Added long press to insert contact group

FAQ.md

@@ -1950,6 +1950,7 @@ but even Google's Chrome cannot handle this.
 * Did you know that you can long press the full screen icon to show the original message text only?
 * Did you know that you can long press the answer button to reply to the sender? (since version 1.1562)
 * Did you know that you can long press the message move button to move across accounts? (since version 1.1702)
+* Did you know that you can long press the add contact button in the message composer to insert a contact group? (since version 1.1721)
 
 <br />
 

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

@@ -521,6 +521,28 @@ public class FragmentCompose extends FragmentBase {
         ibCcAdd.setOnClickListener(onPick);
         ibBccAdd.setOnClickListener(onPick);
 
+        View.OnLongClickListener onGroup = new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View view) {
+                int id = view.getId();
+                if (id == R.id.ibToAdd) {
+                    onMenuContactGroup(etTo);
+                    return true;
+                } else if (id == R.id.ibCcAdd) {
+                    onMenuContactGroup(etCc);
+                    return true;
+                } else if (id == R.id.ibBccAdd) {
+                    onMenuContactGroup(etBcc);
+                    return true;
+                } else
+                    return true;
+            }
+        };
+
+        ibToAdd.setOnLongClickListener(onGroup);
+        ibCcAdd.setOnLongClickListener(onGroup);
+        ibBccAdd.setOnLongClickListener(onGroup);
+
         tvPlainTextOnly.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -1810,11 +1832,11 @@ public class FragmentCompose extends FragmentBase {
     }
 
     private void onMenuContactGroup() {
-        Bundle args = new Bundle();
-        args.putLong("working", working);
+        onMenuContactGroup(view.findFocus());
+    }
 
+    private void onMenuContactGroup(View v) {
         int focussed = 0;
-        View v = view.findFocus();
         if (v != null) {
             if (v.getId() == R.id.etCc)
                 focussed = 1;
@@ -1822,6 +1844,8 @@ public class FragmentCompose extends FragmentBase {
                 focussed = 2;
         }
 
+        Bundle args = new Bundle();
+        args.putLong("working", working);
         args.putInt("focussed", focussed);
 
         Helper.hideKeyboard(view);