Add new space settings (#2293)

src/app/features/common-settings/general/RoomEncryption.tsx

@@ -0,0 +1,150 @@
+import {
+  Badge,
+  Box,
+  Button,
+  color,
+  config,
+  Dialog,
+  Header,
+  Icon,
+  IconButton,
+  Icons,
+  Overlay,
+  OverlayBackdrop,
+  OverlayCenter,
+  Spinner,
+  Text,
+} from 'folds';
+import React, { useCallback, useState } from 'react';
+import { MatrixError } from 'matrix-js-sdk';
+import FocusTrap from 'focus-trap-react';
+import { SequenceCard } from '../../../components/sequence-card';
+import { SequenceCardStyle } from '../../room-settings/styles.css';
+import { SettingTile } from '../../../components/setting-tile';
+import { IPowerLevels, powerLevelAPI } from '../../../hooks/usePowerLevels';
+import { useMatrixClient } from '../../../hooks/useMatrixClient';
+import { StateEvent } from '../../../../types/matrix/room';
+import { AsyncStatus, useAsyncCallback } from '../../../hooks/useAsyncCallback';
+import { useRoom } from '../../../hooks/useRoom';
+import { useStateEvent } from '../../../hooks/useStateEvent';
+import { stopPropagation } from '../../../utils/keyboard';
+
+const ROOM_ENC_ALGO = 'm.megolm.v1.aes-sha2';
+
+type RoomEncryptionProps = {
+  powerLevels: IPowerLevels;
+};
+export function RoomEncryption({ powerLevels }: RoomEncryptionProps) {
+  const mx = useMatrixClient();
+  const room = useRoom();
+  const userPowerLevel = powerLevelAPI.getPowerLevel(powerLevels, mx.getSafeUserId());
+  const canEnable = powerLevelAPI.canSendStateEvent(
+    powerLevels,
+    StateEvent.RoomEncryption,
+    userPowerLevel
+  );
+  const content = useStateEvent(room, StateEvent.RoomEncryption)?.getContent<{
+    algorithm: string;
+  }>();
+  const enabled = content?.algorithm === ROOM_ENC_ALGO;
+
+  const [enableState, enable] = useAsyncCallback(
+    useCallback(async () => {
+      await mx.sendStateEvent(room.roomId, StateEvent.RoomEncryption as any, {
+        algorithm: ROOM_ENC_ALGO,
+      });
+    }, [mx, room.roomId])
+  );
+
+  const enabling = enableState.status === AsyncStatus.Loading;
+
+  const [prompt, setPrompt] = useState(false);
+
+  const handleEnable = () => {
+    enable();
+    setPrompt(false);
+  };
+
+  return (
+    <SequenceCard
+      className={SequenceCardStyle}
+      variant="SurfaceVariant"
+      direction="Column"
+      gap="400"
+    >
+      <SettingTile
+        title="Room Encryption"
+        description={
+          enabled
+            ? 'Messages in this room are protected by end-to-end encryption.'
+            : 'Once enabled, encryption cannot be disabled!'
+        }
+        after={
+          enabled ? (
+            <Badge size="500" variant="Success" fill="Solid" radii="300">
+              <Text size="L400">Enabled</Text>
+            </Badge>
+          ) : (
+            <Button
+              size="300"
+              variant="Primary"
+              fill="Solid"
+              radii="300"
+              disabled={!canEnable}
+              onClick={() => setPrompt(true)}
+              before={enabling && <Spinner size="100" variant="Primary" fill="Solid" />}
+            >
+              <Text size="B300">Enable</Text>
+            </Button>
+          )
+        }
+      >
+        {enableState.status === AsyncStatus.Error && (
+          <Text style={{ color: color.Critical.Main }} size="T200">
+            {(enableState.error as MatrixError).message}
+          </Text>
+        )}
+        {prompt && (
+          <Overlay open backdrop={<OverlayBackdrop />}>
+            <OverlayCenter>
+              <FocusTrap
+                focusTrapOptions={{
+                  initialFocus: false,
+                  onDeactivate: () => setPrompt(false),
+                  clickOutsideDeactivates: true,
+                  escapeDeactivates: stopPropagation,
+                }}
+              >
+                <Dialog variant="Surface">
+                  <Header
+                    style={{
+                      padding: `0 ${config.space.S200} 0 ${config.space.S400}`,
+                      borderBottomWidth: config.borderWidth.B300,
+                    }}
+                    variant="Surface"
+                    size="500"
+                  >
+                    <Box grow="Yes">
+                      <Text size="H4">Enable Encryption</Text>
+                    </Box>
+                    <IconButton size="300" onClick={() => setPrompt(false)} radii="300">
+                      <Icon src={Icons.Cross} />
+                    </IconButton>
+                  </Header>
+                  <Box style={{ padding: config.space.S400 }} direction="Column" gap="400">
+                    <Text priority="400">
+                      Are you sure? Once enabled, encryption cannot be disabled!
+                    </Text>
+                    <Button type="submit" variant="Primary" onClick={handleEnable}>
+                      <Text size="B400">Enable E2E Encryption</Text>
+                    </Button>
+                  </Box>
+                </Dialog>
+              </FocusTrap>
+            </OverlayCenter>
+          </Overlay>
+        )}
+      </SettingTile>
+    </SequenceCard>
+  );
+}