aves/lib/widgets/viewer/overlay/details.dart
2022-05-12 22:16:03 +09:00

428 lines
14 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/enums/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/viewer/multipage/controller.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:intl/intl.dart';
import 'package:provider/provider.dart';
const double _iconPadding = 8.0;
const double _iconSize = 16.0;
const double _interRowPadding = 2.0;
const double _subRowMinWidth = 300.0;
List<Shadow>? _shadows(BuildContext context) => Theme.of(context).brightness == Brightness.dark ? Constants.embossShadows : null;
class ViewerDetailOverlay extends StatefulWidget {
final List<AvesEntry> entries;
final int index;
final bool hasCollection;
final MultiPageController? multiPageController;
const ViewerDetailOverlay({
super.key,
required this.entries,
required this.index,
required this.hasCollection,
required this.multiPageController,
});
@override
State<ViewerDetailOverlay> createState() => _ViewerDetailOverlayState();
}
class _ViewerDetailOverlayState extends State<ViewerDetailOverlay> {
List<AvesEntry> get entries => widget.entries;
AvesEntry? get entry {
final index = widget.index;
return index < entries.length ? entries[index] : null;
}
late Future<OverlayMetadata?> _detailLoader;
AvesEntry? _lastEntry;
OverlayMetadata? _lastDetails;
@override
void initState() {
super.initState();
_initDetailLoader();
}
@override
void didUpdateWidget(covariant ViewerDetailOverlay 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) {
return SafeArea(
top: false,
bottom: false,
child: LayoutBuilder(
builder: (context, constraints) {
final availableWidth = constraints.maxWidth;
return 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!;
final multiPageController = widget.multiPageController;
Widget _buildContent({AvesEntry? pageEntry}) => ViewerDetailOverlayContent(
pageEntry: pageEntry ?? mainEntry,
details: _lastDetails,
position: widget.hasCollection ? '${widget.index + 1}/${entries.length}' : null,
availableWidth: availableWidth,
multiPageController: multiPageController,
);
return multiPageController != null
? PageEntryBuilder(
multiPageController: multiPageController,
builder: (pageEntry) => _buildContent(pageEntry: pageEntry),
)
: _buildContent();
},
);
},
),
);
}
}
class ViewerDetailOverlayContent extends StatelessWidget {
final AvesEntry pageEntry;
final OverlayMetadata? details;
final String? position;
final double availableWidth;
final MultiPageController? multiPageController;
static const padding = EdgeInsets.symmetric(vertical: 4, horizontal: 8);
const ViewerDetailOverlayContent({
super.key,
required this.pageEntry,
required this.details,
required this.position,
required this.availableWidth,
required this.multiPageController,
});
@override
Widget build(BuildContext context) {
final infoMaxWidth = availableWidth - padding.horizontal;
final showShooting = settings.showOverlayShootingDetails;
return AnimatedBuilder(
animation: pageEntry.metadataChangeNotifier,
builder: (context, child) {
final positionTitle = _PositionTitleRow(entry: pageEntry, collectionPosition: position, multiPageController: multiPageController);
return DefaultTextStyle(
style: Theme.of(context).textTheme.bodyText2!.copyWith(
shadows: _shadows(context),
),
softWrap: false,
overflow: TextOverflow.fade,
maxLines: 1,
child: Padding(
padding: padding,
child: Selector<MediaQueryData, Orientation>(
selector: (context, mq) => mq.orientation,
builder: (context, orientation, child) {
final twoColumns = orientation == Orientation.landscape && infoMaxWidth / 2 > _subRowMinWidth;
final subRowWidth = twoColumns ? min(_subRowMinWidth, infoMaxWidth / 2) : infoMaxWidth;
final collapsedShooting = twoColumns && showShooting;
final collapsedLocation = twoColumns && !showShooting;
final rows = <Widget>[];
if (positionTitle.isNotEmpty) {
rows.add(positionTitle);
rows.add(const SizedBox(height: _interRowPadding));
}
if (twoColumns) {
rows.add(
Row(
children: [
_buildDateSubRow(subRowWidth),
if (collapsedShooting) _buildShootingSubRow(context, subRowWidth),
if (collapsedLocation) _buildLocationSubRow(context, subRowWidth),
],
),
);
} else {
rows.add(_buildDateSubRow(subRowWidth));
if (showShooting) {
rows.add(_buildShootingFullRow(context, subRowWidth));
}
}
if (!collapsedLocation) {
rows.add(_buildLocationFullRow(context));
}
return Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: rows,
);
},
),
),
);
},
);
}
Widget _buildDateSubRow(double subRowWidth) => SizedBox(
width: subRowWidth,
child: _DateRow(
entry: pageEntry,
multiPageController: multiPageController,
),
);
Widget _buildShootingFullRow(BuildContext context, double subRowWidth) => _buildFullRowSwitcher(
context: context,
visible: details != null && details!.isNotEmpty,
builder: (context) => SizedBox(
width: subRowWidth,
child: _ShootingRow(details!),
),
);
Widget _buildShootingSubRow(BuildContext context, double subRowWidth) => _buildSubRowSwitcher(
context: context,
subRowWidth: subRowWidth,
visible: details != null && details!.isNotEmpty,
builder: (context) => _ShootingRow(details!),
);
Widget _buildLocationFullRow(BuildContext context) => _buildFullRowSwitcher(
context: context,
visible: pageEntry.hasGps,
builder: (context) => _LocationRow(entry: pageEntry),
);
Widget _buildLocationSubRow(BuildContext context, double subRowWidth) => _buildSubRowSwitcher(
context: context,
subRowWidth: subRowWidth,
visible: pageEntry.hasGps,
builder: (context) => _LocationRow(entry: pageEntry),
);
Widget _buildSubRowSwitcher({
required BuildContext context,
required double subRowWidth,
required bool visible,
required WidgetBuilder builder,
}) =>
AnimatedSwitcher(
duration: context.select<DurationsData, Duration>((v) => v.viewerOverlayChangeAnimation),
switchInCurve: Curves.easeInOutCubic,
switchOutCurve: Curves.easeInOutCubic,
transitionBuilder: (child, animation) => FadeTransition(
opacity: animation,
child: child,
),
child: visible
? SizedBox(
width: subRowWidth,
child: builder(context),
)
: const SizedBox(),
);
Widget _buildFullRowSwitcher({
required BuildContext context,
required bool visible,
required WidgetBuilder builder,
}) =>
AnimatedSwitcher(
duration: context.select<DurationsData, Duration>((v) => v.viewerOverlayChangeAnimation),
switchInCurve: Curves.easeInOutCubic,
switchOutCurve: Curves.easeInOutCubic,
transitionBuilder: (child, animation) => FadeTransition(
opacity: animation,
child: SizeTransition(
axisAlignment: 1,
sizeFactor: animation,
child: child,
),
),
child: visible
? Padding(
padding: const EdgeInsets.only(top: _interRowPadding),
child: builder(context),
)
: const SizedBox(),
);
}
class _LocationRow extends AnimatedWidget {
final AvesEntry entry;
_LocationRow({
required this.entry,
}) : super(listenable: entry.addressChangeNotifier);
@override
Widget build(BuildContext context) {
late final String location;
if (entry.hasAddress) {
location = entry.shortAddress;
} else {
final latLng = entry.latLng;
if (latLng != null) {
location = settings.coordinateFormat.format(context.l10n, latLng);
} else {
location = '';
}
}
return Row(
children: [
DecoratedIcon(AIcons.location, size: _iconSize, shadows: _shadows(context)),
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) '${Constants.fsi}$title${Constants.pdi}',
].join(separator),
strutStyle: Constants.overflowStrutStyle);
if (multiPageController == null) return toText();
return StreamBuilder<MultiPageInfo?>(
stream: multiPageController!.infoStream,
builder: (context, snapshot) {
final multiPageInfo = multiPageController!.info;
String? pagePosition;
if (multiPageInfo != null) {
// page count may be 0 when we know an entry to have multiple pages
// but fail to get information about these pages
final pageCount = multiPageInfo.pageCount;
if (pageCount > 0) {
final page = multiPageInfo.getById(entry.pageId ?? entry.id) ?? multiPageInfo.defaultPage;
pagePosition = '${(page?.index ?? 0) + 1}/$pageCount';
}
}
return toText(pagePosition: pagePosition);
},
);
}
}
class _DateRow extends StatelessWidget {
final AvesEntry entry;
final MultiPageController? multiPageController;
const _DateRow({
required this.entry,
required this.multiPageController,
});
@override
Widget build(BuildContext context) {
final locale = context.l10n.localeName;
final use24hour = context.select<MediaQueryData, bool>((v) => v.alwaysUse24HourFormat);
final date = entry.bestDate;
final dateText = date != null ? formatDateTime(date, locale, use24hour) : Constants.overlayUnknown;
final resolutionText = entry.isSvg
? entry.aspectRatioText
: entry.isSized
? entry.resolutionText
: '';
return Row(
children: [
DecoratedIcon(AIcons.date, size: _iconSize, shadows: _shadows(context)),
const SizedBox(width: _iconPadding),
Expanded(flex: 3, child: Text(dateText, strutStyle: Constants.overflowStrutStyle)),
Expanded(flex: 2, child: Text(resolutionText, strutStyle: Constants.overflowStrutStyle)),
],
);
}
}
class _ShootingRow extends StatelessWidget {
final OverlayMetadata details;
const _ShootingRow(this.details);
@override
Widget build(BuildContext context) {
final locale = context.l10n.localeName;
final aperture = details.aperture;
final apertureText = aperture != null ? 'ƒ/${NumberFormat('0.0', locale).format(aperture)}' : Constants.overlayUnknown;
final focalLength = details.focalLength;
final focalLengthText = focalLength != null ? context.l10n.focalLength(NumberFormat('0.#', locale).format(focalLength)) : Constants.overlayUnknown;
final iso = details.iso;
final isoText = iso != null ? 'ISO$iso' : Constants.overlayUnknown;
return Row(
children: [
DecoratedIcon(AIcons.shooting, size: _iconSize, shadows: _shadows(context)),
const SizedBox(width: _iconPadding),
Expanded(child: Text(apertureText, strutStyle: Constants.overflowStrutStyle)),
Expanded(child: Text(details.exposureTime ?? Constants.overlayUnknown, strutStyle: Constants.overflowStrutStyle)),
Expanded(child: Text(focalLengthText, strutStyle: Constants.overflowStrutStyle)),
Expanded(child: Text(isoText, strutStyle: Constants.overflowStrutStyle)),
],
);
}
}