gecko-dev/dom/permission/PermissionObserver.h

50 lines
1.2 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_PermissionObserver_h_
#define mozilla_dom_PermissionObserver_h_
#include "mozilla/dom/PermissionsBinding.h"
#include "nsIObserver.h"
#include "nsIPrincipal.h"
#include "nsTArray.h"
#include "nsWeakReference.h"
namespace mozilla {
namespace dom {
class PermissionStatus;
// Singleton that watches for perm-changed notifications in order to notify
// PermissionStatus objects.
class PermissionObserver final
: public nsIObserver
, public nsSupportsWeakReference
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
static already_AddRefed<PermissionObserver> GetInstance();
void AddSink(PermissionStatus* aObs);
void RemoveSink(PermissionStatus* aObs);
private:
PermissionObserver();
virtual ~PermissionObserver();
void Notify(PermissionName aName, nsIPrincipal& aPrincipal);
nsTArray<PermissionStatus*> mSinks;
};
} // namespace dom
} // namespace mozilla
#endif