Allow selecting no send font

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

@@ -158,6 +158,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
         String[] fontNameValues = getResources().getStringArray(R.array.fontNameValues);
 
         List<CharSequence> fn = new ArrayList<>();
+        fn.add("-");
         for (int i = 0; i < fontNameNames.length; i++) {
             SpannableStringBuilder ssb = new SpannableStringBuilderEx(fontNameNames[i]);
             ssb.setSpan(new TypefaceSpan(fontNameValues[i]), 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
@@ -291,7 +292,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
         spComposeFont.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id) {
-                String value = fontNameValues[position];
+                String value = (position == 0 ? "" : fontNameValues[position - 1]);
                 boolean monospaced = prefs.getBoolean("monospaced", false);
                 if (value.equals(monospaced ? "monospace" : "sans-serif"))
                     prefs.edit().remove("compose_font").apply();
@@ -555,7 +556,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
         String[] fontNameValues = getResources().getStringArray(R.array.fontNameValues);
         for (int pos = 0; pos < fontNameValues.length; pos++)
             if (fontNameValues[pos].equals(compose_font)) {
-                spComposeFont.setSelection(pos);
+                spComposeFont.setSelection(pos + 1);
                 break;
             }
 

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

@@ -704,15 +704,16 @@ public class MessageHelper {
             if (auto_link)
                 HtmlHelper.autoLink(document);
 
-            for (Element child : document.body().children())
-                if (!TextUtils.isEmpty(child.text()) &&
-                        TextUtils.isEmpty(child.attr("fairemail"))) {
-                    String old = child.attr("style");
-                    String style = HtmlHelper.mergeStyles(
-                            "font-family:" + compose_font, old);
-                    if (!old.equals(style))
-                        child.attr("style", style);
-                }
+            if (!TextUtils.isEmpty(compose_font))
+                for (Element child : document.body().children())
+                    if (!TextUtils.isEmpty(child.text()) &&
+                            TextUtils.isEmpty(child.attr("fairemail"))) {
+                        String old = child.attr("style");
+                        String style = HtmlHelper.mergeStyles(
+                                "font-family:" + compose_font, old);
+                        if (!old.equals(style))
+                            child.attr("style", style);
+                    }
 
             document.select("div[fairemail=signature]").removeAttr("fairemail");
             document.select("div[fairemail=reference]").removeAttr("fairemail");