tor-browser

The Tor Browser
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HTMLDetailsElement.h (2984B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_HTMLDetailsElement_h
      8 #define mozilla_dom_HTMLDetailsElement_h
      9 
     10 #include "mozilla/AsyncEventDispatcher.h"
     11 #include "mozilla/Attributes.h"
     12 #include "nsGenericHTMLElement.h"
     13 
     14 namespace mozilla::dom {
     15 
     16 class HTMLSummaryElement;
     17 
     18 // HTMLDetailsElement implements the <details> tag, which is used as a
     19 // disclosure widget from which the user can obtain additional information or
     20 // controls. Please see the spec for more information.
     21 // https://html.spec.whatwg.org/multipage/forms.html#the-details-element
     22 //
     23 class HTMLDetailsElement final : public nsGenericHTMLElement {
     24 public:
     25  using NodeInfo = mozilla::dom::NodeInfo;
     26  using Element::Command;
     27 
     28  explicit HTMLDetailsElement(already_AddRefed<NodeInfo>&& aNodeInfo);
     29 
     30  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLDetailsElement, details)
     31 
     32  HTMLSummaryElement* GetFirstSummary() const;
     33 
     34  nsresult Clone(NodeInfo* aNodeInfo, nsINode** aResult) const override;
     35 
     36  void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
     37                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
     38                    nsIPrincipal* aMaybeScriptedPrincipal,
     39                    bool aNotify) override;
     40 
     41  nsresult BindToTree(BindContext&, nsINode& aParent) override;
     42 
     43  bool IsInteractiveHTMLContent() const override { return true; }
     44 
     45  // HTMLDetailsElement WebIDL
     46 
     47  void SetName(const nsAString& aName, ErrorResult& aRv) {
     48    SetHTMLAttr(nsGkAtoms::name, aName, aRv);
     49  }
     50 
     51  void GetName(nsAString& aName) { GetHTMLAttr(nsGkAtoms::name, aName); }
     52 
     53  bool Open() const { return GetBoolAttr(nsGkAtoms::open); }
     54 
     55  void SetOpen(bool aOpen, ErrorResult& aError) {
     56    SetHTMLBoolAttr(nsGkAtoms::open, aOpen, aError);
     57  }
     58 
     59  void ToggleOpen() { SetOpen(!Open(), IgnoreErrors()); }
     60 
     61  void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
     62 
     63  bool IsValidCommandAction(Command aCommand) const override;
     64  MOZ_CAN_RUN_SCRIPT bool HandleCommandInternal(Element* aSource,
     65                                                Command aCommand,
     66                                                ErrorResult& aRv) override;
     67 
     68 protected:
     69  virtual ~HTMLDetailsElement();
     70  void SetupShadowTree();
     71 
     72  // https://html.spec.whatwg.org/#ensure-details-exclusivity-by-closing-the-given-element-if-needed
     73  void CloseElementIfNeeded();
     74 
     75  // https://html.spec.whatwg.org/#ensure-details-exclusivity-by-closing-other-elements-if-needed
     76  void CloseOtherElementsIfNeeded();
     77 
     78  JSObject* WrapNode(JSContext* aCx,
     79                     JS::Handle<JSObject*> aGivenProto) override;
     80 
     81  RefPtr<AsyncEventDispatcher> mToggleEventDispatcher;
     82 };
     83 
     84 }  // namespace mozilla::dom
     85 
     86 #endif /* mozilla_dom_HTMLDetailsElement_h */