1 files changed, 41 insertions, 0 deletions
diff --git a/layout/generic/nsRubyContentFrame.cpp b/layout/generic/nsRubyContentFrame.cpp
new file mode 100644
index 000000000..c7f0774bb
--- /dev/null
+++ b/layout/generic/nsRubyContentFrame.cpp
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code is subject to the terms of the Mozilla Public License
+ * version 2.0 (the "License"). You can obtain a copy of the License at
+ * http://mozilla.org/MPL/2.0/. */
+
+/* base class for ruby rendering objects that directly contain content */
+
+#include "nsRubyContentFrame.h"
+#include "nsPresContext.h"
+#include "nsStyleContext.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
+{
+  nsIAtom* pseudoType = StyleContext()->GetPseudo();
+  if (pseudoType != nsCSSAnonBoxes::rubyBase &&
+      pseudoType != nsCSSAnonBoxes::rubyText) {
+    return false;
+  }
+
+  nsIFrame* child = mFrames.OnlyChild();
+  return child && child->GetContent()->TextIsOnlyWhitespace();
+}