331 lines
11 KiB
Dart
331 lines
11 KiB
Dart
import 'dart:async';
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import 'package:audio_service/audio_service.dart';
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import 'package:flutter/material.dart';
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import 'package:freezer/api/player/player_helper.dart';
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import 'package:freezer/settings.dart';
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import 'package:freezer/translations.i18n.dart';
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import 'package:rxdart/rxdart.dart';
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import '../api/player/audio_handler.dart';
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import 'cached_image.dart';
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class PlayerBar extends StatelessWidget {
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final VoidCallback? onTap;
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final bool shouldHaveHero;
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final Color? backgroundColor;
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final FocusNode? focusNode;
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const PlayerBar({
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super.key,
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this.onTap,
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this.shouldHaveHero = true,
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this.backgroundColor,
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this.focusNode,
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});
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final double iconSize = 28;
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double parsePosition(Duration position) {
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if (audioHandler.mediaItem.value == null) return 0.0;
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if (audioHandler.mediaItem.value!.duration!.inSeconds == 0) {
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return 0.0; //Division by 0
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}
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return position.inSeconds /
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audioHandler.mediaItem.value!.duration!.inSeconds;
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}
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Color? get _backgroundColor => backgroundColor;
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@override
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Widget build(BuildContext context) {
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return SizedBox(
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height: 68.0,
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child: Column(mainAxisSize: MainAxisSize.max, children: <Widget>[
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Expanded(
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child: StreamBuilder<MediaItem?>(
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stream: audioHandler.mediaItem,
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initialData: audioHandler.mediaItem.valueOrNull,
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builder: (context, snapshot) {
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if (snapshot.data == null) {
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// lazy way to prevent dragging up
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return GestureDetector(
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behavior: HitTestBehavior.opaque,
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onVerticalDragEnd: (_) {},
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onVerticalDragUpdate: (_) {},
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child: Material(
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child: ListTile(
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dense: true,
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visualDensity: VisualDensity.standard,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16.0, vertical: 6.0),
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leading: Image.asset(
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'assets/cover_thumb.jpg',
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width: 48.0,
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height: 48.0,
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),
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title: Text('Nothing is currently playing'.i18n),
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),
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),
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);
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}
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final currentMediaItem = snapshot.data!;
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final image = CachedImage(
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rounded: true,
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width: 50,
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height: 50,
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url: currentMediaItem.extras!['thumb'] ??
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currentMediaItem.artUri.toString(),
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);
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final leadingWidget = shouldHaveHero
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? Hero(tag: currentMediaItem.id, child: image)
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: image;
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return Material(
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type: MaterialType.transparency,
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child: ListTile(
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dense: true,
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tileColor: _backgroundColor,
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focusNode: focusNode,
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visualDensity: VisualDensity.standard,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16.0, vertical: 0.0),
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onTap: onTap,
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leading: AnimatedSwitcher(
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key: const ValueKey('player_bar_art_switcher'),
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duration: const Duration(milliseconds: 250),
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child: leadingWidget),
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title: Text(
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currentMediaItem.displayTitle!,
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overflow: TextOverflow.clip,
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maxLines: 1,
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),
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subtitle: Text(
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currentMediaItem.displaySubtitle ?? '',
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overflow: TextOverflow.clip,
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maxLines: 1,
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),
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trailing: IconTheme(
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data: IconThemeData(
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color: settings.isDark
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? Colors.white
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: Colors.grey[600]),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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PrevNextButton(
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iconSize,
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prev: true,
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),
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PlayPauseButton(iconSize),
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PrevNextButton(iconSize)
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],
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),
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)));
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}),
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),
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SizedBox(
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height: 3.0,
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child: StreamBuilder<Duration>(
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stream: AudioService.position,
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builder: (context, snapshot) {
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return LinearProgressIndicator(
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value: parsePosition(snapshot.data ?? Duration.zero),
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);
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}),
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),
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]),
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);
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}
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}
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class PrevNextButton extends StatelessWidget {
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final double size;
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final bool prev;
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final bool hidePrev;
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const PrevNextButton(this.size,
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{super.key, this.prev = false, this.hidePrev = false});
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@override
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Widget build(BuildContext context) {
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// Listens to both mediaItem updates (a.k.a. when the song changes)
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// and queue updates (so for example, in SmartTrackLists, when the songs are fetched, it's updated with the new items)
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return StreamBuilder<bool>(
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stream: Rx.combineLatest2<MediaItem?, List<MediaItem>, bool>(
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audioHandler.mediaItem,
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audioHandler.queue,
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(_, queue) => playerHelper.queueIndex < queue.length - 1),
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builder: (context, snapshot) {
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if (!prev) {
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return IconButton(
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splashRadius: size * 2.0,
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icon: Icon(
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Icons.skip_next,
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semanticLabel: "Play next".i18n,
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),
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iconSize: size,
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onPressed:
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snapshot.data == true ? () => audioHandler.skipToNext() : null,
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);
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}
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final canGoPrev = playerHelper.queueIndex > 0;
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if (!canGoPrev && hidePrev) return const SizedBox.shrink();
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return IconButton(
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splashRadius: size * 2.0,
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icon: Icon(
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Icons.skip_previous,
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semanticLabel: "Play previous".i18n,
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),
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iconSize: size,
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onPressed: canGoPrev ? () => audioHandler.skipToPrevious() : null,
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);
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},
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);
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}
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}
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class PlayPauseButton extends StatefulWidget {
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final double size;
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final bool filled;
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final bool material3;
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final Color? iconColor;
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/// The color of the card if [filled] is true
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final Color? color;
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const PlayPauseButton(
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this.size, {
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super.key,
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this.filled = false,
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this.material3 = true,
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this.color,
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this.iconColor,
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});
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@override
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State<PlayPauseButton> createState() => _PlayPauseButtonState();
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}
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class _PlayPauseButtonState extends State<PlayPauseButton>
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with SingleTickerProviderStateMixin {
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late final AnimationController _controller;
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late final Animation<double> _animation;
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late StreamSubscription _stateSubscription;
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late StreamSubscription _playingSubscription;
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late bool _canPlay = audioHandler.playbackState.value.processingState ==
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AudioProcessingState.ready ||
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audioHandler.playbackState.value.processingState ==
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AudioProcessingState.idle;
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@override
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void initState() {
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_controller = AnimationController(
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vsync: this, duration: const Duration(milliseconds: 200));
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_animation = CurvedAnimation(parent: _controller, curve: Curves.easeInOut);
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_stateSubscription = playerHelper.processingState.listen((processingState) {
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if (processingState == AudioProcessingState.ready ||
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audioHandler.playbackState.value.processingState ==
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AudioProcessingState.idle) {
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if (!_canPlay) setState(() => _canPlay = true);
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return;
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}
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setState(() => _canPlay = false);
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});
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_playingSubscription = playerHelper.playing.listen((playing) {
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if (playing) {
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_controller.forward();
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} else {
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_controller.reverse();
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}
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});
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super.initState();
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}
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@override
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void dispose() {
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_stateSubscription.cancel();
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_playingSubscription.cancel();
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_controller.dispose();
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super.dispose();
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}
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void _playPause() {
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if (audioHandler.playbackState.value.playing) {
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audioHandler.pause();
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} else {
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audioHandler.play();
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}
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}
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@override
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Widget build(BuildContext context) {
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final Widget? child;
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if (_canPlay) {
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final icon = AnimatedIcon(
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icon: AnimatedIcons.play_pause,
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progress: _animation,
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semanticLabel: audioHandler.playbackState.value.playing
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? 'Pause'.i18n
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: 'Play'.i18n,
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);
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if (!widget.filled) {
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child = IconButton(
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color: widget.iconColor,
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icon: icon,
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iconSize: widget.size,
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onPressed: _playPause);
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} else {
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child = Material(
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type: MaterialType.transparency,
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child: InkWell(
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customBorder: widget.material3 ? null : const CircleBorder(),
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onTap: _playPause,
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child: IconTheme.merge(
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child: Center(child: icon),
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data: IconThemeData(
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size: widget.size / 2, color: widget.iconColor))),
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);
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}
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} else {
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switch (audioHandler.playbackState.value.processingState) {
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//Stopped/Error
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case AudioProcessingState.error:
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child = null;
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break;
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//Loading, connecting, rewinding...
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default:
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child = const Center(child: CircularProgressIndicator());
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break;
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}
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}
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if (widget.material3 && widget.filled) {
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return StreamBuilder<bool>(
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stream: playerHelper.playing,
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builder: (context, snapshot) {
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return AnimatedContainer(
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clipBehavior: Clip.antiAlias,
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width: widget.size * (snapshot.data == true ? 1.5 : 1),
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height: widget.size,
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duration: const Duration(milliseconds: 250),
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decoration: BoxDecoration(
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borderRadius: snapshot.data == true
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? BorderRadius.circular(widget.size / 3)
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: BorderRadius.circular(widget.size * 0.5),
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color: widget.color),
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child: child);
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});
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}
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if (widget.filled) {
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return AnimatedContainer(
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width: widget.size,
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height: widget.size,
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duration: const Duration(seconds: 1),
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decoration:
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BoxDecoration(shape: BoxShape.circle, color: widget.color),
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child: child);
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}
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return SizedBox.square(dimension: widget.size * 2, child: child);
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}
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}
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