/src/mozilla-central/xpcom/base/LogModulePrefWatcher.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
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 LogModulePrefWatcher_h |
8 | | #define LogModulePrefWatcher_h |
9 | | |
10 | | #include "nsIObserver.h" |
11 | | |
12 | | namespace mozilla { |
13 | | |
14 | | /** |
15 | | * Watches for changes to "logging.*" prefs and then updates the appropriate |
16 | | * LogModule's log level. Both the integer and string versions of the LogLevel |
17 | | * enum are supported. |
18 | | * |
19 | | * For example setting the pref "logging.Foo" to "Verbose" will set the |
20 | | * LogModule for "Foo" to the LogLevel::Verbose level. Setting "logging.Bar" to |
21 | | * 4 would set the LogModule for "Bar" to the LogLevel::Debug level. |
22 | | */ |
23 | | class LogModulePrefWatcher : public nsIObserver |
24 | | { |
25 | | public: |
26 | | NS_DECL_ISUPPORTS |
27 | | NS_DECL_NSIOBSERVER |
28 | | |
29 | | /** |
30 | | * Starts observing logging pref changes. |
31 | | */ |
32 | | static void RegisterPrefWatcher(); |
33 | | |
34 | | private: |
35 | | LogModulePrefWatcher(); |
36 | | virtual ~LogModulePrefWatcher() |
37 | 0 | { |
38 | 0 | } |
39 | | }; |
40 | | } // namespace mozilla |
41 | | |
42 | | #endif // LogModulePrefWatcher_h |