/*

* Copyright (c) 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 "dialogwatcher.h"

#include "DialogWrapper.h"

#include "SWInstDebug.h"

using namespace Swi;

CDialogWatcher* CDialogWatcher::NewL( CDialogWrapper* aDialog )

    {

    CDialogWatcher* self = CDialogWatcher::NewLC( aDialog );

    CleanupStack::Pop( self );

    return self;

    }

CDialogWatcher* CDialogWatcher::NewLC( CDialogWrapper* aDialog )

    {

    CDialogWatcher* self = new(ELeave) CDialogWatcher();

    CleanupStack::PushL( self );

    self->ConstructL( aDialog );

    return self;    

    }

void CDialogWatcher::ConstructL( CDialogWrapper* aDialog )

    {

    iDialogWrapper = aDialog;

    iNoteActive = EFalse;

    iRequestToDisplayNote = EFalse;

    FLOG( _L("[CDialogWatcher] ConstructL: iProperty.Attach") );     

    User::LeaveIfError( iProperty.Attach(            

        KPSUidSWInstallerUiNotification, 

        KSWInstallerDisableDaemonNotes ) );

    FLOG( _L("[CDialogWatcher] ConstructL: CActiveScheduler::Add") );  

    CActiveScheduler::Add( this );

    }

CDialogWatcher::~CDialogWatcher()

    {

    FLOG( _L("[CDialogWatcher] ~CDialogWatcher") ); 

    FLOG( _L("[CDialogWatcher] ~CDialogWatcher: Cancel subscribe") ); 

    iProperty.Cancel();

    FLOG( _L("[CDialogWatcher] ~CDialogWatcher: Close property") ); 

    iProperty.Close();

    if( IsAdded() ) 

         { 

         FLOG( _L("[CDialogWatcher] ~CDialogWatcher: CActive Deque()") ); 

         // Cancel outstanding request and remove from active scheduler.

         Deque();         

         }                            

    }

CDialogWatcher::CDialogWatcher() : CActive( CActive::EPriorityStandard )   

    {

    }

void CDialogWatcher::CancelNoteRequest()

    {

    FLOG( _L("[CDialogWatcher] CancelNoteRequest") ); 

    iRequestToDisplayNote = EFalse;

    }

void CDialogWatcher::RequestToDisplayNote()

    {

    FLOG( _L("[CDialogWatcher] RequestToDisplayNote") ); 

    iRequestToDisplayNote = ETrue;

    }

void CDialogWatcher::StartWatcher()

    {

    FLOG( _L("[CDialogWatcher] StartWatcher") );  

    if( !IsActive() )

        {         

        FLOG( _L("[CDialogWatcher] StartWatcher: Start subscribe") );

        // Request PS key change event.

        iProperty.Subscribe( iStatus );

        FLOG( _L("[CDialogWatcher] StartWatcher: SetActive") );

        SetActive();        

        }

    }

void CDialogWatcher::StopWatcher()

    {

    FLOG( _L("[CDialogWatcher] StopWatcher: Cancel subscribe ") );  

    iProperty.Cancel();      

    Cancel();

    iRequestToDisplayNote = EFalse;  

    }

TInt CDialogWatcher::GetPSKeyForUI( TInt& aPSKeyValue )

    {   

    FLOG( _L("[CDialogWatcher] GetPSKeyForUI") ); 

    TInt err = RProperty::Get( 

        KPSUidSWInstallerUiNotification, 

        KSWInstallerDisableDaemonNotes,

        aPSKeyValue );  

    FLOG_1( _L("[CDialogWatcher] RProperty::Get error = %d "), err );

    FLOG_1( _L("[CDialogWatcher] PS Key value = %d "), aPSKeyValue );   

    return err;

    }

void CDialogWatcher::DoCancel()

    {

    FLOG( _L("[CDialogWatcher] DoCancel ") ); 

    iProperty.Cancel();

    }

void CDialogWatcher::RunL()

    {

    FLOG( _L("[CDialogWatcher] RunL ") ); 

    TInt psKey = KErrNotFound;

    // Get the current PS key.

    TInt err = GetPSKeyForUI( psKey );

    if ( err )

        {

        // If error, let's try ones more.

        err = GetPSKeyForUI( psKey );

        }

    if ( err == KErrNone )

        {        

        if ( psKey )

            {

            FLOG( _L("[CDialogWatcher] RunL: PSKey true -> Cancel notes ") ); 

            // If key is true, cancel all dialogs.

            iDialogWrapper->SetUIFlag( psKey );

            // Issue new request.

            StartWatcher();

            }

        else if ( !psKey && iRequestToDisplayNote )

            {

            FLOG( _L("[CDialogWatcher] RunL: PSKey false -> Show note") ); 

            // If key is false and note should be displayed, 

            // start showing the waiting note.

            iDialogWrapper->SetUIFlag( psKey );

            iDialogWrapper->ShowWaitingNoteL(); 

            iRequestToDisplayNote = EFalse;

            // Issue new request.

            StartWatcher();

            }

        else if ( !psKey )

            {

            FLOG( _L("[CDialogWatcher] RunL: PSKey false -> Set UI flag") ); 

            // If key is true, set UI flag to true and let 

            // dialog wrapper show notes/warnings if needed.

            iDialogWrapper->SetUIFlag( psKey );

            StartWatcher();

            }

        }

    else

        {

        FLOG_1( _L("[CDialogWatcher] RunL: PSKey get error = %d"), err ); 

        FLOG( _L("[CDialogWatcher] RunL: Cancel notes") ); 

        // If we can not read the the PS Key, let's close dialogs, 

        // so we do not block the start applications.

        iDialogWrapper->SetUIFlag( ETrue );

        // Issue new request.

        StartWatcher();

        }            

    }

TInt CDialogWatcher::RunError( TInt aError )

    {

    FLOG_1( _L("[CDialogWatcher] RunError error = %d "), aError );

    return aError;

    }

//EOF