1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/xul/nsRepeatService.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,60 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +//
1.10 +// nsRepeatService
1.11 +//
1.12 +#ifndef nsRepeatService_h__
1.13 +#define nsRepeatService_h__
1.14 +
1.15 +#include "nsCOMPtr.h"
1.16 +#include "nsITimer.h"
1.17 +
1.18 +#define INITAL_REPEAT_DELAY 250
1.19 +
1.20 +#ifdef XP_MACOSX
1.21 +#define REPEAT_DELAY 25
1.22 +#else
1.23 +#define REPEAT_DELAY 50
1.24 +#endif
1.25 +
1.26 +class nsITimer;
1.27 +
1.28 +class nsRepeatService : public nsITimerCallback
1.29 +{
1.30 +public:
1.31 +
1.32 + typedef void (* Callback)(void* aData);
1.33 +
1.34 + NS_DECL_NSITIMERCALLBACK
1.35 +
1.36 + // Start dispatching timer events to the callback. There is no memory
1.37 + // management of aData here; it is the caller's responsibility to call
1.38 + // Stop() before aData's memory is released.
1.39 + void Start(Callback aCallback, void* aData,
1.40 + uint32_t aInitialDelay = INITAL_REPEAT_DELAY);
1.41 + // Stop dispatching timer events to the callback. If the repeat service
1.42 + // is not currently configured with the given callback and data, this
1.43 + // is just ignored.
1.44 + void Stop(Callback aCallback, void* aData);
1.45 +
1.46 + static nsRepeatService* GetInstance();
1.47 + static void Shutdown();
1.48 +
1.49 + NS_DECL_ISUPPORTS
1.50 + virtual ~nsRepeatService();
1.51 +
1.52 +protected:
1.53 + nsRepeatService();
1.54 +
1.55 +private:
1.56 + Callback mCallback;
1.57 + void* mCallbackData;
1.58 + nsCOMPtr<nsITimer> mRepeatTimer;
1.59 + static nsRepeatService* gInstance;
1.60 +
1.61 +}; // class nsRepeatService
1.62 +
1.63 +#endif
