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-rw-r--r--dom/html/HTMLDetailsElement.h74
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diff --git a/dom/html/HTMLDetailsElement.h b/dom/html/HTMLDetailsElement.h
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+/* -*- Mode: C++; tab-width: 2; 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_HTMLDetailsElement_h
+#define mozilla_dom_HTMLDetailsElement_h
+
+#include "mozilla/AsyncEventDispatcher.h"
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+
+namespace mozilla {
+namespace dom {
+
+// HTMLDetailsElement implements the <details> tag, which is used as a
+// disclosure widget from which the user can obtain additional information or
+// controls. Please see the spec for more information.
+// https://html.spec.whatwg.org/multipage/forms.html#the-details-element
+//
+class HTMLDetailsElement final : public nsGenericHTMLElement
+{
+public:
+ using NodeInfo = mozilla::dom::NodeInfo;
+
+ static bool IsDetailsEnabled();
+
+ explicit HTMLDetailsElement(already_AddRefed<NodeInfo>& aNodeInfo)
+ : nsGenericHTMLElement(aNodeInfo)
+ {
+ }
+
+ NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLDetailsElement, details)
+
+ nsIContent* GetFirstSummary() const;
+
+ nsresult Clone(NodeInfo* aNodeInfo, nsINode** aResult) const override;
+
+ nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
+ int32_t aModType) const override;
+
+ nsresult BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ nsAttrValueOrString* aValue, bool aNotify) override;
+
+ // HTMLDetailsElement WebIDL
+ bool Open() const { return GetBoolAttr(nsGkAtoms::open); }
+
+ void SetOpen(bool aOpen, ErrorResult& aError)
+ {
+ SetHTMLBoolAttr(nsGkAtoms::open, aOpen, aError);
+ }
+
+ void ToggleOpen()
+ {
+ ErrorResult rv;
+ SetOpen(!Open(), rv);
+ rv.SuppressException();
+ }
+
+ virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
+
+protected:
+ virtual ~HTMLDetailsElement();
+
+ JSObject* WrapNode(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ RefPtr<AsyncEventDispatcher> mToggleEventDispatcher;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_HTMLDetailsElement_h */