1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
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29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : /*
39 : * nsConsoleService class declaration.
40 : */
41 :
42 : #ifndef __nsconsoleservice_h__
43 : #define __nsconsoleservice_h__
44 :
45 : #include "mozilla/Attributes.h"
46 : #include "mozilla/Mutex.h"
47 :
48 : #include "nsCOMPtr.h"
49 : #include "nsInterfaceHashtable.h"
50 : #include "nsHashKeys.h"
51 :
52 : #include "nsIConsoleService.h"
53 :
54 : class nsConsoleService MOZ_FINAL : public nsIConsoleService
55 : {
56 : public:
57 : nsConsoleService();
58 : nsresult Init();
59 :
60 : NS_DECL_ISUPPORTS
61 : NS_DECL_NSICONSOLESERVICE
62 :
63 20396 : void SetIsDelivering() {
64 20396 : MOZ_ASSERT(NS_IsMainThread());
65 20396 : MOZ_ASSERT(!mDeliveringMessage);
66 20396 : mDeliveringMessage = true;
67 20396 : }
68 :
69 20396 : void SetDoneDelivering() {
70 20396 : MOZ_ASSERT(NS_IsMainThread());
71 20396 : MOZ_ASSERT(mDeliveringMessage);
72 20396 : mDeliveringMessage = false;
73 20396 : }
74 :
75 : private:
76 : ~nsConsoleService();
77 :
78 : // Circular buffer of saved messages
79 : nsIConsoleMessage **mMessages;
80 :
81 : // How big?
82 : PRUint32 mBufferSize;
83 :
84 : // Index of slot in mMessages that'll be filled by *next* log message
85 : PRUint32 mCurrent;
86 :
87 : // Is the buffer full? (Has mCurrent wrapped around at least once?)
88 : bool mFull;
89 :
90 : // Are we currently delivering a console message on the main thread? If
91 : // so, we suppress incoming messages on the main thread only, to avoid
92 : // infinite repitition.
93 : bool mDeliveringMessage;
94 :
95 : // Listeners to notify whenever a new message is logged.
96 : nsInterfaceHashtable<nsISupportsHashKey, nsIConsoleListener> mListeners;
97 :
98 : // To serialize interesting methods.
99 : mozilla::Mutex mLock;
100 : };
101 :
102 : #endif /* __nsconsoleservice_h__ */
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