1 files changed, 39 insertions, 0 deletions
diff --git a/layout/generic/nsRubyContentFrame.cpp b/layout/generic/nsRubyContentFrame.cpp
new file mode 100644
index 0000000000..b7b29c5a8a
--- /dev/null
+++ b/layout/generic/nsRubyContentFrame.cpp
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* base class for ruby rendering objects that directly contain content */
+
+#include "nsRubyContentFrame.h"
+
+#include "mozilla/ComputedStyle.h"
+#include "nsPresContext.h"
+#include "nsCSSAnonBoxes.h"
+
+using namespace mozilla;
+
+//----------------------------------------------------------------------
+
+// nsRubyContentFrame Method Implementations
+// ======================================
+
+/* virtual */
+bool nsRubyContentFrame::IsFrameOfType(uint32_t aFlags) const {
+  if (aFlags & eBidiInlineContainer) {
+    return false;
+  }
+  return nsInlineFrame::IsFrameOfType(aFlags);
+}
+
+bool nsRubyContentFrame::IsIntraLevelWhitespace() const {
+  auto pseudoType = Style()->GetPseudoType();
+  if (pseudoType != PseudoStyleType::rubyBase &&
+      pseudoType != PseudoStyleType::rubyText) {
+    return false;
+  }
+
+  nsIFrame* child = mFrames.OnlyChild();
+  return child && child->GetContent()->TextIsOnlyWhitespace();
+}