Show linked device update message if we don't have the capability to join a group by link.

app/src/main/java/org/thoughtcrime/securesms/groups/ui/invitesandrequests/joining/GroupJoinBottomSheetDialogFragment.java

@@ -24,7 +24,9 @@ import org.thoughtcrime.securesms.components.AvatarImageView;
 import org.thoughtcrime.securesms.contacts.avatars.FallbackContactPhoto;
 import org.thoughtcrime.securesms.contacts.avatars.ResourceContactPhoto;
 import org.thoughtcrime.securesms.conversation.ConversationActivity;
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.groups.v2.GroupInviteLinkUrl;
+import org.thoughtcrime.securesms.jobs.RetrieveProfileJob;
 import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.util.BottomSheetUtil;
@@ -113,6 +115,13 @@ public final class GroupJoinBottomSheetDialogFragment extends BottomSheetDialogF
           });
           groupJoinButton.setVisibility(View.VISIBLE);
           break;
+        case UPDATE_LINKED_DEVICE_TO_JOIN:
+          groupJoinExplain.setText(R.string.GroupJoinUpdateRequiredBottomSheetDialogFragment_update_linked_device_message);
+          groupCancelButton.setText(android.R.string.ok);
+          groupJoinButton.setVisibility(View.GONE);
+          ApplicationDependencies.getJobManager()
+                                 .add(RetrieveProfileJob.forRecipient(Recipient.self().getId()));
+          break;
         case LOCAL_CAN_JOIN:
           groupJoinExplain.setText(details.joinRequiresAdminApproval() ? R.string.GroupJoinBottomSheetDialogFragment_admin_approval_needed
                                                                        : R.string.GroupJoinBottomSheetDialogFragment_direct_join);
@@ -151,19 +160,21 @@ public final class GroupJoinBottomSheetDialogFragment extends BottomSheetDialogF
     );
   }
 
-  private static FeatureFlags.GroupJoinStatus getGroupJoinStatus() {
+  private static ExtendedGroupJoinStatus getGroupJoinStatus() {
     FeatureFlags.GroupJoinStatus groupJoinStatus = FeatureFlags.clientLocalGroupJoinStatus();
 
-    if (groupJoinStatus == FeatureFlags.GroupJoinStatus.LOCAL_CAN_JOIN) {
+    switch (groupJoinStatus) {
-      if (Recipient.self().getGroupsV2Capability() == Recipient.Capability.NOT_SUPPORTED) {
+      case COMING_SOON   : return ExtendedGroupJoinStatus.COMING_SOON;
-        // TODO [Alan] GV2 additional copy could be presented in these cases
+      case UPDATE_TO_JOIN: return ExtendedGroupJoinStatus.UPDATE_TO_JOIN;
-        return FeatureFlags.GroupJoinStatus.UPDATE_TO_JOIN;
+      case LOCAL_CAN_JOIN: {
-      }
+        if (Recipient.self().getGroupsV2Capability() != Recipient.Capability.SUPPORTED) {
-      
+          return ExtendedGroupJoinStatus.UPDATE_LINKED_DEVICE_TO_JOIN;
-      return groupJoinStatus;
+        }
-    }
 
-    return groupJoinStatus;
+        return ExtendedGroupJoinStatus.LOCAL_CAN_JOIN;
+      }
+      default: throw new AssertionError();
+    }
   }
 
   private @NonNull String errorToMessage(@NonNull FetchGroupDetailsError error) {
@@ -201,4 +212,18 @@ public final class GroupJoinBottomSheetDialogFragment extends BottomSheetDialogF
       return new ResourceContactPhoto(R.drawable.ic_group_outline_48);
     }
   }
+
+  public enum ExtendedGroupJoinStatus {
+    /** No version of the client that can join V2 groups by link is in production. */
+    COMING_SOON,
+
+    /** A newer version of the client is in production that will allow joining via GV2 group links. */
+    UPDATE_TO_JOIN,
+
+    /** Locally we're using a version that can use group links, but one or more linked devices needs updating for GV2. */
+    UPDATE_LINKED_DEVICE_TO_JOIN,
+
+    /** This version of the client allows joining via GV2 group links. */
+    LOCAL_CAN_JOIN
+  }
 }

app/src/main/res/values/strings.xml

@@ -727,6 +727,7 @@
     <string name="GroupJoinUpdateRequiredBottomSheetDialogFragment_coming_soon">Joining a group via a link is not yet supported by Signal. This feature will be released in an upcoming update.</string>
     <string name="GroupJoinUpdateRequiredBottomSheetDialogFragment_update_message">The version of Signal you’re using does not support group links. Update to the latest version to join this group via link.</string>
     <string name="GroupJoinUpdateRequiredBottomSheetDialogFragment_update_signal">Update Signal</string>
+    <string name="GroupJoinUpdateRequiredBottomSheetDialogFragment_update_linked_device_message">One or more of your linked devices are running a version of Signal that doesn\'t support group links. Update Signal on your linked device(s) to join this group.</string>
     <string name="GroupJoinUpdateRequiredBottomSheetDialogFragment_group_link_is_not_valid">Group link is not valid</string>
 
     <!-- GV2 Request confirmation dialog -->