443 lines
15 KiB
C++
443 lines
15 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 nsTableRowFrame_h__
|
|
#define nsTableRowFrame_h__
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nscore.h"
|
|
#include "nsContainerFrame.h"
|
|
#include "nsTableRowGroupFrame.h"
|
|
#include "mozilla/WritingModes.h"
|
|
|
|
class nsTableCellFrame;
|
|
namespace mozilla {
|
|
struct TableCellReflowInput;
|
|
} // namespace mozilla
|
|
|
|
/**
|
|
* nsTableRowFrame is the frame that maps table rows
|
|
* (HTML tag TR). This class cannot be reused
|
|
* outside of an nsTableRowGroupFrame. It assumes that its parent is an nsTableRowGroupFrame,
|
|
* and its children are nsTableCellFrames.
|
|
*
|
|
* @see nsTableFrame
|
|
* @see nsTableRowGroupFrame
|
|
* @see nsTableCellFrame
|
|
*/
|
|
class nsTableRowFrame : public nsContainerFrame
|
|
{
|
|
using TableCellReflowInput = mozilla::TableCellReflowInput;
|
|
|
|
public:
|
|
NS_DECL_QUERYFRAME_TARGET(nsTableRowFrame)
|
|
NS_DECL_QUERYFRAME
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
virtual ~nsTableRowFrame();
|
|
|
|
virtual void Init(nsIContent* aContent,
|
|
nsContainerFrame* aParent,
|
|
nsIFrame* aPrevInFlow) override;
|
|
|
|
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
|
|
|
|
/** @see nsIFrame::DidSetStyleContext */
|
|
virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
|
|
|
|
virtual void AppendFrames(ChildListID aListID,
|
|
nsFrameList& aFrameList) override;
|
|
virtual void InsertFrames(ChildListID aListID,
|
|
nsIFrame* aPrevFrame,
|
|
nsFrameList& aFrameList) override;
|
|
virtual void RemoveFrame(ChildListID aListID,
|
|
nsIFrame* aOldFrame) override;
|
|
|
|
/** instantiate a new instance of nsTableRowFrame.
|
|
* @param aPresShell the pres shell for this frame
|
|
*
|
|
* @return the frame that was created
|
|
*/
|
|
friend nsTableRowFrame* NS_NewTableRowFrame(nsIPresShell* aPresShell,
|
|
nsStyleContext* aContext);
|
|
|
|
nsTableRowGroupFrame* GetTableRowGroupFrame() const
|
|
{
|
|
nsIFrame* parent = GetParent();
|
|
MOZ_ASSERT(parent && parent->GetType() == nsGkAtoms::tableRowGroupFrame);
|
|
return static_cast<nsTableRowGroupFrame*>(parent);
|
|
}
|
|
|
|
nsTableFrame* GetTableFrame() const
|
|
{
|
|
return GetTableRowGroupFrame()->GetTableFrame();
|
|
}
|
|
|
|
virtual nsMargin GetUsedMargin() const override;
|
|
virtual nsMargin GetUsedBorder() const override;
|
|
virtual nsMargin GetUsedPadding() const override;
|
|
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayListSet& aLists) override;
|
|
|
|
void PaintCellBackgroundsForFrame(nsIFrame* aFrame,
|
|
nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayListSet& aLists,
|
|
const nsPoint& aOffset = nsPoint());
|
|
|
|
// Implemented in nsTableCellFrame.h, because it needs to know about the
|
|
// nsTableCellFrame class, but we can't include nsTableCellFrame.h here.
|
|
inline nsTableCellFrame* GetFirstCell() const;
|
|
|
|
/** calls Reflow for all of its child cells.
|
|
* Cells with rowspan=1 are all set to the same height and stacked horizontally.
|
|
* <P> Cells are not split unless absolutely necessary.
|
|
* <P> Cells are resized in nsTableFrame::BalanceColumnWidths
|
|
* and nsTableFrame::ShrinkWrapChildren
|
|
*
|
|
* @param aDesiredSize width set to width of the sum of the cells, height set to
|
|
* height of cells with rowspan=1.
|
|
*
|
|
* @see nsIFrame::Reflow
|
|
* @see nsTableFrame::BalanceColumnWidths
|
|
* @see nsTableFrame::ShrinkWrapChildren
|
|
*/
|
|
virtual void Reflow(nsPresContext* aPresContext,
|
|
ReflowOutput& aDesiredSize,
|
|
const ReflowInput& aReflowInput,
|
|
nsReflowStatus& aStatus) override;
|
|
|
|
void DidResize();
|
|
|
|
/**
|
|
* Get the "type" of the frame
|
|
*
|
|
* @see nsGkAtoms::tableRowFrame
|
|
*/
|
|
virtual nsIAtom* GetType() const override;
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const override;
|
|
#endif
|
|
|
|
virtual mozilla::WritingMode GetWritingMode() const override
|
|
{ return GetTableFrame()->GetWritingMode(); }
|
|
|
|
void UpdateBSize(nscoord aBSize,
|
|
nscoord aAscent,
|
|
nscoord aDescent,
|
|
nsTableFrame* aTableFrame = nullptr,
|
|
nsTableCellFrame* aCellFrame = nullptr);
|
|
|
|
void ResetBSize(nscoord aRowStyleBSize);
|
|
|
|
// calculate the bsize, considering content bsize of the
|
|
// cells and the style bsize of the row and cells, excluding pct bsizes
|
|
nscoord CalcBSize(const ReflowInput& aReflowInput);
|
|
|
|
// Support for cells with 'vertical-align: baseline'.
|
|
|
|
/**
|
|
* returns the max-ascent amongst all the cells that have
|
|
* 'vertical-align: baseline', *including* cells with rowspans.
|
|
* returns 0 if we don't have any cell with 'vertical-align: baseline'
|
|
*/
|
|
nscoord GetMaxCellAscent() const;
|
|
|
|
/* return the row ascent
|
|
*/
|
|
nscoord GetRowBaseline(mozilla::WritingMode aWritingMode);
|
|
|
|
/** returns the ordinal position of this row in its table */
|
|
virtual int32_t GetRowIndex() const;
|
|
|
|
/** set this row's starting row index */
|
|
void SetRowIndex (int aRowIndex);
|
|
|
|
/** used by row group frame code */
|
|
nscoord ReflowCellFrame(nsPresContext* aPresContext,
|
|
const ReflowInput& aReflowInput,
|
|
bool aIsTopOfPage,
|
|
nsTableCellFrame* aCellFrame,
|
|
nscoord aAvailableBSize,
|
|
nsReflowStatus& aStatus);
|
|
/**
|
|
* Collapse the row if required, apply col and colgroup visibility: collapse
|
|
* info to the cells in the row.
|
|
* @return the amount to shift bstart-wards all following rows
|
|
* @param aRowOffset - shift the row bstart-wards by this amount
|
|
* @param aISize - new isize of the row
|
|
* @param aCollapseGroup - parent rowgroup is collapsed so this row needs
|
|
* to be collapsed
|
|
* @param aDidCollapse - the row has been collapsed
|
|
*/
|
|
nscoord CollapseRowIfNecessary(nscoord aRowOffset,
|
|
nscoord aISize,
|
|
bool aCollapseGroup,
|
|
bool& aDidCollapse);
|
|
|
|
/**
|
|
* Insert a cell frame after the last cell frame that has a col index
|
|
* that is less than aColIndex. If no such cell frame is found the
|
|
* frame to insert is prepended to the child list.
|
|
* @param aFrame the cell frame to insert
|
|
* @param aColIndex the col index
|
|
*/
|
|
void InsertCellFrame(nsTableCellFrame* aFrame,
|
|
int32_t aColIndex);
|
|
|
|
nsresult CalculateCellActualBSize(nsTableCellFrame* aCellFrame,
|
|
nscoord& aDesiredBSize,
|
|
mozilla::WritingMode aWM);
|
|
|
|
bool IsFirstInserted() const;
|
|
void SetFirstInserted(bool aValue);
|
|
|
|
nscoord GetContentBSize() const;
|
|
void SetContentBSize(nscoord aTwipValue);
|
|
|
|
bool HasStyleBSize() const;
|
|
|
|
bool HasFixedBSize() const;
|
|
void SetHasFixedBSize(bool aValue);
|
|
|
|
bool HasPctBSize() const;
|
|
void SetHasPctBSize(bool aValue);
|
|
|
|
nscoord GetFixedBSize() const;
|
|
void SetFixedBSize(nscoord aValue);
|
|
|
|
float GetPctBSize() const;
|
|
void SetPctBSize(float aPctValue,
|
|
bool aForce = false);
|
|
|
|
nscoord GetInitialBSize(nscoord aBasis = 0) const;
|
|
|
|
nsTableRowFrame* GetNextRow() const;
|
|
|
|
bool HasUnpaginatedBSize();
|
|
void SetHasUnpaginatedBSize(bool aValue);
|
|
nscoord GetUnpaginatedBSize();
|
|
void SetUnpaginatedBSize(nsPresContext* aPresContext, nscoord aValue);
|
|
|
|
nscoord GetBStartBCBorderWidth() const { return mBStartBorderWidth; }
|
|
nscoord GetBEndBCBorderWidth() const { return mBEndBorderWidth; }
|
|
void SetBStartBCBorderWidth(BCPixelSize aWidth) { mBStartBorderWidth = aWidth; }
|
|
void SetBEndBCBorderWidth(BCPixelSize aWidth) { mBEndBorderWidth = aWidth; }
|
|
mozilla::LogicalMargin GetBCBorderWidth(mozilla::WritingMode aWM);
|
|
|
|
/**
|
|
* Gets inner border widths before collapsing with cell borders
|
|
* Caller must get block-end border from next row or from table
|
|
* GetContinuousBCBorderWidth will not overwrite that border
|
|
* see nsTablePainter about continuous borders
|
|
*/
|
|
void GetContinuousBCBorderWidth(mozilla::WritingMode aWM,
|
|
mozilla::LogicalMargin& aBorder);
|
|
|
|
/**
|
|
* @returns outer block-start bc border == prev row's block-end inner
|
|
*/
|
|
nscoord GetOuterBStartContBCBorderWidth();
|
|
/**
|
|
* Sets full border widths before collapsing with cell borders
|
|
* @param aForSide - side to set; only accepts iend, istart, and bstart
|
|
*/
|
|
void SetContinuousBCBorderWidth(mozilla::LogicalSide aForSide,
|
|
BCPixelSize aPixelValue);
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const override
|
|
{
|
|
return nsContainerFrame::IsFrameOfType(aFlags & ~(nsIFrame::eTablePart));
|
|
}
|
|
|
|
virtual void InvalidateFrame(uint32_t aDisplayItemKey = 0) override;
|
|
virtual void InvalidateFrameWithRect(const nsRect& aRect, uint32_t aDisplayItemKey = 0) override;
|
|
virtual void InvalidateFrameForRemoval() override { InvalidateFrameSubtree(); }
|
|
|
|
#ifdef ACCESSIBILITY
|
|
virtual mozilla::a11y::AccType AccessibleType() override;
|
|
#endif
|
|
|
|
protected:
|
|
|
|
/** protected constructor.
|
|
* @see NewFrame
|
|
*/
|
|
explicit nsTableRowFrame(nsStyleContext *aContext);
|
|
|
|
void InitChildReflowInput(nsPresContext& aPresContext,
|
|
const mozilla::LogicalSize& aAvailSize,
|
|
bool aBorderCollapse,
|
|
TableCellReflowInput& aReflowInput);
|
|
|
|
virtual LogicalSides GetLogicalSkipSides(const ReflowInput* aReflowInput = nullptr) const override;
|
|
|
|
// row-specific methods
|
|
|
|
nscoord ComputeCellXOffset(const ReflowInput& aState,
|
|
nsIFrame* aKidFrame,
|
|
const nsMargin& aKidMargin) const;
|
|
/**
|
|
* Called for incremental/dirty and resize reflows. If aDirtyOnly is true then
|
|
* only reflow dirty cells.
|
|
*/
|
|
void ReflowChildren(nsPresContext* aPresContext,
|
|
ReflowOutput& aDesiredSize,
|
|
const ReflowInput& aReflowInput,
|
|
nsTableFrame& aTableFrame,
|
|
nsReflowStatus& aStatus);
|
|
|
|
private:
|
|
struct RowBits {
|
|
unsigned mRowIndex:29;
|
|
unsigned mHasFixedBSize:1; // set if the dominating style bsize on the row or any cell is pixel based
|
|
unsigned mHasPctBSize:1; // set if the dominating style bsize on the row or any cell is pct based
|
|
unsigned mFirstInserted:1; // if true, then it was the bstart-most newly inserted row
|
|
} mBits;
|
|
|
|
// the desired bsize based on the content of the tallest cell in the row
|
|
nscoord mContentBSize;
|
|
// the bsize based on a style percentage bsize on either the row or any cell
|
|
// if mHasPctBSize is set
|
|
nscoord mStylePctBSize;
|
|
// the bsize based on a style pixel bsize on the row or any
|
|
// cell if mHasFixedBSize is set
|
|
nscoord mStyleFixedBSize;
|
|
|
|
// max-ascent and max-descent amongst all cells that have 'vertical-align: baseline'
|
|
nscoord mMaxCellAscent; // does include cells with rowspan > 1
|
|
nscoord mMaxCellDescent; // does *not* include cells with rowspan > 1
|
|
|
|
// border widths in pixels in the collapsing border model of the *inner*
|
|
// half of the border only
|
|
BCPixelSize mBStartBorderWidth;
|
|
BCPixelSize mBEndBorderWidth;
|
|
BCPixelSize mIEndContBorderWidth;
|
|
BCPixelSize mBStartContBorderWidth;
|
|
BCPixelSize mIStartContBorderWidth;
|
|
|
|
/**
|
|
* Sets the NS_ROW_HAS_CELL_WITH_STYLE_BSIZE bit to indicate whether
|
|
* this row has any cells that have non-auto-bsize. (Row-spanning
|
|
* cells are ignored.)
|
|
*/
|
|
void InitHasCellWithStyleBSize(nsTableFrame* aTableFrame);
|
|
|
|
};
|
|
|
|
inline int32_t nsTableRowFrame::GetRowIndex() const
|
|
{
|
|
return int32_t(mBits.mRowIndex);
|
|
}
|
|
|
|
inline void nsTableRowFrame::SetRowIndex (int aRowIndex)
|
|
{
|
|
mBits.mRowIndex = aRowIndex;
|
|
}
|
|
|
|
inline bool nsTableRowFrame::IsFirstInserted() const
|
|
{
|
|
return bool(mBits.mFirstInserted);
|
|
}
|
|
|
|
inline void nsTableRowFrame::SetFirstInserted(bool aValue)
|
|
{
|
|
mBits.mFirstInserted = aValue;
|
|
}
|
|
|
|
inline bool nsTableRowFrame::HasStyleBSize() const
|
|
{
|
|
return (bool)mBits.mHasFixedBSize || (bool)mBits.mHasPctBSize;
|
|
}
|
|
|
|
inline bool nsTableRowFrame::HasFixedBSize() const
|
|
{
|
|
return (bool)mBits.mHasFixedBSize;
|
|
}
|
|
|
|
inline void nsTableRowFrame::SetHasFixedBSize(bool aValue)
|
|
{
|
|
mBits.mHasFixedBSize = aValue;
|
|
}
|
|
|
|
inline bool nsTableRowFrame::HasPctBSize() const
|
|
{
|
|
return (bool)mBits.mHasPctBSize;
|
|
}
|
|
|
|
inline void nsTableRowFrame::SetHasPctBSize(bool aValue)
|
|
{
|
|
mBits.mHasPctBSize = aValue;
|
|
}
|
|
|
|
inline nscoord nsTableRowFrame::GetContentBSize() const
|
|
{
|
|
return mContentBSize;
|
|
}
|
|
|
|
inline void nsTableRowFrame::SetContentBSize(nscoord aValue)
|
|
{
|
|
mContentBSize = aValue;
|
|
}
|
|
|
|
inline nscoord nsTableRowFrame::GetFixedBSize() const
|
|
{
|
|
if (mBits.mHasFixedBSize) {
|
|
return mStyleFixedBSize;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
inline float nsTableRowFrame::GetPctBSize() const
|
|
{
|
|
if (mBits.mHasPctBSize) {
|
|
return (float)mStylePctBSize / 100.0f;
|
|
}
|
|
return 0.0f;
|
|
}
|
|
|
|
inline bool nsTableRowFrame::HasUnpaginatedBSize()
|
|
{
|
|
return HasAnyStateBits(NS_TABLE_ROW_HAS_UNPAGINATED_BSIZE);
|
|
}
|
|
|
|
inline void nsTableRowFrame::SetHasUnpaginatedBSize(bool aValue)
|
|
{
|
|
if (aValue) {
|
|
AddStateBits(NS_TABLE_ROW_HAS_UNPAGINATED_BSIZE);
|
|
} else {
|
|
RemoveStateBits(NS_TABLE_ROW_HAS_UNPAGINATED_BSIZE);
|
|
}
|
|
}
|
|
|
|
inline mozilla::LogicalMargin
|
|
nsTableRowFrame::GetBCBorderWidth(mozilla::WritingMode aWM)
|
|
{
|
|
return mozilla::LogicalMargin(
|
|
aWM, nsPresContext::CSSPixelsToAppUnits(mBStartBorderWidth), 0,
|
|
nsPresContext::CSSPixelsToAppUnits(mBEndBorderWidth), 0);
|
|
}
|
|
|
|
inline void
|
|
nsTableRowFrame::GetContinuousBCBorderWidth(mozilla::WritingMode aWM,
|
|
mozilla::LogicalMargin& aBorder)
|
|
{
|
|
int32_t aPixelsToTwips = nsPresContext::AppUnitsPerCSSPixel();
|
|
aBorder.IEnd(aWM) = BC_BORDER_START_HALF_COORD(aPixelsToTwips,
|
|
mIStartContBorderWidth);
|
|
aBorder.BStart(aWM) = BC_BORDER_END_HALF_COORD(aPixelsToTwips,
|
|
mBStartContBorderWidth);
|
|
aBorder.IStart(aWM) = BC_BORDER_END_HALF_COORD(aPixelsToTwips,
|
|
mIEndContBorderWidth);
|
|
}
|
|
|
|
inline nscoord nsTableRowFrame::GetOuterBStartContBCBorderWidth()
|
|
{
|
|
int32_t aPixelsToTwips = nsPresContext::AppUnitsPerCSSPixel();
|
|
return BC_BORDER_START_HALF_COORD(aPixelsToTwips, mBStartContBorderWidth);
|
|
}
|
|
|
|
#endif
|