1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/ds/nsObserverService.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,56 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsObserverService_h___
1.10 +#define nsObserverService_h___
1.11 +
1.12 +#include "nsIObserverService.h"
1.13 +#include "nsObserverList.h"
1.14 +#include "nsIMemoryReporter.h"
1.15 +#include "nsTHashtable.h"
1.16 +#include "mozilla/Attributes.h"
1.17 +
1.18 +// {D07F5195-E3D1-11d2-8ACD-00105A1B8860}
1.19 +#define NS_OBSERVERSERVICE_CID \
1.20 + { 0xd07f5195, 0xe3d1, 0x11d2, { 0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 } }
1.21 +
1.22 +class nsIMemoryReporter;
1.23 +
1.24 +class nsObserverService MOZ_FINAL
1.25 + : public nsIObserverService
1.26 + , public nsIMemoryReporter
1.27 +{
1.28 +public:
1.29 + NS_DECLARE_STATIC_IID_ACCESSOR(NS_OBSERVERSERVICE_CID)
1.30 +
1.31 + nsObserverService();
1.32 +
1.33 + NS_DECL_ISUPPORTS
1.34 + NS_DECL_NSIOBSERVERSERVICE
1.35 + NS_DECL_NSIMEMORYREPORTER
1.36 +
1.37 + void Shutdown();
1.38 +
1.39 + static nsresult
1.40 + Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
1.41 +
1.42 + // Unmark any strongly held observers implemented in JS so the cycle
1.43 + // collector will not traverse them.
1.44 + NS_IMETHOD UnmarkGrayStrongObservers();
1.45 +
1.46 +private:
1.47 + ~nsObserverService(void);
1.48 + void RegisterReporter();
1.49 +
1.50 + static const size_t kSuspectReferentCount = 100;
1.51 + static PLDHashOperator CountReferents(nsObserverList* aObserverList,
1.52 + void* aClosure);
1.53 + bool mShuttingDown;
1.54 + nsTHashtable<nsObserverList> mObserverTopicTable;
1.55 +};
1.56 +
1.57 +NS_DEFINE_STATIC_IID_ACCESSOR(nsObserverService, NS_OBSERVERSERVICE_CID)
1.58 +
1.59 +#endif /* nsObserverService_h___ */
