aves/lib/widgets/viewer/overlay/bottom/common.dart

466 lines
16 KiB
Dart

import 'dart:math';
import 'package:aves/model/entry.dart';
import 'package:aves/model/metadata/overlay.dart';
import 'package:aves/model/multipage.dart';
import 'package:aves/model/settings/coordinate_format.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/services/common/services.dart';
import 'package:aves/theme/durations.dart';
import 'package:aves/theme/format.dart';
import 'package:aves/theme/icons.dart';
import 'package:aves/utils/constants.dart';
import 'package:aves/widgets/common/extensions/build_context.dart';
import 'package:aves/widgets/common/extensions/media_query.dart';
import 'package:aves/widgets/common/fx/blurred.dart';
import 'package:aves/widgets/viewer/multipage/controller.dart';
import 'package:aves/widgets/viewer/overlay/bottom/multipage.dart';
import 'package:aves/widgets/viewer/overlay/common.dart';
import 'package:aves/widgets/viewer/page_entry_builder.dart';
import 'package:decorated_icon/decorated_icon.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:tuple/tuple.dart';
class ViewerBottomOverlay extends StatefulWidget {
final List<AvesEntry> entries;
final int index;
final bool showPosition;
final EdgeInsets? viewInsets, viewPadding;
final MultiPageController? multiPageController;
const ViewerBottomOverlay({
Key? key,
required this.entries,
required this.index,
required this.showPosition,
this.viewInsets,
this.viewPadding,
required this.multiPageController,
}) : super(key: key);
@override
State<StatefulWidget> createState() => _ViewerBottomOverlayState();
}
class _ViewerBottomOverlayState extends State<ViewerBottomOverlay> {
late Future<OverlayMetadata?> _detailLoader;
AvesEntry? _lastEntry;
OverlayMetadata? _lastDetails;
AvesEntry? get entry {
final entries = widget.entries;
final index = widget.index;
return index < entries.length ? entries[index] : null;
}
MultiPageController? get multiPageController => widget.multiPageController;
@override
void initState() {
super.initState();
_initDetailLoader();
}
@override
void didUpdateWidget(covariant ViewerBottomOverlay oldWidget) {
super.didUpdateWidget(oldWidget);
if (entry != _lastEntry) {
_initDetailLoader();
}
}
void _initDetailLoader() {
final requestEntry = entry;
_detailLoader = requestEntry != null ? metadataFetchService.getOverlayMetadata(requestEntry) : SynchronousFuture(null);
}
@override
Widget build(BuildContext context) {
final hasEdgeContent = settings.showOverlayInfo || multiPageController != null;
final blurred = settings.enableOverlayBlurEffect;
return BlurredRect(
enabled: hasEdgeContent && blurred,
child: Selector<MediaQueryData, Tuple3<double, EdgeInsets, EdgeInsets>>(
selector: (context, mq) => Tuple3(mq.size.width, mq.viewInsets, mq.viewPadding),
builder: (context, mq, child) {
final mqWidth = mq.item1;
final mqViewInsets = mq.item2;
final mqViewPadding = mq.item3;
final viewInsets = widget.viewInsets ?? mqViewInsets;
final viewPadding = widget.viewPadding ?? mqViewPadding;
final availableWidth = mqWidth - viewPadding.horizontal;
return Selector<MediaQueryData, double>(
selector: (context, mq) => max(mq.effectiveBottomPadding, mq.systemGestureInsets.bottom),
builder: (context, mqPaddingBottom, child) {
return Container(
color: hasEdgeContent ? overlayBackgroundColor(blurred: blurred) : Colors.transparent,
padding: EdgeInsets.only(
left: max(viewInsets.left, viewPadding.left),
top: 0,
right: max(viewInsets.right, viewPadding.right),
bottom: mqPaddingBottom,
),
child: child,
);
},
child: FutureBuilder<OverlayMetadata?>(
future: _detailLoader,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.done && !snapshot.hasError) {
_lastDetails = snapshot.data;
_lastEntry = entry;
}
if (_lastEntry == null) return const SizedBox();
final mainEntry = _lastEntry!;
Widget _buildContent({AvesEntry? pageEntry}) => _BottomOverlayContent(
mainEntry: mainEntry,
pageEntry: pageEntry ?? mainEntry,
details: _lastDetails,
position: widget.showPosition ? '${widget.index + 1}/${widget.entries.length}' : null,
availableWidth: availableWidth,
multiPageController: multiPageController,
);
return multiPageController != null
? PageEntryBuilder(
multiPageController: multiPageController!,
builder: (pageEntry) => _buildContent(pageEntry: pageEntry),
)
: _buildContent();
},
),
);
},
),
);
}
}
const double _iconPadding = 8.0;
const double _iconSize = 16.0;
const double _interRowPadding = 2.0;
const double _subRowMinWidth = 300.0;
class _BottomOverlayContent extends AnimatedWidget {
final AvesEntry mainEntry, pageEntry;
final OverlayMetadata? details;
final String? position;
final double availableWidth;
final MultiPageController? multiPageController;
static const infoPadding = EdgeInsets.symmetric(vertical: 4, horizontal: 8);
_BottomOverlayContent({
Key? key,
required this.mainEntry,
required this.pageEntry,
this.details,
this.position,
required this.availableWidth,
this.multiPageController,
}) : super(
key: key,
listenable: Listenable.merge([
mainEntry.metadataChangeNotifier,
pageEntry.metadataChangeNotifier,
]),
);
@override
Widget build(BuildContext context) {
return DefaultTextStyle(
style: Theme.of(context).textTheme.bodyText2!.copyWith(
shadows: Constants.embossShadows,
),
softWrap: false,
overflow: TextOverflow.fade,
maxLines: 1,
child: SizedBox(
width: availableWidth,
child: Selector<MediaQueryData, Orientation>(
selector: (context, mq) => mq.orientation,
builder: (context, orientation, child) {
Widget? infoColumn;
if (settings.showOverlayInfo) {
infoColumn = _buildInfoColumn(context, orientation);
}
if (mainEntry.isMultiPage && multiPageController != null) {
infoColumn = Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
MultiPageOverlay(
controller: multiPageController!,
availableWidth: availableWidth,
),
if (infoColumn != null) infoColumn,
],
);
}
return infoColumn ?? const SizedBox();
},
),
),
);
}
Widget _buildInfoColumn(BuildContext context, Orientation orientation) {
final infoMaxWidth = availableWidth - infoPadding.horizontal;
final twoColumns = orientation == Orientation.landscape && infoMaxWidth / 2 > _subRowMinWidth;
final subRowWidth = twoColumns ? min(_subRowMinWidth, infoMaxWidth / 2) : infoMaxWidth;
final positionTitle = _PositionTitleRow(entry: pageEntry, collectionPosition: position, multiPageController: multiPageController);
final hasShootingDetails = details != null && !details!.isEmpty && settings.showOverlayShootingDetails;
final animationDuration = context.select<DurationsData, Duration>((v) => v.viewerOverlayChangeAnimation);
return Padding(
padding: infoPadding,
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (positionTitle.isNotEmpty) positionTitle,
_buildSoloLocationRow(animationDuration),
if (twoColumns)
Padding(
padding: const EdgeInsets.only(top: _interRowPadding),
child: Row(
children: [
SizedBox(
width: subRowWidth,
child: _DateRow(
entry: pageEntry,
multiPageController: multiPageController,
)),
_buildDuoShootingRow(subRowWidth, hasShootingDetails, animationDuration),
],
),
)
else ...[
Container(
padding: const EdgeInsets.only(top: _interRowPadding),
width: subRowWidth,
child: _DateRow(
entry: pageEntry,
multiPageController: multiPageController,
),
),
_buildSoloShootingRow(subRowWidth, hasShootingDetails, animationDuration),
],
],
),
);
}
Widget _buildSoloLocationRow(Duration animationDuration) => AnimatedSwitcher(
duration: animationDuration,
switchInCurve: Curves.easeInOutCubic,
switchOutCurve: Curves.easeInOutCubic,
transitionBuilder: _soloTransition,
child: pageEntry.hasGps
? Container(
padding: const EdgeInsets.only(top: _interRowPadding),
child: _LocationRow(entry: pageEntry),
)
: const SizedBox(),
);
Widget _buildSoloShootingRow(double subRowWidth, bool hasShootingDetails, Duration animationDuration) => AnimatedSwitcher(
duration: animationDuration,
switchInCurve: Curves.easeInOutCubic,
switchOutCurve: Curves.easeInOutCubic,
transitionBuilder: _soloTransition,
child: hasShootingDetails
? Container(
padding: const EdgeInsets.only(top: _interRowPadding),
width: subRowWidth,
child: _ShootingRow(details!),
)
: const SizedBox(),
);
Widget _buildDuoShootingRow(double subRowWidth, bool hasShootingDetails, Duration animationDuration) => AnimatedSwitcher(
duration: animationDuration,
switchInCurve: Curves.easeInOutCubic,
switchOutCurve: Curves.easeInOutCubic,
transitionBuilder: (child, animation) => FadeTransition(
opacity: animation,
child: child,
),
child: hasShootingDetails
? SizedBox(
width: subRowWidth,
child: _ShootingRow(details!),
)
: const SizedBox(),
);
static Widget _soloTransition(Widget child, Animation<double> animation) => FadeTransition(
opacity: animation,
child: SizeTransition(
axisAlignment: 1,
sizeFactor: animation,
child: child,
),
);
}
class _LocationRow extends AnimatedWidget {
final AvesEntry entry;
_LocationRow({
Key? key,
required this.entry,
}) : super(key: key, listenable: entry.addressChangeNotifier);
@override
Widget build(BuildContext context) {
final location = entry.hasAddress ? entry.shortAddress : settings.coordinateFormat.format(entry.latLng!);
return Row(
children: [
const DecoratedIcon(AIcons.location, shadows: Constants.embossShadows, size: _iconSize),
const SizedBox(width: _iconPadding),
Expanded(child: Text(location, strutStyle: Constants.overflowStrutStyle)),
],
);
}
}
class _PositionTitleRow extends StatelessWidget {
final AvesEntry entry;
final String? collectionPosition;
final MultiPageController? multiPageController;
const _PositionTitleRow({
required this.entry,
required this.collectionPosition,
required this.multiPageController,
});
String? get title => entry.bestTitle;
bool get isNotEmpty => collectionPosition != null || multiPageController != null || title != null;
static const separator = '';
@override
Widget build(BuildContext context) {
Text toText({String? pagePosition}) => Text(
[
if (collectionPosition != null) collectionPosition,
if (pagePosition != null) pagePosition,
if (title != null) title,
].join(separator),
strutStyle: Constants.overflowStrutStyle);
if (multiPageController == null) return toText();
return StreamBuilder<MultiPageInfo?>(
stream: multiPageController!.infoStream,
builder: (context, snapshot) {
final multiPageInfo = multiPageController!.info;
String? pagePosition;
if (multiPageInfo != null) {
// page count may be 0 when we know an entry to have multiple pages
// but fail to get information about these pages
final pageCount = multiPageInfo.pageCount;
if (pageCount > 0) {
final page = multiPageInfo.getById(entry.pageId ?? entry.contentId) ?? multiPageInfo.defaultPage;
pagePosition = '${(page?.index ?? 0) + 1}/$pageCount';
}
}
return toText(pagePosition: pagePosition);
},
);
}
}
class _DateRow extends StatelessWidget {
final AvesEntry entry;
final MultiPageController? multiPageController;
const _DateRow({
required this.entry,
required this.multiPageController,
});
@override
Widget build(BuildContext context) {
final locale = context.l10n.localeName;
final date = entry.bestDate;
final dateText = date != null ? formatDateTime(date, locale) : Constants.overlayUnknown;
final resolutionText = entry.isSvg
? entry.aspectRatioText
: entry.isSized
? entry.resolutionText
: '';
return Row(
children: [
const DecoratedIcon(AIcons.date, shadows: Constants.embossShadows, size: _iconSize),
const SizedBox(width: _iconPadding),
Expanded(flex: 3, child: Text(dateText, strutStyle: Constants.overflowStrutStyle)),
Expanded(flex: 2, child: Text(resolutionText, strutStyle: Constants.overflowStrutStyle)),
],
);
}
}
class _ShootingRow extends StatelessWidget {
final OverlayMetadata details;
const _ShootingRow(this.details);
@override
Widget build(BuildContext context) {
return Row(
children: [
const DecoratedIcon(AIcons.shooting, shadows: Constants.embossShadows, size: _iconSize),
const SizedBox(width: _iconPadding),
Expanded(child: Text(details.aperture ?? Constants.overlayUnknown, strutStyle: Constants.overflowStrutStyle)),
Expanded(child: Text(details.exposureTime ?? Constants.overlayUnknown, strutStyle: Constants.overflowStrutStyle)),
Expanded(child: Text(details.focalLength ?? Constants.overlayUnknown, strutStyle: Constants.overflowStrutStyle)),
Expanded(child: Text(details.iso ?? Constants.overlayUnknown, strutStyle: Constants.overflowStrutStyle)),
],
);
}
}
class ExtraBottomOverlay extends StatelessWidget {
final EdgeInsets? viewInsets, viewPadding;
final Widget child;
const ExtraBottomOverlay({
Key? key,
this.viewInsets,
this.viewPadding,
required this.child,
}) : super(key: key);
@override
Widget build(BuildContext context) {
final mq = context.select<MediaQueryData, Tuple3<double, EdgeInsets, EdgeInsets>>((mq) => Tuple3(mq.size.width, mq.viewInsets, mq.viewPadding));
final mqWidth = mq.item1;
final mqViewInsets = mq.item2;
final mqViewPadding = mq.item3;
final viewInsets = this.viewInsets ?? mqViewInsets;
final viewPadding = this.viewPadding ?? mqViewPadding;
final safePadding = (viewInsets + viewPadding).copyWith(bottom: 8) + const EdgeInsets.symmetric(horizontal: 8.0);
return Padding(
padding: safePadding,
child: SizedBox(
width: mqWidth - safePadding.horizontal,
child: child,
),
);
}
}