webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

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diff --git a/Source/WebCore/rendering/mathml/RenderMathMLToken.h b/Source/WebCore/rendering/mathml/RenderMathMLToken.h
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+++ b/Source/WebCore/rendering/mathml/RenderMathMLToken.h
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+/*
+ * Copyright (C) 2014 Frédéric Wang (fred.wang@free.fr). All rights reserved.
+ * Copyright (C) 2016 Igalia S.L.
+ * Copyright (C) 2016 Apple Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if ENABLE(MATHML)
+
+#include "RenderMathMLBlock.h"
+
+namespace WebCore {
+
+class MathMLTokenElement;
+
+class RenderMathMLToken : public RenderMathMLBlock {
+public:
+    RenderMathMLToken(MathMLTokenElement&, RenderStyle&&);
+    RenderMathMLToken(Document&, RenderStyle&&);
+
+    MathMLTokenElement& element();
+
+    virtual void updateTokenContent();
+    void updateFromElement() override;
+
+protected:
+    void paint(PaintInfo&, const LayoutPoint&) override;
+    void paintChildren(PaintInfo& forSelf, const LayoutPoint&, PaintInfo& forChild, bool usePrintRect) override;
+    std::optional<int> firstLineBaseline() const override;
+    void layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalHeight = 0) override;
+    void computePreferredLogicalWidths() override;
+
+private:
+    bool isRenderMathMLToken() const final { return true; }
+    const char* renderName() const override { return "RenderMathMLToken"; }
+    bool isChildAllowed(const RenderObject&, const RenderStyle&) const final { return true; };
+    void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
+    void updateMathVariantGlyph();
+    void setMathVariantGlyphDirty()
+    {
+        m_mathVariantGlyphDirty = true;
+        setNeedsLayoutAndPrefWidthsRecalc();
+    }
+    std::optional<UChar32> m_mathVariantCodePoint { std::nullopt };
+    bool m_mathVariantIsMirrored { false };
+    bool m_mathVariantGlyphDirty { false };
+};
+
+} // namespace WebCore
+
+SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMathMLToken, isRenderMathMLToken())
+
+#endif // ENABLE(MATHML)