VisiblePosition HTMLTextFormControlElement::visiblePositionForIndex(int index) const
{
if (index <= 0)
return VisiblePosition(firstPositionInNode(innerEditorElement()), DOWNSTREAM);
RefPtrWillBeRawPtr<Range> range = Range::create(document());
range->selectNodeContents(innerEditorElement(), ASSERT_NO_EXCEPTION);
CharacterIterator it(range.get());
it.advance(index - 1);
return VisiblePosition(it.range()->endPosition(), UPSTREAM);
}
VisiblePosition HTMLTextFormControlElement::visiblePositionForIndex(int index) const
{
if (index <= 0)
return createVisiblePosition(Position::firstPositionInNode(innerEditorElement()));
Position start, end;
bool selected = Range::selectNodeContents(innerEditorElement(), start, end);
if (!selected)
return VisiblePosition();
CharacterIterator it(start, end);
it.advance(index - 1);
return createVisiblePosition(it.endPosition(), TextAffinity::Upstream);
}
VisiblePosition HTMLTextFormControlElement::visiblePositionForIndex(int index) const
{
if (index <= 0)
return VisiblePosition(firstPositionInNode(innerEditorElement()), DOWNSTREAM);
Position start, end;
bool selected = Range::selectNodeContents(innerEditorElement(), start, end);
if (!selected)
return VisiblePosition();
CharacterIterator it(start, end);
it.advance(index - 1);
return VisiblePosition(it.endPosition(), UPSTREAM);
}
void LayoutTextControl::computeIntrinsicLogicalWidths(
LayoutUnit& minLogicalWidth,
LayoutUnit& maxLogicalWidth) const {
// Use average character width. Matches IE.
AtomicString family = style()->font().getFontDescription().family().family();
maxLogicalWidth = preferredContentLogicalWidth(
const_cast<LayoutTextControl*>(this)->getAvgCharWidth(family));
if (innerEditorElement()) {
if (LayoutBox* innerEditorLayoutBox = innerEditorElement()->layoutBox())
maxLogicalWidth += innerEditorLayoutBox->paddingStart() +
innerEditorLayoutBox->paddingEnd();
}
if (!style()->logicalWidth().isPercentOrCalc())
minLogicalWidth = maxLogicalWidth;
}
int LayoutTextControl::firstLineBoxBaseline() const {
int result = LayoutBlock::firstLineBoxBaseline();
if (result != -1)
return result;
// When the text is empty, |LayoutBlock::firstLineBoxBaseline()| cannot
// compute the baseline because lineboxes do not exist.
Element* innerEditor = innerEditorElement();
if (!innerEditor || !innerEditor->layoutObject())
return -1;
LayoutBlock* innerEditorLayoutObject =
toLayoutBlock(innerEditor->layoutObject());
const SimpleFontData* fontData =
innerEditorLayoutObject->style(true)->font().primaryFont();
DCHECK(fontData);
if (!fontData)
return -1;
LayoutUnit baseline(fontData->getFontMetrics().ascent(AlphabeticBaseline));
for (LayoutObject* box = innerEditorLayoutObject; box && box != this;
box = box->parent()) {
if (box->isBox())
baseline += toLayoutBox(box)->logicalTop();
}
return baseline.toInt();
}
void LayoutTextControl::computeLogicalHeight(
LayoutUnit logicalHeight,
LayoutUnit logicalTop,
LogicalExtentComputedValues& computedValues) const {
HTMLElement* innerEditor = innerEditorElement();
ASSERT(innerEditor);
if (LayoutBox* innerEditorBox = innerEditor->layoutBox()) {
LayoutUnit nonContentHeight = innerEditorBox->borderAndPaddingHeight() +
innerEditorBox->marginHeight();
logicalHeight = computeControlLogicalHeight(
innerEditorBox->lineHeight(true, HorizontalLine,
PositionOfInteriorLineBoxes),
nonContentHeight);
// We are able to have a horizontal scrollbar if the overflow style is
// scroll, or if its auto and there's no word wrap.
if (style()->overflowInlineDirection() == OverflowScroll ||
(style()->overflowInlineDirection() == OverflowAuto &&
innerEditor->layoutObject()->style()->overflowWrap() ==
NormalOverflowWrap))
logicalHeight += scrollbarThickness();
// FIXME: The logical height of the inner text box should have been added
// before calling computeLogicalHeight to avoid this hack.
setIntrinsicContentLogicalHeight(logicalHeight);
logicalHeight += borderAndPaddingHeight();
}
LayoutBox::computeLogicalHeight(logicalHeight, logicalTop, computedValues);
}
void HTMLTextFormControlElement::setInnerEditorValue(const String& value)
{
ASSERT(!openShadowRoot());
if (!isTextFormControl() || openShadowRoot())
return;
bool textIsChanged = value != innerEditorValue();
HTMLElement* innerEditor = innerEditorElement();
if (!textIsChanged && innerEditor->hasChildren())
return;
// If the last child is a trailing <br> that's appended below, remove it
// first so as to enable setInnerText() fast path of updating a text node.
if (isHTMLBRElement(innerEditor->lastChild()))
innerEditor->removeChild(innerEditor->lastChild(), ASSERT_NO_EXCEPTION);
// We don't use setTextContent. It triggers unnecessary paint.
if (value.isEmpty())
innerEditor->removeChildren();
else
replaceChildrenWithText(innerEditor, value, ASSERT_NO_EXCEPTION);
// Add <br> so that we can put the caret at the next line of the last
// newline.
addPlaceholderBreakElementIfNecessary();
if (textIsChanged && layoutObject()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->handleTextFormControlChanged(this);
}
}
void HTMLTextAreaElement::subtreeHasChanged() {
#if DCHECK_IS_ON()
// The innerEditor should have either Text nodes or a placeholder break
// element. If we see other nodes, it's a bug in editing code and we should
// fix it.
Element* innerEditor = innerEditorElement();
for (Node& node : NodeTraversal::descendantsOf(*innerEditor)) {
if (node.isTextNode())
continue;
DCHECK(isHTMLBRElement(node));
DCHECK_EQ(&node, innerEditor->lastChild());
}
#endif
addPlaceholderBreakElementIfNecessary();
setChangedSinceLastFormControlChangeEvent(true);
m_valueIsUpToDate = false;
setNeedsValidityCheck();
setAutofilled(false);
updatePlaceholderVisibility();
if (!isFocused())
return;
// When typing in a textarea, childrenChanged is not called, so we need to
// force the directionality check.
calculateAndAdjustDirectionality();
DCHECK(document().isActive());
document().frameHost()->chromeClient().didChangeValueInTextField(*this);
}
void HTMLTextFormControlElement::setInnerEditorValue(const String& value)
{
ASSERT(!hasAuthorShadowRoot());
if (!isTextFormControl() || hasAuthorShadowRoot())
return;
bool textIsChanged = value != innerEditorValue();
if (textIsChanged || !innerEditorElement()->hasChildren()) {
if (textIsChanged && renderer()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->postNotification(this, AXObjectCache::AXValueChanged, false);
}
innerEditorElement()->setInnerText(value, ASSERT_NO_EXCEPTION);
if (value.endsWith('\n') || value.endsWith('\r'))
innerEditorElement()->appendChild(HTMLBRElement::create(document()));
}
}
int HTMLTextFormControlElement::computeSelectionEnd() const
{
ASSERT(isTextFormControl());
LocalFrame* frame = document().frame();
if (!frame)
return 0;
return indexForPosition(innerEditorElement(), frame->selection().end());
}
void HTMLTextFormControlElement::setInnerEditorValue(const String& value)
{
ASSERT(!hasOpenShadowRoot());
if (!isTextFormControl() || hasOpenShadowRoot())
return;
bool textIsChanged = value != innerEditorValue();
if (textIsChanged || !innerEditorElement()->hasChildren()) {
if (textIsChanged && layoutObject()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->handleTextFormControlChanged(this);
}
innerEditorElement()->setInnerText(value, ASSERT_NO_EXCEPTION);
if (value.endsWith('\n') || value.endsWith('\r'))
innerEditorElement()->appendChild(HTMLBRElement::create(document()));
}
}
bool LayoutTextControlMultiLine::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
{
if (!LayoutTextControl::nodeAtPoint(result, locationInContainer, accumulatedOffset, hitTestAction))
return false;
if (result.innerNode() == node() || result.innerNode() == innerEditorElement())
hitInnerEditorElement(result, locationInContainer.point(), accumulatedOffset);
return true;
}
int RenderTextControl::textBlockLogicalWidth() const
{
Element* innerEditor = innerEditorElement();
ASSERT(innerEditor);
LayoutUnit unitWidth = logicalWidth() - borderAndPaddingLogicalWidth();
if (innerEditor->renderer())
unitWidth -= innerEditor->renderBox()->paddingStart() + innerEditor->renderBox()->paddingEnd();
return unitWidth;
}
int LayoutTextControl::textBlockLogicalWidth() const {
Element* innerEditor = innerEditorElement();
ASSERT(innerEditor);
LayoutUnit unitWidth = logicalWidth() - borderAndPaddingLogicalWidth();
if (innerEditor->layoutObject())
unitWidth -= innerEditor->layoutBox()->paddingStart() +
innerEditor->layoutBox()->paddingEnd();
return unitWidth.toInt();
}
int HTMLTextFormControlElement::indexForVisiblePosition(const VisiblePosition& pos) const
{
Position indexPosition = pos.deepEquivalent().parentAnchoredEquivalent();
if (enclosingTextFormControl(indexPosition) != this)
return 0;
ASSERT(indexPosition.document());
RefPtrWillBeRawPtr<Range> range = Range::create(*indexPosition.document());
range->setStart(innerEditorElement(), 0, ASSERT_NO_EXCEPTION);
range->setEnd(indexPosition.containerNode(), indexPosition.offsetInContainerNode(), ASSERT_NO_EXCEPTION);
return TextIterator::rangeLength(range.get());
}
void HTMLTextFormControlElement::addPlaceholderBreakElementIfNecessary()
{
HTMLElement* innerEditor = innerEditorElement();
if (innerEditor->layoutObject() && !innerEditor->layoutObject()->style()->preserveNewline())
return;
Node* lastChild = innerEditor->lastChild();
if (!lastChild || !lastChild->isTextNode())
return;
if (toText(lastChild)->data().endsWith('\n') || toText(lastChild)->data().endsWith('\r'))
innerEditor->appendChild(createPlaceholderBreakElement());
}
void LayoutTextControl::hitInnerEditorElement(HitTestResult& result, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset)
{
HTMLElement* innerEditor = innerEditorElement();
if (!innerEditor->layoutObject())
return;
LayoutPoint adjustedLocation = accumulatedOffset + location();
LayoutPoint localPoint = pointInContainer - toLayoutSize(adjustedLocation + innerEditor->layoutBox()->location());
if (hasOverflowClip())
localPoint += scrolledContentOffset();
result.setNodeAndPosition(innerEditor, localPoint);
}
void RenderTextControl::hitInnerEditorElement(HitTestResult& result, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset)
{
HTMLElement* innerEditor = innerEditorElement();
if (!innerEditor->renderer())
return;
LayoutPoint adjustedLocation = accumulatedOffset + location();
LayoutPoint localPoint = pointInContainer - toLayoutSize(adjustedLocation + innerEditor->renderBox()->location());
if (hasOverflowClip())
localPoint += scrolledContentOffset();
result.setInnerNode(innerEditor);
result.setInnerNonSharedNode(innerEditor);
result.setLocalPoint(localPoint);
}
String HTMLTextFormControlElement::innerEditorValue() const
{
ASSERT(!hasOpenShadowRoot());
HTMLElement* innerEditor = innerEditorElement();
if (!innerEditor || !isTextFormControl())
return emptyString();
StringBuilder result;
for (Node& node : NodeTraversal::inclusiveDescendantsOf(*innerEditor)) {
if (isHTMLBRElement(node))
result.append(newlineCharacter);
else if (node.isTextNode())
result.append(toText(node).data());
}
return finishText(result);
}
String HTMLTextFormControlElement::innerEditorValue() const
{
ASSERT(!hasAuthorShadowRoot());
HTMLElement* innerEditor = innerEditorElement();
if (!innerEditor || !isTextFormControl())
return emptyString();
StringBuilder result;
for (Node* node = innerEditor; node; node = NodeTraversal::next(*node, innerEditor)) {
if (isHTMLBRElement(*node))
result.append(newlineCharacter);
else if (node->isTextNode())
result.append(toText(node)->data());
}
return finishText(result);
}
void HTMLTextFormControlElement::setSelectionRange(int start, int end, TextFieldSelectionDirection direction, NeedToDispatchSelectEvent eventBehaviour, SelectionOption selectionOption)
{
if (openShadowRoot() || !isTextFormControl())
return;
const int editorValueLength = static_cast<int>(innerEditorValue().length());
ASSERT(editorValueLength >= 0);
end = std::max(std::min(end, editorValueLength), 0);
start = std::min(std::max(start, 0), end);
cacheSelection(start, end, direction);
if (selectionOption == NotChangeSelection || (selectionOption == ChangeSelectionIfFocused && document().focusedElement() != this) || !inShadowIncludingDocument()) {
if (eventBehaviour == DispatchSelectEvent)
scheduleSelectEvent();
return;
}
LocalFrame* frame = document().frame();
HTMLElement* innerEditor = innerEditorElement();
if (!frame || !innerEditor)
return;
Position startPosition = positionForIndex(innerEditor, start);
Position endPosition = start == end ? startPosition : positionForIndex(innerEditor, end);
ASSERT(start == indexForPosition(innerEditor, startPosition));
ASSERT(end == indexForPosition(innerEditor, endPosition));
#if ENABLE(ASSERT)
// startPosition and endPosition can be null position for example when
// "-webkit-user-select: none" style attribute is specified.
if (startPosition.isNotNull() && endPosition.isNotNull()) {
ASSERT(startPosition.anchorNode()->shadowHost() == this
&& endPosition.anchorNode()->shadowHost() == this);
}
#endif // ENABLE(ASSERT)
VisibleSelection newSelection;
if (direction == SelectionHasBackwardDirection)
newSelection.setWithoutValidation(endPosition, startPosition);
else
newSelection.setWithoutValidation(startPosition, endPosition);
newSelection.setIsDirectional(direction != SelectionHasNoDirection);
frame->selection().setSelection(newSelection, FrameSelection::DoNotAdjustInFlatTree | FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle | (selectionOption == ChangeSelectionAndFocus ? 0 : FrameSelection::DoNotSetFocus));
if (eventBehaviour == DispatchSelectEvent)
scheduleSelectEvent();
}
void RenderTextControl::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderBlockFlow::styleDidChange(diff, oldStyle);
Element* innerEditor = innerEditorElement();
if (!innerEditor)
return;
RenderBlock* innerEditorRenderer = toRenderBlock(innerEditor->renderer());
if (innerEditorRenderer) {
// We may have set the width and the height in the old style in layout().
// Reset them now to avoid getting a spurious layout hint.
innerEditorRenderer->style()->setHeight(Length());
innerEditorRenderer->style()->setWidth(Length());
innerEditorRenderer->setStyle(createInnerEditorStyle(style()));
innerEditor->setNeedsStyleRecalc(SubtreeStyleChange);
}
textFormControlElement()->updatePlaceholderVisibility(false);
}
void LayoutTextControl::styleDidChange(StyleDifference diff, const ComputedStyle* oldStyle)
{
LayoutBlockFlow::styleDidChange(diff, oldStyle);
Element* innerEditor = innerEditorElement();
if (!innerEditor)
return;
LayoutBlock* innerEditorLayoutObject = toLayoutBlock(innerEditor->layoutObject());
if (innerEditorLayoutObject) {
// We may have set the width and the height in the old style in layout().
// Reset them now to avoid getting a spurious layout hint.
innerEditorLayoutObject->mutableStyleRef().setHeight(Length());
innerEditorLayoutObject->mutableStyleRef().setWidth(Length());
innerEditorLayoutObject->setStyle(createInnerEditorStyle(styleRef()));
innerEditor->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Control));
}
textFormControlElement()->updatePlaceholderVisibility(false);
}
String HTMLTextFormControlElement::valueWithHardLineBreaks() const
{
// FIXME: It's not acceptable to ignore the HardWrap setting when there is no layoutObject.
// While we have no evidence this has ever been a practical problem, it would be best to fix it some day.
HTMLElement* innerText = innerEditorElement();
if (!innerText || !isTextFormControl())
return value();
LayoutBlockFlow* layoutObject = toLayoutBlockFlow(innerText->layoutObject());
if (!layoutObject)
return value();
Node* breakNode;
unsigned breakOffset;
RootInlineBox* line = layoutObject->firstRootBox();
if (!line)
return value();
getNextSoftBreak(line, breakNode, breakOffset);
StringBuilder result;
for (Node& node : NodeTraversal::descendantsOf(*innerText)) {
if (isHTMLBRElement(node)) {
ASSERT(&node == innerText->lastChild());
if (&node != innerText->lastChild())
result.append(newlineCharacter);
} else if (node.isTextNode()) {
String data = toText(node).data();
unsigned length = data.length();
unsigned position = 0;
while (breakNode == node && breakOffset <= length) {
if (breakOffset > position) {
result.append(data, position, breakOffset - position);
position = breakOffset;
result.append(newlineCharacter);
}
getNextSoftBreak(line, breakNode, breakOffset);
}
result.append(data, position, length - position);
}
while (breakNode == node)
getNextSoftBreak(line, breakNode, breakOffset);
}
return result.toString();
}
void HTMLTextAreaElement::updatePlaceholderText()
{
HTMLElement* placeholder = placeholderElement();
const AtomicString& placeholderText = fastGetAttribute(placeholderAttr);
if (placeholderText.isEmpty()) {
if (placeholder)
userAgentShadowRoot()->removeChild(placeholder);
return;
}
if (!placeholder) {
RefPtrWillBeRawPtr<HTMLDivElement> newElement = HTMLDivElement::create(document());
placeholder = newElement.get();
placeholder->setShadowPseudoId(AtomicString("-webkit-input-placeholder", AtomicString::ConstructFromLiteral));
placeholder->setAttribute(idAttr, ShadowElementNames::placeholder());
userAgentShadowRoot()->insertBefore(placeholder, innerEditorElement()->nextSibling());
}
placeholder->setTextContent(placeholderText);
}
String HTMLTextFormControlElement::valueWithHardLineBreaks() const
{
// FIXME: It's not acceptable to ignore the HardWrap setting when there is no renderer.
// While we have no evidence this has ever been a practical problem, it would be best to fix it some day.
HTMLElement* innerText = innerEditorElement();
if (!innerText || !isTextFormControl())
return value();
RenderBlock* renderer = toRenderBlock(innerText->renderer());
if (!renderer)
return value();
Node* breakNode;
unsigned breakOffset;
RootInlineBox* line = renderer->firstRootBox();
if (!line)
return value();
getNextSoftBreak(line, breakNode, breakOffset);
StringBuilder result;
for (Node* node = innerText->firstChild(); node; node = NodeTraversal::next(*node, innerText)) {
if (isHTMLBRElement(*node))
result.append(newlineCharacter);
else if (node->isTextNode()) {
String data = toText(node)->data();
unsigned length = data.length();
unsigned position = 0;
while (breakNode == node && breakOffset <= length) {
if (breakOffset > position) {
result.append(data, position, breakOffset - position);
position = breakOffset;
result.append(newlineCharacter);
}
getNextSoftBreak(line, breakNode, breakOffset);
}
result.append(data, position, length - position);
}
while (breakNode == node)
getNextSoftBreak(line, breakNode, breakOffset);
}
return finishText(result);
}
void HTMLTextAreaElement::updatePlaceholderText() {
HTMLElement* placeholder = placeholderElement();
const AtomicString& placeholderText = fastGetAttribute(placeholderAttr);
if (placeholderText.isEmpty()) {
if (placeholder)
userAgentShadowRoot()->removeChild(placeholder);
return;
}
if (!placeholder) {
HTMLDivElement* newElement = HTMLDivElement::create(document());
placeholder = newElement;
placeholder->setShadowPseudoId(AtomicString("-webkit-input-placeholder"));
placeholder->setAttribute(idAttr, ShadowElementNames::placeholder());
placeholder->setInlineStyleProperty(
CSSPropertyDisplay,
isPlaceholderVisible() ? CSSValueBlock : CSSValueNone, true);
userAgentShadowRoot()->insertBefore(placeholder, innerEditorElement());
}
placeholder->setTextContent(placeholderText);
}
Range* HTMLTextFormControlElement::selection() const
{
if (!layoutObject() || !isTextFormControl())
return nullptr;
int start = m_cachedSelectionStart;
int end = m_cachedSelectionEnd;
ASSERT(start <= end);
HTMLElement* innerText = innerEditorElement();
if (!innerText)
return nullptr;
if (!innerText->hasChildren())
return Range::create(document(), innerText, 0, innerText, 0);
int offset = 0;
Node* startNode = 0;
Node* endNode = 0;
for (Node& node : NodeTraversal::descendantsOf(*innerText)) {
ASSERT(!node.hasChildren());
ASSERT(node.isTextNode() || isHTMLBRElement(node));
int length = node.isTextNode() ? lastOffsetInNode(&node) : 1;
if (offset <= start && start <= offset + length)
setContainerAndOffsetForRange(&node, start - offset, startNode, start);
if (offset <= end && end <= offset + length) {
setContainerAndOffsetForRange(&node, end - offset, endNode, end);
break;
}
offset += length;
}
if (!startNode || !endNode)
return nullptr;
return Range::create(document(), startNode, start, endNode, end);
}
PassRefPtrWillBeRawPtr<Range> HTMLTextFormControlElement::selection() const
{
if (!renderer() || !isTextFormControl())
return nullptr;
int start = m_cachedSelectionStart;
int end = m_cachedSelectionEnd;
ASSERT(start <= end);
HTMLElement* innerText = innerEditorElement();
if (!innerText)
return nullptr;
if (!innerText->firstChild())
return Range::create(document(), innerText, 0, innerText, 0);
int offset = 0;
Node* startNode = 0;
Node* endNode = 0;
for (Node* node = innerText->firstChild(); node; node = NodeTraversal::next(*node, innerText)) {
ASSERT(!node->firstChild());
ASSERT(node->isTextNode() || isHTMLBRElement(*node));
int length = node->isTextNode() ? lastOffsetInNode(node) : 1;
if (offset <= start && start <= offset + length)
setContainerAndOffsetForRange(node, start - offset, startNode, start);
if (offset <= end && end <= offset + length) {
setContainerAndOffsetForRange(node, end - offset, endNode, end);
break;
}
offset += length;
}
if (!startNode || !endNode)
return nullptr;
return Range::create(document(), startNode, start, endNode, end);
}
void RenderTextControl::computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues& computedValues) const
{
HTMLElement* innerEditor = innerEditorElement();
ASSERT(innerEditor);
if (RenderBox* innerEditorBox = innerEditor->renderBox()) {
LayoutUnit nonContentHeight = innerEditorBox->borderAndPaddingHeight() + innerEditorBox->marginHeight();
logicalHeight = computeControlLogicalHeight(innerEditorBox->lineHeight(true, HorizontalLine, PositionOfInteriorLineBoxes), nonContentHeight);
// We are able to have a horizontal scrollbar if the overflow style is scroll, or if its auto and there's no word wrap.
if ((isHorizontalWritingMode() && (style()->overflowX() == OSCROLL || (style()->overflowX() == OAUTO && innerEditor->renderer()->style()->overflowWrap() == NormalOverflowWrap)))
|| (!isHorizontalWritingMode() && (style()->overflowY() == OSCROLL || (style()->overflowY() == OAUTO && innerEditor->renderer()->style()->overflowWrap() == NormalOverflowWrap))))
logicalHeight += scrollbarThickness();
// FIXME: The logical height of the inner text box should have been added before calling computeLogicalHeight to
// avoid this hack.
updateIntrinsicContentLogicalHeight(logicalHeight);
logicalHeight += borderAndPaddingHeight();
}
RenderBox::computeLogicalHeight(logicalHeight, logicalTop, computedValues);
}