/* virtual */ void
nsRubyTextContainerFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
MarkInReflow();
DO_GLOBAL_REFLOW_COUNT("nsRubyTextContainerFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
// Although a ruby text container may have continuations, returning
// NS_FRAME_COMPLETE here is still safe, since its parent, ruby frame,
// ignores the status, and continuations of the ruby base container
// will take care of our continuations.
aStatus = NS_FRAME_COMPLETE;
WritingMode lineWM = aReflowState.mLineLayout->GetWritingMode();
nscoord minBCoord = nscoord_MAX;
nscoord maxBCoord = nscoord_MIN;
// The container size is not yet known, so we use a dummy (0, 0) size.
// The block-dir position will be corrected below after containerSize
// is finalized.
const nsSize dummyContainerSize;
for (nsFrameList::Enumerator e(mFrames); !e.AtEnd(); e.Next()) {
nsIFrame* child = e.get();
MOZ_ASSERT(child->GetType() == nsGkAtoms::rubyTextFrame);
LogicalRect rect = child->GetLogicalRect(lineWM, dummyContainerSize);
LogicalMargin margin = child->GetLogicalUsedMargin(lineWM);
nscoord blockStart = rect.BStart(lineWM) - margin.BStart(lineWM);
minBCoord = std::min(minBCoord, blockStart);
nscoord blockEnd = rect.BEnd(lineWM) + margin.BEnd(lineWM);
maxBCoord = std::max(maxBCoord, blockEnd);
}
LogicalSize size(lineWM, mISize, 0);
if (!mFrames.IsEmpty()) {
if (MOZ_UNLIKELY(minBCoord > maxBCoord)) {
// XXX When bug 765861 gets fixed, this warning should be upgraded.
NS_WARNING("bad block coord");
minBCoord = maxBCoord = 0;
}
size.BSize(lineWM) = maxBCoord - minBCoord;
nsSize containerSize = size.GetPhysicalSize(lineWM);
for (nsFrameList::Enumerator e(mFrames); !e.AtEnd(); e.Next()) {
nsIFrame* child = e.get();
// We reflowed the child with a dummy container size, as the true size
// was not yet known at that time.
LogicalPoint pos = child->GetLogicalPosition(lineWM, dummyContainerSize);
// Adjust block position to account for minBCoord,
// then reposition child based on the true container width.
pos.B(lineWM) -= minBCoord;
// Relative positioning hasn't happened yet.
// So MovePositionBy should not be used here.
child->SetPosition(lineWM, pos, containerSize);
nsContainerFrame::PlaceFrameView(child);
}
}
aDesiredSize.SetSize(lineWM, size);
}
nscoord
nsFloatManager::GetLowestFloatTop(WritingMode aWM,
nscoord aContainerWidth) const
{
if (mPushedLeftFloatPastBreak || mPushedRightFloatPastBreak) {
return nscoord_MAX;
}
if (!HasAnyFloats()) {
return nscoord_MIN;
}
FloatInfo fi = mFloats[mFloats.Length() - 1];
LogicalRect rect = fi.mRect.ConvertTo(aWM, fi.mWritingMode, aContainerWidth);
LogicalPoint offset = mOffset.ConvertTo(aWM, mWritingMode, 0);
return rect.BStart(aWM) - offset.B(aWM);
}
LogicalRect
nsGridContainerFrame::ContainingBlockForAbsPos(
const WritingMode& aWM,
const GridArea& aArea,
const nsTArray<TrackSize>& aColSizes,
const nsTArray<TrackSize>& aRowSizes,
const LogicalPoint& aGridOrigin,
const LogicalRect& aGridCB) const
{
nscoord i = aGridCB.IStart(aWM);
nscoord b = aGridCB.BStart(aWM);
nscoord iSize = aGridCB.ISize(aWM);
nscoord bSize = aGridCB.BSize(aWM);
aArea.mCols.ToPositionAndLengthForAbsPos(aColSizes, aGridOrigin.I(aWM),
&i, &iSize);
aArea.mRows.ToPositionAndLengthForAbsPos(aRowSizes, aGridOrigin.B(aWM),
&b, &bSize);
return LogicalRect(aWM, i, b, iSize, bSize);
}
nscoord
nsFloatManager::ClearFloats(WritingMode aWM, nscoord aBCoord,
uint8_t aBreakType, nscoord aContainerWidth,
uint32_t aFlags) const
{
if (!(aFlags & DONT_CLEAR_PUSHED_FLOATS) && ClearContinues(aBreakType)) {
return nscoord_MAX;
}
if (!HasAnyFloats()) {
return aBCoord;
}
LogicalPoint offset = mOffset.ConvertTo(aWM, mWritingMode, 0);
nscoord blockEnd = aBCoord + offset.B(aWM);
const FloatInfo &tail = mFloats[mFloats.Length() - 1];
switch (aBreakType) {
case NS_STYLE_CLEAR_BOTH:
blockEnd = std::max(blockEnd, tail.mLeftBEnd);
blockEnd = std::max(blockEnd, tail.mRightBEnd);
break;
case NS_STYLE_CLEAR_LEFT:
blockEnd = std::max(blockEnd, aWM.IsBidiLTR() ? tail.mLeftBEnd
: tail.mRightBEnd);
break;
case NS_STYLE_CLEAR_RIGHT:
blockEnd = std::max(blockEnd, aWM.IsBidiLTR() ? tail.mRightBEnd
: tail.mLeftBEnd);
break;
default:
// Do nothing
break;
}
blockEnd -= offset.B(aWM);
return blockEnd;
}
nsFlowAreaRect
nsFloatManager::GetFlowArea(WritingMode aWM, nscoord aBOffset,
BandInfoType aInfoType, nscoord aBSize,
LogicalRect aContentArea, SavedState* aState,
nscoord aContainerWidth) const
{
NS_ASSERTION(aBSize >= 0, "unexpected max block size");
NS_ASSERTION(aContentArea.ISize(aWM) >= 0,
"unexpected content area inline size");
LogicalPoint offset = mOffset.ConvertTo(aWM, mWritingMode, 0);
nscoord blockStart = aBOffset + offset.B(aWM);
if (blockStart < nscoord_MIN) {
NS_WARNING("bad value");
blockStart = nscoord_MIN;
}
// Determine the last float that we should consider.
uint32_t floatCount;
if (aState) {
// Use the provided state.
floatCount = aState->mFloatInfoCount;
NS_ABORT_IF_FALSE(floatCount <= mFloats.Length(), "bad state");
} else {
// Use our current state.
floatCount = mFloats.Length();
}
// If there are no floats at all, or we're below the last one, return
// quickly.
if (floatCount == 0 ||
(mFloats[floatCount-1].mLeftBEnd <= blockStart &&
mFloats[floatCount-1].mRightBEnd <= blockStart)) {
return nsFlowAreaRect(aWM, aContentArea.IStart(aWM), aBOffset,
aContentArea.ISize(aWM), aBSize, false);
}
nscoord blockEnd;
if (aBSize == nscoord_MAX) {
// This warning (and the two below) are possible to hit on pages
// with really large objects.
NS_WARN_IF_FALSE(aInfoType == BAND_FROM_POINT,
"bad height");
blockEnd = nscoord_MAX;
} else {
blockEnd = blockStart + aBSize;
if (blockEnd < blockStart || blockEnd > nscoord_MAX) {
NS_WARNING("bad value");
blockEnd = nscoord_MAX;
}
}
nscoord inlineStart = offset.I(aWM) + aContentArea.IStart(aWM);
nscoord inlineEnd = offset.I(aWM) + aContentArea.IEnd(aWM);
if (inlineEnd < inlineStart) {
NS_WARNING("bad value");
inlineEnd = inlineStart;
}
// Walk backwards through the floats until we either hit the front of
// the list or we're above |blockStart|.
bool haveFloats = false;
for (uint32_t i = floatCount; i > 0; --i) {
const FloatInfo &fi = mFloats[i-1];
if (fi.mLeftBEnd <= blockStart && fi.mRightBEnd <= blockStart) {
// There aren't any more floats that could intersect this band.
break;
}
if (fi.mRect.IsEmpty()) {
// For compatibility, ignore floats with empty rects, even though it
// disagrees with the spec. (We might want to fix this in the
// future, though.)
continue;
}
LogicalRect rect = fi.mRect.ConvertTo(aWM, fi.mWritingMode,
aContainerWidth);
nscoord floatBStart = rect.BStart(aWM);
nscoord floatBEnd = rect.BEnd(aWM);
if (blockStart < floatBStart && aInfoType == BAND_FROM_POINT) {
// This float is below our band. Shrink our band's height if needed.
if (floatBStart < blockEnd) {
blockEnd = floatBStart;
}
}
// If blockStart == blockEnd (which happens only with WIDTH_WITHIN_HEIGHT),
// we include floats that begin at our 0-height vertical area. We
// need to to this to satisfy the invariant that a
// WIDTH_WITHIN_HEIGHT call is at least as narrow on both sides as a
// BAND_WITHIN_POINT call beginning at its blockStart.
else if (blockStart < floatBEnd &&
(floatBStart < blockEnd ||
(floatBStart == blockEnd && blockStart == blockEnd))) {
// This float is in our band.
// Shrink our band's height if needed.
if (floatBEnd < blockEnd && aInfoType == BAND_FROM_POINT) {
blockEnd = floatBEnd;
}
// Shrink our band's width if needed.
if ((fi.mFrame->StyleDisplay()->mFloats == NS_STYLE_FLOAT_LEFT) ==
aWM.IsBidiLTR()) {
// A left float in an ltr block or a right float in an rtl block
nscoord inlineEndEdge = rect.IEnd(aWM);
if (inlineEndEdge > inlineStart) {
inlineStart = inlineEndEdge;
// Only set haveFloats to true if the float is inside our
// containing block. This matches the spec for what some
// callers want and disagrees for other callers, so we should
// probably provide better information at some point.
haveFloats = true;
}
} else {
// A left float in an rtl block or a right float in an ltr block
nscoord inlineStartEdge = rect.IStart(aWM);
if (inlineStartEdge < inlineEnd) {
inlineEnd = inlineStartEdge;
// See above.
haveFloats = true;
}
}
}
}
nscoord blockSize = (blockEnd == nscoord_MAX) ?
nscoord_MAX : (blockEnd - blockStart);
return nsFlowAreaRect(aWM,
inlineStart - offset.I(aWM), blockStart - offset.B(aWM),
inlineEnd - inlineStart, blockSize, haveFloats);
}
void
nsGridContainerFrame::ReflowChildren(GridItemCSSOrderIterator& aIter,
const LogicalRect& aContentArea,
const nsTArray<TrackSize>& aColSizes,
const nsTArray<TrackSize>& aRowSizes,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
WritingMode wm = aReflowState.GetWritingMode();
const LogicalPoint gridOrigin(aContentArea.Origin(wm));
const nscoord gridWidth = aContentArea.Width(wm);
nsPresContext* pc = PresContext();
for (; !aIter.AtEnd(); aIter.Next()) {
nsIFrame* child = *aIter;
GridArea* area = GetGridAreaForChild(child);
MOZ_ASSERT(area && area->IsDefinite());
LogicalRect cb = ContainingBlockFor(wm, *area, aColSizes, aRowSizes);
cb += gridOrigin;
nsHTMLReflowState childRS(pc, aReflowState, child, cb.Size(wm));
const LogicalMargin margin = childRS.ComputedLogicalMargin();
if (childRS.ComputedBSize() == NS_AUTOHEIGHT) {
// XXX the start of an align-self:stretch impl. Needs min-/max-bsize
// clamping though, and check the prop value is actually 'stretch'!
LogicalMargin bp = childRS.ComputedLogicalBorderPadding();
bp.ApplySkipSides(child->GetLogicalSkipSides());
nscoord bSize = cb.BSize(wm) - bp.BStartEnd(wm) - margin.BStartEnd(wm);
childRS.SetComputedBSize(std::max(bSize, 0));
}
LogicalPoint childPos = cb.Origin(wm);
childPos.I(wm) += margin.IStart(wm);
childPos.B(wm) += margin.BStart(wm);
nsHTMLReflowMetrics childSize(childRS);
nsReflowStatus childStatus;
ReflowChild(child, pc, childSize, childRS, wm, childPos,
gridWidth, 0, childStatus);
FinishReflowChild(child, pc, childSize, &childRS, wm, childPos,
gridWidth, 0);
ConsiderChildOverflow(aDesiredSize.mOverflowAreas, child);
// XXX deal with 'childStatus' not being COMPLETE
}
if (IsAbsoluteContainer()) {
nsFrameList children(GetChildList(GetAbsoluteListID()));
if (!children.IsEmpty()) {
LogicalMargin pad(aReflowState.ComputedLogicalPadding());
pad.ApplySkipSides(GetLogicalSkipSides(&aReflowState));
// 'gridOrigin' is the origin of the grid (the start of the first track),
// with respect to the grid container's padding-box (CB).
const LogicalPoint gridOrigin(wm, pad.IStart(wm), pad.BStart(wm));
const LogicalRect gridCB(wm, 0, 0,
aContentArea.ISize(wm) + pad.IStartEnd(wm),
aContentArea.BSize(wm) + pad.BStartEnd(wm));
for (nsFrameList::Enumerator e(children); !e.AtEnd(); e.Next()) {
nsIFrame* child = e.get();
GridArea* area = GetGridAreaForChild(child);
MOZ_ASSERT(area);
LogicalRect itemCB(ContainingBlockForAbsPos(wm, *area,
aColSizes, aRowSizes,
gridOrigin, gridCB));
// nsAbsoluteContainingBlock::Reflow uses physical coordinates.
nsRect* cb = static_cast<nsRect*>(child->Properties().Get(
GridItemContainingBlockRect()));
if (!cb) {
cb = new nsRect;
child->Properties().Set(GridItemContainingBlockRect(), cb);
}
*cb = itemCB.GetPhysicalRect(wm, gridWidth);
}
// This rect isn't used at all for layout so we use it to optimize
// away the virtual GetType() call in the callee in most cases.
// @see nsAbsoluteContainingBlock::Reflow
nsRect dummyRect(0, 0, VERY_LIKELY_A_GRID_CONTAINER, 0);
GetAbsoluteContainingBlock()->Reflow(this, pc, aReflowState, aStatus,
dummyRect, true,
true, true, // XXX could be optimized
&aDesiredSize.mOverflowAreas);
}
}
}
nsresult
nsTableWrapperFrame::GetInnerOrigin(uint32_t aCaptionSide,
const LogicalSize& aContainBlockSize,
const LogicalSize& aCaptionSize,
const LogicalMargin& aCaptionMargin,
const LogicalSize& aInnerSize,
LogicalMargin& aInnerMargin,
LogicalPoint& aOrigin,
WritingMode aWM)
{
NS_ASSERTION(NS_AUTOMARGIN != aCaptionMargin.IStart(aWM) &&
NS_AUTOMARGIN != aCaptionMargin.IEnd(aWM),
"The computed caption margin is auto?");
NS_ASSERTION(NS_AUTOMARGIN != aInnerMargin.IStart(aWM) &&
NS_AUTOMARGIN != aInnerMargin.IEnd(aWM) &&
NS_AUTOMARGIN != aInnerMargin.BStart(aWM) &&
NS_AUTOMARGIN != aInnerMargin.BEnd(aWM),
"The computed inner margin is auto?");
aOrigin.I(aWM) = aOrigin.B(aWM) = 0;
if ((NS_UNCONSTRAINEDSIZE == aInnerSize.ISize(aWM)) ||
(NS_UNCONSTRAINEDSIZE == aInnerSize.BSize(aWM)) ||
(NS_UNCONSTRAINEDSIZE == aCaptionSize.ISize(aWM)) ||
(NS_UNCONSTRAINEDSIZE == aCaptionSize.BSize(aWM))) {
return NS_OK;
}
nscoord minCapISize =
aCaptionSize.ISize(aWM) + aCaptionMargin.IStartEnd(aWM);
// inline-dir computation
switch (aCaptionSide) {
case NS_STYLE_CAPTION_SIDE_LEFT:
case NS_STYLE_CAPTION_SIDE_RIGHT:
if (aWM.IsBidiLTR() == (aCaptionSide == NS_STYLE_CAPTION_SIDE_LEFT)) {
if (aInnerMargin.IStart(aWM) < minCapISize) {
// shift the inner table to get some place for the caption
aInnerMargin.IEnd(aWM) += aInnerMargin.IStart(aWM) - minCapISize;
aInnerMargin.IEnd(aWM) = std::max(0, aInnerMargin.IEnd(aWM));
aInnerMargin.IStart(aWM) = minCapISize;
}
}
aOrigin.I(aWM) = aInnerMargin.IStart(aWM);
break;
default:
NS_ASSERTION(aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP ||
aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE ||
aCaptionSide == NS_STYLE_CAPTION_SIDE_BOTTOM ||
aCaptionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE ||
aCaptionSide == NO_SIDE,
"unexpected caption side");
aOrigin.I(aWM) = aInnerMargin.IStart(aWM);
break;
}
// block-dir computation
switch (aCaptionSide) {
case NS_STYLE_CAPTION_SIDE_BOTTOM:
case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
aOrigin.B(aWM) = aInnerMargin.BStart(aWM);
break;
case NS_STYLE_CAPTION_SIDE_LEFT:
case NS_STYLE_CAPTION_SIDE_RIGHT:
aOrigin.B(aWM) = aInnerMargin.BStart(aWM);
switch (GetCaptionVerticalAlign()) {
case NS_STYLE_VERTICAL_ALIGN_MIDDLE:
aOrigin.B(aWM) =
std::max(aInnerMargin.BStart(aWM),
(aCaptionSize.BSize(aWM) - aInnerSize.BSize(aWM)) / 2);
break;
case NS_STYLE_VERTICAL_ALIGN_BOTTOM:
aOrigin.B(aWM) =
std::max(aInnerMargin.BStart(aWM),
aCaptionSize.BSize(aWM) - aInnerSize.BSize(aWM));
break;
default:
break;
}
break;
case NO_SIDE:
case NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE:
case NS_STYLE_CAPTION_SIDE_TOP:
aOrigin.B(aWM) = aInnerMargin.BStart(aWM) + aCaptionSize.BSize(aWM) +
aCaptionMargin.BStartEnd(aWM);
break;
default:
NS_NOTREACHED("Unknown caption alignment type");
break;
}
return NS_OK;
}
nsresult
nsTableWrapperFrame::GetCaptionOrigin(uint32_t aCaptionSide,
const LogicalSize& aContainBlockSize,
const LogicalSize& aInnerSize,
const LogicalMargin& aInnerMargin,
const LogicalSize& aCaptionSize,
LogicalMargin& aCaptionMargin,
LogicalPoint& aOrigin,
WritingMode aWM)
{
aOrigin.I(aWM) = aOrigin.B(aWM) = 0;
if ((NS_UNCONSTRAINEDSIZE == aInnerSize.ISize(aWM)) ||
(NS_UNCONSTRAINEDSIZE == aInnerSize.BSize(aWM)) ||
(NS_UNCONSTRAINEDSIZE == aCaptionSize.ISize(aWM)) ||
(NS_UNCONSTRAINEDSIZE == aCaptionSize.BSize(aWM))) {
return NS_OK;
}
if (mCaptionFrames.IsEmpty()) {
return NS_OK;
}
NS_ASSERTION(NS_AUTOMARGIN != aCaptionMargin.IStart(aWM) &&
NS_AUTOMARGIN != aCaptionMargin.BStart(aWM) &&
NS_AUTOMARGIN != aCaptionMargin.BEnd(aWM),
"The computed caption margin is auto?");
// inline-dir computation
switch (aCaptionSide) {
case NS_STYLE_CAPTION_SIDE_BOTTOM:
case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
aOrigin.I(aWM) = aCaptionMargin.IStart(aWM);
if (aCaptionSide == NS_STYLE_CAPTION_SIDE_BOTTOM) {
// We placed the caption using only the table's isize as available
// isize, and we should position it this way as well.
aOrigin.I(aWM) += aInnerMargin.IStart(aWM);
}
break;
case NS_STYLE_CAPTION_SIDE_LEFT:
case NS_STYLE_CAPTION_SIDE_RIGHT:
aOrigin.I(aWM) = aCaptionMargin.IStart(aWM);
if (aWM.IsBidiLTR() == (aCaptionSide == NS_STYLE_CAPTION_SIDE_RIGHT)) {
aOrigin.I(aWM) += aInnerMargin.IStart(aWM) + aInnerSize.ISize(aWM);
}
break;
default: // block-start
NS_ASSERTION(aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP ||
aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE,
"unexpected caption side");
aOrigin.I(aWM) = aCaptionMargin.IStart(aWM);
if (aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP) {
// We placed the caption using only the table's isize as available
// isize, and we should position it this way as well.
aOrigin.I(aWM) += aInnerMargin.IStart(aWM);
}
break;
}
// block-dir computation
switch (aCaptionSide) {
case NS_STYLE_CAPTION_SIDE_RIGHT:
case NS_STYLE_CAPTION_SIDE_LEFT:
aOrigin.B(aWM) = aInnerMargin.BStart(aWM);
switch (GetCaptionVerticalAlign()) {
case NS_STYLE_VERTICAL_ALIGN_MIDDLE:
aOrigin.B(aWM) = std::max(0, aInnerMargin.BStart(aWM) +
((aInnerSize.BSize(aWM) -
aCaptionSize.BSize(aWM)) / 2));
break;
case NS_STYLE_VERTICAL_ALIGN_BOTTOM:
aOrigin.B(aWM) = std::max(0, aInnerMargin.BStart(aWM) +
aInnerSize.BSize(aWM) -
aCaptionSize.BSize(aWM));
break;
default:
break;
}
break;
case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
case NS_STYLE_CAPTION_SIDE_BOTTOM:
aOrigin.B(aWM) = aInnerMargin.BStart(aWM) + aInnerSize.BSize(aWM) +
aCaptionMargin.BStart(aWM);
break;
case NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE:
case NS_STYLE_CAPTION_SIDE_TOP:
aOrigin.B(aWM) = aInnerMargin.BStart(aWM) + aCaptionMargin.BStart(aWM);
break;
default:
NS_NOTREACHED("Unknown caption alignment type");
break;
}
return NS_OK;
}
