The Tor Browser: xpcom/ds/nsObserverService.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsObserverService_h___

     7 #define nsObserverService_h___

     9 #include "nsIObserverService.h"

    10 #include "nsObserverList.h"

    11 #include "nsIMemoryReporter.h"

    12 #include "nsTHashtable.h"

    13 #include "mozilla/Attributes.h"

    15 // {D07F5195-E3D1-11d2-8ACD-00105A1B8860}

    16 #define NS_OBSERVERSERVICE_CID \

    17     { 0xd07f5195, 0xe3d1, 0x11d2, { 0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 } }

    19 class nsIMemoryReporter;

    21 class nsObserverService MOZ_FINAL

    22   : public nsIObserverService

    23   , public nsIMemoryReporter

    24 {

    25 public:

    26   NS_DECLARE_STATIC_IID_ACCESSOR(NS_OBSERVERSERVICE_CID)

    28   nsObserverService();

    30   NS_DECL_ISUPPORTS

    31   NS_DECL_NSIOBSERVERSERVICE

    32   NS_DECL_NSIMEMORYREPORTER

    34   void Shutdown();

    36   static nsresult

    37   Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);

    39   // Unmark any strongly held observers implemented in JS so the cycle

    40   // collector will not traverse them.

    41   NS_IMETHOD UnmarkGrayStrongObservers();

    43 private:

    44   ~nsObserverService(void);

    45   void RegisterReporter();

    47   static const size_t kSuspectReferentCount = 100;

    48   static PLDHashOperator CountReferents(nsObserverList* aObserverList,

    49                                         void* aClosure);

    50   bool mShuttingDown;

    51   nsTHashtable<nsObserverList> mObserverTopicTable;

    52 };

    54 NS_DEFINE_STATIC_IID_ACCESSOR(nsObserverService, NS_OBSERVERSERVICE_CID)

    56 #endif /* nsObserverService_h___ */

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