/* -*- Mode: C++; tab-width: 2; 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/AsyncEventDispatcher.h" #include "mozilla/dom/HTMLMetaElement.h" #include "mozilla/dom/HTMLMetaElementBinding.h" #include "nsContentUtils.h" #include "nsStyleConsts.h" NS_IMPL_NS_NEW_HTML_ELEMENT(Meta) namespace mozilla { namespace dom { HTMLMetaElement::HTMLMetaElement(already_AddRefed& aNodeInfo) : nsGenericHTMLElement(aNodeInfo) { } HTMLMetaElement::~HTMLMetaElement() { } NS_IMPL_ISUPPORTS_INHERITED(HTMLMetaElement, nsGenericHTMLElement, nsIDOMHTMLMetaElement) NS_IMPL_ELEMENT_CLONE(HTMLMetaElement) NS_IMPL_STRING_ATTR(HTMLMetaElement, Content, content) NS_IMPL_STRING_ATTR(HTMLMetaElement, HttpEquiv, httpEquiv) NS_IMPL_STRING_ATTR(HTMLMetaElement, Name, name) NS_IMPL_STRING_ATTR(HTMLMetaElement, Scheme, scheme) void HTMLMetaElement::GetItemValueText(DOMString& aValue) { GetContent(aValue); } void HTMLMetaElement::SetItemValueText(const nsAString& aValue) { SetContent(aValue); } nsresult HTMLMetaElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName, const nsAttrValue* aValue, bool aNotify) { if (aNameSpaceID == kNameSpaceID_None) { if (aName == nsGkAtoms::content) { nsIDocument *document = GetUncomposedDoc(); CreateAndDispatchEvent(document, NS_LITERAL_STRING("DOMMetaChanged")); } } return nsGenericHTMLElement::AfterSetAttr(aNameSpaceID, aName, aValue, aNotify); } nsresult HTMLMetaElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent, nsIContent* aBindingParent, bool aCompileEventHandlers) { nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent, aBindingParent, aCompileEventHandlers); NS_ENSURE_SUCCESS(rv, rv); if (aDocument && AttrValueIs(kNameSpaceID_None, nsGkAtoms::name, nsGkAtoms::viewport, eIgnoreCase)) { nsAutoString content; rv = GetContent(content); NS_ENSURE_SUCCESS(rv, rv); nsContentUtils::ProcessViewportInfo(aDocument, content); } if (aDocument && AttrValueIs(kNameSpaceID_None, nsGkAtoms::name, nsGkAtoms::referrer, eIgnoreCase)) { nsAutoString content; rv = GetContent(content); NS_ENSURE_SUCCESS(rv, rv); // Referrer Policy spec requires a element. Element* headElt = aDocument->GetHeadElement(); if (headElt && nsContentUtils::ContentIsDescendantOf(this, headElt)) { content = nsContentUtils::TrimWhitespace(content); aDocument->SetHeaderData(nsGkAtoms::referrer, content); } } CreateAndDispatchEvent(aDocument, NS_LITERAL_STRING("DOMMetaAdded")); return rv; } void HTMLMetaElement::UnbindFromTree(bool aDeep, bool aNullParent) { nsCOMPtr oldDoc = GetUncomposedDoc(); CreateAndDispatchEvent(oldDoc, NS_LITERAL_STRING("DOMMetaRemoved")); nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent); } void HTMLMetaElement::CreateAndDispatchEvent(nsIDocument* aDoc, const nsAString& aEventName) { if (!aDoc) return; nsRefPtr asyncDispatcher = new AsyncEventDispatcher(this, aEventName, true, true); asyncDispatcher->PostDOMEvent(); } JSObject* HTMLMetaElement::WrapNode(JSContext* aCx, JS::Handle aGivenProto) { return HTMLMetaElementBinding::Wrap(aCx, this, aGivenProto); } } // namespace dom } // namespace mozilla