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81 lines
2.5 KiB
C++
81 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsHashPropertyBag_h___
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#define nsHashPropertyBag_h___
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#include "nsIVariant.h"
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#include "nsIWritablePropertyBag.h"
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#include "nsIWritablePropertyBag2.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsInterfaceHashtable.h"
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class nsHashPropertyBagBase : public nsIWritablePropertyBag,
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public nsIWritablePropertyBag2 {
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public:
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nsHashPropertyBagBase() = default;
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void CopyFrom(const nsHashPropertyBagBase* aOther);
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void CopyFrom(nsIPropertyBag* aOther);
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static void CopyFrom(nsIWritablePropertyBag* aTo, nsIPropertyBag* aFrom);
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NS_DECL_NSIPROPERTYBAG
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NS_DECL_NSIPROPERTYBAG2
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NS_DECL_NSIWRITABLEPROPERTYBAG
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NS_DECL_NSIWRITABLEPROPERTYBAG2
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protected:
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// a hash table of string -> nsIVariant
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nsInterfaceHashtable<nsStringHashKey, nsIVariant> mPropertyHash;
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};
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class nsHashPropertyBag : public nsHashPropertyBagBase {
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public:
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nsHashPropertyBag() = default;
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NS_DECL_THREADSAFE_ISUPPORTS
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protected:
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virtual ~nsHashPropertyBag();
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};
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/*
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* Off Main Thread variant of nsHashPropertyBag. Instances of this class
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* should not be created on a main thread, nor should it contain main thread
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* only objects, such as XPCVariants. The purpose of this class is to provide a
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* way to use the property bag off main thread.
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* Note: this class needs to be created and destroyed on the same thread and
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* should be used single threaded.
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*/
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class nsHashPropertyBagOMT final : public nsHashPropertyBagBase {
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public:
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nsHashPropertyBagOMT();
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NS_DECL_ISUPPORTS
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protected:
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// Doesn't need to dispatch to main thread because it cannot contain
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// XPCVariants
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virtual ~nsHashPropertyBagOMT() = default;
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};
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/* A cycle collected nsHashPropertyBag for main-thread-only use. */
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class nsHashPropertyBagCC final : public nsHashPropertyBagBase {
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public:
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nsHashPropertyBagCC() = default;
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsHashPropertyBagCC,
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nsIWritablePropertyBag)
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protected:
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virtual ~nsHashPropertyBagCC() = default;
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};
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inline nsISupports* ToSupports(nsHashPropertyBagBase* aPropertyBag) {
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return static_cast<nsIWritablePropertyBag*>(aPropertyBag);
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}
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#endif /* nsHashPropertyBag_h___ */
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