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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/HTMLLegendElementBinding.h"
#include "nsIDOMHTMLFormElement.h"
#include "nsFocusManager.h"
#include "nsIFrame.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Legend)
namespace mozilla {
namespace dom {
HTMLLegendElement::~HTMLLegendElement()
{
}
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,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
// this contains center, because IE4 does
static const nsAttrValue::EnumTable kAlignTable[] = {
{ "left", NS_STYLE_TEXT_ALIGN_LEFT },
{ "right", NS_STYLE_TEXT_ALIGN_RIGHT },
{ "center", NS_STYLE_TEXT_ALIGN_CENTER },
{ "bottom", NS_STYLE_VERTICAL_ALIGN_BOTTOM },
{ "top", NS_STYLE_VERTICAL_ALIGN_TOP },
{ nullptr, 0 }
};
if (aAttribute == nsGkAtoms::align && aNamespaceID == kNameSpaceID_None) {
return aResult.ParseEnumValue(aValue, kAlignTable, false);
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aResult);
}
nsChangeHint
HTMLLegendElement::GetAttributeChangeHint(const nsIAtom* 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(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers)
{
return nsGenericHTMLElement::BindToTree(aDocument, aParent,
aBindingParent,
aCompileEventHandlers);
}
void
HTMLLegendElement::UnbindFromTree(bool aDeep, bool aNullParent)
{
nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
}
void
HTMLLegendElement::Focus(ErrorResult& aError)
{
nsIFrame* frame = GetPrimaryFrame();
if (!frame) {
return;
}
int32_t tabIndex;
if (frame->IsFocusable(&tabIndex, false)) {
nsGenericHTMLElement::Focus(aError);
return;
}
// If the legend isn't focusable, focus whatever is focusable following
// the legend instead, bug 81481.
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (!fm) {
return;
}
nsCOMPtr<nsIDOMElement> result;
aError = fm->MoveFocus(nullptr, this, nsIFocusManager::MOVEFOCUS_FORWARD,
nsIFocusManager::FLAG_NOPARENTFRAME,
getter_AddRefs(result));
}
bool
HTMLLegendElement::PerformAccesskey(bool aKeyCausesActivation,
bool aIsTrustedEvent)
{
// just use the same behaviour as the focus method
ErrorResult rv;
Focus(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 HTMLLegendElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla
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