148 lines
3.1 KiB
C++
148 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsRepeater.h"
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Repeater* Repeater::sRepeaters = 0;
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Repeater* Repeater::sIdlers = 0;
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Repeater::Repeater()
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{
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mRepeating = false;
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mIdling = false;
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mPrevRptr = 0;
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mNextRptr = 0;
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mPrevIdlr = 0;
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mNextIdlr = 0;
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}
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Repeater::~Repeater()
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{
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if (mRepeating) RemoveFromRepeatList();
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if (mIdling) RemoveFromIdleList();
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}
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// protected helper functs
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//----------------------------------------------------------------------------
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void Repeater::AddToRepeatList()
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{
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if (sRepeaters)
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{
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sRepeaters->mPrevRptr = this;
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mNextRptr = sRepeaters;
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}
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sRepeaters = this;
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}
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//----------------------------------------------------------------------------
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void Repeater::RemoveFromRepeatList()
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{
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if (sRepeaters == this) sRepeaters = mNextRptr;
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if (mPrevRptr) mPrevRptr->mNextRptr = mNextRptr;
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if (mNextRptr) mNextRptr->mPrevRptr = mPrevRptr;
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mPrevRptr = 0;
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mNextRptr = 0;
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}
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//----------------------------------------------------------------------------
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void Repeater::AddToIdleList()
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{
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if (sIdlers)
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{
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sIdlers->mPrevIdlr = this;
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mNextIdlr = sIdlers;
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}
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sIdlers = this;
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}
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//----------------------------------------------------------------------------
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void Repeater::RemoveFromIdleList()
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{
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if (sIdlers == this) sIdlers = mNextIdlr;
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if (mPrevIdlr) mPrevIdlr->mNextIdlr = mNextIdlr;
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if (mNextIdlr) mNextIdlr->mPrevIdlr = mPrevIdlr;
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mPrevIdlr = 0;
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mNextIdlr = 0;
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}
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// repeater methods
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//----------------------------------------------------------------------------
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void Repeater::StartRepeating()
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{
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if (!mRepeating)
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{
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AddToRepeatList();
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mRepeating = true;
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}
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}
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void Repeater::StopRepeating()
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{
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if (mRepeating)
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{
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RemoveFromRepeatList();
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mRepeating = false;
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}
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}
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void Repeater::DoRepeaters(const EventRecord &aMacEvent)
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{
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Repeater* theRepeater = sRepeaters;
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while (theRepeater)
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{
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theRepeater->RepeatAction(aMacEvent);
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theRepeater = theRepeater->mNextRptr;
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}
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}
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// idler methods
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void Repeater::StartIdling()
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{
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if (!mIdling)
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{
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AddToIdleList();
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mIdling = true;
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}
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}
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void Repeater::StopIdling()
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{
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if (mIdling)
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{
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RemoveFromIdleList();
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mIdling = false;
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}
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}
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void Repeater::DoIdlers(const EventRecord &aMacEvent)
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{
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Repeater* theIdler = sIdlers;
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while (theIdler)
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{
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theIdler->RepeatAction(aMacEvent);
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theIdler = theIdler->mNextIdlr;
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}
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}
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