/*

* 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:  Implements base class for notifier implementations

*

*/

#include <eikenv.h>

#include <bautils.h>

#include <featmgr.h>

#include <spentry.h> 

#include <spsettings.h>

#include <spproperty.h>

#include <cchuinotif.rsg>

#include <StringLoader.h>

#include <aknnotewrappers.h>

#include <centralrepository.h>

#include <cenrepnotifyhandler.h>

#include <CoreApplicationUIsSDKCRKeys.h> // KCRUidCoreApplicationUIs, 

                                         // KCoreAppUIsNetworkConnectionAllowed

#include "cchuilogger.h"

#include "cchuinotifier.h"

#include "cchuinotifconnectionhandler.h"

_LIT( KResourceDir, "\\resource\\apps\\" );

_LIT( KResourceFileName, "cchuinotif.r??" );

// SCP-plugin uid for Sip VoIP

const TInt32 KSipVoIPSubServicePlugId = 0x1027545A;

// ======== MEMBER FUNCTIONS ========

CCCHUiNotifierBase::CCCHUiNotifierBase(): CActive(EPriorityStandard)

    {

    CActiveScheduler::Add(this);

    }

void CCCHUiNotifierBase::ConstructL()

    {      

    CCHUIDEBUG( "CCCHUiNotifierBase::ConstructL - IN" );

    iEikEnv = CEikonEnv::Static();

    // load the resource file

    CCHUIDEBUG( "ConstructL - load resource");

    HBufC* resourceFile = ScanFileL( iEikEnv->FsSession(), 

        TFileName( KResourceFileName ), TFileName( KResourceDir ) );

    if ( resourceFile )

        {

        CCHUIDEBUG( "ConstructL - resource ready, adding");   

        CleanupStack::PushL( resourceFile );

        iResourceFileFlag = iEikEnv->AddResourceFileL(

            *resourceFile );    

        CleanupStack::PopAndDestroy( resourceFile );

        CCHUIDEBUG( "ConstructL - resource added");    

        }

    iSettings = CSPSettings::NewL();

    CCHUIDEBUG( "CCCHUiNotifierBase::ConstructL - OUT" );

    }

CCCHUiNotifierBase::~CCCHUiNotifierBase()

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::~CCCHUiNotifierBase - IN" );

    Cancel();    

    delete iSettings;

    CompleteMessage( KErrDied );  

    iEikEnv->DeleteResourceFile( iResourceFileFlag );

    CCHUIDEBUG( "CCCHUiNotifierBase::~CCCHUiNotifierBase - OUT" );

    }

// ---------------------------------------------------------------------------

// CompleteMessage.

// ---------------------------------------------------------------------------

//

void CCCHUiNotifierBase::CompleteMessage( TInt aErr )

    {      

    CCHUIDEBUG2( "CCCHUiNotifierBase::CompleteMessage - err: %d", aErr );

    if( !iMessage.IsNull() )

        {

        CCHUIDEBUG( "CompleteMessage - do complete");

        iMessage.Complete( aErr );

        }

    iReplySlot = NULL;                    

    }

// ---------------------------------------------------------------------------

// From class MEikSrvNotifierBase2.

// Cancelling method.

// ---------------------------------------------------------------------------

//

void CCCHUiNotifierBase::Cancel()

    {   

    CCHUIDEBUG( "CCCHUiNotifierBase::Cancel - IN" );

    // Complete with KErrCancel

    CompleteMessage(KErrCancel);        

    CActive::Cancel();

    CCHUIDEBUG( "CCCHUiNotifierBase::Cancel - OUT" );

    }

// ---------------------------------------------------------------------------

// RunL

// From CActive.

// ---------------------------------------------------------------------------

//

void CCCHUiNotifierBase::RunL(  )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::RunL" );

    }

// ---------------------------------------------------------------------------

// From class MEikSrvNotifierBase2.

// Release itself. Call to destructor.

// ---------------------------------------------------------------------------

//

void CCCHUiNotifierBase::Release()

    { 

    CCHUIDEBUG( "CCCHUiNotifierBase::Release");

    delete this;

    }

// ---------------------------------------------------------------------------

// From class MEikSrvNotifierBase2.

// Return registered information.

// ---------------------------------------------------------------------------

//

CCCHUiNotifierBase::TNotifierInfo CCCHUiNotifierBase::Info() const

    {      

    CCHUIDEBUG( "CCCHUiNotifierBase::Info");

    return iInfo;

    }

// ---------------------------------------------------------------------------

// From class MEikSrvNotifierBase2.

// Synchronic notifier launch. Does nothing here.

// ---------------------------------------------------------------------------

//

TPtrC8 CCCHUiNotifierBase::StartL( const TDesC8& /*aBuffer*/ )

    {    

    CCHUIDEBUG( "CCCHUiNotifierBase::StartL");

    TPtrC8 ret( KNullDesC8 );

    return ret;

    }

// ---------------------------------------------------------------------------

// From class MEikSrvNotifierBase2.

// Asynchronic notifier launch.

// ---------------------------------------------------------------------------

//

void CCCHUiNotifierBase::StartL( 

    const TDesC8& aBuffer, 

    TInt aReplySlot, 

    const RMessagePtr2& aMessage )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::StartL2 - IN");

    iMessage = aMessage;

    iReplySlot = aReplySlot;

    SetActive();

    iStatus = KRequestPending;

    TRequestStatus* stat = &iStatus;

    User::RequestComplete(stat, KErrNone);

    CCHUIDEBUG( "CCCHUiNotifierBase::StartL2 - OUT");

    }

// ---------------------------------------------------------------------------

// From class MEikSrvNotifierBase2.

// Notifier update. Not supported.

// ---------------------------------------------------------------------------

//

TPtrC8 CCCHUiNotifierBase::UpdateL( const TDesC8& /*aBuffer*/ )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::UpdateL");

    TPtrC8 ret( KNullDesC8 );

    return ret;

    }

// ----------------------------------------------------------

// CCCHUiNotifierBase::DoCancel

// This method will be called by framework (CActive)

// if active object is still active.

// Does nothing here.

// ----------------------------------------------------------

//

void CCCHUiNotifierBase::DoCancel()

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::DoCancel - IN");

    // Complete request when active object is still active

    TRequestStatus* stat = &iStatus;

    if (iStatus != KErrCancel)

        {

        User::RequestComplete(stat, KErrNone);

        }

    CCHUIDEBUG( "CCCHUiNotifierBase::DoCancel - OUT");

    }

// -----------------------------------------------------------------------------

// Scan resource file.

// -----------------------------------------------------------------------------

//

HBufC* CCCHUiNotifierBase::ScanFileL( 

    RFs& aSession, 

    const TDesC& aFileName, 

    const TDesC& aFilePath )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::ScanFileL");     

    TFindFile search( aSession ); 

    CDir* dirlist; 

    HBufC* fullName = NULL;

    TFileName filename( aFileName );

    TInt err = search.FindWildByDir( filename, aFilePath, dirlist ); 

    CCHUIDEBUG2( "ScanFileL - FindWildByDir err: %d", err );    

    if ( err == KErrNone )

        {

        CCHUIDEBUG2( "ScanFileL - dir list count: %d", dirlist->Count() );      

        if ( 0 < dirlist->Count() )

            {

            CCHUIDEBUG( "ScanFileL - Parsing full entry" );

            TParse fullentry;

            fullentry.Set( (*dirlist)[0].iName, &search.File(), NULL ); 

            TFileName nearestFile( fullentry.FullName() );

            BaflUtils::NearestLanguageFile( aSession, nearestFile );   

            fullName = HBufC::NewL( nearestFile.Length() );

            fullName->Des().Copy( nearestFile );  

            }

        delete dirlist; 

        CCHUIDEBUG2( "ScanFileL - full name: %S", fullName );             

        }     

    return fullName;

    }  

// ---------------------------------------------------------------------------

// Resolves service name.

// ---------------------------------------------------------------------------

//

void CCCHUiNotifierBase::GetServiceNameL( 

    TUint aServiceId, TDes& aServiceName )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::GetServiceNameL" );	

	CSPEntry* entry = CSPEntry::NewLC();

	TRAPD( err, iSettings->FindEntryL( aServiceId, *entry ) );

	if ( !err )

	    {

	    aServiceName = entry->GetServiceName();

	    }

	CleanupStack::PopAndDestroy( entry );    

    CCHUIDEBUG( "CCCHUiNotifierBase::GetServiceNameL OUT" );

    }

// ---------------------------------------------------------------------------

// Resolves current connection name.

// ---------------------------------------------------------------------------

//

void CCCHUiNotifierBase::CurrentConnectionNameL( 

    TUint aServiceId, TUint aIapId, RBuf& aIapName )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::CurrentConnectionNameL - IN" );    

    CCchUiNotifConnectionHandler* connHandler = 

            CCchUiNotifConnectionHandler::NewLC();

    RBuf serviceName;

    CleanupClosePushL( serviceName );

    serviceName.CreateL( KServiceNameLength );

    GetServiceNameL( aServiceId, serviceName );

    // get connection name

    connHandler->ConnectionNameL( aIapId, serviceName, aIapName );

    CleanupStack::PopAndDestroy( &serviceName );

    CleanupStack::PopAndDestroy( connHandler );

    CCHUIDEBUG( "CCCHUiNotifierBase::CurrentConnectionNameL - OUT" );

    }

// ---------------------------------------------------------------------------

// Resolves if service is SIP/VoIP.

// ---------------------------------------------------------------------------

//

TBool CCCHUiNotifierBase::IsSIPVoIPL( TUint aServiceId )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::IsSIPVoIPL" );

    TInt uid( 0 );

    TBool sipVoIP( EFalse );

    CSPProperty* property = CSPProperty::NewLC();

    User::LeaveIfError( iSettings->FindPropertyL( 

            aServiceId, EPropertyVoIPSubServicePluginId , *property ) );

    User::LeaveIfError( property->GetValue( uid ) );

    if ( KSipVoIPSubServicePlugId == uid )

        {

        sipVoIP = ETrue;

        }

    CleanupStack::PopAndDestroy( property );

    CCHUIDEBUG2( "CCCHUiNotifierBase::IsSIPVoIPL: %d", sipVoIP );

    return sipVoIP;

    }

// -----------------------------------------------------------------------------

// Checks if phone is in offline mode.

// -----------------------------------------------------------------------------

//

TBool CCCHUiNotifierBase::IsPhoneOfflineL() const

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::IsPhoneOfflineL" );	

    if ( FeatureManager::FeatureSupported( KFeatureIdOfflineMode ) )

        {

        CRepository* repository = CRepository::NewLC(KCRUidCoreApplicationUIs);

        TInt connAllowed = ECoreAppUIsNetworkConnectionAllowed;

        repository->Get( KCoreAppUIsNetworkConnectionAllowed, connAllowed );

        CleanupStack::PopAndDestroy( repository ); 

        if ( !connAllowed )

            {

            CCHUIDEBUG( "IsPhoneOfflineL - phone is in offline" );	        

            return ETrue;

            }

        }

    CCHUIDEBUG( "IsPhoneOfflineL - phone is not in offline" );	

    return EFalse;

    }    

// -----------------------------------------------------------------------------

// Checks if there are GPRS IAPs available in Internet SNAP.

// -----------------------------------------------------------------------------

//

TBool CCCHUiNotifierBase::IsGprsIapsAvailableL() const

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::IsGprsIapsAvailableL" );   

    TBool available( EFalse );

    CCchUiNotifConnectionHandler* connHandler = 

        CCchUiNotifConnectionHandler::NewLC();

    RArray<TUint32> gprsIapIds;

    CleanupClosePushL( gprsIapIds );

    // Array for iap names. No use here, we need just iap count.

    CDesCArray* iapNames = new (ELeave) CDesCArrayFlat( 3 );

    CleanupStack::PushL( iapNames );            

    TRAPD( err, connHandler->GetGprsAccessPointsL( *iapNames, gprsIapIds ) );

    if ( gprsIapIds.Count() && !err )

        {     

        CCHUIDEBUG( "IsGprsIapsAvailableL - gprs iaps available" );      

        available = ETrue;

        }

    CleanupStack::PopAndDestroy( iapNames );

    CleanupStack::PopAndDestroy( &gprsIapIds );

    CleanupStack::PopAndDestroy( connHandler );

    CCHUIDEBUG( "IsGprsIapsAvailableL gprs iaps not available" );

    return available;

    }

// -----------------------------------------------------------------------------

// Checks if connection is used by other services.

// -----------------------------------------------------------------------------

//

TBool CCCHUiNotifierBase::ConnectionUsedByOthersL( 

    TUint aServiceId, TInt aIapId )

    {

    CCHUIDEBUG( "CCCHUiNotifierBase::ConnectionUsedByOthersL" );

    TBool usedByOthers( EFalse );

    RArray<TUint32> destIds;

    CleanupClosePushL( destIds );

    CCchUiNotifConnectionHandler* connHandler = 

            CCchUiNotifConnectionHandler::NewLC();

    RBuf serviceName;

    CleanupClosePushL( serviceName );

    serviceName.CreateL( KServiceNameLength );

    GetServiceNameL( aServiceId, serviceName );

    CCHUIDEBUG( "ConnectionUsedByOthersL - get destinations" );

    // Get all but our services destinations.

    connHandler->GetDestinationsL( serviceName, destIds );

    CleanupStack::PopAndDestroy( &serviceName );

    for ( TInt i( 0 ) ; i < destIds.Count() ; i++ )

        {

        RArray<TUint32> iapIds;

        CleanupClosePushL( iapIds );

        connHandler->GetAccessPointsFromSnapL( iapIds, destIds[ i ] );

        TInt index = iapIds.Find( aIapId );

        if ( KErrNotFound != index  )

            {

            CCHUIDEBUG( 

            "ConnectionUsedByOthersL - iap is used by other service(s)" );

            usedByOthers = ETrue;

            }

        CleanupStack::PopAndDestroy( &iapIds );

        }

    CleanupStack::PopAndDestroy( connHandler );

    CleanupStack::PopAndDestroy( &destIds );

    return usedByOthers;

    }