/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ // // nsRepeatService // #ifndef nsRepeatService_h__ #define nsRepeatService_h__ #include "nsCOMPtr.h" #include "nsITimer.h" #define INITAL_REPEAT_DELAY 250 #ifdef XP_MACOSX #define REPEAT_DELAY 25 #else #define REPEAT_DELAY 50 #endif class nsITimer; class nsRepeatService final : public nsITimerCallback { public: typedef void (* Callback)(void* aData); NS_DECL_NSITIMERCALLBACK // Start dispatching timer events to the callback. There is no memory // management of aData here; it is the caller's responsibility to call // Stop() before aData's memory is released. void Start(Callback aCallback, void* aData, uint32_t aInitialDelay = INITAL_REPEAT_DELAY); // Stop dispatching timer events to the callback. If the repeat service // is not currently configured with the given callback and data, this // is just ignored. void Stop(Callback aCallback, void* aData); static nsRepeatService* GetInstance(); static void Shutdown(); NS_DECL_ISUPPORTS protected: nsRepeatService(); virtual ~nsRepeatService(); private: Callback mCallback; void* mCallbackData; nsCOMPtr<nsITimer> mRepeatTimer; static nsRepeatService* gInstance; }; // class nsRepeatService #endif