aves/lib/widgets/viewer/overlay/top.dart
2022-02-18 09:51:26 +09:00

330 lines
12 KiB
Dart

import 'package:aves/model/actions/entry_actions.dart';
import 'package:aves/model/device.dart';
import 'package:aves/model/entry.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/theme/durations.dart';
import 'package:aves/theme/icons.dart';
import 'package:aves/widgets/common/basic/menu.dart';
import 'package:aves/widgets/common/basic/popup_menu_button.dart';
import 'package:aves/widgets/common/extensions/build_context.dart';
import 'package:aves/widgets/common/favourite_toggler.dart';
import 'package:aves/widgets/viewer/action/entry_action_delegate.dart';
import 'package:aves/widgets/viewer/multipage/conductor.dart';
import 'package:aves/widgets/viewer/overlay/common.dart';
import 'package:aves/widgets/viewer/overlay/minimap.dart';
import 'package:aves/widgets/viewer/overlay/notifications.dart';
import 'package:aves/widgets/viewer/page_entry_builder.dart';
import 'package:aves/widgets/viewer/visual/conductor.dart';
import 'package:collection/collection.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/scheduler.dart';
import 'package:provider/provider.dart';
class ViewerTopOverlay extends StatelessWidget {
final AvesEntry mainEntry;
final Animation<double> scale;
final EdgeInsets? viewInsets, viewPadding;
final bool canToggleFavourite;
static const double outerPadding = 8;
static const double innerPadding = 8;
const ViewerTopOverlay({
Key? key,
required this.mainEntry,
required this.scale,
required this.canToggleFavourite,
required this.viewInsets,
required this.viewPadding,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return SafeArea(
minimum: (viewInsets ?? EdgeInsets.zero) + (viewPadding ?? EdgeInsets.zero),
child: Padding(
padding: const EdgeInsets.all(outerPadding),
child: Selector<MediaQueryData, double>(
selector: (context, mq) => mq.size.width - mq.padding.horizontal,
builder: (context, mqWidth, child) {
final buttonWidth = OverlayButton.getSize(context);
final availableCount = ((mqWidth - outerPadding * 2 - buttonWidth) / (buttonWidth + innerPadding)).floor();
return mainEntry.isMultiPage
? PageEntryBuilder(
multiPageController: context.read<MultiPageConductor>().getController(mainEntry),
builder: (pageEntry) => _buildOverlay(context, availableCount, mainEntry, pageEntry: pageEntry),
)
: _buildOverlay(context, availableCount, mainEntry);
},
),
),
);
}
Widget _buildOverlay(BuildContext context, int availableCount, AvesEntry mainEntry, {AvesEntry? pageEntry}) {
pageEntry ??= mainEntry;
final trashed = mainEntry.trashed;
bool _isVisible(EntryAction action) {
if (trashed) {
switch (action) {
case EntryAction.delete:
case EntryAction.restore:
return true;
case EntryAction.debug:
return kDebugMode;
default:
return false;
}
} else {
final targetEntry = EntryActions.pageActions.contains(action) ? pageEntry! : mainEntry;
switch (action) {
case EntryAction.toggleFavourite:
return canToggleFavourite;
case EntryAction.delete:
case EntryAction.rename:
case EntryAction.copy:
case EntryAction.move:
return targetEntry.canEdit;
case EntryAction.rotateCCW:
case EntryAction.rotateCW:
case EntryAction.flip:
return targetEntry.canRotateAndFlip;
case EntryAction.convert:
case EntryAction.print:
return !targetEntry.isVideo && device.canPrint;
case EntryAction.openMap:
return targetEntry.hasGps;
case EntryAction.viewSource:
return targetEntry.isSvg;
case EntryAction.rotateScreen:
return settings.isRotationLocked;
case EntryAction.addShortcut:
return device.canPinShortcut;
case EntryAction.copyToClipboard:
case EntryAction.edit:
case EntryAction.open:
case EntryAction.setAs:
case EntryAction.share:
return true;
case EntryAction.restore:
return false;
case EntryAction.debug:
return kDebugMode;
}
}
}
final buttonRow = Selector<Settings, bool>(
selector: (context, s) => s.isRotationLocked,
builder: (context, s, child) {
final quickActions = (trashed ? EntryActions.trashed : settings.viewerQuickActions).where(_isVisible).take(availableCount - 1).toList();
final topLevelActions = EntryActions.topLevel.where((action) => !quickActions.contains(action)).where(_isVisible).toList();
final exportActions = EntryActions.export.where((action) => !quickActions.contains(action)).where(_isVisible).toList();
return _TopOverlayRow(
quickActions: quickActions,
topLevelActions: topLevelActions,
exportActions: exportActions,
scale: scale,
mainEntry: mainEntry,
pageEntry: pageEntry!,
);
},
);
if (settings.showOverlayMinimap) {
final viewStateConductor = context.read<ViewStateConductor>();
final viewStateNotifier = viewStateConductor.getOrCreateController(pageEntry);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
buttonRow,
const SizedBox(height: 8),
FadeTransition(
opacity: scale,
child: Minimap(
entry: pageEntry,
viewStateNotifier: viewStateNotifier,
),
)
],
);
}
return buttonRow;
}
}
class _TopOverlayRow extends StatelessWidget {
final List<EntryAction> quickActions, topLevelActions, exportActions;
final Animation<double> scale;
final AvesEntry mainEntry, pageEntry;
AvesEntry get favouriteTargetEntry => mainEntry.isBurst ? pageEntry : mainEntry;
const _TopOverlayRow({
Key? key,
required this.quickActions,
required this.topLevelActions,
required this.exportActions,
required this.scale,
required this.mainEntry,
required this.pageEntry,
}) : super(key: key);
@override
Widget build(BuildContext context) {
final hasOverflowMenu = pageEntry.canRotateAndFlip || topLevelActions.isNotEmpty || exportActions.isNotEmpty;
return Row(
children: [
OverlayButton(
scale: scale,
child: Navigator.canPop(context) ? const BackButton() : const CloseButton(),
),
const Spacer(),
...quickActions.map((action) => _buildOverlayButton(context, action)),
if (hasOverflowMenu)
OverlayButton(
scale: scale,
child: MenuIconTheme(
child: AvesPopupMenuButton<EntryAction>(
key: const Key('entry-menu-button'),
itemBuilder: (context) {
final exportInternalActions = exportActions.whereNot(EntryActions.exportExternal.contains).toList();
final exportExternalActions = exportActions.where(EntryActions.exportExternal.contains).toList();
return [
if (pageEntry.canRotateAndFlip) _buildRotateAndFlipMenuItems(context),
...topLevelActions.map((action) => _buildPopupMenuItem(context, action)),
if (exportActions.isNotEmpty)
PopupMenuItem<EntryAction>(
padding: EdgeInsets.zero,
child: PopupMenuItemExpansionPanel<EntryAction>(
icon: AIcons.export,
title: context.l10n.entryActionExport,
items: [
...exportInternalActions.map((action) => _buildPopupMenuItem(context, action)).toList(),
if (exportInternalActions.isNotEmpty && exportExternalActions.isNotEmpty) const PopupMenuDivider(height: 0),
...exportExternalActions.map((action) => _buildPopupMenuItem(context, action)).toList(),
],
),
),
if (!kReleaseMode) ...[
const PopupMenuDivider(),
_buildPopupMenuItem(context, EntryAction.debug),
]
];
},
onSelected: (action) {
// wait for the popup menu to hide before proceeding with the action
Future.delayed(Durations.popupMenuAnimation * timeDilation, () => _onActionSelected(context, action));
},
onMenuOpened: () {
// if the menu is opened while overlay is hiding,
// the popup menu button is disposed and menu items are ineffective,
// so we make sure overlay stays visible
const ToggleOverlayNotification(visible: true).dispatch(context);
},
),
),
),
],
);
}
Widget _buildOverlayButton(BuildContext context, EntryAction action) {
Widget? child;
void onPressed() => _onActionSelected(context, action);
switch (action) {
case EntryAction.toggleFavourite:
child = FavouriteToggler(
entries: {favouriteTargetEntry},
onPressed: onPressed,
);
break;
default:
child = IconButton(
icon: action.getIcon(),
onPressed: onPressed,
tooltip: action.getText(context),
);
break;
}
return Padding(
padding: const EdgeInsetsDirectional.only(end: ViewerTopOverlay.innerPadding),
child: OverlayButton(
scale: scale,
child: child,
),
);
}
PopupMenuItem<EntryAction> _buildPopupMenuItem(BuildContext context, EntryAction action) {
Widget? child;
switch (action) {
// in app actions
case EntryAction.toggleFavourite:
child = FavouriteToggler(
entries: {favouriteTargetEntry},
isMenuItem: true,
);
break;
default:
child = MenuRow(text: action.getText(context), icon: action.getIcon());
break;
}
return PopupMenuItem(
value: action,
child: child,
);
}
PopupMenuItem<EntryAction> _buildRotateAndFlipMenuItems(BuildContext context) {
Widget buildDivider() => const SizedBox(
height: 16,
child: VerticalDivider(
width: 1,
thickness: 1,
),
);
Widget buildItem(EntryAction action) => Expanded(
child: PopupMenuItem(
value: action,
child: Tooltip(
message: action.getText(context),
child: Center(child: action.getIcon()),
),
),
);
return PopupMenuItem(
child: Row(
children: [
buildDivider(),
buildItem(EntryAction.rotateCCW),
buildDivider(),
buildItem(EntryAction.rotateCW),
buildDivider(),
buildItem(EntryAction.flip),
buildDivider(),
],
),
);
}
void _onActionSelected(BuildContext context, EntryAction action) {
var targetEntry = mainEntry;
if (mainEntry.isMultiPage && (mainEntry.isBurst || EntryActions.pageActions.contains(action))) {
final multiPageController = context.read<MultiPageConductor>().getController(mainEntry);
if (multiPageController != null) {
final multiPageInfo = multiPageController.info;
final pageEntry = multiPageInfo?.getPageEntryByIndex(multiPageController.page);
if (pageEntry != null) {
targetEntry = pageEntry;
}
}
}
EntryActionDelegate(targetEntry).onActionSelected(context, action);
}
}