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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// A subject for oberving requests to reduce the timers currently
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// running in the simulator.
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//
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//
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/**
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@file
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*/
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#include "Simlog.h"
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#include "CSimReduceTimers.h"
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/**
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Factory function for creating a CSimReduceTimers object.
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@return A pointer to the object created.
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*/
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CSimReduceTimers* CSimReduceTimers::NewL()
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{
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CSimReduceTimers* self = new(ELeave) CSimReduceTimers;
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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/**
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Second phase constructor. Ensures that the required Publish &
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Subscribe property is defined and starts listening to any changes (or
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Set() calls) made to this property.
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*/
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void CSimReduceTimers::ConstructL()
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{
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TInt dummy;
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TInt ret = RProperty::Get(KUidPSSimTsyCategory, KPSSimTsyTimersReduceTime, dummy);
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if (ret == KErrNone)
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{
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iPSProperty = CSimPubSub::TPubSubProperty(KUidPSSimTsyCategory,KPSSimTsyTimersReduceTime,
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KPSSimTsyTimersReduceTimeSignalKeyType);
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iSimPubSub = CSimPubSub::NewL(this,iPSProperty);
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iSimPubSub->Start();
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}
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else
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{
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User::Leave(ret);
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}
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}
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/**
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Default, first-phase, constructor.
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*/
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CSimReduceTimers::CSimReduceTimers()
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{
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// NOP
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}
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/**
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Default destrucor for the reduce timers subject.
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*/
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CSimReduceTimers::~CSimReduceTimers()
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{
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delete iSimPubSub;
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iObservers.Close();
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}
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void CSimReduceTimers::SimPSEvent(const CSimPubSub::TPubSubProperty aProperty, TInt aStatus)
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{
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if (aProperty == iPSProperty && // Condition for correct property
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(aStatus == ETimerIdAllTimers)) // and correct value for signal
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{
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LOGMISC1(">>CSimReduceTimers.cpp: Reduce Timer event fired for all timers");
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Notify();
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}
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else if(aProperty == iPSProperty && aStatus > 0)
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{
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LOGMISC2(">>CSimReduceTimers.cpp: Reduce Timer event fired for event ID %d", aStatus);
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Notify(aStatus);
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}
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}
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void CSimReduceTimers::AttachL(MSimTimerUpdateObserver* aObserver)
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{
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LOGMISC1("CSimReduceTimers::AttachL");
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User::LeaveIfError(iObservers.Append(aObserver));
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}
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void CSimReduceTimers::DetachL(MSimTimerUpdateObserver* aObserver)
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{
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TInt pos = iObservers.Find(aObserver);
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LOGMISC2("CSimReduceTimers::DetachL, from position %d", pos);
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User::LeaveIfError(pos);
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iObservers.Remove(pos);
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}
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void CSimReduceTimers::Notify()
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{
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TInt totalItems = iObservers.Count();
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LOGMISC2("CSimReduceTimers::Notify, %d observers registered", totalItems);
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if (totalItems <= 0)
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{
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LOGMISC1("CSimReduceTimers::Notify, No timers to reduce.");
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return;
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}
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TInt minTimeReduce = KMaxTInt;
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TInt num;
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for (num = 0; num < totalItems; num++)
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{
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TInt temp = iObservers[num]->GetRemainingSeconds();
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LOGMISC3("CSimReduceTimers::Notify, iObservers[%d] remaining time = %d", num, temp);
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// Ensure no error is returned and check if the current itteration gives a lower time remaining.
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if (temp > 0 && temp < minTimeReduce)
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{
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minTimeReduce = temp;
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}
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}
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if (minTimeReduce == KMaxTInt)
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{
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LOGMISC1("CSimReduceTimers::Notify, No running timers.");
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return;
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}
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LOGMISC2("CSimReduceTimers::Notify, Min time to reduce all timers: %d", minTimeReduce);
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// Ensure that reducing timers by minTimeReduce does not reduce any timer to less than KTimerDelayOnReduceTimeSignal.
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minTimeReduce -= KTimerDelayOnReduceTimeSignal;
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if (minTimeReduce <= 0)
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{
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LOGMISC1("CSimReduceTimers::Notify, Min time to reduce <= KTimerDelayOnReduceTimeSignal, no change to timers.");
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return;
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}
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for (num = 0; num < totalItems; num++)
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{
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iObservers[num]->Update(minTimeReduce);
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}
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}
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void CSimReduceTimers::Notify(TInt aTimerEventId)
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{
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TInt totalItems = iObservers.Count();
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LOGMISC2("CSimReduceTimers::Notify, %d observers registered", totalItems);
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if (totalItems <= 0)
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{
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LOGMISC1("CSimReduceTimers::Notify, No timers to reduce.");
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return;
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}
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//Get the index of the observer with with event id aTimerEventId
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//and the lowest remaining timer
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TInt lowestTime = KMaxTInt;
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TInt indexOfLowest = KErrNotFound;
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TInt index;
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for(index = 0; index < totalItems; index++)
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{
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if((iObservers[index]->GetTimerEventInfo() == aTimerEventId) &&
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(iObservers[index]->GetRemainingSeconds() > 0) &&
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(iObservers[index]->GetRemainingSeconds() < lowestTime))
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{
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indexOfLowest = index;
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lowestTime = iObservers[index]->GetRemainingSeconds();
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}
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}
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if(indexOfLowest == KErrNotFound)
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{
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LOGMISC2(">>CSimReduceTimers::Notify, No observers with event ID %d found",
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aTimerEventId);
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return;
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}
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//Check that reducing the timer of the selected observer is acceptable
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TInt reduceBy = lowestTime - KTimerDelayOnReduceTimeSignal;
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if(reduceBy >= lowestTime)
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{
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LOGMISC3("CSimReduceTimers::Notify, Lowest timer for event ID %d already less than %d sec. No timer reduced.",
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KTimerDelayOnReduceTimeSignal, aTimerEventId);
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}
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else
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{
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LOGMISC3(">>CSimReduceTimers::Notify, Timer for observer with event ID %d, reduced by %d sec",
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aTimerEventId, reduceBy);
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iObservers[indexOfLowest]->Update(reduceBy);
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}
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}
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