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-rw-r--r--dom/html/HTMLLegendElement.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/dom/html/HTMLLegendElement.cpp b/dom/html/HTMLLegendElement.cpp
new file mode 100644
index 000000000..1a593d769
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+++ b/dom/html/HTMLLegendElement.cpp
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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/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::SetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
+ nsIAtom* aPrefix, const nsAString& aValue,
+ bool aNotify)
+{
+ return nsGenericHTMLElement::SetAttr(aNameSpaceID, aAttribute,
+ aPrefix, aValue, aNotify);
+}
+nsresult
+HTMLLegendElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
+ bool aNotify)
+{
+ return nsGenericHTMLElement::UnsetAttr(aNameSpaceID, aAttribute, aNotify);
+}
+
+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