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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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___
#include "nsIObserverService.h"
#include "nsObserverList.h"
#include "nsIMemoryReporter.h"
#include "nsTHashtable.h"
#include "mozilla/Attributes.h"
// {D07F5195-E3D1-11d2-8ACD-00105A1B8860}
#define NS_OBSERVERSERVICE_CID \
{ \
0xd07f5195, 0xe3d1, 0x11d2, { \
0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 \
} \
}
class nsObserverService final : public nsIObserverService,
public nsIMemoryReporter {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_OBSERVERSERVICE_CID)
nsObserverService();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVERSERVICE
NS_DECL_NSIMEMORYREPORTER
void Shutdown();
[[nodiscard]] static nsresult Create(nsISupports* aOuter, const nsIID& aIID,
void** aInstancePtr);
// Unmark any strongly held observers implemented in JS so the cycle
// collector will not traverse them.
NS_IMETHOD UnmarkGrayStrongObservers();
private:
~nsObserverService(void);
void RegisterReporter();
nsresult EnsureValidCall() const;
nsresult FilterHttpOnTopics(const char* aTopic);
static const size_t kSuspectReferentCount = 100;
bool mShuttingDown;
nsTHashtable<nsObserverList> mObserverTopicTable;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsObserverService, NS_OBSERVERSERVICE_CID)
#endif /* nsObserverService_h___ */