mangayomi/lib/modules/local_reader/reader/local_reader_reader_view.dart

938 lines
36 KiB
Dart

import 'dart:async';
import 'dart:math';
import 'package:draggable_menu/draggable_menu.dart';
import 'package:extended_image/extended_image.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter/material.dart';
import 'package:mangayomi/main.dart';
import 'package:mangayomi/models/settings.dart';
import 'package:mangayomi/modules/local_reader/models/models.dart';
import 'package:mangayomi/utils/image_detail_info.dart';
import 'package:mangayomi/utils/media_query.dart';
import 'package:mangayomi/modules/manga/reader/widgets/circular_progress_indicator_animate_rotate.dart';
import 'package:mangayomi/modules/more/settings/reader/reader_screen.dart';
import 'package:photo_view/photo_view.dart';
import 'package:photo_view/photo_view_gallery.dart';
import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
typedef DoubleClickAnimationListener = void Function();
class LocalReaderReaderView extends ConsumerWidget {
final LocalArchive localArchive;
const LocalReaderReaderView({
super.key,
required this.localArchive,
});
@override
Widget build(BuildContext context, WidgetRef ref) {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky,
overlays: []);
return MangaChapterPageGallery(localArchive: localArchive);
}
}
class MangaChapterPageGallery extends ConsumerStatefulWidget {
const MangaChapterPageGallery({super.key, required this.localArchive});
final LocalArchive localArchive;
@override
ConsumerState createState() {
return _MangaChapterPageGalleryState();
}
}
class _MangaChapterPageGalleryState
extends ConsumerState<MangaChapterPageGallery>
with TickerProviderStateMixin {
late final ItemScrollController _itemScrollController =
ItemScrollController();
late AnimationController _scaleAnimationController;
late Animation<double> _animation;
late int _currentIndex = 0;
@override
void dispose() {
_rebuildDetail.close();
_doubleClickAnimationController.dispose();
clearGestureDetailsCache();
super.dispose();
}
bool animatePageTransitions =
isar.settings.getSync(227)!.animatePageTransitions!;
Duration? _doubleTapAnimationDuration() {
int doubleTapAnimationValue =
isar.settings.getSync(227)!.doubleTapAnimationSpeed!;
if (doubleTapAnimationValue == 0) {
return const Duration(milliseconds: 10);
} else if (doubleTapAnimationValue == 1) {
return const Duration(milliseconds: 800);
}
return const Duration(milliseconds: 200);
}
Future setIndex(int index) async {
setState(() {
_currentIndex = index;
});
}
@override
void initState() {
_doubleClickAnimationController = AnimationController(
duration: _doubleTapAnimationDuration(), vsync: this);
_scaleAnimationController = AnimationController(
duration: _doubleTapAnimationDuration(), vsync: this);
_animation = Tween(begin: 1.0, end: 2.0).animate(
CurvedAnimation(curve: Curves.ease, parent: _scaleAnimationController));
_animation.addListener(() => _photoViewController.scale = _animation.value);
_initCurrentIndex();
_itemPositionsListener.itemPositions.addListener(_readProgressListener);
super.initState();
}
_readProgressListener() {
var posIndex = _itemPositionsListener.itemPositions.value.first.index;
if (posIndex >= 0 && posIndex < widget.localArchive.images!.length) {
if (_currentIndex != posIndex) {
setState(() {
_currentIndex = posIndex;
});
}
}
}
_initCurrentIndex() async {
await Future.delayed(const Duration(milliseconds: 1));
_selectedValue = ReaderMode.vertical;
_(_selectedValue!, true);
}
void _onPageChanged(int index) {
setState(() {
_currentIndex = index;
});
if (_imageDetailY != 0) {
_imageDetailY = 0;
_rebuildDetail.sink.add(_imageDetailY);
}
}
void _onBtnTapped(int index, bool isPrev, {bool isSlide = false}) {
if (isPrev) {
if (_selectedValue == ReaderMode.verticalContinuous ||
_selectedValue == ReaderMode.webtoon) {
if (index != -1) {
if (isSlide) {
_itemScrollController.jumpTo(
index: index,
);
} else {
animatePageTransitions
? _itemScrollController.scrollTo(
curve: Curves.ease,
index: index,
duration: Duration(milliseconds: isSlide ? 2 : 150))
: _itemScrollController.jumpTo(
index: index,
);
}
}
} else {
if (index != -1) {
if (_extendedController.hasClients) {
setState(() {
_isZoom = false;
});
animatePageTransitions
? _extendedController.animateToPage(index,
duration: Duration(milliseconds: isSlide ? 2 : 150),
curve: Curves.ease)
: _extendedController.jumpToPage(index);
}
}
}
} else {
if (_selectedValue == ReaderMode.verticalContinuous ||
_selectedValue == ReaderMode.webtoon) {
if (widget.localArchive.images!.length != index) {
if (isSlide) {
_itemScrollController.jumpTo(
index: index,
);
} else {
animatePageTransitions
? _itemScrollController.scrollTo(
curve: Curves.ease,
index: index,
duration: Duration(milliseconds: isSlide ? 2 : 150))
: _itemScrollController.jumpTo(
index: index,
);
}
}
} else {
if (widget.localArchive.images!.length != index) {
if (_extendedController.hasClients) {
setState(() {
_isZoom = false;
});
animatePageTransitions
? _extendedController.animateToPage(index,
duration: Duration(milliseconds: isSlide ? 2 : 150),
curve: Curves.ease)
: _extendedController.jumpToPage(index);
}
}
}
}
}
ReaderMode? _selectedValue;
bool _isView = false;
Alignment _scalePosition = Alignment.center;
final PhotoViewController _photoViewController = PhotoViewController();
final PhotoViewScaleStateController _photoViewScaleStateController =
PhotoViewScaleStateController();
final ItemPositionsListener _itemPositionsListener =
ItemPositionsListener.create();
void _onScaleEnd(BuildContext context, ScaleEndDetails details,
PhotoViewControllerValue controllerValue) {
if (controllerValue.scale! < 1) {
_photoViewScaleStateController.reset();
}
}
late final _extendedController = ExtendedPageController(
initialPage: _currentIndex,
shouldIgnorePointerWhenScrolling: false,
);
double get pixelRatio => View.of(context).devicePixelRatio;
Size get size => View.of(context).physicalSize / pixelRatio;
Alignment _computeAlignmentByTapOffset(Offset offset) {
return Alignment((offset.dx - size.width / 2) / (size.width / 2),
(offset.dy - size.height / 2) / (size.height / 2));
}
void _toggleScale(Offset tapPosition) {
setState(() {
if (_scaleAnimationController.isAnimating) {
return;
}
if (_photoViewController.scale == 1.0) {
_scalePosition = _computeAlignmentByTapOffset(tapPosition);
if (_scaleAnimationController.isCompleted) {
_scaleAnimationController.reset();
}
_scaleAnimationController.forward();
return;
}
if (_photoViewController.scale == 2.0) {
_scaleAnimationController.reverse();
return;
}
_photoViewScaleStateController.reset();
});
}
Axis _scrollDirection = Axis.vertical;
bool _isReversHorizontal = false;
late bool _showPagesNumber = true;
_(ReaderMode value, bool isInit) async {
if (value == ReaderMode.vertical) {
if (mounted) {
setState(() {
_selectedValue = value;
_scrollDirection = Axis.vertical;
_isReversHorizontal = false;
});
if (isInit) {
await Future.delayed(const Duration(milliseconds: 30));
}
_extendedController.jumpToPage(_currentIndex);
}
} else if (value == ReaderMode.ltr || value == ReaderMode.rtl) {
if (mounted) {
setState(() {
if (value == ReaderMode.rtl) {
_isReversHorizontal = true;
} else {
_isReversHorizontal = false;
}
_selectedValue = value;
_scrollDirection = Axis.horizontal;
});
if (isInit) {
await Future.delayed(const Duration(milliseconds: 30));
}
_extendedController.jumpToPage(_currentIndex);
}
} else {
if (mounted) {
setState(() {
_selectedValue = value;
_isReversHorizontal = false;
});
if (isInit) {
await Future.delayed(const Duration(milliseconds: 30));
}
_itemScrollController.scrollTo(
index: _currentIndex, duration: const Duration(milliseconds: 1));
}
}
}
Color _backgroundColor(BuildContext context) =>
Theme.of(context).scaffoldBackgroundColor.withOpacity(0.9);
Widget _showMore() {
return Consumer(
builder: (context, ref, child) {
final currentIndex = _currentIndex;
return Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
AnimatedContainer(
height: _isView ? 80 : 0,
curve: Curves.ease,
duration: const Duration(milliseconds: 200),
child: PreferredSize(
preferredSize: Size.fromHeight(_isView ? 80 : 0),
child: AppBar(
centerTitle: false,
automaticallyImplyLeading: false,
titleSpacing: 0,
leading: BackButton(
onPressed: () {
Navigator.pop(context);
},
),
title: ListTile(
dense: true,
title: SizedBox(
width: mediaWidth(context, 0.8),
child: Text(
'${widget.localArchive.name} ',
style: const TextStyle(fontWeight: FontWeight.bold),
overflow: TextOverflow.ellipsis,
),
),
subtitle: SizedBox(
width: mediaWidth(context, 0.8),
child: const Text(
"",
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w400,
),
overflow: TextOverflow.ellipsis,
),
),
),
backgroundColor: _backgroundColor(context),
),
),
),
AnimatedContainer(
curve: Curves.ease,
duration: const Duration(milliseconds: 300),
width: mediaWidth(context, 1),
height: _isView ? 130 : 0,
child: Column(
children: [
Flexible(
child: Row(
children: [
Expanded(
child: Transform.scale(
scaleX: !_isReversHorizontal ? 1 : -1,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 10),
child: Container(
height: 70,
decoration: BoxDecoration(
color: _backgroundColor(context),
borderRadius: BorderRadius.circular(25)),
child: Row(
children: [
Padding(
padding: const EdgeInsets.only(left: 12),
child: Transform.scale(
scaleX: !_isReversHorizontal ? 1 : -1,
child: SizedBox(
width: 25,
child: Text(
"${currentIndex + 1} ",
style: const TextStyle(
fontSize: 15.0,
fontWeight: FontWeight.bold,
),
),
),
),
),
Flexible(
child: Slider(
onChanged: (newValue) {
_onBtnTapped(newValue.toInt(), true,
isSlide: true);
},
divisions: max(
widget.localArchive.images!.length -
1,
1),
value: min(
_currentIndex.toDouble(),
widget.localArchive.images!.length
.toDouble()),
min: 0,
max: (widget.localArchive.images!
.length -
1)
.toDouble(),
),
),
Padding(
padding: const EdgeInsets.only(right: 12),
child: Transform.scale(
scaleX: !_isReversHorizontal ? 1 : -1,
child: SizedBox(
width: 25,
child: Text(
"${widget.localArchive.images!.length}",
style: const TextStyle(
fontSize: 15.0,
fontWeight: FontWeight.bold,
),
),
),
),
),
],
),
),
),
),
),
],
),
),
Flexible(
child: Container(
height: 65,
color: _backgroundColor(context),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
PopupMenuButton(
color: Colors.black,
child: const Icon(
Icons.app_settings_alt_outlined,
),
onSelected: (value) {
if (mounted) {
setState(() {
_selectedValue = value;
});
}
_(value, true);
},
itemBuilder: (context) => [
for (var readerMode in ReaderMode.values)
PopupMenuItem(
value: readerMode,
child: Row(
children: [
Icon(
Icons.check,
color: _selectedValue == readerMode
? Colors.white
: Colors.transparent,
),
const SizedBox(
width: 7,
),
Text(
getReaderModeName(readerMode),
style: const TextStyle(
color: Colors.white,
fontSize: 12,
),
),
],
)),
],
),
IconButton(
onPressed: () {},
icon: const Icon(
Icons.screen_rotation,
),
),
IconButton(
onPressed: () {
_showModalSettings();
},
icon: const Icon(
Icons.settings_rounded,
),
),
],
),
),
),
],
),
),
],
);
},
);
}
Widget _showPage() {
return Consumer(
builder: (context, ref, child) {
final currentIndex = _currentIndex;
return _isView
? Container()
: _showPagesNumber
? Align(
alignment: Alignment.bottomCenter,
child: Text(
'${currentIndex + 1} / ${widget.localArchive.images!.length}',
style: const TextStyle(
color: Colors.white,
fontSize: 12.0,
shadows: <Shadow>[
Shadow(offset: Offset(0.0, 0.0), blurRadius: 10.0)
],
),
textAlign: TextAlign.center,
),
)
: Container();
},
);
}
_isViewFunction() {
if (mounted) {
setState(() {
_isView = !_isView;
});
}
if (_isView) {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
overlays: SystemUiOverlay.values);
} else {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky,
overlays: []);
}
}
Widget _gestureRightLeft() {
return Consumer(
builder: (context, ref, child) {
return Row(
children: [
/// left region
Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
if (_isReversHorizontal) {
_onBtnTapped(_currentIndex + 1, false);
} else {
_onBtnTapped(_currentIndex - 1, true);
}
},
onDoubleTapDown: _isVerticalContinous()
? (TapDownDetails details) {
_toggleScale(details.globalPosition);
}
: null,
onDoubleTap: _isVerticalContinous() ? () {} : null,
),
),
/// center region
Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_isViewFunction();
},
onDoubleTapDown: _isVerticalContinous()
? (TapDownDetails details) {
_toggleScale(details.globalPosition);
}
: null,
onDoubleTap: _isVerticalContinous() ? () {} : null,
),
),
/// right region
Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
if (_isReversHorizontal) {
_onBtnTapped(_currentIndex - 1, true);
} else {
_onBtnTapped(_currentIndex + 1, false);
}
},
onDoubleTapDown: _isVerticalContinous()
? (TapDownDetails details) {
_toggleScale(details.globalPosition);
}
: null,
onDoubleTap: _isVerticalContinous() ? () {} : null,
),
),
],
);
},
);
}
Widget _gestureTopBottom() {
return Consumer(
builder: (context, ref, child) {
return Column(
children: [
/// top region
Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_onBtnTapped(_currentIndex - 1, true);
},
onDoubleTapDown: _isVerticalContinous()
? (TapDownDetails details) {
_toggleScale(details.globalPosition);
}
: null,
onDoubleTap: _isVerticalContinous() ? () {} : null,
),
),
/// center region
Expanded(flex: 5, child: Container()),
/// bottom region
Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_onBtnTapped(_currentIndex + 1, false);
},
onDoubleTapDown: _isVerticalContinous()
? (TapDownDetails details) {
_toggleScale(details.globalPosition);
}
: null,
onDoubleTap: _isVerticalContinous() ? () {} : null,
),
),
],
);
},
);
}
bool _isZoom = false;
bool _isVerticalContinous() {
return _selectedValue == ReaderMode.verticalContinuous ||
_selectedValue == ReaderMode.webtoon;
}
final StreamController<double> _rebuildDetail =
StreamController<double>.broadcast();
final Map<int, ImageDetailInfo> detailKeys = <int, ImageDetailInfo>{};
late AnimationController _doubleClickAnimationController;
Animation<double>? _doubleClickAnimation;
late DoubleClickAnimationListener _doubleClickAnimationListener;
List<double> doubleTapScales = <double>[1.0, 2.0];
GlobalKey<ExtendedImageSlidePageState> slidePagekey =
GlobalKey<ExtendedImageSlidePageState>();
double _imageDetailY = 0;
@override
Widget build(BuildContext context) {
return WillPopScope(
onWillPop: () async {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
overlays: SystemUiOverlay.values);
Navigator.pop(context);
return false;
},
child: Stack(
children: [
_isVerticalContinous()
? PhotoViewGallery.builder(
itemCount: 1,
builder: (_, __) => PhotoViewGalleryPageOptions.customChild(
controller: _photoViewController,
scaleStateController: _photoViewScaleStateController,
basePosition: _scalePosition,
onScaleEnd: _onScaleEnd,
child: ScrollablePositionedList.separated(
physics: const ClampingScrollPhysics(),
minCacheExtent: 8 * (MediaQuery.of(context).size.height),
initialScrollIndex: _currentIndex,
itemCount: widget.localArchive.images!.length,
itemScrollController: _itemScrollController,
itemPositionsListener: _itemPositionsListener,
itemBuilder: (context, index) => GestureDetector(
behavior: HitTestBehavior.translucent,
onDoubleTapDown: (TapDownDetails details) {
_toggleScale(details.globalPosition);
},
onDoubleTap: () {},
child: Image.memory(
widget.localArchive.images![index].image!)),
separatorBuilder: (_, __) => Divider(
color: Colors.black,
height: _selectedValue == ReaderMode.webtoon ? 0 : 6),
),
),
)
: Material(
color: Colors.black,
shadowColor: Colors.black,
child: ExtendedImageGesturePageView.builder(
controller: _extendedController,
scrollDirection: _scrollDirection,
reverse: _isReversHorizontal,
physics: const ClampingScrollPhysics(),
preloadPagesCount:
_isZoom ? 0 : widget.localArchive.images!.length,
canScrollPage: (GestureDetails? gestureDetails) {
return gestureDetails != null
? !(gestureDetails.totalScale! > 1.0)
: true;
},
itemBuilder: (BuildContext context, int index) {
return ExtendedImage.memory(
widget.localArchive.images![index].image!,
clearMemoryCacheWhenDispose: true,
enableMemoryCache: false,
mode: ExtendedImageMode.gesture,
loadStateChanged: (ExtendedImageState state) {
if (state.extendedImageLoadState ==
LoadState.loading) {
final ImageChunkEvent? loadingProgress =
state.loadingProgress;
final double progress =
loadingProgress?.expectedTotalBytes != null
? loadingProgress!.cumulativeBytesLoaded /
loadingProgress.expectedTotalBytes!
: 0;
return Container(
color: Colors.black,
height: mediaHeight(context, 0.8),
child: CircularProgressIndicatorAnimateRotate(
progress: progress),
);
}
if (state.extendedImageLoadState ==
LoadState.completed) {
return StreamBuilder<double>(
builder: (BuildContext context,
AsyncSnapshot<double> data) {
return ExtendedImageGesture(
state,
canScaleImage: (_) => _imageDetailY == 0,
imageBuilder: (Widget image) {
return Stack(
children: <Widget>[
Positioned.fill(
top: _imageDetailY,
bottom: -_imageDetailY,
child: image,
),
],
);
},
);
},
initialData: _imageDetailY,
stream: _rebuildDetail.stream,
);
}
if (state.extendedImageLoadState ==
LoadState.failed) {
return Container(
color: Colors.black,
height: mediaHeight(context, 0.8),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
ElevatedButton(
onPressed: () {
state.reLoadImage();
},
child: const Icon(
Icons.replay_outlined,
size: 30,
)),
],
));
}
return Container();
},
initGestureConfigHandler: (ExtendedImageState state) {
double? initialScale = 1.0;
final size = MediaQuery.of(context).size;
if (state.extendedImageInfo != null) {
initialScale = initScale(
size: size,
initialScale: initialScale,
imageSize: Size(
state.extendedImageInfo!.image.width
.toDouble(),
state.extendedImageInfo!.image.height
.toDouble()));
}
return GestureConfig(
inertialSpeed: 200,
inPageView: true,
initialScale: initialScale!,
maxScale: 8,
animationMaxScale: 8,
initialAlignment: InitialAlignment.center,
cacheGesture: true,
hitTestBehavior: HitTestBehavior.translucent,
);
},
onDoubleTap: (ExtendedImageGestureState state) {
final Offset? pointerDownPosition =
state.pointerDownPosition;
final double? begin =
state.gestureDetails!.totalScale;
double end;
//remove old
_doubleClickAnimation
?.removeListener(_doubleClickAnimationListener);
//stop pre
_doubleClickAnimationController.stop();
//reset to use
_doubleClickAnimationController.reset();
if (begin == doubleTapScales[0]) {
setState(() {
_isZoom = true;
});
end = doubleTapScales[1];
} else {
setState(() {
_isZoom = false;
});
end = doubleTapScales[0];
}
_doubleClickAnimationListener = () {
state.handleDoubleTap(
scale: _doubleClickAnimation!.value,
doubleTapPosition: pointerDownPosition);
};
_doubleClickAnimation = Tween(
begin: begin, end: end)
.animate(CurvedAnimation(
curve: Curves.ease,
parent: _doubleClickAnimationController));
_doubleClickAnimation!
.addListener(_doubleClickAnimationListener);
_doubleClickAnimationController.forward();
},
);
},
itemCount: widget.localArchive.images!.length,
onPageChanged: _onPageChanged)),
_gestureRightLeft(),
_gestureTopBottom(),
_showMore(),
_showPage(),
],
),
);
}
_showModalSettings() {
DraggableMenu.open(
context,
DraggableMenu(
ui: ClassicDraggableMenu(barItem: Container()),
expandable: false,
maxHeight: mediaHeight(context, 0.4),
fastDrag: false,
minimizeBeforeFastDrag: false,
child: StatefulBuilder(
builder: (context, setState) {
return Scaffold(
body: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SizedBox(
height: 10,
),
const Padding(
padding: EdgeInsets.all(8.0),
child: Text(
'Settings',
style: TextStyle(
fontSize: 17, fontWeight: FontWeight.bold),
),
),
const Divider(),
Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: [
SwitchListTile(
dense: true,
title: const Text('Show Page Number'),
value: _showPagesNumber,
onChanged: (value) {
setState(() {
_showPagesNumber = value;
});
},
),
],
),
)
],
),
);
},
)));
}
}