bool nsColumnSetFrame::ReflowChildren(ReflowOutput& aDesiredSize, const ReflowInput& aReflowInput, nsReflowStatus& aStatus, const ReflowConfig& aConfig, bool aUnboundedLastColumn, nsCollapsingMargin* aCarriedOutBEndMargin, ColumnBalanceData& aColData) { aColData.Reset(); bool allFit = true; WritingMode wm = GetWritingMode(); bool isVertical = wm.IsVertical(); bool isRTL = !wm.IsBidiLTR(); bool shrinkingBSizeOnly = !NS_SUBTREE_DIRTY(this) && mLastBalanceBSize > aConfig.mColMaxBSize; #ifdef DEBUG_roc printf("*** Doing column reflow pass: mLastBalanceBSize=%d, mColMaxBSize=%d, RTL=%d\n" " mBalanceColCount=%d, mColISize=%d, mColGap=%d\n", mLastBalanceBSize, aConfig.mColMaxBSize, isRTL, aConfig.mBalanceColCount, aConfig.mColISize, aConfig.mColGap); #endif DrainOverflowColumns(); const bool colBSizeChanged = mLastBalanceBSize != aConfig.mColMaxBSize; if (colBSizeChanged) { mLastBalanceBSize = aConfig.mColMaxBSize; // XXX Seems like this could fire if incremental reflow pushed the column set // down so we reflow incrementally with a different available height. // We need a way to do an incremental reflow and be sure availableHeight // changes are taken account of! Right now I think block frames with absolute // children might exit early. //NS_ASSERTION(aKidReason != eReflowReason_Incremental, // "incremental reflow should not have changed the balance height"); } // get our border and padding LogicalMargin borderPadding = aReflowInput.ComputedLogicalBorderPadding(); borderPadding.ApplySkipSides(GetLogicalSkipSides(&aReflowInput)); nsRect contentRect(0, 0, 0, 0); nsOverflowAreas overflowRects; nsIFrame* child = mFrames.FirstChild(); LogicalPoint childOrigin(wm, borderPadding.IStart(wm), borderPadding.BStart(wm)); // In vertical-rl mode, columns will not be correctly placed if the // reflowInput's ComputedWidth() is UNCONSTRAINED (in which case we'll get // a containerSize.width of zero here). In that case, the column positions // will be adjusted later, after our correct contentSize is known. nsSize containerSize = aReflowInput.ComputedSizeAsContainerIfConstrained(); // For RTL, since the columns might not fill the frame exactly, we // need to account for the slop. Otherwise we'll waste time moving the // columns by some tiny amount // XXX when all of layout is converted to logical coordinates, we // probably won't need to do this hack any more. For now, we // confine it to the legacy horizontal-rl case if (!isVertical && isRTL) { nscoord availISize = aReflowInput.AvailableISize(); if (aReflowInput.ComputedISize() != NS_INTRINSICSIZE) { availISize = aReflowInput.ComputedISize(); } if (availISize != NS_INTRINSICSIZE) { childOrigin.I(wm) = containerSize.width - borderPadding.Left(wm) - availISize; #ifdef DEBUG_roc printf("*** childOrigin.iCoord = %d\n", childOrigin.I(wm)); #endif } } int columnCount = 0; int contentBEnd = 0; bool reflowNext = false; while (child) { // Try to skip reflowing the child. We can't skip if the child is dirty. We also can't // skip if the next column is dirty, because the next column's first line(s) // might be pullable back to this column. We can't skip if it's the last child // because we need to obtain the bottom margin. We can't skip // if this is the last column and we're supposed to assign unbounded // height to it, because that could change the available height from // the last time we reflowed it and we should try to pull all the // content from its next sibling. (Note that it might be the last // column, but not be the last child because the desired number of columns // has changed.) bool skipIncremental = !aReflowInput.ShouldReflowAllKids() && !NS_SUBTREE_DIRTY(child) && child->GetNextSibling() && !(aUnboundedLastColumn && columnCount == aConfig.mBalanceColCount - 1) && !NS_SUBTREE_DIRTY(child->GetNextSibling()); // If we need to pull up content from the prev-in-flow then this is not just // a height shrink. The prev in flow will have set the dirty bit. // Check the overflow rect YMost instead of just the child's content height. The child // may have overflowing content that cares about the available height boundary. // (It may also have overflowing content that doesn't care about the available height // boundary, but if so, too bad, this optimization is defeated.) // We want scrollable overflow here since this is a calculation that // affects layout. bool skipResizeBSizeShrink = false; if (shrinkingBSizeOnly) { switch (wm.GetBlockDir()) { case WritingMode::eBlockTB: if (child->GetScrollableOverflowRect().YMost() <= aConfig.mColMaxBSize) { skipResizeBSizeShrink = true; } break; case WritingMode::eBlockLR: if (child->GetScrollableOverflowRect().XMost() <= aConfig.mColMaxBSize) { skipResizeBSizeShrink = true; } break; case WritingMode::eBlockRL: // XXX not sure how to handle this, so for now just don't attempt // the optimization break; default: NS_NOTREACHED("unknown block direction"); break; } } nscoord childContentBEnd = 0; if (!reflowNext && (skipIncremental || skipResizeBSizeShrink)) { // This child does not need to be reflowed, but we may need to move it MoveChildTo(child, childOrigin, wm, containerSize); // If this is the last frame then make sure we get the right status nsIFrame* kidNext = child->GetNextSibling(); if (kidNext) { aStatus = (kidNext->GetStateBits() & NS_FRAME_IS_OVERFLOW_CONTAINER) ? NS_FRAME_OVERFLOW_INCOMPLETE : NS_FRAME_NOT_COMPLETE; } else { aStatus = mLastFrameStatus; } childContentBEnd = nsLayoutUtils::CalculateContentBEnd(wm, child); #ifdef DEBUG_roc printf("*** Skipping child #%d %p (incremental %d, resize block-size shrink %d): status = %d\n", columnCount, (void*)child, skipIncremental, skipResizeBSizeShrink, aStatus); #endif } else { LogicalSize availSize(wm, aConfig.mColISize, aConfig.mColMaxBSize); if (aUnboundedLastColumn && columnCount == aConfig.mBalanceColCount - 1) { availSize.BSize(wm) = GetAvailableContentBSize(aReflowInput); } LogicalSize computedSize = aReflowInput.ComputedSize(wm); if (reflowNext) child->AddStateBits(NS_FRAME_IS_DIRTY); LogicalSize kidCBSize(wm, availSize.ISize(wm), computedSize.BSize(wm)); ReflowInput kidReflowInput(PresContext(), aReflowInput, child, availSize, &kidCBSize); kidReflowInput.mFlags.mIsTopOfPage = true; kidReflowInput.mFlags.mTableIsSplittable = false; kidReflowInput.mFlags.mIsColumnBalancing = aConfig.mBalanceColCount < INT32_MAX; // We need to reflow any float placeholders, even if our column height // hasn't changed. kidReflowInput.mFlags.mMustReflowPlaceholders = !colBSizeChanged; #ifdef DEBUG_roc printf("*** Reflowing child #%d %p: availHeight=%d\n", columnCount, (void*)child,availSize.BSize(wm)); #endif // Note if the column's next in flow is not being changed by this incremental reflow. // This may allow the current column to avoid trying to pull lines from the next column. if (child->GetNextSibling() && !(GetStateBits() & NS_FRAME_IS_DIRTY) && !(child->GetNextSibling()->GetStateBits() & NS_FRAME_IS_DIRTY)) { kidReflowInput.mFlags.mNextInFlowUntouched = true; } ReflowOutput kidDesiredSize(wm, aDesiredSize.mFlags); // XXX it would be cool to consult the float manager for the // previous block to figure out the region of floats from the // previous column that extend into this column, and subtract // that region from the new float manager. So you could stick a // really big float in the first column and text in following // columns would flow around it. // Reflow the frame LogicalPoint origin(wm, childOrigin.I(wm) + kidReflowInput.ComputedLogicalMargin().IStart(wm), childOrigin.B(wm) + kidReflowInput.ComputedLogicalMargin().BStart(wm)); ReflowChild(child, PresContext(), kidDesiredSize, kidReflowInput, wm, origin, containerSize, 0, aStatus); reflowNext = (aStatus & NS_FRAME_REFLOW_NEXTINFLOW) != 0; #ifdef DEBUG_roc printf("*** Reflowed child #%d %p: status = %d, desiredSize=%d,%d CarriedOutBEndMargin=%d\n", columnCount, (void*)child, aStatus, kidDesiredSize.Width(), kidDesiredSize.Height(), kidDesiredSize.mCarriedOutBEndMargin.get()); #endif NS_FRAME_TRACE_REFLOW_OUT("Column::Reflow", aStatus); *aCarriedOutBEndMargin = kidDesiredSize.mCarriedOutBEndMargin; FinishReflowChild(child, PresContext(), kidDesiredSize, &kidReflowInput, wm, childOrigin, containerSize, 0); childContentBEnd = nsLayoutUtils::CalculateContentBEnd(wm, child); if (childContentBEnd > aConfig.mColMaxBSize) { allFit = false; } if (childContentBEnd > availSize.BSize(wm)) { aColData.mMaxOverflowingBSize = std::max(childContentBEnd, aColData.mMaxOverflowingBSize); } } contentRect.UnionRect(contentRect, child->GetRect()); ConsiderChildOverflow(overflowRects, child); contentBEnd = std::max(contentBEnd, childContentBEnd); aColData.mLastBSize = childContentBEnd; aColData.mSumBSize += childContentBEnd; // Build a continuation column if necessary nsIFrame* kidNextInFlow = child->GetNextInFlow(); if (NS_FRAME_IS_FULLY_COMPLETE(aStatus) && !NS_FRAME_IS_TRUNCATED(aStatus)) { NS_ASSERTION(!kidNextInFlow, "next in flow should have been deleted"); child = nullptr; break; } else { ++columnCount; // Make sure that the column has a next-in-flow. If not, we must // create one to hold the overflowing stuff, even if we're just // going to put it on our overflow list and let *our* // next in flow handle it. if (!kidNextInFlow) { NS_ASSERTION(aStatus & NS_FRAME_REFLOW_NEXTINFLOW, "We have to create a continuation, but the block doesn't want us to reflow it?"); // We need to create a continuing column kidNextInFlow = CreateNextInFlow(child); } // Make sure we reflow a next-in-flow when it switches between being // normal or overflow container if (NS_FRAME_OVERFLOW_IS_INCOMPLETE(aStatus)) { if (!(kidNextInFlow->GetStateBits() & NS_FRAME_IS_OVERFLOW_CONTAINER)) { aStatus |= NS_FRAME_REFLOW_NEXTINFLOW; reflowNext = true; kidNextInFlow->AddStateBits(NS_FRAME_IS_OVERFLOW_CONTAINER); } } else if (kidNextInFlow->GetStateBits() & NS_FRAME_IS_OVERFLOW_CONTAINER) { aStatus |= NS_FRAME_REFLOW_NEXTINFLOW; reflowNext = true; kidNextInFlow->RemoveStateBits(NS_FRAME_IS_OVERFLOW_CONTAINER); } if ((contentBEnd > aReflowInput.ComputedMaxBSize() || contentBEnd > aReflowInput.ComputedBSize()) && aConfig.mBalanceColCount < INT32_MAX) { // We overflowed vertically, but have not exceeded the number of // columns. We're going to go into overflow columns now, so balancing // no longer applies. aColData.mHasExcessBSize = true; } if (columnCount >= aConfig.mBalanceColCount) { // No more columns allowed here. Stop. aStatus |= NS_FRAME_REFLOW_NEXTINFLOW; kidNextInFlow->AddStateBits(NS_FRAME_IS_DIRTY); // Move any of our leftover columns to our overflow list. Our // next-in-flow will eventually pick them up. const nsFrameList& continuationColumns = mFrames.RemoveFramesAfter(child); if (continuationColumns.NotEmpty()) { SetOverflowFrames(continuationColumns); } child = nullptr; break; } } if (PresContext()->HasPendingInterrupt()) { // Stop the loop now while |child| still points to the frame that bailed // out. We could keep going here and condition a bunch of the code in // this loop on whether there's an interrupt, or even just keep going and // trying to reflow the blocks (even though we know they'll interrupt // right after their first line), but stopping now is conceptually the // simplest (and probably fastest) thing. break; } // Advance to the next column child = child->GetNextSibling(); if (child) { childOrigin.I(wm) += aConfig.mColISize + aConfig.mColGap; #ifdef DEBUG_roc printf("*** NEXT CHILD ORIGIN.icoord = %d\n", childOrigin.I(wm)); #endif } } if (PresContext()->CheckForInterrupt(this) && (GetStateBits() & NS_FRAME_IS_DIRTY)) { // Mark all our kids starting with |child| dirty // Note that this is a CheckForInterrupt call, not a HasPendingInterrupt, // because we might have interrupted while reflowing |child|, and since // we're about to add a dirty bit to |child| we need to make sure that // |this| is scheduled to have dirty bits marked on it and its ancestors. // Otherwise, when we go to mark dirty bits on |child|'s ancestors we'll // bail out immediately, since it'll already have a dirty bit. for (; child; child = child->GetNextSibling()) { child->AddStateBits(NS_FRAME_IS_DIRTY); } } aColData.mMaxBSize = contentBEnd; LogicalSize contentSize = LogicalSize(wm, contentRect.Size()); contentSize.BSize(wm) = std::max(contentSize.BSize(wm), contentBEnd); mLastFrameStatus = aStatus; // Apply computed and min/max values if (aConfig.mComputedBSize != NS_INTRINSICSIZE) { if (aReflowInput.AvailableBSize() != NS_INTRINSICSIZE) { contentSize.BSize(wm) = std::min(contentSize.BSize(wm), aConfig.mComputedBSize); } else { contentSize.BSize(wm) = aConfig.mComputedBSize; } } else { // We add the "consumed" block-size back in so that we're applying // constraints to the correct bSize value, then subtract it again // after we've finished with the min/max calculation. This prevents us from // having a last continuation that is smaller than the min bSize. but which // has prev-in-flows, trigger a larger bSize than actually required. contentSize.BSize(wm) = aReflowInput.ApplyMinMaxBSize(contentSize.BSize(wm), aConfig.mConsumedBSize); } if (aReflowInput.ComputedISize() != NS_INTRINSICSIZE) { contentSize.ISize(wm) = aReflowInput.ComputedISize(); } else { contentSize.ISize(wm) = aReflowInput.ApplyMinMaxISize(contentSize.ISize(wm)); } contentSize.ISize(wm) += borderPadding.IStartEnd(wm); contentSize.BSize(wm) += borderPadding.BStartEnd(wm); aDesiredSize.SetSize(wm, contentSize); aDesiredSize.mOverflowAreas = overflowRects; aDesiredSize.UnionOverflowAreasWithDesiredBounds(); // In vertical-rl mode, make a second pass if necessary to reposition the // columns with the correct container width. (In other writing modes, // correct containerSize was not required for column positioning so we don't // need this fixup.) if (wm.IsVerticalRL() && containerSize.width != contentSize.Width(wm)) { const nsSize finalContainerSize = aDesiredSize.PhysicalSize(); for (nsIFrame* child : mFrames) { // Get the logical position as set previously using a provisional or // dummy containerSize, and reset with the correct container size. child->SetPosition(wm, child->GetLogicalPosition(wm, containerSize), finalContainerSize); } } #ifdef DEBUG_roc printf("*** DONE PASS feasible=%d\n", allFit && NS_FRAME_IS_FULLY_COMPLETE(aStatus) && !NS_FRAME_IS_TRUNCATED(aStatus)); #endif return allFit && NS_FRAME_IS_FULLY_COMPLETE(aStatus) && !NS_FRAME_IS_TRUNCATED(aStatus); }
void nsTableWrapperFrame::Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize, const ReflowInput& aOuterRI, nsReflowStatus& aStatus) { MarkInReflow(); DO_GLOBAL_REFLOW_COUNT("nsTableWrapperFrame"); DISPLAY_REFLOW(aPresContext, this, aOuterRI, aDesiredSize, aStatus); // Initialize out parameters aDesiredSize.ClearSize(); aStatus = NS_FRAME_COMPLETE; if (!HasAnyStateBits(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(); } Maybe<ReflowInput> captionRI; Maybe<ReflowInput> innerRI; nsRect origInnerRect = InnerTableFrame()->GetRect(); nsRect origInnerVisualOverflow = InnerTableFrame()->GetVisualOverflowRect(); bool innerFirstReflow = InnerTableFrame()->HasAnyStateBits(NS_FRAME_FIRST_REFLOW); nsRect origCaptionRect; nsRect origCaptionVisualOverflow; bool captionFirstReflow = false; if (mCaptionFrames.NotEmpty()) { origCaptionRect = mCaptionFrames.FirstChild()->GetRect(); origCaptionVisualOverflow = mCaptionFrames.FirstChild()->GetVisualOverflowRect(); captionFirstReflow = mCaptionFrames.FirstChild()->HasAnyStateBits(NS_FRAME_FIRST_REFLOW); } // ComputeAutoSize has to match this logic. WritingMode wm = aOuterRI.GetWritingMode(); uint8_t captionSide = GetCaptionSide(); WritingMode captionWM = wm; // will be changed below if necessary if (captionSide == NO_SIDE) { // We don't have a caption. OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI, aOuterRI.ComputedSize(wm).ISize(wm)); } else if (captionSide == NS_STYLE_CAPTION_SIDE_LEFT || captionSide == NS_STYLE_CAPTION_SIDE_RIGHT) { // ComputeAutoSize takes care of making side captions small. Compute // the caption's size first, and tell the table to fit in what's left. OuterBeginReflowChild(aPresContext, mCaptionFrames.FirstChild(), aOuterRI, captionRI, aOuterRI.ComputedSize(wm).ISize(wm)); captionWM = captionRI->GetWritingMode(); nscoord innerAvailISize = aOuterRI.ComputedSize(wm).ISize(wm) - captionRI->ComputedSizeWithMarginBorderPadding(wm).ISize(wm); OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI, innerAvailISize); } else if (captionSide == NS_STYLE_CAPTION_SIDE_TOP || captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM) { // Compute the table's size first, and then prevent the caption from // being larger in the inline dir unless it has to be. // // Note that CSS 2.1 (but not 2.0) says: // The width of the anonymous box is the border-edge width of the // table box inside it // We don't actually make our anonymous box that isize (if we did, // it would break 'auto' margins), but this effectively does that. OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI, aOuterRI.ComputedSize(wm).ISize(wm)); // It's good that CSS 2.1 says not to include margins, since we // can't, since they already been converted so they exactly // fill the available isize (ignoring the margin on one side if // neither are auto). (We take advantage of that later when we call // GetCaptionOrigin, though.) nscoord innerBorderISize = innerRI->ComputedSizeWithBorderPadding(wm).ISize(wm); OuterBeginReflowChild(aPresContext, mCaptionFrames.FirstChild(), aOuterRI, captionRI, innerBorderISize); captionWM = captionRI->GetWritingMode(); } else { NS_ASSERTION(captionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE || captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE, "unexpected caption-side"); // Size the table and the caption independently. captionWM = mCaptionFrames.FirstChild()->GetWritingMode(); OuterBeginReflowChild(aPresContext, mCaptionFrames.FirstChild(), aOuterRI, captionRI, aOuterRI.ComputedSize(captionWM).ISize(captionWM)); OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI, aOuterRI.ComputedSize(wm).ISize(wm)); } // First reflow the caption. Maybe<ReflowOutput> captionMet; LogicalSize captionSize(wm); LogicalMargin captionMargin(wm); if (mCaptionFrames.NotEmpty()) { captionMet.emplace(wm); nsReflowStatus capStatus; // don't let the caption cause incomplete OuterDoReflowChild(aPresContext, mCaptionFrames.FirstChild(), *captionRI, *captionMet, capStatus); captionSize.ISize(wm) = captionMet->ISize(wm); captionSize.BSize(wm) = captionMet->BSize(wm); captionMargin = captionRI->ComputedLogicalMargin().ConvertTo(wm, captionWM); // Now that we know the bsize of the caption, reduce the available bsize // for the table frame if we are bsize constrained and the caption is above // or below the inner table. Also reduce the CB size that we store for // our children in case we're a grid item, by the same amount. LogicalSize* cbSize = Properties().Get(GridItemCBSizeProperty()); if (NS_UNCONSTRAINEDSIZE != aOuterRI.AvailableBSize() || cbSize) { nscoord captionBSize = 0; nscoord captionISize = 0; switch (captionSide) { case NS_STYLE_CAPTION_SIDE_TOP: case NS_STYLE_CAPTION_SIDE_BOTTOM: case NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE: case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE: captionBSize = captionSize.BSize(wm) + captionMargin.BStartEnd(wm); break; case NS_STYLE_CAPTION_SIDE_LEFT: case NS_STYLE_CAPTION_SIDE_RIGHT: captionISize = captionSize.ISize(wm) + captionMargin.IStartEnd(wm); break; } if (NS_UNCONSTRAINEDSIZE != aOuterRI.AvailableBSize()) { innerRI->AvailableBSize() = std::max(0, innerRI->AvailableBSize() - captionBSize); } if (cbSize) { // Shrink the CB size by the size reserved for the caption. LogicalSize oldCBSize = *cbSize; cbSize->ISize(wm) = std::max(0, cbSize->ISize(wm) - captionISize); cbSize->BSize(wm) = std::max(0, cbSize->BSize(wm) - captionBSize); if (oldCBSize != *cbSize) { // Reset the inner table's ReflowInput to stretch it to the new size. innerRI.reset(); OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI, aOuterRI.ComputedSize(wm).ISize(wm)); } } } } // Then, now that we know how much to reduce the isize of the inner // table to account for side captions, reflow the inner table. ReflowOutput innerMet(innerRI->GetWritingMode()); OuterDoReflowChild(aPresContext, InnerTableFrame(), *innerRI, innerMet, aStatus); LogicalSize innerSize(wm, innerMet.ISize(wm), innerMet.BSize(wm)); LogicalMargin innerMargin = innerRI->ComputedLogicalMargin(); LogicalSize containSize(wm, GetContainingBlockSize(aOuterRI)); // 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.) // Compute the desiredSize so that we can use it as the containerSize // for the FinishReflowChild calls below. LogicalSize desiredSize(wm); SetDesiredSize(captionSide, innerSize, captionSize, innerMargin, captionMargin, desiredSize.ISize(wm), desiredSize.BSize(wm), wm); aDesiredSize.SetSize(wm, desiredSize); nsSize containerSize = aDesiredSize.PhysicalSize(); // XXX It's possible for this to be NS_UNCONSTRAINEDSIZE, which will result // in assertions from FinishReflowChild. if (mCaptionFrames.NotEmpty()) { LogicalPoint captionOrigin(wm); GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin, captionSize, captionMargin, captionOrigin, wm); FinishReflowChild(mCaptionFrames.FirstChild(), aPresContext, *captionMet, captionRI.ptr(), wm, captionOrigin, containerSize, 0); captionRI.reset(); } // XXX If the bsize is constrained then we need to check whether // everything still fits... LogicalPoint innerOrigin(wm); GetInnerOrigin(captionSide, containSize, captionSize, captionMargin, innerSize, innerMargin, innerOrigin, wm); FinishReflowChild(InnerTableFrame(), aPresContext, innerMet, innerRI.ptr(), wm, innerOrigin, containerSize, 0); innerRI.reset(); nsTableFrame::InvalidateTableFrame(InnerTableFrame(), origInnerRect, origInnerVisualOverflow, innerFirstReflow); if (mCaptionFrames.NotEmpty()) { nsTableFrame::InvalidateTableFrame(mCaptionFrames.FirstChild(), origCaptionRect, origCaptionVisualOverflow, captionFirstReflow); } UpdateOverflowAreas(aDesiredSize); if (GetPrevInFlow()) { ReflowOverflowContainerChildren(aPresContext, aOuterRI, aDesiredSize.mOverflowAreas, 0, aStatus); } FinishReflowWithAbsoluteFrames(aPresContext, aDesiredSize, aOuterRI, aStatus); // Return our desired rect NS_FRAME_SET_TRUNCATION(aStatus, aOuterRI, aDesiredSize); }