81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_PermissionStatusSink_h
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#define mozilla_dom_PermissionStatusSink_h
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#include "mozilla/dom/PermissionsBinding.h"
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#include "mozilla/dom/PermissionStatusBinding.h"
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#include "mozilla/MozPromise.h"
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#include "mozilla/Mutex.h"
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#include "nsIPermission.h"
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class nsPIDOMWindowInner;
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namespace mozilla::dom {
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class PermissionObserver;
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class PermissionStatus;
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class WeakWorkerRef;
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class PermissionStatusSink {
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public:
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using PermissionStatePromise = MozPromise<uint32_t, nsresult, true>;
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PermissionStatusSink)
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PermissionStatusSink(PermissionStatus* aPermissionStatus,
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PermissionName aPermissionName,
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const nsACString& aPermissionType);
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RefPtr<PermissionStatePromise> Init();
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// These functions should be called when an permission is updated which may
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// change the state of this PermissionStatus. MaybeUpdatedByOnMainThread
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// accepts the permission object itself that is update. When the permission's
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// key is not same-origin with this object's owner window/worker, such as for
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// secondary-keyed permissions like `3rdPartyFrameStorage^...`,
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// MaybeUpdatedByNotifyOnlyOnMainThread will be called with the updated
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// window/worker as an argument. MaybeUpdatedByNotifyOnly must be defined by
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// PermissionStatus inheritors that are double-keyed.
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virtual bool MaybeUpdatedByOnMainThread(nsIPermission* aPermission);
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virtual bool MaybeUpdatedByNotifyOnlyOnMainThread(
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nsPIDOMWindowInner* aInnerWindow);
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void PermissionChangedOnMainThread();
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PermissionName Name() const { return mPermissionName; }
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void Disentangle();
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protected:
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virtual ~PermissionStatusSink();
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virtual RefPtr<PermissionStatePromise> ComputeStateOnMainThread();
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RefPtr<PermissionStatePromise> ComputeStateOnMainThreadInternal(
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nsPIDOMWindowInner* aWindow);
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nsCOMPtr<nsISerialEventTarget> mSerialEventTarget;
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nsCOMPtr<nsIPrincipal> mPrincipalForPermission;
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RefPtr<PermissionObserver> mObserver;
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RefPtr<PermissionStatus> mPermissionStatus;
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Mutex mMutex;
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// Protected by mutex.
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// Created and released on worker-thread. Used also on main-thread.
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RefPtr<WeakWorkerRef> mWorkerRef MOZ_GUARDED_BY(mMutex);
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PermissionName mPermissionName;
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nsCString mPermissionType;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_permissionstatusSink_h
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