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Replaced math based approach with bitwise operations

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Jakob Meier 2023-04-01 12:26:58 +02:00
parent 916ea41159
commit b73362c101
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GPG key ID: 66BDC7E6A01A6152
1 changed files with 30 additions and 26 deletions
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56
lib/screens/room/about/permissions.dart
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@ -31,10 +31,10 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
doNetworkRequest( doNetworkRequest(
sm, sm,
req: () => postWithCreadentials( req: () => postWithCreadentials(
path: 'getRoomInfo', path: 'getRoomInfo',
credentials: user, credentials: user,
target: user.server, target: user.server,
body: {'room': widget.tag, 'server': widget.server}), body: {'room': widget.tag, 'server': widget.server}),
onAnyErr: () { onAnyErr: () {
// user should not be here // user should not be here
// close screen // close screen
@ -44,7 +44,7 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
onOK: (body) async { onOK: (body) async {
final info = RoomInfo.fromJSON(body['data']); final info = RoomInfo.fromJSON(body['data']);
setState(() { setState(() {
permissions = info.permissions; permissions = info.permissions;
}); });
return true; return true;
}, },
@ -69,17 +69,21 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
itemBuilder: (context, index) { itemBuilder: (context, index) {
final item = items[index]; final item = items[index];
final int col = pow(2, index + 1) as int; final int col = pow(2, index) as int;
return SwitchListTile( return SwitchListTile(
title: Text(RoomPermission.name(item, context)), title: Text(RoomPermission.name(item, context)),
subtitle: Text(RoomPermission.describe(item, context)), subtitle: Text(RoomPermission.describe(item, context)),
onChanged: (state) { onChanged: (state) {
setState(() { setState(() {
permissions += (state ? 1 : -1) * col; if (state) {
}); permissions |= col;
}, } else {
value: permissions & col != 0); permissions &= ~col;
}
});
},
value: permissions & col != 0);
}, },
), ),
floatingActionButton: FloatingActionButton.extended( floatingActionButton: FloatingActionButton.extended(
@ -93,18 +97,18 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
// update permissions // update permissions
doNetworkRequest(sm, doNetworkRequest(sm,
req: () => postWithCreadentials( req: () => postWithCreadentials(
path: 'setRoomRight', path: 'setRoomRight',
credentials: user, credentials: user,
target: user.server, target: user.server,
body: { body: {
'room': widget.tag, 'room': widget.tag,
'server': widget.server, 'server': widget.server,
'rights': permissions 'rights': permissions
}), }),
onOK: (_) { onOK: (_) {
router.pop(); router.pop();
}); });
}, },
), ),
); );