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3b42787268
This doesn't change behavior on its own, but it's likely we want to make the tab focusability more complicated in bug 1895184, and this will make changes to this area less painful. Differential Revision: https://phabricator.services.mozilla.com/D209525
136 lines
4.9 KiB
C++
136 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_HTMLEmbedElement_h
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#define mozilla_dom_HTMLEmbedElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsObjectLoadingContent.h"
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#include "nsGkAtoms.h"
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#include "nsError.h"
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namespace mozilla::dom {
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class HTMLEmbedElement final : public nsGenericHTMLElement,
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public nsObjectLoadingContent {
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public:
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explicit HTMLEmbedElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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mozilla::dom::FromParser aFromParser = mozilla::dom::NOT_FROM_PARSER);
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLEmbedElement, embed)
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bool AllowFullscreen() const {
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// We don't need to check prefixed attributes because Flash does not support
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// them.
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return IsRewrittenYoutubeEmbed() && GetBoolAttr(nsGkAtoms::allowfullscreen);
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}
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// nsObjectLoadingContent
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const Element* AsElement() const final { return this; }
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nsresult BindToTree(BindContext&, nsINode& aParent) override;
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void UnbindFromTree(UnbindContext&) override;
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bool IsHTMLFocusable(IsFocusableFlags, bool* aIsFocusable,
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int32_t* aTabIndex) override;
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int32_t TabIndexDefault() override;
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bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult) override;
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nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
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NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
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void DestroyContent() override;
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// nsObjectLoadingContent
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uint32_t GetCapabilities() const override;
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nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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nsresult CopyInnerTo(HTMLEmbedElement* aDest);
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void StartObjectLoad() { StartObjectLoad(true, false); }
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virtual bool IsInteractiveHTMLContent() const override { return true; }
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLEmbedElement,
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nsGenericHTMLElement)
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// WebIDL <embed> api
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void GetAlign(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::align, aValue); }
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void SetAlign(const nsAString& aValue, ErrorResult& aRv) {
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SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
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}
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void GetHeight(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::height, aValue); }
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void SetHeight(const nsAString& aValue, ErrorResult& aRv) {
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SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
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}
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void GetName(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
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void SetName(const nsAString& aValue, ErrorResult& aRv) {
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SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
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}
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void GetWidth(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::width, aValue); }
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void SetWidth(const nsAString& aValue, ErrorResult& aRv) {
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SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
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}
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// WebIDL <embed> api
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void GetSrc(DOMString& aValue) {
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GetURIAttr(nsGkAtoms::src, nullptr, aValue);
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}
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void SetSrc(const nsAString& aValue, ErrorResult& aRv) {
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SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
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}
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void GetType(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
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void SetType(const nsAString& aValue, ErrorResult& aRv) {
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SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
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}
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Document* GetSVGDocument(nsIPrincipal& aSubjectPrincipal) {
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return GetContentDocument(aSubjectPrincipal);
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}
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/**
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* Calls LoadObject with the correct arguments to start the plugin load.
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*/
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void StartObjectLoad(bool aNotify, bool aForceLoad);
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protected:
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void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
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const nsAttrValue* aValue, const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
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void OnAttrSetButNotChanged(int32_t aNamespaceID, nsAtom* aName,
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const nsAttrValueOrString& aValue,
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bool aNotify) override;
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private:
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~HTMLEmbedElement();
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nsContentPolicyType GetContentPolicyType() const override;
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JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
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static void MapAttributesIntoRule(MappedDeclarationsBuilder&);
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/**
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* This function is called by AfterSetAttr and OnAttrSetButNotChanged.
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* It will not be called if the value is being unset.
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*
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* @param aNamespaceID the namespace of the attr being set
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* @param aName the localname of the attribute being set
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* @param aNotify Whether we plan to notify document observers.
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*/
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void AfterMaybeChangeAttr(int32_t aNamespaceID, nsAtom* aName, bool aNotify);
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_HTMLEmbedElement_h
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