gecko-dev/dom/voicemail/Voicemail.h

111 строки
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_voicemail_voicemail_h__
#define mozilla_dom_voicemail_voicemail_h__
#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/ErrorResult.h"
#include "nsIVoicemailService.h"
class JSObject;
struct JSContext;
class nsPIDOMWindowInner;
namespace mozilla {
namespace dom {
class VoicemailStatus;
class Voicemail final : public DOMEventTargetHelper,
private nsIVoicemailListener
{
/**
* Class Voicemail doesn't actually expose nsIVoicemailListener. Instead, it
* owns an nsIVoicemailListener derived instance mListener and passes it to
* nsIVoicemailService. The onreceived events are first delivered to
* mListener and then forwarded to its owner, Voicemail. See also bug 775997
* comment #51.
*/
class Listener;
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIVOICEMAILLISTENER
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Voicemail,
DOMEventTargetHelper)
static already_AddRefed<Voicemail>
Create(nsPIDOMWindowInner* aOwner,
ErrorResult& aRv);
void
Shutdown();
nsPIDOMWindowInner*
GetParentObject() const
{
return GetOwner();
}
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
already_AddRefed<VoicemailStatus>
GetStatus(const Optional<uint32_t>& aServiceId,
ErrorResult& aRv);
void
GetNumber(const Optional<uint32_t>& aServiceId,
nsString& aNumber,
ErrorResult& aRv) const;
void
GetDisplayName(const Optional<uint32_t>& aServiceId,
nsString& aDisplayName,
ErrorResult& aRv) const;
IMPL_EVENT_HANDLER(statuschanged)
private:
Voicemail(nsPIDOMWindowInner* aWindow,
nsIVoicemailService* aService);
// final suppresses -Werror,-Wdelete-non-virtual-dtor
~Voicemail();
private:
nsCOMPtr<nsIVoicemailService> mService;
RefPtr<Listener> mListener;
// |mStatuses| keeps all instantiated VoicemailStatus objects as well as the
// empty slots for not interested ones. The length of |mStatuses| is decided
// in the constructor and is never changed ever since.
AutoTArray<RefPtr<VoicemailStatus>, 1> mStatuses;
// Return a nsIVoicemailProvider instance based on the requests from external
// components. Return nullptr if aOptionalServiceId contains an invalid
// service id or the default one is just not available.
already_AddRefed<nsIVoicemailProvider>
GetItemByServiceId(const Optional<uint32_t>& aOptionalServiceId,
uint32_t& aActualServiceId) const;
// Request for a valid VoicemailStatus object based on given service id and
// provider. It's the callee's responsibility to ensure the validity of the
// two parameters.
already_AddRefed<VoicemailStatus>
GetOrCreateStatus(uint32_t aServiceId,
nsIVoicemailProvider* aProvider);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_voicemail_voicemail_h__