/*

* 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 <e32def.h> // Define before audiopolicy defs

#include <e32std.h> // Define before audiopolicy defs

#include <eikdef.h>

#ifndef __WINS__

#include <audiopolicypubsubdata.h>

#include <audiosw_pubsubkeys.h>

#endif //__WINS__

#include <ctsydomainpskeys.h>

#include <publicruntimeids.hrh>

#include <sacls.h>

#ifdef COMPILE_IN_IVALO

#   include <voiceuidomainpskeys.h>

#endif //COMPILE_IN_IVALO

#include <featmgr.h>

#include "cradioenginelogger.h"

#include "cradiosystemeventdetector.h"

#include "mradiosystemeventdetectorobserver.h"

/** Granularity for audio category arrays. */

const TInt KVRAudioCategoryArrayGranularity = 3;

// This has to be the last include. 

#ifdef STUB_CONSTELLATION

#   include "RadioStubManager.h"

#   define KUidSystemCategory KStub_KUidSystemCategory

#   define KPSUidCtsyCallInformation KStub_KPSUidCtsyCallInformation

#   define KPSUidVoiceUiAccMonitor KStub_KPSUidVoiceUiAccMonitor

#   define KPSUidMMFAudioServer KStub_KPSUidMMFAudioServer

#endif //STUB_CONSTELLATION

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

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

//

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

//

CRadioSystemEventDetector::CRadioSystemEventDetector( MRadioSystemEventDetectorObserver&  aObserver )

    : iObserver( aObserver )

    , iIsMobileNetworkCoverage( EFalse )

    , iIsWlanCoverage( EFalse )

    , iIsCallActive( EFalse )

    , iIsAudioResourcesAvailable( ETrue )

    , iIsVoiceUiActive( EFalse )

    {

    }

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

//

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

//

void CRadioSystemEventDetector::ConstructL()

    {

//    FeatureManager::InitializeLibL();

//    TBool wlanSupported = FeatureManager::FeatureSupported( KFeatureIdProtocolWlan );

//    FeatureManager::UnInitializeLib();

    TBool wlanSupported = EFalse; //TODO: Check if we have any need for this

    iNetworkStatusObserver = CRadioPropertyObserver::NewL( *this,

                                                           KUidSystemCategory,

                                                           KUidNetworkStatusValue,

                                                           CRadioPropertyObserver::ERadioPropertyInt );

    iNetworkStatusObserver->ActivateL();

    iIsMobileNetworkCoverage = iNetworkStatusObserver->ValueInt() == ESANetworkAvailable;

    // On S60 platform, there is no guaranteed way of seeing whether WLAN is explicitly turned off

    // in the settings, or whether the network is available. For now, we only check the existence of

    // the WLAN support in the feature manager. We might also want to check whether WLAN access points

    // have been configured.

    iIsWlanCoverage = wlanSupported;

    // Initialize call state observer.

    iCallStatusObserver = CRadioPropertyObserver::NewL( *this,

                                                        KPSUidCtsyCallInformation,

                                                        KCTsyCallState,

                                                        CRadioPropertyObserver::ERadioPropertyInt );

    iCallStatusObserver->ActivateL();

    iIsCallActive = iCallStatusObserver->ValueInt() != EPSCTsyCallStateNone;

#ifdef COMPILE_IN_IVALO

    // Initialize voice ui observer.

    iVoiceUiObserver = CRadioPropertyObserver::NewL( *this,

                                                     KPSUidVoiceUiAccMonitor,

                                                     KVoiceUiOpenKey,

                                                     CRadioPropertyObserver::ERadioPropertyInt );

    iVoiceUiObserver->ActivateL();

#endif //COMPILE_IN_IVALO

#ifndef __WINS__

    // Define audio types for not resuming.

    iNoAutoResumeAudioCategories = RArray<TInt>( KVRAudioCategoryArrayGranularity );

    iNoAutoResumeAudioCategories.AppendL( ECatMediaPlayer );

    iNoAutoResumeAudioCategories.AppendL( ECatMobileTv );

    iNoAutoResumeAudioCategories.AppendL( ECatUnknownPlayer );

    iNoAutoResumeAudioCategories.Compress();

    // Start listening audio client events.

    iAudioPolicyObserver = CRadioPropertyObserver::NewL( *this, KPSUidMMFAudioServer, KAudioPolicyAudioClients, CRadioPropertyObserver::ERadioPropertyByteArray );

    iAudioPolicyObserver->ActivateL();

#endif

    }

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

//

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

//

CRadioSystemEventDetector::~CRadioSystemEventDetector()

    {

    FeatureManager::UnInitializeLib();

    delete iCallStatusObserver;

    delete iNetworkStatusObserver;

    delete iVoiceUiObserver;

    delete iAudioPolicyObserver;

    iNoAutoResumeAudioCategories.Close();

    }

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

//

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

//

CRadioSystemEventDetector* CRadioSystemEventDetector::NewL( MRadioSystemEventDetectorObserver&  aObserver )

    {

    CRadioSystemEventDetector* self = new ( ELeave ) CRadioSystemEventDetector( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Handling of the int property changes is done here.

// Observer components are getting notifications in correspondence with what

// has changed

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

//

void CRadioSystemEventDetector::HandlePropertyChangeL( const TUid& aCategory,

                                                       const TUint aKey,

                                                       const TInt aValue )

    {

    //TODO: Refactor

    if ( aCategory == KUidSystemCategory && aKey == KUidNetworkStatusValue )

        {

        switch ( aValue )

            {

            case ESANetworkAvailable:

                {

                SetNetworkCoverageL( ETrue, iIsWlanCoverage );

                break;

                }

            case ESANetworkUnAvailable:

                {

                SetNetworkCoverageL( EFalse, iIsWlanCoverage );

                break;

                }

            default:

                {

                break;

                }

            }

        }

    else if ( aCategory == KPSUidCtsyCallInformation && aKey == KCTsyCallState )

        {

        if ( (!iIsCallActive ) && ( aValue > EPSCTsyCallStateNone ))

            {

            iIsCallActive = ETrue;

            iObserver.CallActivatedCallbackL();

            }

        else if ( ( iIsCallActive ) && ( aValue <= EPSCTsyCallStateNone ))

            {

            iIsCallActive = EFalse;

            iObserver.CallDeactivatedCallbackL();

            }

        else

            {

            // No change

            }

        }

#ifdef COMPILE_IN_IVALO

    else if ( aCategory == KPSUidVoiceUiAccMonitor && aKey == KVoiceUiOpenKey )

        {

        switch ( aValue )

            {

            case KVoiceUiIsClose:

                {

                if ( iIsVoiceUiActive )

                    {

                    iIsVoiceUiActive = EFalse;

                    LOG( "Voice UI not active." );

                    if ( iIsAudioResourcesAvailable )

                        {

                        LOG( "Audio resources available. Change informed." );

                        iObserver.AudioResourcesAvailableL();

                        }

                    }

                break;

                }

            case KVoiceUiIsOpen:

                {

                if ( !iIsVoiceUiActive )

                    {

                    iIsVoiceUiActive = ETrue;

                    LOG( "Voice UI active." );

                    }

                break;

                }

            default:

                {

                break;

                }

            }

        }

#endif //COMPILE_IN_IVALO

    else // NOP

        {

        }

    }

#ifndef __WINS__

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

// Handling of the byte array property changes is done here.

// Observer components are getting notifications in correspondence with what

// has changed

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

//

void CRadioSystemEventDetector::HandlePropertyChangeL( const TUid& aCategory,

                                                       const TUint aKey,

                                                       const TDesC8& aValue )

    {

#if 0

    LOG_METHOD_AUTO;

    LOG_FORMAT( "Category: %d, Key: %d", aCategory, aKey );

    if ( aCategory == KPSUidMMFAudioServer )

        {

        if ( aKey == KAudioPolicyAudioClients )

            {

            TBool atLeastOneAutoResumeAudioPlaying( EFalse );

            TBool atLeastOneNoAutoResumeAudioPlaying( EFalse );

            TBool radioPlaying( EFalse );

            TAudioClientList audioClients;

            audioClients.Copy( aValue );

            // Check all playing audios!

            for ( TInt i = 0; i < audioClients().iNumOfProcesses ; i++ )

                {

                TInt cat = audioClients().iClientCategoryList[i];

                LOG_FORMAT( "Check audio cat %x", cat );

                if ( cat == ECatFmRadio )

                    {

                    radioPlaying = ETrue;

                    }

                else if ( iNoAutoResumeAudioCategories.Find( cat ) != KErrNotFound )

                    {

                    atLeastOneNoAutoResumeAudioPlaying = ETrue;

                    }

                else

                    {

                    atLeastOneAutoResumeAudioPlaying = ETrue;

                    }

                }

            if ( !radioPlaying )

                {

                // Decide audio resource availability from audio category info.

                if ( atLeastOneNoAutoResumeAudioPlaying )

                    {

                    LOG( "Audio resources not available. Change informed." );

                    iIsAudioResourcesAvailable = EFalse;

                    iObserver.AudioAutoResumeForbiddenL();

                    }

                else if ( !atLeastOneAutoResumeAudioPlaying )

                    {

                    if ( !iIsVoiceUiActive )

                        {

                        LOG( "Audio resources available. Change informed." );

                        iIsAudioResourcesAvailable = ETrue;

                        iObserver.AudioResourcesAvailableL();

                        }

                    else

                        {

                        LOG( "Audio resources available. Change not informed." );

                        iIsAudioResourcesAvailable = ETrue;

                        }

                    }

                else

                    {

                    LOG( "Audio resources not available. Change not informed." );

                    iIsAudioResourcesAvailable = EFalse;

                    }

                }

            else // audio resources are considered to be available when radio is playing

                {

                iIsAudioResourcesAvailable = ETrue;

                }

            }

        }

#endif

    }

#else //__WINS__

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

// Dummy version for WINS in order to avoid compiler warnings.

// The real implementation of function is above.

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

//

void CRadioSystemEventDetector::HandlePropertyChangeL( const TUid& /*aCategory*/,

                                                       const TUint /*aKey*/,

                                                        const TDesC8& /*aValue*/)

    {

    }

#endif

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

// Handling of the text property changes is done here.

// Observer components are getting notifications in correspondence with what

// has changed

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

//

void CRadioSystemEventDetector::HandlePropertyChangeL( const TUid& /*aCategory*/,

                                                       const TUint /*aKey*/,

                                                       const TDesC& /*aValue*/)

    {

    }

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

// This is a callback function which is called when a P&S components returns

// an error

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

//

void CRadioSystemEventDetector::HandlePropertyChangeErrorL( const TUid& aCategory,

                                                            const TUint aKey,

                                                            TInt aError )

    {

#ifdef COMPILE_IN_IVALO

    if ( aCategory == KPSUidVoiceUiAccMonitor && aKey == KVoiceUiOpenKey && aError == KErrNotFound )

        {

        HandlePropertyChangeL( KPSUidVoiceUiAccMonitor, KVoiceUiOpenKey, KVoiceUiIsClose );

        }

    else

        {

        iObserver.ErrorCallbackL( aError );

        }

#else

    (void)aCategory;

    (void)aKey;

    (void)aError;

#endif //COMPILE_IN_IVALO

    }

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

//

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

//

TBool CRadioSystemEventDetector::IsMobileNetworkCoverage() const

    {

    return iIsMobileNetworkCoverage;

    }

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

//

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

//

TBool CRadioSystemEventDetector::IsNetworkCoverage() const

    {

    return iIsWlanCoverage || iIsMobileNetworkCoverage;

    }

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

//

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

//

TBool CRadioSystemEventDetector::IsCallActive() const

    {

    return iIsCallActive;

    }

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

//

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

//

TBool CRadioSystemEventDetector::IsAudioResourcesAvailable() const

    {

    return iIsAudioResourcesAvailable;

    }

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

//

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

//

TBool CRadioSystemEventDetector::IsVoiceUiActive() const

    {

    return iIsVoiceUiActive;

    }

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

//

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

//

void CRadioSystemEventDetector::SetNetworkCoverageL( const TBool aIsMobileNetworkCoverage,

                                                     const TBool aIsWlanCoverage )

    {

    LOG_FORMAT( "CRadioSystemEventDetector::SetNetworkCoverageL ( mobile = %d wlan = %d )", aIsMobileNetworkCoverage, aIsWlanCoverage );

    TBool wasCoverage = IsNetworkCoverage();

    iIsMobileNetworkCoverage = aIsMobileNetworkCoverage;

    iIsWlanCoverage = aIsWlanCoverage;

    TBool isCoverage = IsNetworkCoverage();

    if ( isCoverage != wasCoverage )

        {

        if ( isCoverage )

            {

            iObserver.NetworkUpCallbackL();

            }

        else

            {

            iObserver.NetworkDownCallbackL();

            }

        }

    }