nsresult
HTMLButtonElement::GetEventTargetParent(EventChainPreVisitor& aVisitor)
{
aVisitor.mCanHandle = false;
if (IsDisabledForEvents(aVisitor.mEvent->mMessage)) {
return NS_OK;
}
// Track whether we're in the outermost Dispatch invocation that will
// cause activation of the input. That is, if we're a click event, or a
// DOMActivate that was dispatched directly, this will be set, but if we're
// a DOMActivate dispatched from click handling, it will not be set.
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
bool outerActivateEvent =
((mouseEvent && mouseEvent->IsLeftClickEvent()) ||
(aVisitor.mEvent->mMessage == eLegacyDOMActivate &&
!mInInternalActivate));
if (outerActivateEvent) {
aVisitor.mItemFlags |= NS_OUTER_ACTIVATE_EVENT;
if (mType == NS_FORM_BUTTON_SUBMIT && mForm) {
aVisitor.mItemFlags |= NS_IN_SUBMIT_CLICK;
// tell the form that we are about to enter a click handler.
// that means that if there are scripted submissions, the
// latest one will be deferred until after the exit point of the handler.
mForm->OnSubmitClickBegin(this);
}
}
return nsGenericHTMLElement::GetEventTargetParent(aVisitor);
}
void HTMLTextAreaElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
aVisitor.mCanHandle = false;
if (IsDisabledForEvents(aVisitor.mEvent)) {
return;
}
// Don't dispatch a second select event if we are already handling
// one.
if (aVisitor.mEvent->mMessage == eFormSelect) {
if (mHandlingSelect) {
return;
}
mHandlingSelect = true;
}
// If noContentDispatch is true we will not allow content to handle
// this event. But to allow middle mouse button paste to work we must allow
// middle clicks to go to text fields anyway.
if (aVisitor.mEvent->mFlags.mNoContentDispatch) {
aVisitor.mItemFlags |= NS_NO_CONTENT_DISPATCH;
}
if (aVisitor.mEvent->mMessage == eMouseClick &&
aVisitor.mEvent->AsMouseEvent()->button ==
WidgetMouseEvent::eMiddleButton) {
aVisitor.mEvent->mFlags.mNoContentDispatch = false;
}
if (aVisitor.mEvent->mMessage == eBlur) {
// Set mWantsPreHandleEvent and fire change event in PreHandleEvent to
// prevent it breaks event target chain creation.
aVisitor.mWantsPreHandleEvent = true;
}
nsGenericHTMLFormElementWithState::GetEventTargetParent(aVisitor);
}
nsresult
HTMLTextAreaElement::PreHandleEvent(nsEventChainPreVisitor& aVisitor)
{
aVisitor.mCanHandle = false;
if (IsDisabledForEvents(aVisitor.mEvent->message)) {
return NS_OK;
}
// Don't dispatch a second select event if we are already handling
// one.
if (aVisitor.mEvent->message == NS_FORM_SELECTED) {
if (mHandlingSelect) {
return NS_OK;
}
mHandlingSelect = true;
}
// If noContentDispatch is true we will not allow content to handle
// this event. But to allow middle mouse button paste to work we must allow
// middle clicks to go to text fields anyway.
if (aVisitor.mEvent->mFlags.mNoContentDispatch) {
aVisitor.mItemFlags |= NS_NO_CONTENT_DISPATCH;
}
if (aVisitor.mEvent->message == NS_MOUSE_CLICK &&
aVisitor.mEvent->eventStructType == NS_MOUSE_EVENT &&
static_cast<nsMouseEvent*>(aVisitor.mEvent)->button ==
nsMouseEvent::eMiddleButton) {
aVisitor.mEvent->mFlags.mNoContentDispatch = false;
}
// Fire onchange (if necessary), before we do the blur, bug 370521.
if (aVisitor.mEvent->message == NS_BLUR_CONTENT) {
FireChangeEventIfNeeded();
}
return nsGenericHTMLFormElement::PreHandleEvent(aVisitor);
}
nsresult
HTMLTextAreaElement::PreHandleEvent(EventChainPreVisitor& aVisitor)
{
aVisitor.mCanHandle = false;
if (IsDisabledForEvents(aVisitor.mEvent->mMessage)) {
return NS_OK;
}
// Don't dispatch a second select event if we are already handling
// one.
if (aVisitor.mEvent->mMessage == eFormSelect) {
if (mHandlingSelect) {
return NS_OK;
}
mHandlingSelect = true;
}
// If noContentDispatch is true we will not allow content to handle
// this event. But to allow middle mouse button paste to work we must allow
// middle clicks to go to text fields anyway.
if (aVisitor.mEvent->mFlags.mNoContentDispatch) {
aVisitor.mItemFlags |= NS_NO_CONTENT_DISPATCH;
}
if (aVisitor.mEvent->mMessage == eMouseClick &&
aVisitor.mEvent->AsMouseEvent()->button ==
WidgetMouseEvent::eMiddleButton) {
aVisitor.mEvent->mFlags.mNoContentDispatch = false;
}
// Fire onchange (if necessary), before we do the blur, bug 370521.
if (aVisitor.mEvent->mMessage == eBlur) {
FireChangeEventIfNeeded();
}
return nsGenericHTMLFormElementWithState::PreHandleEvent(aVisitor);
}
