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diff --git a/layout/mathml/nsMathMLmtableFrame.h b/layout/mathml/nsMathMLmtableFrame.h
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+/* -*- 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 nsMathMLmtableFrame_h___
+#define nsMathMLmtableFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "mozilla/UniquePtr.h"
+#include "nsMathMLContainerFrame.h"
+#include "nsBlockFrame.h"
+#include "nsTableWrapperFrame.h"
+#include "nsTableRowFrame.h"
+#include "nsTableCellFrame.h"
+
+namespace mozilla {
+class nsDisplayListBuilder;
+class nsDisplayListSet;
+class PresShell;
+} // namespace mozilla
+
+//
+// <mtable> -- table or matrix
+//
+
+class nsMathMLmtableWrapperFrame final : public nsTableWrapperFrame,
+ public nsMathMLFrame {
+ public:
+ friend nsContainerFrame* NS_NewMathMLmtableOuterFrame(
+ mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS(nsMathMLmtableWrapperFrame)
+
+ // overloaded nsTableWrapperFrame methods
+
+ void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+ int32_t aModType) override;
+
+ protected:
+ explicit nsMathMLmtableWrapperFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext)
+ : nsTableWrapperFrame(aStyle, aPresContext, kClassID) {}
+
+ virtual ~nsMathMLmtableWrapperFrame();
+
+ // helper to find the row frame at a given index, positive or negative, e.g.,
+ // 1..n means the first row down to the last row, -1..-n means the last row
+ // up to the first row. Used for alignments that are relative to a given row
+ nsIFrame* GetRowFrameAt(int32_t aRowIndex);
+}; // class nsMathMLmtableWrapperFrame
+
+// --------------
+
+class nsMathMLmtableFrame final : public nsTableFrame {
+ public:
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS(nsMathMLmtableFrame)
+
+ friend nsContainerFrame* NS_NewMathMLmtableFrame(
+ mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
+
+ // Overloaded nsTableFrame methods
+
+ void SetInitialChildList(ChildListID aListID,
+ nsFrameList&& aChildList) override;
+
+ void AppendFrames(ChildListID aListID, nsFrameList&& aFrameList) override {
+ nsTableFrame::AppendFrames(aListID, std::move(aFrameList));
+ RestyleTable();
+ }
+
+ void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
+ const nsLineList::iterator* aPrevFrameLine,
+ nsFrameList&& aFrameList) override {
+ nsTableFrame::InsertFrames(aListID, aPrevFrame, aPrevFrameLine,
+ std::move(aFrameList));
+ RestyleTable();
+ }
+
+ void RemoveFrame(DestroyContext& aContext, ChildListID aListID,
+ nsIFrame* aOldFrame) override {
+ nsTableFrame::RemoveFrame(aContext, aListID, aOldFrame);
+ RestyleTable();
+ }
+
+ // helper to restyle and reflow the table when a row is changed -- since
+ // MathML attributes are inter-dependent and row/colspan can affect the table,
+ // it is safer (albeit grossly suboptimal) to just relayout the whole thing.
+ void RestyleTable();
+
+ /** helper to get the column spacing style value */
+ nscoord GetColSpacing(int32_t aColIndex) override;
+
+ /** Sums the combined cell spacing between the columns aStartColIndex to
+ * aEndColIndex.
+ */
+ nscoord GetColSpacing(int32_t aStartColIndex, int32_t aEndColIndex) override;
+
+ /** helper to get the row spacing style value */
+ nscoord GetRowSpacing(int32_t aRowIndex) override;
+
+ /** Sums the combined cell spacing between the rows aStartRowIndex to
+ * aEndRowIndex.
+ */
+ nscoord GetRowSpacing(int32_t aStartRowIndex, int32_t aEndRowIndex) override;
+
+ void SetColSpacingArray(const nsTArray<nscoord>& aColSpacing) {
+ mColSpacing = aColSpacing.Clone();
+ }
+
+ void SetRowSpacingArray(const nsTArray<nscoord>& aRowSpacing) {
+ mRowSpacing = aRowSpacing.Clone();
+ }
+
+ void SetFrameSpacing(nscoord aSpacingX, nscoord aSpacingY) {
+ mFrameSpacingX = aSpacingX;
+ mFrameSpacingY = aSpacingY;
+ }
+
+ /** Determines whether the placement of table cells is determined by CSS
+ * spacing based on padding and border-spacing, or one based upon the
+ * rowspacing, columnspacing and framespacing attributes. The second
+ * approach is used if the user specifies at least one of those attributes.
+ */
+ void SetUseCSSSpacing();
+ bool GetUseCSSSpacing() { return mUseCSSSpacing; }
+
+ protected:
+ explicit nsMathMLmtableFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext)
+ : nsTableFrame(aStyle, aPresContext, kClassID),
+ mFrameSpacingX(0),
+ mFrameSpacingY(0),
+ mUseCSSSpacing(false) {}
+
+ virtual ~nsMathMLmtableFrame();
+
+ private:
+ nsTArray<nscoord> mColSpacing;
+ nsTArray<nscoord> mRowSpacing;
+ nscoord mFrameSpacingX;
+ nscoord mFrameSpacingY;
+ bool mUseCSSSpacing;
+}; // class nsMathMLmtableFrame
+
+// --------------
+
+class nsMathMLmtrFrame final : public nsTableRowFrame {
+ public:
+ NS_DECL_FRAMEARENA_HELPERS(nsMathMLmtrFrame)
+
+ friend nsContainerFrame* NS_NewMathMLmtrFrame(mozilla::PresShell* aPresShell,
+ ComputedStyle* aStyle);
+
+ // overloaded nsTableRowFrame methods
+
+ virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+ int32_t aModType) override;
+
+ void AppendFrames(ChildListID aListID, nsFrameList&& aFrameList) override {
+ nsTableRowFrame::AppendFrames(aListID, std::move(aFrameList));
+ RestyleTable();
+ }
+
+ void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
+ const nsLineList::iterator* aPrevFrameLine,
+ nsFrameList&& aFrameList) override {
+ nsTableRowFrame::InsertFrames(aListID, aPrevFrame, aPrevFrameLine,
+ std::move(aFrameList));
+ RestyleTable();
+ }
+
+ void RemoveFrame(DestroyContext& aContext, ChildListID aListID,
+ nsIFrame* aOldFrame) override {
+ nsTableRowFrame::RemoveFrame(aContext, aListID, aOldFrame);
+ RestyleTable();
+ }
+
+ // helper to restyle and reflow the table -- @see nsMathMLmtableFrame.
+ void RestyleTable() {
+ nsTableFrame* tableFrame = GetTableFrame();
+ if (tableFrame && tableFrame->IsMathMLFrame()) {
+ // relayout the table
+ ((nsMathMLmtableFrame*)tableFrame)->RestyleTable();
+ }
+ }
+
+ protected:
+ explicit nsMathMLmtrFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
+ : nsTableRowFrame(aStyle, aPresContext, kClassID) {}
+
+ virtual ~nsMathMLmtrFrame();
+}; // class nsMathMLmtrFrame
+
+// --------------
+
+class nsMathMLmtdFrame final : public nsTableCellFrame {
+ public:
+ NS_DECL_FRAMEARENA_HELPERS(nsMathMLmtdFrame)
+
+ friend nsContainerFrame* NS_NewMathMLmtdFrame(mozilla::PresShell* aPresShell,
+ ComputedStyle* aStyle,
+ nsTableFrame* aTableFrame);
+
+ // overloaded nsTableCellFrame methods
+
+ void Init(nsIContent* aContent, nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+
+ nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+ int32_t aModType) override;
+
+ mozilla::StyleVerticalAlignKeyword GetVerticalAlign() const override;
+ void ProcessBorders(nsTableFrame* aFrame,
+ mozilla::nsDisplayListBuilder* aBuilder,
+ const mozilla::nsDisplayListSet& aLists) override;
+
+ LogicalMargin GetBorderWidth(WritingMode aWM) const override;
+
+ nsMargin GetBorderOverflow() override;
+
+ protected:
+ nsMathMLmtdFrame(ComputedStyle* aStyle, nsTableFrame* aTableFrame)
+ : nsTableCellFrame(aStyle, aTableFrame, kClassID) {}
+
+ virtual ~nsMathMLmtdFrame();
+}; // class nsMathMLmtdFrame
+
+// --------------
+
+class nsMathMLmtdInnerFrame final : public nsBlockFrame, public nsMathMLFrame {
+ public:
+ friend nsContainerFrame* NS_NewMathMLmtdInnerFrame(
+ mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS(nsMathMLmtdInnerFrame)
+
+ // Overloaded nsIMathMLFrame methods
+
+ NS_IMETHOD
+ UpdatePresentationDataFromChildAt(int32_t aFirstIndex, int32_t aLastIndex,
+ uint32_t aFlagsValues,
+ uint32_t aFlagsToUpdate) override {
+ nsMathMLContainerFrame::PropagatePresentationDataFromChildAt(
+ this, aFirstIndex, aLastIndex, aFlagsValues, aFlagsToUpdate);
+ return NS_OK;
+ }
+
+ void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ const nsStyleText* StyleTextForLineLayout() override;
+ void DidSetComputedStyle(ComputedStyle* aOldComputedStyle) override;
+
+ bool IsMrowLike() override {
+ return mFrames.FirstChild() != mFrames.LastChild() || !mFrames.FirstChild();
+ }
+
+ protected:
+ explicit nsMathMLmtdInnerFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext);
+ virtual ~nsMathMLmtdInnerFrame() = default;
+
+ mozilla::UniquePtr<nsStyleText> mUniqueStyleText;
+
+}; // class nsMathMLmtdInnerFrame
+
+#endif /* nsMathMLmtableFrame_h___ */
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