зеркало из https://github.com/mozilla/gecko-dev.git
329 строки
9.7 KiB
C++
329 строки
9.7 KiB
C++
/* -*- 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 "nsTableOuterFrame.h"
|
|
#include "nsTableRowFrame.h"
|
|
#include "nsTableCellFrame.h"
|
|
|
|
//
|
|
// <mtable> -- table or matrix
|
|
//
|
|
|
|
class nsMathMLmtableOuterFrame : public nsTableOuterFrame,
|
|
public nsMathMLFrame
|
|
{
|
|
public:
|
|
friend nsContainerFrame* NS_NewMathMLmtableOuterFrame(nsIPresShell* aPresShell,
|
|
nsStyleContext* aContext);
|
|
|
|
NS_DECL_QUERYFRAME
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
// overloaded nsTableOuterFrame methods
|
|
|
|
virtual void
|
|
Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus) override;
|
|
|
|
virtual nsresult
|
|
AttributeChanged(int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType) override;
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const override
|
|
{
|
|
return nsTableOuterFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
|
|
}
|
|
|
|
protected:
|
|
explicit nsMathMLmtableOuterFrame(nsStyleContext* aContext) : nsTableOuterFrame(aContext) {}
|
|
virtual ~nsMathMLmtableOuterFrame();
|
|
|
|
// 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 nsMathMLmtableOuterFrame
|
|
|
|
// --------------
|
|
|
|
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,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
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___ */
|