Merge pull request #1518 from MoonchildProductions/shadowdom-merge

Incremental shadowdom-merge

1 files changed, 79 insertions, 0 deletions

diff --git a/dom/html/HTMLSlotElement.h b/dom/html/HTMLSlotElement.h
new file mode 100644
index 000000000..0494a654e
--- /dev/null
+++ b/dom/html/HTMLSlotElement.h
@@ -0,0 +1,79 @@
+/* -*- 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_HTMLSlotElement_h
+#define mozilla_dom_HTMLSlotElement_h
+
+#include "nsIDOMHTMLElement.h"
+#include "nsGenericHTMLElement.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+namespace dom {
+
+struct AssignedNodesOptions;
+
+class HTMLSlotElement final : public nsGenericHTMLElement
+{
+public:
+  explicit HTMLSlotElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+  NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLSlotElement, slot)
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLSlotElement, nsGenericHTMLElement)
+  virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const 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;
+
+  // WebIDL
+  void SetName(const nsAString& aName, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::name, aName, aRv);
+  }
+
+  void GetName(nsAString& aName)
+  {
+    GetHTMLAttr(nsGkAtoms::name, aName);
+  }
+
+  void AssignedNodes(const AssignedNodesOptions& aOptions,
+                     nsTArray<RefPtr<nsINode>>& aNodes);
+
+  // Helper methods
+  const nsTArray<RefPtr<nsINode>>& AssignedNodes() const;
+  void InsertAssignedNode(uint32_t aIndex, nsINode* aNode);
+  void AppendAssignedNode(nsINode* aNode);
+  void RemoveAssignedNode(nsINode* aNode);
+  void ClearAssignedNodes();
+
+  void EnqueueSlotChangeEvent() const;
+  void FireSlotChangeEvent();
+
+protected:
+  virtual ~HTMLSlotElement();
+  virtual JSObject*
+  WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  nsTArray<RefPtr<nsINode>> mAssignedNodes;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_HTMLSlotElement_h