static inline InlineFlowBox* flowBoxForRenderer(RenderObject* renderer)
{
if (!renderer)
return 0;
if (renderer->isRenderBlock()) {
// If we're given a block element, it has to be a RenderSVGText.
ASSERT(renderer->isSVGText());
RenderBlock* renderBlock = toRenderBlock(renderer);
// RenderSVGText only ever contains a single line box.
InlineFlowBox* flowBox = renderBlock->firstLineBox();
ASSERT(flowBox == renderBlock->lastLineBox());
return flowBox;
}
if (renderer->isRenderInline()) {
// We're given a RenderSVGInline or objects that derive from it (RenderSVGTSpan / RenderSVGTextPath)
RenderInline* renderInline = toRenderInline(renderer);
// RenderSVGInline only ever contains a single line box.
InlineFlowBox* flowBox = renderInline->firstLineBox();
ASSERT(flowBox == renderInline->lastLineBox());
return flowBox;
}
ASSERT_NOT_REACHED();
return 0;
}
bool RenderVTTCue::findFirstLineBox(InlineFlowBox*& firstLineBox)
{
if (firstChild()->isRenderInline())
firstLineBox = toRenderInline(firstChild())->firstLineBox();
else
return false;
return true;
}
LayoutState::LayoutState(RenderBox& renderer, const LayoutSize& offset, LayoutUnit pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo, bool containingBlockLogicalWidthChanged)
: m_containingBlockLogicalWidthChanged(containingBlockLogicalWidthChanged)
, m_columnInfo(columnInfo)
, m_next(renderer.view()->layoutState())
, m_renderer(renderer)
{
m_flowThread = renderer.isRenderFlowThread() ? toRenderFlowThread(&renderer) : m_next->flowThread();
renderer.view()->pushLayoutState(*this);
bool fixed = renderer.isOutOfFlowPositioned() && renderer.style()->position() == FixedPosition;
if (fixed) {
// FIXME: This doesn't work correctly with transforms.
FloatPoint fixedOffset = renderer.view()->localToAbsolute(FloatPoint(), IsFixed);
m_layoutOffset = LayoutSize(fixedOffset.x(), fixedOffset.y()) + offset;
} else {
m_layoutOffset = m_next->m_layoutOffset + offset;
}
if (renderer.isOutOfFlowPositioned() && !fixed) {
if (RenderObject* container = renderer.container()) {
if (container->style()->hasInFlowPosition() && container->isRenderInline())
m_layoutOffset += toRenderInline(container)->offsetForInFlowPositionedInline(renderer);
}
}
// If we establish a new page height, then cache the offset to the top of the first page.
// We can compare this later on to figure out what part of the page we're actually on,
if (pageLogicalHeight || m_columnInfo || renderer.isRenderFlowThread()) {
m_pageLogicalHeight = pageLogicalHeight;
bool isFlipped = renderer.style()->isFlippedBlocksWritingMode();
m_pageOffset = LayoutSize(m_layoutOffset.width() + (!isFlipped ? renderer.borderLeft() + renderer.paddingLeft() : renderer.borderRight() + renderer.paddingRight()),
m_layoutOffset.height() + (!isFlipped ? renderer.borderTop() + renderer.paddingTop() : renderer.borderBottom() + renderer.paddingBottom()));
m_pageLogicalHeightChanged = pageLogicalHeightChanged;
m_isPaginated = true;
} else {
// If we don't establish a new page height, then propagate the old page height and offset down.
m_pageLogicalHeight = m_next->m_pageLogicalHeight;
m_pageLogicalHeightChanged = m_next->m_pageLogicalHeightChanged;
m_pageOffset = m_next->m_pageOffset;
// Disable pagination for objects we don't support. For now this includes overflow:scroll/auto, inline blocks and
// writing mode roots.
if (renderer.isUnsplittableForPagination()) {
m_pageLogicalHeight = 0;
m_isPaginated = false;
} else {
m_isPaginated = m_pageLogicalHeight || m_next->m_columnInfo || renderer.flowThreadContainingBlock();
}
}
if (!m_columnInfo)
m_columnInfo = m_next->m_columnInfo;
// FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
}
void RenderTextTrackCue::repositionGenericCue()
{
ASSERT(firstChild());
InlineFlowBox* firstLineBox = toRenderInline(firstChild())->firstLineBox();
if (static_cast<TextTrackCueGeneric*>(m_cue)->useDefaultPosition() && firstLineBox) {
LayoutUnit parentWidth = containingBlock()->logicalWidth();
LayoutUnit width = firstLineBox->width();
LayoutUnit right = (parentWidth / 2) - (width / 2);
setX(right);
}
repositionCueSnapToLinesNotSet();
}
static LayoutSize accumulateInFlowPositionOffsets(const RenderObject* child)
{
if (!child->isAnonymousBlock() || !child->isRelPositioned())
return LayoutSize();
LayoutSize offset;
RenderObject* p = toRenderBlock(child)->inlineElementContinuation();
while (p && p->isRenderInline()) {
if (p->isRelPositioned()) {
RenderInline* renderInline = toRenderInline(p);
offset += renderInline->offsetForInFlowPosition();
}
p = p->parent();
}
return offset;
}
bool RenderVTTCue::initializeLayoutParameters(InlineFlowBox*& firstLineBox, LayoutUnit& step, LayoutUnit& position)
{
ASSERT(firstChild());
RenderBlock* parentBlock = containingBlock();
firstLineBox = toRenderInline(firstChild())->firstLineBox();
if (!firstLineBox)
firstLineBox = this->firstRootBox();
// 1. Horizontal: Let step be the height of the first line box in boxes.
// Vertical: Let step be the width of the first line box in boxes.
step = m_cue->getWritingDirection() == VTTCue::Horizontal ? firstLineBox->height() : firstLineBox->width();
// 2. If step is zero, then jump to the step labeled done positioning below.
if (!step)
return false;
// 3. Let line position be the text track cue computed line position.
int linePosition = m_cue->calculateComputedLinePosition();
// 4. Vertical Growing Left: Add one to line position then negate it.
if (m_cue->getWritingDirection() == VTTCue::VerticalGrowingLeft)
linePosition = -(linePosition + 1);
// 5. Let position be the result of multiplying step and line position.
position = step * linePosition;
// 6. Vertical Growing Left: Decrease position by the width of the
// bounding box of the boxes in boxes, then increase position by step.
if (m_cue->getWritingDirection() == VTTCue::VerticalGrowingLeft) {
position -= width();
position += step;
}
// 7. If line position is less than zero...
if (linePosition < 0) {
// Horizontal / Vertical: ... then increase position by the
// height / width of the video's rendering area ...
position += m_cue->getWritingDirection() == VTTCue::Horizontal ? parentBlock->height() : parentBlock->width();
// ... and negate step.
step = -step;
}
return true;
}
LayoutState::LayoutState(LayoutState* prev, RenderBox* renderer, const IntSize& offset)
: m_next(prev)
#ifndef NDEBUG
, m_renderer(renderer)
#endif
{
ASSERT(m_next);
bool fixed = renderer->isPositioned() && renderer->style()->position() == FixedPosition;
if (fixed) {
// FIXME: This doesn't work correctly with transforms.
FloatPoint fixedOffset = renderer->view()->localToAbsolute(FloatPoint(), true);
m_offset = IntSize(fixedOffset.x(), fixedOffset.y()) + offset;
} else
m_offset = prev->m_offset + offset;
if (renderer->isRelPositioned()) {
if (renderer->hasLayer())
m_offset += renderer->layer()->relativePositionOffset();
} else if (renderer->isPositioned() && !fixed) {
if (RenderObject* container = renderer->container()) {
if (container->isRelPositioned() && container->isRenderInline())
m_offset += toRenderInline(container)->relativePositionedInlineOffset(renderer);
}
}
m_clipped = !fixed && prev->m_clipped;
if (m_clipped)
m_clipRect = prev->m_clipRect;
if (renderer->hasOverflowClip()) {
RenderLayer* layer = renderer->layer();
IntRect clipRect(toPoint(m_offset) + renderer->view()->layoutDelta(), layer->size());
if (m_clipped)
m_clipRect.intersect(clipRect);
else {
m_clipRect = clipRect;
m_clipped = true;
}
m_offset -= layer->scrolledContentOffset();
}
m_layoutDelta = m_next->m_layoutDelta;
// FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
}
void RenderTextTrackCue::repositionGenericCue()
{
TextTrackCueGeneric* cue = static_cast<TextTrackCueGeneric*>(m_cue);
if (!cue->useDefaultPosition())
return;
ASSERT(firstChild());
InlineFlowBox* firstLineBox = toRenderInline(firstChild())->firstLineBox();
if (!firstLineBox)
return;
LayoutUnit parentWidth = containingBlock()->logicalWidth();
LayoutUnit width = firstLineBox->width();
LayoutUnit right = (parentWidth / 2) - (width / 2);
setX(right);
}
LayoutRect RenderRegion::visualOverflowRectForBox(const RenderBoxModelObject* box)
{
if (box->isRenderInline()) {
const RenderInline* inlineBox = toRenderInline(box);
return inlineBox->linesVisualOverflowBoundingBoxInRegion(this);
}
if (box->isBox()) {
RefPtr<RenderOverflow> overflow;
ensureOverflowForBox(toRenderBox(box), overflow, true);
ASSERT(overflow);
return overflow->visualOverflowRect();
}
ASSERT_NOT_REACHED();
return LayoutRect();
}
void RenderObjectChildList::updateBeforeAfterContent(RenderObject* owner, PseudoId type, RenderObject* styledObject)
{
// Double check that the document did in fact use generated content rules. Otherwise we should not have been called.
ASSERT(owner->document()->usesBeforeAfterRules());
// In CSS2, before/after pseudo-content cannot nest. Check this first.
if (owner->style()->styleType() == BEFORE || owner->style()->styleType() == AFTER)
return;
if (!styledObject)
styledObject = owner;
RenderStyle* pseudoElementStyle = styledObject->getCachedPseudoStyle(type);
RenderObject* child = beforeAfterContainer(owner, type);
// Whether or not we currently have generated content attached.
bool oldContentPresent = child;
// Whether or not we now want generated content.
bool newContentWanted = pseudoElementStyle && pseudoElementStyle->display() != NONE;
// For <q><p/></q>, if this object is the inline continuation of the <q>, we only want to generate
// :after content and not :before content.
if (newContentWanted && type == BEFORE && owner->isRenderInline() && toRenderInline(owner)->isInlineContinuation())
newContentWanted = false;
// Similarly, if we're the beginning of a <q>, and there's an inline continuation for our object,
// then we don't generate the :after content.
if (newContentWanted && type == AFTER && owner->isRenderInline() && toRenderInline(owner)->continuation())
newContentWanted = false;
// If we don't want generated content any longer, or if we have generated content, but it's no longer
// identical to the new content data we want to build render objects for, then we nuke all
// of the old generated content.
if (!newContentWanted || (oldContentPresent && Node::diff(child->style(), pseudoElementStyle) == Node::Detach)) {
// Nuke the child.
if (child && child->style()->styleType() == type) {
oldContentPresent = false;
child->destroy();
child = (type == BEFORE) ? owner->virtualChildren()->firstChild() : owner->virtualChildren()->lastChild();
}
}
// If we have no pseudo-element style or if the pseudo-element style's display type is NONE, then we
// have no generated content and can now return.
if (!newContentWanted)
return;
if (owner->isRenderInline() && !pseudoElementStyle->isDisplayInlineType() && pseudoElementStyle->floating() == FNONE &&
!(pseudoElementStyle->position() == AbsolutePosition || pseudoElementStyle->position() == FixedPosition))
// According to the CSS2 spec (the end of section 12.1), the only allowed
// display values for the pseudo style are NONE and INLINE for inline flows.
// FIXME: CSS2.1 lifted this restriction, but block display types will crash.
// For now we at least relax the restriction to allow all inline types like inline-block
// and inline-table.
pseudoElementStyle->setDisplay(INLINE);
if (oldContentPresent) {
if (child && child->style()->styleType() == type) {
// We have generated content present still. We want to walk this content and update our
// style information with the new pseudo-element style.
child->setStyle(pseudoElementStyle);
RenderObject* beforeAfterParent = findBeforeAfterParent(child);
if (!beforeAfterParent)
return;
// Note that if we ever support additional types of generated content (which should be way off
// in the future), this code will need to be patched.
for (RenderObject* genChild = beforeAfterParent->firstChild(); genChild; genChild = genChild->nextSibling()) {
if (genChild->isText())
// Generated text content is a child whose style also needs to be set to the pseudo-element style.
genChild->setStyle(pseudoElementStyle);
else if (genChild->isImage()) {
// Images get an empty style that inherits from the pseudo.
RefPtr<RenderStyle> style = RenderStyle::create();
style->inheritFrom(pseudoElementStyle);
genChild->setStyle(style.release());
} else
// Must be a first-letter container. updateFirstLetter() will take care of it.
ASSERT(genChild->style()->styleType() == FIRST_LETTER);
}
}
return; // We've updated the generated content. That's all we needed to do.
}
RenderObject* insertBefore = (type == BEFORE) ? owner->virtualChildren()->firstChild() : 0;
// Generated content consists of a single container that houses multiple children (specified
// by the content property). This generated content container gets the pseudo-element style set on it.
RenderObject* generatedContentContainer = 0;
// Walk our list of generated content and create render objects for each.
for (const ContentData* content = pseudoElementStyle->contentData(); content; content = content->next()) {
RenderObject* renderer = 0;
switch (content->type()) {
case CONTENT_NONE:
break;
case CONTENT_TEXT:
renderer = new (owner->renderArena()) RenderTextFragment(owner->document() /* anonymous object */, content->text());
renderer->setStyle(pseudoElementStyle);
break;
case CONTENT_OBJECT: {
RenderImageGeneratedContent* image = new (owner->renderArena()) RenderImageGeneratedContent(owner->document()); // anonymous object
RefPtr<RenderStyle> style = RenderStyle::create();
style->inheritFrom(pseudoElementStyle);
image->setStyle(style.release());
if (StyleImage* styleImage = content->image())
image->setStyleImage(styleImage);
renderer = image;
break;
}
case CONTENT_COUNTER:
renderer = new (owner->renderArena()) RenderCounter(owner->document(), *content->counter());
renderer->setStyle(pseudoElementStyle);
break;
}
if (renderer) {
if (!generatedContentContainer) {
// Make a generated box that might be any display type now that we are able to drill down into children
// to find the original content properly.
generatedContentContainer = RenderObject::createObject(owner->document(), pseudoElementStyle);
generatedContentContainer->setStyle(pseudoElementStyle);
owner->addChild(generatedContentContainer, insertBefore);
}
generatedContentContainer->addChild(renderer);
}
}
}
void RenderLineBoxList::dirtyLinesFromChangedChild(RenderObject* container, RenderObject* child)
{
if (!container->parent() || (container->isRenderBlock() && (container->selfNeedsLayout() || !container->isBlockFlow())))
return;
// If we have no first line box, then just bail early.
if (!firstLineBox()) {
// For an empty inline, go ahead and propagate the check up to our parent, unless the parent
// is already dirty.
if (container->isInline() && !container->parent()->selfNeedsLayout())
container->parent()->dirtyLinesFromChangedChild(container);
return;
}
// Try to figure out which line box we belong in. First try to find a previous
// line box by examining our siblings. If we didn't find a line box, then use our
// parent's first line box.
RootInlineBox* box = 0;
RenderObject* curr = 0;
for (curr = child->previousSibling(); curr; curr = curr->previousSibling()) {
if (curr->isFloatingOrPositioned())
continue;
if (curr->isReplaced()) {
InlineBox* wrapper = toRenderBox(curr)->inlineBoxWrapper();
if (wrapper)
box = wrapper->root();
} else if (curr->isText()) {
InlineTextBox* textBox = toRenderText(curr)->lastTextBox();
if (textBox)
box = textBox->root();
} else if (curr->isRenderInline()) {
InlineFlowBox* flowBox = toRenderInline(curr)->lastLineBox();
if (flowBox)
box = flowBox->root();
}
if (box)
break;
}
if (!box)
box = firstLineBox()->root();
// If we found a line box, then dirty it.
if (box) {
RootInlineBox* adjacentBox;
box->markDirty();
// dirty the adjacent lines that might be affected
// NOTE: we dirty the previous line because RootInlineBox objects cache
// the address of the first object on the next line after a BR, which we may be
// invalidating here. For more info, see how RenderBlock::layoutInlineChildren
// calls setLineBreakInfo with the result of findNextLineBreak. findNextLineBreak,
// despite the name, actually returns the first RenderObject after the BR.
// <rdar://problem/3849947> "Typing after pasting line does not appear until after window resize."
adjacentBox = box->prevRootBox();
if (adjacentBox)
adjacentBox->markDirty();
if (child->isBR() || (curr && curr->isBR())) {
adjacentBox = box->nextRootBox();
if (adjacentBox)
adjacentBox->markDirty();
}
}
}
LayoutPoint RenderFlowThread::adjustedPositionRelativeToOffsetParent(const RenderBoxModelObject& boxModelObject, const LayoutPoint& startPoint)
{
LayoutPoint referencePoint = startPoint;
// FIXME: This needs to be adapted for different writing modes inside the flow thread.
RenderMultiColumnSet* startColumnSet = columnSetAtBlockOffset(referencePoint.y());
if (startColumnSet) {
// Take into account the offset coordinates of the columnSet.
RenderObject* currObject = startColumnSet;
RenderObject* currOffsetParentRenderer;
Element* currOffsetParentElement;
while ((currOffsetParentElement = currObject->offsetParent()) && (currOffsetParentRenderer = currOffsetParentElement->renderer())) {
if (currObject->isBoxModelObject())
referencePoint.move(toRenderBoxModelObject(currObject)->offsetLeft(), toRenderBoxModelObject(currObject)->offsetTop());
// Since we're looking for the offset relative to the body, we must also
// take into consideration the borders of the columnSet's offsetParent.
if (currOffsetParentRenderer->isBox() && !currOffsetParentRenderer->isBody())
referencePoint.move(toRenderBox(currOffsetParentRenderer)->borderLeft(), toRenderBox(currOffsetParentRenderer)->borderTop());
currObject = currOffsetParentRenderer;
}
// We need to check if any of this box's containing blocks start in a different columnSet
// and if so, drop the object's top position (which was computed relative to its containing block
// and is no longer valid) and recompute it using the columnSet in which it flows as reference.
bool wasComputedRelativeToOtherRegion = false;
const RenderBlock* objContainingBlock = boxModelObject.containingBlock();
while (objContainingBlock) {
// Check if this object is in a different columnSet.
RenderMultiColumnSet* parentStartRegion = 0;
RenderMultiColumnSet* parentEndRegion = 0;
getRegionRangeForBox(objContainingBlock, parentStartRegion, parentEndRegion);
if (parentStartRegion && parentStartRegion != startColumnSet) {
wasComputedRelativeToOtherRegion = true;
break;
}
objContainingBlock = objContainingBlock->containingBlock();
}
if (wasComputedRelativeToOtherRegion) {
// Get the logical top coordinate of the current object.
LayoutUnit top = 0;
if (boxModelObject.isRenderBlock()) {
top = toRenderBlock(&boxModelObject)->offsetFromLogicalTopOfFirstPage();
} else {
if (boxModelObject.containingBlock())
top = boxModelObject.containingBlock()->offsetFromLogicalTopOfFirstPage();
if (boxModelObject.isBox())
top += toRenderBox(&boxModelObject)->topLeftLocation().y();
else if (boxModelObject.isRenderInline())
top -= toRenderInline(&boxModelObject)->borderTop();
}
// Get the logical top of the columnSet this object starts in
// and compute the object's top, relative to the columnSet's top.
LayoutUnit regionLogicalTop = startColumnSet->pageLogicalTopForOffset(top);
LayoutUnit topRelativeToRegion = top - regionLogicalTop;
referencePoint.setY(startColumnSet->offsetTop() + topRelativeToRegion);
// Since the top has been overriden, check if the
// relative positioning must be reconsidered.
if (boxModelObject.isRelPositioned())
referencePoint.move(0, boxModelObject.relativePositionOffset().height());
}
// Since we're looking for the offset relative to the body, we must also
// take into consideration the borders of the columnSet.
referencePoint.move(startColumnSet->borderLeft(), startColumnSet->borderTop());
}
return referencePoint;
}
void RenderNamedFlowThread::getRanges(Vector<RefPtr<Range> >& rangeObjects, const RenderRegion* region) const
{
LayoutUnit logicalTopForRegion;
LayoutUnit logicalBottomForRegion;
// extend the first region top to contain everything up to its logical height
if (region->isFirstRegion())
logicalTopForRegion = LayoutUnit::min();
else
logicalTopForRegion = region->logicalTopForFlowThreadContent();
// extend the last region to contain everything above its y()
if (region->isLastRegion())
logicalBottomForRegion = LayoutUnit::max();
else
logicalBottomForRegion = region->logicalBottomForFlowThreadContent();
Vector<Node*> nodes;
// eliminate the contentNodes that are descendants of other contentNodes
for (NamedFlowContentNodes::const_iterator it = contentNodes().begin(); it != contentNodes().end(); ++it) {
Node* node = *it;
if (!isContainedInNodes(nodes, node))
nodes.append(node);
}
for (size_t i = 0; i < nodes.size(); i++) {
Node* contentNode = nodes.at(i);
if (!contentNode->renderer())
continue;
RefPtr<Range> range = Range::create(contentNode->document());
bool foundStartPosition = false;
bool startsAboveRegion = true;
bool endsBelowRegion = true;
bool skipOverOutsideNodes = false;
Node* lastEndNode = 0;
for (Node* node = contentNode; node; node = nextNodeInsideContentNode(node, contentNode)) {
RenderObject* renderer = node->renderer();
if (!renderer)
continue;
LayoutRect boundingBox;
if (renderer->isRenderInline())
boundingBox = toRenderInline(renderer)->linesBoundingBox();
else if (renderer->isText())
boundingBox = toRenderText(renderer)->linesBoundingBox();
else {
boundingBox = toRenderBox(renderer)->frameRect();
if (toRenderBox(renderer)->isRelPositioned())
boundingBox.move(toRenderBox(renderer)->relativePositionLogicalOffset());
}
LayoutUnit offsetTop = renderer->containingBlock()->offsetFromLogicalTopOfFirstPage();
const LayoutPoint logicalOffsetFromTop(isHorizontalWritingMode() ? LayoutUnit() : offsetTop,
isHorizontalWritingMode() ? offsetTop : LayoutUnit());
boundingBox.moveBy(logicalOffsetFromTop);
LayoutUnit logicalTopForRenderer = region->logicalTopOfFlowThreadContentRect(boundingBox);
LayoutUnit logicalBottomForRenderer = region->logicalBottomOfFlowThreadContentRect(boundingBox);
// if the bounding box of the current element doesn't intersect the region box
// close the current range only if the start element began inside the region,
// otherwise just move the start position after this node and keep skipping them until we found a proper start position.
if (!boxIntersectsRegion(logicalTopForRenderer, logicalBottomForRenderer, logicalTopForRegion, logicalBottomForRegion)) {
if (foundStartPosition) {
if (!startsAboveRegion) {
if (range->intersectsNode(node, IGNORE_EXCEPTION))
range->setEndBefore(node, IGNORE_EXCEPTION);
rangeObjects.append(range->cloneRange(IGNORE_EXCEPTION));
range = Range::create(contentNode->document());
startsAboveRegion = true;
} else
skipOverOutsideNodes = true;
}
if (skipOverOutsideNodes)
range->setStartAfter(node, IGNORE_EXCEPTION);
foundStartPosition = false;
continue;
}
// start position
if (logicalTopForRenderer < logicalTopForRegion && startsAboveRegion) {
if (renderer->isText()) { // Text crosses region top
// for Text elements, just find the last textbox that is contained inside the region and use its start() offset as start position
RenderText* textRenderer = toRenderText(renderer);
for (InlineTextBox* box = textRenderer->firstTextBox(); box; box = box->nextTextBox()) {
if (offsetTop + box->logicalBottom() < logicalTopForRegion)
continue;
range->setStart(Position(toText(node), box->start()));
startsAboveRegion = false;
break;
}
} else { // node crosses region top
// for all elements, except Text, just set the start position to be before their children
startsAboveRegion = true;
range->setStart(Position(node, Position::PositionIsBeforeChildren));
}
} else { // node starts inside region
// for elements that start inside the region, set the start position to be before them. If we found one, we will just skip the others until
// the range is closed.
if (startsAboveRegion) {
startsAboveRegion = false;
range->setStartBefore(node, IGNORE_EXCEPTION);
}
}
skipOverOutsideNodes = false;
foundStartPosition = true;
// end position
if (logicalBottomForRegion < logicalBottomForRenderer && (endsBelowRegion || (!endsBelowRegion && !node->isDescendantOf(lastEndNode)))) {
// for Text elements, just find just find the last textbox that is contained inside the region and use its start()+len() offset as end position
if (renderer->isText()) { // Text crosses region bottom
RenderText* textRenderer = toRenderText(renderer);
InlineTextBox* lastBox = 0;
for (InlineTextBox* box = textRenderer->firstTextBox(); box; box = box->nextTextBox()) {
if ((offsetTop + box->logicalTop()) < logicalBottomForRegion) {
lastBox = box;
continue;
}
ASSERT(lastBox);
if (lastBox)
range->setEnd(Position(toText(node), lastBox->start() + lastBox->len()));
break;
}
endsBelowRegion = false;
lastEndNode = node;
} else { // node crosses region bottom
// for all elements, except Text, just set the start position to be after their children
range->setEnd(Position(node, Position::PositionIsAfterChildren));
endsBelowRegion = true;
lastEndNode = node;
}
} else { // node ends inside region
// for elements that ends inside the region, set the end position to be after them
// allow this end position to be changed only by other elements that are not descendants of the current end node
if (endsBelowRegion || (!endsBelowRegion && !node->isDescendantOf(lastEndNode))) {
range->setEndAfter(node, IGNORE_EXCEPTION);
endsBelowRegion = false;
lastEndNode = node;
}
}
}
if (foundStartPosition || skipOverOutsideNodes)
rangeObjects.append(range);
}
}
void SimplifyMarkupCommand::doApply()
{
ContainerNode* rootNode = m_firstNode->parentNode();
WillBeHeapVector<RefPtrWillBeMember<ContainerNode>> nodesToRemove;
// Walk through the inserted nodes, to see if there are elements that could be removed
// without affecting the style. The goal is to produce leaner markup even when starting
// from a verbose fragment.
// We look at inline elements as well as non top level divs that don't have attributes.
for (Node* node = m_firstNode.get(); node && node != m_nodeAfterLast; node = NodeTraversal::next(*node)) {
if (node->hasChildren() || (node->isTextNode() && node->nextSibling()))
continue;
ContainerNode* startingNode = node->parentNode();
if (!startingNode)
continue;
RenderStyle* startingStyle = startingNode->renderStyle();
if (!startingStyle)
continue;
ContainerNode* currentNode = startingNode;
ContainerNode* topNodeWithStartingStyle = nullptr;
while (currentNode != rootNode) {
if (currentNode->parentNode() != rootNode && isRemovableBlock(currentNode))
nodesToRemove.append(currentNode);
currentNode = currentNode->parentNode();
if (!currentNode)
break;
if (!currentNode->renderer() || !currentNode->renderer()->isRenderInline() || toRenderInline(currentNode->renderer())->alwaysCreateLineBoxes())
continue;
if (currentNode->firstChild() != currentNode->lastChild()) {
topNodeWithStartingStyle = 0;
break;
}
if (!currentNode->renderStyle()->visualInvalidationDiff(*startingStyle).hasDifference())
topNodeWithStartingStyle = currentNode;
}
if (topNodeWithStartingStyle) {
for (ContainerNode* node = startingNode; node != topNodeWithStartingStyle; node = node->parentNode())
nodesToRemove.append(node);
}
}
// we perform all the DOM mutations at once.
for (size_t i = 0; i < nodesToRemove.size(); ++i) {
// FIXME: We can do better by directly moving children from nodesToRemove[i].
int numPrunedAncestors = pruneSubsequentAncestorsToRemove(nodesToRemove, i);
if (numPrunedAncestors < 0)
continue;
removeNodePreservingChildren(nodesToRemove[i], AssumeContentIsAlwaysEditable);
i += numPrunedAncestors;
}
}
void SVGInlineTextBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit, LayoutUnit)
{
ASSERT(paintInfo.shouldPaintWithinRoot(renderer()));
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(truncation() == cNoTruncation);
if (renderer().style().visibility() != VISIBLE)
return;
// Note: We're explicitely not supporting composition & custom underlines and custom highlighters - unlike InlineTextBox.
// If we ever need that for SVG, it's very easy to refactor and reuse the code.
RenderObject& parentRenderer = parent()->renderer();
bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
bool hasSelection = !parentRenderer.document().printing() && selectionState() != RenderObject::SelectionNone;
if (!hasSelection && paintSelectedTextOnly)
return;
if (!textShouldBePainted(renderer()))
return;
RenderStyle& style = parentRenderer.style();
const SVGRenderStyle& svgStyle = style.svgStyle();
bool hasFill = svgStyle.hasFill();
bool hasVisibleStroke = svgStyle.hasVisibleStroke();
RenderStyle* selectionStyle = &style;
if (hasSelection) {
selectionStyle = parentRenderer.getCachedPseudoStyle(SELECTION);
if (selectionStyle) {
const SVGRenderStyle& svgSelectionStyle = selectionStyle->svgStyle();
if (!hasFill)
hasFill = svgSelectionStyle.hasFill();
if (!hasVisibleStroke)
hasVisibleStroke = svgSelectionStyle.hasVisibleStroke();
} else
selectionStyle = &style;
}
if (renderer().view().frameView().paintBehavior() & PaintBehaviorRenderingSVGMask) {
hasFill = true;
hasVisibleStroke = false;
}
AffineTransform fragmentTransform;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
SVGTextFragment& fragment = m_textFragments.at(i);
ASSERT(!m_paintingResource);
GraphicsContextStateSaver stateSaver(*paintInfo.context);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
paintInfo.context->concatCTM(fragmentTransform);
// Spec: All text decorations except line-through should be drawn before the text is filled and stroked; thus, the text is rendered on top of these decorations.
int decorations = style.textDecorationsInEffect();
if (decorations & TextDecorationUnderline)
paintDecoration(paintInfo.context, TextDecorationUnderline, fragment);
if (decorations & TextDecorationOverline)
paintDecoration(paintInfo.context, TextDecorationOverline, fragment);
Vector<PaintType> paintOrder = style.svgStyle().paintTypesForPaintOrder();
for (unsigned i = 0; i < paintOrder.size(); ++i) {
switch (paintOrder.at(i)) {
case PaintTypeFill:
if (!hasFill)
continue;
m_paintingResourceMode = ApplyToFillMode | ApplyToTextMode;
paintText(paintInfo.context, &style, selectionStyle, fragment, hasSelection, paintSelectedTextOnly);
break;
case PaintTypeStroke:
if (!hasVisibleStroke)
continue;
m_paintingResourceMode = ApplyToStrokeMode | ApplyToTextMode;
paintText(paintInfo.context, &style, selectionStyle, fragment, hasSelection, paintSelectedTextOnly);
break;
case PaintTypeMarkers:
continue;
}
}
// Spec: Line-through should be drawn after the text is filled and stroked; thus, the line-through is rendered on top of the text.
if (decorations & TextDecorationLineThrough)
paintDecoration(paintInfo.context, TextDecorationLineThrough, fragment);
m_paintingResourceMode = ApplyToDefaultMode;
}
// Finally, paint the outline if any.
if (renderer().style().hasOutline() && parentRenderer.isRenderInline())
toRenderInline(parentRenderer).paintOutline(paintInfo, paintOffset);
ASSERT(!m_paintingResource);
}
static void buildRendererHighlight(RenderObject* renderer, RenderRegion* region, const HighlightConfig& highlightConfig, Highlight* highlight, InspectorOverlay::CoordinateSystem coordinateSystem)
{
Frame* containingFrame = renderer->document().frame();
if (!containingFrame)
return;
highlight->setDataFromConfig(highlightConfig);
FrameView* containingView = containingFrame->view();
FrameView* mainView = containingFrame->page()->mainFrame().view();
// RenderSVGRoot should be highlighted through the isBox() code path, all other SVG elements should just dump their absoluteQuads().
bool isSVGRenderer = renderer->node() && renderer->node()->isSVGElement() && !renderer->isSVGRoot();
if (isSVGRenderer) {
highlight->type = HighlightTypeRects;
renderer->absoluteQuads(highlight->quads);
for (size_t i = 0; i < highlight->quads.size(); ++i)
contentsQuadToCoordinateSystem(mainView, containingView, highlight->quads[i], coordinateSystem);
} else if (renderer->isBox() || renderer->isRenderInline()) {
LayoutRect contentBox;
LayoutRect paddingBox;
LayoutRect borderBox;
LayoutRect marginBox;
if (renderer->isBox()) {
RenderBox* renderBox = toRenderBox(renderer);
LayoutBoxExtent margins(renderBox->marginTop(), renderBox->marginRight(), renderBox->marginBottom(), renderBox->marginLeft());
if (!renderBox->isOutOfFlowPositioned() && region) {
RenderBox::LogicalExtentComputedValues computedValues;
renderBox->computeLogicalWidthInRegion(computedValues, region);
margins.mutableLogicalLeft(renderBox->style().writingMode()) = computedValues.m_margins.m_start;
margins.mutableLogicalRight(renderBox->style().writingMode()) = computedValues.m_margins.m_end;
}
paddingBox = renderBox->clientBoxRectInRegion(region);
contentBox = LayoutRect(paddingBox.x() + renderBox->paddingLeft(), paddingBox.y() + renderBox->paddingTop(),
paddingBox.width() - renderBox->paddingLeft() - renderBox->paddingRight(), paddingBox.height() - renderBox->paddingTop() - renderBox->paddingBottom());
borderBox = LayoutRect(paddingBox.x() - renderBox->borderLeft(), paddingBox.y() - renderBox->borderTop(),
paddingBox.width() + renderBox->borderLeft() + renderBox->borderRight(), paddingBox.height() + renderBox->borderTop() + renderBox->borderBottom());
marginBox = LayoutRect(borderBox.x() - margins.left(), borderBox.y() - margins.top(),
borderBox.width() + margins.left() + margins.right(), borderBox.height() + margins.top() + margins.bottom());
} else {
RenderInline* renderInline = toRenderInline(renderer);
// RenderInline's bounding box includes paddings and borders, excludes margins.
borderBox = renderInline->linesBoundingBox();
paddingBox = LayoutRect(borderBox.x() + renderInline->borderLeft(), borderBox.y() + renderInline->borderTop(),
borderBox.width() - renderInline->borderLeft() - renderInline->borderRight(), borderBox.height() - renderInline->borderTop() - renderInline->borderBottom());
contentBox = LayoutRect(paddingBox.x() + renderInline->paddingLeft(), paddingBox.y() + renderInline->paddingTop(),
paddingBox.width() - renderInline->paddingLeft() - renderInline->paddingRight(), paddingBox.height() - renderInline->paddingTop() - renderInline->paddingBottom());
// Ignore marginTop and marginBottom for inlines.
marginBox = LayoutRect(borderBox.x() - renderInline->marginLeft(), borderBox.y(),
borderBox.width() + renderInline->horizontalMarginExtent(), borderBox.height());
}
FloatQuad absContentQuad;
FloatQuad absPaddingQuad;
FloatQuad absBorderQuad;
FloatQuad absMarginQuad;
if (region) {
RenderFlowThread* flowThread = region->flowThread();
// Figure out the quads in the space of the RenderFlowThread.
absContentQuad = renderer->localToContainerQuad(FloatRect(contentBox), flowThread);
absPaddingQuad = renderer->localToContainerQuad(FloatRect(paddingBox), flowThread);
absBorderQuad = renderer->localToContainerQuad(FloatRect(borderBox), flowThread);
absMarginQuad = renderer->localToContainerQuad(FloatRect(marginBox), flowThread);
// Move the quad relative to the space of the current region.
LayoutRect flippedRegionRect(region->flowThreadPortionRect());
flowThread->flipForWritingMode(flippedRegionRect);
FloatSize delta = region->contentBoxRect().location() - flippedRegionRect.location();
absContentQuad.move(delta);
absPaddingQuad.move(delta);
absBorderQuad.move(delta);
absMarginQuad.move(delta);
// Resolve the absolute quads starting from the current region.
absContentQuad = region->localToAbsoluteQuad(absContentQuad);
absPaddingQuad = region->localToAbsoluteQuad(absPaddingQuad);
absBorderQuad = region->localToAbsoluteQuad(absBorderQuad);
absMarginQuad = region->localToAbsoluteQuad(absMarginQuad);
} else {
absContentQuad = renderer->localToAbsoluteQuad(FloatRect(contentBox));
absPaddingQuad = renderer->localToAbsoluteQuad(FloatRect(paddingBox));
absBorderQuad = renderer->localToAbsoluteQuad(FloatRect(borderBox));
absMarginQuad = renderer->localToAbsoluteQuad(FloatRect(marginBox));
}
contentsQuadToCoordinateSystem(mainView, containingView, absContentQuad, coordinateSystem);
contentsQuadToCoordinateSystem(mainView, containingView, absPaddingQuad, coordinateSystem);
contentsQuadToCoordinateSystem(mainView, containingView, absBorderQuad, coordinateSystem);
contentsQuadToCoordinateSystem(mainView, containingView, absMarginQuad, coordinateSystem);
highlight->type = HighlightTypeNode;
highlight->quads.append(absMarginQuad);
highlight->quads.append(absBorderQuad);
highlight->quads.append(absPaddingQuad);
highlight->quads.append(absContentQuad);
}
}
LayoutState::LayoutState(LayoutState* prev, RenderBox* renderer, const IntSize& offset, int pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo)
: m_columnInfo(columnInfo)
, m_next(prev)
#ifndef NDEBUG
, m_renderer(renderer)
#endif
{
ASSERT(m_next);
bool fixed = renderer->isPositioned() && renderer->style()->position() == FixedPosition;
if (fixed) {
// FIXME: This doesn't work correctly with transforms.
FloatPoint fixedOffset = renderer->view()->localToAbsolute(FloatPoint(), true);
m_paintOffset = IntSize(fixedOffset.x(), fixedOffset.y()) + offset;
} else
m_paintOffset = prev->m_paintOffset + offset;
if (renderer->isPositioned() && !fixed) {
if (RenderObject* container = renderer->container()) {
if (container->isRelPositioned() && container->isRenderInline())
m_paintOffset += toRenderInline(container)->relativePositionedInlineOffset(renderer);
}
}
m_layoutOffset = m_paintOffset;
if (renderer->isRelPositioned() && renderer->hasLayer())
m_paintOffset += renderer->layer()->relativePositionOffset();
m_clipped = !fixed && prev->m_clipped;
if (m_clipped)
m_clipRect = prev->m_clipRect;
if (renderer->hasOverflowClip()) {
RenderLayer* layer = renderer->layer();
IntRect clipRect(toPoint(m_paintOffset) + renderer->view()->layoutDelta(), layer->size());
if (m_clipped)
m_clipRect.intersect(clipRect);
else {
m_clipRect = clipRect;
m_clipped = true;
}
m_paintOffset -= layer->scrolledContentOffset();
}
// If we establish a new page height, then cache the offset to the top of the first page.
// We can compare this later on to figure out what part of the page we're actually on,
if (pageLogicalHeight || m_columnInfo) {
m_pageLogicalHeight = pageLogicalHeight;
m_pageOffset = IntSize(m_layoutOffset.width() + renderer->borderLeft() + renderer->paddingLeft(),
m_layoutOffset.height() + renderer->borderTop() + renderer->paddingTop());
m_pageLogicalHeightChanged = pageLogicalHeightChanged;
} else {
// If we don't establish a new page height, then propagate the old page height and offset down.
m_pageLogicalHeight = m_next->m_pageLogicalHeight;
m_pageLogicalHeightChanged = m_next->m_pageLogicalHeightChanged;
m_pageOffset = m_next->m_pageOffset;
// Disable pagination for objects we don't support. For now this includes overflow:scroll/auto and inline blocks.
if (renderer->isReplaced() || renderer->scrollsOverflow())
m_pageLogicalHeight = 0;
}
if (!m_columnInfo)
m_columnInfo = m_next->m_columnInfo;
m_layoutDelta = m_next->m_layoutDelta;
// FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
}
void RenderLineBoxList::dirtyLinesFromChangedChild(RenderObject* container, RenderObject* child)
{
if (!container->parent() || (container->isRenderBlock() && (container->selfNeedsLayout() || !container->isRenderBlockFlow())))
return;
RenderInline* inlineContainer = container->isRenderInline() ? toRenderInline(container) : 0;
InlineBox* firstBox = inlineContainer ? inlineContainer->firstLineBoxIncludingCulling() : firstLineBox();
// If we have no first line box, then just bail early.
if (!firstBox) {
// For an empty inline, go ahead and propagate the check up to our parent, unless the parent
// is already dirty.
if (container->isInline() && !container->ancestorLineBoxDirty()) {
container->parent()->dirtyLinesFromChangedChild(container);
container->setAncestorLineBoxDirty(); // Mark the container to avoid dirtying the same lines again across multiple destroy() calls of the same subtree.
}
return;
}
// Try to figure out which line box we belong in. First try to find a previous
// line box by examining our siblings. If we didn't find a line box, then use our
// parent's first line box.
RootInlineBox* box = 0;
RenderObject* curr = 0;
for (curr = child->previousSibling(); curr; curr = curr->previousSibling()) {
if (curr->isFloatingOrOutOfFlowPositioned())
continue;
if (curr->isReplaced()) {
InlineBox* wrapper = toRenderBox(curr)->inlineBoxWrapper();
if (wrapper)
box = &wrapper->root();
} else if (curr->isText()) {
InlineTextBox* textBox = toRenderText(curr)->lastTextBox();
if (textBox)
box = &textBox->root();
} else if (curr->isRenderInline()) {
InlineBox* lastSiblingBox = toRenderInline(curr)->lastLineBoxIncludingCulling();
if (lastSiblingBox)
box = &lastSiblingBox->root();
}
if (box)
break;
}
if (!box) {
if (inlineContainer && !inlineContainer->alwaysCreateLineBoxes()) {
// https://bugs.webkit.org/show_bug.cgi?id=60778
// We may have just removed a <br> with no line box that was our first child. In this case
// we won't find a previous sibling, but firstBox can be pointing to a following sibling.
// This isn't good enough, since we won't locate the root line box that encloses the removed
// <br>. We have to just over-invalidate a bit and go up to our parent.
if (!inlineContainer->ancestorLineBoxDirty()) {
inlineContainer->parent()->dirtyLinesFromChangedChild(inlineContainer);
inlineContainer->setAncestorLineBoxDirty(); // Mark the container to avoid dirtying the same lines again across multiple destroy() calls of the same subtree.
}
return;
}
box = &firstBox->root();
}
// If we found a line box, then dirty it.
if (box) {
RootInlineBox* adjacentBox;
box->markDirty();
// dirty the adjacent lines that might be affected
// NOTE: we dirty the previous line because RootInlineBox objects cache
// the address of the first object on the next line after a BR, which we may be
// invalidating here. For more info, see how RenderBlock::layoutInlineChildren
// calls setLineBreakInfo with the result of findNextLineBreak. findNextLineBreak,
// despite the name, actually returns the first RenderObject after the BR.
// <rdar://problem/3849947> "Typing after pasting line does not appear until after window resize."
adjacentBox = box->prevRootBox();
if (adjacentBox)
adjacentBox->markDirty();
adjacentBox = box->nextRootBox();
// If |child| has been inserted before the first element in the linebox, but after collapsed leading
// space, the search for |child|'s linebox will go past the leading space to the previous linebox and select that
// one as |box|. If we hit that situation here, dirty the |box| actually containing the child too.
bool insertedAfterLeadingSpace = box->lineBreakObj() == child->previousSibling();
if (adjacentBox && (adjacentBox->lineBreakObj() == child || child->isBR() || (curr && curr->isBR())
|| insertedAfterLeadingSpace || isIsolated(container->style()->unicodeBidi()))) {
adjacentBox->markDirty();
}
}
}
void RenderTreeAsText::writeRenderObject(TextStream& ts, const RenderObject& o, RenderAsTextBehavior behavior)
{
ts << o.renderName();
if (behavior & RenderAsTextShowAddresses)
ts << " " << static_cast<const void*>(&o);
if (o.style() && o.style()->zIndex())
ts << " zI: " << o.style()->zIndex();
if (o.node()) {
String tagName = getTagName(o.node());
if (!tagName.isEmpty()) {
ts << " {" << tagName << "}";
// flag empty or unstyled AppleStyleSpan because we never
// want to leave them in the DOM
if (isEmptyOrUnstyledAppleStyleSpan(o.node()))
ts << " *empty or unstyled AppleStyleSpan*";
}
}
bool adjustForTableCells = o.containingBlock()->isTableCell();
IntRect r;
if (o.isText()) {
// FIXME: Would be better to dump the bounding box x and y rather than the first run's x and y, but that would involve updating
// many test results.
const RenderText& text = *toRenderText(&o);
IntRect linesBox = text.linesBoundingBox();
r = IntRect(text.firstRunX(), text.firstRunY(), linesBox.width(), linesBox.height());
if (adjustForTableCells && !text.firstTextBox())
adjustForTableCells = false;
} else if (o.isRenderInline()) {
// FIXME: Would be better not to just dump 0, 0 as the x and y here.
const RenderInline& inlineFlow = *toRenderInline(&o);
r = IntRect(0, 0, inlineFlow.linesBoundingBox().width(), inlineFlow.linesBoundingBox().height());
adjustForTableCells = false;
} else if (o.isTableCell()) {
// FIXME: Deliberately dump the "inner" box of table cells, since that is what current results reflect. We'd like
// to clean up the results to dump both the outer box and the intrinsic padding so that both bits of information are
// captured by the results.
const RenderTableCell& cell = *toRenderTableCell(&o);
r = IntRect(cell.x(), cell.y() + cell.intrinsicPaddingBefore(), cell.width(), cell.height() - cell.intrinsicPaddingBefore() - cell.intrinsicPaddingAfter());
} else if (o.isBox())
r = toRenderBox(&o)->frameRect();
// FIXME: Temporary in order to ensure compatibility with existing layout test results.
if (adjustForTableCells)
r.move(0, -toRenderTableCell(o.containingBlock())->intrinsicPaddingBefore());
ts << " " << r;
if (!(o.isText() && !o.isBR())) {
if (o.isFileUploadControl())
ts << " " << quoteAndEscapeNonPrintables(toRenderFileUploadControl(&o)->fileTextValue());
if (o.parent() && (o.parent()->style()->color() != o.style()->color()))
ts << " [color=" << o.style()->color().nameForRenderTreeAsText() << "]";
if (o.parent() && (o.parent()->style()->backgroundColor() != o.style()->backgroundColor()) &&
o.style()->backgroundColor().isValid() && o.style()->backgroundColor().rgb())
// Do not dump invalid or transparent backgrounds, since that is the default.
ts << " [bgcolor=" << o.style()->backgroundColor().nameForRenderTreeAsText() << "]";
if (o.parent() && (o.parent()->style()->textFillColor() != o.style()->textFillColor()) &&
o.style()->textFillColor().isValid() && o.style()->textFillColor() != o.style()->color() &&
o.style()->textFillColor().rgb())
ts << " [textFillColor=" << o.style()->textFillColor().nameForRenderTreeAsText() << "]";
if (o.parent() && (o.parent()->style()->textStrokeColor() != o.style()->textStrokeColor()) &&
o.style()->textStrokeColor().isValid() && o.style()->textStrokeColor() != o.style()->color() &&
o.style()->textStrokeColor().rgb())
ts << " [textStrokeColor=" << o.style()->textStrokeColor().nameForRenderTreeAsText() << "]";
if (o.parent() && (o.parent()->style()->textStrokeWidth() != o.style()->textStrokeWidth()) &&
o.style()->textStrokeWidth() > 0)
ts << " [textStrokeWidth=" << o.style()->textStrokeWidth() << "]";
if (!o.isBoxModelObject())
return;
const RenderBoxModelObject& box = *toRenderBoxModelObject(&o);
if (box.borderTop() || box.borderRight() || box.borderBottom() || box.borderLeft()) {
ts << " [border:";
BorderValue prevBorder;
if (o.style()->borderTop() != prevBorder) {
prevBorder = o.style()->borderTop();
if (!box.borderTop())
ts << " none";
else {
ts << " (" << box.borderTop() << "px ";
printBorderStyle(ts, o.style()->borderTopStyle());
Color col = o.style()->borderTopColor();
if (!col.isValid())
col = o.style()->color();
ts << col.nameForRenderTreeAsText() << ")";
}
}
if (o.style()->borderRight() != prevBorder) {
prevBorder = o.style()->borderRight();
if (!box.borderRight())
ts << " none";
else {
ts << " (" << box.borderRight() << "px ";
printBorderStyle(ts, o.style()->borderRightStyle());
Color col = o.style()->borderRightColor();
if (!col.isValid())
col = o.style()->color();
ts << col.nameForRenderTreeAsText() << ")";
}
}
if (o.style()->borderBottom() != prevBorder) {
prevBorder = box.style()->borderBottom();
if (!box.borderBottom())
ts << " none";
else {
ts << " (" << box.borderBottom() << "px ";
printBorderStyle(ts, o.style()->borderBottomStyle());
Color col = o.style()->borderBottomColor();
if (!col.isValid())
col = o.style()->color();
ts << col.nameForRenderTreeAsText() << ")";
}
}
if (o.style()->borderLeft() != prevBorder) {
prevBorder = o.style()->borderLeft();
if (!box.borderLeft())
ts << " none";
else {
ts << " (" << box.borderLeft() << "px ";
printBorderStyle(ts, o.style()->borderLeftStyle());
Color col = o.style()->borderLeftColor();
if (!col.isValid())
col = o.style()->color();
ts << col.nameForRenderTreeAsText() << ")";
}
}
ts << "]";
}
}
if (o.isTableCell()) {
const RenderTableCell& c = *toRenderTableCell(&o);
ts << " [r=" << c.row() << " c=" << c.col() << " rs=" << c.rowSpan() << " cs=" << c.colSpan() << "]";
}
#if ENABLE(DETAILS)
if (o.isDetailsMarker()) {
ts << ": ";
switch (toRenderDetailsMarker(&o)->orientation()) {
case RenderDetailsMarker::Left:
ts << "left";
break;
case RenderDetailsMarker::Right:
ts << "right";
break;
case RenderDetailsMarker::Up:
ts << "up";
break;
case RenderDetailsMarker::Down:
ts << "down";
break;
}
}
#endif
if (o.isListMarker()) {
String text = toRenderListMarker(&o)->text();
if (!text.isEmpty()) {
if (text.length() != 1)
text = quoteAndEscapeNonPrintables(text);
else {
switch (text[0]) {
case bullet:
text = "bullet";
break;
case blackSquare:
text = "black square";
break;
case whiteBullet:
text = "white bullet";
break;
default:
text = quoteAndEscapeNonPrintables(text);
}
}
ts << ": " << text;
}
}
if (behavior & RenderAsTextShowIDAndClass) {
if (Node* node = o.node()) {
if (node->hasID())
ts << " id=\"" + static_cast<Element*>(node)->getIdAttribute() + "\"";
if (node->hasClass()) {
StyledElement* styledElement = static_cast<StyledElement*>(node);
String classes;
for (size_t i = 0; i < styledElement->classNames().size(); ++i) {
if (i > 0)
classes += " ";
classes += styledElement->classNames()[i];
}
ts << " class=\"" + classes + "\"";
}
}
}
if (behavior & RenderAsTextShowLayoutState) {
bool needsLayout = o.selfNeedsLayout() || o.needsPositionedMovementLayout() || o.posChildNeedsLayout() || o.normalChildNeedsLayout();
if (needsLayout)
ts << " (needs layout:";
bool havePrevious = false;
if (o.selfNeedsLayout()) {
ts << " self";
havePrevious = true;
}
if (o.needsPositionedMovementLayout()) {
if (havePrevious)
ts << ",";
havePrevious = true;
ts << " positioned movement";
}
if (o.normalChildNeedsLayout()) {
if (havePrevious)
ts << ",";
havePrevious = true;
ts << " child";
}
if (o.posChildNeedsLayout()) {
if (havePrevious)
ts << ",";
ts << " positioned child";
}
if (needsLayout)
ts << ")";
}
#if PLATFORM(QT)
// Print attributes of embedded QWidgets. E.g. when the WebCore::Widget
// is invisible the QWidget should be invisible too.
__asm int 3; // weolar
// if (o.isRenderPart()) {
// const RenderPart* part = toRenderPart(const_cast<RenderObject*>(&o));
// if (part->widget() && part->widget()->platformWidget()) {
// QWidget* wid = part->widget()->platformWidget();
//
// ts << " [QT: ";
// ts << "geometry: {" << wid->geometry() << "} ";
// ts << "isHidden: " << wid->isHidden() << " ";
// ts << "isSelfVisible: " << part->widget()->isSelfVisible() << " ";
// ts << "isParentVisible: " << part->widget()->isParentVisible() << " ";
// ts << "mask: {" << wid->mask().boundingRect() << "} ] ";
// }
// }
#endif
}
LayoutState::LayoutState(std::unique_ptr<LayoutState> next, RenderBox* renderer, const LayoutSize& offset, LayoutUnit pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo)
: m_columnInfo(columnInfo)
, m_lineGrid(0)
, m_next(std::move(next))
#if ENABLE(CSS_SHAPES)
, m_shapeInsideInfo(0)
#endif
#ifndef NDEBUG
, m_renderer(renderer)
#endif
{
ASSERT(m_next);
bool fixed = renderer->isOutOfFlowPositioned() && renderer->style().position() == FixedPosition;
if (fixed) {
// FIXME: This doesn't work correctly with transforms.
FloatPoint fixedOffset = renderer->view().localToAbsolute(FloatPoint(), IsFixed);
m_paintOffset = LayoutSize(fixedOffset.x(), fixedOffset.y()) + offset;
} else
m_paintOffset = m_next->m_paintOffset + offset;
if (renderer->isOutOfFlowPositioned() && !fixed) {
if (RenderElement* container = renderer->container()) {
if (container->isInFlowPositioned() && container->isRenderInline())
m_paintOffset += toRenderInline(container)->offsetForInFlowPositionedInline(renderer);
}
}
m_layoutOffset = m_paintOffset;
if (renderer->isInFlowPositioned() && renderer->hasLayer())
m_paintOffset += renderer->layer()->offsetForInFlowPosition();
m_clipped = !fixed && m_next->m_clipped;
if (m_clipped)
m_clipRect = m_next->m_clipRect;
if (renderer->hasOverflowClip()) {
LayoutRect clipRect(toPoint(m_paintOffset) + renderer->view().layoutDelta(), renderer->cachedSizeForOverflowClip());
if (m_clipped)
m_clipRect.intersect(clipRect);
else {
m_clipRect = clipRect;
m_clipped = true;
}
m_paintOffset -= renderer->scrolledContentOffset();
}
// If we establish a new page height, then cache the offset to the top of the first page.
// We can compare this later on to figure out what part of the page we're actually on,
if (pageLogicalHeight || m_columnInfo || renderer->isRenderFlowThread()) {
m_pageLogicalHeight = pageLogicalHeight;
bool isFlipped = renderer->style().isFlippedBlocksWritingMode();
m_pageOffset = LayoutSize(m_layoutOffset.width() + (!isFlipped ? renderer->borderLeft() + renderer->paddingLeft() : renderer->borderRight() + renderer->paddingRight()),
m_layoutOffset.height() + (!isFlipped ? renderer->borderTop() + renderer->paddingTop() : renderer->borderBottom() + renderer->paddingBottom()));
m_pageLogicalHeightChanged = pageLogicalHeightChanged;
} else {
// If we don't establish a new page height, then propagate the old page height and offset down.
m_pageLogicalHeight = m_next->m_pageLogicalHeight;
m_pageLogicalHeightChanged = m_next->m_pageLogicalHeightChanged;
m_pageOffset = m_next->m_pageOffset;
// Disable pagination for objects we don't support. For now this includes overflow:scroll/auto, inline blocks and
// writing mode roots.
if (renderer->isUnsplittableForPagination())
m_pageLogicalHeight = 0;
}
// Propagate line grid information.
propagateLineGridInfo(renderer);
if (!m_columnInfo)
m_columnInfo = m_next->m_columnInfo;
#if ENABLE(CSS_SHAPES)
if (renderer->isRenderBlock()) {
const RenderBlock* renderBlock = toRenderBlock(renderer);
m_shapeInsideInfo = renderBlock->shapeInsideInfo();
if (!m_shapeInsideInfo && m_next->m_shapeInsideInfo && renderBlock->allowsShapeInsideInfoSharing())
m_shapeInsideInfo = m_next->m_shapeInsideInfo;
}
#endif
m_layoutDelta = m_next->m_layoutDelta;
#if !ASSERT_DISABLED && ENABLE(SATURATED_LAYOUT_ARITHMETIC)
m_layoutDeltaXSaturated = m_next->m_layoutDeltaXSaturated;
m_layoutDeltaYSaturated = m_next->m_layoutDeltaYSaturated;
#endif
m_isPaginated = m_pageLogicalHeight || m_columnInfo || renderer->isRenderFlowThread();
if (lineGrid() && renderer->hasColumns() && renderer->style().hasInlineColumnAxis())
computeLineGridPaginationOrigin(renderer);
// If we have a new grid to track, then add it to our set.
if (renderer->style().lineGrid() != RenderStyle::initialLineGrid() && renderer->isRenderBlockFlow())
establishLineGrid(toRenderBlockFlow(renderer));
// FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
}
void RenderTreeAsText::writeRenderObject(TextStream& ts, const RenderObject& o, RenderAsTextBehavior behavior)
{
ts << o.renderName();
if (behavior & RenderAsTextShowAddresses)
ts << " " << static_cast<const void*>(&o);
if (o.style() && o.style()->zIndex())
ts << " zI: " << o.style()->zIndex();
if (o.node()) {
String tagName = o.node()->nodeName();
if (!tagName.isEmpty()) {
ts << " {" << tagName << "}";
// flag empty or unstyled AppleStyleSpan because we never
// want to leave them in the DOM
if (isEmptyOrUnstyledAppleStyleSpan(o.node()))
ts << " *empty or unstyled AppleStyleSpan*";
}
}
LayoutRect r;
if (o.isText()) {
// FIXME: Would be better to dump the bounding box x and y rather than the first run's x and y, but that would involve updating
// many test results.
const RenderText& text = toRenderText(o);
IntRect linesBox = text.linesBoundingBox();
r = IntRect(text.firstRunX(), text.firstRunY(), linesBox.width(), linesBox.height());
} else if (o.isRenderInline()) {
// FIXME: Would be better not to just dump 0, 0 as the x and y here.
const RenderInline& inlineFlow = toRenderInline(o);
r = IntRect(0, 0, inlineFlow.linesBoundingBox().width(), inlineFlow.linesBoundingBox().height());
} else if (o.isBox())
r = toRenderBox(&o)->frameRect();
ts << " " << r;
if (!o.isText()) {
if (o.parent()) {
Color color = o.resolveColor(CSSPropertyColor);
if (o.parent()->resolveColor(CSSPropertyColor) != color)
ts << " [color=" << color.nameForRenderTreeAsText() << "]";
// Do not dump invalid or transparent backgrounds, since that is the default.
Color backgroundColor = o.resolveColor(CSSPropertyBackgroundColor);
if (o.parent()->resolveColor(CSSPropertyBackgroundColor) != backgroundColor
&& backgroundColor.rgb())
ts << " [bgcolor=" << backgroundColor.nameForRenderTreeAsText() << "]";
Color textFillColor = o.resolveColor(CSSPropertyWebkitTextFillColor);
if (o.parent()->resolveColor(CSSPropertyWebkitTextFillColor) != textFillColor
&& textFillColor != color && textFillColor.rgb())
ts << " [textFillColor=" << textFillColor.nameForRenderTreeAsText() << "]";
Color textStrokeColor = o.resolveColor(CSSPropertyWebkitTextStrokeColor);
if (o.parent()->resolveColor(CSSPropertyWebkitTextStrokeColor) != textStrokeColor
&& textStrokeColor != color && textStrokeColor.rgb())
ts << " [textStrokeColor=" << textStrokeColor.nameForRenderTreeAsText() << "]";
if (o.parent()->style()->textStrokeWidth() != o.style()->textStrokeWidth() && o.style()->textStrokeWidth() > 0)
ts << " [textStrokeWidth=" << o.style()->textStrokeWidth() << "]";
}
if (!o.isBoxModelObject())
return;
const RenderBoxModelObject& box = toRenderBoxModelObject(o);
if (box.borderTop() || box.borderRight() || box.borderBottom() || box.borderLeft()) {
ts << " [border:";
BorderValue prevBorder = o.style()->borderTop();
if (!box.borderTop())
ts << " none";
else {
ts << " (" << box.borderTop() << "px ";
printBorderStyle(ts, o.style()->borderTopStyle());
Color col = o.resolveColor(CSSPropertyBorderTopColor);
ts << col.nameForRenderTreeAsText() << ")";
}
if (o.style()->borderRight() != prevBorder) {
prevBorder = o.style()->borderRight();
if (!box.borderRight())
ts << " none";
else {
ts << " (" << box.borderRight() << "px ";
printBorderStyle(ts, o.style()->borderRightStyle());
Color col = o.resolveColor(CSSPropertyBorderRightColor);
ts << col.nameForRenderTreeAsText() << ")";
}
}
if (o.style()->borderBottom() != prevBorder) {
prevBorder = box.style()->borderBottom();
if (!box.borderBottom())
ts << " none";
else {
ts << " (" << box.borderBottom() << "px ";
printBorderStyle(ts, o.style()->borderBottomStyle());
Color col = o.resolveColor(CSSPropertyBorderBottomColor);
ts << col.nameForRenderTreeAsText() << ")";
}
}
if (o.style()->borderLeft() != prevBorder) {
prevBorder = o.style()->borderLeft();
if (!box.borderLeft())
ts << " none";
else {
ts << " (" << box.borderLeft() << "px ";
printBorderStyle(ts, o.style()->borderLeftStyle());
Color col = o.resolveColor(CSSPropertyBorderLeftColor);
ts << col.nameForRenderTreeAsText() << ")";
}
}
ts << "]";
}
}
if (behavior & RenderAsTextShowIDAndClass) {
Node* node = o.node();
if (node && node->isElementNode()) {
Element& element = toElement(*node);
if (element.hasID())
ts << " id=\"" + element.getIdAttribute() + "\"";
if (element.hasClass()) {
ts << " class=\"";
for (size_t i = 0; i < element.classNames().size(); ++i) {
if (i > 0)
ts << " ";
ts << element.classNames()[i];
}
ts << "\"";
}
}
}
if (behavior & RenderAsTextShowLayoutState) {
bool needsLayout = o.selfNeedsLayout() || o.needsPositionedMovementLayout() || o.posChildNeedsLayout() || o.normalChildNeedsLayout();
if (needsLayout)
ts << " (needs layout:";
bool havePrevious = false;
if (o.selfNeedsLayout()) {
ts << " self";
havePrevious = true;
}
if (o.needsPositionedMovementLayout()) {
if (havePrevious)
ts << ",";
havePrevious = true;
ts << " positioned movement";
}
if (o.normalChildNeedsLayout()) {
if (havePrevious)
ts << ",";
havePrevious = true;
ts << " child";
}
if (o.posChildNeedsLayout()) {
if (havePrevious)
ts << ",";
ts << " positioned child";
}
if (needsLayout)
ts << ")";
}
}
