CalvinBackup/SpotiFLAC-Mobile
1
0
Fork 0
mirror of https://github.com/zarzet/SpotiFLAC-Mobile.git synced 2026-05-24 00:34:07 +02:00
Code Issues Packages Projects Releases Wiki Activity

feat: improve track matching

Browse Source
This commit is contained in:
zarzet
2026-03-29 15:33:20 +07:00
parent 6d87ae5484
commit 482ca82eb4
9 changed files with 227 additions and 86 deletions
Download Patch File Download Diff File Expand all files Collapse all files
go_backend/deezer_download.go
+9 -7
View File
@@ -204,7 +204,7 @@ func resolveDeezerTrackURL(req DownloadRequest) (string, error) {
}
if deezerID != "" {
trackURL := fmt.Sprintf("https://www.deezer.com/track/%s", deezerID)
if err := verifyDeezerTrack(req, deezerID); err != nil {
if err := verifyDeezerTrack(req, deezerID, false); err != nil {
GoLog("[Deezer] Direct ID %s verification failed: %v\n", deezerID, err)
// Don't reject direct IDs from request payload — they're presumably correct.
}
@@ -219,7 +219,7 @@ func resolveDeezerTrackURL(req DownloadRequest) (string, error) {
if err == nil && availability.Deezer && availability.DeezerURL != "" {
resolvedID := extractDeezerIDFromURL(availability.DeezerURL)
if resolvedID != "" {
if verifyErr := verifyDeezerTrack(req, resolvedID); verifyErr != nil {
if verifyErr := verifyDeezerTrack(req, resolvedID, true); verifyErr != nil {
GoLog("[Deezer] SongLink ID %s rejected: %v\n", resolvedID, verifyErr)
// Fall through to ISRC search instead of using wrong track.
} else {
@@ -240,7 +240,7 @@ func resolveDeezerTrackURL(req DownloadRequest) (string, error) {
if err == nil && track != nil {
resolvedID := songLinkExtractDeezerTrackID(track)
if resolvedID != "" {
if verifyErr := verifyDeezerTrack(req, resolvedID); verifyErr != nil {
if verifyErr := verifyDeezerTrack(req, resolvedID, false); verifyErr != nil {
GoLog("[Deezer] ISRC-resolved ID %s rejected: %v\n", resolvedID, verifyErr)
return "", fmt.Errorf("deezer track resolved via ISRC does not match: %w", verifyErr)
}
@@ -252,7 +252,7 @@ func resolveDeezerTrackURL(req DownloadRequest) (string, error) {
return "", fmt.Errorf("could not resolve Deezer track URL")
}
func verifyDeezerTrack(req DownloadRequest, deezerID string) error {
func verifyDeezerTrack(req DownloadRequest, deezerID string, skipNameVerification bool) error {
ctx, cancel := context.WithTimeout(context.Background(), SongLinkTimeout)
defer cancel()
trackResp, err := GetDeezerClient().GetTrack(ctx, deezerID)
@@ -260,9 +260,11 @@ func verifyDeezerTrack(req DownloadRequest, deezerID string) error {
return nil // Can't verify — don't block the download.
}
resolved := resolvedTrackInfo{
Title: trackResp.Track.Name,
ArtistName: trackResp.Track.Artists,
Duration: trackResp.Track.DurationMS / 1000,
Title: trackResp.Track.Name,
ArtistName: trackResp.Track.Artists,
ISRC: trackResp.Track.ISRC,
Duration: trackResp.Track.DurationMS / 1000,
SkipNameVerification: skipNameVerification,
}
if !trackMatchesRequest(req, resolved, "Deezer") {
return fmt.Errorf("expected '%s - %s', got '%s - %s'",
go_backend/qobuz.go
+21 -15
View File
@@ -1597,21 +1597,27 @@ func (q *QobuzDownloader) SearchTrackByMetadataWithDuration(trackName, artistNam
return nil, fmt.Errorf("no matching track found for: %s - %s", artistName, trackName)
}
func qobuzTrackMatchesRequest(req DownloadRequest, track *QobuzTrack, logPrefix, source string) bool {
func qobuzTrackMatchesRequest(req DownloadRequest, track *QobuzTrack, logPrefix, source string, skipNameVerification bool) bool {
if track == nil {
return false
}
if req.ArtistName != "" && !qobuzArtistsMatch(req.ArtistName, track.Performer.Name) {
GoLog("[%s] Artist mismatch from %s: expected '%s', got '%s'. Rejecting.\n",
logPrefix, source, req.ArtistName, track.Performer.Name)
return false
}
exactISRCMatch := req.ISRC != "" &&
track.ISRC != "" &&
strings.EqualFold(strings.TrimSpace(req.ISRC), strings.TrimSpace(track.ISRC))
if req.TrackName != "" && !qobuzTitlesMatch(req.TrackName, track.Title) {
GoLog("[%s] Title mismatch from %s: expected '%s', got '%s'. Rejecting.\n",
logPrefix, source, req.TrackName, track.Title)
return false
if !exactISRCMatch && !skipNameVerification {
if req.ArtistName != "" && !qobuzArtistsMatch(req.ArtistName, track.Performer.Name) {
GoLog("[%s] Artist mismatch from %s: expected '%s', got '%s'. Rejecting.\n",
logPrefix, source, req.ArtistName, track.Performer.Name)
return false
}
if req.TrackName != "" && !qobuzTitlesMatch(req.TrackName, track.Title) {
GoLog("[%s] Title mismatch from %s: expected '%s', got '%s'. Rejecting.\n",
logPrefix, source, req.TrackName, track.Title)
return false
}
}
expectedDurationSec := req.DurationMS / 1000
@@ -2125,7 +2131,7 @@ func resolveQobuzTrackForRequest(req DownloadRequest, downloader *QobuzDownloade
GoLog("[%s] Failed to get track by request Qobuz ID %d: %v\n", logPrefix, trackID, err)
track = nil
} else if track != nil {
if qobuzTrackMatchesRequest(req, track, logPrefix, "request Qobuz ID") {
if qobuzTrackMatchesRequest(req, track, logPrefix, "request Qobuz ID", false) {
GoLog("[%s] Successfully found track via request Qobuz ID: '%s' by '%s'\n", logPrefix, track.Title, track.Performer.Name)
} else {
track = nil
@@ -2142,7 +2148,7 @@ func resolveQobuzTrackForRequest(req DownloadRequest, downloader *QobuzDownloade
if err != nil {
GoLog("[%s] Cache hit but GetTrackByID failed: %v\n", logPrefix, err)
track = nil
} else if track != nil && !qobuzTrackMatchesRequest(req, track, logPrefix, "cached Qobuz ID") {
} else if track != nil && !qobuzTrackMatchesRequest(req, track, logPrefix, "cached Qobuz ID", false) {
track = nil
}
}
@@ -2162,7 +2168,7 @@ func resolveQobuzTrackForRequest(req DownloadRequest, downloader *QobuzDownloade
GoLog("[%s] Failed to get track by SongLink ID %d: %v\n", logPrefix, trackID, err)
track = nil
} else if track != nil {
if qobuzTrackMatchesRequest(req, track, logPrefix, "SongLink Qobuz ID") {
if qobuzTrackMatchesRequest(req, track, logPrefix, "SongLink Qobuz ID", true) {
GoLog("[%s] Successfully found track via SongLink ID: '%s' by '%s'\n", logPrefix, track.Title, track.Performer.Name)
if req.ISRC != "" {
GetTrackIDCache().SetQobuz(req.ISRC, track.ID)
@@ -2179,7 +2185,7 @@ func resolveQobuzTrackForRequest(req DownloadRequest, downloader *QobuzDownloade
if track == nil && req.ISRC != "" {
GoLog("[%s] Trying ISRC search: %s\n", logPrefix, req.ISRC)
track, err = qobuzSearchTrackByISRCWithDurationFunc(downloader, req.ISRC, expectedDurationSec)
if track != nil && !qobuzTrackMatchesRequest(req, track, logPrefix, "ISRC search") {
if track != nil && !qobuzTrackMatchesRequest(req, track, logPrefix, "ISRC search", false) {
track = nil
}
}
@@ -2188,7 +2194,7 @@ func resolveQobuzTrackForRequest(req DownloadRequest, downloader *QobuzDownloade
if track == nil {
GoLog("[%s] Trying metadata search: '%s' by '%s'\n", logPrefix, req.TrackName, req.ArtistName)
track, err = qobuzSearchTrackByMetadataWithDurationFunc(downloader, req.TrackName, req.ArtistName, expectedDurationSec)
if track != nil && !qobuzTrackMatchesRequest(req, track, logPrefix, "metadata search") {
if track != nil && !qobuzTrackMatchesRequest(req, track, logPrefix, "metadata search", false) {
track = nil
}
}
go_backend/qobuz_test.go
+17
View File
@@ -436,3 +436,20 @@ func TestResolveQobuzTrackForRequestUsesPrefixedQobuzIDWithoutSongLink(t *testin
t.Fatalf("unexpected resolved track: %+v", track)
}
}
func TestQobuzTrackMatchesRequest_SongLinkBypassesArtistAndTitle(t *testing.T) {
req := DownloadRequest{
TrackName: "Ringišpil",
ArtistName: "Djordje Balasevic",
}
track := &QobuzTrack{
Title: "Different Title",
Duration: 0,
}
track.Performer.Name = "Different Artist"
if !qobuzTrackMatchesRequest(req, track, "Qobuz", "SongLink Qobuz ID", true) {
t.Fatal("expected SongLink Qobuz source to bypass artist/title verification")
}
}
go_backend/tidal.go
+9 -3
View File
@@ -829,6 +829,7 @@ func (t *TidalDownloader) SearchTrackByMetadataWithISRC(trackName, artistName, a
resolved := resolvedTrackInfo{
Title: strings.TrimSpace(track.Title),
ArtistName: tidalTrackArtistsDisplay(track),
ISRC: strings.TrimSpace(track.ISRC),
Duration: track.Duration,
}
if trackMatchesRequest(req, resolved, "Tidal search") {
@@ -2035,6 +2036,7 @@ func resolveTidalTrackForRequest(req DownloadRequest, downloader *TidalDownloade
expectedDurationSec := req.DurationMS / 1000
var trackID int64
var gotTidalID bool
var resolvedViaSongLink bool
if req.TidalID != "" {
GoLog("[%s] Using Tidal ID from request payload: %s\n", logPrefix, req.TidalID)
@@ -2094,6 +2096,7 @@ func resolveTidalTrackForRequest(req DownloadRequest, downloader *TidalDownloade
trackID = parsedTrackID
GoLog("[%s] Got Tidal ID %d directly from SongLink\n", logPrefix, trackID)
gotTidalID = true
resolvedViaSongLink = true
return
}
}
@@ -2103,6 +2106,7 @@ func resolveTidalTrackForRequest(req DownloadRequest, downloader *TidalDownloade
if idErr == nil && trackID > 0 {
GoLog("[%s] Got Tidal ID %d from URL parsing\n", logPrefix, trackID)
gotTidalID = true
resolvedViaSongLink = true
}
}
}
@@ -2157,9 +2161,11 @@ func resolveTidalTrackForRequest(req DownloadRequest, downloader *TidalDownloade
providerArtist = actualTrack.Artists[0].Name
}
resolved := resolvedTrackInfo{
Title: actualTrack.Title,
ArtistName: providerArtist,
Duration: actualTrack.Duration,
Title: actualTrack.Title,
ArtistName: providerArtist,
ISRC: strings.TrimSpace(actualTrack.ISRC),
Duration: actualTrack.Duration,
SkipNameVerification: resolvedViaSongLink,
}
if !trackMatchesRequest(req, resolved, logPrefix) {
// Invalidate the cached ID so future requests don't reuse it.
go_backend/title_match_utils.go
+38 -15
View File
@@ -7,6 +7,21 @@ import (
"golang.org/x/text/unicode/norm"
)
func writeNormalizedArtistRune(b *strings.Builder, r rune) {
switch r {
case 'đ':
b.WriteString("dj")
case 'ß':
b.WriteString("ss")
case 'æ':
b.WriteString("ae")
case 'œ':
b.WriteString("oe")
default:
b.WriteRune(r)
}
}
// normalizeLooseTitle collapses separators/punctuation so titles like
// "Doctor / Cops" and "Doctor _ Cops" can still match.
func normalizeLooseTitle(title string) string {
@@ -51,7 +66,7 @@ func normalizeLooseArtistName(name string) string {
case unicode.Is(unicode.Mn, r), unicode.Is(unicode.Mc, r), unicode.Is(unicode.Me, r):
continue
case unicode.IsLetter(r), unicode.IsNumber(r):
b.WriteRune(r)
writeNormalizedArtistRune(&b, r)
case unicode.IsSpace(r):
b.WriteByte(' ')
case r == '/', r == '\\', r == '_', r == '-', r == '|', r == '.', r == '&', r == '+':
@@ -101,26 +116,34 @@ func normalizeSymbolOnlyTitle(title string) string {
// resolvedTrackInfo holds the metadata fetched from a provider for verification.
type resolvedTrackInfo struct {
Title string
ArtistName string
Duration int
Title string
ArtistName string
ISRC string
Duration int
SkipNameVerification bool
}
// trackMatchesRequest checks whether a resolved track from a provider matches
// the original download request. Returns true if the track is a plausible match.
func trackMatchesRequest(req DownloadRequest, resolved resolvedTrackInfo, logPrefix string) bool {
if req.ArtistName != "" && resolved.ArtistName != "" &&
!artistsMatch(req.ArtistName, resolved.ArtistName) {
GoLog("[%s] Verification failed: artist mismatch — expected '%s', got '%s'\n",
logPrefix, req.ArtistName, resolved.ArtistName)
return false
}
exactISRCMatch := req.ISRC != "" &&
resolved.ISRC != "" &&
strings.EqualFold(strings.TrimSpace(req.ISRC), strings.TrimSpace(resolved.ISRC))
if req.TrackName != "" && resolved.Title != "" &&
!titlesMatch(req.TrackName, resolved.Title) {
GoLog("[%s] Verification failed: title mismatch — expected '%s', got '%s'\n",
logPrefix, req.TrackName, resolved.Title)
return false
if !exactISRCMatch && !resolved.SkipNameVerification {
if req.ArtistName != "" && resolved.ArtistName != "" &&
!artistsMatch(req.ArtistName, resolved.ArtistName) {
GoLog("[%s] Verification failed: artist mismatch — expected '%s', got '%s'\n",
logPrefix, req.ArtistName, resolved.ArtistName)
return false
}
if req.TrackName != "" && resolved.Title != "" &&
!titlesMatch(req.TrackName, resolved.Title) {
GoLog("[%s] Verification failed: title mismatch — expected '%s', got '%s'\n",
logPrefix, req.TrackName, resolved.Title)
return false
}
}
expectedDurationSec := req.DurationMS / 1000
go_backend/title_match_utils_test.go
+34
View File
@@ -21,6 +21,40 @@ func TestNormalizeLooseTitle_EmojiAndSymbols(t *testing.T) {
}
}
func TestTrackMatchesRequest_SongLinkBypassesArtistAndTitle(t *testing.T) {
req := DownloadRequest{
TrackName: "Ringišpil",
ArtistName: "Djordje Balasevic",
}
resolved := resolvedTrackInfo{
Title: "Completely Different Title",
ArtistName: "Totally Different Artist",
SkipNameVerification: true,
}
if !trackMatchesRequest(req, resolved, "test") {
t.Fatal("expected SongLink-resolved track to bypass artist/title verification")
}
}
func TestTrackMatchesRequest_SongLinkStillChecksDuration(t *testing.T) {
req := DownloadRequest{
TrackName: "Ringišpil",
ArtistName: "Djordje Balasevic",
DurationMS: 180000,
}
resolved := resolvedTrackInfo{
Title: "Completely Different Title",
ArtistName: "Totally Different Artist",
Duration: 240,
SkipNameVerification: true,
}
if trackMatchesRequest(req, resolved, "test") {
t.Fatal("expected SongLink-resolved track with large duration mismatch to be rejected")
}
}
func TestTitlesMatch_SeparatorVariants(t *testing.T) {
if !titlesMatch("Doctor / Cops", "Doctor _ Cops") {
t.Fatal("expected tidal titlesMatch to accept / vs _ variant")
lib/providers/download_queue_provider.dart
+10 -10
View File
@@ -1559,7 +1559,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
final isDownloading = itemProgress['is_downloading'] as bool? ?? false;
final status = itemProgress['status'] as String? ?? 'downloading';
if (status == 'finalizing' && bytesTotal > 0) {
if (status == 'finalizing') {
progressUpdates[itemId] = const _ProgressUpdate(
status: DownloadStatus.finalizing,
progress: 1.0,
@@ -4358,7 +4358,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
if (!wasExisting && decryptionKey.isNotEmpty && filePath != null) {
_log.i('Encrypted stream detected, decrypting via FFmpeg...');
updateItemStatus(item.id, DownloadStatus.downloading, progress: 0.9);
updateItemStatus(item.id, DownloadStatus.finalizing, progress: 0.9);
if (effectiveSafMode && isContentUri(filePath)) {
final currentFilePath = filePath;
@@ -4503,7 +4503,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
try {
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.95,
);
@@ -4524,7 +4524,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
_log.i('Embedding metadata to $format...');
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.99,
);
@@ -4608,7 +4608,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
} else {
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.95,
);
flacPath = await FFmpegService.convertM4aToFlac(tempPath);
@@ -4684,7 +4684,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
try {
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.95,
);
@@ -4711,7 +4711,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
_log.i('Embedding metadata to $format...');
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.99,
);
@@ -4765,7 +4765,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
} else {
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.95,
);
final flacPath = await FFmpegService.convertM4aToFlac(
@@ -4849,7 +4849,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
try {
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.99,
);
@@ -4930,7 +4930,7 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
try {
updateItemStatus(
item.id,
DownloadStatus.downloading,
DownloadStatus.finalizing,
progress: 0.99,
);
lib/screens/main_shell.dart
+9 -8
View File
@@ -301,11 +301,11 @@ class _MainShellState extends ConsumerState<MainShell>
}
}
void _handleBackPress() {
Future<void> _handleBackPress() async {
final rootNavigator = Navigator.of(context, rootNavigator: true);
if (rootNavigator.canPop()) {
_log.i('Back: step 1 - root navigator pop');
rootNavigator.pop();
final handledByRootNavigator = await rootNavigator.maybePop();
if (handledByRootNavigator) {
_log.i('Back: step 1 - root navigator handled back');
_lastBackPress = null;
return;
}
@@ -314,9 +314,10 @@ class _MainShellState extends ConsumerState<MainShell>
settingsProvider.select((s) => s.showExtensionStore),
);
final currentNavigator = _navigatorForTab(_currentIndex, showStore);
if (currentNavigator != null && currentNavigator.canPop()) {
_log.i('Back: step 2 - tab navigator pop (tab=$_currentIndex)');
currentNavigator.pop();
final handledByCurrentNavigator =
await currentNavigator?.maybePop() ?? false;
if (handledByCurrentNavigator) {
_log.i('Back: step 2 - tab navigator handled back (tab=$_currentIndex)');
_lastBackPress = null;
return;
}
@@ -522,7 +523,7 @@ class _MainShellState extends ConsumerState<MainShell>
return BackButtonListener(
onBackButtonPressed: () async {
_handleBackPress();
await _handleBackPress();
return true;
},
child: Scaffold(
lib/screens/queue_tab.dart
+80 -28
View File
@@ -1220,16 +1220,21 @@ class _QueueTabState extends ConsumerState<QueueTab> {
}
void _toggleSelection(String itemId) {
var shouldHideOverlay = false;
setState(() {
if (_selectedIds.contains(itemId)) {
_selectedIds.remove(itemId);
if (_selectedIds.isEmpty) {
_isSelectionMode = false;
shouldHideOverlay = true;
}
} else {
_selectedIds.add(itemId);
}
});
if (shouldHideOverlay) {
_hideSelectionOverlay();
}
}
void _selectAll(List<UnifiedLibraryItem> items) {
@@ -1269,13 +1274,15 @@ class _QueueTabState extends ConsumerState<QueueTab> {
left: 0,
right: 0,
bottom: 0,
child: Material(
color: Colors.transparent,
child: _buildSelectionBottomBar(
context,
colorScheme,
_selectionOverlayItems,
_selectionOverlayBottomPadding,
child: _AnimatedOverlayBottomBar(
child: Material(
color: Colors.transparent,
child: _buildSelectionBottomBar(
context,
colorScheme,
_selectionOverlayItems,
_selectionOverlayBottomPadding,
),
),
),
);
@@ -1315,13 +1322,15 @@ class _QueueTabState extends ConsumerState<QueueTab> {
left: 0,
right: 0,
bottom: 0,
child: Material(
color: Colors.transparent,
child: _buildPlaylistSelectionBottomBar(
context,
colorScheme,
_playlistSelectionOverlayItems,
_playlistSelectionOverlayBottomPadding,
child: _AnimatedOverlayBottomBar(
child: Material(
color: Colors.transparent,
child: _buildPlaylistSelectionBottomBar(
context,
colorScheme,
_playlistSelectionOverlayItems,
_playlistSelectionOverlayBottomPadding,
),
),
),
);
@@ -1350,16 +1359,21 @@ class _QueueTabState extends ConsumerState<QueueTab> {
}
void _togglePlaylistSelection(String playlistId) {
var shouldHideOverlay = false;
setState(() {
if (_selectedPlaylistIds.contains(playlistId)) {
_selectedPlaylistIds.remove(playlistId);
if (_selectedPlaylistIds.isEmpty) {
_isPlaylistSelectionMode = false;
shouldHideOverlay = true;
}
} else {
_selectedPlaylistIds.add(playlistId);
}
});
if (shouldHideOverlay) {
_hidePlaylistSelectionOverlay();
}
}
void _selectAllPlaylists(List<UserPlaylistCollection> playlists) {
@@ -5538,20 +5552,8 @@ class _QueueTabState extends ConsumerState<QueueTab> {
),
const SizedBox(width: 8),
Text(
item.bytesTotal > 0 && item.bytesReceived > 0
? (() {
final receivedMB =
item.bytesReceived / (1024 * 1024);
final totalMB =
item.bytesTotal / (1024 * 1024);
final progressLabel = item.progress > 0
? '${(item.progress * 100).toStringAsFixed(0)}% • '
: '';
final speedLabel = item.speedMBps > 0
? ' • ${item.speedMBps.toStringAsFixed(1)} MB/s'
: '';
return '$progressLabel${receivedMB.toStringAsFixed(1)} / ${totalMB.toStringAsFixed(1)} MB$speedLabel';
})()
item.bytesTotal > 0
? '${(item.progress * 100).toStringAsFixed(0)}%'
: (item.bytesReceived > 0
? '${(item.bytesReceived / (1024 * 1024)).toStringAsFixed(1)} MB${item.speedMBps > 0 ? ' • ${item.speedMBps.toStringAsFixed(1)} MB/s' : ''}'
: (item.progress > 0
@@ -6466,3 +6468,53 @@ class _SelectionActionButton extends StatelessWidget {
);
}
}
class _AnimatedOverlayBottomBar extends StatefulWidget {
final Widget child;
const _AnimatedOverlayBottomBar({required this.child});
@override
State<_AnimatedOverlayBottomBar> createState() =>
_AnimatedOverlayBottomBarState();
}
class _AnimatedOverlayBottomBarState extends State<_AnimatedOverlayBottomBar>
with SingleTickerProviderStateMixin {
late final AnimationController _controller;
late final Animation<Offset> _slideAnimation;
late final Animation<double> _fadeAnimation;
@override
void initState() {
super.initState();
_controller = AnimationController(
vsync: this,
duration: const Duration(milliseconds: 240),
);
final curve = CurvedAnimation(
parent: _controller,
curve: Curves.easeOutCubic,
);
_slideAnimation = Tween<Offset>(
begin: const Offset(0, 0.08),
end: Offset.zero,
).animate(curve);
_fadeAnimation = Tween<double>(begin: 0, end: 1).animate(curve);
_controller.forward();
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return FadeTransition(
opacity: _fadeAnimation,
child: SlideTransition(position: _slideAnimation, child: widget.child),
);
}
}