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 HTMLDialogElement_h
8 #define HTMLDialogElement_h
9 
10 #include "mozilla/AsyncEventDispatcher.h"
11 #include "mozilla/Attributes.h"
12 #include "nsGenericHTMLElement.h"
13 #include "nsGkAtoms.h"
14 
15 namespace mozilla {
16 namespace dom {
17 
18 class HTMLDialogElement final : public nsGenericHTMLElement {
19  public:
HTMLDialogElement(already_AddRefed<mozilla::dom::NodeInfo> && aNodeInfo)20   explicit HTMLDialogElement(
21       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
22       : nsGenericHTMLElement(std::move(aNodeInfo)),
23         mPreviouslyFocusedElement(nullptr) {}
24 
25   NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLDialogElement, dialog)
26 
27   nsresult Clone(dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
28 
29   static bool IsDialogEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj);
30 
Open()31   bool Open() const { return GetBoolAttr(nsGkAtoms::open); }
SetOpen(bool aOpen,ErrorResult & aError)32   void SetOpen(bool aOpen, ErrorResult& aError) {
33     SetHTMLBoolAttr(nsGkAtoms::open, aOpen, aError);
34   }
35 
GetReturnValue(nsAString & aReturnValue)36   void GetReturnValue(nsAString& aReturnValue) { aReturnValue = mReturnValue; }
SetReturnValue(const nsAString & aReturnValue)37   void SetReturnValue(const nsAString& aReturnValue) {
38     mReturnValue = aReturnValue;
39   }
40 
41   void UnbindFromTree(bool aNullParent = true) override;
42 
43   void Close(const mozilla::dom::Optional<nsAString>& aReturnValue);
44   void Show();
45   void ShowModal(ErrorResult& aError);
46 
47   bool IsInTopLayer() const;
48   void QueueCancelDialog();
49   void RunCancelDialogSteps();
50 
51   nsString mReturnValue;
52 
53  protected:
54   virtual ~HTMLDialogElement();
55   void FocusDialog();
56   JSObject* WrapNode(JSContext* aCx,
57                      JS::Handle<JSObject*> aGivenProto) override;
58 
59  private:
60   void AddToTopLayerIfNeeded();
61   void RemoveFromTopLayerIfNeeded();
62   void StorePreviouslyFocusedElement();
63 
64   nsWeakPtr mPreviouslyFocusedElement;
65 };
66 
67 }  // namespace dom
68 }  // namespace mozilla
69 
70 #endif
71