/* -*- 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 "nsHTMLReflowCommand.h" #include "nsStyleContext.h" #include "nsStyleConsts.h" #include "nsPresContext.h" #include "nsIRenderingContext.h" #include "nsCSSRendering.h" #include "nsIContent.h" #include "nsVoidArray.h" #include "prinrval.h" #include "nsLayoutAtoms.h" #include "nsHTMLParts.h" #include "nsIPresShell.h" #ifdef ACCESSIBILITY #include "nsIAccessibilityService.h" #endif #include "nsIServiceManager.h" #include "nsIDOMNode.h" #include "nsDisplayList.h" /* ----------- nsTableCaptionFrame ---------- */ #define NS_TABLE_FRAME_CAPTION_LIST_INDEX 0 #define NO_SIDE 100 // caption frame nsTableCaptionFrame::nsTableCaptionFrame() { // shrink wrap SetFlags(NS_BLOCK_SPACE_MGR); } nsTableCaptionFrame::~nsTableCaptionFrame() { } NS_IMETHODIMP nsTableOuterFrame::Destroy(nsPresContext* aPresContext) { mCaptionFrames.DestroyFrames(aPresContext); return nsHTMLContainerFrame::Destroy(aPresContext); } nsIAtom* nsTableCaptionFrame::GetType() const { return nsLayoutAtoms::tableCaptionFrame; } nsIFrame* NS_NewTableCaptionFrame(nsIPresShell* aPresShell) { return new (aPresShell) nsTableCaptionFrame; } /* ----------- nsTableOuterFrame ---------- */ NS_IMPL_ADDREF_INHERITED(nsTableOuterFrame, nsHTMLContainerFrame) NS_IMPL_RELEASE_INHERITED(nsTableOuterFrame, nsHTMLContainerFrame) nsTableOuterFrame::nsTableOuterFrame() { mPriorAvailWidth = 0; #ifdef DEBUG_TABLE_REFLOW_TIMING mTimer = new nsReflowTimer(this); #endif } nsTableOuterFrame::~nsTableOuterFrame() { #ifdef DEBUG_TABLE_REFLOW_TIMING nsTableFrame::DebugReflowDone(this); #endif } nsresult nsTableOuterFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr) { if (NULL == aInstancePtr) { return NS_ERROR_NULL_POINTER; } if (aIID.Equals(NS_GET_IID(nsITableLayout))) { // note there is no addref here, frames are not addref'd *aInstancePtr = (void*)(nsITableLayout*)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(NS_STATIC_CAST(nsIFrame*, this), aAccessible); } return NS_ERROR_FAILURE; } #endif /* virtual */ PRBool nsTableOuterFrame::IsContainingBlock() const { return PR_FALSE; } NS_IMETHODIMP nsTableOuterFrame::Init(nsPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParent, nsStyleContext* aContext, nsIFrame* aPrevInFlow) { nsresult rv = nsHTMLContainerFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow); if (NS_FAILED(rv) || !mStyleContext) return rv; // record that children that are ignorable whitespace should be excluded mState |= NS_FRAME_EXCLUDE_IGNORABLE_WHITESPACE; return rv; } nsIFrame* nsTableOuterFrame::GetFirstChild(nsIAtom* aListName) const { if (nsLayoutAtoms::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 nsLayoutAtoms::captionList; } return nsnull; } NS_IMETHODIMP nsTableOuterFrame::SetInitialChildList(nsPresContext* aPresContext, nsIAtom* aListName, nsIFrame* aChildList) { if (nsLayoutAtoms::captionList == aListName) { // the frame constructor already checked for table-caption display type mCaptionFrames.SetFrames(aChildList); mCaptionFrame = mCaptionFrames.FirstChild(); } else { mFrames.SetFrames(aChildList); mInnerTableFrame = nsnull; if (aChildList) { if (nsLayoutAtoms::tableFrame == aChildList->GetType()) { mInnerTableFrame = (nsTableFrame*)aChildList; } } } 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 (nsLayoutAtoms::captionList == aListName) { mCaptionFrames.AppendFrames(this, aFrameList); mCaptionFrame = mCaptionFrames.FirstChild(); // Reflow the new caption frame. It's already marked dirty, so generate a reflow // command that tells us to reflow our dirty child frames rv = GetPresContext()-> PresShell()->AppendReflowCommand(this, eReflowType_ReflowDirty, nsnull); } else { NS_PRECONDITION(PR_FALSE, "unexpected child frame type"); rv = NS_ERROR_UNEXPECTED; } return rv; } NS_IMETHODIMP nsTableOuterFrame::InsertFrames(nsIAtom* aListName, nsIFrame* aPrevFrame, nsIFrame* aFrameList) { if (nsLayoutAtoms::captionList == aListName) { mCaptionFrames.InsertFrames(nsnull, aPrevFrame, aFrameList); mCaptionFrame = mCaptionFrames.FirstChild(); 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(nsLayoutAtoms::captionList == aListName, "can't remove inner frame"); PRUint8 captionSide = GetCaptionSide(); // See if the (top/bottom) caption's minimum width impacted the inner table or there // is a left/right caption (that likely impacts the inner table) if ((mMinCaptionWidth == mRect.width) || (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(GetPresContext(), aOldFrame); mCaptionFrame = mCaptionFrames.FirstChild(); mMinCaptionWidth = 0; // Generate a reflow command so we get reflowed GetPresContext()->PresShell()->AppendReflowCommand(this, eReflowType_ReflowDirty, nsnull); 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::ZeroAutoMargin(nsHTMLReflowState& aReflowState, nsMargin& aMargin) { if (eStyleUnit_Auto == aReflowState.mStyleMargin->mMargin.GetLeftUnit()) { aMargin.left = 0; } if (eStyleUnit_Auto == aReflowState.mStyleMargin->mMargin.GetRightUnit()) { aMargin.right = 0; } } static void FixAutoMargins(nscoord aAvailWidth, nscoord aChildWidth, nsHTMLReflowState& aReflowState) { // see if there are auto margins. they may have been set to 0 in mComputedMargin PRBool hasAutoMargin = eStyleUnit_Auto == aReflowState.mStyleMargin->mMargin.GetLeftUnit() || eStyleUnit_Auto == aReflowState.mStyleMargin->mMargin.GetRightUnit(); if (hasAutoMargin) { nscoord width = aChildWidth; if (NS_UNCONSTRAINEDSIZE == width) { width = 0; } aReflowState.CalculateBlockSideMargins(aAvailWidth, width); } } 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())) { if (mInnerTableFrame->NeedToCalcBCBorders()) { mInnerTableFrame->CalcBCBorders(); } collapseBorder = mInnerTableFrame->GetBCBorder(); 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::GetMarginPadding(nsPresContext* aPresContext, const nsHTMLReflowState& aOuterRS, nsIFrame* aChildFrame, nscoord aAvailWidth, nsMargin& aMargin, nsMargin& aMarginNoAuto, nsMargin& aPadding) { // 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 nsHTMLReflowState childRS(aPresContext, aOuterRS, aChildFrame, nsSize(aAvailWidth, aOuterRS.availableHeight), eReflowReason_Resize, PR_FALSE); InitChildReflowState(*aPresContext, childRS); FixAutoMargins(aAvailWidth, aChildFrame->GetSize().width, childRS); aMargin = childRS.mComputedMargin; aMarginNoAuto = aMargin; nsTableOuterFrame::ZeroAutoMargin(childRS, aMarginNoAuto); aPadding = childRS.mComputedPadding; } static nscoord CalcAutoMargin(nscoord aAutoMargin, nscoord aOppositeMargin, nscoord aContainBlockSize, nscoord aFrameSize, float aPixelToTwips) { nscoord margin; if (NS_AUTOMARGIN == aOppositeMargin) margin = nsTableFrame::RoundToPixel((aContainBlockSize - aFrameSize) / 2, aPixelToTwips); else { margin = aContainBlockSize - aFrameSize - aOppositeMargin; } return PR_MAX(0, margin); } static void MoveFrameTo(nsIFrame* aFrame, nscoord aX, nscoord aY) { nsPoint pt = aFrame->GetPosition(); if ((pt.x != aX) || (pt.y != aY)) { aFrame->SetPosition(nsPoint(aX, aY)); nsTableFrame::RePositionViews(aFrame); } } static nsSize GetContainingBlockSize(const nsHTMLReflowState& aOuterRS) { nsSize size(0,0); const nsHTMLReflowState* containRS = aOuterRS.mCBReflowState; if (containRS) { size.width = containRS->mComputedWidth; if (NS_UNCONSTRAINEDSIZE == size.width) { size.width = 0; } size.height = containRS->mComputedHeight; 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); } nscoord nsTableOuterFrame::GetCaptionAvailWidth(nsPresContext* aPresContext, nsIFrame* aCaptionFrame, const nsHTMLReflowState& aOuterRS, nsMargin& aCaptionMargin, nsMargin& aCaptionPad, nscoord* aInnerWidth, const nsMargin* aInnerMarginNoAuto, const nsMargin* aInnerMargin) { nscoord availWidth; if (aInnerWidth) { nscoord innerWidth = *aInnerWidth; if (NS_UNCONSTRAINEDSIZE == innerWidth) { availWidth = innerWidth; } else { nsMargin innerMarginNoAuto(0,0,0,0); if (aInnerMarginNoAuto) { innerMarginNoAuto = *aInnerMarginNoAuto; } nsMargin innerMargin(0,0,0,0); if (aInnerMargin) { innerMargin = *aInnerMargin; } PRUint8 captionSide = GetCaptionSide(); switch (captionSide) { case NS_SIDE_LEFT: case NS_SIDE_RIGHT: availWidth = (NS_SIDE_LEFT == captionSide) ? innerMargin.left : innerMargin.right; break; default: // NS_SIDE_TOP, NS_SIDE_BOTTOM availWidth = innerWidth + innerMarginNoAuto.left + innerMarginNoAuto.right; break; } } } else { availWidth = GetSize().width; } if (NS_UNCONSTRAINEDSIZE == availWidth) { return availWidth; } else { nsMargin marginIgnore; GetMarginPadding(aPresContext, aOuterRS, aCaptionFrame, availWidth, marginIgnore, aCaptionMargin, aCaptionPad); availWidth -= aCaptionMargin.left + aCaptionMargin.right; return (PR_MAX(availWidth, mMinCaptionWidth)); } } nscoord nsTableOuterFrame::GetInnerTableAvailWidth(nsPresContext* aPresContext, nsIFrame* aInnerTable, const nsHTMLReflowState& aOuterRS, nscoord* aCaptionWidth, nsMargin& aInnerMargin, nsMargin& aInnerPadding) { nscoord availWidth; nscoord captionWidth = 0; if (aCaptionWidth) { captionWidth = *aCaptionWidth; if (NS_UNCONSTRAINEDSIZE == captionWidth) { availWidth = captionWidth; } else { availWidth = aOuterRS.availableWidth; } } else { availWidth = GetSize().width; } if (NS_UNCONSTRAINEDSIZE == availWidth) { return availWidth; } else { nsMargin marginIgnore; GetMarginPadding(aPresContext, aOuterRS, aInnerTable, availWidth, marginIgnore, aInnerMargin, aInnerPadding); availWidth -= aInnerMargin.left + aInnerMargin.right; PRUint8 captionSide = GetCaptionSide(); switch (captionSide) { case NS_SIDE_LEFT: if (captionWidth > marginIgnore.left) { availWidth -= captionWidth - aInnerMargin.left; } break; case NS_SIDE_RIGHT: if (captionWidth > marginIgnore.right) { availWidth -= captionWidth - aInnerMargin.right; } break; default: availWidth = PR_MAX(availWidth, mMinCaptionWidth); break; } return(availWidth); } } nscoord nsTableOuterFrame::GetMaxElementWidth(PRUint8 aCaptionSide, const nsMargin& aInnerMargin, const nsMargin& aInnerPadding, const nsMargin& aCaptionMargin) { nscoord width = aInnerMargin.left + ((nsTableFrame *)mInnerTableFrame)->GetMinWidth() + aInnerMargin.right; if (mCaptionFrame) { nscoord capWidth = mMinCaptionWidth + aCaptionMargin.left + aCaptionMargin.right; switch(aCaptionSide) { case NS_SIDE_LEFT: if (capWidth > aInnerMargin.left) { width += capWidth - aInnerMargin.left; } break; case NS_SIDE_RIGHT: if (capWidth > aInnerMargin.right) { width += capWidth - aInnerMargin.right; } break; default: if (capWidth > width) { width = capWidth; } } } return width; } nscoord nsTableOuterFrame::GetMaxWidth(PRUint8 aCaptionSide, const nsMargin& aInnerMargin, const nsMargin& aCaptionMargin) { nscoord maxWidth; maxWidth = ((nsTableFrame *)mInnerTableFrame)->GetPreferredWidth() + aInnerMargin.left + aInnerMargin.right; if (mCaptionFrame) { switch(aCaptionSide) { case NS_SIDE_LEFT: case NS_SIDE_RIGHT: maxWidth += mCaptionFrame->GetSize().width + aCaptionMargin.left + aCaptionMargin.right; // the caption plus it margins should cover the corresponding inner table side // margin - don't count it twice. maxWidth -= (NS_SIDE_LEFT == aCaptionSide) ? aInnerMargin.left : aInnerMargin.right; break; case NS_SIDE_TOP: case NS_SIDE_BOTTOM: default: // no caption maxWidth = PR_MAX(maxWidth, mMinCaptionWidth + aCaptionMargin.left + aCaptionMargin.right); } } return maxWidth; } 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 aAvailableWidth, 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; if ((NS_UNCONSTRAINEDSIZE == aAvailableWidth) && ((NS_SIDE_LEFT == aCaptionSide) || (NS_SIDE_RIGHT == aCaptionSide))) { BalanceLeftRightCaption(aCaptionSide, aInnerMargin, aCaptionMargin, innerWidth, captionWidth); } } 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); } void nsTableOuterFrame::PctAdjustMinCaptionWidth(nsPresContext* aPresContext, const nsHTMLReflowState& aOuterRS, PRUint8 aCaptionSide, nscoord& capMin) { if (NS_SIDE_LEFT == aCaptionSide || NS_SIDE_RIGHT == aCaptionSide) { if (mCaptionFrame) { nsMargin capMarginIgnore; nsMargin capMarginNoAuto; nsMargin captionPaddingIgnore; GetMarginPadding(aPresContext, aOuterRS, mCaptionFrame, aOuterRS.availableWidth, capMarginIgnore, capMarginNoAuto, captionPaddingIgnore); PRBool isPctWidth; IsAutoWidth(*mCaptionFrame,&isPctWidth); if (isPctWidth) { capMin = mCaptionFrame->GetSize().width; } capMin += capMarginNoAuto.left + capMarginNoAuto.right; } } } 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); } aCaptionWidth = nsTableFrame::RoundToPixel(aCaptionWidth, GetPresContext()->ScaledPixelsToTwips(), eAlwaysRoundDown); } 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; GET_PIXELS_TO_TWIPS(GetPresContext(), p2t); switch(aCaptionSide) { case NS_SIDE_BOTTOM: { if (NS_AUTOMARGIN == aCaptionMargin.left) { aCaptionMargin.left = CalcAutoMargin(aCaptionMargin.left, aCaptionMargin.right, aContainBlockSize.width, aCaptionSize.width, p2t); } 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, p2t); } 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, p2t); } 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, p2t); } 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, p2t); } 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, p2t); } 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; } GET_PIXELS_TO_TWIPS(GetPresContext(), p2t); 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, p2t); } 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, p2t); } 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, p2t); } 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, p2t); 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, p2t); } 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, p2t); } 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 (nsLayoutAtoms::tableFrame == rs->frame->GetType()) { return PR_TRUE; } rs = rs->parentReflowState; } return PR_FALSE; } PRBool nsTableOuterFrame::IsAutoWidth(nsIFrame& aTableOrCaption, PRBool* aIsPctWidth) { PRBool isAuto = PR_TRUE; // the default if (aIsPctWidth) { *aIsPctWidth = PR_FALSE; } const nsStylePosition* position = aTableOrCaption.GetStylePosition(); #ifdef __SUNPRO_CC // Bug 239962, this is a workaround to avoid incorrect code generation by Sun Forte compiler. float percent = position->mWidth.GetPercentValue(); #endif switch (position->mWidth.GetUnit()) { case eStyleUnit_Auto: // specified auto width case eStyleUnit_Proportional: // illegal for table, so ignored break; case eStyleUnit_Coord: isAuto = PR_FALSE; break; case eStyleUnit_Percent: #ifdef __SUNPRO_CC if (percent > 0.0f) { #else if (position->mWidth.GetPercentValue() > 0.0f) { #endif isAuto = PR_FALSE; if (aIsPctWidth) { *aIsPctWidth = PR_TRUE; } } break; default: break; } return isAuto; } // eReflowReason_Resize was being used for incremental cases nsresult nsTableOuterFrame::OuterReflowChild(nsPresContext* aPresContext, nsIFrame* aChildFrame, const nsHTMLReflowState& aOuterRS, nsHTMLReflowMetrics& aMetrics, nscoord aAvailWidth, nsSize& aDesiredSize, nsMargin& aMargin, nsMargin& aMarginNoAuto, nsMargin& aPadding, nsReflowReason aReflowReason, nsReflowStatus& aStatus, PRBool* aNeedToReflowCaption) { aMargin = aPadding = 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, marginNoAuto, padding; GetMarginPadding(aPresContext, aOuterRS, aChildFrame, aOuterRS.availableWidth, margin, marginNoAuto, padding); 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; availHeight = nsTableFrame::RoundToPixel(availHeight, aPresContext->ScaledPixelsToTwips(), eAlwaysRoundDown); } nsSize availSize(aAvailWidth, availHeight); if (mCaptionFrame == aChildFrame) { PRUint8 captionSide = GetCaptionSide(); if ((NS_SIDE_LEFT == captionSide) || (NS_SIDE_RIGHT != captionSide)) { PRBool isPctWidth; IsAutoWidth(*aChildFrame, &isPctWidth); if (isPctWidth) { availSize.width = aOuterRS.availableWidth; } } } // create and init the child reflow state nsHTMLReflowState childRS(aPresContext, aOuterRS, aChildFrame, availSize, aReflowReason); InitChildReflowState(*aPresContext, childRS); childRS.mPercentHeightObserver = nsnull; // the observer is for non table related frames inside cells // If mComputedWidth > availWidth and availWidth >= minWidth for a nested percent table // then adjust mComputedWidth based on availableWidth if this isn't the initial reflow if ((NS_UNCONSTRAINEDSIZE != childRS.mComputedWidth) && (eReflowReason_Initial != aReflowReason) && (childRS.mComputedWidth + childRS.mComputedBorderPadding.left + childRS.mComputedBorderPadding.right > childRS.availableWidth) && IsNested(aOuterRS)) { PRBool isPctWidth; IsAutoWidth(*aChildFrame, &isPctWidth); if (isPctWidth) { if ( ((aChildFrame == mInnerTableFrame) && ((nsTableFrame*)aChildFrame)->GetMinWidth() <= childRS.availableWidth) || (aChildFrame != mInnerTableFrame)) { childRS.mComputedWidth = childRS.availableWidth - childRS.mComputedBorderPadding.left - childRS.mComputedBorderPadding.right; } } } // 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; } } // see if we need to reflow the caption in addition if (aNeedToReflowCaption && !*aNeedToReflowCaption && mInnerTableFrame == aChildFrame && childRS.reason == eReflowReason_Incremental) { nsHTMLReflowCommand* command = childRS.path->mReflowCommand; if (command) { *aNeedToReflowCaption = eReflowType_StyleChanged == command->Type(); } } // 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; FixAutoMargins(aAvailWidth, aMetrics.width, childRS); aMargin = childRS.mComputedMargin; aMarginNoAuto = childRS.mComputedMargin; ZeroAutoMargin(childRS, aMarginNoAuto); aDesiredSize.width = aMetrics.width; aDesiredSize.height = aMetrics.height; return rv; } void nsTableOuterFrame::UpdateReflowMetrics(PRUint8 aCaptionSide, nsHTMLReflowMetrics& aMet, const nsMargin& aInnerMargin, const nsMargin& aInnerMarginNoAuto, const nsMargin& aInnerPadding, const nsMargin& aCaptionMargin, const nsMargin& aCaptionMarginNoAuto, const nscoord aAvailableWidth) { SetDesiredSize(aCaptionSide, aInnerMargin, aCaptionMargin, aAvailableWidth, aMet.width, aMet.height); // set maxElementSize width if requested if (aMet.mComputeMEW) { aMet.mMaxElementWidth = GetMaxElementWidth(aCaptionSide, aInnerMarginNoAuto, aInnerPadding, aCaptionMarginNoAuto); } // set maximum width if requested if (aMet.mFlags & NS_REFLOW_CALC_MAX_WIDTH) { aMet.mMaximumWidth = GetMaxWidth(aCaptionSide, aInnerMarginNoAuto, aCaptionMarginNoAuto); } aMet.mOverflowArea = nsRect(0, 0, aMet.width, aMet.height); ConsiderChildOverflow(aMet.mOverflowArea, mInnerTableFrame); if (mCaptionFrame) { ConsiderChildOverflow(aMet.mOverflowArea, mCaptionFrame); } FinishAndStoreOverflow(&aMet); } nsresult nsTableOuterFrame::IncrementalReflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { // At this point, we need an inner table frame, and we might have a caption. // Due to the logic in nsCSSFrameConstructor::ConstructTableFrame, we can // end here without an inner table frame. if (mFrames.IsEmpty() || !mInnerTableFrame) { NS_ASSERTION(PR_FALSE, "incomplete children"); return NS_ERROR_FAILURE; } // the outer table is a target if its path has a reflow command nsHTMLReflowCommand* command = aReflowState.path->mReflowCommand; if (command) IR_TargetIsMe(aPresContext, aDesiredSize, aReflowState, aStatus); // see if the chidren are targets as well nsReflowPath::iterator iter = aReflowState.path->FirstChild(); nsReflowPath::iterator end = aReflowState.path->EndChildren(); for (; iter != end; ++iter) IR_TargetIsChild(aPresContext, aDesiredSize, aReflowState, aStatus, *iter); return NS_OK; } nsresult nsTableOuterFrame::IR_TargetIsChild(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus, nsIFrame* aNextFrame) { nsresult rv; if (!aNextFrame) { // this will force Reflow to return the height of the last reflow rather than 0 aDesiredSize.height = mRect.height; return NS_OK; } if (aNextFrame == mInnerTableFrame) { rv = IR_TargetIsInnerTableFrame(aPresContext, aDesiredSize, aReflowState, aStatus); } else if (aNextFrame == mCaptionFrame) { rv = IR_TargetIsCaptionFrame(aPresContext, aDesiredSize, aReflowState, aStatus); } else { const nsStyleDisplay* nextDisplay = aNextFrame->GetStyleDisplay(); if (NS_STYLE_DISPLAY_TABLE_HEADER_GROUP==nextDisplay->mDisplay || NS_STYLE_DISPLAY_TABLE_FOOTER_GROUP==nextDisplay->mDisplay || NS_STYLE_DISPLAY_TABLE_ROW_GROUP ==nextDisplay->mDisplay || NS_STYLE_DISPLAY_TABLE_COLUMN_GROUP==nextDisplay->mDisplay) { rv = IR_TargetIsInnerTableFrame(aPresContext, aDesiredSize, aReflowState, aStatus); } else { NS_ASSERTION(PR_FALSE, "illegal next frame in incremental reflow."); rv = NS_ERROR_ILLEGAL_VALUE; } } return rv; } nsresult nsTableOuterFrame::IR_TargetIsInnerTableFrame(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { nsresult rv = IR_InnerTableReflow(aPresContext, aDesiredSize, aReflowState, aStatus); return rv; } nsresult nsTableOuterFrame::IR_TargetIsCaptionFrame(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aOuterRS, nsReflowStatus& aStatus) { nsresult rv = NS_OK; aStatus = NS_FRAME_COMPLETE; PRUint8 captionSide = GetCaptionSide(); nsSize captionSize; nsMargin captionMargin, captionMarginNoAuto, captionPadding; // reflow the caption frame, getting it's MES nsRect prevInnerRect = mInnerTableFrame->GetRect(); nsMargin prevInnerMargin(prevInnerRect.x, 0, mRect.width - prevInnerRect.x - prevInnerRect.width, 0); nscoord availCaptionWidth = GetCaptionAvailWidth(aPresContext, mCaptionFrame, aOuterRS, captionMargin, captionPadding, &prevInnerRect.width, nsnull, &prevInnerMargin); nsHTMLReflowMetrics captionMet(PR_TRUE); nsReflowStatus capStatus; // don't let the caption cause incomplete // for now just reflow the table if a style changed. This should be improved PRBool needInnerReflow = PR_FALSE; nsReflowReason reflowReason = eReflowReason_Incremental; nsHTMLReflowCommand* command = aOuterRS.path->mReflowCommand; if (command) { switch(command->Type()) { case eReflowType_StyleChanged: needInnerReflow = PR_TRUE; break; default: break; } } OuterReflowChild(aPresContext, mCaptionFrame, aOuterRS, captionMet, availCaptionWidth, captionSize, captionMargin, captionMarginNoAuto, captionPadding, reflowReason, capStatus); nsMargin innerMargin, innerMarginNoAuto, innerPadding; nsPoint innerOrigin; nsSize containSize = GetContainingBlockSize(aOuterRS); nscoord capMin = mMinCaptionWidth + captionMarginNoAuto.left + captionMarginNoAuto.right; if (mMinCaptionWidth != captionMet.mMaxElementWidth) { // set the new caption min width, and set state to reflow the inner table if necessary mMinCaptionWidth = captionMet.mMaxElementWidth; // see if the captions min width could cause the table to be wider // XXX this really only affects an auto width table if ((capMin) > mRect.width) { needInnerReflow = PR_TRUE; } } if (NS_SIDE_LEFT == captionSide || NS_SIDE_RIGHT == captionSide) { if (mCaptionFrame) { PRBool isPctWidth; IsAutoWidth( *mCaptionFrame,&isPctWidth); if (isPctWidth) { capMin = captionSize.width + captionMarginNoAuto.left + captionMarginNoAuto.right; } } } nsPoint captionOrigin; if (needInnerReflow) { nsSize innerSize; nsHTMLReflowMetrics innerMet(PR_FALSE); nscoord availTableWidth = GetInnerTableAvailWidth(aPresContext, mInnerTableFrame, aOuterRS, &capMin, innerMargin, innerPadding); OuterReflowChild(aPresContext, mInnerTableFrame, aOuterRS, innerMet, availTableWidth, innerSize, innerMargin, innerMarginNoAuto, innerPadding, eReflowReason_Resize, aStatus); GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); rv = FinishReflowChild(mInnerTableFrame, aPresContext, nsnull, innerMet, innerOrigin.x, innerOrigin.y, 0); if (NS_FAILED(rv)) return rv; GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); } else { // reposition the inner frame if necessary and set the caption's origin nsSize innerSize = mInnerTableFrame->GetSize(); GetMarginPadding(aPresContext, aOuterRS, mInnerTableFrame, aOuterRS.availableWidth, innerMargin, innerMarginNoAuto, innerPadding); GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); MoveFrameTo(mInnerTableFrame, innerOrigin.x, innerOrigin.y); } rv = FinishReflowChild(mCaptionFrame, aPresContext, nsnull, captionMet, captionOrigin.x, captionOrigin.y, 0); nsRect* oldOverflowArea = GetOverflowAreaProperty(); nsRect* overflowStorage = nsnull; nsRect overflow; if (oldOverflowArea) { overflow = *oldOverflowArea; overflowStorage = &overflow; } UpdateReflowMetrics(captionSide, aDesiredSize, innerMargin, innerMarginNoAuto, innerPadding, captionMargin, captionMarginNoAuto, aOuterRS.availableWidth); nsSize desSize(aDesiredSize.width, aDesiredSize.height); PRBool innerMoved = (innerOrigin.x != prevInnerRect.x) || (innerOrigin.y != prevInnerRect.y); InvalidateDamage(captionSide, desSize, innerMoved, PR_TRUE, overflowStorage); return rv; } nsresult nsTableOuterFrame::IR_ReflowDirty(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { nsresult rv = NS_OK; PRBool sizeSet = PR_FALSE; // See if the caption frame is dirty. This would be because of a newly // inserted caption if (mCaptionFrame) { if (mCaptionFrame->GetStateBits() & NS_FRAME_IS_DIRTY) { rv = IR_CaptionInserted(aPresContext, aDesiredSize, aReflowState, aStatus); sizeSet = PR_TRUE; } } // See if the inner table frame is dirty if (mInnerTableFrame->GetStateBits() & NS_FRAME_IS_DIRTY) { rv = IR_InnerTableReflow(aPresContext, aDesiredSize, aReflowState, aStatus); sizeSet = PR_TRUE; } else if (!mCaptionFrame) { // The inner table isn't dirty so we don't need to reflow it, but make // sure it's placed correctly. It could be that we're dirty because the // caption was removed nsRect innerRect = mInnerTableFrame->GetRect(); nsSize innerSize(innerRect.width, innerRect.height); nsPoint innerOrigin; nsMargin innerMargin, innerMarginNoAuto, innerPadding; GetMarginPadding(aPresContext, aReflowState, mInnerTableFrame, aReflowState.availableWidth, innerMargin, innerMarginNoAuto, innerPadding); nsSize containSize = GetContainingBlockSize(aReflowState); GetInnerOrigin(NO_SIDE, containSize, nsSize(0,0), nsMargin(0,0,0,0), innerSize, innerMargin, innerOrigin); MoveFrameTo(mInnerTableFrame, innerOrigin.x, innerOrigin.y); aDesiredSize.width = innerRect.XMost() + innerMargin.right; aDesiredSize.height = innerRect.YMost() + innerMargin.bottom; sizeSet = PR_TRUE; // Repaint the inner's entire bounds if it moved nsRect* oldOverflowArea = GetOverflowAreaProperty(); PRBool innerMoved = (innerRect.x != innerOrigin.x) || (innerRect.y != innerOrigin.y); nsSize desSize(aDesiredSize.width, aDesiredSize.height); InvalidateDamage((PRUint8) NO_SIDE, desSize, innerMoved, PR_FALSE, oldOverflowArea); } if (!sizeSet) { // set our desired size to what it was before nsSize size = GetSize(); aDesiredSize.width = size.width; aDesiredSize.height = size.height; } return rv; } // IR_TargetIsMe is free to foward the request to the inner table frame nsresult nsTableOuterFrame::IR_TargetIsMe(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { nsresult rv = NS_OK; switch (aReflowState.path->mReflowCommand->Type()) { case eReflowType_ReflowDirty: rv = IR_ReflowDirty(aPresContext, aDesiredSize, aReflowState, aStatus); break; case eReflowType_StyleChanged : rv = IR_InnerTableReflow(aPresContext, aDesiredSize, aReflowState, aStatus); break; case eReflowType_ContentChanged : NS_ASSERTION(PR_FALSE, "illegal reflow type: ContentChanged"); rv = NS_ERROR_ILLEGAL_VALUE; break; default: NS_NOTYETIMPLEMENTED("unexpected reflow command type"); rv = NS_ERROR_NOT_IMPLEMENTED; break; } return rv; } nsresult nsTableOuterFrame::IR_InnerTableReflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aOuterMet, const nsHTMLReflowState& aOuterRS, nsReflowStatus& aStatus) { aStatus = NS_FRAME_COMPLETE; PRUint8 captionSide = GetCaptionSide(); nsSize priorInnerSize = mInnerTableFrame->GetSize(); nsSize innerSize; nsMargin innerMargin, innerMarginNoAuto, innerPadding; // pass along the reflow command to the inner table, requesting the same info in our flags nsHTMLReflowMetrics innerMet(aOuterMet.mComputeMEW, aOuterMet.mFlags); // If the incremental reflow command is a StyleChanged reflow and // it's target is the current frame, then make sure we send // StyleChange reflow reasons down to the children so that they // don't over-optimize their reflow. Also make sure we reflow the caption. PRBool reflowCaption = PR_FALSE; nsReflowReason reflowReason = eReflowReason_Incremental; nsHTMLReflowCommand* command = aOuterRS.path->mReflowCommand; if (command) { if (eReflowType_StyleChanged == command->Type()) { reflowReason = eReflowReason_StyleChange; reflowCaption = PR_TRUE; } } nscoord capMin = mMinCaptionWidth; PctAdjustMinCaptionWidth(aPresContext, aOuterRS, captionSide, capMin); nscoord availTableWidth = GetInnerTableAvailWidth(aPresContext, mInnerTableFrame, aOuterRS, &capMin, innerMargin, innerPadding); nsresult rv = OuterReflowChild(aPresContext, mInnerTableFrame, aOuterRS, innerMet, availTableWidth, innerSize, innerMargin, innerMarginNoAuto, innerPadding, reflowReason, aStatus, &reflowCaption); if (NS_FAILED(rv)) return rv; if (eReflowReason_StyleChange != reflowReason && reflowCaption) { // inner table frame was target for a style change reflow issue a style // change reflow for the caption too. reflowReason = eReflowReason_StyleChange; } nsPoint innerOrigin(0,0); nsMargin captionMargin(0,0,0,0); nsMargin captionMarginNoAuto(0,0,0,0); nsSize captionSize(0,0); nsSize containSize = GetContainingBlockSize(aOuterRS); PRBool captionMoved = PR_FALSE; // if there is a caption and the width or height of the inner table changed // from a reflow, then reflow or move the caption as needed if (mCaptionFrame) { nsPoint captionOrigin; nsRect prevCaptionRect = mCaptionFrame->GetRect(); reflowCaption = reflowCaption || priorInnerSize.width != innerMet.width; if (reflowCaption) { nsMargin ignorePadding; nsHTMLReflowMetrics captionMet(eReflowReason_StyleChange == reflowReason); nscoord availCaptionWidth = GetCaptionAvailWidth(aPresContext, mCaptionFrame, aOuterRS, captionMargin, ignorePadding, &innerSize.width, &innerMarginNoAuto); nsReflowStatus capStatus; // don't let the caption cause incomplete if (reflowReason == eReflowReason_Incremental) { reflowReason = eReflowReason_Resize; } rv = OuterReflowChild(aPresContext, mCaptionFrame, aOuterRS, captionMet, availCaptionWidth, captionSize, captionMargin, captionMarginNoAuto, ignorePadding, reflowReason, capStatus); if (NS_FAILED(rv)) return rv; GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); FinishReflowChild(mCaptionFrame, aPresContext, nsnull, captionMet, captionOrigin.x, captionOrigin.y, 0); GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); } else { // reposition the caption frame if necessary and set the inner's origin captionSize = mCaptionFrame->GetSize(); nsMargin captionPadding; GetMarginPadding(aPresContext, aOuterRS, mCaptionFrame, aOuterRS.availableWidth, captionMargin, captionMarginNoAuto, captionPadding); GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); MoveFrameTo(mCaptionFrame, captionOrigin.x, captionOrigin.y); } if ((captionOrigin.x != prevCaptionRect.x) || (captionOrigin.y != prevCaptionRect.y)) { captionMoved = PR_TRUE; } if ((captionSize.width != prevCaptionRect.width) || (captionSize.height != prevCaptionRect.height)) { captionMoved = PR_TRUE; } } else { GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); } FinishReflowChild(mInnerTableFrame, aPresContext, nsnull, innerMet, innerOrigin.x, innerOrigin.y, 0); if (aOuterMet.mComputeMEW) { aOuterMet.mMaxElementWidth = innerMet.mMaxElementWidth; } nsRect* oldOverflowArea = GetOverflowAreaProperty(); nsRect* overflowStorage = nsnull; nsRect overflow; if (oldOverflowArea) { overflow = *oldOverflowArea; overflowStorage = &overflow; } UpdateReflowMetrics(captionSide, aOuterMet, innerMargin, innerMarginNoAuto, innerPadding, captionMargin, captionMarginNoAuto, aOuterRS.availableWidth); nsSize desSize(aOuterMet.width, aOuterMet.height); InvalidateDamage(captionSide, desSize, (innerSize.width != priorInnerSize.width), captionMoved, overflowStorage); return rv; } /* the only difference between an insert and a replace is a replace checks the old maxElementWidth and reflows the table only if it has changed */ nsresult nsTableOuterFrame::IR_CaptionInserted(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aOuterRS, nsReflowStatus& aStatus) { PRUint8 captionSide = GetCaptionSide(); aStatus = NS_FRAME_COMPLETE; // reflow the caption frame, getting it's MES nsSize captionSize; nsMargin captionMargin, captionMarginNoAuto, captionPadding; nsHTMLReflowMetrics captionMet(PR_TRUE); // reflow the caption nscoord availCaptionWidth = GetCaptionAvailWidth(aPresContext, mCaptionFrame, aOuterRS, captionMargin, captionPadding); nsReflowStatus capStatus; // don't let the caption cause incomplete nsresult rv = OuterReflowChild(aPresContext, mCaptionFrame, aOuterRS, captionMet, availCaptionWidth, captionSize, captionMargin, captionMarginNoAuto, captionPadding, eReflowReason_Initial, capStatus); if (NS_FAILED(rv)) return rv; mMinCaptionWidth = captionMet.mMaxElementWidth; nsPoint captionOrigin(0,0); nsMargin innerMargin, innerMarginNoAuto, innerPadding; nsPoint innerOrigin; nsSize containSize = GetContainingBlockSize(aOuterRS); nsPoint prevInnerOrigin = mInnerTableFrame->GetPosition(); nscoord capMin = mMinCaptionWidth + captionMarginNoAuto.left + captionMarginNoAuto.right; // if the caption's MES + margins > outer width, reflow the inner table if (capMin > mRect.width) { nsHTMLReflowMetrics innerMet(aDesiredSize.mComputeMEW); nsSize innerSize; nscoord availTableWidth = GetInnerTableAvailWidth(aPresContext, mInnerTableFrame, aOuterRS, &capMin, innerMargin, innerPadding); rv = OuterReflowChild(aPresContext, mInnerTableFrame, aOuterRS, innerMet, availTableWidth, innerSize, innerMargin, innerMarginNoAuto, innerPadding, eReflowReason_Resize, aStatus); if (NS_FAILED(rv)) return rv; GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); rv = FinishReflowChild(mInnerTableFrame, aPresContext, nsnull, innerMet, innerOrigin.x, innerOrigin.y, 0); if (aDesiredSize.mComputeMEW) { aDesiredSize.mMaxElementWidth = innerMet.mMaxElementWidth; } if (NS_FAILED(rv)) return rv; GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); } else { // reposition the inner frame if necessary and set the caption's origin nsSize innerSize = mInnerTableFrame->GetSize(); GetMarginPadding(aPresContext, aOuterRS, mInnerTableFrame, aOuterRS.availableWidth, innerMargin, innerMarginNoAuto, innerPadding); GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); MoveFrameTo(mInnerTableFrame, innerOrigin.x, innerOrigin.y); } rv = FinishReflowChild(mCaptionFrame, aPresContext, nsnull, captionMet, captionOrigin.x, captionOrigin.y, 0); nsRect* oldOverflowArea = GetOverflowAreaProperty(); nsRect* overflowStorage = nsnull; nsRect overflow; if (oldOverflowArea) { overflow = *oldOverflowArea; overflowStorage = &overflow; } UpdateReflowMetrics(captionSide, aDesiredSize, innerMargin, innerMarginNoAuto, innerPadding, captionMargin, captionMarginNoAuto, aOuterRS.availableWidth); nsSize desSize(aDesiredSize.width, aDesiredSize.height); PRBool innerMoved = innerOrigin != prevInnerOrigin; InvalidateDamage(captionSide, desSize, innerMoved, PR_TRUE, overflowStorage); return rv; } PRBool nsTableOuterFrame::IR_CaptionChangedAxis(const nsStyleTable* aOldStyle, const nsStyleTable* aNewStyle) const { PRBool result = PR_FALSE; //XXX: write me to support left|right captions! return result; } static PRBool IsPctHeight(nsIFrame* aFrame) { if (aFrame) { const nsStylePosition* position = aFrame->GetStylePosition(); if (eStyleUnit_Percent == position->mHeight.GetUnit()) { float percent = position->mHeight.GetPercentValue(); if (percent > 0.0f) { return PR_TRUE; } } } return PR_FALSE; } /** * Reflow is a multi-step process. * 1. First we reflow the caption frame and get its maximum element size. We * do this once during our initial reflow and whenever the caption changes * incrementally * 2. Next we reflow the inner table. This gives us the actual table width. * The table must be at least as wide as the caption maximum element size * 3. Now that we have the table width we reflow the caption and gets its * desired height * 4. Then we place the caption and the inner table * * If the table height is constrained, e.g. page mode, then it's possible the * inner table no longer fits and has to be reflowed again this time with s * smaller available height */ NS_METHOD nsTableOuterFrame::Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aOuterRS, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsTableOuterFrame", aOuterRS.reason); DISPLAY_REFLOW(aPresContext, this, aOuterRS, aDesiredSize, aStatus); #if defined DEBUG_TABLE_REFLOW_TIMING nsTableFrame::DebugReflow(this, (nsHTMLReflowState&)aOuterRS); #endif nsresult rv = NS_OK; PRUint8 captionSide = GetCaptionSide(); // Initialize out parameters aDesiredSize.width = aDesiredSize.height = 0; if (aDesiredSize.mComputeMEW) { aDesiredSize.mMaxElementWidth = 0; } aStatus = NS_FRAME_COMPLETE; PRBool needUpdateMetrics = PR_TRUE; PRBool isPctWidth; IsAutoWidth(*mInnerTableFrame, &isPctWidth); if ((eReflowReason_Resize == aOuterRS.reason) && (aOuterRS.availableWidth == mPriorAvailWidth) && !aPresContext->IsPaginated() && !::IsPctHeight(mInnerTableFrame) && !isPctWidth) { // don't do much if we are resize reflowed exactly like last time aDesiredSize.width = mRect.width; aDesiredSize.height = mRect.height; // for floats, our view has not been positioned yet as we have not been placed // - the block code will position our views after the float is placed if (aOuterRS.mStyleDisplay && !aOuterRS.mStyleDisplay->IsFloating()) { // We know our view (if we have one) has been positioned // correctly, but it's up to us to make sure that our child views // are correctly positioned, too. nsContainerFrame::PositionChildViews(this); } } else if (eReflowReason_Incremental == aOuterRS.reason) { rv = IncrementalReflow(aPresContext, aDesiredSize, aOuterRS, aStatus); } else { if (eReflowReason_Initial == aOuterRS.reason) { // Set up our kids. They're already present, on an overflow list, // or there are none so we'll create them now MoveOverflowToChildList(aPresContext); // Lay out the caption and get its maximum element size if (nsnull != mCaptionFrame) { nsHTMLReflowMetrics captionMet(PR_TRUE); nsHTMLReflowState captionReflowState(aPresContext, aOuterRS, mCaptionFrame, nsSize(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE), eReflowReason_Initial); mCaptionFrame->WillReflow(aPresContext); rv = mCaptionFrame->Reflow(aPresContext, captionMet, captionReflowState, aStatus); mCaptionFrame->DidReflow(aPresContext, nsnull, NS_FRAME_REFLOW_FINISHED); mMinCaptionWidth = captionMet.mMaxElementWidth; } } // At this point, we need an inner table frame, and we might have a // caption. Due to the logic in // nsCSSFrameConstructor::ConstructTableFrame, we can end here // without an inner table frame. if (mFrames.IsEmpty() || !mInnerTableFrame) { NS_ASSERTION(PR_FALSE, "incomplete children"); return NS_ERROR_FAILURE; } nsSize innerSize; nsMargin innerMargin, innerMarginNoAuto, innerPadding; // First reflow the inner table nsHTMLReflowMetrics innerMet(aDesiredSize.mComputeMEW); nscoord capMin = mMinCaptionWidth; PctAdjustMinCaptionWidth(aPresContext, aOuterRS, captionSide, capMin); nscoord availTableWidth = GetInnerTableAvailWidth(aPresContext, mInnerTableFrame, aOuterRS, &capMin, innerMargin, innerPadding); rv = OuterReflowChild(aPresContext, mInnerTableFrame, aOuterRS, innerMet, availTableWidth, innerSize, innerMargin, innerMarginNoAuto, innerPadding, aOuterRS.reason, aStatus); if (NS_FAILED(rv)) return rv; nsPoint innerOrigin(0,0); nsMargin captionMargin(0,0,0,0), captionMarginNoAuto(0,0,0,0), ignorePadding; nsSize captionSize(0,0); nsSize containSize = GetContainingBlockSize(aOuterRS); // Now that we know the table width we can reflow the caption, and // place the caption and the inner table if (mCaptionFrame) { // reflow the caption nscoord availCaptionWidth = GetCaptionAvailWidth(aPresContext, mCaptionFrame, aOuterRS, captionMargin, ignorePadding, &innerSize.width, &innerMarginNoAuto, &innerMargin); nsHTMLReflowMetrics captionMet(PR_FALSE); nsReflowReason reason = aOuterRS.reason; if (eReflowReason_Initial == aOuterRS.reason) { reason = eReflowReason_Resize; // we have already done the initial reflow } nsReflowStatus capStatus; // don't let the caption cause incomplete rv = OuterReflowChild(aPresContext, mCaptionFrame, aOuterRS, captionMet, availCaptionWidth, captionSize, captionMargin, captionMarginNoAuto, ignorePadding, reason, capStatus); if (NS_FAILED(rv)) return rv; nsPoint captionOrigin; GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin); FinishReflowChild(mCaptionFrame, aPresContext, nsnull, captionMet, captionOrigin.x, captionOrigin.y, 0); GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); // XXX If the height is constrained then we need to check whether the inner table still fits... } else { GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin); } FinishReflowChild(mInnerTableFrame, aPresContext, nsnull, innerMet, innerOrigin.x, innerOrigin.y, 0); if (aDesiredSize.mComputeMEW) { aDesiredSize.mMaxElementWidth = innerMet.mMaxElementWidth; } UpdateReflowMetrics(captionSide, aDesiredSize, innerMargin, innerMarginNoAuto, innerPadding, captionMargin, captionMarginNoAuto, aOuterRS.availableWidth); needUpdateMetrics = PR_FALSE; } // Return our desired rect if (mInnerTableFrame) { aDesiredSize.ascent = mInnerTableFrame->GetAscent(); aDesiredSize.descent = aDesiredSize.height - aDesiredSize.ascent; } else { aDesiredSize.ascent = aDesiredSize.height; aDesiredSize.descent = 0; } // compute max element size and maximum width if it hasn't already been if (needUpdateMetrics) { nsMargin innerMargin, innerMarginNoAuto, capMargin(0,0,0,0), capMarginNoAuto(0,0,0,0), innerPadding, capPadding(0,0,0,0); GetMarginPadding(aPresContext, aOuterRS, mInnerTableFrame, aOuterRS.availableWidth, innerMargin, innerMarginNoAuto, innerPadding); if (mCaptionFrame) { nscoord outerWidth; switch (captionSide) { case NS_SIDE_LEFT: outerWidth = innerMargin.left; break; case NS_SIDE_RIGHT: outerWidth = innerMargin.right; break; default: outerWidth = aOuterRS.availableWidth; break; } GetMarginPadding(aPresContext, aOuterRS, mCaptionFrame, outerWidth, capMargin, capMarginNoAuto, capPadding); } UpdateReflowMetrics(captionSide, aDesiredSize, innerMargin, innerMarginNoAuto, innerPadding, capMargin, capMarginNoAuto, aOuterRS.availableWidth); } #ifdef CHECK_THIS_AND_REMOVE // See if we are supposed to compute our maximum width if (aDesiredSize.mFlags & NS_REFLOW_CALC_MAX_WIDTH) { // XXX this needs to consider the possibility of a caption being wider // than the inner table, but this is the safest way to fix bug 55545 if (mInnerTableFrame) { aDesiredSize.mMaximumWidth = ((nsTableFrame*)mInnerTableFrame)->GetPreferredWidth(); } } #endif mPriorAvailWidth = aOuterRS.availableWidth; #if defined DEBUG_TABLE_REFLOW_TIMING nsTableFrame::DebugReflow(this, (nsHTMLReflowState&)aOuterRS, &aDesiredSize, aStatus); #endif NS_FRAME_SET_TRUNCATION(aStatus, aOuterRS, aDesiredSize); return rv; } NS_METHOD nsTableOuterFrame::VerifyTree() const { return NS_OK; } /** * 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 = NS_STATIC_CAST(nsTableOuterFrame*, 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(aPresContext); NS_POSTCONDITION(!aChild->GetNextInFlow(), "non null next-in-flow"); } nsIAtom* nsTableOuterFrame::GetType() const { return nsLayoutAtoms::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) { return new (aPresShell) nsTableOuterFrame; } #ifdef DEBUG NS_IMETHODIMP nsTableOuterFrame::GetFrameName(nsAString& aResult) const { return MakeFrameName(NS_LITERAL_STRING("TableOuter"), aResult); } #endif