Show link type in link confirmation dialog (2)

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

@@ -530,12 +530,16 @@ public class FragmentDialogOpenLink extends FragmentDialogBase {
 
         // Initialize
 
+        int icon = 0;
         if (UriHelper.isHyperLink(uri))
-            tvCaption.setCompoundDrawablesWithIntrinsicBounds(R.drawable.twotone_insert_link_45_24, 0, 0, 0);
+            icon = R.drawable.twotone_insert_link_45_24;
+        else if (UriHelper.isMail(uri))
+            icon = R.drawable.twotone_mail_24;
         else if (UriHelper.isPhoneNumber(uri))
-            tvCaption.setCompoundDrawablesWithIntrinsicBounds(R.drawable.twotone_call_24, 0, 0, 0);
+            icon = R.drawable.twotone_call_24;
         else if (UriHelper.isGeo(uri))
-            tvCaption.setCompoundDrawablesWithIntrinsicBounds(R.drawable.twotone_language_24, 0, 0, 0);
+            icon = R.drawable.twotone_language_24;
+        tvCaption.setCompoundDrawablesWithIntrinsicBounds(icon, 0, 0, 0);
 
         tvTitle.setText(title);
         tvTitle.setVisibility(TextUtils.isEmpty(title) ? View.GONE : View.VISIBLE);

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

@@ -544,6 +544,10 @@ public class UriHelper {
                         "https".equalsIgnoreCase(uri.getScheme())));
     }
 
+    static boolean isMail(Uri uri) {
+        return (uri.isOpaque() && "mailto".equalsIgnoreCase(uri.getScheme()));
+    }
+
     static boolean isPhoneNumber(Uri uri) {
         return (uri.isOpaque() && "tel".equalsIgnoreCase(uri.getScheme()));
     }

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

@@ -15,7 +15,9 @@
             android:id="@+id/tvCaption"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
+            android:drawableStart="@drawable/twotone_insert_link_45_24"
             android:drawablePadding="6dp"
+            android:drawableTint="?android:attr/textColorPrimary"
             android:text="@string/title_open_link"
             android:textAppearance="@style/TextAppearance.AppCompat.Large"
             app:layout_constraintEnd_toStartOf="@+id/ibInfo"