a few more goroutines

ui/browsing/genrespage.go

@@ -64,20 +64,22 @@ func (a *GenresPage) load(searchOnLoad bool, scrollPos float32) {
 	if err != nil {
 		log.Printf("error loading genres: %v", err.Error())
 	}
-	a.genres = genres
-	if searchOnLoad {
-		a.onSearched(a.searcher.Entry.Text)
-		if scrollPos != 0 {
-			a.list.list.ScrollToOffset(scrollPos)
+	fyne.Do(func() {
+		a.genres = genres
+		if searchOnLoad {
+			a.onSearched(a.searcher.Entry.Text)
+			if scrollPos != 0 {
+				a.list.list.ScrollToOffset(scrollPos)
+			}
+		} else {
+			a.list.SetGenres(a.genres)
+			if scrollPos != 0 {
+				a.list.list.ScrollToOffset(scrollPos)
+				return
+			}
+			a.list.Refresh()
 		}
-	} else {
-		a.list.SetGenres(a.genres)
-		if scrollPos != 0 {
-			a.list.list.ScrollToOffset(scrollPos)
-			return
-		}
-		a.list.Refresh()
-	}
+	})
 }
 
 func (a *GenresPage) onSearched(query string) {

ui/browsing/nowplayingpage.go

@@ -297,7 +297,8 @@ func (a *NowPlayingPage) onImageLoaded(img image.Image, err error) {
 	if err != nil {
 		log.Printf("error loading cover art: %v\n", err)
 	}
-	a.card.SetCoverImage(img)
+
+	fyne.Do(func() { a.card.SetCoverImage(img) })
 	if img == nil {
 		return
 	}
@@ -307,18 +308,15 @@ func (a *NowPlayingPage) onImageLoaded(img image.Image, err error) {
 		return
 	}
 
-	evenFrame := true
+	// Fyne animation starting is currently thread-safe,
+	// despite not being marked as such
+	// TODO: if this changes, use fyne.Do
 	anim := canvas.NewColorRGBAAnimation(
 		a.background.StartColor, c, 75*time.Millisecond, func(c color.Color) {
-			// reduce fps to reduce mem allocations
-			if evenFrame {
-				a.background.StartColor = c
-				a.background.Refresh()
-			}
-			evenFrame = !evenFrame
+			a.background.StartColor = c
+			a.background.Refresh()
 		})
 	anim.Start()
-
 }
 
 func (a *NowPlayingPage) updateLyrics() {

ui/browsing/playlistpage.go

@@ -349,6 +349,7 @@ func (a *PlaylistPageHeader) Update(playlist *mediaprovider.PlaylistWithTracks)
 	a.Refresh()
 }
 
+// should be called asynchronously
 func (a *PlaylistPageHeader) showPopUpCover() {
 	if a.fullSizeCoverFetching || a.playlistInfo == nil {
 		return
@@ -361,7 +362,7 @@ func (a *PlaylistPageHeader) showPopUpCover() {
 		return
 	}
 	if a.page != nil {
-		a.page.contr.ShowPopUpImage(cover)
+		fyne.Do(func() { a.page.contr.ShowPopUpImage(cover) })
 	}
 }