Added extended reply header

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

@@ -2520,11 +2520,38 @@ public class FragmentCompose extends FragmentBase {
                         if ("reply".equals(action) || "reply_all".equals(action))
                             refText = "<blockquote>" + refText + "</blockquote>";
 
-                        String refBody = String.format("<p>%s %s:</p>\n%s",
-                                Html.escapeHtml(new Date(ref.received).toString()),
-                                Html.escapeHtml(MessageHelper.formatAddresses(ref.from)),
-                                refText);
-                        Helper.writeText(data.draft.getRefFile(context), refBody);
+                        // Build reply header
+                        StringBuilder sb = new StringBuilder();
+                        boolean extended_reply = prefs.getBoolean("extended_reply", false);
+                        if (extended_reply) {
+                            sb.append("<p>");
+                            if (ref.from != null && ref.from.length > 0)
+                                sb.append("<strong>").append(context.getString(R.string.title_from)).append("</strong> ")
+                                        .append(Html.escapeHtml(MessageHelper.formatAddresses(ref.from)))
+                                        .append("<br>\n");
+                            if (ref.to != null && ref.to.length > 0)
+                                sb.append("<strong>").append(context.getString(R.string.title_to)).append("</strong> ")
+                                        .append(Html.escapeHtml(MessageHelper.formatAddresses(ref.to))).
+                                        append("<br>\n");
+                            if (ref.cc != null && ref.cc.length > 0)
+                                sb.append("<strong>").append(context.getString(R.string.title_cc)).append("</strong> ")
+                                        .append(Html.escapeHtml(MessageHelper.formatAddresses(ref.cc)))
+                                        .append("<br>\n");
+                            sb.append("<strong>").append(context.getString(R.string.title_received)).append("</strong> ")
+                                    .append(Html.escapeHtml(new Date(ref.received).toString()))
+                                    .append("<br>\n");
+                            sb.append("<strong>").append(context.getString(R.string.title_subject)).append("</strong> ")
+                                    .append(Html.escapeHtml(ref.subject == null ? "" : ref.subject));
+                            sb.append("</p>\n");
+                        } else {
+                            sb.append("<p>");
+                            sb.append(Html.escapeHtml(new Date(ref.received).toString())).append(" ");
+                            sb.append(Html.escapeHtml(MessageHelper.formatAddresses(ref.from))).append(":");
+                            sb.append("</p>\n");
+                        }
+
+                        sb.append(refText);
+                        Helper.writeText(data.draft.getRefFile(context), sb.toString());
                     }
 
                     if ("new".equals(action)) {

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

@@ -48,6 +48,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
     private SwitchCompat swSuggestReceived;
     private Button btnLocalContacts;
     private SwitchCompat swPrefixOnce;
+    private SwitchCompat swExtendedReply;
     private SwitchCompat swPlainOnly;
     private SwitchCompat swUsenetSignature;
     private SwitchCompat swAutoResize;
@@ -59,7 +60,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
     private Spinner spSendDelayed;
 
     private final static String[] RESET_OPTIONS = new String[]{
-            "keyboard", "suggest_sent", "suggested_received", "prefix_once", "plain_only", "usenet_signature",
+            "keyboard", "suggest_sent", "suggested_received", "prefix_once", "extended_reply", "plain_only", "usenet_signature",
             "autoresize", "encrypt_default", "receipt_default", "resize", "lookup_mx", "send_delayed"
     };
 
@@ -78,6 +79,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
         swSuggestReceived = view.findViewById(R.id.swSuggestReceived);
         btnLocalContacts = view.findViewById(R.id.btnLocalContacts);
         swPrefixOnce = view.findViewById(R.id.swPrefixOnce);
+        swExtendedReply = view.findViewById(R.id.swExtendedReply);
         swPlainOnly = view.findViewById(R.id.swPlainOnly);
         swUsenetSignature = view.findViewById(R.id.swUsenetSignature);
         swAutoResize = view.findViewById(R.id.swAutoResize);
@@ -130,6 +132,13 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
             }
         });
 
+        swExtendedReply.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("extended_reply", checked).apply();
+            }
+        });
+
         swPlainOnly.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -250,6 +259,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
         swSuggestSent.setChecked(prefs.getBoolean("suggest_sent", false));
         swSuggestReceived.setChecked(prefs.getBoolean("suggest_received", false));
         swPrefixOnce.setChecked(prefs.getBoolean("prefix_once", true));
+        swExtendedReply.setChecked(prefs.getBoolean("extended_reply", false));
         swPlainOnly.setChecked(prefs.getBoolean("plain_only", false));
         swUsenetSignature.setChecked(prefs.getBoolean("usenet_signature", false));
 

app/src/main/res/layout/fragment_options_send.xml

@@ -108,6 +108,17 @@
             app:layout_constraintTop_toBottomOf="@id/btnLocalContacts"
             app:switchPadding="12dp" />
 
+        <androidx.appcompat.widget.SwitchCompat
+            android:id="@+id/swExtendedReply"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:text="@string/title_advanced_extended_reply"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/swPrefixOnce"
+            app:switchPadding="12dp" />
+
         <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/swPlainOnly"
             android:layout_width="0dp"
@@ -116,7 +127,7 @@
             android:text="@string/title_advanced_plain_only"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/swPrefixOnce"
+            app:layout_constraintTop_toBottomOf="@id/swExtendedReply"
             app:switchPadding="12dp" />
 
         <androidx.appcompat.widget.SwitchCompat

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

@@ -229,6 +229,7 @@
     <string name="title_advanced_suggest_sent">Suggest addresses found in sent messages</string>
     <string name="title_advanced_suggest_received">Suggest addresses found in received messages</string>
     <string name="title_advanced_prefix_once">Prefix subject only once on replying or forwarding</string>
+    <string name="title_advanced_extended_reply">Use extended reply header</string>
     <string name="title_advanced_plain_only">Send plain text only by default</string>
     <string name="title_advanced_usenet_signature">Usenet signature convention</string>
     <string name="title_advanced_autoresize">Automatically resize attached and embedded images</string>