0.6.2 - Spotify albums/tracks, album art gradient, languages, minor fixes

2020-11-09 22:05:47 +01:00 · 2020-11-09 22:05:47 +01:00 · e9d97986b5
commit e9d97986b5
parent f877aa9d7b
17 changed files with 497 additions and 221 deletions
--- a/lib/ui/lyrics.dart
+++ b/lib/ui/lyrics.dart
@ -0,0 +1,153 @@
+import 'dart:async';
+
+import 'package:audio_service/audio_service.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:freezer/api/deezer.dart';
+import 'package:freezer/api/definitions.dart';
+import 'package:freezer/ui/elements.dart';
+import 'package:freezer/translations.i18n.dart';
+import 'package:freezer/ui/error.dart';
+
+class LyricsScreen extends StatefulWidget {
+
+  final Lyrics lyrics;
+  final String trackId;
+
+  LyricsScreen({this.lyrics, this.trackId, Key key}): super(key: key);
+
+  @override
+  _LyricsScreenState createState() => _LyricsScreenState();
+}
+
+class _LyricsScreenState extends State<LyricsScreen> {
+
+  Lyrics lyrics;
+  bool _loading = true;
+  bool _error = false;
+  int _currentIndex = 0;
+  int _prevIndex = 0;
+  Timer _timer;
+  ScrollController _controller = ScrollController();
+  StreamSubscription _mediaItemSub;
+  final double height = 90;
+
+  Future _load() async {
+    //Already available
+    if (this.lyrics != null) return;
+    if (widget.lyrics != null && widget.lyrics.lyrics != null && widget.lyrics.lyrics.length > 0) {
+      setState(() {
+        lyrics = widget.lyrics;
+        _loading = false;
+        _error = false;
+      });
+      return;
+    }
+
+    //Fetch
+    try {
+      Lyrics l = await deezerAPI.lyrics(widget.trackId);
+      setState(() {
+        _loading = false;
+        lyrics = l;
+      });
+    } catch (e) {
+      setState(() {
+        _error = true;
+      });
+    }
+  }
+
+  @override
+  void initState() {
+    _load();
+
+    Timer.periodic(Duration(milliseconds: 350), (timer) {
+      _timer = timer;
+      if (_loading) return;
+
+      //Update current lyric index
+      setState(() => _currentIndex = lyrics.lyrics.lastIndexWhere((l) => l.offset <= AudioService.playbackState.currentPosition));
+
+      //Scroll to current lyric
+      if (_currentIndex <= 0) return;
+      if (_prevIndex == _currentIndex) return;
+      _prevIndex = _currentIndex;
+      _controller.animateTo(
+        //Lyric height, screen height, appbar height
+        (height * _currentIndex) - (MediaQuery.of(context).size.height / 2) + (height / 2) + 56,
+        duration: Duration(milliseconds: 250),
+        curve: Curves.ease
+      );
+    });
+
+    //Track change = exit lyrics
+    AudioService.currentMediaItemStream.listen((event) {
+      if (event.id != widget.trackId)
+        Navigator.of(context).pop();
+    });
+
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    if (_timer != null)
+      _timer.cancel();
+    if (_mediaItemSub != null)
+      _mediaItemSub.cancel();
+    super.dispose();
+  }
+
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: FreezerAppBar('Lyrics'.i18n),
+      body: ListView(
+        controller: _controller,
+        children: [
+          //Shouldn't really happen, empty lyrics have own text
+          if (_error)
+            ErrorScreen(),
+
+          //Loading
+          if (_loading)
+            Padding(
+              padding: EdgeInsets.all(8.0),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  CircularProgressIndicator()
+                ],
+              ),
+            ),
+
+          if (lyrics != null)
+            ...List.generate(lyrics.lyrics.length, (i) {
+              return Padding(
+                padding: EdgeInsets.symmetric(horizontal: 8.0),
+                child: Container(
+                  decoration: BoxDecoration(
+                    borderRadius: BorderRadius.circular(8.0),
+                    color: (_currentIndex == i) ? Colors.grey.withOpacity(0.25) : Colors.transparent,
+                  ),
+                  height: height,
+                  child: Center(
+                    child: Text(
+                      lyrics.lyrics[i].text,
+                      textAlign: TextAlign.center,
+                      style: TextStyle(
+                        fontSize: 26.0,
+                        fontWeight: (_currentIndex == i) ? FontWeight.bold : FontWeight.normal
+                      ),
+                    ),
+                  )
+                )
+              );
+            }),
+        ],
+      )
+    );
+  }
+}