr(curPlayer)
+	}
+	if mediaInfo != "" {
+		mediaInfo = " · " + mediaInfo
+	}
+
+	a.statusLabel.Text = fmt.Sprintf("%s%s | Total time: %s", status, mediaInfo, util.SecondsToTimeString(a.totalTime))
+	if lastStatus != a.statusLabel.Text {
+		a.statusLabel.Refresh()
+	}
+}
+
+func (a *FullscreenPage) formatMediaInfoStr(player player.BasePlayer) string {
+	mpv, ok := player.(*mpv.Player)
+	if !ok {
+		return ""
+	}
+	audioInfo, err := mpv.GetMediaInfo()
+	if err != nil {
+		log.Printf("error getting playback status: %s", err.Error())
+		return ""
+	}
+	codec := audioInfo.Codec
+	if len(codec) <= 4 && !strings.EqualFold(codec, "opus") {
+		codec = strings.ToUpper(codec) // FLAC, MP3, AAC, etc
+	}
+
+	// Note: bit depth intentionally omitted since MPV reports the decoded bit depth
+	// i.e. 24 bit files get reported as 32 bit. Also b/c bit depth isn't meaningful for lossy.
+	return fmt.Sprintf("%s %g kHz, %d kbps", codec, float64(audioInfo.Samplerate)/1000, audioInfo.Bitrate/1000)
+}