forked from mirrors/gecko-dev
96a2597206
We already compute both the inner table frame and the caption frame's block-sizes in InnerTableShrinkWrapSize() and CaptionShrinkWrapSize(), respectively. Rather than throwing them away, popping them up to ComputeAutoSize(). This is a preparation patch for Part 2, and it hasn't changed the behavior yet. Differential Revision: https://phabricator.services.mozilla.com/D106155
320 lines
12 KiB
C++
320 lines
12 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 nsTableWrapperFrame_h__
|
|
#define nsTableWrapperFrame_h__
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/Maybe.h"
|
|
#include "nscore.h"
|
|
#include "nsContainerFrame.h"
|
|
#include "nsCellMap.h"
|
|
#include "nsTableFrame.h"
|
|
|
|
namespace mozilla {
|
|
class PresShell;
|
|
} // namespace mozilla
|
|
|
|
/**
|
|
* Primary frame for a table element,
|
|
* the nsTableWrapperFrame contains 0 or one caption frame, and a nsTableFrame
|
|
* pseudo-frame (referred to as the "inner frame').
|
|
*/
|
|
class nsTableWrapperFrame : public nsContainerFrame {
|
|
public:
|
|
NS_DECL_QUERYFRAME
|
|
NS_DECL_FRAMEARENA_HELPERS(nsTableWrapperFrame)
|
|
|
|
/** instantiate a new instance of nsTableRowFrame.
|
|
* @param aPresShell the pres shell for this frame
|
|
*
|
|
* @return the frame that was created
|
|
*/
|
|
friend nsTableWrapperFrame* NS_NewTableWrapperFrame(
|
|
mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
|
|
|
|
// nsIFrame overrides - see there for a description
|
|
|
|
virtual void DestroyFrom(nsIFrame* aDestructRoot,
|
|
PostDestroyData& aPostDestroyData) override;
|
|
|
|
virtual const nsFrameList& GetChildList(ChildListID aListID) const override;
|
|
virtual void GetChildLists(nsTArray<ChildList>* aLists) const override;
|
|
|
|
virtual void SetInitialChildList(ChildListID aListID,
|
|
nsFrameList& aChildList) override;
|
|
virtual void AppendFrames(ChildListID aListID,
|
|
nsFrameList& aFrameList) override;
|
|
virtual void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
|
|
const nsLineList::iterator* aPrevFrameLine,
|
|
nsFrameList& aFrameList) override;
|
|
virtual void RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override;
|
|
|
|
virtual nsContainerFrame* GetContentInsertionFrame() override {
|
|
return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
virtual mozilla::a11y::AccType AccessibleType() override;
|
|
#endif
|
|
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayListSet& aLists) override;
|
|
|
|
void BuildDisplayListForInnerTable(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayListSet& aLists);
|
|
|
|
virtual nscoord GetLogicalBaseline(
|
|
mozilla::WritingMode aWritingMode) const override;
|
|
|
|
bool GetNaturalBaselineBOffset(mozilla::WritingMode aWM,
|
|
BaselineSharingGroup aBaselineGroup,
|
|
nscoord* aBaseline) const override {
|
|
if (StyleDisplay()->IsContainLayout()) {
|
|
return false;
|
|
}
|
|
auto innerTable = InnerTableFrame();
|
|
nscoord offset;
|
|
if (innerTable->GetNaturalBaselineBOffset(aWM, aBaselineGroup, &offset)) {
|
|
auto bStart = innerTable->BStart(aWM, mRect.Size());
|
|
if (aBaselineGroup == BaselineSharingGroup::First) {
|
|
*aBaseline = offset + bStart;
|
|
} else {
|
|
auto bEnd = bStart + innerTable->BSize(aWM);
|
|
*aBaseline = BSize(aWM) - (bEnd - offset);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
|
|
virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
|
|
|
|
SizeComputationResult ComputeSize(
|
|
gfxContext* aRenderingContext, mozilla::WritingMode aWM,
|
|
const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
|
|
const mozilla::LogicalSize& aMargin,
|
|
const mozilla::LogicalSize& aBorderPadding,
|
|
const mozilla::StyleSizeOverrides& aSizeOverrides,
|
|
mozilla::ComputeSizeFlags aFlags) override;
|
|
|
|
mozilla::LogicalSize ComputeAutoSize(
|
|
gfxContext* aRenderingContext, mozilla::WritingMode aWM,
|
|
const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
|
|
const mozilla::LogicalSize& aMargin,
|
|
const mozilla::LogicalSize& aBorderPadding,
|
|
const mozilla::StyleSizeOverrides& aSizeOverrides,
|
|
mozilla::ComputeSizeFlags aFlags) override;
|
|
|
|
/** process a reflow command for the table.
|
|
* This involves reflowing the caption and the inner table.
|
|
* @see nsIFrame::Reflow */
|
|
virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
|
|
const ReflowInput& aReflowInput,
|
|
nsReflowStatus& aStatus) override;
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const override;
|
|
#endif
|
|
|
|
virtual ComputedStyle* GetParentComputedStyle(
|
|
nsIFrame** aProviderFrame) const override;
|
|
|
|
/**
|
|
* Return the content for the cell at the given row and column.
|
|
*/
|
|
nsIContent* GetCellAt(uint32_t aRowIdx, uint32_t aColIdx) const;
|
|
|
|
/**
|
|
* Return the number of rows in the table.
|
|
*/
|
|
int32_t GetRowCount() const { return InnerTableFrame()->GetRowCount(); }
|
|
|
|
/**
|
|
* Return the number of columns in the table.
|
|
*/
|
|
int32_t GetColCount() const { return InnerTableFrame()->GetColCount(); }
|
|
|
|
/**
|
|
* Return the index of the cell at the given row and column.
|
|
*/
|
|
int32_t GetIndexByRowAndColumn(int32_t aRowIdx, int32_t aColIdx) const {
|
|
nsTableCellMap* cellMap = InnerTableFrame()->GetCellMap();
|
|
if (!cellMap) return -1;
|
|
|
|
return cellMap->GetIndexByRowAndColumn(aRowIdx, aColIdx);
|
|
}
|
|
|
|
/**
|
|
* Get the row and column indices for the cell at the given index.
|
|
*/
|
|
void GetRowAndColumnByIndex(int32_t aCellIdx, int32_t* aRowIdx,
|
|
int32_t* aColIdx) const {
|
|
*aRowIdx = *aColIdx = 0;
|
|
nsTableCellMap* cellMap = InnerTableFrame()->GetCellMap();
|
|
if (cellMap) {
|
|
cellMap->GetRowAndColumnByIndex(aCellIdx, aRowIdx, aColIdx);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* return the frame for the cell at the given row and column.
|
|
*/
|
|
nsTableCellFrame* GetCellFrameAt(uint32_t aRowIdx, uint32_t aColIdx) const {
|
|
nsTableCellMap* map = InnerTableFrame()->GetCellMap();
|
|
if (!map) {
|
|
return nullptr;
|
|
}
|
|
|
|
return map->GetCellInfoAt(aRowIdx, aColIdx);
|
|
}
|
|
|
|
/**
|
|
* Return the col span of the cell at the given row and column indices.
|
|
*/
|
|
uint32_t GetEffectiveColSpanAt(uint32_t aRowIdx, uint32_t aColIdx) const {
|
|
nsTableCellMap* map = InnerTableFrame()->GetCellMap();
|
|
return map->GetEffectiveColSpan(aRowIdx, aColIdx);
|
|
}
|
|
|
|
/**
|
|
* Return the effective row span of the cell at the given row and column.
|
|
*/
|
|
uint32_t GetEffectiveRowSpanAt(uint32_t aRowIdx, uint32_t aColIdx) const {
|
|
nsTableCellMap* map = InnerTableFrame()->GetCellMap();
|
|
return map->GetEffectiveRowSpan(aRowIdx, aColIdx);
|
|
}
|
|
|
|
protected:
|
|
explicit nsTableWrapperFrame(ComputedStyle* aStyle,
|
|
nsPresContext* aPresContext,
|
|
ClassID aID = kClassID);
|
|
virtual ~nsTableWrapperFrame();
|
|
|
|
using MaybeCaptionSide = Maybe<mozilla::StyleCaptionSide>;
|
|
|
|
// Get a StyleCaptionSide value, or Nothing if no caption is present.
|
|
//
|
|
// (Remember that caption-side values are interpreted logically, despite
|
|
// having "physical" names.)
|
|
MaybeCaptionSide GetCaptionSide() const;
|
|
|
|
bool HasSideCaption() const {
|
|
auto captionSide = GetCaptionSide();
|
|
return captionSide && IsSideCaption(*captionSide);
|
|
}
|
|
|
|
static bool IsSideCaption(const mozilla::StyleCaptionSide aCaptionSide) {
|
|
return aCaptionSide == mozilla::StyleCaptionSide::Left ||
|
|
aCaptionSide == mozilla::StyleCaptionSide::Right;
|
|
}
|
|
|
|
mozilla::StyleVerticalAlignKeyword GetCaptionVerticalAlign() const;
|
|
|
|
nscoord ComputeFinalBSize(const MaybeCaptionSide&,
|
|
const mozilla::LogicalSize& aInnerSize,
|
|
const mozilla::LogicalSize& aCaptionSize,
|
|
const mozilla::LogicalMargin& aCaptionMargin,
|
|
const mozilla::WritingMode aWM) const;
|
|
|
|
nsresult GetCaptionOrigin(mozilla::StyleCaptionSide,
|
|
const mozilla::LogicalSize& aContainBlockSize,
|
|
const mozilla::LogicalSize& aInnerSize,
|
|
const mozilla::LogicalSize& aCaptionSize,
|
|
mozilla::LogicalMargin& aCaptionMargin,
|
|
mozilla::LogicalPoint& aOrigin,
|
|
mozilla::WritingMode aWM);
|
|
|
|
nsresult GetInnerOrigin(const MaybeCaptionSide&,
|
|
const mozilla::LogicalSize& aContainBlockSize,
|
|
const mozilla::LogicalSize& aCaptionSize,
|
|
const mozilla::LogicalMargin& aCaptionMargin,
|
|
const mozilla::LogicalSize& aInnerSize,
|
|
mozilla::LogicalPoint& aOrigin,
|
|
mozilla::WritingMode aWM);
|
|
|
|
// Returns the area occupied by the caption within our content box depending
|
|
// on the caption side.
|
|
//
|
|
// @param aCaptionMarginBoxSize the caption's margin-box size in our
|
|
// writing-mode.
|
|
mozilla::LogicalSize GetAreaOccupiedByCaption(
|
|
mozilla::StyleCaptionSide,
|
|
const mozilla::LogicalSize& aCaptionMarginBoxSize) const;
|
|
|
|
// Create and init the child reflow input, using passed-in aChildRI, so that
|
|
// caller can use it after we return.
|
|
//
|
|
// @param aAreaOccupiedByCaption the value computed by
|
|
// GetAreaOccupiedByCaption() if we have a caption.
|
|
void CreateReflowInputForInnerTable(
|
|
nsPresContext* aPresContext, nsTableFrame* aTableFrame,
|
|
const ReflowInput& aOuterRI, Maybe<ReflowInput>& aChildRI,
|
|
const nscoord aAvailISize,
|
|
const mozilla::Maybe<mozilla::LogicalSize>& aAreaOccupiedByCaption =
|
|
mozilla::Nothing()) const;
|
|
void CreateReflowInputForCaption(nsPresContext* aPresContext,
|
|
nsIFrame* aCaptionFrame,
|
|
const ReflowInput& aOuterRI,
|
|
Maybe<ReflowInput>& aChildRI,
|
|
const nscoord aAvailISize) const;
|
|
|
|
// Reflow the child (caption or inner table frame).
|
|
void ReflowChild(nsPresContext* aPresContext, nsIFrame* aChildFrame,
|
|
const ReflowInput& aChildRI, ReflowOutput& aMetrics,
|
|
nsReflowStatus& aStatus);
|
|
|
|
// Set the overflow areas in our reflow metrics
|
|
void UpdateOverflowAreas(ReflowOutput& aMet);
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const override {
|
|
return nsContainerFrame::IsFrameOfType(aFlags &
|
|
(~eCanContainOverflowContainers));
|
|
}
|
|
|
|
nsTableFrame* InnerTableFrame() const {
|
|
return static_cast<nsTableFrame*>(mFrames.FirstChild());
|
|
}
|
|
|
|
/**
|
|
* Helper for ComputeAutoSize.
|
|
* Compute the margin-box inline size of the frame given the inputs.
|
|
*
|
|
* Note: CaptionShrinkWrapISize doesn't need StyleSizeOverrides parameter.
|
|
*/
|
|
mozilla::LogicalSize InnerTableShrinkWrapSize(
|
|
gfxContext* aRenderingContext, nsTableFrame* aTableFrame,
|
|
mozilla::WritingMode aWM, const mozilla::LogicalSize& aCBSize,
|
|
nscoord aAvailableISize,
|
|
const mozilla::StyleSizeOverrides& aSizeOverrides,
|
|
mozilla::ComputeSizeFlags aFlag) const;
|
|
mozilla::LogicalSize CaptionShrinkWrapSize(
|
|
gfxContext* aRenderingContext, nsIFrame* aCaptionFrame,
|
|
mozilla::WritingMode aWM, const mozilla::LogicalSize& aCBSize,
|
|
nscoord aAvailableISize, mozilla::ComputeSizeFlags aFlag) const;
|
|
|
|
/**
|
|
* Create a new StyleSize by reducing the size by aAmountToReduce.
|
|
*
|
|
* @param aStyleSize must be a Length.
|
|
*/
|
|
mozilla::StyleSize ReduceStyleSizeBy(const mozilla::StyleSize& aStyleSize,
|
|
const nscoord aAmountToReduce) const;
|
|
|
|
/**
|
|
* Compute StyleSizeOverrides for inner table frame given the overrides of the
|
|
* table wrapper frame.
|
|
*/
|
|
mozilla::StyleSizeOverrides ComputeSizeOverridesForInnerTable(
|
|
const nsTableFrame* aTableFrame,
|
|
const mozilla::StyleSizeOverrides& aWrapperSizeOverrides,
|
|
const mozilla::LogicalSize& aBorderPadding,
|
|
const mozilla::LogicalSize& aAreaOccupiedByCaption) const;
|
|
|
|
private:
|
|
nsFrameList mCaptionFrames;
|
|
};
|
|
|
|
#endif
|