toolkit/components/places/nsPlacesMacros.h

branch
TOR_BUG_3246
changeset 7
129ffea94266
equal deleted inserted replaced
-1:000000000000 0:5d9f917c23a6
1 /* -*- Mode: C++; tab-width: 8; 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/. */
5
6 #include "nsIConsoleService.h"
7 #include "nsIScriptError.h"
8
9 #ifndef __FUNCTION__
10 #define __FUNCTION__ __func__
11 #endif
12
13 // Call a method on each observer in a category cache, then call the same
14 // method on the observer array.
15 #define NOTIFY_OBSERVERS(canFire, cache, array, type, method) \
16 PR_BEGIN_MACRO \
17 if (canFire) { \
18 nsCOMArray<type> entries; \
19 cache.GetEntries(entries); \
20 for (int32_t idx = 0; idx < entries.Count(); ++idx) \
21 entries[idx]->method; \
22 ENUMERATE_WEAKARRAY(array, type, method) \
23 } \
24 PR_END_MACRO;
25
26 #define PLACES_FACTORY_SINGLETON_IMPLEMENTATION(_className, _sInstance) \
27 _className * _className::_sInstance = nullptr; \
28 \
29 already_AddRefed<_className> \
30 _className::GetSingleton() \
31 { \
32 if (_sInstance) { \
33 nsRefPtr<_className> ret = _sInstance; \
34 return ret.forget(); \
35 } \
36 _sInstance = new _className(); \
37 nsRefPtr<_className> ret = _sInstance; \
38 if (NS_FAILED(_sInstance->Init())) { \
39 /* Null out ret before _sInstance so the destructor doesn't assert */ \
40 ret = nullptr; \
41 _sInstance = nullptr; \
42 return nullptr; \
43 } \
44 return ret.forget(); \
45 }
46
47 #define PLACES_WARN_DEPRECATED() \
48 PR_BEGIN_MACRO \
49 nsCString msg = NS_LITERAL_CSTRING(__FUNCTION__); \
50 msg.AppendLiteral(" is deprecated and will be removed in the next version.");\
51 NS_WARNING(msg.get()); \
52 nsCOMPtr<nsIConsoleService> cs = do_GetService(NS_CONSOLESERVICE_CONTRACTID);\
53 if (cs) { \
54 nsCOMPtr<nsIScriptError> e = do_CreateInstance(NS_SCRIPTERROR_CONTRACTID); \
55 if (e && NS_SUCCEEDED(e->Init(NS_ConvertUTF8toUTF16(msg), EmptyString(), \
56 EmptyString(), 0, 0, \
57 nsIScriptError::errorFlag, "Places"))) { \
58 cs->LogMessage(e); \
59 } \
60 } \
61 PR_END_MACRO

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