gecko-dev/dom/html/HTMLDialogElement.cpp

96 строки
2.3 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/HTMLDialogElement.h"
#include "mozilla/dom/HTMLDialogElementBinding.h"
#include "mozilla/dom/HTMLUnknownElement.h"
#include "mozilla/Preferences.h"
// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Dialog) with pref check
nsGenericHTMLElement*
NS_NewHTMLDialogElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
mozilla::dom::FromParser aFromParser)
{
if (!mozilla::dom::HTMLDialogElement::IsDialogEnabled()) {
return new mozilla::dom::HTMLUnknownElement(aNodeInfo);
}
return new mozilla::dom::HTMLDialogElement(aNodeInfo);
}
namespace mozilla {
namespace dom {
HTMLDialogElement::~HTMLDialogElement()
{
}
NS_IMPL_ELEMENT_CLONE(HTMLDialogElement)
bool
HTMLDialogElement::IsDialogEnabled()
{
static bool isDialogEnabled = false;
static bool added = false;
if (!added) {
Preferences::AddBoolVarCache(&isDialogEnabled,
"dom.dialog_element.enabled");
added = true;
}
return isDialogEnabled;
}
void
HTMLDialogElement::Close(const mozilla::dom::Optional<nsAString>& aReturnValue)
{
if (!Open()) {
return;
}
if (aReturnValue.WasPassed()) {
SetReturnValue(aReturnValue.Value());
}
ErrorResult ignored;
SetOpen(false, ignored);
ignored.SuppressException();
RefPtr<AsyncEventDispatcher> eventDispatcher =
new AsyncEventDispatcher(this, NS_LITERAL_STRING("close"), false);
eventDispatcher->PostDOMEvent();
}
void
HTMLDialogElement::Show()
{
if (Open()) {
return;
}
ErrorResult ignored;
SetOpen(true, ignored);
ignored.SuppressException();
}
void
HTMLDialogElement::ShowModal(ErrorResult& aError)
{
if (!IsInComposedDoc() || Open()) {
aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
SetOpen(true, aError);
aError.SuppressException();
}
JSObject*
HTMLDialogElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLDialogElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla