mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-25 17:43:44 +00:00
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2001
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Stuart Parmenter <pavlov@netscape.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef TimerThread_h___
|
|
#define TimerThread_h___
|
|
|
|
#include "nsIObserver.h"
|
|
#include "nsIRunnable.h"
|
|
#include "nsIThread.h"
|
|
|
|
#include "nsTimerImpl.h"
|
|
|
|
#include "nsTArray.h"
|
|
|
|
#include "prcvar.h"
|
|
#include "mozilla/TimeStamp.h"
|
|
#include "prlock.h"
|
|
|
|
class TimerThread : public nsIRunnable,
|
|
public nsIObserver
|
|
{
|
|
public:
|
|
typedef mozilla::TimeStamp TimeStamp;
|
|
typedef mozilla::TimeDuration TimeDuration;
|
|
|
|
TimerThread();
|
|
NS_HIDDEN_(nsresult) InitLocks();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIRUNNABLE
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
NS_HIDDEN_(nsresult) Init();
|
|
NS_HIDDEN_(nsresult) Shutdown();
|
|
|
|
nsresult AddTimer(nsTimerImpl *aTimer);
|
|
nsresult TimerDelayChanged(nsTimerImpl *aTimer);
|
|
nsresult RemoveTimer(nsTimerImpl *aTimer);
|
|
|
|
#define FILTER_DURATION 1e3 /* one second */
|
|
#define FILTER_FEEDBACK_MAX 100 /* 1/10th of a second */
|
|
|
|
void UpdateFilter(PRUint32 aDelay, TimeStamp aTimeout,
|
|
TimeStamp aNow);
|
|
|
|
void DoBeforeSleep();
|
|
void DoAfterSleep();
|
|
|
|
private:
|
|
~TimerThread();
|
|
|
|
PRInt32 mInitInProgress;
|
|
PRBool mInitialized;
|
|
|
|
// These two internal helper methods must be called while mLock is held.
|
|
// AddTimerInternal returns the position where the timer was added in the
|
|
// list, or -1 if it failed.
|
|
PRInt32 AddTimerInternal(nsTimerImpl *aTimer);
|
|
PRBool RemoveTimerInternal(nsTimerImpl *aTimer);
|
|
void ReleaseTimerInternal(nsTimerImpl *aTimer);
|
|
|
|
nsCOMPtr<nsIThread> mThread;
|
|
PRLock *mLock;
|
|
PRCondVar *mCondVar;
|
|
|
|
PRPackedBool mShutdown;
|
|
PRPackedBool mWaiting;
|
|
PRPackedBool mSleeping;
|
|
|
|
nsTArray<nsTimerImpl*> mTimers;
|
|
|
|
#define DELAY_LINE_LENGTH_LOG2 5
|
|
#define DELAY_LINE_LENGTH_MASK PR_BITMASK(DELAY_LINE_LENGTH_LOG2)
|
|
#define DELAY_LINE_LENGTH PR_BIT(DELAY_LINE_LENGTH_LOG2)
|
|
|
|
PRInt32 mDelayLine[DELAY_LINE_LENGTH]; // milliseconds
|
|
PRUint32 mDelayLineCounter;
|
|
PRUint32 mMinTimerPeriod; // milliseconds
|
|
TimeDuration mTimeoutAdjustment;
|
|
};
|
|
|
|
#endif /* TimerThread_h___ */
|