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comparison: layout/xul/nsRepeatService.h
layout/xul/nsRepeatService.h
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:890a168092af |
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| 1 /* -*- Mode: C++; tab-width: 2; 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 // | |
| 7 // nsRepeatService | |
| 8 // | |
| 9 #ifndef nsRepeatService_h__ | |
| 10 #define nsRepeatService_h__ | |
| 11 | |
| 12 #include "nsCOMPtr.h" | |
| 13 #include "nsITimer.h" | |
| 14 | |
| 15 #define INITAL_REPEAT_DELAY 250 | |
| 16 | |
| 17 #ifdef XP_MACOSX | |
| 18 #define REPEAT_DELAY 25 | |
| 19 #else | |
| 20 #define REPEAT_DELAY 50 | |
| 21 #endif | |
| 22 | |
| 23 class nsITimer; | |
| 24 | |
| 25 class nsRepeatService : public nsITimerCallback | |
| 26 { | |
| 27 public: | |
| 28 | |
| 29 typedef void (* Callback)(void* aData); | |
| 30 | |
| 31 NS_DECL_NSITIMERCALLBACK | |
| 32 | |
| 33 // Start dispatching timer events to the callback. There is no memory | |
| 34 // management of aData here; it is the caller's responsibility to call | |
| 35 // Stop() before aData's memory is released. | |
| 36 void Start(Callback aCallback, void* aData, | |
| 37 uint32_t aInitialDelay = INITAL_REPEAT_DELAY); | |
| 38 // Stop dispatching timer events to the callback. If the repeat service | |
| 39 // is not currently configured with the given callback and data, this | |
| 40 // is just ignored. | |
| 41 void Stop(Callback aCallback, void* aData); | |
| 42 | |
| 43 static nsRepeatService* GetInstance(); | |
| 44 static void Shutdown(); | |
| 45 | |
| 46 NS_DECL_ISUPPORTS | |
| 47 virtual ~nsRepeatService(); | |
| 48 | |
| 49 protected: | |
| 50 nsRepeatService(); | |
| 51 | |
| 52 private: | |
| 53 Callback mCallback; | |
| 54 void* mCallbackData; | |
| 55 nsCOMPtr<nsITimer> mRepeatTimer; | |
| 56 static nsRepeatService* gInstance; | |
| 57 | |
| 58 }; // class nsRepeatService | |
| 59 | |
| 60 #endif |
