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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 */
#ifndef mozilla_dom_HTMLEmbedElement_h
#define mozilla_dom_HTMLEmbedElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsObjectLoadingContent.h"
#include "nsGkAtoms.h"
#include "nsError.h"
namespace mozilla::dom {
class HTMLEmbedElement final : public nsGenericHTMLElement,
public nsObjectLoadingContent {
explicit HTMLEmbedElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
mozilla::dom::FromParser aFromParser = mozilla::dom::NOT_FROM_PARSER);
// nsISupports
bool AllowFullscreen() const {
// We don't need to check prefixed attributes because Flash does not support
// them.
return IsRewrittenYoutubeEmbed() && GetBoolAttr(nsGkAtoms::allowfullscreen);
// nsObjectLoadingContent
const Element* AsElement() const final { return this; }
nsresult BindToTree(BindContext&, nsINode& aParent) override;
void UnbindFromTree(UnbindContext&) override;
bool IsHTMLFocusable(IsFocusableFlags, bool* aIsFocusable,
int32_t* aTabIndex) override;
int32_t TabIndexDefault() override;
bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
void DestroyContent() override;
// nsObjectLoadingContent
uint32_t GetCapabilities() const override;
nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
nsresult CopyInnerTo(HTMLEmbedElement* aDest);
void StartObjectLoad() { StartObjectLoad(true, false); }
virtual bool IsInteractiveHTMLContent() const override { return true; }
// WebIDL <embed> api
void GetAlign(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::align, aValue); }
void SetAlign(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
void GetHeight(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::height, aValue); }
void SetHeight(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
void GetName(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
void SetName(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
void GetWidth(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::width, aValue); }
void SetWidth(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
// WebIDL <embed> api
void GetSrc(DOMString& aValue) {
GetURIAttr(nsGkAtoms::src, nullptr, aValue);
void SetSrc(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
void GetType(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
void SetType(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
Document* GetSVGDocument(nsIPrincipal& aSubjectPrincipal) {
return GetContentDocument(aSubjectPrincipal);
* Calls LoadObject with the correct arguments to start the plugin load.
void StartObjectLoad(bool aNotify, bool aForceLoad);
void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValue* aValue, const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
void OnAttrSetButNotChanged(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValueOrString& aValue,
bool aNotify) override;
nsContentPolicyType GetContentPolicyType() const override;
JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
static void MapAttributesIntoRule(MappedDeclarationsBuilder&);
* This function is called by AfterSetAttr and OnAttrSetButNotChanged.
* It will not be called if the value is being unset.
* @param aNamespaceID the namespace of the attr being set
* @param aName the localname of the attribute being set
* @param aNotify Whether we plan to notify document observers.
void AfterMaybeChangeAttr(int32_t aNamespaceID, nsAtom* aName, bool aNotify);
} // namespace mozilla::dom
#endif // mozilla_dom_HTMLEmbedElement_h