mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 00:55:37 +00:00
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/* -*- 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 : 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
|