bool LayoutSVGImage::nodeAtFloatPoint(HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
{
// We only draw in the forground phase, so we only hit-test then.
if (hitTestAction != HitTestForeground)
return false;
PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_IMAGE_HITTESTING, result.hitTestRequest(), style()->pointerEvents());
bool isVisible = (style()->visibility() == VISIBLE);
if (isVisible || !hitRules.requireVisible) {
FloatPoint localPoint;
if (!SVGLayoutSupport::transformToUserSpaceAndCheckClipping(this, localToSVGParentTransform(), pointInParent, localPoint))
return false;
if (hitRules.canHitFill || hitRules.canHitBoundingBox) {
if (m_objectBoundingBox.contains(localPoint)) {
const LayoutPoint& localLayoutPoint = roundedLayoutPoint(localPoint);
updateHitTestResult(result, localLayoutPoint);
if (result.addNodeToListBasedTestResult(element(), localLayoutPoint) == StopHitTesting)
return true;
}
}
}
return false;
}
bool LayoutSVGShape::nodeAtFloatPoint(HitTestResult& result,
const FloatPoint& pointInParent,
HitTestAction hitTestAction) {
// We only draw in the foreground phase, so we only hit-test then.
if (hitTestAction != HitTestForeground)
return false;
FloatPoint localPoint;
if (!SVGLayoutSupport::transformToUserSpaceAndCheckClipping(
*this, localToSVGParentTransform(), pointInParent, localPoint))
return false;
PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_GEOMETRY_HITTESTING,
result.hitTestRequest(),
style()->pointerEvents());
if (nodeAtFloatPointInternal(result.hitTestRequest(), localPoint, hitRules)) {
const LayoutPoint& localLayoutPoint = LayoutPoint(localPoint);
updateHitTestResult(result, localLayoutPoint);
if (result.addNodeToListBasedTestResult(element(), localLayoutPoint) ==
StopHitTesting)
return true;
}
return false;
}
FloatRect LayoutSVGResourceMarker::markerBoundaries(const AffineTransform& markerTransformation) const
{
FloatRect coordinates = LayoutSVGContainer::paintInvalidationRectInLocalSVGCoordinates();
// Map paint invalidation rect into parent coordinate space, in which the marker boundaries have to be evaluated
coordinates = localToSVGParentTransform().mapRect(coordinates);
return markerTransformation.mapRect(coordinates);
}
bool LayoutSVGContainer::nodeAtFloatPoint(HitTestResult& result,
const FloatPoint& pointInParent,
HitTestAction hitTestAction) {
// Give LayoutSVGViewportContainer a chance to apply its viewport clip
if (!pointIsInsideViewportClip(pointInParent))
return false;
FloatPoint localPoint;
if (!SVGLayoutSupport::transformToUserSpaceAndCheckClipping(
*this, localToSVGParentTransform(), pointInParent, localPoint))
return false;
for (LayoutObject* child = lastChild(); child;
child = child->previousSibling()) {
if (child->nodeAtFloatPoint(result, localPoint, hitTestAction)) {
const LayoutPoint& localLayoutPoint = roundedLayoutPoint(localPoint);
updateHitTestResult(result, localLayoutPoint);
if (result.addNodeToListBasedTestResult(
child->node(), localLayoutPoint) == StopHitTesting)
return true;
}
}
// pointer-events: bounding-box makes it possible for containers to be direct
// targets.
if (style()->pointerEvents() == PE_BOUNDINGBOX) {
// Check for a valid bounding box because it will be invalid for empty
// containers.
if (isObjectBoundingBoxValid() &&
objectBoundingBox().contains(localPoint)) {
const LayoutPoint& localLayoutPoint = roundedLayoutPoint(localPoint);
updateHitTestResult(result, localLayoutPoint);
if (result.addNodeToListBasedTestResult(element(), localLayoutPoint) ==
StopHitTesting)
return true;
}
}
// 16.4: "If there are no graphics elements whose relevant graphics content is
// under the pointer (i.e., there is no target element), the event is not
// dispatched."
return false;
}
