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/* -*- Mode: C++; tab-width: 8; 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/. */
#ifndef mozilla_dom_HTMLLinkElement_h
#define mozilla_dom_HTMLLinkElement_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/Link.h"
#include "ImportManager.h"
#include "nsGenericHTMLElement.h"
#include "nsIDOMHTMLLinkElement.h"
#include "nsStyleLinkElement.h"
namespace mozilla {
class EventChainPostVisitor;
class EventChainPreVisitor;
namespace dom {
class HTMLLinkElement final : public nsGenericHTMLElement,
public nsIDOMHTMLLinkElement,
public nsStyleLinkElement,
public Link
{
public:
explicit HTMLLinkElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// CC
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLLinkElement,
nsGenericHTMLElement)
// nsIDOMHTMLLinkElement
NS_DECL_NSIDOMHTMLLINKELEMENT
// DOM memory reporter participant
NS_DECL_SIZEOF_EXCLUDING_THIS
void LinkAdded();
void LinkRemoved();
void UpdateImport();
// nsIDOMEventTarget
virtual nsresult GetEventTargetParent(
EventChainPreVisitor& aVisitor) override;
virtual nsresult PostHandleEvent(
EventChainPostVisitor& aVisitor) override;
// nsINode
virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// nsIContent
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers) override;
virtual void UnbindFromTree(bool aDeep = true,
bool aNullParent = true) override;
virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValueOrString* aValue,
bool aNotify) override;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
bool aNotify) override;
virtual bool IsLink(nsIURI** aURI) const override;
virtual already_AddRefed<nsIURI> GetHrefURI() const override;
// Element
virtual bool ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult) override;
virtual void GetLinkTarget(nsAString& aTarget) override;
virtual EventStates IntrinsicState() const override;
void CreateAndDispatchEvent(nsIDocument* aDoc, const nsAString& aEventName);
virtual void OnDNSPrefetchDeferred() override;
virtual void OnDNSPrefetchRequested() override;
virtual bool HasDeferredDNSPrefetchRequest() override;
// WebIDL
bool Disabled() const;
void SetDisabled(bool aDisabled, ErrorResult& aRv);
// XPCOM GetHref is fine.
void SetHref(const nsAString& aHref, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::href, aHref, aRv);
}
void GetCrossOrigin(nsAString& aResult)
{
// Null for both missing and invalid defaults is ok, since we
// always parse to an enum value, so we don't need an invalid
// default, and we _want_ the missing default to be null.
GetEnumAttr(nsGkAtoms::crossorigin, nullptr, aResult);
}
void SetCrossOrigin(const nsAString& aCrossOrigin, ErrorResult& aError)
{
SetOrRemoveNullableStringAttr(nsGkAtoms::crossorigin, aCrossOrigin, aError);
}
// XPCOM GetRel is fine.
void SetRel(const nsAString& aRel, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::rel, aRel, aRv);
}
nsDOMTokenList* RelList();
// XPCOM GetMedia is fine.
void SetMedia(const nsAString& aMedia, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::media, aMedia, aRv);
}
// XPCOM GetHreflang is fine.
void SetHreflang(const nsAString& aHreflang, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::hreflang, aHreflang, aRv);
}
nsDOMTokenList* Sizes()
{
return GetTokenList(nsGkAtoms::sizes);
}
// XPCOM GetType is fine.
void SetType(const nsAString& aType, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::type, aType, aRv);
}
// XPCOM GetCharset is fine.
void SetCharset(const nsAString& aCharset, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::charset, aCharset, aRv);
}
// XPCOM GetRev is fine.
void SetRev(const nsAString& aRev, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::rev, aRev, aRv);
}
// XPCOM GetTarget is fine.
void SetTarget(const nsAString& aTarget, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::target, aTarget, aRv);
}
void GetIntegrity(nsAString& aIntegrity) const
{
GetHTMLAttr(nsGkAtoms::integrity, aIntegrity);
}
void SetIntegrity(const nsAString& aIntegrity, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::integrity, aIntegrity, aRv);
}
void SetReferrerPolicy(const nsAString& aReferrer, ErrorResult& aError)
{
SetHTMLAttr(nsGkAtoms::referrerpolicy, aReferrer, aError);
}
void GetReferrerPolicy(nsAString& aReferrer)
{
GetEnumAttr(nsGkAtoms::referrerpolicy, EmptyCString().get(), aReferrer);
}
mozilla::net::ReferrerPolicy GetLinkReferrerPolicy() override
{
return GetReferrerPolicyAsEnum();
}
already_AddRefed<nsIDocument> GetImport();
already_AddRefed<ImportLoader> GetImportLoader()
{
return RefPtr<ImportLoader>(mImportLoader).forget();
}
virtual CORSMode GetCORSMode() const override;
protected:
virtual ~HTMLLinkElement();
// nsStyleLinkElement
virtual already_AddRefed<nsIURI> GetStyleSheetURL(bool* aIsInline) override;
virtual void GetStyleSheetInfo(nsAString& aTitle,
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
bool* aIsAlternate,
bool* aIsExplicitlyEnabled) override;
RefPtr<nsDOMTokenList> mRelList;
// The "explicitly enabled" flag. This flag is set whenever the 'disabled'
// attribute is explicitly unset, and makes alternate stylesheets not be
// disabled by default anymore.
//
// See https://github.com/whatwg/html/issues/3840#issuecomment-481034206.
bool mExplicitlyEnabled = false;
private:
RefPtr<ImportLoader> mImportLoader;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLLinkElement_h
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