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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /xpcom/ds/nsObserverService.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/ds/nsObserverService.h')
-rw-r--r-- | xpcom/ds/nsObserverService.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/xpcom/ds/nsObserverService.h b/xpcom/ds/nsObserverService.h new file mode 100644 index 0000000000..f4e445995b --- /dev/null +++ b/xpcom/ds/nsObserverService.h @@ -0,0 +1,56 @@ +/* -*- 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(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___ */ |