Node* TreeScope::nodeFromPoint(const LayoutPoint& clientPoint, LayoutPoint* localPoint)
{
auto* frame = documentScope().frame();
auto* view = documentScope().view();
if (!frame || !view)
return nullptr;
float scaleFactor = frame->pageZoomFactor() * frame->frameScaleFactor();
LayoutPoint contentsPoint = clientPoint;
contentsPoint.scale(scaleFactor);
contentsPoint.moveBy(view->contentsScrollPosition());
LayoutRect visibleRect;
#if PLATFORM(IOS)
visibleRect = view->unobscuredContentRect();
#else
visibleRect = view->visibleContentRect();
#endif
if (!visibleRect.contains(contentsPoint))
return nullptr;
HitTestResult result(contentsPoint);
documentScope().renderView()->hitTest(HitTestRequest(), result);
if (localPoint)
*localPoint = result.localPoint();
return result.innerNode();
}
LayoutRect TableCellPainter::paintBounds(const LayoutPoint& paintOffset, PaintBoundOffsetBehavior paintBoundOffsetBehavior)
{
LayoutPoint adjustedPaintOffset = paintOffset;
if (paintBoundOffsetBehavior == AddOffsetFromParent)
adjustedPaintOffset.moveBy(m_layoutTableCell.location());
return LayoutRect(adjustedPaintOffset, LayoutSize(m_layoutTableCell.pixelSnappedSize()));
}
void ImagePainter::paintAreaElementFocusRing(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
Document& document = m_layoutImage.document();
if (paintInfo.isPrinting() ||
!document.frame()->selection().isFocusedAndActive())
return;
Element* focusedElement = document.focusedElement();
if (!isHTMLAreaElement(focusedElement))
return;
HTMLAreaElement& areaElement = toHTMLAreaElement(*focusedElement);
if (areaElement.imageElement() != m_layoutImage.node())
return;
// Even if the theme handles focus ring drawing for entire elements, it won't
// do it for an area within an image, so we don't call
// LayoutTheme::themeDrawsFocusRing here.
const ComputedStyle& areaElementStyle = *areaElement.ensureComputedStyle();
// If the outline width is 0 we want to avoid drawing anything even if we
// don't use the value directly.
if (!areaElementStyle.outlineWidth())
return;
Path path = areaElement.getPath(&m_layoutImage);
if (path.isEmpty())
return;
LayoutPoint adjustedPaintOffset = paintOffset;
adjustedPaintOffset.moveBy(m_layoutImage.location());
path.translate(FloatSize(adjustedPaintOffset.x(), adjustedPaintOffset.y()));
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
paintInfo.context, m_layoutImage, DisplayItem::kImageAreaFocusRing))
return;
LayoutRect focusRect = m_layoutImage.contentBoxRect();
focusRect.moveBy(adjustedPaintOffset);
LayoutObjectDrawingRecorder drawingRecorder(paintInfo.context, m_layoutImage,
DisplayItem::kImageAreaFocusRing,
focusRect);
// FIXME: Clip path instead of context when Skia pathops is ready.
// https://crbug.com/251206
paintInfo.context.save();
paintInfo.context.clip(pixelSnappedIntRect(focusRect));
paintInfo.context.drawFocusRing(
path, areaElementStyle.getOutlineStrokeWidthForFocusRing(),
areaElementStyle.outlineOffset(),
m_layoutImage.resolveColor(areaElementStyle, CSSPropertyOutlineColor));
paintInfo.context.restore();
}
LayoutPoint RenderBoxModelObject::adjustedPositionRelativeToOffsetParent(const LayoutPoint& startPoint) const
{
// If the element is the HTML body element or doesn't have a parent
// return 0 and stop this algorithm.
if (isBody() || !parent())
return LayoutPoint();
LayoutPoint referencePoint = startPoint;
referencePoint.move(parent()->columnOffset(referencePoint));
// If the offsetParent of the element is null, or is the HTML body element,
// return the distance between the canvas origin and the left border edge
// of the element and stop this algorithm.
Element* element = offsetParent();
if (!element)
return referencePoint;
if (const RenderBoxModelObject* offsetParent = element->renderBoxModelObject()) {
if (offsetParent->isBox() && !offsetParent->isBody())
referencePoint.move(-toRenderBox(offsetParent)->borderLeft(), -toRenderBox(offsetParent)->borderTop());
if (!isOutOfFlowPositioned() || flowThreadContainingBlock()) {
if (isRelPositioned())
referencePoint.move(relativePositionOffset());
RenderObject* current;
for (current = parent(); current != offsetParent && current->parent(); current = current->parent()) {
// FIXME: What are we supposed to do inside SVG content?
if (!isOutOfFlowPositioned()) {
if (current->isBox() && !current->isTableRow())
referencePoint.moveBy(toRenderBox(current)->topLeftLocation());
referencePoint.move(current->parent()->columnOffset(referencePoint));
}
}
if (offsetParent->isBox() && offsetParent->isBody() && !offsetParent->isPositioned())
referencePoint.moveBy(toRenderBox(offsetParent)->topLeftLocation());
}
}
return referencePoint;
}
bool InlineTextBox::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
{
if (isLineBreak() || m_truncation == cFullTruncation)
return false;
LayoutPoint boxOrigin = locationIncludingFlipping();
boxOrigin.moveBy(accumulatedOffset);
LayoutRect rect(boxOrigin, size());
if (visibleToHitTestRequest(result.hitTestRequest()) && locationInContainer.intersects(rect)) {
getLineLayoutItem().updateHitTestResult(result, flipForWritingMode(locationInContainer.point() - toLayoutSize(accumulatedOffset)));
if (result.addNodeToListBasedTestResult(getLineLayoutItem().node(), locationInContainer, rect) == StopHitTesting)
return true;
}
return false;
}
void BlockPainter::paintContinuationOutlines(const PaintInfo& info, const LayoutPoint& paintOffset)
{
LayoutInline* inlineCont = m_layoutBlock.inlineElementContinuation();
if (inlineCont && inlineCont->style()->hasOutline() && inlineCont->style()->visibility() == VISIBLE) {
LayoutInline* inlineLayoutObject = toLayoutInline(inlineCont->node()->layoutObject());
LayoutBlock* cb = m_layoutBlock.containingBlock();
bool inlineEnclosedInSelfPaintingLayer = false;
for (LayoutBoxModelObject* box = inlineLayoutObject; box != cb; box = box->parent()->enclosingBoxModelObject()) {
if (box->hasSelfPaintingLayer()) {
inlineEnclosedInSelfPaintingLayer = true;
break;
}
}
// Do not add continuations for outline painting by our containing block if we are a relative positioned
// anonymous block (i.e. have our own layer), paint them straightaway instead. This is because a block depends on layoutObjects in its continuation table being
// in the same layer.
if (!inlineEnclosedInSelfPaintingLayer && !m_layoutBlock.hasLayer()) {
cb->addContinuationWithOutline(inlineLayoutObject);
} else if (!inlineLayoutObject->firstLineBox() || (!inlineEnclosedInSelfPaintingLayer && m_layoutBlock.hasLayer())) {
// The outline might be painted multiple times if multiple blocks have the same inline element continuation, and the inline has a self-painting layer.
ScopeRecorder scopeRecorder(*info.context);
InlinePainter(*inlineLayoutObject).paintOutline(info, paintOffset - m_layoutBlock.locationOffset() + inlineLayoutObject->containingBlock()->location());
}
}
ContinuationOutlineTableMap* table = continuationOutlineTable();
if (table->isEmpty())
return;
OwnPtr<ListHashSet<LayoutInline*>> continuations = table->take(&m_layoutBlock);
if (!continuations)
return;
LayoutPoint accumulatedPaintOffset = paintOffset;
// Paint each continuation outline.
ListHashSet<LayoutInline*>::iterator end = continuations->end();
for (ListHashSet<LayoutInline*>::iterator it = continuations->begin(); it != end; ++it) {
// Need to add in the coordinates of the intervening blocks.
LayoutInline* flow = *it;
LayoutBlock* block = flow->containingBlock();
for ( ; block && block != &m_layoutBlock; block = block->containingBlock())
accumulatedPaintOffset.moveBy(block->location());
ASSERT(block);
InlinePainter(*flow).paintOutline(info, accumulatedPaintOffset);
}
}
bool EllipsisBox::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
{
// FIXME: the call to roundedLayoutPoint() below is temporary and should be removed once
// the transition to LayoutUnit-based types is complete (crbug.com/321237)
LayoutPoint adjustedLocation = accumulatedOffset + topLeft();
LayoutPoint boxOrigin = locationIncludingFlipping();
boxOrigin.moveBy(accumulatedOffset);
LayoutRect boundsRect(boxOrigin, size());
if (visibleToHitTestRequest(result.hitTestRequest()) && boundsRect.intersects(LayoutRect(HitTestLocation::rectForPoint(locationInContainer.point(), 0, 0, 0, 0)))) {
lineLayoutItem().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(adjustedLocation));
if (result.addNodeToListBasedTestResult(lineLayoutItem().node(), locationInContainer, boundsRect) == StopHitTesting)
return true;
}
return false;
}
bool InlineTextBox::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
{
if (isLineBreak())
return false;
LayoutPoint boxOrigin = locationIncludingFlipping();
boxOrigin.moveBy(accumulatedOffset);
LayoutRect rect(boxOrigin, size());
// FIXME: both calls to rawValue() below is temporary and should be removed once the transition
// to LayoutUnit-based types is complete (crbug.com/321237)
if (m_truncation != cFullTruncation && visibleToHitTestRequest(result.hitTestRequest()) && locationInContainer.intersects(rect)) {
lineLayoutItem().updateHitTestResult(result, flipForWritingMode(locationInContainer.point() - toLayoutSize(accumulatedOffset)));
if (!result.addNodeToListBasedTestResult(lineLayoutItem().node(), locationInContainer, rect))
return true;
}
return false;
}
void DeprecatedPaintLayerPainter::paintFragmentByApplyingTransform(GraphicsContext* context, const DeprecatedPaintLayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags, const LayoutPoint& fragmentTranslation)
{
// This involves subtracting out the position of the layer in our current coordinate space, but preserving
// the accumulated error for sub-pixel layout.
LayoutPoint delta;
m_paintLayer.convertToLayerCoords(paintingInfo.rootLayer, delta);
delta.moveBy(fragmentTranslation);
TransformationMatrix transform(m_paintLayer.renderableTransform(paintingInfo.globalPaintFlags()));
IntPoint roundedDelta = roundedIntPoint(delta);
transform.translateRight(roundedDelta.x(), roundedDelta.y());
LayoutSize adjustedSubPixelAccumulation = paintingInfo.subPixelAccumulation + (delta - roundedDelta);
Transform3DRecorder transform3DRecorder(*context, *m_paintLayer.layoutObject(), DisplayItem::Transform3DElementTransform, transform);
// Now do a paint with the root layer shifted to be us.
DeprecatedPaintLayerPaintingInfo transformedPaintingInfo(&m_paintLayer, LayoutRect(enclosingIntRect(transform.inverse().mapRect(paintingInfo.paintDirtyRect))), paintingInfo.globalPaintFlags(),
adjustedSubPixelAccumulation, paintingInfo.paintingRoot);
paintLayerContentsAndReflection(context, transformedPaintingInfo, paintFlags, ForceSingleFragment);
}
void EllipsisBoxPainter::paintEllipsis(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom, const ComputedStyle& style)
{
bool haveSelection = !paintInfo.isPrinting() && paintInfo.phase != PaintPhaseTextClip && m_ellipsisBox.getSelectionState() != SelectionNone;
LayoutRect paintRect(m_ellipsisBox.logicalFrameRect());
if (haveSelection)
paintRect.unite(LayoutRect(m_ellipsisBox.selectionRect()));
m_ellipsisBox.logicalRectToPhysicalRect(paintRect);
paintRect.moveBy(paintOffset);
GraphicsContext& context = paintInfo.context;
DisplayItem::Type displayItemType = DisplayItem::paintPhaseToDrawingType(paintInfo.phase);
if (DrawingRecorder::useCachedDrawingIfPossible(context, m_ellipsisBox, displayItemType))
return;
DrawingRecorder recorder(context, m_ellipsisBox, displayItemType, FloatRect(paintRect));
LayoutPoint boxOrigin = m_ellipsisBox.locationIncludingFlipping();
boxOrigin.moveBy(paintOffset);
LayoutRect boxRect(boxOrigin, LayoutSize(m_ellipsisBox.logicalWidth(), m_ellipsisBox.virtualLogicalHeight()));
GraphicsContextStateSaver stateSaver(context);
if (!m_ellipsisBox.isHorizontal())
context.concatCTM(TextPainter::rotation(boxRect, TextPainter::Clockwise));
const Font& font = style.font();
if (haveSelection)
paintSelection(context, boxOrigin, style, font);
else if (paintInfo.phase == PaintPhaseSelection)
return;
TextPainter::Style textStyle = TextPainter::textPaintingStyle(m_ellipsisBox.getLineLayoutItem(), style, paintInfo);
if (haveSelection)
textStyle = TextPainter::selectionPaintingStyle(m_ellipsisBox.getLineLayoutItem(), true, paintInfo, textStyle);
TextRun textRun = constructTextRun(font, m_ellipsisBox.ellipsisStr(), style, TextRun::AllowTrailingExpansion);
LayoutPoint textOrigin(boxOrigin.x(), boxOrigin.y() + font.getFontMetrics().ascent());
TextPainter textPainter(context, font, textRun, textOrigin, boxRect, m_ellipsisBox.isHorizontal());
textPainter.paint(0, m_ellipsisBox.ellipsisStr().length(), m_ellipsisBox.ellipsisStr().length(), textStyle);
}
PaintLayerPainter::PaintResult PaintLayerPainter::paintFragmentByApplyingTransform(GraphicsContext& context, const PaintLayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags, const LayoutPoint& fragmentTranslation)
{
// This involves subtracting out the position of the layer in our current coordinate space, but preserving
// the accumulated error for sub-pixel layout.
LayoutPoint delta;
m_paintLayer.convertToLayerCoords(paintingInfo.rootLayer, delta);
delta.moveBy(fragmentTranslation);
TransformationMatrix transform(m_paintLayer.renderableTransform(paintingInfo.globalPaintFlags()));
IntPoint roundedDelta = roundedIntPoint(delta);
transform.translateRight(roundedDelta.x(), roundedDelta.y());
LayoutSize adjustedSubPixelAccumulation = paintingInfo.subPixelAccumulation + (delta - roundedDelta);
// TODO(jbroman): Put the real transform origin here, instead of using a
// matrix with the origin baked in.
FloatPoint3D transformOrigin;
Transform3DRecorder transform3DRecorder(context, *m_paintLayer.layoutObject(), DisplayItem::Transform3DElementTransform, transform, transformOrigin);
// Now do a paint with the root layer shifted to be us.
PaintLayerPaintingInfo transformedPaintingInfo(&m_paintLayer, LayoutRect(enclosingIntRect(transform.inverse().mapRect(paintingInfo.paintDirtyRect))), paintingInfo.globalPaintFlags(),
adjustedSubPixelAccumulation);
transformedPaintingInfo.ancestorHasClipPathClipping = paintingInfo.ancestorHasClipPathClipping;
return paintLayerContentsAndReflection(context, transformedPaintingInfo, paintFlags, ForceSingleFragment);
}
