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/* -*- 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/HTMLLegendElement.h"
#include "mozilla/dom/ElementBinding.h"
#include "mozilla/dom/HTMLLegendElementBinding.h"
#include "nsFocusManager.h"
#include "nsIFrame.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Legend)
namespace mozilla {
namespace dom {
HTMLLegendElement::~HTMLLegendElement() = default;
NS_IMPL_ELEMENT_CLONE(HTMLLegendElement)
nsIContent* HTMLLegendElement::GetFieldSet() const {
nsIContent* parent = GetParent();
if (parent && parent->IsHTMLElement(nsGkAtoms::fieldset)) {
return parent;
}
return nullptr;
}
bool HTMLLegendElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) {
// this contains center, because IE4 does
static const nsAttrValue::EnumTable kAlignTable[] = {
{"left", LegendAlignValue::Left},
{"right", LegendAlignValue::Right},
{"center", LegendAlignValue::Center},
{nullptr, 0}};
if (aAttribute == nsGkAtoms::align && aNamespaceID == kNameSpaceID_None) {
return aResult.ParseEnumValue(aValue, kAlignTable, false);
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aMaybeScriptedPrincipal, aResult);
}
nsChangeHint HTMLLegendElement::GetAttributeChangeHint(const nsAtom* aAttribute,
int32_t aModType) const {
nsChangeHint retval =
nsGenericHTMLElement::GetAttributeChangeHint(aAttribute, aModType);
if (aAttribute == nsGkAtoms::align) {
retval |= NS_STYLE_HINT_REFLOW;
}
return retval;
}
nsresult HTMLLegendElement::BindToTree(BindContext& aContext,
nsINode& aParent) {
return nsGenericHTMLElement::BindToTree(aContext, aParent);
}
void HTMLLegendElement::UnbindFromTree(bool aNullParent) {
nsGenericHTMLElement::UnbindFromTree(aNullParent);
}
void HTMLLegendElement::Focus(const FocusOptions& aOptions,
const mozilla::dom::CallerType aCallerType,
ErrorResult& aError) {
nsIFrame* frame = GetPrimaryFrame();
if (!frame) {
return;
}
int32_t tabIndex;
if (frame->IsFocusable(&tabIndex, false)) {
nsGenericHTMLElement::Focus(aOptions, aCallerType, aError);
return;
}
// If the legend isn't focusable, focus whatever is focusable following
// the legend instead, bug 81481.
nsFocusManager* fm = nsFocusManager::GetFocusManager();
if (!fm) {
return;
}
RefPtr<Element> result;
aError = fm->MoveFocus(
nullptr, this, nsIFocusManager::MOVEFOCUS_FORWARD,
nsIFocusManager::FLAG_NOPARENTFRAME |
nsFocusManager::FocusOptionsToFocusManagerFlags(aOptions),
getter_AddRefs(result));
}
bool HTMLLegendElement::PerformAccesskey(bool aKeyCausesActivation,
bool aIsTrustedEvent) {
FocusOptions options;
ErrorResult rv;
Focus(options, CallerType::System, rv);
return NS_SUCCEEDED(rv.StealNSResult());
}
already_AddRefed<HTMLFormElement> HTMLLegendElement::GetForm() {
Element* form = GetFormElement();
MOZ_ASSERT_IF(form, form->IsHTMLElement(nsGkAtoms::form));
RefPtr<HTMLFormElement> ret = static_cast<HTMLFormElement*>(form);
return ret.forget();
}
JSObject* HTMLLegendElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLLegendElement_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla