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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
#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;
mozilla::LogicalMargin GetBorderWidth(
mozilla::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___ */