lengthen Now Playing gradient animation + standardize anim durations

ui/browsing/nowplayingpage.go

@@ -9,7 +9,6 @@ import (
 	"net/url"
 	"slices"
 	"strings"
-	"time"
 
 	"github.com/cenkalti/dominantcolor"
 	"github.com/dweymouth/supersonic/backend"
@@ -321,7 +320,7 @@ func (a *NowPlayingPage) onImageLoaded(img image.Image, err error) {
 	// 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) {
+		a.background.StartColor, c, myTheme.AnimationDurationMedium, func(c color.Color) {
 			a.background.StartColor = c
 			a.background.Refresh()
 		})

ui/browsing/playlistpage.go

@@ -16,7 +16,6 @@ import (
 	"github.com/dweymouth/supersonic/ui/widgets"
 
 	"fyne.io/fyne/v2"
-	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/lang"
 	"fyne.io/fyne/v2/layout"
@@ -359,7 +358,7 @@ func NewPlaylistPageHeader(page *PlaylistPage) *PlaylistPageHeader {
 					// dismissal animation
 					searchEntry.Scroll = container.ScrollNone
 					searchEntry.SetPlaceHolder("")
-					fyne.NewAnimation(canvas.DurationShort, func(f float32) {
+					fyne.NewAnimation(myTheme.AnimationDurationShort, func(f float32) {
 						f = 1 - f
 						w := (200-minW)*f + minW
 						searchEntry.SetMinWidth(w)
@@ -375,7 +374,7 @@ func NewPlaylistPageHeader(page *PlaylistPage) *PlaylistPageHeader {
 		buttonRow.Objects[3] = searchEntry
 		searchEntry.SetMinWidth(minW)
 		fyne.CurrentApp().Driver().CanvasForObject(a).Focus(searchEntry)
-		fyne.NewAnimation(canvas.DurationShort, func(f float32) {
+		fyne.NewAnimation(myTheme.AnimationDurationShort, func(f float32) {
 			w := (200-minW)*f + minW
 			searchEntry.SetMinWidth(w)
 			// re-layout container (without unneeded full refresh)

ui/theme/theme.go

@@ -10,11 +10,13 @@ import (
 	"path/filepath"
 	"slices"
 	"strings"
+	"time"
 
 	"github.com/dweymouth/supersonic/backend"
 	"github.com/dweymouth/supersonic/res"
 
 	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/theme"
 )
 
@@ -30,6 +32,10 @@ const (
 	SizeNameSubSubHeadingText fyne.ThemeSizeName = "subSubHeadingText" // in between Text and SubHeadingText
 	SizeNameSubText           fyne.ThemeSizeName = "subText"           // in between Text and Caption
 	SizeNameSuffixText        fyne.ThemeSizeName = "suffixText"        // a tiny bit smaller than subText
+
+	AnimationDurationShort  = canvas.DurationShort
+	AnimationDurationMedium = 225 * time.Millisecond
+	AnimationDurationLong   = canvas.DurationStandard
 )
 
 var (

ui/toastoverlay.go

@@ -12,13 +12,14 @@ import (
 	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/theme"
 	"fyne.io/fyne/v2/widget"
+	myTheme "github.com/dweymouth/supersonic/ui/theme"
 	"github.com/dweymouth/supersonic/ui/util"
 	"github.com/dweymouth/supersonic/ui/widgets"
 )
 
 const (
 	toastAutoDismissalTime = 3 * time.Second
-	toastAnimationDuration = 100 * time.Millisecond
+	toastAnimationDuration = myTheme.AnimationDurationShort
 )
 
 type ToastOverlay struct {

ui/widgets/gridviewitem.go

@@ -6,7 +6,6 @@ import (
 	"image/color"
 	"image/png"
 	"slices"
-	"time"
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
@@ -200,7 +199,7 @@ func (a *coverImage) MouseIn(*desktop.MouseEvent) {
 	a.updateFavoriteIcon(false)
 
 	firstTick := true
-	a.mouseInAnim = fyne.NewAnimation(225*time.Millisecond, func(f float32) {
+	a.mouseInAnim = fyne.NewAnimation(myTheme.AnimationDurationMedium, func(f float32) {
 		a.playbtn.Hidden = false
 		a.favoriteButton.Hidden = !a.EnableFavorite
 		a.bottomPanel.Hidden = false
@@ -235,7 +234,7 @@ func (a *coverImage) MouseOut() {
 		a.mouseInAnim.Stop()
 		a.mouseInAnim = nil
 	}
-	gridViewMouseOutAnim = fyne.NewAnimation(canvas.DurationShort, func(f float32) {
+	gridViewMouseOutAnim = fyne.NewAnimation(myTheme.AnimationDurationShort, func(f float32) {
 		t := 1 - f
 		setPlayBtnTranslucency(t * float32(playBtnOpacity))
 		a.moreButton.Translucency = float64(f)
@@ -265,7 +264,7 @@ func (a *coverImage) MouseMoved(e *desktop.MouseEvent) {
 			return
 		}
 		if in {
-			fyne.NewAnimation(canvas.DurationShort, func(f float32) {
+			fyne.NewAnimation(myTheme.AnimationDurationShort, func(f float32) {
 				t := (1-playBtnOpacity)*f + playBtnOpacity
 				setPlayBtnTranslucency(t)
 				delta := playBtnHoveredSize.Subtract(playBtnSize)
@@ -273,7 +272,7 @@ func (a *coverImage) MouseMoved(e *desktop.MouseEvent) {
 				a.playbtn.Refresh()
 			}).Start()
 		} else {
-			fyne.NewAnimation(canvas.DurationShort, func(f float32) {
+			fyne.NewAnimation(myTheme.AnimationDurationShort, func(f float32) {
 				t := 1 - (1-playBtnOpacity)*f
 				setPlayBtnTranslucency(t)
 				delta := playBtnHoveredSize.Subtract(playBtnSize)

ui/widgets/imagepopup.go

@@ -6,6 +6,7 @@ import (
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/widget"
+	myTheme "github.com/dweymouth/supersonic/ui/theme"
 )
 
 const (
@@ -41,7 +42,7 @@ func (i *ImagePopUp) Show() {
 		canvSize.Width/2,
 		canvSize.Height/2,
 	))
-	anim := fyne.NewAnimation(canvas.DurationShort, func(f float32) {
+	anim := fyne.NewAnimation(myTheme.AnimationDurationShort, func(f float32) {
 		if f == 1 {
 			i.Content.(*canvas.Image).ScaleMode = canvas.ImageScaleSmooth
 		}