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/* -*- 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_PermissionStatusSink_h
#define mozilla_dom_PermissionStatusSink_h
#include "mozilla/MozPromise.h"
#include "mozilla/Mutex.h"
#include "mozilla/dom/PermissionStatusBinding.h"
#include "mozilla/dom/PermissionsBinding.h"
#include "nsIPermission.h"
class nsPIDOMWindowInner;
namespace mozilla::dom {
class PermissionObserver;
class PermissionStatus;
class WeakWorkerRef;
class PermissionStatusSink {
public:
using PermissionStatePromise = MozPromise<uint32_t, nsresult, true>;
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PermissionStatusSink)
PermissionStatusSink(PermissionStatus* aPermissionStatus,
PermissionName aPermissionName,
const nsACString& aPermissionType);
RefPtr<PermissionStatePromise> Init();
// These functions should be called when an permission is updated which may
// change the state of this PermissionStatus. MaybeUpdatedByOnMainThread
// accepts the permission object itself that is update. When the permission's
// key is not same-origin with this object's owner window/worker, such as for
// secondary-keyed permissions like `3rdPartyFrameStorage^...`,
// MaybeUpdatedByNotifyOnlyOnMainThread will be called with the updated
// window/worker as an argument. MaybeUpdatedByNotifyOnly must be defined by
// PermissionStatus inheritors that are double-keyed.
virtual bool MaybeUpdatedByOnMainThread(nsIPermission* aPermission);
virtual bool MaybeUpdatedByNotifyOnlyOnMainThread(
nsPIDOMWindowInner* aInnerWindow);
void PermissionChangedOnMainThread();
PermissionName Name() const { return mPermissionName; }
void Disentangle();
protected:
virtual ~PermissionStatusSink();
virtual RefPtr<PermissionStatePromise> ComputeStateOnMainThread();
RefPtr<PermissionStatePromise> ComputeStateOnMainThreadInternal(
nsPIDOMWindowInner* aWindow);
nsCOMPtr<nsISerialEventTarget> mSerialEventTarget;
nsCOMPtr<nsIPrincipal> mPrincipalForPermission;
RefPtr<PermissionObserver> mObserver;
RefPtr<PermissionStatus> mPermissionStatus;
Mutex mMutex;
// Protected by mutex.
// Created and released on worker-thread. Used also on main-thread.
RefPtr<WeakWorkerRef> mWorkerRef MOZ_GUARDED_BY(mMutex);
PermissionName mPermissionName;
nsCString mPermissionType;
};
} // namespace mozilla::dom
#endif // mozilla_dom_permissionstatusSink_h
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