From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- layout/tables/nsTableWrapperFrame.h | 305 ++++++++++++++++++++++++++++++++++++ 1 file changed, 305 insertions(+) create mode 100644 layout/tables/nsTableWrapperFrame.h (limited to 'layout/tables/nsTableWrapperFrame.h') diff --git a/layout/tables/nsTableWrapperFrame.h b/layout/tables/nsTableWrapperFrame.h new file mode 100644 index 0000000000..45d7c33e41 --- /dev/null +++ b/layout/tables/nsTableWrapperFrame.h @@ -0,0 +1,305 @@ +/* -*- 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" + +/** + * 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 + + NS_DECL_QUERYFRAME_TARGET(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(nsIPresShell* aPresShell, + nsStyleContext* aContext); + + // nsIFrame overrides - see there for a description + + virtual void DestroyFrom(nsIFrame* aDestructRoot) override; + + virtual const nsFrameList& GetChildList(ChildListID aListID) const override; + virtual void GetChildLists(nsTArray* 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, + 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 nsRect& aDirtyRect, + const nsDisplayListSet& aLists) override; + + void BuildDisplayListForInnerTable(nsDisplayListBuilder* aBuilder, + const nsRect& aDirtyRect, + const nsDisplayListSet& aLists); + + virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override; + + bool GetNaturalBaselineBOffset(mozilla::WritingMode aWM, + BaselineSharingGroup aBaselineGroup, + nscoord* aBaseline) const override + { + auto innerTable = InnerTableFrame(); + nscoord offset; + if (innerTable->GetNaturalBaselineBOffset(aWM, aBaselineGroup, &offset)) { + auto bStart = innerTable->BStart(aWM, mRect.Size()); + if (aBaselineGroup == BaselineSharingGroup::eFirst) { + *aBaseline = offset + bStart; + } else { + auto bEnd = bStart + innerTable->BSize(aWM); + *aBaseline = BSize(aWM) - (bEnd - offset); + } + return true; + } + return false; + } + + virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override; + virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override; + + virtual mozilla::LogicalSize + ComputeAutoSize(nsRenderingContext* aRenderingContext, + mozilla::WritingMode aWM, + const mozilla::LogicalSize& aCBSize, + nscoord aAvailableISize, + const mozilla::LogicalSize& aMargin, + const mozilla::LogicalSize& aBorder, + const mozilla::LogicalSize& aPadding, + 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; + + /** + * Get the "type" of the frame + * + * @see nsGkAtoms::tableWrapperFrame + */ + virtual nsIAtom* GetType() const override; + +#ifdef DEBUG_FRAME_DUMP + virtual nsresult GetFrameName(nsAString& aResult) const override; +#endif + + virtual nsStyleContext* GetParentStyleContext(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); + } + + /** + * The CB size to use for the inner table frame if we're a grid item. + */ + NS_DECLARE_FRAME_PROPERTY_DELETABLE(GridItemCBSizeProperty, mozilla::LogicalSize); + +protected: + + explicit nsTableWrapperFrame(nsStyleContext* aContext); + virtual ~nsTableWrapperFrame(); + + void InitChildReflowInput(nsPresContext& aPresContext, + ReflowInput& aReflowInput); + + // Get a NS_STYLE_CAPTION_SIDE_* value, or NO_SIDE if no caption is present. + // (Remember that caption-side values are interpreted logically, despite + // having "physical" names.) + uint8_t GetCaptionSide(); + + bool HasSideCaption() { + uint8_t captionSide = GetCaptionSide(); + return captionSide == NS_STYLE_CAPTION_SIDE_LEFT || + captionSide == NS_STYLE_CAPTION_SIDE_RIGHT; + } + + uint8_t GetCaptionVerticalAlign(); + + void SetDesiredSize(uint8_t aCaptionSide, + const mozilla::LogicalSize& aInnerSize, + const mozilla::LogicalSize& aCaptionSize, + const mozilla::LogicalMargin& aInnerMargin, + const mozilla::LogicalMargin& aCaptionMargin, + nscoord& aISize, + nscoord& aBSize, + mozilla::WritingMode aWM); + + nsresult GetCaptionOrigin(uint32_t aCaptionSide, + const mozilla::LogicalSize& aContainBlockSize, + const mozilla::LogicalSize& aInnerSize, + const mozilla::LogicalMargin& aInnerMargin, + const mozilla::LogicalSize& aCaptionSize, + mozilla::LogicalMargin& aCaptionMargin, + mozilla::LogicalPoint& aOrigin, + mozilla::WritingMode aWM); + + nsresult GetInnerOrigin(uint32_t aCaptionSide, + const mozilla::LogicalSize& aContainBlockSize, + const mozilla::LogicalSize& aCaptionSize, + const mozilla::LogicalMargin& aCaptionMargin, + const mozilla::LogicalSize& aInnerSize, + mozilla::LogicalMargin& aInnerMargin, + mozilla::LogicalPoint& aOrigin, + mozilla::WritingMode aWM); + + // reflow the child (caption or innertable frame) + void OuterBeginReflowChild(nsPresContext* aPresContext, + nsIFrame* aChildFrame, + const ReflowInput& aOuterRI, + mozilla::Maybe& aChildRI, + nscoord aAvailISize); + + void OuterDoReflowChild(nsPresContext* aPresContext, + nsIFrame* aChildFrame, + const ReflowInput& aChildRI, + ReflowOutput& aMetrics, + nsReflowStatus& aStatus); + + // Set the overflow areas in our reflow metrics + void UpdateOverflowAreas(ReflowOutput& aMet); + + // Get the margin. + void GetChildMargin(nsPresContext* aPresContext, + const ReflowInput& aOuterRI, + nsIFrame* aChildFrame, + nscoord aAvailableWidth, + mozilla::LogicalMargin& aMargin); + + virtual bool IsFrameOfType(uint32_t aFlags) const override + { + return nsContainerFrame::IsFrameOfType(aFlags & + (~eCanContainOverflowContainers)); + } + + nsTableFrame* InnerTableFrame() const + { + return static_cast(mFrames.FirstChild()); + } + + /** + * Helper for ComputeAutoSize. + * Compute the margin-box inline size of aChildFrame given the inputs. + * If aMarginResult is non-null, fill it with the part of the + * margin-isize that was contributed by the margin. + */ + nscoord ChildShrinkWrapISize(nsRenderingContext* aRenderingContext, + nsIFrame* aChildFrame, + mozilla::WritingMode aWM, + mozilla::LogicalSize aCBSize, + nscoord aAvailableISize, + nscoord* aMarginResult = nullptr) const; + +private: + nsFrameList mCaptionFrames; +}; + +#endif -- cgit v1.2.3