/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Pierre Phaneuf * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsTableOuterFrame.h" #include "nsTableFrame.h" #include "nsStyleContext.h" #include "nsStyleConsts.h" #include "nsPresContext.h" #include "nsIRenderingContext.h" #include "nsCSSRendering.h" #include "nsIContent.h" #include "prinrval.h" #include "nsGkAtoms.h" #include "nsHTMLParts.h" #include "nsIPresShell.h" #ifdef ACCESSIBILITY #include "nsIAccessibilityService.h" #endif #include "nsIServiceManager.h" #include "nsIDOMNode.h" #include "nsDisplayList.h" #include "nsLayoutUtils.h" /* ----------- nsTableCaptionFrame ---------- */ #define NS_TABLE_FRAME_CAPTION_LIST_INDEX 0 #define NO_SIDE 100 // caption frame nsTableCaptionFrame::nsTableCaptionFrame(nsStyleContext* aContext): nsBlockFrame(aContext) { // shrink wrap SetFlags(NS_BLOCK_SPACE_MGR); } nsTableCaptionFrame::~nsTableCaptionFrame() { } nsIAtom* nsTableCaptionFrame::GetType() const { return nsGkAtoms::tableCaptionFrame; } /* virtual */ nscoord nsTableOuterFrame::GetBaseline() const { nsIFrame* kid = mFrames.FirstChild(); if (!kid) { NS_NOTREACHED("no inner table"); return nsHTMLContainerFrame::GetBaseline(); } return kid->GetBaseline() + kid->GetPosition().y; } inline PRBool IsSideCaption(nsIFrame* aCaptionFrame) { PRUint8 captionSide = aCaptionFrame->GetStyleTableBorder()->mCaptionSide; return captionSide == NS_SIDE_LEFT || captionSide == NS_SIDE_RIGHT; } /* virtual */ nsSize nsTableCaptionFrame::ComputeAutoSize(nsIRenderingContext *aRenderingContext, nsSize aCBSize, nscoord aAvailableWidth, nsSize aMargin, nsSize aBorder, nsSize aPadding, PRBool aShrinkWrap) { nsSize result = nsBlockFrame::ComputeAutoSize(aRenderingContext, aCBSize, aAvailableWidth, aMargin, aBorder, aPadding, aShrinkWrap); if (IsSideCaption(this)) { result.width = GetMinWidth(aRenderingContext); } return result; } NS_IMETHODIMP nsTableCaptionFrame::GetParentStyleContextFrame(nsPresContext* aPresContext, nsIFrame** aProviderFrame, PRBool* aIsChild) { NS_PRECONDITION(mContent->GetParent(), "How could we not have a parent here?"); // The caption's style context parent is the inner frame, unless // it's anonymous. nsIFrame* outerFrame = GetParent(); if (outerFrame && outerFrame->GetType() == nsGkAtoms::tableOuterFrame) { nsIFrame* innerFrame = outerFrame->GetFirstChild(nsnull); if (innerFrame) { *aProviderFrame = nsFrame::CorrectStyleParentFrame(innerFrame, GetStyleContext()->GetPseudoType()); *aIsChild = PR_FALSE; return NS_OK; } } NS_NOTREACHED("Where is our inner table frame?"); return nsBlockFrame::GetParentStyleContextFrame(aPresContext, aProviderFrame, aIsChild); } #ifdef ACCESSIBILITY NS_IMETHODIMP nsTableCaptionFrame::GetAccessible(nsIAccessible** aAccessible) { *aAccessible = nsnull; if (!GetRect().IsEmpty()) { nsCOMPtr accService = do_GetService("@mozilla.org/accessibilityService;1"); if (accService) { return accService->CreateHTMLCaptionAccessible(static_cast(this), aAccessible); } } return NS_ERROR_FAILURE; } #endif #ifdef NS_DEBUG NS_IMETHODIMP nsTableCaptionFrame::GetFrameName(nsAString& aResult) const { return MakeFrameName(NS_LITERAL_STRING("Caption"), aResult); } #endif nsIFrame* NS_NewTableCaptionFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) { return new (aPresShell) nsTableCaptionFrame(aContext); } /* ----------- nsTableOuterFrame ---------- */ NS_IMPL_ADDREF_INHERITED(nsTableOuterFrame, nsHTMLContainerFrame) NS_IMPL_RELEASE_INHERITED(nsTableOuterFrame, nsHTMLContainerFrame) nsTableOuterFrame::nsTableOuterFrame(nsStyleContext* aContext): nsHTMLContainerFrame(aContext) { } nsTableOuterFrame::~nsTableOuterFrame() { } NS_IMETHODIMP nsTableOuterFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr) { NS_PRECONDITION(aInstancePtr, "null out param"); if (aIID.Equals(NS_GET_IID(nsITableLayout))) { *aInstancePtr = static_cast(this); return NS_OK; } return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr); } #ifdef ACCESSIBILITY NS_IMETHODIMP nsTableOuterFrame::GetAccessible(nsIAccessible** aAccessible) { nsCOMPtr accService = do_GetService("@mozilla.org/accessibilityService;1"); if (accService) { return accService->CreateHTMLTableAccessible(static_cast(this), aAccessible); } return NS_ERROR_FAILURE; } #endif /* virtual */ PRBool nsTableOuterFrame::IsContainingBlock() const { return PR_FALSE; } NS_IMETHODIMP nsTableOuterFrame::Init( nsIContent* aContent, nsIFrame* aParent, nsIFrame* aPrevInFlow) { nsresult rv = nsHTMLContainerFrame::Init(aContent, aParent, aPrevInFlow); // record that children that are ignorable whitespace should be excluded mState |= NS_FRAME_EXCLUDE_IGNORABLE_WHITESPACE; return rv; } void nsTableOuterFrame::Destroy() { mCaptionFrames.DestroyFrames(); nsHTMLContainerFrame::Destroy(); } nsIFrame* nsTableOuterFrame::GetFirstChild(nsIAtom* aListName) const { if (nsGkAtoms::captionList == aListName) { return mCaptionFrames.FirstChild(); } if (!aListName) { return mFrames.FirstChild(); } return nsnull; } nsIAtom* nsTableOuterFrame::GetAdditionalChildListName(PRInt32 aIndex) const { if (aIndex == NS_TABLE_FRAME_CAPTION_LIST_INDEX) { return nsGkAtoms::captionList; } return nsnull; } NS_IMETHODIMP nsTableOuterFrame::SetInitialChildList(nsIAtom* aListName, nsIFrame* aChildList) { if (nsGkAtoms::captionList == aListName) { // the frame constructor already checked for table-caption display type mCaptionFrames.SetFrames(aChildList); mCaptionFrame = mCaptionFrames.FirstChild(); } else { NS_ASSERTION(!aListName, "wrong childlist"); NS_ASSERTION(mFrames.IsEmpty(), "Frame leak!"); mFrames.SetFrames(aChildList); mInnerTableFrame = nsnull; if (aChildList) { if (nsGkAtoms::tableFrame == aChildList->GetType()) { mInnerTableFrame = (nsTableFrame*)aChildList; } else { NS_ERROR("expected a table frame"); return NS_ERROR_INVALID_ARG; } } } return NS_OK; } NS_IMETHODIMP nsTableOuterFrame::AppendFrames(nsIAtom* aListName, nsIFrame* aFrameList) { nsresult rv; // We only have two child frames: the inner table and a caption frame. // The inner frame is provided when we're initialized, and it cannot change if (nsGkAtoms::captionList == aListName) { NS_ASSERTION(!aFrameList || aFrameList->GetType() == nsGkAtoms::tableCaptionFrame, "appending non-caption frame to captionList"); mCaptionFrames.AppendFrames(this, aFrameList); mCaptionFrame = mCaptionFrames.FirstChild(); rv = NS_OK; // Reflow the new caption frame. It's already marked dirty, so // just tell the pres shell. PresContext()->PresShell()-> FrameNeedsReflow(this, nsIPresShell::eTreeChange, NS_FRAME_HAS_DIRTY_CHILDREN); } else { NS_PRECONDITION(PR_FALSE, "unexpected child list"); rv = NS_ERROR_UNEXPECTED; } return rv; } NS_IMETHODIMP nsTableOuterFrame::InsertFrames(nsIAtom* aListName, nsIFrame* aPrevFrame, nsIFrame* aFrameList) { if (nsGkAtoms::captionList == aListName) { NS_ASSERTION(!aPrevFrame || aPrevFrame->GetParent() == this, "inserting after sibling frame with different parent"); NS_ASSERTION(!aFrameList || aFrameList->GetType() == nsGkAtoms::tableCaptionFrame, "inserting non-caption frame into captionList"); mCaptionFrames.InsertFrames(nsnull, aPrevFrame, aFrameList); mCaptionFrame = mCaptionFrames.FirstChild(); // Reflow the new caption frame. It's already marked dirty, so // just tell the pres shell. PresContext()->PresShell()-> FrameNeedsReflow(this, nsIPresShell::eTreeChange, NS_FRAME_HAS_DIRTY_CHILDREN); return NS_OK; } else { NS_PRECONDITION(!aPrevFrame, "invalid previous frame"); return AppendFrames(aListName, aFrameList); } } NS_IMETHODIMP nsTableOuterFrame::RemoveFrame(nsIAtom* aListName, nsIFrame* aOldFrame) { // We only have two child frames: the inner table and one caption frame. // The inner frame can't be removed so this should be the caption NS_PRECONDITION(nsGkAtoms::captionList == aListName, "can't remove inner frame"); PRUint8 captionSide = GetCaptionSide(); if (NS_SIDE_LEFT == captionSide || NS_SIDE_RIGHT == captionSide) { // The old caption width had an effect on the inner table width so // we're going to need to reflow it. Mark it dirty mInnerTableFrame->AddStateBits(NS_FRAME_IS_DIRTY); } // Remove the frame and destroy it mCaptionFrames.DestroyFrame(aOldFrame); mCaptionFrame = mCaptionFrames.FirstChild(); PresContext()->PresShell()-> FrameNeedsReflow(this, nsIPresShell::eTreeChange, NS_FRAME_HAS_DIRTY_CHILDREN); // also means child removed return NS_OK; } NS_METHOD nsTableOuterFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect, const nsDisplayListSet& aLists) { // No border, background or outline are painted because they all belong // to the inner table. if (!IsVisibleInSelection(aBuilder)) return NS_OK; // If there's no caption, take a short cut to avoid having to create // the special display list set and then sort it. if (!mCaptionFrame) return BuildDisplayListForInnerTable(aBuilder, aDirtyRect, aLists); nsDisplayListCollection set; nsresult rv = BuildDisplayListForInnerTable(aBuilder, aDirtyRect, set); NS_ENSURE_SUCCESS(rv, rv); nsDisplayListSet captionSet(set, set.BlockBorderBackgrounds()); rv = BuildDisplayListForChild(aBuilder, mCaptionFrame, aDirtyRect, captionSet); NS_ENSURE_SUCCESS(rv, rv); // Now we have to sort everything by content order, since the caption // may be somewhere inside the table set.SortAllByContentOrder(aBuilder, GetContent()); set.MoveTo(aLists); return NS_OK; } nsresult nsTableOuterFrame::BuildDisplayListForInnerTable(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect, const nsDisplayListSet& aLists) { // Just paint the regular children, but the children's background is our // true background (there should only be one, the real table) nsIFrame* kid = mFrames.FirstChild(); // The children should be in content order while (kid) { nsresult rv = BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists); NS_ENSURE_SUCCESS(rv, rv); kid = kid->GetNextSibling(); } return NS_OK; } NS_IMETHODIMP nsTableOuterFrame::SetSelected(nsPresContext* aPresContext, nsIDOMRange *aRange, PRBool aSelected, nsSpread aSpread) { nsresult result = nsFrame::SetSelected(aPresContext, aRange,aSelected, aSpread); if (NS_SUCCEEDED(result) && mInnerTableFrame) return mInnerTableFrame->SetSelected(aPresContext, aRange,aSelected, aSpread); return result; } NS_IMETHODIMP nsTableOuterFrame::GetParentStyleContextFrame(nsPresContext* aPresContext, nsIFrame** aProviderFrame, PRBool* aIsChild) { // The table outer frame and the (inner) table frame split the style // data by giving the table frame the style context associated with // the table content node and creating a style context for the outer // frame that is a *child* of the table frame's style context, // matching the ::-moz-table-outer pseudo-element. html.css has a // rule that causes that pseudo-element (and thus the outer table) // to inherit *some* style properties from the table frame. The // children of the table inherit directly from the inner table, and // the outer table's style context is a leaf. if (!mInnerTableFrame) { *aProviderFrame = this; *aIsChild = PR_FALSE; return NS_ERROR_FAILURE; } *aProviderFrame = mInnerTableFrame; *aIsChild = PR_TRUE; return NS_OK; } // INCREMENTAL REFLOW HELPER FUNCTIONS void nsTableOuterFrame::InitChildReflowState(nsPresContext& aPresContext, nsHTMLReflowState& aReflowState) { nsMargin collapseBorder; nsMargin collapsePadding(0,0,0,0); nsMargin* pCollapseBorder = nsnull; nsMargin* pCollapsePadding = nsnull; if ((aReflowState.frame == mInnerTableFrame) && (mInnerTableFrame->IsBorderCollapse())) { collapseBorder = mInnerTableFrame->GetIncludedOuterBCBorder(); pCollapseBorder = &collapseBorder; pCollapsePadding = &collapsePadding; } aReflowState.Init(&aPresContext, -1, -1, pCollapseBorder, pCollapsePadding); } // get the margin and padding data. nsHTMLReflowState doesn't handle the // case of auto margins void nsTableOuterFrame::GetMargin(nsPresContext* aPresContext, const nsHTMLReflowState& aOuterRS, nsIFrame* aChildFrame, nscoord aAvailWidth, nsMargin& aMargin) { // construct a reflow state to compute margin and padding. Auto margins // will not be computed at this time. // create and init the child reflow state // XXX We really shouldn't construct a reflow state to do this. nsHTMLReflowState childRS(aPresContext, aOuterRS, aChildFrame, nsSize(aAvailWidth, aOuterRS.availableHeight), -1, -1, PR_FALSE); InitChildReflowState(*aPresContext, childRS); aMargin = childRS.mComputedMargin; } static nscoord CalcAutoMargin(nscoord aAutoMargin, nscoord aOppositeMargin, nscoord aContainBlockSize, nscoord aFrameSize) { nscoord margin; if (NS_AUTOMARGIN == aOppositeMargin) margin = (aContainBlockSize - aFrameSize) / 2; else { margin = aContainBlockSize - aFrameSize - aOppositeMargin; } return PR_MAX(0, margin); } static nsSize GetContainingBlockSize(const nsHTMLReflowState& aOuterRS) { nsSize size(0,0); const nsHTMLReflowState* containRS = aOuterRS.mCBReflowState; if (containRS) { size.width = containRS->ComputedWidth(); if (NS_UNCONSTRAINEDSIZE == size.width) { size.width = 0; } size.height = containRS->ComputedHeight(); if (NS_UNCONSTRAINEDSIZE == size.height) { size.height = 0; } } return size; } void nsTableOuterFrame::InvalidateDamage(PRUint8 aCaptionSide, const nsSize& aOuterSize, PRBool aInnerChanged, PRBool aCaptionChanged, nsRect* aOldOverflowArea) { if (!aInnerChanged && !aCaptionChanged) return; nsRect damage; if (aInnerChanged && aCaptionChanged) { damage = nsRect(0, 0, aOuterSize.width, aOuterSize.height); if (aOldOverflowArea) { damage.UnionRect(damage, *aOldOverflowArea); } nsRect* overflowArea = GetOverflowAreaProperty(); if (overflowArea) { damage.UnionRect(damage, *overflowArea); } } else { nsRect captionRect(0,0,0,0); nsRect innerRect = mInnerTableFrame->GetRect(); if (mCaptionFrame) { captionRect = mCaptionFrame->GetRect(); } damage.x = 0; damage.width = aOuterSize.width; switch(aCaptionSide) { case NS_SIDE_BOTTOM: if (aCaptionChanged) { damage.y = innerRect.y; damage.height = aOuterSize.height - damage.y; } else { // aInnerChanged damage.y = 0; damage.height = captionRect.y; } break; case NS_SIDE_LEFT: if (aCaptionChanged) { damage.width = innerRect.x; damage.y = 0; damage.height = captionRect.YMost(); } else { // aInnerChanged damage.x = captionRect.XMost(); damage.width = innerRect.XMost() - damage.x; damage.y = 0; damage.height = innerRect.YMost(); } break; case NS_SIDE_RIGHT: if (aCaptionChanged) { damage.x = innerRect.XMost(); damage.width -= damage.x; damage.y = 0; damage.height = captionRect.YMost(); } else { // aInnerChanged damage.width -= captionRect.width; damage.y = 0; damage.height = innerRect.YMost(); } break; default: // NS_SIDE_TOP if (aCaptionChanged) { damage.y = 0; damage.height = innerRect.y; } else { // aInnerChanged damage.y = captionRect.y; damage.height = aOuterSize.height - damage.y; } break; } nsIFrame* kidFrame = aCaptionChanged ? mCaptionFrame : mInnerTableFrame; ConsiderChildOverflow(damage, kidFrame); if (aOldOverflowArea) { damage.UnionRect(damage, *aOldOverflowArea); } } Invalidate(damage); } /* virtual */ nscoord nsTableOuterFrame::GetMinWidth(nsIRenderingContext *aRenderingContext) { nscoord width = nsLayoutUtils::IntrinsicForContainer(aRenderingContext, mInnerTableFrame, nsLayoutUtils::MIN_WIDTH); DISPLAY_MIN_WIDTH(this, width); if (mCaptionFrame) { nscoord capWidth = nsLayoutUtils::IntrinsicForContainer(aRenderingContext, mCaptionFrame, nsLayoutUtils::MIN_WIDTH); switch(GetCaptionSide()) { case NS_SIDE_LEFT: case NS_SIDE_RIGHT: width += capWidth; break; default: if (capWidth > width) { width = capWidth; } } } return width; } /* virtual */ nscoord nsTableOuterFrame::GetPrefWidth(nsIRenderingContext *aRenderingContext) { nscoord maxWidth; DISPLAY_PREF_WIDTH(this, maxWidth); maxWidth = nsLayoutUtils::IntrinsicForContainer(aRenderingContext, mInnerTableFrame, nsLayoutUtils::PREF_WIDTH); if (mCaptionFrame) { PRUint8 captionSide = GetCaptionSide(); switch(captionSide) { case NS_SIDE_LEFT: case NS_SIDE_RIGHT: { nscoord capMin = nsLayoutUtils::IntrinsicForContainer(aRenderingContext, mCaptionFrame, nsLayoutUtils::MIN_WIDTH); maxWidth += capMin; } break; case NS_SIDE_TOP: case NS_SIDE_BOTTOM: default: // no caption { nscoord capPref = nsLayoutUtils::IntrinsicForContainer(aRenderingContext, mCaptionFrame, nsLayoutUtils::PREF_WIDTH); maxWidth = PR_MAX(maxWidth, capPref); } } } return maxWidth; } /* virtual */ nsSize nsTableOuterFrame::ComputeAutoSize(nsIRenderingContext *aRenderingContext, nsSize aCBSize, nscoord aAvailableWidth, nsSize aMargin, nsSize aBorder, nsSize aPadding, PRBool aShrinkWrap) { if (!aShrinkWrap) return nsHTMLContainerFrame::ComputeAutoSize(aRenderingContext, aCBSize, aAvailableWidth, aMargin, aBorder, aPadding, aShrinkWrap); // When we're shrink-wrapping, our auto size needs to wrap around the // actual size of the table, which (if it is specified as a percent) // could be something that is not reflected in our GetMinWidth and // GetPrefWidth. See bug 349457 for an example. // The outer table's children do not use it as a containing block. nsCSSOffsetState innerOffsets(mInnerTableFrame, aRenderingContext, aCBSize.width); nsSize tableSize = mInnerTableFrame->ComputeSize(aRenderingContext, aCBSize, aAvailableWidth, nsSize(innerOffsets.mComputedMargin.LeftRight(), innerOffsets.mComputedMargin.TopBottom()), nsSize(innerOffsets.mComputedBorderPadding.LeftRight() - innerOffsets.mComputedPadding.LeftRight(), innerOffsets.mComputedBorderPadding.TopBottom() - innerOffsets.mComputedPadding.TopBottom()), nsSize(innerOffsets.mComputedPadding.LeftRight(), innerOffsets.mComputedPadding.TopBottom()), aShrinkWrap); nscoord width = tableSize.width + innerOffsets.mComputedMargin.LeftRight() + innerOffsets.mComputedBorderPadding.LeftRight(); if (mCaptionFrame) { nsCSSOffsetState capOffsets(mCaptionFrame, aRenderingContext, aCBSize.width); nsSize capSize = mCaptionFrame->ComputeSize(aRenderingContext, aCBSize, aAvailableWidth, nsSize(capOffsets.mComputedMargin.LeftRight(), capOffsets.mComputedMargin.TopBottom()), nsSize(capOffsets.mComputedBorderPadding.LeftRight() - capOffsets.mComputedPadding.LeftRight(), capOffsets.mComputedBorderPadding.TopBottom() - capOffsets.mComputedPadding.TopBottom()), nsSize(capOffsets.mComputedPadding.LeftRight(), capOffsets.mComputedPadding.TopBottom()), aShrinkWrap); PRUint8 captionSide = GetCaptionSide(); nscoord capWidth = capSize.width + capOffsets.mComputedMargin.LeftRight() + capOffsets.mComputedBorderPadding.LeftRight(); if (captionSide == NS_SIDE_LEFT || captionSide == NS_SIDE_RIGHT) { width += capWidth; } else { if (capWidth > width) width = capWidth; } } return nsSize(width, NS_UNCONSTRAINEDSIZE); } PRUint8 nsTableOuterFrame::GetCaptionSide() { if (mCaptionFrame) { return mCaptionFrame->GetStyleTableBorder()->mCaptionSide; } else { return NO_SIDE; // no caption } } PRUint8 nsTableOuterFrame::GetCaptionVerticalAlign() { const nsStyleCoord& va = mCaptionFrame->GetStyleTextReset()->mVerticalAlign; return (va.GetUnit() == eStyleUnit_Enumerated) ? va.GetIntValue() : NS_STYLE_VERTICAL_ALIGN_TOP; } void nsTableOuterFrame::SetDesiredSize(PRUint8 aCaptionSide, const nsMargin& aInnerMargin, const nsMargin& aCaptionMargin, nscoord& aWidth, nscoord& aHeight) { aWidth = aHeight = 0; nsRect innerRect = mInnerTableFrame->GetRect(); nscoord innerWidth = innerRect.width; nsRect captionRect(0,0,0,0); nscoord captionWidth = 0; if (mCaptionFrame) { captionRect = mCaptionFrame->GetRect(); captionWidth = captionRect.width; } switch(aCaptionSide) { case NS_SIDE_LEFT: aWidth = PR_MAX(aInnerMargin.left, aCaptionMargin.left + captionWidth + aCaptionMargin.right) + innerWidth + aInnerMargin.right; break; case NS_SIDE_RIGHT: aWidth = PR_MAX(aInnerMargin.right, aCaptionMargin.left + captionWidth + aCaptionMargin.right) + innerWidth + aInnerMargin.left; break; default: aWidth = aInnerMargin.left + innerWidth + aInnerMargin.right; aWidth = PR_MAX(aWidth, captionRect.XMost() + aCaptionMargin.right); } aHeight = innerRect.YMost() + aInnerMargin.bottom; aHeight = PR_MAX(aHeight, captionRect.YMost() + aCaptionMargin.bottom); } // XXX This is now unused, but it probably should be used! void nsTableOuterFrame::BalanceLeftRightCaption(PRUint8 aCaptionSide, const nsMargin& aInnerMargin, const nsMargin& aCaptionMargin, nscoord& aInnerWidth, nscoord& aCaptionWidth) { /* balance the caption and inner table widths to ensure space for percent widths * Percent widths for captions or the inner table frame can determine how much of the * available width is used and how the available width is distributed between those frames * The inner table frame has already a quite sophisticated treatment of percentage widths * (see BasicTableLayoutStrategy.cpp). So it acts as master in the below computations. * There are four possible scenarios * a) None of the frames have a percentage width - then the aInnerWidth and aCaptionwidth will not change * b) Only the inner frame has a percentage width - this is handled in BasicTableLayoutStrategy.cpp, * both widths will not change * c) Only the caption has a percentage width - then the overall width (ow) will be different depending on * the caption side. For the left side * ow = aCaptionMargin.left + aCaptionWidth + aCaptionMargin.right + aInnerwidth + aInnerMargin.right * aCaptionWidth = capPercent * ow * solving this equation for aCaptionWidth gives: * aCaptionWidth = capPercent/(1-capPercent) * * (aCaptionMargin.left + aCaptionMargin.right + aInnerwidth + aInnerMargin.right) * this result will cause problems for capPercent >= 1, in these cases the algorithm will now bail out * a similar expression can be found for the right case * d) both frames have percent widths in this case the caption width will be the inner width multiplied * by the weight capPercent/innerPercent */ float capPercent = -1.0; float innerPercent = -1.0; const nsStylePosition* position = mCaptionFrame->GetStylePosition(); if (eStyleUnit_Percent == position->mWidth.GetUnit()) { capPercent = position->mWidth.GetPercentValue(); if (capPercent >= 1.0) return; } position = mInnerTableFrame->GetStylePosition(); if (eStyleUnit_Percent == position->mWidth.GetUnit()) { innerPercent = position->mWidth.GetPercentValue(); if (innerPercent >= 1.0) return; } if ((capPercent <= 0.0) && (innerPercent <= 0.0)) return; if (innerPercent <= 0.0) { if (NS_SIDE_LEFT == aCaptionSide) aCaptionWidth= (nscoord) ((capPercent / (1.0 - capPercent)) * (aCaptionMargin.left + aCaptionMargin.right + aInnerWidth + aInnerMargin.right)); else aCaptionWidth= (nscoord) ((capPercent / (1.0 - capPercent)) * (aCaptionMargin.left + aCaptionMargin.right + aInnerWidth + aInnerMargin.left)); } else { aCaptionWidth = (nscoord) ((capPercent / innerPercent) * aInnerWidth); } } nsresult nsTableOuterFrame::GetCaptionOrigin(PRUint32 aCaptionSide, const nsSize& aContainBlockSize, const nsSize& aInnerSize, const nsMargin& aInnerMargin, const nsSize& aCaptionSize, nsMargin& aCaptionMargin, nsPoint& aOrigin) { aOrigin.x = aOrigin.y = 0; if ((NS_UNCONSTRAINEDSIZE == aInnerSize.width) || (NS_UNCONSTRAINEDSIZE == aInnerSize.height) || (NS_UNCONSTRAINEDSIZE == aCaptionSize.width) || (NS_UNCONSTRAINEDSIZE == aCaptionSize.height)) { return NS_OK; } if (!mCaptionFrame) return NS_OK; switch(aCaptionSide) { case NS_SIDE_BOTTOM: { if (NS_AUTOMARGIN == aCaptionMargin.left) { aCaptionMargin.left = CalcAutoMargin(aCaptionMargin.left, aCaptionMargin.right, aContainBlockSize.width, aCaptionSize.width); } aOrigin.x = aCaptionMargin.left; if (NS_AUTOMARGIN == aCaptionMargin.top) { aCaptionMargin.top = 0; } nsCollapsingMargin marg; marg.Include(aCaptionMargin.top); marg.Include(aInnerMargin.bottom); nscoord collapseMargin = marg.get(); if (NS_AUTOMARGIN == aCaptionMargin.bottom) { nscoord height = aInnerSize.height + collapseMargin + aCaptionSize.height; aCaptionMargin.bottom = CalcAutoMargin(aCaptionMargin.bottom, aInnerMargin.top, aContainBlockSize.height, height); } aOrigin.y = aInnerMargin.top + aInnerSize.height + collapseMargin; } break; case NS_SIDE_LEFT: { if (NS_AUTOMARGIN == aCaptionMargin.left) { if (NS_AUTOMARGIN != aInnerMargin.left) { aCaptionMargin.left = CalcAutoMargin(aCaptionMargin.left, aCaptionMargin.right, aInnerMargin.left, aCaptionSize.width); } else { // zero for now aCaptionMargin.left = 0; } } aOrigin.x = aCaptionMargin.left; aOrigin.y = aInnerMargin.top; switch(GetCaptionVerticalAlign()) { case NS_STYLE_VERTICAL_ALIGN_MIDDLE: aOrigin.y = PR_MAX(0, aInnerMargin.top + ((aInnerSize.height - aCaptionSize.height) / 2)); break; case NS_STYLE_VERTICAL_ALIGN_BOTTOM: aOrigin.y = PR_MAX(0, aInnerMargin.top + aInnerSize.height - aCaptionSize.height); break; default: break; } } break; case NS_SIDE_RIGHT: { if (NS_AUTOMARGIN == aCaptionMargin.left) { if (NS_AUTOMARGIN != aInnerMargin.right) { aCaptionMargin.left = CalcAutoMargin(aCaptionMargin.left, aCaptionMargin.right, aInnerMargin.right, aCaptionSize.width); } else { // zero for now aCaptionMargin.left = 0; } } aOrigin.x = aInnerMargin.left + aInnerSize.width + aCaptionMargin.left; aOrigin.y = aInnerMargin.top; switch(GetCaptionVerticalAlign()) { case NS_STYLE_VERTICAL_ALIGN_MIDDLE: aOrigin.y += PR_MAX(0, (aInnerSize.height - aCaptionSize.height) / 2); break; case NS_STYLE_VERTICAL_ALIGN_BOTTOM: aOrigin.y += PR_MAX(0, aInnerSize.height - aCaptionSize.height); break; default: break; } } break; default: { // top if (NS_AUTOMARGIN == aCaptionMargin.left) { aCaptionMargin.left = CalcAutoMargin(aCaptionMargin.left, aCaptionMargin.right, aContainBlockSize.width, aCaptionSize.width); } aOrigin.x = aCaptionMargin.left; if (NS_AUTOMARGIN == aCaptionMargin.bottom) { aCaptionMargin.bottom = 0; } if (NS_AUTOMARGIN == aCaptionMargin.top) { nsCollapsingMargin marg; marg.Include(aCaptionMargin.bottom); marg.Include(aInnerMargin.top); nscoord collapseMargin = marg.get(); nscoord height = aCaptionSize.height + collapseMargin + aInnerSize.height; aCaptionMargin.top = CalcAutoMargin(aCaptionMargin.top, aInnerMargin.bottom, aContainBlockSize.height, height); } aOrigin.y = aCaptionMargin.top; } break; } return NS_OK; } nsresult nsTableOuterFrame::GetInnerOrigin(PRUint32 aCaptionSide, const nsSize& aContainBlockSize, const nsSize& aCaptionSize, const nsMargin& aCaptionMargin, const nsSize& aInnerSize, nsMargin& aInnerMargin, nsPoint& aOrigin) { aOrigin.x = aOrigin.y = 0; if ((NS_UNCONSTRAINEDSIZE == aInnerSize.width) || (NS_UNCONSTRAINEDSIZE == aInnerSize.height) || (NS_UNCONSTRAINEDSIZE == aCaptionSize.width) || (NS_UNCONSTRAINEDSIZE == aCaptionSize.height)) { return NS_OK; } nscoord minCapWidth = aCaptionSize.width; if (NS_AUTOMARGIN != aCaptionMargin.left) minCapWidth += aCaptionMargin.left; if (NS_AUTOMARGIN != aCaptionMargin.right) minCapWidth += aCaptionMargin.right; switch(aCaptionSide) { case NS_SIDE_BOTTOM: { if (NS_AUTOMARGIN == aInnerMargin.left) { aInnerMargin.left = CalcAutoMargin(aInnerMargin.left, aInnerMargin.right, aContainBlockSize.width, aInnerSize.width); } aOrigin.x = aInnerMargin.left; if (NS_AUTOMARGIN == aInnerMargin.bottom) { aInnerMargin.bottom = 0; } if (NS_AUTOMARGIN == aInnerMargin.top) { nsCollapsingMargin marg; marg.Include(aInnerMargin.bottom); marg.Include(aCaptionMargin.top); nscoord collapseMargin = marg.get(); nscoord height = aInnerSize.height + collapseMargin + aCaptionSize.height; aInnerMargin.top = CalcAutoMargin(aInnerMargin.top, aCaptionMargin.bottom, aContainBlockSize.height, height); } aOrigin.y = aInnerMargin.top; } break; case NS_SIDE_LEFT: { if (NS_AUTOMARGIN == aInnerMargin.left) { aInnerMargin.left = CalcAutoMargin(aInnerMargin.left, aInnerMargin.right, aContainBlockSize.width, aInnerSize.width); } if (aInnerMargin.left < minCapWidth) { // shift the inner table to get some place for the caption aInnerMargin.right += aInnerMargin.left - minCapWidth; aInnerMargin.right = PR_MAX(0, aInnerMargin.right); aInnerMargin.left = minCapWidth; } aOrigin.x = aInnerMargin.left; if (NS_AUTOMARGIN == aInnerMargin.top) { aInnerMargin.top = 0; } aOrigin.y = aInnerMargin.top; switch(GetCaptionVerticalAlign()) { case NS_STYLE_VERTICAL_ALIGN_MIDDLE: aOrigin.y = PR_MAX(aInnerMargin.top, (aCaptionSize.height - aInnerSize.height) / 2); break; case NS_STYLE_VERTICAL_ALIGN_BOTTOM: aOrigin.y = PR_MAX(aInnerMargin.top, aCaptionSize.height - aInnerSize.height); break; default: break; } } break; case NS_SIDE_RIGHT: { if (NS_AUTOMARGIN == aInnerMargin.right) { aInnerMargin.right = CalcAutoMargin(aInnerMargin.left, aInnerMargin.right, aContainBlockSize.width, aInnerSize.width); if (aInnerMargin.right < minCapWidth) { // shift the inner table to get some place for the caption aInnerMargin.left -= aInnerMargin.right - minCapWidth; aInnerMargin.left = PR_MAX(0, aInnerMargin.left); aInnerMargin.right = minCapWidth; } } aOrigin.x = aInnerMargin.left; if (NS_AUTOMARGIN == aInnerMargin.top) { aInnerMargin.top = 0; } aOrigin.y = aInnerMargin.top; switch(GetCaptionVerticalAlign()) { case NS_STYLE_VERTICAL_ALIGN_MIDDLE: aOrigin.y = PR_MAX(aInnerMargin.top, (aCaptionSize.height - aInnerSize.height) / 2); break; case NS_STYLE_VERTICAL_ALIGN_BOTTOM: aOrigin.y = PR_MAX(aInnerMargin.top, aCaptionSize.height - aInnerSize.height); break; default: break; } } break; default: { // top if (NS_AUTOMARGIN == aInnerMargin.left) { aInnerMargin.left = CalcAutoMargin(aInnerMargin.left, aInnerMargin.right, aContainBlockSize.width, aInnerSize.width); } aOrigin.x = aInnerMargin.left; if (NS_AUTOMARGIN == aInnerMargin.top) { aInnerMargin.top = 0; } nsCollapsingMargin marg; marg.Include(aCaptionMargin.bottom); marg.Include(aInnerMargin.top); nscoord collapseMargin = marg.get(); if (NS_AUTOMARGIN == aInnerMargin.bottom) { nscoord height = aCaptionSize.height + collapseMargin + aInnerSize.height; aInnerMargin.bottom = CalcAutoMargin(aCaptionMargin.bottom, aInnerMargin.top, aContainBlockSize.height, height); } aOrigin.y = aCaptionMargin.top + aCaptionSize.height + collapseMargin; } break; } return NS_OK; } // helper method for determining if this is a nested table or not PRBool nsTableOuterFrame::IsNested(const nsHTMLReflowState& aReflowState) const { // Walk up the reflow state chain until we find a cell or the root const nsHTMLReflowState* rs = aReflowState.parentReflowState; while (rs) { if (nsGkAtoms::tableFrame == rs->frame->GetType()) { return PR_TRUE; } rs = rs->parentReflowState; } return PR_FALSE; } nsresult nsTableOuterFrame::OuterReflowChild(nsPresContext* aPresContext, nsIFrame* aChildFrame, const nsHTMLReflowState& aOuterRS, void* aChildRSSpace, nsHTMLReflowMetrics& aMetrics, nscoord aAvailWidth, nsSize& aDesiredSize, nsMargin& aMargin, nsReflowStatus& aStatus) { aMargin = nsMargin(0,0,0,0); // work around pixel rounding errors, round down to ensure we don't exceed the avail height in nscoord availHeight = aOuterRS.availableHeight; if (NS_UNCONSTRAINEDSIZE != availHeight) { nsMargin margin; GetMargin(aPresContext, aOuterRS, aChildFrame, aOuterRS.availableWidth, margin); NS_ASSERTION(NS_UNCONSTRAINEDSIZE != margin.top, "No unconstrainedsize arithmetic, please"); availHeight -= margin.top; NS_ASSERTION(NS_UNCONSTRAINEDSIZE != margin.bottom, "No unconstrainedsize arithmetic, please"); availHeight -= margin.bottom; } nsSize availSize(aAvailWidth, availHeight); // create and init the child reflow state, using placement new on // stack space allocated by the caller, so that the caller can destroy // it nsHTMLReflowState &childRS = * new (aChildRSSpace) nsHTMLReflowState(aPresContext, aOuterRS, aChildFrame, availSize, -1, -1, PR_FALSE); InitChildReflowState(*aPresContext, childRS); // see if we need to reset top of page due to a caption if (mCaptionFrame) { PRUint8 captionSide = GetCaptionSide(); if (((NS_SIDE_BOTTOM == captionSide) && (mCaptionFrame == aChildFrame)) || ((NS_SIDE_TOP == captionSide) && (mInnerTableFrame == aChildFrame))) { childRS.mFlags.mIsTopOfPage = PR_FALSE; } if ((mCaptionFrame == aChildFrame) && (NS_SIDE_LEFT != captionSide) && (NS_SIDE_RIGHT != captionSide)) { aAvailWidth = aOuterRS.availableWidth; } } // use the current position as a best guess for placement nsPoint childPt = aChildFrame->GetPosition(); nsresult rv = ReflowChild(aChildFrame, aPresContext, aMetrics, childRS, childPt.x, childPt.y, NS_FRAME_NO_MOVE_FRAME, aStatus); if (NS_FAILED(rv)) return rv; aMargin = childRS.mComputedMargin; aDesiredSize.width = aMetrics.width; aDesiredSize.height = aMetrics.height; return rv; } void nsTableOuterFrame::UpdateReflowMetrics(PRUint8 aCaptionSide, nsHTMLReflowMetrics& aMet, const nsMargin& aInnerMargin, const nsMargin& aCaptionMargin) { SetDesiredSize(aCaptionSide, aInnerMargin, aCaptionMargin, aMet.width, aMet.height); aMet.mOverflowArea = nsRect(0, 0, aMet.width, aMet.height); ConsiderChildOverflow(aMet.mOverflowArea, mInnerTableFrame); if (mCaptionFrame) { ConsiderChildOverflow(aMet.mOverflowArea, mCaptionFrame); } FinishAndStoreOverflow(&aMet); } NS_METHOD nsTableOuterFrame::Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aOuterRS, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsTableOuterFrame"); DISPLAY_REFLOW(aPresContext, this, aOuterRS, aDesiredSize, aStatus); // We desperately need an inner table frame, // if this fails fix the frame constructor if (mFrames.IsEmpty() || !mInnerTableFrame) { NS_ERROR("incomplete children"); return NS_ERROR_FAILURE; } nsresult rv = NS_OK; PRUint8 captionSide = GetCaptionSide(); // Initialize out parameters aDesiredSize.width = aDesiredSize.height = 0; aStatus = NS_FRAME_COMPLETE; PRBool reflowAllKids = aOuterRS.ShouldReflowAllKids(); if (captionSide == NS_SIDE_LEFT || captionSide == NS_SIDE_RIGHT) reflowAllKids = PR_TRUE; if (!(GetStateBits() & NS_FRAME_FIRST_REFLOW)) { // Set up our kids. They're already present, on an overflow list, // or there are none so we'll create them now MoveOverflowToChildList(aPresContext); } PRBool reflowCaption = mCaptionFrame && (reflowAllKids || NS_SUBTREE_DIRTY(mCaptionFrame)); PRBool reflowInner = reflowAllKids || NS_SUBTREE_DIRTY(mInnerTableFrame); // First reflow the caption. nsHTMLReflowState takes care of making // side captions small. nsHTMLReflowMetrics captionMet; nsSize captionSize; nsMargin captionMargin; // Use longs to get more-aligned space. #define LONGS_IN_HTMLRS \ ((sizeof(nsHTMLReflowState) + sizeof(long) - 1) / sizeof(long)) long captionRSSpace[LONGS_IN_HTMLRS]; if (reflowCaption) { nsReflowStatus capStatus; // don't let the caption cause incomplete rv = OuterReflowChild(aPresContext, mCaptionFrame, aOuterRS, captionRSSpace, captionMet, aOuterRS.ComputedWidth(), captionSize, captionMargin, capStatus); if (NS_FAILED(rv)) return rv; } else if (mCaptionFrame) { captionSize = mCaptionFrame->GetSize(); GetMargin(aPresContext, aOuterRS, mCaptionFrame, aOuterRS.ComputedWidth(), captionMargin); } else { captionSize.SizeTo(0,0); captionMargin.SizeTo(0,0,0,0); } nscoord innerAvailWidth = aOuterRS.ComputedWidth(); if (captionSide == NS_SIDE_LEFT || captionSide == NS_SIDE_RIGHT) // If side is left/right then we know we have a caption and we // reflowed it. innerAvailWidth -= captionMet.width + captionMargin.LeftRight(); // Then, now that we know how much to reduce the width of the inner // table to account for side captions, reflow the inner table. nsHTMLReflowMetrics innerMet; nsSize innerSize; nsMargin innerMargin; long innerRSSpace[LONGS_IN_HTMLRS]; if (reflowInner) { rv = OuterReflowChild(aPresContext, mInnerTableFrame, aOuterRS, innerRSSpace, innerMet, innerAvailWidth, innerSize, innerMargin, aStatus); if (NS_FAILED(rv)) return rv; } else { innerSize = mInnerTableFrame->GetSize(); GetMargin(aPresContext, aOuterRS, mInnerTableFrame, aOuterRS.ComputedWidth(), innerMargin); } nsSize containSize = GetContainingBlockSize(aOuterRS); // Now that we've reflowed both we can place them. // XXXldb Most of the input variables here are now uninitialized! // XXX Need to recompute inner table's auto margins for the case of side // captions. (Caption's are broken too, but that should be fixed earlier.) if (mCaptionFrame) { nsPoint captionOrigin; GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); if (reflowCaption) { nsHTMLReflowState *captionRS = static_cast((void*)captionRSSpace); FinishReflowChild(mCaptionFrame, aPresContext, captionRS, captionMet, captionOrigin.x, captionOrigin.y, 0); captionRS->~nsHTMLReflowState(); } else { mCaptionFrame->SetPosition(captionOrigin); nsTableFrame::RePositionViews(mCaptionFrame); } } // XXX If the height is constrained then we need to check whether // everything still fits... nsPoint innerOrigin; GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); if (reflowInner) { nsHTMLReflowState *innerRS = static_cast((void*) innerRSSpace); FinishReflowChild(mInnerTableFrame, aPresContext, innerRS, innerMet, innerOrigin.x, innerOrigin.y, 0); innerRS->~nsHTMLReflowState(); } else { mInnerTableFrame->SetPosition(innerOrigin); nsTableFrame::RePositionViews(mInnerTableFrame); } UpdateReflowMetrics(captionSide, aDesiredSize, innerMargin, captionMargin); // Return our desired rect NS_FRAME_SET_TRUNCATION(aStatus, aOuterRS, aDesiredSize); return rv; } #ifdef NS_DEBUG NS_METHOD nsTableOuterFrame::VerifyTree() const { return NS_OK; } #endif /** * Remove and delete aChild's next-in-flow(s). Updates the sibling and flow * pointers. * * Updates the child count and content offsets of all containers that are * affected * * Overloaded here because nsContainerFrame makes assumptions about pseudo-frames * that are not true for tables. * * @param aChild child this child's next-in-flow * @return PR_TRUE if successful and PR_FALSE otherwise */ void nsTableOuterFrame::DeleteChildsNextInFlow(nsPresContext* aPresContext, nsIFrame* aChild) { if (!aChild) return; NS_PRECONDITION(mFrames.ContainsFrame(aChild), "bad geometric parent"); nsIFrame* nextInFlow = aChild->GetNextInFlow(); if (!nextInFlow) { NS_ASSERTION(PR_FALSE, "null next-in-flow"); return; } nsTableOuterFrame* parent = static_cast (nextInFlow->GetParent()); if (!parent) { NS_ASSERTION(PR_FALSE, "null parent"); return; } // If the next-in-flow has a next-in-flow then delete it too (and // delete it first). nsIFrame* nextNextInFlow = nextInFlow->GetNextInFlow(); if (nextNextInFlow) { parent->DeleteChildsNextInFlow(aPresContext, nextInFlow); } // Disconnect the next-in-flow from the flow list nsSplittableFrame::BreakFromPrevFlow(nextInFlow); // Take the next-in-flow out of the parent's child list if (parent->mFrames.FirstChild() == nextInFlow) { parent->mFrames.SetFrames(nextInFlow->GetNextSibling()); } else { // Because the next-in-flow is not the first child of the parent // we know that it shares a parent with aChild. Therefore, we need // to capture the next-in-flow's next sibling (in case the // next-in-flow is the last next-in-flow for aChild AND the // next-in-flow is not the last child in parent) NS_ASSERTION(aChild->GetNextSibling() == nextInFlow, "unexpected sibling"); aChild->SetNextSibling(nextInFlow->GetNextSibling()); } // Delete the next-in-flow frame and adjust its parent's child count nextInFlow->Destroy(); NS_POSTCONDITION(!aChild->GetNextInFlow(), "non null next-in-flow"); } nsIAtom* nsTableOuterFrame::GetType() const { return nsGkAtoms::tableOuterFrame; } /* ----- global methods ----- */ /*------------------ nsITableLayout methods ------------------------------*/ NS_IMETHODIMP nsTableOuterFrame::GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell, //out params PRInt32& aStartRowIndex, PRInt32& aStartColIndex, PRInt32& aRowSpan, PRInt32& aColSpan, PRInt32& aActualRowSpan, PRInt32& aActualColSpan, PRBool& aIsSelected) { if (!mInnerTableFrame) { return NS_ERROR_NOT_INITIALIZED; } nsITableLayout *inner; if (NS_SUCCEEDED(CallQueryInterface(mInnerTableFrame, &inner))) { return (inner->GetCellDataAt(aRowIndex, aColIndex, aCell, aStartRowIndex, aStartColIndex, aRowSpan, aColSpan, aActualRowSpan, aActualColSpan, aIsSelected)); } return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTableOuterFrame::GetTableSize(PRInt32& aRowCount, PRInt32& aColCount) { if (!mInnerTableFrame) { return NS_ERROR_NOT_INITIALIZED; } nsITableLayout *inner; if (NS_SUCCEEDED(CallQueryInterface(mInnerTableFrame, &inner))) { return (inner->GetTableSize(aRowCount, aColCount)); } return NS_ERROR_NULL_POINTER; } /*---------------- end of nsITableLayout implementation ------------------*/ nsIFrame* NS_NewTableOuterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) { return new (aPresShell) nsTableOuterFrame(aContext); } #ifdef DEBUG NS_IMETHODIMP nsTableOuterFrame::GetFrameName(nsAString& aResult) const { return MakeFrameName(NS_LITERAL_STRING("TableOuter"), aResult); } #endif