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cb23cc0476
This just about adding a new argument to all relevant places. Differential Revision: https://phabricator.services.mozilla.com/D164340
71 lines
2.5 KiB
C++
71 lines
2.5 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 DOM_QUOTA_QUOTAOBJECT_H_
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#define DOM_QUOTA_QUOTAOBJECT_H_
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#include "nsISupportsImpl.h"
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class nsIInterfaceRequestor;
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namespace mozilla::dom::quota {
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class CanonicalQuotaObject;
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class IPCQuotaObject;
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class RemoteQuotaObject;
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// QuotaObject type is serializable, but only in a restricted manner. The type
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// is only safe to serialize in the parent process and only when the type
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// hasn't been previously deserialized. So the type can be serialized in the
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// parent process and deserialized in a child process or it can be serialized
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// in the parent process and deserialized in the parent process as well
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// (non-e10s mode). The same type can never be serialized/deserialized more
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// than once.
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// The deserialized type (remote variant) can only be used on the thread it was
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// deserialized on and it will stop working if the thread it was sent from is
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// shutdown (consumers should make sure that the originating thread is kept
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// alive for the necessary time).
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class QuotaObject {
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public:
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NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
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CanonicalQuotaObject* AsCanonicalQuotaObject();
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RemoteQuotaObject* AsRemoteQuotaObject();
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// Serialize this QuotaObject. This method works only in the parent process
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// and only with objects which haven't been previously deserialized.
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// The serial event target where this method is called should be highly
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// available, as it will be used to process requests from the remote variant.
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IPCQuotaObject Serialize(nsIInterfaceRequestor* aCallbacks);
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// Deserialize a QuotaObject. This method works in both the child and parent.
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// The deserialized QuotaObject can only be used on the calling serial event
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// target.
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static RefPtr<QuotaObject> Deserialize(IPCQuotaObject& aQuotaObject);
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virtual const nsAString& Path() const = 0;
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[[nodiscard]] virtual bool MaybeUpdateSize(int64_t aSize, bool aTruncate) = 0;
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virtual bool IncreaseSize(int64_t aDelta) = 0;
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virtual void DisableQuotaCheck() = 0;
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virtual void EnableQuotaCheck() = 0;
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protected:
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QuotaObject(bool aIsRemote) : mIsRemote(aIsRemote) {}
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virtual ~QuotaObject() = default;
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const bool mIsRemote;
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};
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} // namespace mozilla::dom::quota
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#endif // DOM_QUOTA_QUOTAOBJECT_H_
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