bool RenderView::hitTest(const HitTestRequest& request, const HitTestLocation& location, HitTestResult& result)
{
TRACE_EVENT0("blink", "RenderView::hitTest");
m_hitTestCount++;
if (!m_frameView->visibleContentRect().contains(location.roundedPoint()))
return false;
// We have to recursively update layout/style here because otherwise, when the hit test recurses
// into a child document, it could trigger a layout on the parent document, which can destroy RenderLayers
// that are higher up in the call stack, leading to crashes.
// Note that Document::updateLayout calls its parent's updateLayout.
// FIXME: It should be the caller's responsibility to ensure an up-to-date layout.
frameView()->updateLayoutAndStyleIfNeededRecursive();
// RenderView should make sure to update layout before entering hit testing
ASSERT(!frame()->view()->layoutPending());
ASSERT(!document().renderView()->needsLayout());
// TODO(ojan): Does any of this intersection stuff make sense for Sky?
LayoutRect hitTestArea = view()->documentRect();
if (!request.ignoreClipping())
hitTestArea.intersect(frame()->view()->visibleContentRect());
bool insideLayer = hitTestLayer(layer(), 0, request, result, hitTestArea, location);
if (!insideLayer) {
// TODO(ojan): Is this code needed for Sky?
// We didn't hit any layer. If we are the root layer and the mouse is -- or just was -- down,
// return ourselves. We do this so mouse events continue getting delivered after a drag has
// exited the WebView, and so hit testing over a scrollbar hits the content document.
if (request.active() || request.release()) {
updateHitTestResult(result, location.point());
insideLayer = true;
}
}
return insideLayer;
}
// Hit Testing
bool RenderRegion::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
{
if (!isValid())
return false;
LayoutPoint adjustedLocation = accumulatedOffset + location();
// Check our bounds next. For this purpose always assume that we can only be hit in the
// foreground phase (which is true for replaced elements like images).
// FIXME: Once we support overflow, we need to intersect with that and not with the bounds rect.
LayoutRect boundsRect = borderBoxRectInRegion(locationInContainer.region());
boundsRect.moveBy(adjustedLocation);
if (visibleToHitTestRequest(request) && action == HitTestForeground && locationInContainer.intersects(boundsRect)) {
// Check the contents of the RenderFlowThread.
if (m_flowThread->hitTestFlowThreadPortionInRegion(this, flowThreadPortionRect(), flowThreadPortionOverflowRect(), request, result, locationInContainer, LayoutPoint(adjustedLocation.x() + borderLeft() + paddingLeft(), adjustedLocation.y() + borderTop() + paddingTop())))
return true;
updateHitTestResult(result, locationInContainer.point() - toLayoutSize(adjustedLocation));
if (!result.addNodeToRectBasedTestResult(generatingNode(), request, locationInContainer, boundsRect))
return true;
}
return false;
}
bool RenderSVGImage::nodeAtFloatPoint(const HitTestRequest& request, 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, request, style()->pointerEvents());
bool isVisible = (style()->visibility() == VISIBLE);
if (isVisible || !hitRules.requireVisible) {
FloatPoint localPoint;
if (!SVGRenderSupport::transformToUserSpaceAndCheckClipping(this, localToParentTransform(), pointInParent, localPoint))
return false;
if (hitRules.canHitFill || hitRules.canHitBoundingBox) {
if (m_objectBoundingBox.contains(localPoint)) {
updateHitTestResult(result, roundedLayoutPoint(localPoint));
return true;
}
}
}
return false;
}
bool RenderSVGImage::nodeAtPoint(const HitTestRequest&, HitTestResult& result, int _x, int _y, int, int, 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, style()->pointerEvents());
bool isVisible = (style()->visibility() == VISIBLE);
if (isVisible || !hitRules.requireVisible) {
double localX, localY;
absoluteTransform().inverse().map(_x, _y, localX, localY);
if (hitRules.canHitFill) {
if (m_localBounds.contains(narrowPrecisionToFloat(localX), narrowPrecisionToFloat(localY))) {
updateHitTestResult(result, IntPoint(_x, _y));
return true;
}
}
}
return false;
}
bool RenderSVGViewportContainer::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int _x, int _y, int _tx, int _ty, HitTestAction hitTestAction)
{
if (!viewport().isEmpty()
&& style()->overflowX() == OHIDDEN
&& style()->overflowY() == OHIDDEN) {
// Check if we need to do anything at all.
IntRect overflowBox = IntRect(0, 0, width(), height());
overflowBox.move(_tx, _ty);
TransformationMatrix ctm = RenderObject::absoluteTransform();
ctm.translate(viewport().x(), viewport().y());
double localX, localY;
ctm.inverse().map(_x - _tx, _y - _ty, &localX, &localY);
if (!overflowBox.contains((int)localX, (int)localY))
return false;
}
int sx = 0;
int sy = 0;
// Respect parent translation offset for non-outermost <svg> elements.
// Outermost <svg> element is handled by RenderSVGRoot.
if (element()->hasTagName(SVGNames::svgTag)) {
sx = _tx;
sy = _ty;
}
for (RenderObject* child = lastChild(); child; child = child->previousSibling()) {
if (child->nodeAtPoint(request, result, _x - sx, _y - sy, _tx, _ty, hitTestAction)) {
updateHitTestResult(result, IntPoint(_x - _tx, _y - _ty));
return true;
}
}
// Spec: Only graphical elements can be targeted by the mouse, period.
// 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;
}
bool RenderSVGImage::nodeAtFloatPoint(const HitTestRequest& request, 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, request, style()->pointerEvents());
bool isVisible = (style()->visibility() == VISIBLE);
if (isVisible || !hitRules.requireVisible) {
FloatPoint localPoint = localToParentTransform().inverse().mapPoint(pointInParent);
if (!SVGRenderSupport::pointInClippingArea(this, localPoint))
return false;
if (hitRules.canHitFill) {
if (m_localBounds.contains(localPoint)) {
updateHitTestResult(result, roundedIntPoint(localPoint));
return true;
}
}
}
return false;
}
void WebWidget::showContextMenu(const QPoint &position)
{
m_contextMenuReason = QContextMenuEvent::Other;
const bool hasSelection = (this->hasSelection() && !getSelectedText().trimmed().isEmpty());
if (m_ignoreContextMenu || (position.isNull() && (!hasSelection || m_clickPosition.isNull())))
{
return;
}
const QPoint hitPosition = (position.isNull() ? m_clickPosition : position);
if (isScrollBar(hitPosition) || (SettingsManager::getValue(QLatin1String("Browser/JavaScriptCanDisableContextMenu")).toBool() && !canShowContextMenu(hitPosition)))
{
return;
}
updateHitTestResult(hitPosition);
updateEditActions();
QStringList flags;
if (m_hitResult.flags.testFlag(IsFormTest))
{
flags.append(QLatin1String("form"));
}
if (!m_hitResult.imageUrl.isValid() && m_hitResult.flags.testFlag(IsSelectedTest) && hasSelection)
{
flags.append(QLatin1String("selection"));
}
if (m_hitResult.linkUrl.isValid())
{
if (m_hitResult.linkUrl.scheme() == QLatin1String("mailto"))
{
flags.append(QLatin1String("mail"));
}
else
{
flags.append(QLatin1String("link"));
}
}
if (!m_hitResult.imageUrl.isEmpty())
{
flags.append(QLatin1String("image"));
}
if (m_hitResult.mediaUrl.isValid())
{
flags.append(QLatin1String("media"));
}
if (m_hitResult.flags.testFlag(IsContentEditableTest))
{
flags.append(QLatin1String("edit"));
}
if (flags.isEmpty() || (flags.size() == 1 && flags.first() == QLatin1String("form")))
{
flags.append(QLatin1String("standard"));
if (m_hitResult.frameUrl.isValid())
{
flags.append(QLatin1String("frame"));
}
}
if (flags.isEmpty())
{
return;
}
Menu menu(Menu::NoMenuRole, this);
menu.load(QLatin1String("menu/webWidget.json"), flags);
menu.exec(mapToGlobal(hitPosition));
}