Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 221 insertions, 0 deletions

diff --git a/dom/html/HTMLLinkElement.h b/dom/html/HTMLLinkElement.h
new file mode 100644
index 0000000000..aee8fcd54e
--- /dev/null
+++ b/dom/html/HTMLLinkElement.h
@@ -0,0 +1,221 @@
+/* -*- 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_HTMLLinkElement_h
+#define mozilla_dom_HTMLLinkElement_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/HTMLDNSPrefetch.h"
+#include "mozilla/dom/LinkStyle.h"
+#include "mozilla/dom/Link.h"
+#include "mozilla/WeakPtr.h"
+#include "nsGenericHTMLElement.h"
+#include "nsDOMTokenList.h"
+
+namespace mozilla {
+class EventChainPostVisitor;
+class EventChainPreVisitor;
+class PreloaderBase;
+
+namespace dom {
+
+class HTMLLinkElement final : public nsGenericHTMLElement,
+                              public LinkStyle,
+                              public SupportsDNSPrefetch {
+ public:
+  explicit HTMLLinkElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // CC
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLLinkElement,
+                                           nsGenericHTMLElement)
+
+  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLLinkElement, link);
+  NS_DECL_ADDSIZEOFEXCLUDINGTHIS
+
+  void LinkAdded();
+  void LinkRemoved();
+
+  // nsINode
+  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+  JSObject* WrapNode(JSContext* aCx,
+                     JS::Handle<JSObject*> aGivenProto) override;
+
+  // nsIContent
+  nsresult BindToTree(BindContext&, nsINode& aParent) override;
+  void UnbindFromTree(bool aNullParent = true) override;
+  void BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                     const nsAttrValue* aValue, bool aNotify) override;
+  void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
+                    nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
+  // Element
+  bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+                      const nsAString& aValue,
+                      nsIPrincipal* aMaybeScriptedPrincipal,
+                      nsAttrValue& aResult) override;
+
+  void CreateAndDispatchEvent(Document* aDoc, const nsAString& aEventName);
+
+  // WebIDL
+  bool Disabled() const;
+  void SetDisabled(bool aDisabled, ErrorResult& aRv);
+
+  nsIURI* GetURI() {
+    if (!mCachedURI) {
+      GetURIAttr(nsGkAtoms::href, nullptr, getter_AddRefs(mCachedURI));
+    }
+    return mCachedURI.get();
+  }
+
+  void GetHref(nsAString& aValue) {
+    GetURIAttr(nsGkAtoms::href, nullptr, aValue);
+  }
+  void SetHref(const nsAString& aHref, nsIPrincipal* aTriggeringPrincipal,
+               ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::href, aHref, aTriggeringPrincipal, aRv);
+  }
+  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);
+  }
+  // nsAString for WebBrowserPersistLocalDocument
+  void GetRel(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::rel, aValue); }
+  void SetRel(const nsAString& aRel, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::rel, aRel, aRv);
+  }
+  nsDOMTokenList* RelList();
+  void GetMedia(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::media, aValue); }
+  void SetMedia(const nsAString& aMedia, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::media, aMedia, aRv);
+  }
+  void GetHreflang(DOMString& aValue) {
+    GetHTMLAttr(nsGkAtoms::hreflang, aValue);
+  }
+  void SetHreflang(const nsAString& aHreflang, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::hreflang, aHreflang, aRv);
+  }
+  void GetAs(nsAString& aResult);
+  void SetAs(const nsAString& aAs, ErrorResult& aRv) {
+    SetAttr(nsGkAtoms::as, aAs, aRv);
+  }
+
+  nsDOMTokenList* Sizes() {
+    if (!mSizes) {
+      mSizes = new nsDOMTokenList(this, nsGkAtoms::sizes);
+    }
+    return mSizes;
+  }
+  void GetType(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
+  void SetType(const nsAString& aType, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::type, aType, aRv);
+  }
+  void GetCharset(nsAString& aValue) override {
+    GetHTMLAttr(nsGkAtoms::charset, aValue);
+  }
+  void SetCharset(const nsAString& aCharset, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::charset, aCharset, aRv);
+  }
+  void GetRev(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::rev, aValue); }
+  void SetRev(const nsAString& aRev, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::rev, aRev, aRv);
+  }
+  void GetTarget(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::target, aValue); }
+  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, "", aReferrer);
+  }
+  void GetImageSrcset(nsAString& aImageSrcset) {
+    GetHTMLAttr(nsGkAtoms::imagesrcset, aImageSrcset);
+  }
+  void SetImageSrcset(const nsAString& aImageSrcset, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::imagesrcset, aImageSrcset, aError);
+  }
+  void GetImageSizes(nsAString& aImageSizes) {
+    GetHTMLAttr(nsGkAtoms::imagesizes, aImageSizes);
+  }
+  void SetImageSizes(const nsAString& aImageSizes, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::imagesizes, aImageSizes, aError);
+  }
+
+  CORSMode GetCORSMode() const {
+    return AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin));
+  }
+
+  void NodeInfoChanged(Document* aOldDoc) final {
+    mCachedURI = nullptr;
+    nsGenericHTMLElement::NodeInfoChanged(aOldDoc);
+  }
+
+ protected:
+  virtual ~HTMLLinkElement();
+
+  void GetContentPolicyMimeTypeMedia(nsAttrValue& aAsAttr,
+                                     nsContentPolicyType& aPolicyType,
+                                     nsString& aMimeType, nsAString& aMedia);
+  void TryDNSPrefetchOrPreconnectOrPrefetchOrPreloadOrPrerender();
+  void UpdatePreload(nsAtom* aName, const nsAttrValue* aValue,
+                     const nsAttrValue* aOldValue);
+  void CancelPrefetchOrPreload();
+
+  void StartPreload(nsContentPolicyType policyType);
+  void CancelPreload();
+
+  // Returns whether the type attribute specifies the text/css mime type for
+  // link elements.
+  static bool IsCSSMimeTypeAttributeForLinkElement(
+      const mozilla::dom::Element&);
+
+  // LinkStyle
+  nsIContent& AsContent() final { return *this; }
+  const LinkStyle* AsLinkStyle() const final { return this; }
+  Maybe<SheetInfo> GetStyleSheetInfo() final;
+
+  RefPtr<nsDOMTokenList> mRelList;
+  RefPtr<nsDOMTokenList> mSizes;
+
+  // A weak reference to our preload is held only to cancel the preload when
+  // this node updates or unbounds from the tree.  We want to prevent cycles,
+  // the preload is held alive by other means.
+  WeakPtr<PreloaderBase> mPreload;
+
+  // The cached href attribute value.
+  nsCOMPtr<nsIURI> mCachedURI;
+
+  // 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;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_HTMLLinkElement_h