зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.4 KiB
C++
110 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/dom/HTMLSummaryElement.h"
|
|
|
|
#include "mozilla/dom/HTMLDetailsElement.h"
|
|
#include "mozilla/dom/HTMLElementBinding.h"
|
|
#include "mozilla/dom/HTMLUnknownElement.h"
|
|
#include "mozilla/EventDispatcher.h"
|
|
#include "mozilla/MouseEvents.h"
|
|
#include "mozilla/Preferences.h"
|
|
#include "mozilla/TextEvents.h"
|
|
#include "nsFocusManager.h"
|
|
|
|
NS_IMPL_NS_NEW_HTML_ELEMENT(Summary)
|
|
|
|
namespace mozilla::dom {
|
|
|
|
HTMLSummaryElement::~HTMLSummaryElement() = default;
|
|
|
|
NS_IMPL_ELEMENT_CLONE(HTMLSummaryElement)
|
|
|
|
nsresult HTMLSummaryElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
|
|
nsresult rv = NS_OK;
|
|
if (!aVisitor.mPresContext) {
|
|
return rv;
|
|
}
|
|
|
|
if (aVisitor.mEventStatus == nsEventStatus_eConsumeNoDefault) {
|
|
return rv;
|
|
}
|
|
|
|
if (!IsMainSummary()) {
|
|
return rv;
|
|
}
|
|
|
|
WidgetEvent* const event = aVisitor.mEvent;
|
|
nsCOMPtr<Element> target =
|
|
do_QueryInterface(event->GetOriginalDOMEventTarget());
|
|
if (nsContentUtils::IsInInteractiveHTMLContent(target, this)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (event->HasMouseEventMessage()) {
|
|
WidgetMouseEvent* mouseEvent = event->AsMouseEvent();
|
|
|
|
if (mouseEvent->IsLeftClickEvent()) {
|
|
RefPtr<HTMLDetailsElement> details = GetDetails();
|
|
MOZ_ASSERT(details,
|
|
"Expected to find details since this is the main summary!");
|
|
|
|
// When dispatching a synthesized mouse click event to a details element
|
|
// with 'display: none', both Chrome and Safari do not toggle the 'open'
|
|
// attribute. We had tried to be compatible with this behavior, but found
|
|
// more inconsistency in test cases in bug 1245424. So we stop doing that.
|
|
details->ToggleOpen();
|
|
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
|
|
return NS_OK;
|
|
}
|
|
} // event->HasMouseEventMessage()
|
|
|
|
HandleKeyboardActivation(aVisitor);
|
|
return rv;
|
|
}
|
|
|
|
bool HTMLSummaryElement::IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
|
|
int32_t* aTabIndex) {
|
|
bool disallowOverridingFocusability = nsGenericHTMLElement::IsHTMLFocusable(
|
|
aWithMouse, aIsFocusable, aTabIndex);
|
|
|
|
if (disallowOverridingFocusability || !IsMainSummary()) {
|
|
return disallowOverridingFocusability;
|
|
}
|
|
|
|
// The main summary element is focusable.
|
|
*aIsFocusable = true;
|
|
|
|
// Give a chance to allow the subclass to override aIsFocusable.
|
|
return false;
|
|
}
|
|
|
|
int32_t HTMLSummaryElement::TabIndexDefault() {
|
|
// Make the main summary be able to navigate via tab, and be focusable.
|
|
// See nsGenericHTMLElement::IsHTMLFocusable().
|
|
return IsMainSummary() ? 0 : nsGenericHTMLElement::TabIndexDefault();
|
|
}
|
|
|
|
bool HTMLSummaryElement::IsMainSummary() const {
|
|
HTMLDetailsElement* details = GetDetails();
|
|
if (!details) {
|
|
return false;
|
|
}
|
|
|
|
return details->GetFirstSummary() == this || IsRootOfNativeAnonymousSubtree();
|
|
}
|
|
|
|
HTMLDetailsElement* HTMLSummaryElement::GetDetails() const {
|
|
return HTMLDetailsElement::FromNodeOrNull(GetParent());
|
|
}
|
|
|
|
JSObject* HTMLSummaryElement::WrapNode(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) {
|
|
return HTMLElement_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
} // namespace mozilla::dom
|