1 files changed, 234 insertions, 0 deletions
diff --git a/dom/html/HTMLIFrameElement.h b/dom/html/HTMLIFrameElement.h
new file mode 100644
index 0000000000..8a87c02472
--- /dev/null
+++ b/dom/html/HTMLIFrameElement.h
@@ -0,0 +1,234 @@
+/* -*- 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_HTMLIFrameElement_h
+#define mozilla_dom_HTMLIFrameElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+#include "nsGenericHTMLFrameElement.h"
+#include "nsDOMTokenList.h"
+
+namespace mozilla::dom {
+
+class FeaturePolicy;
+
+class HTMLIFrameElement final : public nsGenericHTMLFrameElement {
+ public:
+  explicit HTMLIFrameElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
+      FromParser aFromParser = NOT_FROM_PARSER);
+
+  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLIFrameElement, iframe)
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLIFrameElement,
+                                           nsGenericHTMLFrameElement)
+
+  // Element
+  virtual bool IsInteractiveHTMLContent() const override { return true; }
+
+  // nsIContent
+  virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+                              const nsAString& aValue,
+                              nsIPrincipal* aMaybeScriptedPrincipal,
+                              nsAttrValue& aResult) override;
+  NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
+  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction()
+      const override;
+
+  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+  void NodeInfoChanged(Document* aOldDoc) override;
+
+  void BindToBrowsingContext(BrowsingContext* aBrowsingContext);
+
+  uint32_t GetSandboxFlags() const;
+
+  // Web IDL binding methods
+  void GetSrc(nsString& aSrc) const {
+    GetURIAttr(nsGkAtoms::src, nullptr, aSrc);
+  }
+  void SetSrc(const nsAString& aSrc, nsIPrincipal* aTriggeringPrincipal,
+              ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::src, aSrc, aTriggeringPrincipal, aError);
+  }
+  void GetSrcdoc(DOMString& aSrcdoc) {
+    GetHTMLAttr(nsGkAtoms::srcdoc, aSrcdoc);
+  }
+  void SetSrcdoc(const nsAString& aSrcdoc, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::srcdoc, aSrcdoc, aError);
+  }
+  void GetName(DOMString& aName) { GetHTMLAttr(nsGkAtoms::name, aName); }
+  void SetName(const nsAString& aName, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::name, aName, aError);
+  }
+  nsDOMTokenList* Sandbox() {
+    if (!mSandbox) {
+      mSandbox =
+          new nsDOMTokenList(this, nsGkAtoms::sandbox, sSupportedSandboxTokens);
+    }
+    return mSandbox;
+  }
+
+  bool AllowFullscreen() const {
+    return GetBoolAttr(nsGkAtoms::allowfullscreen);
+  }
+
+  void SetAllowFullscreen(bool aAllow, ErrorResult& aError) {
+    SetHTMLBoolAttr(nsGkAtoms::allowfullscreen, aAllow, aError);
+  }
+
+  void GetWidth(DOMString& aWidth) { GetHTMLAttr(nsGkAtoms::width, aWidth); }
+  void SetWidth(const nsAString& aWidth, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::width, aWidth, aError);
+  }
+  void GetHeight(DOMString& aHeight) {
+    GetHTMLAttr(nsGkAtoms::height, aHeight);
+  }
+  void SetHeight(const nsAString& aHeight, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::height, aHeight, aError);
+  }
+  using nsGenericHTMLFrameElement::GetContentDocument;
+  using nsGenericHTMLFrameElement::GetContentWindow;
+  void GetAlign(DOMString& aAlign) { GetHTMLAttr(nsGkAtoms::align, aAlign); }
+  void SetAlign(const nsAString& aAlign, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::align, aAlign, aError);
+  }
+  void GetAllow(DOMString& aAllow) { GetHTMLAttr(nsGkAtoms::allow, aAllow); }
+  void SetAllow(const nsAString& aAllow, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::allow, aAllow, aError);
+  }
+  void GetScrolling(DOMString& aScrolling) {
+    GetHTMLAttr(nsGkAtoms::scrolling, aScrolling);
+  }
+  void SetScrolling(const nsAString& aScrolling, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::scrolling, aScrolling, aError);
+  }
+  void GetFrameBorder(DOMString& aFrameBorder) {
+    GetHTMLAttr(nsGkAtoms::frameborder, aFrameBorder);
+  }
+  void SetFrameBorder(const nsAString& aFrameBorder, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::frameborder, aFrameBorder, aError);
+  }
+  void GetLongDesc(nsAString& aLongDesc) const {
+    GetURIAttr(nsGkAtoms::longdesc, nullptr, aLongDesc);
+  }
+  void SetLongDesc(const nsAString& aLongDesc, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::longdesc, aLongDesc, aError);
+  }
+  void GetMarginWidth(DOMString& aMarginWidth) {
+    GetHTMLAttr(nsGkAtoms::marginwidth, aMarginWidth);
+  }
+  void SetMarginWidth(const nsAString& aMarginWidth, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::marginwidth, aMarginWidth, aError);
+  }
+  void GetMarginHeight(DOMString& aMarginHeight) {
+    GetHTMLAttr(nsGkAtoms::marginheight, aMarginHeight);
+  }
+  void SetMarginHeight(const nsAString& aMarginHeight, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::marginheight, aMarginHeight, aError);
+  }
+  void SetReferrerPolicy(const nsAString& aReferrer, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::referrerpolicy, aReferrer, aError);
+  }
+  void GetReferrerPolicy(nsAString& aReferrer) {
+    GetEnumAttr(nsGkAtoms::referrerpolicy, "", aReferrer);
+  }
+  Document* GetSVGDocument(nsIPrincipal& aSubjectPrincipal) {
+    return GetContentDocument(aSubjectPrincipal);
+  }
+  bool Mozbrowser() const { return GetBoolAttr(nsGkAtoms::mozbrowser); }
+  void SetMozbrowser(bool aAllow, ErrorResult& aError) {
+    SetHTMLBoolAttr(nsGkAtoms::mozbrowser, aAllow, aError);
+  }
+  using nsGenericHTMLFrameElement::SetMozbrowser;
+  // nsGenericHTMLFrameElement::GetFrameLoader is fine
+  // nsGenericHTMLFrameElement::GetAppManifestURL is fine
+
+  // The fullscreen flag is set to true only when requestFullscreen is
+  // explicitly called on this <iframe> element. In case this flag is
+  // set, the fullscreen state of this element will not be reverted
+  // automatically when its subdocument exits fullscreen.
+  bool FullscreenFlag() const { return mFullscreenFlag; }
+  void SetFullscreenFlag(bool aValue) { mFullscreenFlag = aValue; }
+
+  mozilla::dom::FeaturePolicy* FeaturePolicy() const;
+
+  void SetLoading(const nsAString& aLoading, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::loading, aLoading, aError);
+  }
+
+  void SetLazyLoading();
+  void StopLazyLoading();
+
+  const LazyLoadFrameResumptionState& GetLazyLoadFrameResumptionState() const {
+    return mLazyLoadState;
+  }
+
+ protected:
+  virtual ~HTMLIFrameElement();
+
+  virtual JSObject* WrapNode(JSContext* aCx,
+                             JS::Handle<JSObject*> aGivenProto) override;
+
+  virtual void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                            const nsAttrValue* aValue,
+                            const nsAttrValue* aOldValue,
+                            nsIPrincipal* aMaybeScriptedPrincipal,
+                            bool aNotify) override;
+  virtual void OnAttrSetButNotChanged(int32_t aNamespaceID, nsAtom* aName,
+                                      const nsAttrValueOrString& aValue,
+                                      bool aNotify) override;
+  nsresult BindToTree(BindContext&, nsINode& aParent) override;
+
+ private:
+  static void MapAttributesIntoRule(MappedDeclarationsBuilder&);
+
+  static const DOMTokenListSupportedToken sSupportedSandboxTokens[];
+
+  void RefreshFeaturePolicy(bool aParseAllowAttribute);
+
+  // If this iframe has a 'srcdoc' attribute, the document's origin will be
+  // returned. Otherwise, if this iframe has a 'src' attribute, the origin will
+  // be the parsing of its value as URL. If the URL is invalid, or 'src'
+  // attribute doesn't exist, the origin will be the document's origin.
+  already_AddRefed<nsIPrincipal> GetFeaturePolicyDefaultOrigin() const;
+
+  /**
+   * This function is called by AfterSetAttr and OnAttrSetButNotChanged.
+   * This function will be called by AfterSetAttr whether the attribute is being
+   * set or 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);
+
+  /**
+   * Feature policy inheritance is broken in cross process model, so we may
+   * have to store feature policy in browsingContext when neccesary.
+   */
+  void MaybeStoreCrossOriginFeaturePolicy();
+
+  RefPtr<dom::FeaturePolicy> mFeaturePolicy;
+  RefPtr<nsDOMTokenList> mSandbox;
+
+  /**
+   * Current lazy load resumption state (base URI and referrer policy).
+   * https://html.spec.whatwg.org/#lazy-load-resumption-steps
+   */
+  LazyLoadFrameResumptionState mLazyLoadState;
+
+  // Update lazy load state internally
+  void UpdateLazyLoadState();
+};
+
+}  // namespace mozilla::dom
+
+#endif