diff -r 000000000000 -r 2e3d3ce01487 commonappservices/alarmserver/Server/Source/assrvsystemstate.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/commonappservices/alarmserver/Server/Source/assrvsystemstate.cpp Tue Feb 02 10:12:00 2010 +0200 @@ -0,0 +1,172 @@ +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#include "assrvsystemstate.h" + +#include +#include + +// Some constants defined for ssm workaround +const TUid KCategoryWorkAroundUID = {0x101f5027}; +const TInt KKeyWorkAroundStateChange = 301; +const TInt KKeyWorkAroundAck = 302; + +CASSrvSystemState* CASSrvSystemState::NewL() + { + CASSrvSystemState* self = new(ELeave) CASSrvSystemState(); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +CASSrvSystemState::~CASSrvSystemState() + { + Cancel(); + iStateAwareSession.Close(); + iObservers.Close(); + + // close the workaround property + iWorkAroundProperty.Close(); + } + +CASSrvSystemState::CASSrvSystemState() + :CActive(CActive::EPriorityStandard) + { + CActiveScheduler::Add(this); + } + +void CASSrvSystemState::ConstructL() + { + iWorkAround = (iWorkAroundProperty.Attach(KCategoryWorkAroundUID, KKeyWorkAroundStateChange) == KErrNone); + + if (iWorkAround) + { + // the workwround property has been defined so we must be in test code + // subscribe to changes to this property + iWorkAroundProperty.Subscribe(iStatus); + SetActive(); + } + else + { + // This should be all that is in this function when we remove the workaround + TInt connectError = iStateAwareSession.Connect(KSM2AppServicesDomain3); + if (connectError == KErrNone) + { + iStateAwareSession.RequestStateNotification(iStatus); + SetActive(); + } + } + } + +void CASSrvSystemState::RunL() + { + // If there is an error fail silently, there isn't anything useful we can do + // and it would be excessive to panic the server because we can't register a device wakeup + + if (iStatus == KErrNone) + { + MASSrvSystemStateObserver::TState state; + if (GetState(state)) + { + // notify the observers + const TInt KObserverCount(iObservers.Count()); + for (TInt i(0) ; i < KObserverCount ; ++i) + { + iObservers[i]->MHandleSystemStateChange(state); + } + } + + AcknowledgeAndRequestStateNotification(); + } + } + +void CASSrvSystemState::DoCancel() + { + if (iWorkAround) + { + iWorkAroundProperty.Cancel(); + } + else + { + iStateAwareSession.RequestStateNotificationCancel(); + } + } + +void CASSrvSystemState::RequestNotificationL(MASSrvSystemStateObserver& aObserver) + { + User::LeaveIfError(iObservers.InsertInAddressOrder(&aObserver)); + } + +void CASSrvSystemState::RequestNotificationCancel(MASSrvSystemStateObserver& aObserver) + { + TInt index = KErrNotFound; + const TInt error = iObservers.FindInAddressOrder(&aObserver, index); + + if (error != KErrNotFound) + { + iObservers.Remove(index); + } + } + +TBool CASSrvSystemState::GetState(MASSrvSystemStateObserver::TState& aState) + { + TBool interestedInChange(EFalse); + TSsmState ssmState; + + if (iWorkAround) + { + TInt value; + iWorkAroundProperty.Get(KCategoryWorkAroundUID, KKeyWorkAroundStateChange, value); + ssmState.Set(value, 0x10); + } + else + { + ssmState = iStateAwareSession.State(); + } + + if (ssmState.MainState() == ESsmShutdown && ssmState.SubState() == ESsmShutdownSubStateCritical) + { + aState = MASSrvSystemStateObserver::EShutdown; + interestedInChange = ETrue; + } + else if (ssmState.MainState() == ESsmNormal && ssmState.SubState() == ESsmNormalSubState) + { + aState = MASSrvSystemStateObserver::ENormal; + interestedInChange = ETrue; + } + + return interestedInChange; + } + +void CASSrvSystemState::AcknowledgeAndRequestStateNotification() + { + if (iWorkAround) + { + // Send an acknoledgement back to the test code + // that we have finished actioning the state notification + RProperty::Set(KCategoryWorkAroundUID, KKeyWorkAroundAck, 3); + iWorkAroundProperty.Subscribe(iStatus); + } + else + { + // Acknowledge this state change and request notification + // for the next state change + iStateAwareSession.AcknowledgeAndRequestStateNotification(KErrNone, iStatus); + } + + SetActive(); + } +