зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
1.5 KiB
C++
55 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_PresentationAvailability_h
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#define mozilla_dom_PresentationAvailability_h
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#include "mozilla/DOMEventTargetHelper.h"
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#include "nsIPresentationListener.h"
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namespace mozilla {
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namespace dom {
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class PresentationAvailability final : public DOMEventTargetHelper
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, public nsIPresentationAvailabilityListener
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PresentationAvailability,
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DOMEventTargetHelper)
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NS_DECL_NSIPRESENTATIONAVAILABILITYLISTENER
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static already_AddRefed<PresentationAvailability> Create(nsPIDOMWindow* aWindow);
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virtual void DisconnectFromOwner() override;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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// WebIDL (public APIs)
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bool Value() const;
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IMPL_EVENT_HANDLER(change);
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private:
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explicit PresentationAvailability(nsPIDOMWindow* aWindow);
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~PresentationAvailability();
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bool Init();
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void Shutdown();
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void UpdateAvailabilityAndDispatchEvent(bool aIsAvailable);
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bool mIsAvailable;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PresentationAvailability_h
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