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comparison: xpcom/base/nsConsoleService.h
xpcom/base/nsConsoleService.h
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 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 /* | |
| 7 * nsConsoleService class declaration. | |
| 8 */ | |
| 9 | |
| 10 #ifndef __nsconsoleservice_h__ | |
| 11 #define __nsconsoleservice_h__ | |
| 12 | |
| 13 #include "mozilla/Attributes.h" | |
| 14 #include "mozilla/Mutex.h" | |
| 15 | |
| 16 #include "nsInterfaceHashtable.h" | |
| 17 #include "nsHashKeys.h" | |
| 18 | |
| 19 #include "nsIConsoleService.h" | |
| 20 | |
| 21 class nsConsoleService MOZ_FINAL : public nsIConsoleService | |
| 22 { | |
| 23 public: | |
| 24 nsConsoleService(); | |
| 25 nsresult Init(); | |
| 26 | |
| 27 NS_DECL_THREADSAFE_ISUPPORTS | |
| 28 NS_DECL_NSICONSOLESERVICE | |
| 29 | |
| 30 void SetIsDelivering() { | |
| 31 MOZ_ASSERT(NS_IsMainThread()); | |
| 32 MOZ_ASSERT(!mDeliveringMessage); | |
| 33 mDeliveringMessage = true; | |
| 34 } | |
| 35 | |
| 36 void SetDoneDelivering() { | |
| 37 MOZ_ASSERT(NS_IsMainThread()); | |
| 38 MOZ_ASSERT(mDeliveringMessage); | |
| 39 mDeliveringMessage = false; | |
| 40 } | |
| 41 | |
| 42 // This is a variant of LogMessage which allows the caller to determine | |
| 43 // if the message should be output to an OS-specific log. This is used on | |
| 44 // B2G to control whether the message is logged to the android log or not. | |
| 45 | |
| 46 enum OutputMode { | |
| 47 SuppressLog, | |
| 48 OutputToLog | |
| 49 }; | |
| 50 virtual nsresult LogMessageWithMode(nsIConsoleMessage *message, OutputMode outputMode); | |
| 51 | |
| 52 typedef nsInterfaceHashtable<nsISupportsHashKey, nsIConsoleListener> ListenerHash; | |
| 53 void EnumerateListeners(ListenerHash::EnumReadFunction aFunction, void* aClosure); | |
| 54 | |
| 55 private: | |
| 56 ~nsConsoleService(); | |
| 57 | |
| 58 // Circular buffer of saved messages | |
| 59 nsIConsoleMessage **mMessages; | |
| 60 | |
| 61 // How big? | |
| 62 uint32_t mBufferSize; | |
| 63 | |
| 64 // Index of slot in mMessages that'll be filled by *next* log message | |
| 65 uint32_t mCurrent; | |
| 66 | |
| 67 // Is the buffer full? (Has mCurrent wrapped around at least once?) | |
| 68 bool mFull; | |
| 69 | |
| 70 // Are we currently delivering a console message on the main thread? If | |
| 71 // so, we suppress incoming messages on the main thread only, to avoid | |
| 72 // infinite repitition. | |
| 73 bool mDeliveringMessage; | |
| 74 | |
| 75 // Listeners to notify whenever a new message is logged. | |
| 76 ListenerHash mListeners; | |
| 77 | |
| 78 // To serialize interesting methods. | |
| 79 mozilla::Mutex mLock; | |
| 80 }; | |
| 81 | |
| 82 #endif /* __nsconsoleservice_h__ */ |
