зеркало из https://github.com/mozilla/gecko-dev.git
136 строки
4.9 KiB
C++
136 строки
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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