Switching plain text / HTML is not possible for encrypted messages

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -5537,8 +5537,8 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             popupMenu.getMenu().findItem(R.id.menu_alternative)
                     .setTitle(message.isPlainOnly()
                             ? R.string.title_alternative_html : R.string.title_alternative_text)
-                    .setEnabled(message.uid != null && message.hasAlt())
+                    .setEnabled(message.uid != null && message.hasAlt() && !message.isEncrypted())
-                    .setVisible(message.accountProtocol == EntityAccount.TYPE_IMAP && !message.isEncrypted());
+                    .setVisible(message.accountProtocol == EntityAccount.TYPE_IMAP);
 
             popupMenu.insertIcons(context);
 

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -8103,7 +8103,8 @@ public class FragmentMessages extends FragmentBase
                                     String protect_subject = parts.getProtectedSubject();
 
                                     // Write decrypted body
-                                    String html = parts.getHtml(context, false);
+                                    boolean download_plain = prefs.getBoolean("download_plain", false);
+                                    String html = parts.getHtml(context, download_plain);
                                     Helper.writeText(message.getFile(context), html);
                                     Log.i("pgp html=" + (html == null ? null : html.length()));
 
@@ -8120,7 +8121,7 @@ public class FragmentMessages extends FragmentBase
                                         db.message().setMessageContent(message.id,
                                                 true,
                                                 message.language,
-                                                parts.isPlainOnly(false),
+                                                parts.isPlainOnly(download_plain),
                                                 message.preview,
                                                 message.warning);
 
@@ -8797,7 +8798,8 @@ public class FragmentMessages extends FragmentBase
 
                 // Write decrypted body
                 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-                String html = parts.getHtml(context, false);
+                boolean download_plain = prefs.getBoolean("download_plain", false);
+                String html = parts.getHtml(context, download_plain);
                 Helper.writeText(message.getFile(context), html);
                 Log.i("s/mime html=" + (html == null ? null : html.length()));
 
@@ -8812,7 +8814,7 @@ public class FragmentMessages extends FragmentBase
                     db.message().setMessageContent(message.id,
                             true,
                             message.language,
-                            parts.isPlainOnly(false),
+                            parts.isPlainOnly(download_plain),
                             message.preview,
                             message.warning);