зеркало из https://github.com/mozilla/gecko-dev.git
301 строка
10 KiB
C++
301 строка
10 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 nsTableOuterFrame_h__
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#define nsTableOuterFrame_h__
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#include "mozilla/Attributes.h"
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#include "nscore.h"
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#include "nsContainerFrame.h"
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#include "nsCellMap.h"
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#include "nsBlockFrame.h"
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#include "nsTableFrame.h"
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class nsTableCaptionFrame : public nsBlockFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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friend nsTableCaptionFrame* NS_NewTableCaptionFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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// nsIFrame
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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virtual mozilla::LogicalSize
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ComputeAutoSize(nsRenderingContext *aRenderingContext,
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mozilla::WritingMode aWritingMode,
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const mozilla::LogicalSize& aCBSize,
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nscoord aAvailableISize,
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const mozilla::LogicalSize& aMargin,
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const mozilla::LogicalSize& aBorder,
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const mozilla::LogicalSize& aPadding,
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bool aShrinkWrap) MOZ_OVERRIDE;
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virtual nsIFrame* GetParentStyleContextFrame() const MOZ_OVERRIDE;
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
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#endif
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
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#endif
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protected:
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explicit nsTableCaptionFrame(nsStyleContext* aContext);
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virtual ~nsTableCaptionFrame();
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};
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/**
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* Primary frame for a table element,
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* the nsTableOuterFrame contains 0 or one caption frame, and a nsTableFrame
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* pseudo-frame (referred to as the "inner frame').
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*/
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class nsTableOuterFrame : public nsContainerFrame
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{
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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NS_DECL_QUERYFRAME_TARGET(nsTableOuterFrame)
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/** instantiate a new instance of nsTableRowFrame.
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* @param aPresShell the pres shell for this frame
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*
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* @return the frame that was created
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*/
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friend nsTableOuterFrame* NS_NewTableOuterFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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// nsIFrame overrides - see there for a description
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virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
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virtual const nsFrameList& GetChildList(ChildListID aListID) const MOZ_OVERRIDE;
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virtual void GetChildLists(nsTArray<ChildList>* aLists) const MOZ_OVERRIDE;
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virtual void SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList) MOZ_OVERRIDE;
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virtual void AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList) MOZ_OVERRIDE;
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virtual void InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList) MOZ_OVERRIDE;
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virtual void RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame) MOZ_OVERRIDE;
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virtual nsContainerFrame* GetContentInsertionFrame() MOZ_OVERRIDE {
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return GetFirstPrincipalChild()->GetContentInsertionFrame();
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}
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
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#endif
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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void BuildDisplayListForInnerTable(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const MOZ_OVERRIDE;
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virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
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virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
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virtual mozilla::LogicalSize
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ComputeAutoSize(nsRenderingContext *aRenderingContext,
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mozilla::WritingMode aWritingMode,
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const mozilla::LogicalSize& aCBSize,
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nscoord aAvailableISize,
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const mozilla::LogicalSize& aMargin,
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const mozilla::LogicalSize& aBorder,
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const mozilla::LogicalSize& aPadding,
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bool aShrinkWrap) MOZ_OVERRIDE;
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/** process a reflow command for the table.
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* This involves reflowing the caption and the inner table.
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* @see nsIFrame::Reflow */
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virtual void Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::tableOuterFrame
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*/
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
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#endif
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virtual nsIFrame* GetParentStyleContextFrame() const MOZ_OVERRIDE;
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/**
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* Return the content for the cell at the given row and column.
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*/
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nsIContent* GetCellAt(uint32_t aRowIdx, uint32_t aColIdx) const;
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/**
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* Return the number of rows in the table.
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*/
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int32_t GetRowCount() const
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{
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return InnerTableFrame()->GetRowCount();
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}
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/**
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* Return the number of columns in the table.
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*/
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int32_t GetColCount() const
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{
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return InnerTableFrame()->GetColCount();
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}
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/**
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* Return the index of the cell at the given row and column.
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*/
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int32_t GetIndexByRowAndColumn(int32_t aRowIdx, int32_t aColIdx) const
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{
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nsTableCellMap* cellMap = InnerTableFrame()->GetCellMap();
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if (!cellMap)
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return -1;
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return cellMap->GetIndexByRowAndColumn(aRowIdx, aColIdx);
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}
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/**
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* Get the row and column indices for the cell at the given index.
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*/
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void GetRowAndColumnByIndex(int32_t aCellIdx, int32_t* aRowIdx,
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int32_t* aColIdx) const
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{
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*aRowIdx = *aColIdx = 0;
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nsTableCellMap* cellMap = InnerTableFrame()->GetCellMap();
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if (cellMap) {
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cellMap->GetRowAndColumnByIndex(aCellIdx, aRowIdx, aColIdx);
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}
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}
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/**
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* return the frame for the cell at the given row and column.
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*/
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nsTableCellFrame* GetCellFrameAt(uint32_t aRowIdx, uint32_t aColIdx) const
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{
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nsTableCellMap* map = InnerTableFrame()->GetCellMap();
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if (!map) {
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return nullptr;
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}
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return map->GetCellInfoAt(aRowIdx, aColIdx);
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}
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/**
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* Return the col span of the cell at the given row and column indices.
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*/
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uint32_t GetEffectiveColSpanAt(uint32_t aRowIdx, uint32_t aColIdx) const
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{
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nsTableCellMap* map = InnerTableFrame()->GetCellMap();
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return map->GetEffectiveColSpan(aRowIdx, aColIdx);
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}
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/**
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* Return the effective row span of the cell at the given row and column.
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*/
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uint32_t GetEffectiveRowSpanAt(uint32_t aRowIdx, uint32_t aColIdx) const
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{
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nsTableCellMap* map = InnerTableFrame()->GetCellMap();
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return map->GetEffectiveRowSpan(aRowIdx, aColIdx);
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}
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protected:
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explicit nsTableOuterFrame(nsStyleContext* aContext);
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virtual ~nsTableOuterFrame();
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void InitChildReflowState(nsPresContext& aPresContext,
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nsHTMLReflowState& aReflowState);
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uint8_t GetCaptionSide(); // NS_STYLE_CAPTION_SIDE_* or NO_SIDE
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bool HasSideCaption() {
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uint8_t captionSide = GetCaptionSide();
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return captionSide == NS_STYLE_CAPTION_SIDE_LEFT ||
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captionSide == NS_STYLE_CAPTION_SIDE_RIGHT;
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}
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uint8_t GetCaptionVerticalAlign();
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void SetDesiredSize(uint8_t aCaptionSide,
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const nsMargin& aInnerMargin,
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const nsMargin& aCaptionMargin,
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nscoord& aWidth,
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nscoord& aHeight);
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nsresult GetCaptionOrigin(uint32_t aCaptionSide,
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const nsSize& aContainBlockSize,
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const nsSize& aInnerSize,
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const nsMargin& aInnerMargin,
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const nsSize& aCaptionSize,
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nsMargin& aCaptionMargin,
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nsPoint& aOrigin);
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nsresult GetInnerOrigin(uint32_t aCaptionSide,
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const nsSize& aContainBlockSize,
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const nsSize& aCaptionSize,
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const nsMargin& aCaptionMargin,
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const nsSize& aInnerSize,
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nsMargin& aInnerMargin,
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nsPoint& aOrigin);
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// reflow the child (caption or innertable frame)
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void OuterBeginReflowChild(nsPresContext* aPresContext,
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nsIFrame* aChildFrame,
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const nsHTMLReflowState& aOuterRS,
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void* aChildRSSpace,
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nscoord aAvailISize);
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void OuterDoReflowChild(nsPresContext* aPresContext,
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nsIFrame* aChildFrame,
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const nsHTMLReflowState& aChildRS,
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nsHTMLReflowMetrics& aMetrics,
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nsReflowStatus& aStatus);
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// Set the reflow metrics
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void UpdateReflowMetrics(uint8_t aCaptionSide,
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nsHTMLReflowMetrics& aMet,
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const nsMargin& aInnerMargin,
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const nsMargin& aCaptionMargin);
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// Get the margin. aMarginNoAuto is aMargin, but with auto
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// margins set to 0
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void GetChildMargin(nsPresContext* aPresContext,
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const nsHTMLReflowState& aOuterRS,
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nsIFrame* aChildFrame,
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nscoord aAvailableWidth,
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mozilla::LogicalMargin& aMargin);
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
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{
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return nsContainerFrame::IsFrameOfType(aFlags &
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(~eCanContainOverflowContainers));
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}
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nsTableFrame* InnerTableFrame() const {
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return static_cast<nsTableFrame*>(mFrames.FirstChild());
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}
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private:
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nsFrameList mCaptionFrames;
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};
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#endif
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