mangayomi-mirror/lib/views/manga/reader/manga_reader_view.dart
kodjodevf 91a68c84d3 *
2023-04-10 18:19:34 +01:00

1126 lines
44 KiB
Dart

// ignore_for_file: unnecessary_string_escapes, depend_on_referenced_packages
import 'dart:async';
import 'dart:math';
import 'dart:ui' as ui;
import 'dart:io';
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/models/manga_reader.dart';
import 'package:mangayomi/services/get_manga_chapter_url.dart';
import 'package:mangayomi/utils/image_detail_info.dart';
import 'package:mangayomi/utils/media_query.dart';
import 'package:mangayomi/views/manga/reader/image_view_horizontal.dart';
import 'package:mangayomi/views/manga/reader/image_view_vertical.dart';
import 'package:mangayomi/views/manga/reader/providers/reader_controller_provider.dart';
import 'package:modal_bottom_sheet/modal_bottom_sheet.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';
import 'package:collection/collection.dart';
class MangaReaderView extends ConsumerWidget {
final MangaReaderModel mangaReaderModel;
const MangaReaderView({
super.key,
required this.mangaReaderModel,
});
@override
Widget build(BuildContext context, WidgetRef ref) {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky,
overlays: []);
final chapterData = ref.watch(GetMangaChapterUrlProvider(
modelManga: mangaReaderModel.modelManga,
index: mangaReaderModel.index,
));
final readerController = ref.read(
readerControllerProvider(mangaReaderModel: mangaReaderModel).notifier);
return chapterData.when(
data: (data) {
return MangaChapterPageGallery(
path: data.path!,
url: data.urll,
readerController: readerController,
);
},
error: (error, stackTrace) => Scaffold(
backgroundColor: Theme.of(context).scaffoldBackgroundColor,
appBar: AppBar(
title: const Text(''),
leading: BackButton(
color: Colors.white,
onPressed: () {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
overlays: SystemUiOverlay.values);
Navigator.pop(context);
},
),
),
body: WillPopScope(
onWillPop: () async {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
overlays: SystemUiOverlay.values);
Navigator.pop(context);
return false;
},
child: Center(
child: Text(error.toString()),
),
),
),
loading: () {
return Scaffold(
backgroundColor: Theme.of(context).scaffoldBackgroundColor,
appBar: AppBar(
title: const Text(''),
leading: BackButton(
color: Colors.white,
onPressed: () {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
overlays: SystemUiOverlay.values);
Navigator.pop(context);
},
),
),
body: WillPopScope(
onWillPop: () async {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
overlays: SystemUiOverlay.values);
Navigator.pop(context);
return false;
},
child: const Center(child: CircularProgressIndicator()),
),
);
},
);
}
}
class MangaChapterPageGallery extends ConsumerStatefulWidget {
const MangaChapterPageGallery(
{super.key,
required this.path,
required this.url,
required this.readerController});
final ReaderController readerController;
final Directory path;
final List url;
@override
ConsumerState createState() {
return _MangaChapterPageGalleryState();
}
}
class _MangaChapterPageGalleryState
extends ConsumerState<MangaChapterPageGallery>
with TickerProviderStateMixin {
late final ItemScrollController _itemScrollController =
ItemScrollController();
late AnimationController _scaleAnimationController;
late Animation<double> _animation;
@override
void dispose() {
_rebuildDetail.close();
_doubleClickAnimationController.dispose();
clearGestureDetailsCache();
super.dispose();
}
@override
void initState() {
_doubleClickAnimationController = AnimationController(
duration: const Duration(milliseconds: 300), vsync: this);
_scaleAnimationController = AnimationController(
duration: const Duration(milliseconds: 300), vsync: this);
_animation = Tween(begin: 1.0, end: 2.0).animate(
CurvedAnimation(curve: Curves.ease, parent: _scaleAnimationController));
_animation.addListener(() => _photoViewController.scale = _animation.value);
_itemPositionsListener.itemPositions.addListener(_readProgressListener);
widget.readerController.setMangaHistoryUpdate();
_initCurrentIndex();
super.initState();
}
_initCurrentIndex() async {
await Future.delayed(const Duration(milliseconds: 1));
widget.readerController.setChapterIndex();
_selectedValue = widget.readerController.getReaderMode();
_axisHive(_selectedValue!, true);
}
void _onPageChanged(int index) {
widget.readerController.setMangaHistoryUpdate();
if (mounted) {
ref
.read(currentIndexProvider(widget.readerController.mangaReaderModel)
.notifier)
.setCurrentIndex(index);
if (_imageDetailY != 0) {
_imageDetailY = 0;
_rebuildDetail.sink.add(_imageDetailY);
}
}
widget.readerController.setPageIndex(index);
}
void _onAddButtonTapped(int ok, bool isPrev, {bool isSlide = false}) {
if (isPrev) {
if (_selectedValue == ReaderMode.verticalContinuous ||
_selectedValue == ReaderMode.webtoon) {
if (ok != -1) {
_itemScrollController.scrollTo(
curve: Curves.ease,
index: ok,
duration: Duration(milliseconds: isSlide ? 2 : 150));
}
} else {
if (ok != -1) {
if (_extendedController.hasClients) {
_extendedController.animateToPage(ok.toInt(),
duration: Duration(milliseconds: isSlide ? 2 : 150),
curve: Curves.ease);
}
}
}
} else {
if (_selectedValue == ReaderMode.verticalContinuous ||
_selectedValue == ReaderMode.webtoon) {
if (widget.readerController.getPageLength() != ok) {
_itemScrollController.scrollTo(
curve: Curves.ease,
index: ok,
duration: Duration(milliseconds: isSlide ? 2 : 150));
}
} else {
if (widget.readerController.getPageLength() != ok) {
if (_extendedController.hasClients) {
_extendedController.animateToPage(ok.toInt(),
duration: Duration(milliseconds: isSlide ? 2 : 150),
curve: Curves.ease);
}
}
}
}
}
List<ItemPosition> _filterAndSortItems(Iterable<ItemPosition> positions) {
positions = positions
.where(
(item) => !(item.itemTrailingEdge < 0 || item.itemLeadingEdge > 1))
.toList();
(positions as List<ItemPosition>).sort((a, b) => a.index - b.index);
return positions;
}
List<ItemPosition> getCurrentVisibleItems() {
return _filterAndSortItems(_itemPositionsListener.itemPositions.value);
}
void _readProgressListener() {
int? firstImageIndex = getCurrentVisibleItems().firstOrNull?.index;
if (firstImageIndex == null) {
return;
}
_recordReadProgress(firstImageIndex);
}
void _recordReadProgress(int index) {
widget.readerController.setMangaHistoryUpdate();
if (mounted) {
ref
.read(currentIndexProvider(widget.readerController.mangaReaderModel)
.notifier)
.setCurrentIndex(index);
}
widget.readerController.setPageIndex(index);
}
ReaderMode? _selectedValue;
bool _isView = false;
double maxScale = 4.1;
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: widget.readerController.getPageIndex(),
shouldIgnorePointerWhenScrolling: false,
);
double get pixelRatio => ui.window.devicePixelRatio;
Size get size => ui.window.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 = widget.readerController.getShowPageNumber();
_axisHive(ReaderMode value, bool isInit) async {
widget.readerController.setReaderMode(value);
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(ref.watch(
currentIndexProvider(widget.readerController.mangaReaderModel)));
}
} 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(ref.watch(
currentIndexProvider(widget.readerController.mangaReaderModel)));
}
} else {
if (mounted) {
setState(() {
_selectedValue = value;
_isReversHorizontal = false;
});
if (isInit) {
await Future.delayed(const Duration(milliseconds: 30));
}
_itemScrollController.scrollTo(
index: ref.watch(
currentIndexProvider(widget.readerController.mangaReaderModel)),
duration: const Duration(milliseconds: 1));
}
}
}
Color colorsBlack(BuildContext context) =>
Theme.of(context).scaffoldBackgroundColor.withOpacity(0.9);
Widget _showMore() {
return Consumer(
builder: (context, ref, child) {
return Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
AnimatedContainer(
height: _isView ? 90 : 0,
curve: Curves.ease,
duration: const Duration(milliseconds: 200),
child: PreferredSize(
preferredSize: Size.fromHeight(_isView ? 90 : 0),
child: AppBar(
leading: BackButton(
color: Colors.white,
onPressed: () {
Navigator.pop(context);
},
),
title: ListTile(
title: SizedBox(
width: mediaWidth(context, 0.7),
child: Text(
'${widget.readerController.getMangaName()} ',
style: const TextStyle(
fontWeight: FontWeight.bold, color: Colors.white),
overflow: TextOverflow.ellipsis,
),
),
subtitle: SizedBox(
width: mediaWidth(context, 0.7),
child: Text(
widget.readerController.getChapterTitle(),
style: const TextStyle(
fontSize: 12,
fontWeight: FontWeight.w400,
color: Colors.white),
overflow: TextOverflow.ellipsis,
),
),
),
actions: [
IconButton(
onPressed: () {}, icon: const Icon(Icons.public)),
],
backgroundColor: colorsBlack(context),
),
),
),
AnimatedContainer(
curve: Curves.ease,
duration: const Duration(milliseconds: 300),
width: mediaWidth(context, 1),
height: _isView ? 108 : 0,
child: Column(
children: [
Row(
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: CircleAvatar(
backgroundColor: colorsBlack(context),
child: IconButton(
onPressed: () {
pushReplacementMangaReaderView(
context: context,
modelManga:
widget.readerController.getModelManga(),
index: widget.readerController
.getChapterIndex() +
1);
},
icon: Transform.scale(
scaleX: 1,
child: Icon(
Icons.skip_previous_rounded,
color: widget.readerController
.getChapterIndex() +
1 !=
widget.readerController
.getModelManga()
.chapterTitle!
.length
? Colors.white
: Colors.grey,
// size: 17,
),
)),
),
),
Flexible(
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 10),
child: Container(
decoration: BoxDecoration(
color: colorsBlack(context),
borderRadius: BorderRadius.circular(25)),
child: SizedBox(
height: 40,
child: Row(
children: [
if (!_isReversHorizontal)
Padding(
padding: const EdgeInsets.only(left: 12),
child: Text(
"${ref.watch(currentIndexProvider(widget.readerController.mangaReaderModel)) + 1} ",
style: const TextStyle(
fontSize: 15.0,
fontWeight: FontWeight.bold,
),
),
),
if (_isReversHorizontal)
Padding(
padding: const EdgeInsets.only(left: 12),
child: Text(
"${widget.readerController.getPageLength()}",
style: const TextStyle(
fontSize: 15.0,
fontWeight: FontWeight.bold,
),
),
),
Flexible(
child: Transform.scale(
scaleX: !_isReversHorizontal ? 1 : -1,
child: Slider(
onChanged: (newValue) {
_onAddButtonTapped(
newValue.toInt(), true,
isSlide: true);
},
divisions: max(
widget.readerController
.getPageLength() -
1,
1),
value: ref
.watch(currentIndexProvider(widget
.readerController
.mangaReaderModel))
.toDouble(),
min: 0,
max: (widget.readerController
.getPageLength() -
1)
.toDouble(),
),
),
),
if (_isReversHorizontal)
Padding(
padding: const EdgeInsets.only(right: 12),
child: Text(
"${ref.watch(currentIndexProvider(widget.readerController.mangaReaderModel)) + 1} ",
style: const TextStyle(
fontSize: 15.0,
fontWeight: FontWeight.bold,
),
),
),
if (!_isReversHorizontal)
Padding(
padding: const EdgeInsets.only(right: 12),
child: Text(
"${widget.readerController.getPageLength()}",
style: const TextStyle(
fontSize: 15.0,
fontWeight: FontWeight.bold,
),
),
),
],
),
),
),
),
),
Padding(
padding: const EdgeInsets.all(8.0),
child: CircleAvatar(
backgroundColor: colorsBlack(context),
child: IconButton(
onPressed: () {
pushReplacementMangaReaderView(
context: context,
modelManga:
widget.readerController.getModelManga(),
index: widget.readerController
.getChapterIndex() -
1);
},
icon: Transform.scale(
scaleX: 1,
child: Icon(
Icons.skip_next_rounded,
color:
widget.readerController.getChapterIndex() !=
0
? Colors.white
: Colors.grey,
// size: 17,
),
),
),
),
),
],
),
Container(
color: colorsBlack(context),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
PopupMenuButton(
color: Colors.black,
child: const Icon(
Icons.app_settings_alt_outlined,
color: Colors.white,
),
onSelected: (value) {
if (mounted) {
setState(() {
_selectedValue = value;
});
}
_axisHive(value, true);
},
itemBuilder: (context) => [
for (var ok in ReaderMode.values)
PopupMenuItem(
value: ok,
child: Row(
children: [
Icon(
Icons.check,
color: _selectedValue == ok
? Colors.white
: Colors.transparent,
),
const SizedBox(
width: 7,
),
Text(
widget.readerController
.getReaderModeValue(ok),
style: const TextStyle(
fontSize: 12,
color: Colors.white,
),
),
],
)),
],
),
IconButton(
onPressed: () {},
icon: const Icon(
Icons.screen_rotation,
color: Colors.white,
),
),
IconButton(
onPressed: () {
_showModalSettings();
},
icon: const Icon(
Icons.settings_rounded,
color: Colors.white,
),
),
],
),
),
],
),
),
],
);
},
);
}
Widget _showPage() {
return Consumer(
builder: (context, ref, child) {
return _isView
? Container()
: _showPagesNumber
? Align(
alignment: Alignment.bottomCenter,
child: Text(
'${ref.watch(currentIndexProvider(widget.readerController.mangaReaderModel)) + 1} / ${widget.readerController.getPageLength()}',
style: const TextStyle(
fontSize: 12.0,
color: Colors.white,
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) {
final currentIndex = ref.watch(
currentIndexProvider(widget.readerController.mangaReaderModel));
return Row(
children: [
/// left region
_isVerticalContinous()
? Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
if (_isReversHorizontal) {
_onAddButtonTapped(currentIndex + 1, false);
} else {
_onAddButtonTapped(currentIndex - 1, true);
}
},
onDoubleTapDown: (TapDownDetails details) {
_toggleScale(details.globalPosition);
},
onDoubleTap: () {},
),
)
: Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
if (_isReversHorizontal) {
_onAddButtonTapped(currentIndex + 1, false);
} else {
_onAddButtonTapped(currentIndex - 1, true);
}
},
),
),
/// center region
_isVerticalContinous()
? Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_isViewFunction();
},
onDoubleTapDown: (TapDownDetails details) {
_toggleScale(details.globalPosition);
},
onDoubleTap: () {},
),
)
: Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_isViewFunction();
},
),
),
/// right region
_isVerticalContinous()
? Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
if (_isReversHorizontal) {
_onAddButtonTapped(currentIndex - 1, true);
} else {
_onAddButtonTapped(currentIndex + 1, false);
}
},
onDoubleTapDown: (TapDownDetails details) {
_toggleScale(details.globalPosition);
},
onDoubleTap: () {},
),
)
: Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
if (_isReversHorizontal) {
_onAddButtonTapped(currentIndex - 1, true);
} else {
_onAddButtonTapped(currentIndex + 1, false);
}
},
),
),
],
);
},
);
}
Widget _gestureTopBottom() {
return Consumer(
builder: (context, ref, child) {
final currentIndex = ref.watch(
currentIndexProvider(widget.readerController.mangaReaderModel));
return Column(
children: [
/// top region
_isVerticalContinous()
? Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_onAddButtonTapped(currentIndex - 1, true);
},
onDoubleTapDown: (TapDownDetails details) {
_toggleScale(details.globalPosition);
},
onDoubleTap: () {},
),
)
: Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_onAddButtonTapped(currentIndex - 1, true);
},
),
),
/// center region
Expanded(flex: 5, child: Container()),
/// bottom region
_isVerticalContinous()
? Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_onAddButtonTapped(currentIndex + 1, false);
},
onDoubleTapDown: (TapDownDetails details) {
_toggleScale(details.globalPosition);
},
onDoubleTap: () {},
),
)
: Expanded(
flex: 2,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
_onAddButtonTapped(currentIndex + 1, 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:
widget.readerController.getPageIndex(),
itemCount: widget.readerController.getPageLength(),
itemScrollController: _itemScrollController,
itemPositionsListener: _itemPositionsListener,
itemBuilder: (context, index) => GestureDetector(
behavior: HitTestBehavior.translucent,
onDoubleTapDown: (TapDownDetails details) {
_toggleScale(details.globalPosition);
},
onDoubleTap: () {},
child: ImageViewVertical(
titleManga: widget.readerController.getMangaName(),
source: widget.readerController.getSourceName(),
index: index,
url: widget.url[index],
path: widget.path,
chapter: widget.readerController.getChapterTitle(),
length: widget.readerController.getPageLength(),
),
),
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(),
canScrollPage: (GestureDetails? gestureDetails) {
return !(gestureDetails!.totalScale! > 1.0);
},
itemBuilder: (BuildContext context, int index) {
return ImageViewHorizontal(
titleManga: widget.readerController.getMangaName(),
source: widget.readerController.getSourceName(),
index: index,
url: widget.url[index],
path: widget.path,
chapter: widget.readerController.getChapterTitle(),
length: widget.readerController.getPageLength(),
loadStateChanged: (ExtendedImageState state) {
if (state.extendedImageLoadState ==
LoadState.loading) {
final ImageChunkEvent? loadingProgress =
state.loadingProgress;
final double? progress =
loadingProgress?.expectedTotalBytes != null
? loadingProgress!.cumulativeBytesLoaded /
loadingProgress.expectedTotalBytes!
: null;
return SizedBox(
height: mediaHeight(context, 0.5),
child: Center(
child: CircularProgressIndicator(
value: 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 Center(
child: 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: false,
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]) {
end = doubleTapScales[1];
} else {
end = doubleTapScales[0];
}
_doubleClickAnimationListener = () {
//print(_animation.value);
state.handleDoubleTap(
scale: _doubleClickAnimation!.value,
doubleTapPosition: pointerDownPosition);
};
_doubleClickAnimation =
_doubleClickAnimationController.drive(
Tween<double>(begin: begin, end: end));
_doubleClickAnimation!
.addListener(_doubleClickAnimationListener);
_doubleClickAnimationController.forward();
},
);
},
itemCount: widget.readerController.getPageLength(),
onPageChanged: _onPageChanged)),
_gestureRightLeft(),
_gestureTopBottom(),
_showMore(),
_showPage(),
],
),
);
}
_showModalSettings() {
showMaterialModalBottomSheet(
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(5), topRight: Radius.circular(5))),
enableDrag: true,
expand: false,
context: context,
backgroundColor: Colors.transparent,
builder: (context) => SizedBox(
height: mediaHeight(context, 0.4),
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),
),
),
Container(height: 0.1, color: Colors.white),
Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: [
Row(
children: [
const Text('Show Page Number'),
const Spacer(),
Switch(
value: _showPagesNumber,
onChanged: (value) {
setState(() {
_showPagesNumber = value;
});
widget.readerController
.setShowPageNumber(value);
},
),
],
),
],
),
)
],
),
);
})),
);
}
}