зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
3.8 KiB
C++
118 строки
3.8 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/HTMLLegendElement.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() {}
|
|
|
|
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", 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,
|
|
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(Document* aDocument, nsIContent* aParent,
|
|
nsIContent* aBindingParent) {
|
|
return nsGenericHTMLElement::BindToTree(aDocument, aParent, aBindingParent);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
RefPtr<Element> 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 HTMLLegendElement_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|