dom/html/HTMLDialogElement.cpp

   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 #include "mozilla/dom/HTMLDialogElement.h"
   8 #include "mozilla/dom/HTMLDialogElementBinding.h"
   9 #include "mozilla/dom/HTMLUnknownElement.h"
  10 #include "mozilla/StaticPrefs.h"
  11
  12 // Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Dialog) with pref check
  13 nsGenericHTMLElement* NS_NewHTMLDialogElement(
  14     already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
  15     mozilla::dom::FromParser aFromParser) {
  16   if (!mozilla::dom::HTMLDialogElement::IsDialogEnabled()) {
  17     return new mozilla::dom::HTMLUnknownElement(std::move(aNodeInfo));
  18   }
  19
  20   return new mozilla::dom::HTMLDialogElement(std::move(aNodeInfo));
  21 }
  22
  23 namespace mozilla {
  24 namespace dom {
  25
  26 HTMLDialogElement::~HTMLDialogElement() {}
  27
  28 NS_IMPL_ELEMENT_CLONE(HTMLDialogElement)
  29
  30 bool HTMLDialogElement::IsDialogEnabled() {
  31   return StaticPrefs::dom_dialog_element_enabled();
  32 }
  33
  34 void HTMLDialogElement::Close(
  35     const mozilla::dom::Optional<nsAString>& aReturnValue) {
  36   if (!Open()) {
  37     return;
  38   }
  39   if (aReturnValue.WasPassed()) {
  40     SetReturnValue(aReturnValue.Value());
  41   }
  42   ErrorResult ignored;
  43   SetOpen(false, ignored);
  44   ignored.SuppressException();
  45   RefPtr<AsyncEventDispatcher> eventDispatcher = new AsyncEventDispatcher(
  46       this, NS_LITERAL_STRING("close"), CanBubble::eNo);
  47   eventDispatcher->PostDOMEvent();
  48 }
  49
  50 void HTMLDialogElement::Show() {
  51   if (Open()) {
  52     return;
  53   }
  54   ErrorResult ignored;
  55   SetOpen(true, ignored);
  56   ignored.SuppressException();
  57 }
  58
  59 void HTMLDialogElement::ShowModal(ErrorResult& aError) {
  60   if (!IsInComposedDoc() || Open()) {
  61     aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
  62     return;
  63   }
  64
  65   SetOpen(true, aError);
  66   aError.SuppressException();
  67 }
  68
  69 JSObject* HTMLDialogElement::WrapNode(JSContext* aCx,
  70                                       JS::Handle<JSObject*> aGivenProto) {
  71   return HTMLDialogElement_Binding::Wrap(aCx, this, aGivenProto);
  72 }
  73
  74 }  // namespace dom
  75 }  // namespace mozilla