Files
tubestation/xpcom/ds/nsObserverService.h
serge-sans-paille bf3516e81e Bug 1964489 - Avoid duplication in NS_DECLARE_STATIC_IID_ACCESSOR / NS_DEFINE_STATIC_IID_ACCESSOR r=nika,necko-reviewers,media-playback-reviewers,places-reviewers,win-reviewers,dom-storage-reviewers,xpcom-reviewers,gstoll,janv,emilio,padenot,valentin,asuth
In modern C++, static constexpr member variables are automatically
inline (aka weak) so the template trick is not needed. This also avoid
duplication and reduces the amount of parsed code. No impact on
generated binary (actually: smaller debuginfo, close to identical
binary).

Differential Revision: https://phabricator.services.mozilla.com/D247825
2025-05-08 08:05:51 +00:00

51 lines
1.5 KiB
C++

/* -*- 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_INLINE_DECL_STATIC_IID(NS_OBSERVERSERVICE_CID)
nsObserverService();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVERSERVICE
NS_DECL_NSIMEMORYREPORTER
void Shutdown();
[[nodiscard]] static nsresult Create(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;
};
#endif /* nsObserverService_h___ */