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40 lines
2.6 KiB
C
40 lines
2.6 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "prtypes.h"
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// Call a method on each observer in a category cache, then call the same
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// method on the observer array.
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#define NOTIFY_OBSERVERS(canFire, cache, array, type, method) \
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PR_BEGIN_MACRO \
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if (canFire) { \
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const nsCOMArray<type> &entries = cache.GetEntries(); \
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for (PRInt32 idx = 0; idx < entries.Count(); ++idx) \
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entries[idx]->method; \
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ENUMERATE_WEAKARRAY(array, type, method) \
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} \
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PR_END_MACRO;
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#define PLACES_FACTORY_SINGLETON_IMPLEMENTATION(_className, _sInstance) \
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_className * _className::_sInstance = nsnull; \
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\
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_className * \
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_className::GetSingleton() \
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{ \
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if (_sInstance) { \
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NS_ADDREF(_sInstance); \
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return _sInstance; \
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} \
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_sInstance = new _className(); \
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if (_sInstance) { \
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NS_ADDREF(_sInstance); \
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if (NS_FAILED(_sInstance->Init())) { \
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NS_RELEASE(_sInstance); \
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_sInstance = nsnull; \
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} \
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} \
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return _sInstance; \
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}
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