// Copyright (c) 2010 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 "ssastartupwatcher.h"

/*!

    Factory function to create a new instance of the CSSAStartupWatcher

    \return new CSSAStartupWatcher object

*/

CSSAStartupWatcher* CSSAStartupWatcher::NewL(TStartupCallBack aCallback)

{

	CSSAStartupWatcher* self = new (ELeave) CSSAStartupWatcher(KDmHierarchyIdStartup, 

	    KSM2AppServicesDomain3, aCallback);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

}

/*!

    Factory function to create a new instance of the CSSAStartupWatcher

    \return new CSSAStartupWatcher object

*/

CSSAStartupWatcher* CSSAStartupWatcher::New(TStartupCallBack aCallback)

{

    CSSAStartupWatcher* self = NULL;

    TRAP_IGNORE( self = NewL(aCallback); );

    return self;

}

/*!

    Constructor of CWatcherSSAStartupMgr

    \param aHierarchyId The Id of the domain hierarchy to connect to

    \param aDomainId The Id of the domain to connect to

*/

CSSAStartupWatcher::CSSAStartupWatcher(TDmHierarchyId aHierarchyId, 

    TDmDomainId aDomainId, TStartupCallBack aCallback)

: CDmDomain(aHierarchyId,aDomainId), 

  iCallback(aCallback)

{

}

/*!

    Destructor

*/

CSSAStartupWatcher::~CSSAStartupWatcher()

{

	Cancel();

}

/**

Second-stage constructor.

This method indicates how the CWatcherSSAStartupMgr interacts with the

Domain manager to keep aware of the startup state change.

*/

void CSSAStartupWatcher::ConstructL()

{

	// Connect to the Domain Manager

	CDmDomain::ConstructL();

	// Get the start-up state from the Domain Manager.

	TDmDomainState state = GetState();

	// Something wrong with the Domain Manager

	if( state <= EStartupStateUndefined ) {

	    User::Leave(KErrNotReady);

	}

	// Already passed the non critical state

	if( state >= EStartupStateNonCritical ) {

	    NotifyState(state);

	}

	else {

	    RequestTransitionNotification();

	}

}

/*!

    Notify state change

*/

void CSSAStartupWatcher::NotifyState(TInt aValue) 

{

    (*iCallback)(aValue);

}

/*!

    Executed when the startup state change is done, it does the same thing

    as the method InitialiseL().

*/

void CSSAStartupWatcher::RunL()

{

	// Leave if our previous request to be notified a state change has

	// returned an error and let RunError handle this.

	if (iStatus.Int()!=KErrNone) {

	    NotifyState( iStatus.Int() );

	}

	else {

	    // Get the start-up state from the Domain Manager.

	    TDmDomainState state = GetState();

	    // Reached the non critical startup state

	    if( state >= EStartupStateNonCritical ) {

	        NotifyState(state);

	    }

	    else {

	        AcknowledgeLastState(KErrNone);

	        RequestTransitionNotification();

	    }

	}

}

// End of file