1 files changed, 45 insertions, 0 deletions
diff --git a/layout/generic/MathMLTextRunFactory.h b/layout/generic/MathMLTextRunFactory.h
new file mode 100644
index 0000000000..2be3223f91
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+++ b/layout/generic/MathMLTextRunFactory.h
@@ -0,0 +1,45 @@
+/* -*- 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/. */
+
+#ifndef MATHMLTEXTRUNFACTORY_H_
+#define MATHMLTEXTRUNFACTORY_H_
+
+#include "mozilla/UniquePtr.h"
+#include "nsTextRunTransformations.h"
+
+/**
+ * Builds textruns that render their text with MathML specific renderings.
+ */
+class MathMLTextRunFactory : public nsTransformingTextRunFactory {
+ public:
+  MathMLTextRunFactory(mozilla::UniquePtr<nsTransformingTextRunFactory>
+                           aInnerTransformingTextRunFactory,
+                       uint32_t aFlags, uint8_t aSSTYScriptLevel,
+                       float aFontInflation)
+      : mInnerTransformingTextRunFactory(
+            std::move(aInnerTransformingTextRunFactory)),
+        mFlags(aFlags),
+        mFontInflation(aFontInflation),
+        mSSTYScriptLevel(aSSTYScriptLevel) {}
+
+  static uint32_t MathVariant(uint32_t aCh, mozilla::StyleMathVariant aMathVar);
+  virtual void RebuildTextRun(nsTransformedTextRun* aTextRun,
+                              mozilla::gfx::DrawTarget* aRefDrawTarget,
+                              gfxMissingFontRecorder* aMFR) override;
+  enum {
+    // Style effects which may override single character <mi> behaviour
+    MATH_FONT_FEATURE_DTLS = 0x4,  // font feature dtls should be set
+  };
+
+ protected:
+  mozilla::UniquePtr<nsTransformingTextRunFactory>
+      mInnerTransformingTextRunFactory;
+  uint32_t mFlags;
+  float mFontInflation;
+  uint8_t mSSTYScriptLevel;
+};
+
+#endif /*MATHMLTEXTRUNFACTORY_H_*/