From c0d98ba65878c335eee2ec2a40429267590891cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=A0imon=20Brandner?= <simon.bra.ag@gmail.com>
Date: Fri, 20 Aug 2021 08:37:30 +0200
Subject: [PATCH] Show "Enable encryption in settings" only when the user can
 do that
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
---
 src/components/views/rooms/NewRoomIntro.tsx | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/components/views/rooms/NewRoomIntro.tsx b/src/components/views/rooms/NewRoomIntro.tsx
index 674bcdaec2..8a96b8a9ba 100644
--- a/src/components/views/rooms/NewRoomIntro.tsx
+++ b/src/components/views/rooms/NewRoomIntro.tsx
@@ -36,6 +36,7 @@ import { showSpaceInvite } from "../../../utils/space";
 import { privateShouldBeEncrypted } from "../../../createRoom";
 import EventTileBubble from "../messages/EventTileBubble";
 import { ROOM_SECURITY_TAB } from "../dialogs/RoomSettingsDialog";
+import { MatrixClientPeg } from "../../../MatrixClientPeg";
 
 function hasExpectedEncryptionSettings(matrixClient: MatrixClient, room: Room): boolean {
     const isEncrypted: boolean = matrixClient.isRoomEncrypted(room.roomId);
@@ -191,11 +192,21 @@ const NewRoomIntro = () => {
         });
     }
 
-    const sub2 = _t(
+    const subText = _t(
         "Your private messages are normally encrypted, but this room isn't. "+
         "Usually this is due to an unsupported device or method being used, " +
-        "like email invites. <a>Enable encryption in settings.</a>", {},
-        { a: sub => <a onClick={openRoomSettings} href="#">{ sub }</a> },
+        "like email invites.",
+    );
+
+    let subButton;
+    if (room.currentState.mayClientSendStateEvent(EventType.RoomEncryption, MatrixClientPeg.get())) {
+        subButton = (
+            <a onClick={openRoomSettings} href="#"> { _t("Enable encryption in settings.") }</a>
+        );
+    }
+
+    const subtitle = (
+        <span> { subText } { subButton } </span>
     );
 
     return <div className="mx_NewRoomIntro">
@@ -204,7 +215,7 @@ const NewRoomIntro = () => {
             <EventTileBubble
                 className="mx_cryptoEvent mx_cryptoEvent_icon_warning"
                 title={_t("End-to-end encryption isn't enabled")}
-                subtitle={sub2}
+                subtitle={subtitle}
             />
         ) }