import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/html/HTMLLegendElement.cpp

@@ -0,0 +1,157 @@
+/* -*- 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