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950 lines
34 KiB
C++
950 lines
34 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsTableFrame_h__
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#define nsTableFrame_h__
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#include "nscore.h"
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#include "nsTPtrArray.h"
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#include "nsHTMLContainerFrame.h"
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#include "nsStyleCoord.h"
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#include "nsStyleConsts.h"
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#include "nsITableLayout.h"
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#include "nsTableColFrame.h"
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#include "nsTableColGroupFrame.h"
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#include "nsCellMap.h"
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#include "nsGkAtoms.h"
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#include "nsDisplayList.h"
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class nsTableCellFrame;
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class nsTableColFrame;
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class nsTableRowGroupFrame;
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class nsTableRowFrame;
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class nsTableColGroupFrame;
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class nsITableLayoutStrategy;
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class nsStyleContext;
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struct nsTableReflowState;
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struct nsStylePosition;
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/**
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* Child list name indices
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* @see #GetAdditionalChildListName()
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*/
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#define NS_TABLE_FRAME_COLGROUP_LIST_INDEX 0
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#define NS_TABLE_FRAME_OVERFLOW_LIST_INDEX 1
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#define NS_TABLE_FRAME_LAST_LIST_INDEX NS_TABLE_FRAME_OVERFLOW_LIST_INDEX
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static inline PRBool IS_TABLE_CELL(nsIAtom* frameType) {
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return nsGkAtoms::tableCellFrame == frameType ||
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nsGkAtoms::bcTableCellFrame == frameType;
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}
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class nsDisplayTableItem : public nsDisplayItem
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{
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public:
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nsDisplayTableItem(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame) :
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nsDisplayItem(aBuilder, aFrame),
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mPartHasFixedBackground(PR_FALSE) {}
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virtual PRBool IsVaryingRelativeToMovingFrame(nsDisplayListBuilder* aBuilder,
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nsIFrame* aFrame);
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// With collapsed borders, parts of the collapsed border can extend outside
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// the table part frames, so allow this display element to blow out to our
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// overflow rect. This is also useful for row frames that have spanning
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// cells extending outside them.
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virtual nsRect GetBounds(nsDisplayListBuilder* aBuilder);
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void UpdateForFrameBackground(nsIFrame* aFrame);
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private:
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PRPackedBool mPartHasFixedBackground;
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};
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class nsAutoPushCurrentTableItem
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{
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public:
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nsAutoPushCurrentTableItem() : mBuilder(nsnull) {}
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void Push(nsDisplayListBuilder* aBuilder, nsDisplayTableItem* aPushItem)
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{
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mBuilder = aBuilder;
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mOldCurrentItem = aBuilder->GetCurrentTableItem();
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aBuilder->SetCurrentTableItem(aPushItem);
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#ifdef DEBUG
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mPushedItem = aPushItem;
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#endif
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}
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~nsAutoPushCurrentTableItem() {
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if (!mBuilder)
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return;
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#ifdef DEBUG
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NS_ASSERTION(mBuilder->GetCurrentTableItem() == mPushedItem,
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"Someone messed with the current table item behind our back!");
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#endif
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mBuilder->SetCurrentTableItem(mOldCurrentItem);
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}
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private:
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nsDisplayListBuilder* mBuilder;
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nsDisplayTableItem* mOldCurrentItem;
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#ifdef DEBUG
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nsDisplayTableItem* mPushedItem;
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#endif
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};
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/* ============================================================================ */
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/** nsTableFrame maps the inner portion of a table (everything except captions.)
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* Used as a pseudo-frame within nsTableOuterFrame, it may also be used
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* stand-alone as the top-level frame.
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*
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* The flowed child list contains row group frames. There is also an additional
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* named child list:
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* - "ColGroup-list" which contains the col group frames
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*
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* @see nsGkAtoms::colGroupList
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*/
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class nsTableFrame : public nsHTMLContainerFrame, public nsITableLayout
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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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/** nsTableOuterFrame has intimate knowledge of the inner table frame */
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friend class 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 nsIFrame* NS_NewTableFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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/** sets defaults for table-specific style.
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* @see nsIFrame::Init
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*/
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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static float GetTwipsToPixels(nsPresContext* aPresContext);
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// Return true if aParentReflowState.frame or any of its ancestors within
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// the containing table have non-auto height. (e.g. pct or fixed height)
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static PRBool AncestorsHaveStyleHeight(const nsHTMLReflowState& aParentReflowState);
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// See if a special height reflow will occur due to having a pct height when
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// the pct height basis may not yet be valid.
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static void CheckRequestSpecialHeightReflow(const nsHTMLReflowState& aReflowState);
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// Notify the frame and its ancestors (up to the containing table) that a special
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// height reflow will occur.
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static void RequestSpecialHeightReflow(const nsHTMLReflowState& aReflowState);
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virtual PRBool IsContainingBlock() const;
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static void RePositionViews(nsIFrame* aFrame);
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static PRBool PageBreakAfter(nsIFrame* aSourceFrame,
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nsIFrame* aNextFrame);
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nsPoint GetFirstSectionOrigin(const nsHTMLReflowState& aReflowState) const;
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/*
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* Notification that aAttribute has changed for content inside a table (cell, row, etc)
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*/
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void AttributeChangedFor(nsIFrame* aFrame,
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nsIContent* aContent,
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nsIAtom* aAttribute);
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/** @see nsIFrame::DestroyFrom */
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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/** @see nsIFrame::DidSetStyleContext */
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virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext);
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NS_IMETHOD AppendFrames(nsIAtom* aListName,
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nsFrameList& aFrameList);
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NS_IMETHOD InsertFrames(nsIAtom* aListName,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList);
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NS_IMETHOD RemoveFrame(nsIAtom* aListName,
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nsIFrame* aOldFrame);
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virtual nsMargin GetUsedBorder() const;
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virtual nsMargin GetUsedPadding() const;
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// Get the offset from the border box to the area where the row groups fit
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nsMargin GetChildAreaOffset(const nsHTMLReflowState* aReflowState) const;
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/** helper method to find the table parent of any table frame object */
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static nsTableFrame* GetTableFrame(nsIFrame* aSourceFrame);
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typedef nsresult (* DisplayGenericTablePartTraversal)
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(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
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const nsRect& aDirtyRect, const nsDisplayListSet& aLists);
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static nsresult GenericTraversal(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
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const nsRect& aDirtyRect, const nsDisplayListSet& aLists);
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/**
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* Helper method to handle display common to table frames, rowgroup frames
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* and row frames. It creates a background display item for handling events
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* if necessary, an outline display item if necessary, and displays
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* all the the frame's children.
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* @param aDisplayItem the display item created for this part, or null
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* if this part's border/background painting is delegated to an ancestor
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* @param aTraversal a function that gets called to traverse the table
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* part's child frames and add their display list items to a
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* display list set.
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*/
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static nsresult DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
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nsFrame* aFrame,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists,
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nsDisplayTableItem* aDisplayItem,
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DisplayGenericTablePartTraversal aTraversal = GenericTraversal);
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// Return the closest sibling of aPriorChildFrame (including aPriroChildFrame)
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// of type aChildType.
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static nsIFrame* GetFrameAtOrBefore(nsIFrame* aParentFrame,
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nsIFrame* aPriorChildFrame,
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nsIAtom* aChildType);
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PRBool IsAutoHeight();
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/** @return PR_TRUE if aDisplayType represents a rowgroup of any sort
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* (header, footer, or body)
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*/
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PRBool IsRowGroup(PRInt32 aDisplayType) const;
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/** Initialize the table frame with a set of children.
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* @see nsIFrame::SetInitialChildList
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*/
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NS_IMETHOD SetInitialChildList(nsIAtom* aListName,
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nsFrameList& aChildList);
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virtual nsFrameList GetChildList(nsIAtom* aListName) const;
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/** @see nsIFrame::GetAdditionalChildListName */
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virtual nsIAtom* GetAdditionalChildListName(PRInt32 aIndex) const;
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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/**
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* Paint the background of the table and its parts (column groups,
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* columns, row groups, rows, and cells), and the table border, and all
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* internal borders if border-collapse is on.
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*/
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void PaintTableBorderBackground(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsPoint aPt, PRUint32 aBGPaintFlags);
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/** Get the outer half (i.e., the part outside the height and width of
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* the table) of the largest segment (?) of border-collapsed border on
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* the table on each side, or 0 for non border-collapsed tables.
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*/
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nsMargin GetOuterBCBorder() const;
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/** Same as above, but only if it's included from the border-box width
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* of the table.
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*/
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nsMargin GetIncludedOuterBCBorder() const;
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/** Same as above, but only if it's excluded from the border-box width
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* of the table. This is the area that leaks out into the margin
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* (or potentially past it, if there is no margin).
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*/
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nsMargin GetExcludedOuterBCBorder() const;
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/**
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* In quirks mode, the size of the table background is reduced
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* by the outer BC border. Compute the reduction needed.
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*/
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nsMargin GetDeflationForBackground(nsPresContext* aPresContext) const;
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/** Get width of table + colgroup + col collapse: elements that
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* continue along the length of the whole left side.
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* see nsTablePainter about continuous borders
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*/
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nscoord GetContinuousLeftBCBorderWidth() const;
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void SetContinuousLeftBCBorderWidth(nscoord aValue);
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friend class nsDelayedCalcBCBorders;
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void SetBCDamageArea(const nsRect& aValue);
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PRBool BCRecalcNeeded(nsStyleContext* aOldStyleContext,
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nsStyleContext* aNewStyleContext);
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void PaintBCBorders(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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virtual void MarkIntrinsicWidthsDirty();
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// For border-collapse tables, the caller must not add padding and
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// border to the results of these functions.
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virtual nscoord GetMinWidth(nsIRenderingContext *aRenderingContext);
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virtual nscoord GetPrefWidth(nsIRenderingContext *aRenderingContext);
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virtual IntrinsicWidthOffsetData
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IntrinsicWidthOffsets(nsIRenderingContext* aRenderingContext);
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virtual nsSize ComputeSize(nsIRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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PRBool aShrinkWrap);
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virtual nsSize ComputeAutoSize(nsIRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder,
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nsSize aPadding, PRBool aShrinkWrap);
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/**
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* A copy of nsFrame::ShrinkWidthToFit that calls a different
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* GetPrefWidth, since tables have two different ones.
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*/
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nscoord TableShrinkWidthToFit(nsIRenderingContext *aRenderingContext,
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nscoord aWidthInCB);
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// XXXldb REWRITE THIS COMMENT!
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/** inner tables are reflowed in two steps.
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* <pre>
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* if mFirstPassValid is false, this is our first time through since content was last changed
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* set pass to 1
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* do pass 1
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* get min/max info for all cells in an infinite space
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* do column balancing
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* set mFirstPassValid to true
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* do pass 2
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* use column widths to Reflow cells
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* </pre>
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*
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* @see nsIFrame::Reflow
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*/
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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nsresult ReflowTable(nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nscoord aAvailHeight,
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nsIFrame*& aLastChildReflowed,
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nsReflowStatus& aStatus);
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nsFrameList& GetColGroups();
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NS_IMETHOD GetParentStyleContextFrame(nsPresContext* aPresContext,
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nsIFrame** aProviderFrame,
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PRBool* aIsChild);
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::tableFrame
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*/
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virtual nsIAtom* GetType() const;
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#ifdef DEBUG
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/** @see nsIFrame::GetFrameName */
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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/** return the width of the column at aColIndex */
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virtual PRInt32 GetColumnWidth(PRInt32 aColIndex);
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/** helper to get the cell spacing X style value */
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virtual nscoord GetCellSpacingX();
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/** helper to get the cell spacing Y style value */
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virtual nscoord GetCellSpacingY();
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virtual nscoord GetBaseline() const;
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/** return the row span of a cell, taking into account row span magic at the bottom
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* of a table. The row span equals the number of rows spanned by aCell starting at
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* aStartRowIndex, and can be smaller if aStartRowIndex is greater than the row
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* index in which aCell originates.
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*
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* @param aStartRowIndex the cell
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* @param aCell the cell
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*
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* @return the row span, correcting for row spans that extend beyond the bottom
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* of the table.
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*/
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virtual PRInt32 GetEffectiveRowSpan(PRInt32 aStartRowIndex,
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const nsTableCellFrame& aCell) const;
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virtual PRInt32 GetEffectiveRowSpan(const nsTableCellFrame& aCell,
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nsCellMap* aCellMap = nsnull);
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/** return the col span of a cell, taking into account col span magic at the edge
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* of a table.
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*
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* @param aCell the cell
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*
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* @return the col span, correcting for col spans that extend beyond the edge
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* of the table.
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*/
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virtual PRInt32 GetEffectiveColSpan(const nsTableCellFrame& aCell,
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nsCellMap* aCellMap = nsnull) const;
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/** indicate whether the row has more than one cell that either originates
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* or is spanned from the rows above
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*/
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PRBool HasMoreThanOneCell(PRInt32 aRowIndex) const;
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/** return the column frame associated with aColIndex
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* returns nsnull if the col frame has not yet been allocated, or if
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* aColIndex is out of range
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*/
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nsTableColFrame* GetColFrame(PRInt32 aColIndex) const;
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/** Insert a col frame reference into the colframe cache and adapt the cellmap
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* @param aColFrame - the column frame
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* @param aColIndex - index where the column should be inserted into the
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* colframe cache
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*/
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void InsertCol(nsTableColFrame& aColFrame,
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PRInt32 aColIndex);
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nsTableColGroupFrame* CreateAnonymousColGroupFrame(nsTableColGroupType aType);
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PRInt32 DestroyAnonymousColFrames(PRInt32 aNumFrames);
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// Append aNumColsToAdd anonymous col frames of type eColAnonymousCell to our
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// last eColGroupAnonymousCell colgroup. If we have no such colgroup, then
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// create one.
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void AppendAnonymousColFrames(PRInt32 aNumColsToAdd);
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// Append aNumColsToAdd anonymous col frames of type aColType to
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// aColGroupFrame. If aAddToTable is true, also call AddColsToTable on the
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// new cols.
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void AppendAnonymousColFrames(nsTableColGroupFrame* aColGroupFrame,
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PRInt32 aNumColsToAdd,
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nsTableColType aColType,
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PRBool aAddToTable);
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void MatchCellMapToColCache(nsTableCellMap* aCellMap);
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/** empty the column frame cache */
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void ClearColCache();
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void DidResizeColumns();
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virtual void AppendCell(nsTableCellFrame& aCellFrame,
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PRInt32 aRowIndex);
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virtual void InsertCells(nsTArray<nsTableCellFrame*>& aCellFrames,
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PRInt32 aRowIndex,
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PRInt32 aColIndexBefore);
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virtual void RemoveCell(nsTableCellFrame* aCellFrame,
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PRInt32 aRowIndex);
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void AppendRows(nsTableRowGroupFrame* aRowGroupFrame,
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PRInt32 aRowIndex,
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nsTArray<nsTableRowFrame*>& aRowFrames);
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PRInt32 InsertRows(nsTableRowGroupFrame* aRowGroupFrame,
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nsTArray<nsTableRowFrame*>& aFrames,
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PRInt32 aRowIndex,
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PRBool aConsiderSpans);
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virtual void RemoveRows(nsTableRowFrame& aFirstRowFrame,
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PRInt32 aNumRowsToRemove,
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PRBool aConsiderSpans);
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/** Insert multiple rowgroups into the table cellmap handling
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* @param aRowGroups - iterator that iterates over the rowgroups to insert
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*/
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void InsertRowGroups(const nsFrameList::Slice& aRowGroups);
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void InsertColGroups(PRInt32 aStartColIndex,
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const nsFrameList::Slice& aColgroups);
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|
|
virtual void RemoveCol(nsTableColGroupFrame* aColGroupFrame,
|
|
PRInt32 aColIndex,
|
|
PRBool aRemoveFromCache,
|
|
PRBool aRemoveFromCellMap);
|
|
|
|
NS_IMETHOD GetIndexByRowAndColumn(PRInt32 aRow, PRInt32 aColumn, PRInt32 *aIndex);
|
|
NS_IMETHOD GetRowAndColumnByIndex(PRInt32 aIndex, PRInt32 *aRow, PRInt32 *aColumn);
|
|
|
|
PRBool ColumnHasCellSpacingBefore(PRInt32 aColIndex) const;
|
|
|
|
PRBool HasPctCol() const;
|
|
void SetHasPctCol(PRBool aValue);
|
|
|
|
PRBool HasCellSpanningPctCol() const;
|
|
void SetHasCellSpanningPctCol(PRBool aValue);
|
|
|
|
/**
|
|
* To be called on a frame by its parent after setting its size/position and
|
|
* calling DidReflow (possibly via FinishReflowChild()). This can also be
|
|
* used for child frames which are not being reflowed but did have their size
|
|
* or position changed.
|
|
*
|
|
* @param aFrame The frame to invalidate
|
|
* @param aOrigRect The original rect of aFrame (before the change).
|
|
* @param aOrigOverflowRect The original overflow rect of aFrame.
|
|
* @param aIsFirstReflow True if the size/position change is due to the
|
|
* first reflow of aFrame.
|
|
*/
|
|
static void InvalidateFrame(nsIFrame* aFrame,
|
|
const nsRect& aOrigRect,
|
|
const nsRect& aOrigOverflowRect,
|
|
PRBool aIsFirstReflow);
|
|
|
|
protected:
|
|
|
|
/** protected constructor.
|
|
* @see NewFrame
|
|
*/
|
|
nsTableFrame(nsStyleContext* aContext);
|
|
|
|
/** destructor, responsible for mColumnLayoutData */
|
|
virtual ~nsTableFrame();
|
|
|
|
void InitChildReflowState(nsHTMLReflowState& aReflowState);
|
|
|
|
/** implement abstract method on nsHTMLContainerFrame */
|
|
virtual PRIntn GetSkipSides() const;
|
|
|
|
public:
|
|
PRBool IsRowInserted() const;
|
|
void SetRowInserted(PRBool aValue);
|
|
|
|
protected:
|
|
|
|
// A helper function to reflow a header or footer with unconstrained height
|
|
// to see if it should be made repeatable and also to determine its desired
|
|
// height.
|
|
nsresult SetupHeaderFooterChild(const nsTableReflowState& aReflowState,
|
|
nsTableRowGroupFrame* aFrame,
|
|
nscoord* aDesiredHeight);
|
|
|
|
NS_METHOD ReflowChildren(nsTableReflowState& aReflowState,
|
|
nsReflowStatus& aStatus,
|
|
nsIFrame*& aLastChildReflowed,
|
|
nsRect& aOverflowArea);
|
|
|
|
// This calls the col group and column reflow methods, which do two things:
|
|
// (1) set all the dimensions to 0
|
|
// (2) notify the table about colgroups or columns with hidden visibility
|
|
void ReflowColGroups(nsIRenderingContext* aRenderingContext);
|
|
|
|
/** return the width of the table taking into account visibility collapse
|
|
* on columns and colgroups
|
|
* @param aBorderPadding the border and padding of the table
|
|
*/
|
|
nscoord GetCollapsedWidth(nsMargin aBorderPadding);
|
|
|
|
|
|
/** Adjust the table for visibilty.collapse set on rowgroups, rows, colgroups
|
|
* and cols
|
|
* @param aDesiredSize the metrics of the table
|
|
* @param aBorderPadding the border and padding of the table
|
|
*/
|
|
void AdjustForCollapsingRowsCols(nsHTMLReflowMetrics& aDesiredSize,
|
|
nsMargin aBorderPadding);
|
|
|
|
nsITableLayoutStrategy* LayoutStrategy() const {
|
|
return static_cast<nsTableFrame*>(GetFirstInFlow())->
|
|
mTableLayoutStrategy;
|
|
}
|
|
|
|
private:
|
|
/* Handle a row that got inserted during reflow. aNewHeight is the
|
|
new height of the table after reflow. */
|
|
void ProcessRowInserted(nscoord aNewHeight);
|
|
|
|
// WIDTH AND HEIGHT CALCULATION
|
|
|
|
public:
|
|
|
|
// calculate the computed height of aFrame including its border and padding given
|
|
// its reflow state.
|
|
nscoord CalcBorderBoxHeight(const nsHTMLReflowState& aReflowState);
|
|
|
|
protected:
|
|
|
|
// update the desired height of this table taking into account the current
|
|
// reflow state, the table attributes and the content driven rowgroup heights
|
|
// this function can change the overflow area
|
|
void CalcDesiredHeight(const nsHTMLReflowState& aReflowState, nsHTMLReflowMetrics& aDesiredSize);
|
|
|
|
// The following is a helper for CalcDesiredHeight
|
|
|
|
void DistributeHeightToRows(const nsHTMLReflowState& aReflowState,
|
|
nscoord aAmount);
|
|
|
|
void PlaceChild(nsTableReflowState& aReflowState,
|
|
nsIFrame* aKidFrame,
|
|
nsHTMLReflowMetrics& aKidDesiredSize,
|
|
const nsRect& aOriginalKidRect,
|
|
const nsRect& aOriginalKidOverflowRect);
|
|
void PlaceRepeatedFooter(nsTableReflowState& aReflowState,
|
|
nsTableRowGroupFrame *aTfoot,
|
|
nscoord aFooterHeight);
|
|
|
|
nsIFrame* GetFirstBodyRowGroupFrame();
|
|
public:
|
|
typedef nsAutoTPtrArray<nsTableRowGroupFrame, 8> RowGroupArray;
|
|
/**
|
|
* Push all our child frames from the aRowGroups array, in order, starting
|
|
* from the frame at aPushFrom to the end of the array. The frames are put on
|
|
* our overflow list or moved directly to our next-in-flow if one exists.
|
|
*/
|
|
protected:
|
|
void PushChildren(const RowGroupArray& aRowGroups, PRInt32 aPushFrom);
|
|
|
|
public:
|
|
// put the children frames in the display order (e.g. thead before tbodies
|
|
// before tfoot). This will handle calling GetRowGroupFrame() on the
|
|
// children, and not append nulls, so the array is guaranteed to contain
|
|
// nsTableRowGroupFrames. If there are multiple theads or tfoots, all but
|
|
// the first one are treated as tbodies instead.
|
|
|
|
void OrderRowGroups(RowGroupArray& aChildren,
|
|
nsTableRowGroupFrame** aHead = nsnull,
|
|
nsTableRowGroupFrame** aFoot = nsnull) const;
|
|
|
|
// Return the thead, if any
|
|
nsTableRowGroupFrame* GetTHead() const;
|
|
|
|
// Return the tfoot, if any
|
|
nsTableRowGroupFrame* GetTFoot() const;
|
|
|
|
// Returns PR_TRUE if there are any cells above the row at
|
|
// aRowIndex and spanning into the row at aRowIndex, the number of
|
|
// effective columns limits the search up to that column
|
|
PRBool RowIsSpannedInto(PRInt32 aRowIndex, PRInt32 aNumEffCols);
|
|
|
|
// Returns PR_TRUE if there is a cell originating in aRowIndex
|
|
// which spans into the next row, the number of effective
|
|
// columns limits the search up to that column
|
|
PRBool RowHasSpanningCells(PRInt32 aRowIndex, PRInt32 aNumEffCols);
|
|
|
|
protected:
|
|
|
|
PRBool HaveReflowedColGroups() const;
|
|
void SetHaveReflowedColGroups(PRBool aValue);
|
|
|
|
public:
|
|
PRBool IsBorderCollapse() const;
|
|
|
|
PRBool NeedToCalcBCBorders() const;
|
|
void SetNeedToCalcBCBorders(PRBool aValue);
|
|
|
|
PRBool NeedToCollapse() const;
|
|
void SetNeedToCollapse(PRBool aValue);
|
|
|
|
PRBool HasZeroColSpans() const;
|
|
void SetHasZeroColSpans(PRBool aValue);
|
|
|
|
PRBool NeedColSpanExpansion() const;
|
|
void SetNeedColSpanExpansion(PRBool aValue);
|
|
|
|
/** The GeometryDirty bit is similar to the NS_FRAME_IS_DIRTY frame
|
|
* state bit, which implies that all descendants are dirty. The
|
|
* GeometryDirty still implies that all the parts of the table are
|
|
* dirty, but resizing optimizations should still apply to the
|
|
* contents of the individual cells.
|
|
*/
|
|
void SetGeometryDirty() { mBits.mGeometryDirty = PR_TRUE; }
|
|
void ClearGeometryDirty() { mBits.mGeometryDirty = PR_FALSE; }
|
|
PRBool IsGeometryDirty() const { return mBits.mGeometryDirty; }
|
|
|
|
/** Get the cell map for this table frame. It is not always mCellMap.
|
|
* Only the firstInFlow has a legit cell map
|
|
*/
|
|
virtual nsTableCellMap* GetCellMap() const;
|
|
|
|
/** Iterate over the row groups and adjust the row indices of all rows
|
|
* whose index is >= aRowIndex.
|
|
* @param aRowIndex - start adjusting with this index
|
|
* @param aAdjustment - shift the row index by this amount
|
|
*/
|
|
void AdjustRowIndices(PRInt32 aRowIndex,
|
|
PRInt32 aAdjustment);
|
|
|
|
/** Reset the rowindices of all rows as they might have changed due to
|
|
* rowgroup reordering, exclude new row group frames that show in the
|
|
* reordering but are not yet inserted into the cellmap
|
|
* @param aRowGroupsToExclude - an iterator that will produce the row groups
|
|
* to exclude.
|
|
*/
|
|
void ResetRowIndices(const nsFrameList::Slice& aRowGroupsToExclude);
|
|
|
|
nsTArray<nsTableColFrame*>& GetColCache();
|
|
|
|
protected:
|
|
|
|
void SetBorderCollapse(PRBool aValue);
|
|
|
|
void CalcBCBorders();
|
|
|
|
void ExpandBCDamageArea(nsRect& aRect) const;
|
|
|
|
void SetColumnDimensions(nscoord aHeight,
|
|
const nsMargin& aReflowState);
|
|
|
|
PRInt32 CollectRows(nsIFrame* aFrame,
|
|
nsTArray<nsTableRowFrame*>& aCollection);
|
|
|
|
public: /* ----- Cell Map public methods ----- */
|
|
|
|
PRInt32 GetStartRowIndex(nsTableRowGroupFrame* aRowGroupFrame);
|
|
|
|
/** returns the number of rows in this table.
|
|
*/
|
|
PRInt32 GetRowCount () const
|
|
{
|
|
return GetCellMap()->GetRowCount();
|
|
}
|
|
|
|
/** returns the number of columns in this table after redundant columns have been removed
|
|
*/
|
|
PRInt32 GetEffectiveColCount() const;
|
|
|
|
/* return the col count including dead cols */
|
|
PRInt32 GetColCount () const
|
|
{
|
|
return GetCellMap()->GetColCount();
|
|
}
|
|
|
|
// return the last col index which isn't of type eColAnonymousCell
|
|
PRInt32 GetIndexOfLastRealCol();
|
|
|
|
/** returns PR_TRUE if table-layout:auto */
|
|
virtual PRBool IsAutoLayout();
|
|
|
|
/*---------------- nsITableLayout methods ------------------------*/
|
|
|
|
/** Get the cell and associated data for a table cell from the frame's cellmap */
|
|
NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
|
|
nsIDOMElement* &aCell, //out params
|
|
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
|
|
PRInt32& aRowSpan, PRInt32& aColSpan,
|
|
PRInt32& aActualRowSpan, PRInt32& aActualColSpan,
|
|
PRBool& aIsSelected);
|
|
|
|
/** Get the number of rows and column for a table from the frame's cellmap
|
|
* Some rows may not have enough cells (the number returned is the maximum possible),
|
|
* which displays as a ragged-right edge table
|
|
*/
|
|
NS_IMETHOD GetTableSize(PRInt32& aRowCount, PRInt32& aColCount);
|
|
|
|
/*------------end of nsITableLayout methods -----------------------*/
|
|
|
|
public:
|
|
|
|
#ifdef DEBUG
|
|
void Dump(PRBool aDumpRows,
|
|
PRBool aDumpCols,
|
|
PRBool aDumpCellMap);
|
|
#endif
|
|
|
|
protected:
|
|
#ifdef DEBUG
|
|
void DumpRowGroup(nsIFrame* aChildFrame);
|
|
#endif
|
|
// DATA MEMBERS
|
|
nsAutoTPtrArray<nsTableColFrame, 8> mColFrames;
|
|
|
|
struct TableBits {
|
|
PRUint32 mHaveReflowedColGroups:1; // have the col groups gotten their initial reflow
|
|
PRUint32 mHasPctCol:1; // does any cell or col have a pct width
|
|
PRUint32 mCellSpansPctCol:1; // does any cell span a col with a pct width (or containing a cell with a pct width)
|
|
PRUint32 mIsBorderCollapse:1; // border collapsing model vs. separate model
|
|
PRUint32 mRowInserted:1;
|
|
PRUint32 mNeedToCalcBCBorders:1;
|
|
PRUint32 mGeometryDirty:1;
|
|
PRUint32 mLeftContBCBorder:8;
|
|
PRUint32 mNeedToCollapse:1; // rows, cols that have visibility:collapse need to be collapsed
|
|
PRUint32 mHasZeroColSpans:1;
|
|
PRUint32 mNeedColSpanExpansion:1;
|
|
PRUint32 mResizedColumns:1; // have we resized columns since last reflow?
|
|
} mBits;
|
|
|
|
nsTableCellMap* mCellMap; // maintains the relationships between rows, cols, and cells
|
|
nsITableLayoutStrategy* mTableLayoutStrategy;// the layout strategy for this frame
|
|
nsFrameList mColGroups; // the list of colgroup frames
|
|
};
|
|
|
|
|
|
inline PRBool nsTableFrame::IsRowGroup(PRInt32 aDisplayType) const
|
|
{
|
|
return PRBool((NS_STYLE_DISPLAY_TABLE_HEADER_GROUP == aDisplayType) ||
|
|
(NS_STYLE_DISPLAY_TABLE_FOOTER_GROUP == aDisplayType) ||
|
|
(NS_STYLE_DISPLAY_TABLE_ROW_GROUP == aDisplayType));
|
|
}
|
|
|
|
inline void nsTableFrame::SetHaveReflowedColGroups(PRBool aValue)
|
|
{
|
|
mBits.mHaveReflowedColGroups = aValue;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::HaveReflowedColGroups() const
|
|
{
|
|
return (PRBool)mBits.mHaveReflowedColGroups;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::HasPctCol() const
|
|
{
|
|
return (PRBool)mBits.mHasPctCol;
|
|
}
|
|
|
|
inline void nsTableFrame::SetHasPctCol(PRBool aValue)
|
|
{
|
|
mBits.mHasPctCol = (unsigned)aValue;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::HasCellSpanningPctCol() const
|
|
{
|
|
return (PRBool)mBits.mCellSpansPctCol;
|
|
}
|
|
|
|
inline void nsTableFrame::SetHasCellSpanningPctCol(PRBool aValue)
|
|
{
|
|
mBits.mCellSpansPctCol = (unsigned)aValue;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::IsRowInserted() const
|
|
{
|
|
return (PRBool)mBits.mRowInserted;
|
|
}
|
|
|
|
inline void nsTableFrame::SetRowInserted(PRBool aValue)
|
|
{
|
|
mBits.mRowInserted = (unsigned)aValue;
|
|
}
|
|
|
|
inline void nsTableFrame::SetNeedToCollapse(PRBool aValue)
|
|
{
|
|
static_cast<nsTableFrame*>(GetFirstInFlow())->mBits.mNeedToCollapse = (unsigned)aValue;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::NeedToCollapse() const
|
|
{
|
|
return (PRBool) static_cast<nsTableFrame*>(GetFirstInFlow())->mBits.mNeedToCollapse;
|
|
}
|
|
|
|
inline void nsTableFrame::SetHasZeroColSpans(PRBool aValue)
|
|
{
|
|
mBits.mHasZeroColSpans = (unsigned)aValue;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::HasZeroColSpans() const
|
|
{
|
|
return (PRBool)mBits.mHasZeroColSpans;
|
|
}
|
|
|
|
inline void nsTableFrame::SetNeedColSpanExpansion(PRBool aValue)
|
|
{
|
|
mBits.mNeedColSpanExpansion = (unsigned)aValue;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::NeedColSpanExpansion() const
|
|
{
|
|
return (PRBool)mBits.mNeedColSpanExpansion;
|
|
}
|
|
|
|
|
|
inline nsFrameList& nsTableFrame::GetColGroups()
|
|
{
|
|
return static_cast<nsTableFrame*>(GetFirstInFlow())->mColGroups;
|
|
}
|
|
|
|
inline nsTArray<nsTableColFrame*>& nsTableFrame::GetColCache()
|
|
{
|
|
return mColFrames;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::IsBorderCollapse() const
|
|
{
|
|
return (PRBool)mBits.mIsBorderCollapse;
|
|
}
|
|
|
|
inline void nsTableFrame::SetBorderCollapse(PRBool aValue)
|
|
{
|
|
mBits.mIsBorderCollapse = aValue;
|
|
}
|
|
|
|
inline PRBool nsTableFrame::NeedToCalcBCBorders() const
|
|
{
|
|
return (PRBool)mBits.mNeedToCalcBCBorders;
|
|
}
|
|
|
|
inline void nsTableFrame::SetNeedToCalcBCBorders(PRBool aValue)
|
|
{
|
|
mBits.mNeedToCalcBCBorders = (unsigned)aValue;
|
|
}
|
|
|
|
inline nscoord
|
|
nsTableFrame::GetContinuousLeftBCBorderWidth() const
|
|
{
|
|
PRInt32 aPixelsToTwips = nsPresContext::AppUnitsPerCSSPixel();
|
|
return BC_BORDER_RIGHT_HALF_COORD(aPixelsToTwips, mBits.mLeftContBCBorder);
|
|
}
|
|
|
|
inline void nsTableFrame::SetContinuousLeftBCBorderWidth(nscoord aValue)
|
|
{
|
|
mBits.mLeftContBCBorder = (unsigned) aValue;
|
|
}
|
|
|
|
class nsTableIterator
|
|
{
|
|
public:
|
|
nsTableIterator(nsIFrame& aSource);
|
|
nsTableIterator(nsFrameList& aSource);
|
|
nsIFrame* First();
|
|
nsIFrame* Next();
|
|
PRBool IsLeftToRight();
|
|
PRInt32 Count();
|
|
|
|
protected:
|
|
void Init(nsIFrame* aFirstChild);
|
|
PRBool mLeftToRight;
|
|
nsIFrame* mFirstListChild;
|
|
nsIFrame* mFirstChild;
|
|
nsIFrame* mCurrentChild;
|
|
PRInt32 mCount;
|
|
};
|
|
|
|
#define ABORT0() \
|
|
{NS_ASSERTION(PR_FALSE, "CellIterator program error"); \
|
|
return;}
|
|
|
|
#define ABORT1(aReturn) \
|
|
{NS_ASSERTION(PR_FALSE, "CellIterator program error"); \
|
|
return aReturn;}
|
|
|
|
#endif
|