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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/mathml/nsMathMLmrootFrame.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/mathml/nsMathMLmrootFrame.h')
-rw-r--r--layout/mathml/nsMathMLmrootFrame.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/layout/mathml/nsMathMLmrootFrame.h b/layout/mathml/nsMathMLmrootFrame.h
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+++ b/layout/mathml/nsMathMLmrootFrame.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsMathMLmrootFrame_h___
+#define nsMathMLmrootFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsMathMLContainerFrame.h"
+#include "nsMathMLChar.h"
+
+//
+// <msqrt> and <mroot> -- form a radical
+//
+
+class nsMathMLmrootFrame : public nsMathMLContainerFrame {
+public:
+ NS_DECL_FRAMEARENA_HELPERS
+
+ friend nsIFrame* NS_NewMathMLmrootFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+
+ virtual void
+ SetAdditionalStyleContext(int32_t aIndex,
+ nsStyleContext* aStyleContext) override;
+ virtual nsStyleContext*
+ GetAdditionalStyleContext(int32_t aIndex) const override;
+
+ virtual void
+ Init(nsIContent* aContent,
+ nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+
+ NS_IMETHOD
+ TransmitAutomaticData() override;
+
+ virtual void
+ Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ void
+ GetRadicalXOffsets(nscoord aIndexWidth, nscoord aSqrWidth,
+ nsFontMetrics* aFontMetrics,
+ nscoord* aIndexOffset,
+ nscoord* aSqrOffset);
+
+ virtual void
+ GetIntrinsicISizeMetrics(nsRenderingContext* aRenderingContext,
+ ReflowOutput& aDesiredSize) override;
+
+ virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override;
+
+ uint8_t
+ ScriptIncrement(nsIFrame* aFrame) override
+ {
+ return (aFrame && aFrame == mFrames.LastChild()) ? 2 : 0;
+ }
+
+protected:
+ explicit nsMathMLmrootFrame(nsStyleContext* aContext);
+ virtual ~nsMathMLmrootFrame();
+
+ nsMathMLChar mSqrChar;
+ nsRect mBarRect;
+};
+
+#endif /* nsMathMLmrootFrame_h___ */