void HTMLLabelElement::defaultEventHandler(Event* evt)
{
static bool processingClick = false;
if (evt->type() == EventTypeNames::click && !processingClick) {
// If the click is not simulated and the text of label element is
// selected, do not pass the event to control element.
// Note: a click event may be not a mouse event if created by
// document.createEvent().
if (evt->isMouseEvent() && !toMouseEvent(evt)->isSimulated()) {
if (LocalFrame* frame = document().frame()) {
if (frame->selection().selection().isRange())
return;
}
}
RefPtrWillBeRawPtr<HTMLElement> element = control();
// If we can't find a control or if the control received the click
// event, then there's no need for us to do anything.
if (!element || (evt->target() && element->containsIncludingShadowDOM(evt->target()->toNode())))
return;
if (evt->target() && isInInteractiveContent(evt->target()->toNode()))
return;
processingClick = true;
document().updateLayoutIgnorePendingStylesheets();
if (element->isMouseFocusable())
element->focus(true, FocusTypeMouse);
// Click the corresponding control.
element->dispatchSimulatedClick(evt);
processingClick = false;
evt->setDefaultHandled();
}
HTMLElement::defaultEventHandler(evt);
}
void HTMLLabelElement::defaultEventHandler(Event* evt)
{
if (evt->type() == EventTypeNames::click && !m_processingClick) {
RefPtrWillBeRawPtr<HTMLElement> element = control();
// If we can't find a control or if the control received the click
// event, then there's no need for us to do anything.
if (!element || (evt->target() && element->containsIncludingShadowDOM(evt->target()->toNode())))
return;
if (evt->target() && isInInteractiveContent(evt->target()->toNode()))
return;
// Behaviour of label element is as follows:
// - If there is double click, two clicks will be passed to control
// element. Control element will *not* be focused.
// - If there is selection of label element by dragging, no click
// event is passed. Also, no focus on control element.
// - If there is already a selection on label element and then label
// is clicked, then click event is passed to control element and
// control element is focused.
bool isLabelTextSelected = false;
// If the click is not simulated and the text of the label element
// is selected by dragging over it, then return without passing the
// click event to control element.
// Note: a click event may be not a mouse event if created by
// document.createEvent().
if (evt->isMouseEvent() && !toMouseEvent(evt)->isSimulated()) {
if (LocalFrame* frame = document().frame()) {
// Check if there is a selection and click is not on the
// selection.
if (!Position::nodeIsUserSelectNone(this) && frame->selection().isRange() && !frame->eventHandler().mouseDownWasSingleClickInSelection())
isLabelTextSelected = true;
// If selection is there and is single click i.e. text is
// selected by dragging over label text, then return.
// Click count >=2, meaning double click or triple click,
// should pass click event to control element.
// Only in case of drag, *neither* we pass the click event,
// *nor* we focus the control element.
if (isLabelTextSelected && frame->eventHandler().clickCount() == 1)
return;
}
}
m_processingClick = true;
document().updateLayoutIgnorePendingStylesheets();
if (element->isMouseFocusable()) {
// If the label is *not* selected, or if the click happened on
// selection of label, only then focus the control element.
// In case of double click or triple click, selection will be there,
// so do not focus the control element.
if (!isLabelTextSelected)
element->focus(true, FocusTypeMouse);
}
// Click the corresponding control.
element->dispatchSimulatedClick(evt);
m_processingClick = false;
evt->setDefaultHandled();
}
HTMLElement::defaultEventHandler(evt);
}
