int RenderTheme::baselinePosition(const RenderBox& box) const
{
#if USE(NEW_THEME)
return box.height() + box.marginTop() + m_theme->baselinePositionAdjustment(box.style().appearance()) * box.style().effectiveZoom();
#else
return box.height() + box.marginTop();
#endif
}
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(*this))
return;
LayoutRect paintRect(paintOffset, size());
RenderBox* legend = findLegend();
if (!legend)
return RenderBlockFlow::paintBoxDecorations(paintInfo, paintOffset);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style().isHorizontalWritingMode()) {
LayoutUnit yOff = (legend->y() > 0) ? LayoutUnit() : (legend->height() - borderTop()) / 2;
paintRect.setHeight(paintRect.height() - yOff);
paintRect.setY(paintRect.y() + yOff);
} else {
LayoutUnit xOff = (legend->x() > 0) ? LayoutUnit() : (legend->width() - borderLeft()) / 2;
paintRect.setWidth(paintRect.width() - xOff);
paintRect.setX(paintRect.x() + xOff);
}
if (!boxShadowShouldBeAppliedToBackground(determineBackgroundBleedAvoidance(paintInfo.context)))
paintBoxShadow(paintInfo, paintRect, style(), Normal);
paintFillLayers(paintInfo, style().visitedDependentColor(CSSPropertyBackgroundColor), style().backgroundLayers(), paintRect);
paintBoxShadow(paintInfo, paintRect, style(), Inset);
if (!style().hasBorder())
return;
// Create a clipping region around the legend and paint the border as normal
GraphicsContext* graphicsContext = paintInfo.context;
GraphicsContextStateSaver stateSaver(*graphicsContext);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
LayoutRect clipRect;
if (style().isHorizontalWritingMode()) {
clipRect.setX(paintRect.x() + legend->x());
clipRect.setY(paintRect.y());
clipRect.setWidth(legend->width());
clipRect.setHeight(std::max<LayoutUnit>(style().borderTopWidth(), legend->height() - ((legend->height() - borderTop()) / 2)));
} else {
clipRect.setX(paintRect.x());
clipRect.setY(paintRect.y() + legend->y());
clipRect.setWidth(std::max<LayoutUnit>(style().borderLeftWidth(), legend->width()));
clipRect.setHeight(legend->height());
}
graphicsContext->clipOut(snapRectToDevicePixels(clipRect, document().deviceScaleFactor()));
paintBorder(paintInfo, paintRect, style());
}
void RenderTextControlSingleLine::layout()
{
int oldHeight = height();
calcHeight();
int oldWidth = width();
calcWidth();
bool relayoutChildren = oldHeight != height() || oldWidth != width();
RenderBox* innerTextRenderer = innerTextElement()->renderBox();
RenderBox* innerBlockRenderer = m_innerBlock ? m_innerBlock->renderBox() : 0;
// Set the text block height
int desiredHeight = textBlockHeight();
int currentHeight = innerTextRenderer->height();
if (m_innerBlock || currentHeight > height()) {
if (desiredHeight != currentHeight)
relayoutChildren = true;
innerTextRenderer->style()->setHeight(Length(desiredHeight, Fixed));
}
if (m_innerBlock) {
ASSERT(innerBlockRenderer);
if (desiredHeight != innerBlockRenderer->height())
relayoutChildren = true;
innerBlockRenderer->style()->setHeight(Length(desiredHeight, Fixed));
}
// Set the text block width
int desiredWidth = textBlockWidth();
if (desiredWidth != innerTextRenderer->width())
relayoutChildren = true;
innerTextRenderer->style()->setWidth(Length(desiredWidth, Fixed));
if (m_innerBlock) {
int innerBlockWidth = width() - paddingLeft() - paddingRight() - borderLeft() - borderRight();
if (innerBlockWidth != innerBlockRenderer->width())
relayoutChildren = true;
innerBlockRenderer->style()->setWidth(Length(innerBlockWidth, Fixed));
}
RenderBlock::layoutBlock(relayoutChildren);
// For text fields, center the inner text vertically
// Don't do this for search fields, since we don't honor height for them
if (!m_innerBlock) {
currentHeight = innerTextRenderer->height();
if (currentHeight < height())
innerTextRenderer->setLocation(innerTextRenderer->x(), (height() - currentHeight) / 2);
}
}
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, int tx, int ty)
{
if (!paintInfo.shouldPaintWithinRoot(this))
return;
int w = width();
int h = height();
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintBoxDecorations(paintInfo, tx, ty);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style()->isHorizontalWritingMode()) {
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2;
h -= yOff;
ty += yOff;
} else {
int xOff = (legend->x() > 0) ? 0 : (legend->width() - borderLeft()) / 2;
w -= xOff;
tx += xOff;
}
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Normal);
paintFillLayers(paintInfo, style()->visitedDependentColor(CSSPropertyBackgroundColor), style()->backgroundLayers(), tx, ty, w, h);
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Inset);
if (!style()->hasBorder())
return;
// Create a clipping region around the legend and paint the border as normal
GraphicsContext* graphicsContext = paintInfo.context;
graphicsContext->save();
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style()->isHorizontalWritingMode()) {
int clipTop = ty;
int clipHeight = max(static_cast<int>(style()->borderTopWidth()), legend->height());
graphicsContext->clipOut(IntRect(tx + legend->x(), clipTop, legend->width(), clipHeight));
} else {
int clipLeft = tx;
int clipWidth = max(static_cast<int>(style()->borderLeftWidth()), legend->width());
graphicsContext->clipOut(IntRect(clipLeft, ty + legend->y(), clipWidth, legend->height()));
}
paintBorder(paintInfo.context, tx, ty, w, h, style(), true, true);
graphicsContext->restore();
}
void RenderFieldset::paintMask(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (style().visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
LayoutRect paintRect = LayoutRect(paintOffset, size());
RenderBox* legend = findLegend();
if (!legend)
return RenderBlockFlow::paintMask(paintInfo, paintOffset);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style().isHorizontalWritingMode()) {
LayoutUnit yOff = (legend->y() > 0) ? LayoutUnit() : (legend->height() - borderTop()) / 2;
paintRect.expand(0, -yOff);
paintRect.move(0, yOff);
} else {
LayoutUnit xOff = (legend->x() > 0) ? LayoutUnit() : (legend->width() - borderLeft()) / 2;
paintRect.expand(-xOff, 0);
paintRect.move(xOff, 0);
}
paintMaskImages(paintInfo, paintRect);
}
void RenderSliderContainer::layout()
{
HTMLInputElement* input = node()->shadowAncestorNode()->toInputElement();
bool isVertical = hasVerticalAppearance(input);
style()->setBoxOrient(isVertical ? VERTICAL : HORIZONTAL);
// Sets the concrete height if the height of the <input> is not fixed or a
// percentage value because a percentage height value of this box won't be
// based on the <input> height in such case.
Length inputHeight = input->renderer()->style()->height();
RenderObject* trackRenderer = node()->firstChild()->renderer();
if (!isVertical && input->renderer()->isSlider() && !inputHeight.isFixed() && !inputHeight.isPercent()) {
RenderObject* thumbRenderer = input->shadowTree()->oldestShadowRoot()->firstChild()->firstChild()->firstChild()->renderer();
if (thumbRenderer) {
style()->setHeight(thumbRenderer->style()->height());
if (trackRenderer)
trackRenderer->style()->setHeight(thumbRenderer->style()->height());
}
} else {
style()->setHeight(Length(100, Percent));
if (trackRenderer)
trackRenderer->style()->setHeight(Length());
}
RenderDeprecatedFlexibleBox::layout();
// Percentage 'top' for the thumb doesn't work if the parent style has no
// concrete height.
Node* track = node()->firstChild();
if (track && track->renderer()->isBox()) {
RenderBox* trackBox = track->renderBox();
trackBox->style()->setHeight(Length(trackBox->height() - trackBox->borderAndPaddingHeight(), Fixed));
}
}
void RenderFieldset::paintMask(PaintInfo& paintInfo, int tx, int ty)
{
if (style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
int w = width();
int h = height();
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintMask(paintInfo, tx, ty);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style()->isHorizontalWritingMode()) {
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2;
h -= yOff;
ty += yOff;
} else {
int xOff = (legend->x() > 0) ? 0 : (legend->width() - borderLeft()) / 2;
w -= xOff;
tx += xOff;
}
paintMaskImages(paintInfo, tx, ty, w, h);
}
void SpinButtonElement::defaultEventHandler(Event* event)
{
if (!event->isMouseEvent()) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
RenderBox* box = renderBox();
if (!box) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
RefPtr<HTMLInputElement> input(static_cast<HTMLInputElement*>(shadowAncestorNode()));
if (input->disabled() || input->isReadOnlyFormControl()) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
IntPoint local = roundedIntPoint(box->absoluteToLocal(mouseEvent->absoluteLocation(), false, true));
if (mouseEvent->type() == eventNames().mousedownEvent && mouseEvent->button() == LeftButton) {
if (box->borderBoxRect().contains(local)) {
// The following functions of HTMLInputElement may run JavaScript
// code which detaches this shadow node. We need to take a reference
// and check renderer() after such function calls.
RefPtr<Node> protector(this);
input->focus();
input->select();
if (renderer()) {
input->stepUpFromRenderer(m_upDownState == Up ? 1 : -1);
if (renderer())
startRepeatingTimer();
}
event->setDefaultHandled();
}
} else if (mouseEvent->type() == eventNames().mouseupEvent && mouseEvent->button() == LeftButton)
stopRepeatingTimer();
else if (event->type() == eventNames().mousemoveEvent) {
if (box->borderBoxRect().contains(local)) {
if (!m_capturing) {
if (Frame* frame = document()->frame()) {
frame->eventHandler()->setCapturingMouseEventsNode(this);
m_capturing = true;
}
}
UpDownState oldUpDownState = m_upDownState;
m_upDownState = local.y() < box->height() / 2 ? Up : Down;
if (m_upDownState != oldUpDownState)
renderer()->repaint();
} else
releaseCapture();
}
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
}
LayoutPoint RenderTheme::volumeSliderOffsetFromMuteButton(const RenderBox& muteButtonBox, const LayoutSize& size) const
{
LayoutUnit y = -size.height();
FloatPoint absPoint = muteButtonBox.localToAbsolute(FloatPoint(muteButtonBox.offsetLeft(), y), IsFixed | UseTransforms);
if (absPoint.y() < 0)
y = muteButtonBox.height();
return LayoutPoint(0, y);
}
void updateSnapOffsetsForScrollableArea(ScrollableArea& scrollableArea, HTMLElement& scrollingElement, const RenderBox& scrollingElementBox, const RenderStyle& scrollingElementStyle)
{
if (scrollingElementStyle.scrollSnapType() == ScrollSnapType::None) {
scrollableArea.clearHorizontalSnapOffsets();
scrollableArea.clearVerticalSnapOffsets();
return;
}
LayoutUnit viewWidth = scrollingElementBox.width();
LayoutUnit viewHeight = scrollingElementBox.height();
LayoutUnit scrollWidth = scrollingElementBox.scrollWidth();
LayoutUnit scrollHeight = scrollingElementBox.scrollHeight();
bool canComputeHorizontalOffsets = scrollWidth > 0 && viewWidth > 0 && viewWidth < scrollWidth;
bool canComputeVerticalOffsets = scrollHeight > 0 && viewHeight > 0 && viewHeight < scrollHeight;
if (!canComputeHorizontalOffsets)
scrollableArea.clearHorizontalSnapOffsets();
if (!canComputeVerticalOffsets)
scrollableArea.clearVerticalSnapOffsets();
if (!canComputeHorizontalOffsets && !canComputeVerticalOffsets)
return;
Vector<LayoutUnit> horizontalSnapOffsetSubsequence;
Vector<LayoutUnit> verticalSnapOffsetSubsequence;
bool scrollSnapPointsXUsesElements = styleUsesElements(ScrollEventAxis::Horizontal, scrollingElementStyle);
bool scrollSnapPointsYUsesElements = styleUsesElements(ScrollEventAxis::Vertical , scrollingElementStyle);
if (scrollSnapPointsXUsesElements || scrollSnapPointsYUsesElements) {
bool shouldAddHorizontalChildOffsets = scrollSnapPointsXUsesElements && canComputeHorizontalOffsets;
bool shouldAddVerticalChildOffsets = scrollSnapPointsYUsesElements && canComputeVerticalOffsets;
appendChildSnapOffsets(scrollingElement, shouldAddHorizontalChildOffsets, horizontalSnapOffsetSubsequence, shouldAddVerticalChildOffsets, verticalSnapOffsetSubsequence);
}
if (scrollingElementStyle.scrollSnapPointsX() && !scrollSnapPointsXUsesElements && canComputeHorizontalOffsets) {
for (auto& snapLength : scrollingElementStyle.scrollSnapPointsX()->offsets)
horizontalSnapOffsetSubsequence.append(valueForLength(snapLength, viewWidth));
}
if (scrollingElementStyle.scrollSnapPointsY() && !scrollSnapPointsYUsesElements && canComputeVerticalOffsets) {
for (auto& snapLength : scrollingElementStyle.scrollSnapPointsY()->offsets)
verticalSnapOffsetSubsequence.append(valueForLength(snapLength, viewHeight));
}
if (canComputeHorizontalOffsets) {
auto horizontalSnapOffsets = std::make_unique<Vector<LayoutUnit>>();
updateFromStyle(*horizontalSnapOffsets, scrollingElementStyle, ScrollEventAxis::Horizontal, viewWidth, scrollWidth, horizontalSnapOffsetSubsequence);
scrollableArea.setHorizontalSnapOffsets(WTF::move(horizontalSnapOffsets));
}
if (canComputeVerticalOffsets) {
auto verticalSnapOffsets = std::make_unique<Vector<LayoutUnit>>();
updateFromStyle(*verticalSnapOffsets, scrollingElementStyle, ScrollEventAxis::Vertical, viewHeight, scrollHeight, verticalSnapOffsetSubsequence);
scrollableArea.setVerticalSnapOffsets(WTF::move(verticalSnapOffsets));
}
}
void RenderSliderContainer::layout()
{
ASSERT(element()->shadowHost());
auto& input = downcast<HTMLInputElement>(*element()->shadowHost());
bool isVertical = hasVerticalAppearance(input);
mutableStyle().setFlexDirection(isVertical ? FlowColumn : FlowRow);
TextDirection oldTextDirection = style().direction();
if (isVertical) {
// FIXME: Work around rounding issues in RTL vertical sliders. We want them to
// render identically to LTR vertical sliders. We can remove this work around when
// subpixel rendering is enabled on all ports.
mutableStyle().setDirection(LTR);
}
RenderBox* thumb = input.sliderThumbElement() ? input.sliderThumbElement()->renderBox() : nullptr;
RenderBox* track = input.sliderTrackElement() ? input.sliderTrackElement()->renderBox() : nullptr;
// Force a layout to reset the position of the thumb so the code below doesn't move the thumb to the wrong place.
// FIXME: Make a custom Render class for the track and move the thumb positioning code there.
if (track)
track->setChildNeedsLayout(MarkOnlyThis);
RenderFlexibleBox::layout();
mutableStyle().setDirection(oldTextDirection);
// These should always exist, unless someone mutates the shadow DOM (e.g., in the inspector).
if (!thumb || !track)
return;
double percentageOffset = sliderPosition(input).toDouble();
LayoutUnit availableExtent = isVertical ? track->contentHeight() : track->contentWidth();
availableExtent -= isVertical ? thumb->height() : thumb->width();
LayoutUnit offset = percentageOffset * availableExtent;
LayoutPoint thumbLocation = thumb->location();
if (isVertical)
thumbLocation.setY(thumbLocation.y() + track->contentHeight() - thumb->height() - offset);
else if (style().isLeftToRightDirection())
thumbLocation.setX(thumbLocation.x() + offset);
else
thumbLocation.setX(thumbLocation.x() - offset);
thumb->setLocation(thumbLocation);
thumb->repaint();
}
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, int tx, int ty)
{
#if PLATFORM(WKC)
CRASH_IF_STACK_OVERFLOW(WKC_STACK_MARGIN_DEFAULT);
#endif
int w = width();
int h = height();
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintBoxDecorations(paintInfo, tx, ty);
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2;
int legendBottom = ty + legend->y() + legend->height();
h -= yOff;
ty += yOff;
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Normal);
paintFillLayers(paintInfo, style()->backgroundColor(), style()->backgroundLayers(), tx, ty, w, h);
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Inset);
if (!style()->hasBorder())
return;
// Save time by not saving and restoring the GraphicsContext in the straight border case
if (!style()->hasBorderRadius())
return paintBorderMinusLegend(paintInfo.context, tx, ty, w, h, style(), legend->x(), legend->width(), legendBottom);
// We have rounded borders, create a clipping region
// around the legend and paint the border as normal
GraphicsContext* graphicsContext = paintInfo.context;
graphicsContext->save();
int clipTop = ty;
int clipHeight = max(static_cast<int>(style()->borderTopWidth()), legend->height());
graphicsContext->clipOut(IntRect(tx + legend->x(), clipTop,
legend->width(), clipHeight));
paintBorder(paintInfo.context, tx, ty, w, h, style(), true, true);
graphicsContext->restore();
}
// Return a set of rectangles that should not be overdrawn by the
// plugin ("cutouts"). This helps implement the "iframe shim"
// technique of overlaying a windowed plugin with content from the
// page. In a nutshell, iframe elements should occlude plugins when
// they occur higher in the stacking order.
void WebPluginContainerImpl::windowCutOutRects(const IntRect& frameRect,
Vector<IntRect>& cutOutRects)
{
RenderObject* pluginNode = m_element->renderer();
ASSERT(pluginNode);
if (!pluginNode->style())
return;
Vector<const RenderObject*> pluginZstack;
Vector<const RenderObject*> iframeZstack;
getObjectStack(pluginNode, &pluginZstack);
// Get the parent widget
Widget* parentWidget = this->parent();
if (!parentWidget->isFrameView())
return;
FrameView* parentFrameView = static_cast<FrameView*>(parentWidget);
const HashSet<RefPtr<Widget> >* children = parentFrameView->children();
for (HashSet<RefPtr<Widget> >::const_iterator it = children->begin(); it != children->end(); ++it) {
// We only care about FrameView's because iframes show up as FrameViews.
if (!(*it)->isFrameView())
continue;
const FrameView* frameView =
static_cast<const FrameView*>((*it).get());
// Check to make sure we can get both the element and the RenderObject
// for this FrameView, if we can't just move on to the next object.
if (!frameView->frame() || !frameView->frame()->ownerElement()
|| !frameView->frame()->ownerElement()->renderer())
continue;
HTMLElement* element = frameView->frame()->ownerElement();
RenderObject* iframeRenderer = element->renderer();
if (element->hasTagName(HTMLNames::iframeTag)
&& iframeRenderer->absoluteBoundingBoxRect().intersects(frameRect)
&& (!iframeRenderer->style() || iframeRenderer->style()->visibility() == VISIBLE)) {
getObjectStack(iframeRenderer, &iframeZstack);
if (checkStackOnTop(iframeZstack, pluginZstack)) {
IntPoint point =
roundedIntPoint(iframeRenderer->localToAbsolute());
RenderBox* rbox = toRenderBox(iframeRenderer);
IntSize size(rbox->width(), rbox->height());
cutOutRects.append(IntRect(point, size));
}
}
}
}
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(this))
return;
LayoutRect paintRect(paintOffset, size());
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintBoxDecorations(paintInfo, paintOffset);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style()->isHorizontalWritingMode()) {
LayoutUnit yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2;
paintRect.setHeight(paintRect.height() - yOff);
paintRect.setY(paintRect.y() + yOff);
} else {
LayoutUnit xOff = (legend->x() > 0) ? 0 : (legend->width() - borderLeft()) / 2;
paintRect.setWidth(paintRect.width() - xOff);
paintRect.setX(paintRect.x() + xOff);
}
paintBoxShadow(paintInfo, paintRect, style(), Normal);
paintFillLayers(paintInfo, style()->visitedDependentColor(CSSPropertyBackgroundColor), style()->backgroundLayers(), paintRect);
paintBoxShadow(paintInfo, paintRect, style(), Inset);
if (!style()->hasBorder())
return;
// Create a clipping region around the legend and paint the border as normal
GraphicsContext* graphicsContext = paintInfo.context;
GraphicsContextStateSaver stateSaver(*graphicsContext);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style()->isHorizontalWritingMode()) {
LayoutUnit clipTop = paintRect.y();
LayoutUnit clipHeight = max(static_cast<LayoutUnit>(style()->borderTopWidth()), legend->height());
graphicsContext->clipOut(LayoutRect(paintRect.x() + legend->x(), clipTop, legend->width(), clipHeight));
} else {
LayoutUnit clipLeft = paintRect.x();
LayoutUnit clipWidth = max(static_cast<LayoutUnit>(style()->borderLeftWidth()), legend->width());
graphicsContext->clipOut(LayoutRect(clipLeft, paintRect.y() + legend->y(), clipWidth, legend->height()));
}
paintBorder(paintInfo, paintRect, style());
}
int RenderView::docHeight() const
{
int h = lowestPosition();
// FIXME: This doesn't do any margin collapsing.
// Instead of this dh computation we should keep the result
// when we call RenderBlock::layout.
int dh = 0;
for (RenderBox* c = firstChildBox(); c; c = c->nextSiblingBox())
dh += c->height() + c->marginTop() + c->marginBottom();
if (dh > h)
h = dh;
return h;
}
void RenderFrameSet::positionFrames()
{
RenderBox* child = firstChildBox();
if (!child)
return;
int rows = frameSetElement().totalRows();
int cols = frameSetElement().totalCols();
int yPos = 0;
int borderThickness = frameSetElement().border();
for (int r = 0; r < rows; r++) {
int xPos = 0;
int height = m_rows.m_sizes[r];
for (int c = 0; c < cols; c++) {
child->setLocation(IntPoint(xPos, yPos));
int width = m_cols.m_sizes[c];
// has to be resized and itself resize its contents
if (width != child->width() || height != child->height()) {
child->setWidth(width);
child->setHeight(height);
#if PLATFORM(IOS)
// FIXME: Is this iOS-specific?
child->setNeedsLayout(MarkOnlyThis);
#else
child->setNeedsLayout();
#endif
child->layout();
}
xPos += width + borderThickness;
child = child->nextSiblingBox();
if (!child)
return;
}
yPos += height + borderThickness;
}
// all the remaining frames are hidden to avoid ugly spurious unflowed frames
for (; child; child = child->nextSiblingBox()) {
child->setWidth(0);
child->setHeight(0);
child->clearNeedsLayout();
}
}
void RenderFieldset::paintMask(PaintInfo& paintInfo, int tx, int ty)
{
if (style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
int w = width();
int h = height();
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintMask(paintInfo, tx, ty);
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2;
h -= yOff;
ty += yOff;
paintMaskImages(paintInfo, tx, ty, w, h);
}
bool SVGLength::determineViewport(const SVGElement* context, float& width, float& height) const
{
if (!context)
return false;
// Take size from outermost <svg> element.
Document* document = context->document();
if (document->documentElement() == context) {
if (RenderView* view = toRenderView(document->renderer())) {
width = view->viewWidth();
height = view->viewHeight();
return true;
}
return false;
}
// Resolve value against nearest viewport element (common case: inner <svg> elements)
SVGElement* viewportElement = context->viewportElement();
if (viewportElement && viewportElement->isSVG()) {
const SVGSVGElement* svg = static_cast<const SVGSVGElement*>(viewportElement);
if (svg->hasAttribute(SVGNames::viewBoxAttr)) {
width = svg->viewBox().width();
height = svg->viewBox().height();
} else {
width = svg->width().value(svg);
height = svg->height().value(svg);
}
return true;
}
// Resolve value against enclosing non-SVG RenderBox
if (!context->parentNode() || context->parentNode()->isSVGElement())
return false;
RenderObject* renderer = context->renderer();
if (!renderer || !renderer->isBox())
return false;
RenderBox* box = toRenderBox(renderer);
width = box->width();
height = box->height();
return true;
}
float SVGLength::PercentageOfViewport(float value, const SVGElement* context, SVGLengthMode mode)
{
ASSERT(context);
float width = 0.0f, height = 0.0f;
SVGElement* viewportElement = context->viewportElement();
// PercentageOfViewport() is used to resolve all relative-positioned values within a SVG document (fragment)
Document* doc = context->document();
if (doc->documentElement() == context) {
// Resolve value against outermost <svg> element
if (RenderView* view = toRenderView(doc->renderer())) {
width = view->viewWidth();
height = view->viewHeight();
}
} else if (viewportElement && viewportElement->isSVG()) {
// Resolve value against nearest viewport element (common case: inner <svg> elements)
const SVGSVGElement* svg = static_cast<const SVGSVGElement*>(viewportElement);
if (svg->hasAttribute(SVGNames::viewBoxAttr)) {
width = svg->viewBox().width();
height = svg->viewBox().height();
} else {
width = svg->width().value(svg);
height = svg->height().value(svg);
}
} else if (context->parent() && !context->parent()->isSVGElement()) {
// Resolve value against enclosing non-SVG RenderBox
if (RenderObject* renderer = context->renderer()) {
if (renderer->isBox()) {
RenderBox* box = toRenderBox(renderer);
width = box->width();
height = box->height();
}
}
}
if (mode == LengthModeWidth)
return value * width;
else if (mode == LengthModeHeight)
return value * height;
else if (mode == LengthModeOther)
return value * sqrtf(powf(width, 2) + powf(height, 2)) / sqrtf(2.0f);
return 0.0f;
}
float SVGLength::PercentageOfViewport(float value, const SVGElement* context, SVGLengthMode mode)
{
ASSERT(context);
float width = 0.0f, height = 0.0f;
SVGElement* viewportElement = context->viewportElement();
Document* doc = context->document();
if (doc->documentElement() == context) {
// We have to ask the canvas for the full "canvas size"...
RenderView* view = toRenderView(doc->renderer());
if (view && view->frameView()) {
width = view->frameView()->visibleWidth(); // TODO: recheck!
height = view->frameView()->visibleHeight(); // TODO: recheck!
}
} else if (viewportElement && viewportElement->isSVG()) {
const SVGSVGElement* svg = static_cast<const SVGSVGElement*>(viewportElement);
if (svg->hasAttribute(SVGNames::viewBoxAttr)) {
width = svg->viewBox().width();
height = svg->viewBox().height();
} else {
width = svg->width().value(svg);
height = svg->height().value(svg);
}
} else if (context->parent() && !context->parent()->isSVGElement()) {
if (RenderObject* renderer = context->renderer()) {
if (renderer->isBox()) {
RenderBox* box = toRenderBox(renderer);
width = box->width();
height = box->height();
}
}
}
if (mode == LengthModeWidth)
return value * width;
else if (mode == LengthModeHeight)
return value * height;
else if (mode == LengthModeOther)
return value * sqrtf(powf(width, 2) + powf(height, 2)) / sqrtf(2.0f);
return 0.0f;
}
void RenderFrameSet::positionFrames()
{
RenderBox* child = firstChildBox();
if (!child)
return;
int rows = frameSet()->totalRows();
int cols = frameSet()->totalCols();
int yPos = 0;
int borderThickness = frameSet()->border();
for (int r = 0; r < rows; r++) {
int xPos = 0;
int height = m_rows.m_sizes[r];
for (int c = 0; c < cols; c++) {
child->setLocation(xPos, yPos);
int width = m_cols.m_sizes[c];
// has to be resized and itself resize its contents
if (width != child->width() || height != child->height()) {
child->setWidth(width);
child->setHeight(height);
child->setNeedsLayout(true);
child->layout();
}
xPos += width + borderThickness;
child = child->nextSiblingBox();
if (!child)
return;
}
yPos += height + borderThickness;
}
// all the remaining frames are hidden to avoid ugly spurious unflowed frames
for (; child; child = child->nextSiblingBox()) {
child->setWidth(0);
child->setHeight(0);
child->setNeedsLayout(false);
}
}
void RenderSlider::layout()
{
// FIXME: Find a way to cascade appearance.
// http://webkit.org/b/62535
RenderBox* thumbBox = sliderThumbElementOf(node())->renderBox();
if (thumbBox && thumbBox->isSliderThumb())
static_cast<RenderSliderThumb*>(thumbBox)->updateAppearance(style());
if (RenderObject* limiterRenderer = trackLimiterElementOf(node())->renderer()) {
if (limiterRenderer->isSliderThumb())
static_cast<RenderSliderThumb*>(limiterRenderer)->updateAppearance(style());
}
RenderBlock::layout();
if (!thumbBox)
return;
LayoutUnit heightDiff = thumbBox->height() - contentHeight();
if (heightDiff > 0)
thumbBox->setY(thumbBox->y() - (heightDiff / 2));
}
void RenderFieldset::paintMask(PaintInfo& paintInfo, int tx, int ty)
{
#if PLATFORM(WKC)
CRASH_IF_STACK_OVERFLOW(WKC_STACK_MARGIN_DEFAULT);
#endif
if (style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
int w = width();
int h = height();
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintMask(paintInfo, tx, ty);
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2;
h -= yOff;
ty += yOff;
paintMaskImages(paintInfo, tx, ty, w, h);
}
RenderObject* RenderFieldset::layoutLegend(bool relayoutChildren)
{
RenderBox* legend = findLegend();
if (legend) {
if (relayoutChildren)
legend->setNeedsLayout(true);
legend->layoutIfNeeded();
int xPos;
if (style()->direction() == RTL) {
switch (legend->style()->textAlign()) {
case LEFT:
xPos = borderLeft() + paddingLeft();
break;
case CENTER:
xPos = (width() - legend->width()) / 2;
break;
default:
xPos = width() - paddingRight() - borderRight() - legend->width() - legend->marginRight();
}
} else {
switch (legend->style()->textAlign()) {
case RIGHT:
xPos = width() - paddingRight() - borderRight() - legend->width();
break;
case CENTER:
xPos = (width() - legend->width()) / 2;
break;
default:
xPos = borderLeft() + paddingLeft() + legend->marginLeft();
}
}
int b = borderTop();
int h = legend->height();
legend->setLocation(xPos, max((b-h)/2, 0));
setHeight(max(b, h) + paddingTop());
}
return legend;
}
void RenderFrameSet::positionFramesWithFlattening()
{
RenderBox* child = firstChildBox();
if (!child)
return;
int rows = frameSetElement().totalRows();
int cols = frameSetElement().totalCols();
int borderThickness = frameSetElement().border();
bool repaintNeeded = false;
// calculate frameset height based on actual content height to eliminate scrolling
bool out = false;
for (int r = 0; r < rows && !out; r++) {
int extra = 0;
int height = m_rows.m_sizes[r];
for (int c = 0; c < cols; c++) {
IntRect oldFrameRect = pixelSnappedIntRect(child->frameRect());
int width = m_cols.m_sizes[c];
bool fixedWidth = frameSetElement().colLengths() && frameSetElement().colLengths()[c].isFixed();
bool fixedHeight = frameSetElement().rowLengths() && frameSetElement().rowLengths()[r].isFixed();
// has to be resized and itself resize its contents
if (!fixedWidth)
child->setWidth(width ? width + extra / (cols - c) : 0);
else
child->setWidth(width);
child->setHeight(height);
child->setNeedsLayout();
if (child->isFrameSet())
toRenderFrameSet(child)->layout();
else
toRenderFrame(child)->layoutWithFlattening(fixedWidth, fixedHeight);
if (child->height() > m_rows.m_sizes[r])
m_rows.m_sizes[r] = child->height();
if (child->width() > m_cols.m_sizes[c])
m_cols.m_sizes[c] = child->width();
if (child->frameRect() != oldFrameRect)
repaintNeeded = true;
// difference between calculated frame width and the width it actually decides to have
extra += width - m_cols.m_sizes[c];
child = child->nextSiblingBox();
if (!child) {
out = true;
break;
}
}
}
int xPos = 0;
int yPos = 0;
out = false;
child = firstChildBox();
for (int r = 0; r < rows && !out; r++) {
xPos = 0;
for (int c = 0; c < cols; c++) {
// ensure the rows and columns are filled
IntRect oldRect = pixelSnappedIntRect(child->frameRect());
child->setLocation(IntPoint(xPos, yPos));
child->setHeight(m_rows.m_sizes[r]);
child->setWidth(m_cols.m_sizes[c]);
if (child->frameRect() != oldRect) {
repaintNeeded = true;
// update to final size
child->setNeedsLayout();
if (child->isFrameSet())
toRenderFrameSet(child)->layout();
else
toRenderFrame(child)->layoutWithFlattening(true, true);
}
xPos += m_cols.m_sizes[c] + borderThickness;
child = child->nextSiblingBox();
if (!child) {
out = true;
break;
}
}
yPos += m_rows.m_sizes[r] + borderThickness;
}
setWidth(xPos - borderThickness);
setHeight(yPos - borderThickness);
if (repaintNeeded)
repaint();
// all the remaining frames are hidden to avoid ugly spurious unflowed frames
for (; child; child = child->nextSiblingBox()) {
child->setWidth(0);
child->setHeight(0);
child->clearNeedsLayout();
}
}
void RenderTextControlSingleLine::layout()
{
SubtreeLayoutScope layoutScope(this);
// FIXME: We should remove the height-related hacks in layout() and
// styleDidChange(). We need them because
// - Center the inner elements vertically if the input height is taller than
// the intrinsic height of the inner elements.
// - Shrink the inner elment heights if the input height is samller than the
// intrinsic heights of the inner elements.
// We don't honor paddings and borders for textfields without decorations
// and type=search if the text height is taller than the contentHeight()
// because of compability.
RenderBox* innerTextRenderer = innerTextElement()->renderBox();
RenderBox* viewPortRenderer = editingViewPortElement() ? editingViewPortElement()->renderBox() : 0;
// To ensure consistency between layouts, we need to reset any conditionally overriden height.
if (innerTextRenderer && !innerTextRenderer->style()->logicalHeight().isAuto()) {
innerTextRenderer->style()->setLogicalHeight(Length(Auto));
layoutScope.setNeedsLayout(innerTextRenderer);
}
if (viewPortRenderer && !viewPortRenderer->style()->logicalHeight().isAuto()) {
viewPortRenderer->style()->setLogicalHeight(Length(Auto));
layoutScope.setNeedsLayout(viewPortRenderer);
}
RenderBlockFlow::layoutBlock(false);
Element* container = containerElement();
RenderBox* containerRenderer = container ? container->renderBox() : 0;
// Set the text block height
LayoutUnit desiredLogicalHeight = textBlockLogicalHeight();
LayoutUnit logicalHeightLimit = computeLogicalHeightLimit();
if (innerTextRenderer && innerTextRenderer->logicalHeight() > logicalHeightLimit) {
if (desiredLogicalHeight != innerTextRenderer->logicalHeight())
layoutScope.setNeedsLayout(this);
m_desiredInnerTextLogicalHeight = desiredLogicalHeight;
innerTextRenderer->style()->setLogicalHeight(Length(desiredLogicalHeight, Fixed));
layoutScope.setNeedsLayout(innerTextRenderer);
if (viewPortRenderer) {
viewPortRenderer->style()->setLogicalHeight(Length(desiredLogicalHeight, Fixed));
layoutScope.setNeedsLayout(viewPortRenderer);
}
}
// The container might be taller because of decoration elements.
if (containerRenderer) {
containerRenderer->layoutIfNeeded();
LayoutUnit containerLogicalHeight = containerRenderer->logicalHeight();
if (containerLogicalHeight > logicalHeightLimit) {
containerRenderer->style()->setLogicalHeight(Length(logicalHeightLimit, Fixed));
layoutScope.setNeedsLayout(this);
} else if (containerRenderer->logicalHeight() < contentLogicalHeight()) {
containerRenderer->style()->setLogicalHeight(Length(contentLogicalHeight(), Fixed));
layoutScope.setNeedsLayout(this);
} else
containerRenderer->style()->setLogicalHeight(Length(containerLogicalHeight, Fixed));
}
// If we need another layout pass, we have changed one of children's height so we need to relayout them.
if (needsLayout())
RenderBlockFlow::layoutBlock(true);
// Center the child block in the block progression direction (vertical centering for horizontal text fields).
if (!container && innerTextRenderer && innerTextRenderer->height() != contentLogicalHeight()) {
LayoutUnit logicalHeightDiff = innerTextRenderer->logicalHeight() - contentLogicalHeight();
innerTextRenderer->setLogicalTop(innerTextRenderer->logicalTop() - (logicalHeightDiff / 2 + layoutMod(logicalHeightDiff, 2)));
} else
centerContainerIfNeeded(containerRenderer);
HTMLElement* placeholderElement = inputElement()->placeholderElement();
if (RenderBox* placeholderBox = placeholderElement ? placeholderElement->renderBox() : 0) {
LayoutSize innerTextSize;
if (innerTextRenderer)
innerTextSize = innerTextRenderer->size();
placeholderBox->style()->setWidth(Length(innerTextSize.width() - placeholderBox->borderAndPaddingWidth(), Fixed));
placeholderBox->style()->setHeight(Length(innerTextSize.height() - placeholderBox->borderAndPaddingHeight(), Fixed));
bool neededLayout = placeholderBox->needsLayout();
bool placeholderBoxHadLayout = placeholderBox->everHadLayout();
placeholderBox->layoutIfNeeded();
LayoutPoint textOffset;
if (innerTextRenderer)
textOffset = innerTextRenderer->location();
if (editingViewPortElement() && editingViewPortElement()->renderBox())
textOffset += toLayoutSize(editingViewPortElement()->renderBox()->location());
if (containerRenderer)
textOffset += toLayoutSize(containerRenderer->location());
placeholderBox->setLocation(textOffset);
if (!placeholderBoxHadLayout && placeholderBox->checkForRepaintDuringLayout()) {
// This assumes a shadow tree without floats. If floats are added, the
// logic should be shared with RenderBlockFlow::layoutBlockChild.
placeholderBox->repaint();
}
// The placeholder gets layout last, after the parent text control and its other children,
// so in order to get the correct overflow from the placeholder we need to recompute it now.
if (neededLayout)
computeOverflow(clientLogicalBottom());
}
}
void RenderTextControlSingleLine::layout()
{
// FIXME: We should remove the height-related hacks in layout() and
// styleDidChange(). We need them because
// - Center the inner elements vertically if the input height is taller than
// the intrinsic height of the inner elements.
// - Shrink the inner elment heights if the input height is samller than the
// intrinsic heights of the inner elements.
// We don't honor paddings and borders for textfields without decorations
// and type=search if the text height is taller than the contentHeight()
// because of compability.
LayoutUnit oldHeight = height();
computeLogicalHeight();
LayoutUnit oldWidth = width();
computeLogicalWidth();
bool relayoutChildren = oldHeight != height() || oldWidth != width();
RenderBox* innerTextRenderer = innerTextElement()->renderBox();
ASSERT(innerTextRenderer);
RenderBox* innerBlockRenderer = innerBlockElement() ? innerBlockElement()->renderBox() : 0;
HTMLElement* container = containerElement();
RenderBox* containerRenderer = container ? container->renderBox() : 0;
// Set the text block height
LayoutUnit desiredHeight = textBlockHeight();
LayoutUnit currentHeight = innerTextRenderer->height();
LayoutUnit heightLimit = (inputElement()->isSearchField() || !container) ? height() : contentHeight();
if (currentHeight > heightLimit) {
if (desiredHeight != currentHeight)
relayoutChildren = true;
innerTextRenderer->style()->setHeight(Length(desiredHeight, Fixed));
m_desiredInnerTextHeight = desiredHeight;
if (innerBlockRenderer)
innerBlockRenderer->style()->setHeight(Length(desiredHeight, Fixed));
}
// The container might be taller because of decoration elements.
if (containerRenderer) {
containerRenderer->layoutIfNeeded();
LayoutUnit containerHeight = containerRenderer->height();
if (containerHeight > heightLimit) {
containerRenderer->style()->setHeight(Length(heightLimit, Fixed));
relayoutChildren = true;
} else if (containerRenderer->height() < contentHeight()) {
containerRenderer->style()->setHeight(Length(contentHeight(), Fixed));
relayoutChildren = true;
} else
containerRenderer->style()->setHeight(Length(containerHeight, Fixed));
}
RenderBlock::layoutBlock(relayoutChildren);
// Center the child block vertically
currentHeight = innerTextRenderer->height();
if (!container && currentHeight != contentHeight()) {
LayoutUnit heightDiff = currentHeight - contentHeight();
innerTextRenderer->setY(innerTextRenderer->y() - (heightDiff / 2 + layoutMod(heightDiff, 2)));
} else if (inputElement()->isSearchField() && containerRenderer && containerRenderer->height() > contentHeight()) {
// A quirk for find-in-page box on Safari Windows.
// http://webkit.org/b/63157
LayoutUnit heightDiff = containerRenderer->height() - contentHeight();
containerRenderer->setY(containerRenderer->y() - (heightDiff / 2 + layoutMod(heightDiff, 2)));
}
// Ignores the paddings for the inner spin button.
if (RenderBox* innerSpinBox = innerSpinButtonElement() ? innerSpinButtonElement()->renderBox() : 0) {
RenderBox* parentBox = innerSpinBox->parentBox();
if (containerRenderer && !containerRenderer->style()->isLeftToRightDirection())
innerSpinBox->setLocation(LayoutPoint(-paddingLeft(), -paddingTop()));
else
innerSpinBox->setLocation(LayoutPoint(parentBox->width() - innerSpinBox->width() + paddingRight(), -paddingTop()));
innerSpinBox->setHeight(height() - borderTop() - borderBottom());
}
HTMLElement* placeholderElement = inputElement()->placeholderElement();
if (RenderBox* placeholderBox = placeholderElement ? placeholderElement->renderBox() : 0) {
placeholderBox->style()->setWidth(Length(innerTextRenderer->width() - placeholderBox->borderAndPaddingWidth(), Fixed));
placeholderBox->style()->setHeight(Length(innerTextRenderer->height() - placeholderBox->borderAndPaddingHeight(), Fixed));
placeholderBox->layoutIfNeeded();
LayoutPoint textOffset = innerTextRenderer->location();
if (innerBlockElement() && innerBlockElement()->renderBox())
textOffset += toLayoutSize(innerBlockElement()->renderBox()->location());
if (containerRenderer)
textOffset += toLayoutSize(containerRenderer->location());
placeholderBox->setLocation(textOffset);
}
}
void SpinButtonElement::defaultEventHandler(Event* event)
{
if (!event->isMouseEvent()) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
RenderBox* box = renderBox();
if (!box) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
if (!shouldRespondToMouseEvents()) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
MouseEvent* mouseEvent = toMouseEvent(event);
IntPoint local = roundedIntPoint(box->absoluteToLocal(mouseEvent->absoluteLocation(), UseTransforms));
if (mouseEvent->type() == eventNames().mousedownEvent && mouseEvent->button() == LeftButton) {
if (box->pixelSnappedBorderBoxRect().contains(local)) {
// The following functions of HTMLInputElement may run JavaScript
// code which detaches this shadow node. We need to take a reference
// and check renderer() after such function calls.
Ref<SpinButtonElement> protect(*this);
if (m_spinButtonOwner)
m_spinButtonOwner->focusAndSelectSpinButtonOwner();
if (renderer()) {
if (m_upDownState != Indeterminate) {
// A JavaScript event handler called in doStepAction() below
// might change the element state and we might need to
// cancel the repeating timer by the state change. If we
// started the timer after doStepAction(), we would have no
// chance to cancel the timer.
startRepeatingTimer();
doStepAction(m_upDownState == Up ? 1 : -1);
}
}
event->setDefaultHandled();
}
} else if (mouseEvent->type() == eventNames().mouseupEvent && mouseEvent->button() == LeftButton)
stopRepeatingTimer();
else if (event->type() == eventNames().mousemoveEvent) {
if (box->pixelSnappedBorderBoxRect().contains(local)) {
if (!m_capturing) {
if (Frame* frame = document().frame()) {
frame->eventHandler().setCapturingMouseEventsElement(this);
m_capturing = true;
if (Page* page = document().page())
page->chrome().registerPopupOpeningObserver(this);
}
}
UpDownState oldUpDownState = m_upDownState;
m_upDownState = local.y() < box->height() / 2 ? Up : Down;
if (m_upDownState != oldUpDownState)
renderer()->repaint();
} else {
releaseCapture();
m_upDownState = Indeterminate;
}
}
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
}
void SpinButtonElement::defaultEventHandler(Event* event)
{
if (!event->isMouseEvent()) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
RenderBox* box = renderBox();
if (!box) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
HTMLInputElement* input = static_cast<HTMLInputElement*>(shadowAncestorNode());
if (input->disabled() || input->isReadOnlyFormControl()) {
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
return;
}
MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
IntPoint local = roundedIntPoint(box->absoluteToLocal(mouseEvent->absoluteLocation(), false, true));
if (mouseEvent->type() == eventNames().mousedownEvent && mouseEvent->button() == LeftButton) {
if (box->borderBoxRect().contains(local)) {
RefPtr<Node> protector(input);
input->focus();
input->select();
input->stepUpFromRenderer(m_upDownState == Up ? 1 : -1);
event->setDefaultHandled();
startRepeatingTimer();
}
} else if (mouseEvent->type() == eventNames().mouseupEvent && mouseEvent->button() == LeftButton)
stopRepeatingTimer();
else if (event->type() == eventNames().mousemoveEvent) {
if (box->borderBoxRect().contains(local)) {
if (!m_capturing) {
if (Frame* frame = document()->frame()) {
frame->eventHandler()->setCapturingMouseEventsNode(this);
m_capturing = true;
}
}
UpDownState oldUpDownState = m_upDownState;
m_upDownState = local.y() < box->height() / 2 ? Up : Down;
if (m_upDownState != oldUpDownState)
renderer()->repaint();
} else {
if (m_capturing) {
stopRepeatingTimer();
if (Frame* frame = document()->frame()) {
frame->eventHandler()->setCapturingMouseEventsNode(0);
m_capturing = false;
}
}
}
}
if (!event->defaultHandled())
HTMLDivElement::defaultEventHandler(event);
}
void RenderView::paintBoxDecorations(PaintInfo& paintInfo, const LayoutPoint&)
{
// Check to see if we are enclosed by a layer that requires complex painting rules. If so, we cannot blit
// when scrolling, and we need to use slow repaints. Examples of layers that require this are transparent layers,
// layers with reflections, or transformed layers.
// FIXME: This needs to be dynamic. We should be able to go back to blitting if we ever stop being inside
// a transform, transparency layer, etc.
Element* elt;
for (elt = document()->ownerElement(); view() && elt && elt->renderer(); elt = elt->document()->ownerElement()) {
RenderLayer* layer = elt->renderer()->enclosingLayer();
if (layer->cannotBlitToWindow()) {
frameView()->setCannotBlitToWindow();
break;
}
#if USE(ACCELERATED_COMPOSITING)
if (RenderLayer* compositingLayer = layer->enclosingCompositingLayerForRepaint()) {
if (!compositingLayer->backing()->paintsIntoWindow()) {
frameView()->setCannotBlitToWindow();
break;
}
}
#endif
}
if (document()->ownerElement() || !view())
return;
bool rootFillsViewport = false;
Node* documentElement = document()->documentElement();
if (RenderObject* rootRenderer = documentElement ? documentElement->renderer() : 0) {
// The document element's renderer is currently forced to be a block, but may not always be.
RenderBox* rootBox = rootRenderer->isBox() ? toRenderBox(rootRenderer) : 0;
rootFillsViewport = rootBox && !rootBox->x() && !rootBox->y() && rootBox->width() >= width() && rootBox->height() >= height();
}
Page* page = document()->page();
float pageScaleFactor = page ? page->pageScaleFactor() : 1;
// If painting will entirely fill the view, no need to fill the background.
if (rootFillsViewport && rendererObscuresBackground(firstChild()) && pageScaleFactor >= 1)
return;
// This code typically only executes if the root element's visibility has been set to hidden,
// if there is a transform on the <html>, or if there is a page scale factor less than 1.
// Only fill with the base background color (typically white) if we're the root document,
// since iframes/frames with no background in the child document should show the parent's background.
if (frameView()->isTransparent()) // FIXME: This needs to be dynamic. We should be able to go back to blitting if we ever stop being transparent.
frameView()->setCannotBlitToWindow(); // The parent must show behind the child.
else {
Color baseColor = frameView()->baseBackgroundColor();
if (baseColor.alpha() > 0) {
CompositeOperator previousOperator = paintInfo.context->compositeOperation();
paintInfo.context->setCompositeOperation(CompositeCopy);
paintInfo.context->fillRect(paintInfo.rect, baseColor, style()->colorSpace());
paintInfo.context->setCompositeOperation(previousOperator);
} else
paintInfo.context->clearRect(paintInfo.rect);
}
}
