1 files changed, 135 insertions, 0 deletions
diff --git a/dom/html/HTMLEmbedElement.h b/dom/html/HTMLEmbedElement.h
new file mode 100644
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+++ b/dom/html/HTMLEmbedElement.h
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+/* -*- 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_HTMLEmbedElement_h
+#define mozilla_dom_HTMLEmbedElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+#include "nsObjectLoadingContent.h"
+#include "nsGkAtoms.h"
+#include "nsError.h"
+
+namespace mozilla::dom {
+
+class HTMLEmbedElement final : public nsGenericHTMLElement,
+                               public nsObjectLoadingContent {
+ public:
+  explicit HTMLEmbedElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
+      mozilla::dom::FromParser aFromParser = mozilla::dom::NOT_FROM_PARSER);
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLEmbedElement, embed)
+
+  bool AllowFullscreen() const {
+    // We don't need to check prefixed attributes because Flash does not support
+    // them.
+    return IsRewrittenYoutubeEmbed() && GetBoolAttr(nsGkAtoms::allowfullscreen);
+  }
+
+  // nsObjectLoadingContent
+  const Element* AsElement() const final { return this; }
+
+  nsresult BindToTree(BindContext&, nsINode& aParent) override;
+  void UnbindFromTree(bool aNullParent = true) override;
+
+  bool IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
+                       int32_t* aTabIndex) override;
+
+  int32_t TabIndexDefault() override;
+
+  bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+                      const nsAString& aValue,
+                      nsIPrincipal* aMaybeScriptedPrincipal,
+                      nsAttrValue& aResult) override;
+  nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
+  NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
+  void DestroyContent() override;
+
+  // nsObjectLoadingContent
+  uint32_t GetCapabilities() const override;
+
+  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+  nsresult CopyInnerTo(HTMLEmbedElement* aDest);
+
+  void StartObjectLoad() { StartObjectLoad(true, false); }
+
+  virtual bool IsInteractiveHTMLContent() const override { return true; }
+
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLEmbedElement,
+                                           nsGenericHTMLElement)
+
+  // WebIDL <embed> api
+  void GetAlign(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::align, aValue); }
+  void SetAlign(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
+  }
+  void GetHeight(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::height, aValue); }
+  void SetHeight(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
+  }
+  void GetName(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
+  void SetName(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
+  }
+  void GetWidth(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::width, aValue); }
+  void SetWidth(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
+  }
+  // WebIDL <embed> api
+  void GetSrc(DOMString& aValue) {
+    GetURIAttr(nsGkAtoms::src, nullptr, aValue);
+  }
+  void SetSrc(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
+  }
+  void GetType(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
+  void SetType(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
+  }
+  Document* GetSVGDocument(nsIPrincipal& aSubjectPrincipal) {
+    return GetContentDocument(aSubjectPrincipal);
+  }
+
+  /**
+   * Calls LoadObject with the correct arguments to start the plugin load.
+   */
+  void StartObjectLoad(bool aNotify, bool aForceLoad);
+
+ protected:
+  void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
+                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
+                    nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
+  void OnAttrSetButNotChanged(int32_t aNamespaceID, nsAtom* aName,
+                              const nsAttrValueOrString& aValue,
+                              bool aNotify) override;
+
+ private:
+  ~HTMLEmbedElement();
+
+  nsContentPolicyType GetContentPolicyType() const override;
+
+  JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
+
+  static void MapAttributesIntoRule(MappedDeclarationsBuilder&);
+
+  /**
+   * This function is called by AfterSetAttr and OnAttrSetButNotChanged.
+   * It will not be called if the value is being 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);
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_HTMLEmbedElement_h