/*

* Copyright (c) 2006 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:  Watcher for BTEng server PubSub and CenRep keys.

*

*/

#include <startupdomainpskeys.h>

#include <coreapplicationuisdomainpskeys.h>

#include <ctsydomainpskeys.h>

#include <centralrepository.h>

#include <bt_subscribe.h>

#include "btengsrvkeywatcher.h"

#include "btengserver.h"

#include "btengsrvpluginmgr.h"

#include "btengsrvsettingsmgr.h"

#include "btengpairman.h"

#include "btengprivatepskeys.h"

#include "btengprivatecrkeys.h"

#include "debug.h"

/**  Identification for active object */

const TInt KBTEngDutWatcher = 15;

/**  Identification for active object */

const TInt KBTEngLockWatcher = 16;

/**  Identification for active object */

const TInt KBTEngSysWatcher = 17;

/**  Identification for active object */

const TInt KBTEngBtConnectionWatcher = 19;

/**  Identification for active object */

const TInt KBTEngScanningWatcher = 20;

/**  Identification for active object */

const TInt KBTEngEmergencyWatcher = 21;

/**  Identification for active object */

const TInt KBTEngSapWatcher = 22;

/**  Identification for active object */

const TInt KBTEngAddrWatcher = 23;

/**  Identification for active object */

const TInt KBTEngRegistryWatcher = 24;

/**  Identification for active object */

const TInt KBTEngSspDebugWatcher = 25;

/**  Buffer size for BT device address as stored in CenRep */

const TInt KCenRepAddrBufSize = 2 * KBTDevAddrSize;

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

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

// C++ default constructor

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

//

CBTEngSrvKeyWatcher::CBTEngSrvKeyWatcher( CBTEngServer* aServer )

:   iServer( aServer )

    {

    }

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

// Symbian 2nd-phase constructor

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

//

void CBTEngSrvKeyWatcher::ConstructL()

    {

    TRACE_FUNC_ENTRY

    TInt err = iDutModeKey.Attach( KPSUidBluetoothTestingMode, KBTDutEnabled );

    if( !err )

        {

        iDutModeWatcher = CBTEngActive::NewL( *this, KBTEngDutWatcher, 

                                               CActive::EPriorityStandard );

        iDutModeKey.Subscribe( iDutModeWatcher->RequestStatus() );

        iDutModeWatcher->GoActive();

        }

#ifdef RD_REMOTELOCK

    err = iPhoneLockKey.Attach( KPSUidCoreApplicationUIs, KCoreAppUIsAutolockStatus );

    if( !err )

        {

        iPhoneLockWatcher = CBTEngActive::NewL( *this, KBTEngLockWatcher, 

                                                 CActive::EPriorityStandard );

        iPhoneLockKey.Subscribe( iPhoneLockWatcher->RequestStatus() );

        iPhoneLockWatcher->GoActive();

        }

#endif  //RD_REMOTELOCK

    err = iSystemStateKey.Attach( KPSUidStartup, KPSGlobalSystemState );

    if( !err )

        {

        iSystemStateWatcher = CBTEngActive::NewL( *this, KBTEngSysWatcher, 

                                                   CActive::EPriorityStandard );

        iSystemStateKey.Subscribe( iSystemStateWatcher->RequestStatus() );

        iSystemStateWatcher->GoActive();

    err = iBtConnectionKey.Attach( KPropertyUidBluetoothCategory, KPropertyKeyBluetoothConnecting );

    if( !err )

        {

        iBtConnectionWatcher = CBTEngActive::NewL( *this, KBTEngBtConnectionWatcher, 

                                               CActive::EPriorityStandard );

        iBtConnectionKey.Subscribe( iBtConnectionWatcher->RequestStatus() );

        iBtConnectionWatcher->GoActive();

        }

    err = iBtScanningKey.Attach( KPropertyUidBluetoothCategory, KPropertyKeyBluetoothSetScanningStatus );

    if( !err )

        {

        iBtScanningWatcher = CBTEngActive::NewL( *this, KBTEngScanningWatcher, 

                                               CActive::EPriorityStandard );

        iBtScanningKey.Subscribe( iBtScanningWatcher->RequestStatus() );

        iBtScanningWatcher->GoActive();

        }

    err = iEmergencyCallKey.Attach( KPSUidCtsyEmergencyCallInfo, KCTSYEmergencyCallInfo );

    if( !err )

        {

        iEmergencyCallWatcher = CBTEngActive::NewL( *this, KBTEngEmergencyWatcher, 

                                                   CActive::EPriorityStandard );

        iEmergencyCallKey.Subscribe( iEmergencyCallWatcher->RequestStatus() );

        iEmergencyCallWatcher->GoActive();

        }

    err = iBtRegistryKey.Attach( KPropertyUidBluetoothCategory, KPropertyKeyBluetoothGetRegistryTableChange );

    if( !err )

        {

        iBtRegistryWatcher = CBTEngActive::NewL( *this, KBTEngRegistryWatcher, 

                                                 CActive::EPriorityStandard );

        iBtRegistryKey.Subscribe( iBtRegistryWatcher->RequestStatus() );

        iBtRegistryWatcher->GoActive();

        }

    err = iSspDebugModeKey.Attach( KPSUidBluetoothTestingMode, KBTSspDebugmode );

    if( !err )

        {

        iSspDebugModeWatcher = CBTEngActive::NewL( *this, KBTEngSspDebugWatcher, 

                                                    CActive::EPriorityStandard );

        iSspDebugModeKey.Subscribe( iSspDebugModeWatcher->RequestStatus() );

        iSspDebugModeWatcher->GoActive();

        }

        // Use TRAP here, because it leaves if the key does not exist.

    TRAP( err, iSapKeyCenRep = CRepository::NewL( KCRUidBTEngPrivateSettings ) );

    if( !err )

        {

        iSapModeWatcher = CBTEngActive::NewL( *this, KBTEngSapWatcher, 

                                                     CActive::EPriorityStandard );

        err = iSapKeyCenRep->NotifyRequest( KBTSapEnabled, 

                                             iSapModeWatcher->RequestStatus() );

        }

    if( !err )

        {

        iSapModeWatcher->GoActive();

        }

    err = iBdaddrKey.Attach( KPropertyUidBluetoothCategory, 

                              KPropertyKeyBluetoothGetLocalDeviceAddress );

    if( !err )

        {

        CheckBDAddrL();

        }

    TRACE_FUNC_EXIT

    }

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

// NewL

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

//

CBTEngSrvKeyWatcher* CBTEngSrvKeyWatcher::NewL( CBTEngServer* aServer )

    {

    CBTEngSrvKeyWatcher* self = new( ELeave ) CBTEngSrvKeyWatcher( aServer );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

CBTEngSrvKeyWatcher::~CBTEngSrvKeyWatcher()

    {

    if( iDutModeKey.Handle() )

        {

        iDutModeKey.Cancel();

        }

    delete iDutModeWatcher;

    iDutModeKey.Close();

#ifdef RD_REMOTELOCK

    if( iPhoneLockKey.Handle() )

        {

        iPhoneLockKey.Cancel();

        }

    delete iPhoneLockWatcher;

    iPhoneLockKey.Close();

#endif  //RD_REMOTELOCK

    if( iSystemStateKey.Handle() )

        {

        iSystemStateKey.Cancel();

        }

    delete iSystemStateWatcher;

    if( iBtConnectionKey.Handle() )

        {

        iBtConnectionKey.Cancel();

        }

    delete iBtConnectionWatcher;

    iBtConnectionKey.Close();

    if( iBtScanningKey.Handle() )

        {

        iBtScanningKey.Cancel();

        }

    delete iBtScanningWatcher;

    iBtScanningKey.Close();

    if( iEmergencyCallKey.Handle() )

        {

        iEmergencyCallKey.Cancel();

        }

    delete iEmergencyCallWatcher;

    iEmergencyCallKey.Close();

    if( iSspDebugModeKey.Handle() )

        {

        iSspDebugModeKey.Cancel();

        }

    delete iSspDebugModeWatcher;

    iSspDebugModeKey.Close();

    if( iBtRegistryKey.Handle() )

    	{

    	iBtRegistryKey.Cancel();

    	}

    delete iBtRegistryWatcher;

    iBtRegistryKey.Close();

    if( iSapKeyCenRep )

        {

        iSapKeyCenRep->NotifyCancel( KBTSapEnabled );

        }

    delete iSapModeWatcher;

    delete iSapKeyCenRep;

    if( iBdaddrKey.Handle() )

        {

        iBdaddrKey.Cancel();

        }

    delete iBdaddrWatcher;

    iBdaddrKey.Close();

    }

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

// From class MBTEngActiveObserver.

// Processes a changed key value.

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

//

void CBTEngSrvKeyWatcher::RequestCompletedL( CBTEngActive* aActive, TInt aId, 

    TInt aStatus )

    {

    TRACE_FUNC_ARG( ( _L( "status %d" ), aStatus ) )

    ASSERT( aStatus != KErrPermissionDenied );

    TInt val = 0;

    switch( aId )

        {

        case KBTEngDutWatcher:

            {

            TRACE_INFO( ( _L( "DUT mode key changed" ) ) )

            iDutModeKey.Subscribe( aActive->RequestStatus() );

            aActive->GoActive();

            if( !aStatus && !iDutModeKey.Get( val ) )

                {

                iServer->SettingsManager()->SetDutMode( val );

                }

            }

            break;

        case KBTEngLockWatcher:

            {

            TRACE_INFO( ( _L( "phone lock key changed" ) ) )

#ifdef RD_REMOTELOCK

            iPhoneLockKey.Subscribe( aActive->RequestStatus() );

            aActive->GoActive();

            TInt remoteLockVal = 0;

            remoteLockVal = ERemoteLocked;

            if( !aStatus && !iPhoneLockKey.Get( val ) && val == remoteLockVal )

                {

                iServer->SetPowerStateL( EBTOff, EFalse );

                }

#endif  //RD_REMOTELOCK

            }

            break;

        case KBTEngSysWatcher:

            {

            TRACE_INFO( ( _L( "System state key changed" ) ) )

            iSystemStateKey.Subscribe( aActive->RequestStatus() );

            aActive->GoActive();

            if( !aStatus && !iSystemStateKey.Get( val ) && 

                 val == ESwStateShuttingDown )

                {

                iServer->SettingsManager()->SetVisibilityModeL( EBTVisibilityModeNoScans , 0 );

                }

            }

            break;

        case KBTEngBtConnectionWatcher:

            {

            TRACE_INFO( ( _L( "BT connection key changed" ) ) )

            iBtConnectionKey.Subscribe( aActive->RequestStatus() );

            aActive->GoActive();

            iServer->SettingsManager()->SetUiIndicatorsL();

            }

            break;        

        case KBTEngScanningWatcher:

            {

            TRACE_INFO( ( _L( "BT stack scanning key changed" ) ) )

            iBtScanningKey.Subscribe( aActive->RequestStatus() );

            aActive->GoActive();

            if ( !iBtScanningKey.Get( val ) )

                {

                iServer->SettingsManager()->UpdateVisibilityModeL( val );

                }

            }

            break;

        case KBTEngEmergencyWatcher:

            {

            TRACE_INFO( ( _L( "Emergency call key changed" ) ) )

            iEmergencyCallKey.Subscribe( aActive->RequestStatus() );

            aActive->GoActive();

            if( !aStatus && !iEmergencyCallKey.Get( val ) && val )

                {

                // An emergency call initiated -> Close SAP connection if it's active

                iServer->PluginManager()->DisconnectProfile( EBTProfileSAP );

                }

            }

            break;

        case KBTEngSspDebugWatcher:

            {

            TRACE_INFO( ( _L( "Simple pairing debug mode key changed" ) ) )

            iSspDebugModeKey.Subscribe( aActive->RequestStatus() );

            aActive->GoActive();

            if( !aStatus && !iSspDebugModeKey.Get( val ) )

                {

                iServer->SettingsManager()->CheckSspDebugModeL( (TBool) val );

                }

            break;

            }

        case KBTEngRegistryWatcher:

        	{

            TRACE_INFO( ( _L( "BT Registry key changed" ) ) )

            TInt myChangedTable;

			iBtRegistryKey.Subscribe( aActive->RequestStatus() );

			aActive->GoActive();

            TInt err = iBtRegistryKey.Get( myChangedTable );

            if( !err && myChangedTable == KRegistryChangeRemoteTable )

            	{

            	TRACE_INFO( ( _L("BT Remote registry key changed") ) )

            	iServer->PairManager()->RemoteRegistryChangeDetected();

            	}

        	break;

        	}    

        case KBTEngSapWatcher:

            {

            TRACE_INFO( ( _L( "SAP mode key changed" ) ) )

            iSapKeyCenRep->NotifyRequest( KBTSapEnabled, aActive->RequestStatus() );

            aActive->GoActive();

            iSapKeyCenRep->Get( KBTSapEnabled, val );

            TBTPowerState powerState = EBTOff;

            User::LeaveIfError( iServer->SettingsManager()->GetHwPowerState( powerState ) );

            if( aStatus >= 0 && powerState == EBTOn )

                {

                // Relevant only if BT is on

                if( val == EBTSapEnabled )

                    {

                    iServer->PluginManager()->LoadBTSapPluginL();

                    }

                else

                    {

                    iServer->PluginManager()->UnloadBTSapPlugin();

                    }

                }

            }

            break;

        case KBTEngAddrWatcher:

            {

            TBuf8<KBTDevAddrSize> addrPubSub;

			iBdaddrKey.Subscribe( aActive->RequestStatus() );

			aActive->GoActive();

            if( !aStatus && !iBdaddrKey.Get( addrPubSub ) && 

                 addrPubSub.Length() == KBTDevAddrSize )

                {

				iBdaddrKey.Cancel();

                TBTDevAddr addr( addrPubSub );

                TBuf<KCenRepAddrBufSize> addrCenRep;

                addr.GetReadable( addrCenRep );

                    // Write the key to CenRep and stop listening.

                CRepository* cenRep = CRepository::NewL( 

                                            KCRUidBluetoothLocalDeviceAddress );

                cenRep->Set( KBTLocalDeviceAddress, addrCenRep );

                if ( iBdaddrWatcher )

                    {

                    delete iBdaddrWatcher;

                    iBdaddrWatcher = NULL;

                    }

                iBdaddrKey.Close();

                }

            }

            break;

        default:

            {

            TRACE_INFO( ( _L( "[BTENG]\t wrong key notification! id=%d" ), aId ) )

            }

            break;

        }

    TRACE_FUNC_EXIT

    }

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

// From class MBTEngActiveObserver.

// Handles a leave in RunL/RequestCompletedL by checking that all 

// the subscriptions are active.

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

//

void CBTEngSrvKeyWatcher::HandleError( CBTEngActive* aActive, TInt aId, 

    TInt aError )

    {

    TRACE_FUNC_ARG( ( _L( "status %d" ), aError ) )

    (void) aError;

    if( !aActive->IsActive() )

        {

        switch( aId )

            {

            case KBTEngDutWatcher:

                {

                iDutModeKey.Subscribe( aActive->RequestStatus() );

                }

                break;

            case KBTEngLockWatcher:

                {

#ifdef RD_REMOTELOCK

                iPhoneLockKey.Subscribe( aActive->RequestStatus() );

#else

                return; // we don't want to go active without subscribing

#endif  //RD_REMOTELOCK

                }

                break;

            case KBTEngSysWatcher:

                {

                iSystemStateKey.Subscribe( aActive->RequestStatus() );

                }

                break;

            case KBTEngSspDebugWatcher:

                {

                iSspDebugModeKey.Subscribe( aActive->RequestStatus() );

                }

                break;

            case KBTEngSapWatcher:

                {

                iSapKeyCenRep->NotifyRequest( KBTSapEnabled, aActive->RequestStatus() );

                }

                break;

            default:

                {

                TRACE_INFO( ( _L( "[BTENG]\t wrong key notification! id=%d" ), aId ) )

                }

                return; // we don't want to go active without subscribing

            }

        aActive->GoActive();

        }

    }

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

// Checks if we have already stored the BD_ADDR in CenRep; if not, we get it

// from PubSub. If not available from PubSub yet, we subscribe to the key.

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

//

void CBTEngSrvKeyWatcher::CheckBDAddrL()

    {

    TBuf<KCenRepAddrBufSize> addrCenRep;

    CRepository* cenRep = NULL;

        // Use TRAP to catch a leave if the CenRep key does not exist.

    TRAPD( err, cenRep = CRepository::NewL( KCRUidBluetoothLocalDeviceAddress ) );

    CleanupStack::PushL( cenRep );

    if( !err )

        {

        err = cenRep->Get( KBTLocalDeviceAddress, addrCenRep );

        }

    if( err || addrCenRep.Length() != KCenRepAddrBufSize )

        {

        TBuf8<KBTDevAddrSize> addrPubSub;

        err = iBdaddrKey.Get( addrPubSub );

        if( !err && addrPubSub.Length() == KBTDevAddrSize )

            {

            TBTDevAddr addr( addrPubSub );  // For easy conversion

            addr.GetReadable( addrCenRep );

            cenRep->Set( KBTLocalDeviceAddress, addrCenRep );

            iBdaddrKey.Close();

            }

        else

            {

            iBdaddrWatcher = CBTEngActive::NewL( *this, KBTEngAddrWatcher, 

                                                        CActive::EPriorityStandard );