int RootInlineBox::verticallyAlignBoxes(int heightOfBlock)
{
int maxPositionTop = 0;
int maxPositionBottom = 0;
int maxAscent = 0;
int maxDescent = 0;
// Figure out if we're in strict mode. Note that we can't simply use !style()->htmlHacks(),
// because that would match almost strict mode as well.
RenderObject* curr = renderer();
while (curr && !curr->node())
curr = curr->container();
bool strictMode = (curr && curr->document()->inStrictMode());
computeLogicalBoxHeights(maxPositionTop, maxPositionBottom, maxAscent, maxDescent, strictMode);
if (maxAscent + maxDescent < max(maxPositionTop, maxPositionBottom))
adjustMaxAscentAndDescent(maxAscent, maxDescent, maxPositionTop, maxPositionBottom);
int maxHeight = maxAscent + maxDescent;
int lineTop = heightOfBlock;
int lineBottom = heightOfBlock;
placeBoxesVertically(heightOfBlock, maxHeight, maxAscent, strictMode, lineTop, lineBottom);
computeVerticalOverflow(lineTop, lineBottom, strictMode);
setLineTopBottomPositions(lineTop, lineBottom);
heightOfBlock += maxHeight;
return heightOfBlock;
}
void SVGRootInlineBox::layoutRootBox(const FloatRect& childRect)
{
RenderBlock* parentBlock = block();
ASSERT(parentBlock);
// Finally, assign the root block position, now that all content is laid out.
LayoutRect boundingRect = enclosingLayoutRect(childRect);
parentBlock->setLocation(boundingRect.location());
parentBlock->setSize(boundingRect.size());
// Position all children relative to the parent block.
for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
// Skip generated content.
if (!child->renderer()->node())
continue;
child->adjustPosition(-childRect.x(), -childRect.y());
}
// Position ourselves.
setX(0);
setY(0);
setLogicalWidth(childRect.width());
setLogicalHeight(childRect.height());
setLineTopBottomPositions(0, boundingRect.height(), 0, boundingRect.height());
}
LayoutUnit RootInlineBox::alignBoxesInBlockDirection(LayoutUnit heightOfBlock, GlyphOverflowAndFallbackFontsMap& textBoxDataMap, VerticalPositionCache& verticalPositionCache)
{
// SVG will handle vertical alignment on its own.
if (isSVGRootInlineBox())
return 0;
LayoutUnit maxPositionTop = 0;
LayoutUnit maxPositionBottom = 0;
int maxAscent = 0;
int maxDescent = 0;
bool setMaxAscent = false;
bool setMaxDescent = false;
// Figure out if we're in no-quirks mode.
bool noQuirksMode = renderer().document().inNoQuirksMode();
m_baselineType = requiresIdeographicBaseline(textBoxDataMap) ? IdeographicBaseline : AlphabeticBaseline;
computeLogicalBoxHeights(this, maxPositionTop, maxPositionBottom, maxAscent, maxDescent, setMaxAscent, setMaxDescent, noQuirksMode,
textBoxDataMap, baselineType(), verticalPositionCache);
if (maxAscent + maxDescent < std::max(maxPositionTop, maxPositionBottom))
adjustMaxAscentAndDescent(maxAscent, maxDescent, maxPositionTop, maxPositionBottom);
LayoutUnit maxHeight = maxAscent + maxDescent;
LayoutUnit lineTop = heightOfBlock;
LayoutUnit lineBottom = heightOfBlock;
LayoutUnit lineTopIncludingMargins = heightOfBlock;
LayoutUnit lineBottomIncludingMargins = heightOfBlock;
bool setLineTop = false;
bool hasAnnotationsBefore = false;
bool hasAnnotationsAfter = false;
placeBoxesInBlockDirection(heightOfBlock, maxHeight, maxAscent, noQuirksMode, lineTop, lineBottom, setLineTop,
lineTopIncludingMargins, lineBottomIncludingMargins, hasAnnotationsBefore, hasAnnotationsAfter, baselineType());
m_hasAnnotationsBefore = hasAnnotationsBefore;
m_hasAnnotationsAfter = hasAnnotationsAfter;
maxHeight = std::max<LayoutUnit>(0, maxHeight); // FIXME: Is this really necessary?
setLineTopBottomPositions(lineTop, lineBottom, heightOfBlock, heightOfBlock + maxHeight);
setPaginatedLineWidth(blockFlow().availableLogicalWidthForContent(heightOfBlock));
LayoutUnit annotationsAdjustment = beforeAnnotationsAdjustment();
if (annotationsAdjustment) {
// FIXME: Need to handle pagination here. We might have to move to the next page/column as a result of the
// ruby expansion.
adjustBlockDirectionPosition(annotationsAdjustment);
heightOfBlock += annotationsAdjustment;
}
LayoutUnit gridSnapAdjustment = lineSnapAdjustment();
if (gridSnapAdjustment) {
adjustBlockDirectionPosition(gridSnapAdjustment);
heightOfBlock += gridSnapAdjustment;
}
return heightOfBlock + maxHeight;
}
void SVGRootInlineBox::layoutRootBox()
{
RenderBlock* parentBlock = block();
ASSERT(parentBlock);
IntRect childRect;
for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
// Skip generated content.
if (!child->renderer()->node())
continue;
childRect.unite(child->calculateBoundaries());
}
int xBlock = childRect.x();
int yBlock = childRect.y();
int widthBlock = childRect.width();
int heightBlock = childRect.height();
// Finally, assign the root block position, now that all content is laid out.
parentBlock->setLocation(xBlock, yBlock);
parentBlock->setWidth(widthBlock);
parentBlock->setHeight(heightBlock);
// Position all children relative to the parent block.
for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
// Skip generated content.
if (!child->renderer()->node())
continue;
child->adjustPosition(-xBlock, -yBlock);
}
// Position ourselves.
setX(0);
setY(0);
setLogicalWidth(widthBlock);
setLogicalHeight(heightBlock);
setBlockLogicalHeight(heightBlock);
setLineTopBottomPositions(0, heightBlock);
}
int RootInlineBox::verticallyAlignBoxes(int heightOfBlock, GlyphOverflowAndFallbackFontsMap& textBoxDataMap)
{
#if ENABLE(SVG)
// SVG will handle vertical alignment on its own.
if (isSVGRootInlineBox())
return 0;
#endif
int maxPositionTop = 0;
int maxPositionBottom = 0;
int maxAscent = 0;
int maxDescent = 0;
// Figure out if we're in strict mode. Note that we can't simply use !style()->htmlHacks(),
// because that would match almost strict mode as well.
RenderObject* curr = renderer();
while (curr && !curr->node())
curr = curr->container();
bool strictMode = (curr && curr->document()->inStrictMode());
computeLogicalBoxHeights(maxPositionTop, maxPositionBottom, maxAscent, maxDescent, strictMode, textBoxDataMap);
if (maxAscent + maxDescent < max(maxPositionTop, maxPositionBottom))
adjustMaxAscentAndDescent(maxAscent, maxDescent, maxPositionTop, maxPositionBottom);
int maxHeight = maxAscent + maxDescent;
int lineTop = heightOfBlock;
int lineBottom = heightOfBlock;
placeBoxesVertically(heightOfBlock, maxHeight, maxAscent, strictMode, lineTop, lineBottom);
computeVerticalOverflow(lineTop, lineBottom, strictMode, textBoxDataMap);
setLineTopBottomPositions(lineTop, lineBottom);
heightOfBlock += maxHeight;
return heightOfBlock;
}
