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Refactor chapter seeking logic in AudiobookPlayerSeekChapterButton

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Dr-Blank 2024-05-21 10:50:02 -04:00
parent aefe5299ca
commit 73e8f4bfa6
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7 changed files with 217 additions and 96 deletions
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4
lib/features/player/core/audiobook_player.dart
View file

@ -225,6 +225,10 @@ class AudiobookPlayer extends AudioPlayer {
if (_book == null) {
return null;
}
// if the list is empty, return null
if (_book!.chapters.isEmpty) {
return null;
}
return _book!.chapters.firstWhere(
(element) {
return element.start <= positionInBook && element.end >= positionInBook;

2
lib/features/player/view/audiobook_player.dart
View file

@ -72,7 +72,7 @@ class AudiobookPlayer extends HookConsumerWidget {
// the image width when the player is expanded
final maxImgSize = availWidth * 0.9;
final preferredVolume = appSettings.playerSettings.preferredVolume;
final preferredVolume = appSettings.playerSettings.preferredDefaultVolume;
return Theme(
data: ThemeData(
colorScheme: imageTheme.valueOrNull ?? Theme.of(context).colorScheme,

171
lib/features/player/view/player_when_expanded.dart
View file

@ -1,11 +1,13 @@
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:miniplayer/miniplayer.dart';
import 'package:shelfsdk/audiobookshelf_api.dart';
import 'package:whispering_pages/constants/sizes.dart';
import 'package:whispering_pages/features/player/providers/audiobook_player.dart';
import 'package:whispering_pages/features/player/providers/currently_playing_provider.dart';
import 'package:whispering_pages/features/player/providers/player_form.dart';
import 'package:whispering_pages/features/player/view/audiobook_player.dart';
import 'package:whispering_pages/settings/app_settings_provider.dart';
import 'package:whispering_pages/shared/extensions/inverse_lerp.dart';
class PlayerWhenExpanded extends HookConsumerWidget {
@ -127,27 +129,27 @@ class PlayerWhenExpanded extends HookConsumerWidget {
),
// the chapter title
currentChapter == null
? const SizedBox()
: Opacity(
opacity: earlyPercentage,
child: Padding(
padding: EdgeInsets.only(
top: AppElementSizes.paddingRegular * 4 * earlyPercentage,
// horizontal: 16.0,
),
// child: SizedBox(
// same as the image width
// width: imageSize,
child: Text(
Opacity(
opacity: earlyPercentage,
child: Padding(
padding: EdgeInsets.only(
top: AppElementSizes.paddingRegular * 4 * earlyPercentage,
// horizontal: 16.0,
),
// child: SizedBox(
// same as the image width
// width: imageSize,
child: currentChapter == null
? const SizedBox()
: Text(
currentChapter.title,
style: Theme.of(context).textTheme.titleLarge,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
// ),
),
),
// ),
),
),
// the book name and author
Opacity(
@ -232,10 +234,7 @@ class PlayerWhenExpanded extends HookConsumerWidget {
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
// speed control
IconButton(
icon: const Icon(Icons.speed),
onPressed: () {},
),
const PlayerSpeedAdjustButton(),
// sleep timer
IconButton(
icon: const Icon(Icons.timer),
@ -260,6 +259,65 @@ class PlayerWhenExpanded extends HookConsumerWidget {
}
}
class PlayerSpeedAdjustButton extends HookConsumerWidget {
const PlayerSpeedAdjustButton({
super.key,
});
@override
Widget build(BuildContext context, WidgetRef ref) {
final player = ref.watch(audiobookPlayerProvider);
return TextButton(
child: Text('${player.speed}x'),
// icon: const Icon(Icons.speed),
onPressed: () {
showModalBottomSheet(
context: context,
builder: (context) {
return SpeedSelector(
onSpeedSelected: (speed) {
player.setSpeed(speed);
Navigator.of(context).pop();
},
);
},
);
},
);
}
}
class SpeedSelector extends HookConsumerWidget {
const SpeedSelector({
super.key,
required this.onSpeedSelected,
});
final void Function(double speed) onSpeedSelected;
@override
Widget build(BuildContext context, WidgetRef ref) {
final appSettings = ref.watch(appSettingsProvider);
final speeds = appSettings.playerSettings.speedOptions;
final currentSpeed = ref.watch(audiobookPlayerProvider).speed;
return SizedBox(
child: ListView.builder(
itemCount: speeds.length,
itemBuilder: (context, index) {
final speed = speeds[index];
return ListTile(
title: Text(speed.toString()),
onTap: () {
onSpeedSelected(speed);
},
trailing: currentSpeed == speed ? const Icon(Icons.check) : null,
);
},
),
);
}
}
class AudiobookPlayerSeekButton extends HookConsumerWidget {
const AudiobookPlayerSeekButton({
super.key,
@ -301,6 +359,43 @@ class AudiobookPlayerSeekChapterButton extends HookConsumerWidget {
Widget build(BuildContext context, WidgetRef ref) {
final player = ref.watch(audiobookPlayerProvider);
// add a small offset so the display does not show the previous chapter for a split second
const offset = Duration(milliseconds: 10);
/// time into the current chapter to determine if we should go to the previous chapter or the start of the current chapter
const doNotSeekBackIfLessThan = Duration(seconds: 5);
/// seek forward to the next chapter
void seekForward() {
final index = player.book!.chapters.indexOf(player.currentChapter!);
if (index < player.book!.chapters.length - 1) {
player.seek(
player.book!.chapters[index + 1].start + offset,
);
} else {
player.seek(player.currentChapter!.end);
}
}
/// seek backward to the previous chapter or the start of the current chapter
void seekBackward() {
final currentPlayingChapterIndex =
player.book!.chapters.indexOf(player.currentChapter!);
final chapterPosition =
player.positionInBook - player.currentChapter!.start;
BookChapter chapterToSeekTo;
// if player position is less than 5 seconds into the chapter, go to the previous chapter
if (chapterPosition < doNotSeekBackIfLessThan &&
currentPlayingChapterIndex > 0) {
chapterToSeekTo = player.book!.chapters[currentPlayingChapterIndex - 1];
} else {
chapterToSeekTo = player.currentChapter!;
}
player.seek(
chapterToSeekTo.start + offset,
);
}
return IconButton(
icon: Icon(
isForward ? Icons.skip_next : Icons.skip_previous,
@ -310,37 +405,15 @@ class AudiobookPlayerSeekChapterButton extends HookConsumerWidget {
if (player.book == null) {
return;
}
// if chapter does not exist, go to the start or end of the book
if (player.currentChapter == null) {
player.seek(isForward ? player.book!.duration : Duration.zero);
return;
}
if (isForward) {
// instead of seeking to the end of the chapter, go to the next chapter start
// player.seek(player.currentChapter!.end);
final index = player.book!.chapters.indexOf(player.currentChapter!);
if (index < player.book!.chapters.length - 1) {
player.seek(
player.book!.chapters[index + 1].start +
const Duration(
milliseconds: 10,
), // add a small offset so the display does not show the previous chapter for a split second
);
} else {
player.seek(player.currentChapter!.end);
}
seekForward();
} else {
// if player position is less than 5 seconds into the chapter, go to the previous chapter
final chapterPosition =
player.positionInBook - player.currentChapter!.start;
if (chapterPosition < const Duration(seconds: 5)) {
final index = player.book!.chapters.indexOf(player.currentChapter!);
if (index > 0) {
player.seek(
player.book!.chapters[index - 1].start +
const Duration(milliseconds: 10),
);
}
} else {
player.seek(
player.currentChapter!.start + const Duration(milliseconds: 10),
);
}
seekBackward();
}
},
);