extract adaptive sheets into their own library material_adaptive_sheets

lib/widgets/account_switcher.dart

@@ -1,12 +1,12 @@
 import "package:collection/collection.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/accounts.dart";
 import "package:nexus/controllers/active_account.dart";
 import "package:nexus/helpers/extensions/log_out.dart";
 import "package:nexus/main.dart";
 import "package:nexus/models/account.dart";
-import "package:nexus/widgets/adaptive_menu_button.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
 
 /// Switches between, adds and logs out of accounts. With [onlyWithOthers], it's
@@ -45,7 +45,7 @@ class const AccountSwitcher({final bool onlyWithOthers = false, super.key})
 
     final loggingOut = ref.watch(LogOut.mutation).isPending;
 
-    return AdaptiveMenuButton(
+    return AdaptiveMenuButton<void>(
       tooltip: loggingOut ? "Logging out..." : "Switch account",
       enabled: !loggingOut,
       icon: loggingOut

lib/widgets/adaptive_menu_button.dart

@@ -1,21 +0,0 @@
-import "package:material_ui/material_ui.dart";
-import "package:nexus/helpers/extensions/show_adaptive_menu.dart";
-
-/// Like [PopupMenuButton], but shows a bottom sheet on mobile.
-class const AdaptiveMenuButton({
-  required final Widget icon,
-  required final List<PopupMenuEntry> Function(BuildContext context)
-  itemBuilder,
-  final String? tooltip,
-  final bool enabled = true,
-  super.key,
-}) extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) => IconButton(
-    icon: icon,
-    tooltip: tooltip,
-    onPressed: enabled
-        ? () => context.showAdaptiveMenu(itemBuilder(context))
-        : null,
-  );
-}

lib/widgets/add_space_rooms_sheet.dart

@@ -3,6 +3,7 @@ import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/controllers/rooms.dart";
@@ -15,7 +16,6 @@ import "package:nexus/models/content/content.dart";
 import "package:nexus/models/content/space_child.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
 import "package:nexus/widgets/settings/search_chooser.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 /// Chooses rooms to add to the space [spaceId], then adds them.
 class const AddSpaceRoomsSheet(

lib/widgets/composer/composer.dart

@@ -2,6 +2,7 @@ import "dart:io";
 
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:collection/collection.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/bot_argument_suggestions.dart";
 import "package:nexus/controllers/bot_command_draft.dart";
 import "package:nexus/controllers/bot_commands.dart";
@@ -14,8 +15,6 @@ import "package:nexus/widgets/composer/bot_command_panel.dart";
 import "package:nexus/widgets/emoji_picker.dart";
 import "package:nexus/helpers/extensions/get_filename.dart";
 import "package:nexus/helpers/extensions/is_media.dart";
-import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
-import "package:nexus/widgets/adaptive_menu_button.dart";
 import "package:material_ui/material_ui.dart";
 import "package:flutter/services.dart";
 import "package:flutter_hooks/flutter_hooks.dart";

lib/widgets/create_poll_sheet.dart

@@ -2,8 +2,8 @@ import "package:collection/collection.dart";
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/models/content/poll_start.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 class const CreatePollSheet({
   required final void Function(PollStart poll) onCreate,

lib/widgets/create_room_sheet.dart

@@ -1,10 +1,10 @@
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/helpers/extensions/create_room.dart";
 import "package:nexus/helpers/extensions/get_localpart.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 class const CreateRoomSheet({super.key}) extends HookConsumerWidget {
   @override

lib/widgets/editable_avatar.dart

@@ -1,7 +1,7 @@
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/client.dart";
-import "package:nexus/helpers/extensions/show_adaptive_menu.dart";
 import "package:nexus/helpers/file_dialog_helper.dart";
 import "package:nexus/helpers/hooks/saving.dart";
 import "package:nexus/main.dart";

lib/widgets/invites_list.dart

@@ -1,7 +1,6 @@
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
-import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
-import "package:nexus/widgets/sheet_layout.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/invites.dart";
 import "package:nexus/helpers/extensions/get_localpart.dart";
 import "package:nexus/main.dart";

lib/widgets/join_sheet.dart

@@ -1,8 +1,7 @@
 import "package:material_ui/material_ui.dart";
-import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/room_summary.dart";
 import "package:nexus/helpers/extensions/get_link_info.dart";
 import "package:nexus/widgets/room_summary_sheet.dart";

lib/widgets/knock_sheet.dart

@@ -1,8 +1,8 @@
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/helpers/extensions/join_room.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 /// Asks the moderators of a room to let the user in, with an optional reason.
 ///

lib/widgets/location_message.dart

@@ -1,5 +1,5 @@
 import "package:material_ui/material_ui.dart";
-import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/models/content/message.dart";
 import "package:nexus/models/location.dart";
 import "package:nexus/widgets/location_map.dart";

lib/widgets/location_picker_sheet.dart

@@ -3,11 +3,11 @@ import "package:flutter_map/flutter_map.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:latlong2/latlong.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/helpers/current_location_helper.dart";
 import "package:nexus/models/content/message.dart";
 import "package:nexus/models/location.dart";
 import "package:nexus/widgets/location_map.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 /// Chooses a location to share, either the user's own or a pin dropped on the
 /// map.

lib/widgets/location_viewer_sheet.dart

@@ -1,10 +1,10 @@
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:latlong2/latlong.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/helpers/launch_helper.dart";
 import "package:nexus/models/location.dart";
 import "package:nexus/widgets/location_map.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 class const LocationViewerSheet(
   final LatLng point, {

lib/widgets/mutual_rooms_sheet.dart

@@ -1,13 +1,13 @@
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/mutual_rooms.dart";
 import "package:nexus/controllers/rooms.dart";
 import "package:nexus/controllers/sidebar_page.dart";
 import "package:nexus/helpers/extensions/better_when.dart";
 import "package:nexus/helpers/extensions/focus_room.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 /// The rooms the user shares with [userId].
 class const MutualRoomsSheet(final String userId, {super.key})

lib/widgets/pages/chat.dart

@@ -1,13 +1,13 @@
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:material_ui/material_ui.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/init_complete.dart";
 import "package:nexus/controllers/link_request.dart";
 import "package:nexus/helpers/extensions/open_link_info.dart";
 import "package:nexus/main.dart";
 import "package:nexus/controllers/selected_room.dart";
 import "package:nexus/controllers/notification_request.dart";
-import "package:nexus/helpers/extensions/is_desktop.dart";
 import "package:nexus/widgets/appbar.dart";
 import "package:nexus/widgets/sidebar.dart";
 import "package:nexus/widgets/sync_status_banner.dart";

lib/widgets/pages/verify.dart

@@ -1,10 +1,10 @@
 import "package:material_ui/material_ui.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/models/client_state.dart";
-import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
 import "package:nexus/widgets/loading.dart";
 import "package:nexus/widgets/pages/settings.dart";
 import "package:nexus/widgets/account_switcher.dart";

lib/widgets/popover_layout.dart

@@ -1,33 +0,0 @@
-import "dart:math";
-
-import "package:material_ui/material_ui.dart";
-
-/// Positions a popover below [anchor], or above it if there isn't room below,
-/// keeping it fully on screen.
-class const PopoverLayout(final Rect anchor) extends SingleChildLayoutDelegate {
-  static const margin = 8.0;
-
-  @override
-  BoxConstraints getConstraintsForChild(BoxConstraints constraints) =>
-      constraints.loosen().deflate(const .all(margin));
-
-  @override
-  Offset getPositionForChild(Size size, Size childSize) {
-    final fitsBelow = anchor.bottom + childSize.height + margin <= size.height;
-
-    return .new(
-      anchor.left.clamp(
-        margin,
-        max(margin, size.width - childSize.width - margin),
-      ),
-      (fitsBelow ? anchor.bottom : anchor.top - childSize.height).clamp(
-        margin,
-        max(margin, size.height - childSize.height - margin),
-      ),
-    );
-  }
-
-  @override
-  bool shouldRelayout(PopoverLayout oldDelegate) =>
-      oldDelegate.anchor != anchor;
-}

lib/widgets/read_receipts_row.dart

@@ -1,10 +1,10 @@
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/read_receipts.dart";
 import "package:nexus/controllers/room_chat.dart";
 import "package:nexus/controllers/user.dart";
 import "package:nexus/helpers/extensions/get_localpart.dart";
-import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
 import "package:nexus/helpers/extensions/show_user_popover.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
 import "package:nexus/widgets/avatar_ring.dart";

lib/widgets/read_receipts_sheet.dart

@@ -1,12 +1,12 @@
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/read_receipts.dart";
 import "package:nexus/controllers/room_chat.dart";
 import "package:nexus/controllers/user.dart";
 import "package:nexus/helpers/extensions/get_localpart.dart";
 import "package:nexus/helpers/extensions/show_user_popover.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 /// Everyone who has read up to an event, kept up to date while open.
 class const ReadReceiptsSheet(

lib/widgets/recovery_key_sheet.dart

@@ -4,12 +4,12 @@ import "package:flutter/services.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:material_ui/material_ui.dart";
+import "package:material_adaptive_sheets/material_adaptive_sheets.dart";
 import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/helpers/launch_helper.dart";
 import "package:nexus/models/gomuks_exception.dart";
 import "package:nexus/models/recovery_key.dart";
-import "package:nexus/widgets/sheet_layout.dart";
 
 /// Shows a newly generated recovery key, and once the user confirms they've
 /// saved it, resets encryption with it. Pops with true if that succeeded.