gecko/dom/presentation/PresentationReceiver.h

66 lines
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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_PresentationReceiver_h
#define mozilla_dom_PresentationReceiver_h
#include "mozilla/DOMEventTargetHelper.h"
#include "nsIPresentationListener.h"
namespace mozilla {
namespace dom {
class Promise;
class PresentationSession;
class PresentationReceiver final : public DOMEventTargetHelper
, public nsIPresentationRespondingListener
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PresentationReceiver,
DOMEventTargetHelper)
NS_DECL_NSIPRESENTATIONRESPONDINGLISTENER
static already_AddRefed<PresentationReceiver> Create(nsPIDOMWindow* aWindow,
const nsAString& aSessionId);
virtual void DisconnectFromOwner() override;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// WebIDL (public APIs)
already_AddRefed<Promise> GetSession(ErrorResult& aRv);
already_AddRefed<Promise> GetSessions(ErrorResult& aRv) const;
IMPL_EVENT_HANDLER(sessionavailable);
private:
explicit PresentationReceiver(nsPIDOMWindow* aWindow);
~PresentationReceiver();
bool Init(const nsAString& aSessionId);
void Shutdown();
nsresult DispatchSessionAvailableEvent();
// Store the inner window ID for |UnregisterRespondingListener| call in
// |Shutdown| since the inner window may not exist at that moment.
uint64_t mWindowId;
nsTArray<nsRefPtr<PresentationSession>> mSessions;
nsTArray<nsRefPtr<Promise>> mPendingGetSessionPromises;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_PresentationReceiver_h