/usr/include/thunderbird/nsWeakReference.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | /* -*- 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 nsWeakReference_h__
#define nsWeakReference_h__
// nsWeakReference.h
// See mfbt/WeakPtr.h for a more typesafe C++ implementation of weak references
#include "nsIWeakReferenceUtils.h"
class nsWeakReference;
class nsSupportsWeakReference : public nsISupportsWeakReference
{
public:
nsSupportsWeakReference() : mProxy(0) {}
NS_DECL_NSISUPPORTSWEAKREFERENCE
protected:
inline ~nsSupportsWeakReference();
private:
friend class nsWeakReference;
// Called (only) by an |nsWeakReference| from _its_ dtor.
// The thread safety check is made by the caller.
void NoticeProxyDestruction() { mProxy = nullptr; }
nsWeakReference* MOZ_NON_OWNING_REF mProxy;
protected:
void ClearWeakReferences();
bool HasWeakReferences() const { return !!mProxy; }
};
inline
nsSupportsWeakReference::~nsSupportsWeakReference()
{
ClearWeakReferences();
}
#endif
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