The Tor Browser / file comparison
comparison: xpcom/glue/nsWeakReference.h
xpcom/glue/nsWeakReference.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:0b6241a8b93e |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef nsWeakReference_h__ | |
| 8 #define nsWeakReference_h__ | |
| 9 | |
| 10 // nsWeakReference.h | |
| 11 | |
| 12 // See mfbt/WeakPtr.h for a more typesafe C++ implementation of weak references | |
| 13 | |
| 14 #include "nsIWeakReferenceUtils.h" | |
| 15 | |
| 16 class nsWeakReference; | |
| 17 | |
| 18 // Set IMETHOD_VISIBILITY to empty so that the class-level NS_COM declaration | |
| 19 // controls member method visibility. | |
| 20 #undef IMETHOD_VISIBILITY | |
| 21 #define IMETHOD_VISIBILITY NS_COM_GLUE | |
| 22 | |
| 23 class NS_COM_GLUE nsSupportsWeakReference : public nsISupportsWeakReference | |
| 24 { | |
| 25 public: | |
| 26 nsSupportsWeakReference() | |
| 27 : mProxy(0) | |
| 28 { | |
| 29 // nothing else to do here | |
| 30 } | |
| 31 | |
| 32 NS_DECL_NSISUPPORTSWEAKREFERENCE | |
| 33 | |
| 34 protected: | |
| 35 inline ~nsSupportsWeakReference(); | |
| 36 | |
| 37 private: | |
| 38 friend class nsWeakReference; | |
| 39 | |
| 40 void | |
| 41 NoticeProxyDestruction() | |
| 42 // ...called (only) by an |nsWeakReference| from _its_ dtor. | |
| 43 { | |
| 44 mProxy = 0; | |
| 45 } | |
| 46 | |
| 47 nsWeakReference* mProxy; | |
| 48 | |
| 49 protected: | |
| 50 | |
| 51 void ClearWeakReferences(); | |
| 52 bool HasWeakReferences() const {return mProxy != 0;} | |
| 53 }; | |
| 54 | |
| 55 #undef IMETHOD_VISIBILITY | |
| 56 #define IMETHOD_VISIBILITY NS_VISIBILITY_HIDDEN | |
| 57 | |
| 58 inline | |
| 59 nsSupportsWeakReference::~nsSupportsWeakReference() | |
| 60 { | |
| 61 ClearWeakReferences(); | |
| 62 } | |
| 63 | |
| 64 #endif |
