summaryrefslogtreecommitdiff
path: root/layout/mathml/nsMathMLmtableFrame.h
diff options
context:
space:
mode:
Diffstat (limited to 'layout/mathml/nsMathMLmtableFrame.h')
-rw-r--r--layout/mathml/nsMathMLmtableFrame.h334
1 files changed, 334 insertions, 0 deletions
diff --git a/layout/mathml/nsMathMLmtableFrame.h b/layout/mathml/nsMathMLmtableFrame.h
new file mode 100644
index 000000000..5cb4fc4a2
--- /dev/null
+++ b/layout/mathml/nsMathMLmtableFrame.h
@@ -0,0 +1,334 @@
+/* -*- 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 nsMathMLmtableFrame_h___
+#define nsMathMLmtableFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsMathMLContainerFrame.h"
+#include "nsBlockFrame.h"
+#include "nsTableWrapperFrame.h"
+#include "nsTableRowFrame.h"
+#include "nsTableCellFrame.h"
+
+//
+// <mtable> -- table or matrix
+//
+
+class nsMathMLmtableWrapperFrame : public nsTableWrapperFrame,
+ public nsMathMLFrame
+{
+public:
+ friend nsContainerFrame*
+ NS_NewMathMLmtableOuterFrame(nsIPresShell* aPresShell,
+ nsStyleContext* aContext);
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS
+
+ // overloaded nsTableWrapperFrame methods
+
+ virtual void
+ Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ virtual nsresult
+ AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsTableWrapperFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
+ }
+
+protected:
+ explicit nsMathMLmtableWrapperFrame(nsStyleContext* aContext)
+ : nsTableWrapperFrame(aContext) {}
+ 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 : public nsTableFrame
+{
+public:
+ NS_DECL_QUERYFRAME_TARGET(nsMathMLmtableFrame)
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS
+
+ friend nsContainerFrame*
+ NS_NewMathMLmtableFrame(nsIPresShell* aPresShell,
+ nsStyleContext* aContext);
+
+ // Overloaded nsTableFrame methods
+
+ virtual void
+ SetInitialChildList(ChildListID aListID,
+ nsFrameList& aChildList) override;
+
+ virtual void
+ AppendFrames(ChildListID aListID,
+ nsFrameList& aFrameList) override
+ {
+ nsTableFrame::AppendFrames(aListID, aFrameList);
+ RestyleTable();
+ }
+
+ virtual void
+ InsertFrames(ChildListID aListID,
+ nsIFrame* aPrevFrame,
+ nsFrameList& aFrameList) override
+ {
+ nsTableFrame::InsertFrames(aListID, aPrevFrame, aFrameList);
+ RestyleTable();
+ }
+
+ virtual void
+ RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override
+ {
+ nsTableFrame::RemoveFrame(aListID, aOldFrame);
+ RestyleTable();
+ }
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsTableFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
+ }
+
+ // 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;
+ }
+
+ void SetRowSpacingArray(const nsTArray<nscoord>& aRowSpacing)
+ {
+ mRowSpacing = aRowSpacing;
+ }
+
+ 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(nsStyleContext* aContext)
+ : nsTableFrame(aContext) {}
+ virtual ~nsMathMLmtableFrame();
+
+private:
+ nsTArray<nscoord> mColSpacing;
+ nsTArray<nscoord> mRowSpacing;
+ nscoord mFrameSpacingX;
+ nscoord mFrameSpacingY;
+ bool mUseCSSSpacing;
+}; // class nsMathMLmtableFrame
+
+// --------------
+
+class nsMathMLmtrFrame : public nsTableRowFrame
+{
+public:
+ NS_DECL_FRAMEARENA_HELPERS
+
+ friend nsContainerFrame*
+ NS_NewMathMLmtrFrame(nsIPresShell* aPresShell,
+ nsStyleContext* aContext);
+
+ // overloaded nsTableRowFrame methods
+
+ virtual nsresult
+ AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ virtual void
+ AppendFrames(ChildListID aListID,
+ nsFrameList& aFrameList) override
+ {
+ nsTableRowFrame::AppendFrames(aListID, aFrameList);
+ RestyleTable();
+ }
+
+ virtual void
+ InsertFrames(ChildListID aListID,
+ nsIFrame* aPrevFrame,
+ nsFrameList& aFrameList) override
+ {
+ nsTableRowFrame::InsertFrames(aListID, aPrevFrame, aFrameList);
+ RestyleTable();
+ }
+
+ virtual void
+ RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override
+ {
+ nsTableRowFrame::RemoveFrame(aListID, aOldFrame);
+ RestyleTable();
+ }
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsTableRowFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
+ }
+
+ // helper to restyle and reflow the table -- @see nsMathMLmtableFrame.
+ void RestyleTable()
+ {
+ nsTableFrame* tableFrame = GetTableFrame();
+ if (tableFrame && tableFrame->IsFrameOfType(nsIFrame::eMathML)) {
+ // relayout the table
+ ((nsMathMLmtableFrame*)tableFrame)->RestyleTable();
+ }
+ }
+
+protected:
+ explicit nsMathMLmtrFrame(nsStyleContext* aContext)
+ : nsTableRowFrame(aContext) {}
+ virtual ~nsMathMLmtrFrame();
+}; // class nsMathMLmtrFrame
+
+// --------------
+
+class nsMathMLmtdFrame : public nsTableCellFrame
+{
+public:
+ NS_DECL_FRAMEARENA_HELPERS
+
+ friend nsContainerFrame*
+ NS_NewMathMLmtdFrame(nsIPresShell* aPresShell,
+ nsStyleContext* aContext,
+ nsTableFrame* aTableFrame);
+
+ // overloaded nsTableCellFrame methods
+
+ virtual void Init(nsIContent* aContent,
+ nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+
+ virtual nsresult
+ AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ virtual uint8_t GetVerticalAlign() const override;
+ virtual nsresult ProcessBorders(nsTableFrame* aFrame,
+ nsDisplayListBuilder* aBuilder,
+ const nsDisplayListSet& aLists) override;
+
+ virtual int32_t GetRowSpan() override;
+ virtual int32_t GetColSpan() override;
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsTableCellFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
+ }
+
+ virtual LogicalMargin GetBorderWidth(WritingMode aWM) const override;
+
+ virtual nsMargin GetBorderOverflow() override;
+
+protected:
+ nsMathMLmtdFrame(nsStyleContext* aContext, nsTableFrame* aTableFrame)
+ : nsTableCellFrame(aContext, aTableFrame) {}
+ virtual ~nsMathMLmtdFrame();
+}; // class nsMathMLmtdFrame
+
+// --------------
+
+class nsMathMLmtdInnerFrame : public nsBlockFrame,
+ public nsMathMLFrame
+{
+public:
+ friend nsContainerFrame*
+ NS_NewMathMLmtdInnerFrame(nsIPresShell* aPresShell,
+ nsStyleContext* aContext);
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS
+
+ // 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;
+ }
+
+ virtual void
+ Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsBlockFrame::IsFrameOfType(aFlags &
+ ~(nsIFrame::eMathML | nsIFrame::eExcludesIgnorableWhitespace));
+ }
+
+ virtual const nsStyleText* StyleTextForLineLayout() override;
+ virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
+
+ bool
+ IsMrowLike() override
+ {
+ return mFrames.FirstChild() !=
+ mFrames.LastChild() ||
+ !mFrames.FirstChild();
+ }
+
+protected:
+ explicit nsMathMLmtdInnerFrame(nsStyleContext* aContext);
+ virtual ~nsMathMLmtdInnerFrame();
+
+ nsStyleText* mUniqueStyleText;
+
+}; // class nsMathMLmtdInnerFrame
+
+#endif /* nsMathMLmtableFrame_h___ */