gecko-dev/xpcom/ds/nsObserverService.h

56 строки
1.6 KiB
C
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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
* 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 nsObserverService_h___
#define nsObserverService_h___
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#include "nsIObserverService.h"
#include "nsObserverList.h"
#include "nsIMemoryReporter.h"
#include "nsTHashtable.h"
#include "mozilla/Attributes.h"
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// {D07F5195-E3D1-11d2-8ACD-00105A1B8860}
#define NS_OBSERVERSERVICE_CID \
{ 0xd07f5195, 0xe3d1, 0x11d2, { 0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 } }
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class nsIMemoryReporter;
class nsObserverService final
: public nsIObserverService
, public nsIMemoryReporter
{
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public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_OBSERVERSERVICE_CID)
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nsObserverService();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVERSERVICE
NS_DECL_NSIMEMORYREPORTER
void Shutdown();
static MOZ_MUST_USE nsresult Create(nsISupports* aOuter, const nsIID& aIID,
void** aInstancePtr);
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// Unmark any strongly held observers implemented in JS so the cycle
// collector will not traverse them.
NS_IMETHOD UnmarkGrayStrongObservers();
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private:
~nsObserverService(void);
void RegisterReporter();
static const size_t kSuspectReferentCount = 100;
bool mShuttingDown;
nsTHashtable<nsObserverList> mObserverTopicTable;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsObserverService, NS_OBSERVERSERVICE_CID)
#endif /* nsObserverService_h___ */