mirror of
https://github.com/ManchildProductions/UXP-Fixed.git
synced 2026-06-11 03:58:59 +00:00
wolfbeast
0de40040f0
Since we're now putting table borders and backgrounds properly in the display lists, we no longer need this custom component to do this work for us.
354 lines
12 KiB
C++
354 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsTableCellFrame_h__
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#define nsTableCellFrame_h__
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#include "mozilla/Attributes.h"
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#include "celldata.h"
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#include "imgIContainer.h"
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#include "nsITableCellLayout.h"
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#include "nscore.h"
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#include "nsContainerFrame.h"
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#include "nsStyleContext.h"
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#include "nsIPercentBSizeObserver.h"
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#include "nsGkAtoms.h"
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#include "nsLayoutUtils.h"
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#include "nsTArray.h"
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#include "nsTableRowFrame.h"
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#include "mozilla/WritingModes.h"
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/**
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* nsTableCellFrame
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* data structure to maintain information about a single table cell's frame
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*
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* NOTE: frames are not ref counted. We expose addref and release here
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* so we can change that decsion in the future. Users of nsITableCellLayout
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* should refcount correctly as if this object is being ref counted, though
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* no actual support is under the hood.
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*
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* @author sclark
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*/
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class nsTableCellFrame : public nsContainerFrame,
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public nsITableCellLayout,
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public nsIPercentBSizeObserver
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{
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typedef mozilla::gfx::DrawTarget DrawTarget;
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typedef mozilla::image::DrawResult DrawResult;
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protected:
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typedef mozilla::WritingMode WritingMode;
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typedef mozilla::LogicalSide LogicalSide;
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typedef mozilla::LogicalMargin LogicalMargin;
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public:
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NS_DECL_QUERYFRAME_TARGET(nsTableCellFrame)
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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// default constructor supplied by the compiler
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nsTableCellFrame(nsStyleContext* aContext, nsTableFrame* aTableFrame);
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~nsTableCellFrame();
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nsTableRowFrame* GetTableRowFrame() const
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{
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nsIFrame* parent = GetParent();
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MOZ_ASSERT(parent && parent->GetType() == nsGkAtoms::tableRowFrame);
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return static_cast<nsTableRowFrame*>(parent);
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}
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nsTableFrame* GetTableFrame() const
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{
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return GetTableRowFrame()->GetTableFrame();
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}
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virtual void Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() override;
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#endif
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virtual nsresult AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) override;
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/** @see nsIFrame::DidSetStyleContext */
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virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
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#ifdef DEBUG
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// Our anonymous block frame is the content insertion frame so these
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// methods should never be called:
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virtual void AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList) override;
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virtual void InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList) override;
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virtual void RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame) override;
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#endif
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virtual nsContainerFrame* GetContentInsertionFrame() override {
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return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
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}
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virtual nsMargin GetUsedMargin() const override;
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virtual void NotifyPercentBSize(const ReflowInput& aReflowInput) override;
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virtual bool NeedsToObserve(const ReflowInput& aReflowInput) override;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) override;
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virtual nsresult ProcessBorders(nsTableFrame* aFrame,
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nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists);
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virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
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virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
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IntrinsicISizeOffsetData IntrinsicISizeOffsets(nscoord aPercentageBasis =
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NS_UNCONSTRAINEDSIZE) override;
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virtual void Reflow(nsPresContext* aPresContext,
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ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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/**
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* Get the "type" of the frame
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*
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* @see nsLayoutAtoms::tableCellFrame
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*/
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virtual nsIAtom* GetType() const override;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override;
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#endif
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// Although the spec doesn't say that writing-mode is not applied to
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// table-cells, we still override this method here because we want to
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// make effective writing mode of table structure frames consistent
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// within a table. The content inside table cells is reflowed by an
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// anonymous block, hence their writing mode is not affected.
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virtual mozilla::WritingMode GetWritingMode() const override
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{ return GetTableFrame()->GetWritingMode(); }
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void BlockDirAlignChild(mozilla::WritingMode aWM, nscoord aMaxAscent);
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/*
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* Get the value of vertical-align adjusted for CSS 2's rules for a
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* table cell, which means the result is always
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* NS_STYLE_VERTICAL_ALIGN_{TOP,MIDDLE,BOTTOM,BASELINE}.
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*/
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virtual uint8_t GetVerticalAlign() const;
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bool HasVerticalAlignBaseline() const {
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return GetVerticalAlign() == NS_STYLE_VERTICAL_ALIGN_BASELINE;
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}
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bool CellHasVisibleContent(nscoord aBSize,
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nsTableFrame* tableFrame,
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nsIFrame* kidFrame);
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/**
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* Get the first-line baseline of the cell relative to its block-start border
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* edge, as if the cell were vertically aligned to the top of the row.
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*/
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nscoord GetCellBaseline() const;
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/**
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* return the cell's specified row span. this is what was specified in the
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* content model or in the style info, and is always >= 1.
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* to get the effective row span (the actual value that applies), use GetEffectiveRowSpan()
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* @see nsTableFrame::GetEffectiveRowSpan()
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*/
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virtual int32_t GetRowSpan();
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// there is no set row index because row index depends on the cell's parent row only
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/*---------------- nsITableCellLayout methods ------------------------*/
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/**
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* return the cell's starting row index (starting at 0 for the first row).
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* for continued cell frames the row index is that of the cell's first-in-flow
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* and the column index (starting at 0 for the first column
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*/
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NS_IMETHOD GetCellIndexes(int32_t &aRowIndex, int32_t &aColIndex) override;
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/** return the mapped cell's row index (starting at 0 for the first row) */
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virtual nsresult GetRowIndex(int32_t &aRowIndex) const override;
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/**
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* return the cell's specified col span. this is what was specified in the
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* content model or in the style info, and is always >= 1.
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* to get the effective col span (the actual value that applies), use GetEffectiveColSpan()
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* @see nsTableFrame::GetEffectiveColSpan()
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*/
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virtual int32_t GetColSpan();
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/** return the cell's column index (starting at 0 for the first column) */
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virtual nsresult GetColIndex(int32_t &aColIndex) const override;
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void SetColIndex(int32_t aColIndex);
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/** return the available isize given to this frame during its last reflow */
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inline nscoord GetPriorAvailISize();
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/** set the available isize given to this frame during its last reflow */
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inline void SetPriorAvailISize(nscoord aPriorAvailISize);
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/** return the desired size returned by this frame during its last reflow */
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inline mozilla::LogicalSize GetDesiredSize();
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/** set the desired size returned by this frame during its last reflow */
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inline void SetDesiredSize(const ReflowOutput & aDesiredSize);
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bool GetContentEmpty();
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void SetContentEmpty(bool aContentEmpty);
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bool HasPctOverBSize();
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void SetHasPctOverBSize(bool aValue);
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nsTableCellFrame* GetNextCell() const;
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virtual LogicalMargin GetBorderWidth(WritingMode aWM) const;
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virtual DrawResult PaintBackground(nsRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsPoint aPt,
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uint32_t aFlags);
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void DecorateForSelection(DrawTarget* aDrawTarget, nsPoint aPt);
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virtual bool ComputeCustomOverflow(nsOverflowAreas& aOverflowAreas) override;
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virtual bool IsFrameOfType(uint32_t aFlags) const override
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{
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return nsContainerFrame::IsFrameOfType(aFlags & ~(nsIFrame::eTablePart));
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}
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virtual void InvalidateFrame(uint32_t aDisplayItemKey = 0) override;
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virtual void InvalidateFrameWithRect(const nsRect& aRect, uint32_t aDisplayItemKey = 0) override;
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virtual void InvalidateFrameForRemoval() override { InvalidateFrameSubtree(); }
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protected:
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virtual LogicalSides
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GetLogicalSkipSides(const ReflowInput* aReflowInput = nullptr) const override;
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/**
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* GetBorderOverflow says how far the cell's own borders extend
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* outside its own bounds. In the separated borders model this should
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* just be zero (as it is for most frames), but in the collapsed
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* borders model (for which nsBCTableCellFrame overrides this virtual
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* method), it considers the extents of the collapsed border.
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*/
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virtual nsMargin GetBorderOverflow();
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friend class nsTableRowFrame;
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uint32_t mColIndex; // the starting column for this cell
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nscoord mPriorAvailISize; // the avail isize during the last reflow
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mozilla::LogicalSize mDesiredSize; // the last desired inline and block size
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};
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inline nscoord nsTableCellFrame::GetPriorAvailISize()
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{ return mPriorAvailISize; }
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inline void nsTableCellFrame::SetPriorAvailISize(nscoord aPriorAvailISize)
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{ mPriorAvailISize = aPriorAvailISize; }
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inline mozilla::LogicalSize nsTableCellFrame::GetDesiredSize()
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{ return mDesiredSize; }
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inline void nsTableCellFrame::SetDesiredSize(const ReflowOutput & aDesiredSize)
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{
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mozilla::WritingMode wm = aDesiredSize.GetWritingMode();
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mDesiredSize = aDesiredSize.Size(wm).ConvertTo(GetWritingMode(), wm);
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}
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inline bool nsTableCellFrame::GetContentEmpty()
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{
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return HasAnyStateBits(NS_TABLE_CELL_CONTENT_EMPTY);
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}
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inline void nsTableCellFrame::SetContentEmpty(bool aContentEmpty)
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{
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if (aContentEmpty) {
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AddStateBits(NS_TABLE_CELL_CONTENT_EMPTY);
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} else {
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RemoveStateBits(NS_TABLE_CELL_CONTENT_EMPTY);
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}
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}
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inline bool nsTableCellFrame::HasPctOverBSize()
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{
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return HasAnyStateBits(NS_TABLE_CELL_HAS_PCT_OVER_BSIZE);
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}
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inline void nsTableCellFrame::SetHasPctOverBSize(bool aValue)
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{
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if (aValue) {
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AddStateBits(NS_TABLE_CELL_HAS_PCT_OVER_BSIZE);
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} else {
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RemoveStateBits(NS_TABLE_CELL_HAS_PCT_OVER_BSIZE);
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}
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}
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// nsBCTableCellFrame
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class nsBCTableCellFrame final : public nsTableCellFrame
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{
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typedef mozilla::image::DrawResult DrawResult;
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public:
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NS_DECL_FRAMEARENA_HELPERS
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nsBCTableCellFrame(nsStyleContext* aContext, nsTableFrame* aTableFrame);
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~nsBCTableCellFrame();
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virtual nsIAtom* GetType() const override;
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virtual nsMargin GetUsedBorder() const override;
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virtual bool GetBorderRadii(const nsSize& aFrameSize,
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const nsSize& aBorderArea,
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Sides aSkipSides,
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nscoord aRadii[8]) const override;
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// Get the *inner half of the border only*, in twips.
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virtual LogicalMargin GetBorderWidth(WritingMode aWM) const override;
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// Get the *inner half of the border only*, in pixels.
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BCPixelSize GetBorderWidth(LogicalSide aSide) const;
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// Set the full (both halves) width of the border
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void SetBorderWidth(LogicalSide aSide, BCPixelSize aPixelValue);
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virtual nsMargin GetBorderOverflow() override;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override;
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#endif
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virtual DrawResult PaintBackground(nsRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsPoint aPt,
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uint32_t aFlags) override;
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private:
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// These are the entire width of the border (the cell edge contains only
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// the inner half, per the macros in nsTablePainter.h).
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BCPixelSize mBStartBorder;
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BCPixelSize mIEndBorder;
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BCPixelSize mBEndBorder;
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BCPixelSize mIStartBorder;
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};
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#endif
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