/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  CSysInfoService class implementation

*

*/

#include <w32std.h>

#include <hal.h>

#include <featmgr.h>

#include <bldvariant.hrh>

#include <PtiEngine.h>

#include <driveinfo.h>

#include <centralrepository.h>

#include <hwrmvibrasdkcrkeys.h>

#include <settingsinternalcrkeys.h>

#include <hwrmlightdomaincrkeys.h>

#include <AknFepInternalCRKeys.h>

#include <ir_sock.h>

#include <btserversdkcrkeys.h>

#include <sysutildomaincrkeys.h>

#include <e32property.h>

#include <hwrmdomainpskeys.h>

#include <NetworkHandlingDomainPSKeys.h>

#include <hwrmpowerstatesdkpskeys.h>

#include <wlaninternalpskeys.h>

#include <UikonInternalPSKeys.h>

#include <btengsettings.h>

#include <usbman.h>

#include <AknsWallpaperUtils.h>

#include <AknUtils.h>

#include "sysinfoservice.h"

#include "sysinfo.h"

#include "sysinfoutils.h"

#include "entitykeys.h"

#include "activerequests.h"

#include "deviceinfo.h"

#include "sysrange.h"

#include <string.h>

using namespace SysInfo;

// CONSTANT DECLARATIONS

const TInt KGranularity(2);

const TInt KPhoneWlanMacAddressLength = 50;

const TChar KPhoneWlanSeparator (':');

const TUint KPrimaryCameraDisplayID = 2;

_LIT(KWLanMACDataFormat, "%02x");

const TInt KPhoneLanguageLength = 20;

const TInt KMimeTypeLength = 20;

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

// CSysInfoService::CSysInfoService()

// C++ default constructor.

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

//

EXPORT_C CSysInfoService::CSysInfoService():iFeatureManagerInitialized(EFalse)

    {

    }

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

// CSysInfoService::~CSysInfoService()

// Destructor.

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

//

CSysInfoService::~CSysInfoService()

    {

    //If initialized uninitialize.

    if(iFeatureManagerInitialized)

        FeatureManager::UnInitializeLib();

    delete iDeviceInfo;

    // Cancel any ongoing asynchronous requests and 

    // Deallocate resources.

    ActiveStore::ReleaseResources();

    }

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

// CSysInfoService::NewL()

// Two-phased constructor.

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

//

EXPORT_C CSysInfoService* CSysInfoService::NewL ()

    {

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

    return self;

    }

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

// CSysInfoService::SetInfoL()

// Modifies the system attribute value specified in aRequest.

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

//

EXPORT_C void CSysInfoService::SetInfoL( const TDesC& aEntity, 

                            const TDesC& aKey, const CSysData* aInput )

    {

    if(!aInput)

        User::Leave(KErrArgument);

    if( !aEntity.CompareF(KGeneral) )

        SetGeneralInfoL(aKey,aInput);

    else if( !aEntity.CompareF(KDisplay) )

        SetDisplayInfoL(aKey,aInput);

// Bluetooth and IR which require WriteDeviceData are not usergratable permissions, 

// hence this funtionality is not exposed currently.    

#ifdef _REQUIRE_WRITEDEVICEDATA_

    else if( !aEntity.CompareF(KConnectivity) )

      SetConnectivityInfoL(aKey,aInput);

#endif

    else

        User::Leave(KErrNotFound);

    }

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

// CSysInfoService::Cancel()

// Cancels any outstanding requests and releases resources owned by them.

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

//

EXPORT_C void CSysInfoService::Cancel(TInt32 aTransID)

    {

    ActiveStore::RemoveRequest(aTransID);

    }

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

// CSysInfoService::SetConnectivityInfoL()

// Modifies the Connectivity Entity key values.

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

//

void CSysInfoService::SetConnectivityInfoL(const TDesC& aKey, 

                                            const CSysData* aInput)

    {

    //In Connectivity bluetooth, Infrared takes input argument of type EStatus.

    if( CSysData::EStatus != aInput->DataType() )

        User::Leave(KErrArgument);

    TInt inputStatus = ((CStatus*)aInput)->Status();

    if( !aKey.CompareF(KBlueTooth) )

        {

        CBTEngSettings* BtSettings = CBTEngSettings::NewLC();

        if( inputStatus == EOn)

            User::LeaveIfError(BtSettings->SetPowerState( EBTPowerOn ));

        else if(inputStatus == EOff)

            User::LeaveIfError(BtSettings->SetPowerState( EBTPowerOff ));

        else

            User::Leave(KErrArgument);

        CleanupStack::PopAndDestroy(BtSettings);

        }

    else if( !aKey.CompareF(KInfraRed) )

        {

        if(inputStatus == EOn)

            User::LeaveIfError(RProperty::Set(KIrdaPropertyCategory,

                                KIrdaStatus,TIrdaStatusCodes::EIrLoaded));

        else if(inputStatus == EOff)

            User::LeaveIfError(RProperty::Set(KIrdaPropertyCategory,

                                KIrdaStatus,TIrdaStatusCodes::EIrUnloaded));

        else

            User::Leave(KErrArgument);

        }

    else

        User::Leave(KErrNotFound);

    }

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

// CSysInfoService::SetGeneralInfoL()

// Modifies the General Entity key values.

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

//

void CSysInfoService::SetGeneralInfoL(const TDesC& aKey, const CSysData* aInput)

    {

    // for all General Entity keys input must be of type EStatus.

    if( aInput->DataType() != CSysData::EStatus )

        User::Leave(KErrArgument);

    TInt inStatus = ((CStatus*)aInput)->Status();

    if( !aKey.CompareF(KInputLanguage) )

        {

        CPtiEngine* PtiEngine;

        PtiEngine = CPtiEngine::NewL();

        CleanupStack::PushL(PtiEngine);

        User::LeaveIfError(PtiEngine->ActivateLanguageL(inStatus));

        CleanupStack::PopAndDestroy(PtiEngine);

        RepositoryUtil::SetRepositoryKeyL(KCRUidAknFep,

                                        KAknFepInputTxtLang,inStatus);

        }

    else if( !aKey.CompareF(KPridictiveText) )

        {

        if( EEnabled == inStatus || EDisabled == inStatus )

            RepositoryUtil::SetRepositoryKeyL(KCRUidAknFep,

                                            KAknFepPredTxtFlag,inStatus);

        else

            User::Leave(KErrArgument);

        }

    else if( !aKey.CompareF(KVibraActive) )

        {

        if( EEnabled == inStatus || EDisabled == inStatus )

            RepositoryUtil::SetRepositoryKeyL(KCRUidVibraCtrl,

                                    KVibraCtrlProfileVibraEnabled,inStatus);

        else

            User::Leave(KErrArgument);

        }

    else

        User::Leave(KErrNotFound);

    }

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

// CSysInfoService::SetDisplayInfoL()

// Modifies the Display Entity key values.

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

//

void CSysInfoService::SetDisplayInfoL(const TDesC& aKey, const CSysData* aInput)

    {

    // Input validation.

    // For wallpaper input type must be EStingData and 

    // for others keys input type must be EStatus.

    if( !aKey.CompareF(KWallpaper) )

        {

        if(aInput->DataType() != CSysData::EStringData)

            User::Leave(KErrArgument);

        }

    else if( aInput->DataType() != CSysData::EStatus )

        User::Leave(KErrArgument);

    TInt 	inputStatus = 0;

    TPtrC 	inputString;

    //Read Input data into InputStatus, InputString.

    if( !aKey.CompareF(KWallpaper) )

        {

        ((CStringData*)aInput)->StringData(inputString);

        }

    else

        {

        inputStatus = ((CStatus*)aInput)->Status();

        inputStatus = inputStatus;

        }

    //go thru Display entity keys.

    // Display Entity keys requiring WriteDeviceData are commented currently as these are not

    // usergrantable permissions.

#ifdef _REQUIRE_WRITEDEVICEDATA_

    if( !aKey.CompareF(KBrightness) )

        {

        if ( KBrightnessMax < inputStatus || KBrightnessMin > inputStatus )

            User::Leave(KErrArgument);

        RepositoryUtil::SetRepositoryKeyL(KCRUidLightSettings,

                                            KLightIntensity,inputStatus);

        }

    else if( !aKey.CompareF(KScreenSaverTimeOut) )

        {

        if ( KScreenSaverTimeoutMax < inputStatus || 

                KScreenSaverTimeoutMin > inputStatus )

            User::Leave(KErrArgument);

        RepositoryUtil::SetRepositoryKeyL(KCRUidPersonalizationSettings,

                                    KSettingsScreenSaverPeriod,inputStatus);

        }

    else if( !aKey.CompareF(KAutoLockTime) )

        {

        if ( KAutoLockTimeoutMax < inputStatus || 

                KAutoLockTimeoutMin > inputStatus )

            User::Leave(KErrArgument);

        RepositoryUtil::SetRepositoryKeyL(KCRUidSecuritySettings,

                                    KSettingsAutoLockTime,inputStatus);

        }

    else if( !aKey.CompareF(KKeyGaurdTime) )

        {

        if ( KKeyGaurdTimeoutMax < inputStatus || 

                KKeyGaurdTimeoutMin > inputStatus )

            User::Leave(KErrArgument);

        RepositoryUtil::SetRepositoryKeyL(KCRUidSecuritySettings,

                                    KSettingsAutomaticKeyguardTime,inputStatus);

        }

    else if( !aKey.CompareF(KLightTimeOut) )

        {

        if ( KLightTimeoutMax < inputStatus || 

                    KLightTimeoutMin > inputStatus )

            User::Leave(KErrArgument);

        RepositoryUtil::SetRepositoryKeyL(KCRUidLightSettings,

                                    KDisplayLightsTimeout,inputStatus);

        }

#endif

    if( !aKey.CompareF(KWallpaper) )

        {

        User::LeaveIfError(

                AknsWallpaperUtils::SetIdleWallpaper(inputString,NULL,0));

        }

    else

        User::Leave(KErrNotFound);

    }

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

// CSysInfoService::GetInfoL() SYNC

// Retrives the specified attribute value.

// aOutput contains attribute value.

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

//

EXPORT_C void CSysInfoService::GetInfoL( const TDesC& aEntity, const TDesC& aKey, 

                                    CSysData*& aOutput,const CSysData* aInput )

    {

    // retrieve data based Entity

    if( !aEntity.CompareF(KNetwork) )

        GetNetworkInfoL(aKey,aOutput);

    else if( !aEntity.CompareF(KBattery) )

        GetBatteryInfoL(aKey,aOutput);

    else if( !aEntity.CompareF(KConnectivity) )

        GetConnectivittyInfoL(aKey,aOutput);

    else if( !aEntity.CompareF(KDisplay) )

        GetDisplayInfoL(aKey,aOutput);

    else if( !aEntity.CompareF(KGeneral) )

        GetGeneralInfoL(aKey,aOutput);

    else if( !aEntity.CompareF(KMemory) )

        GetMemoryInfoL(aKey,aInput,aOutput);

    else if( !aEntity.CompareF(KDevice) )

        GetDeviceInfoL(aKey,aOutput);

    else if( !aEntity.CompareF(KFeatures) )

        GetFeatureInfoL(aKey,aOutput);

    else if ( !aEntity.CompareF( KCameraInfo ) )

        GetCameraDataL( aKey,aOutput );

    else

        User::Leave(KErrNotFound);

    }

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

// CSysInfoService::GetInfoL() ASYNC

// Creates an appropriate active object to serve the purpose of the 

// specified system attribute. Adds created active object to 

// Active Store.

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

//

EXPORT_C void CSysInfoService::GetInfoL( const TDesC& aEntity, const TDesC& aKey, 

                                    TInt32 aTransID, ISystemObserver* aCallback, 

                                    const CSysData* aInput )

    {

    if(!aCallback)

        User::Leave(KErrGeneral);

    TSysRequest systemRequest(aEntity,aKey,aInput,aTransID,aCallback,

                                            TSysRequest::EASyncONESHOT);

    CActiveRequest* activeRequestObj;

    CActiveRequest::CreateActiveRequestL(systemRequest,activeRequestObj);

    //place handle on cleanupstack.

    CleanupStack::PushL(activeRequestObj);

    //Add request handle to active store.

    ActiveStore::AddRequestL(activeRequestObj);

    CleanupStack::Pop(activeRequestObj);

    //Issue request.

    TInt err = activeRequestObj->Request();

    if( KErrNone != err)

        {

        ActiveStore::RemoveRequest(aTransID);

        User::Leave(err);

        }

    }

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

// CSysInfoService::GetNotificationL() ASYNC

// Creates an appropriate active object to serve the purpose of the 

// specified system attribute. Adds created active object to 

// Active Store.

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

//

EXPORT_C void CSysInfoService::GetNotificationL( const TDesC& aEntity, 

                                    const TDesC& aKey, TInt32 aTransID, 

                                    ISystemObserver* aCallback, 

                                    const CSysData* aInput )

    {

    if(!aCallback)

        User::Leave(KErrGeneral);

    TSysRequest systemRequest(aEntity,aKey,aInput,aTransID,aCallback,

                                        TSysRequest::ENotification);

    CActiveRequest* activeRequestObj;

    CActiveRequest::CreateActiveRequestL(systemRequest,activeRequestObj);

    //place handle on cleanupstack.

    CleanupStack::PushL(activeRequestObj);

    //Add request handle to active store.

    ActiveStore::AddRequestL(activeRequestObj);

    //Issue request.

    TInt err = activeRequestObj->Request();

    if( KErrNone != err)

        {

        //remove request handle on cleanup stack.

        CleanupStack::Pop(activeRequestObj);

        ActiveStore::RemoveRequest(aTransID);

        User::Leave(err);

        }

    //remove request handle on cleanup stack.

    CleanupStack::Pop(activeRequestObj);

    }

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

// CSysInfoService::GetNetworkInfoL()

// Retrives network related synchronous keys information.

// returns CSysData.

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

//

void CSysInfoService::GetNetworkInfoL(TPtrC aKey,CSysData*& aSysData)

    {

    TInt status = 0;

    if ( !aKey.CompareF(KRegistrationStatus) )

        {

        User::LeaveIfError(RProperty::Get(KPSUidNetworkInfo,

                                    KNWRegistrationStatus,status));

        }

        {

        User::LeaveIfError(RProperty::Get(KPSUidNetworkInfo,

                                    KNWTelephonyNetworkMode,status));

        }

    else

        {

        User::Leave(KErrNotFound);

        }

    aSysData = CStatus::NewL((status-1));

    }

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

// CSysInfoService::GetBatteryInfoL()

// Retrives battery related synchronous keys information.

// On return aSysData consists of key value.

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

//

void CSysInfoService::GetBatteryInfoL(TPtrC aKey,CSysData*& aSysData)

    {

    TInt status = 0;

    if( !aKey.CompareF(KChargingStatus) )

        {

        TInt chargeStatus = 0;

        User::LeaveIfError(RProperty::Get(KPSUidHWRMPowerState,

                                    KHWRMChargingStatus,chargeStatus));

        // ChargeStatus is manupulated to give only these states Charging,

        // NotCharging and Unknown

        if ( EChargingStatusCharging == chargeStatus || 

                EChargingStatusAlmostComplete == chargeStatus || 

                EChargingStatusChargingContinued == chargeStatus )

            status = ECharging;

        else if( EChargingStatusNotConnected == chargeStatus || 

                    EChargingStatusNotCharging == chargeStatus ||

                    EChargingStatusChargingComplete == chargeStatus )

            status = ENotCharging;

        else

            status = EUnknown;

        }

    else

        User::Leave(KErrNotFound);

    aSysData = CStatus::NewL(status);	

    }

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

// CSysInfoService::GetMemoryInfoL()

// Retrives memory related synchronous keys information.

// On return aSysData consists of SA value.

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

//

void CSysInfoService::GetMemoryInfoL(const TDesC& aKey, const CSysData* aInput,

										CSysData*& aOutput)

    {

    RFs Fs;

    CleanupClosePushL(Fs);

    User::LeaveIfError(Fs.Connect());

    if ( !aKey.CompareF(KListDrives) )

        {

        TDriveList drives;

        User::LeaveIfError(Fs.DriveList(drives));

        aOutput = CDriveList::NewL(drives);

        }

    else if( !aKey.CompareF(KDriveInfo) )

        {

        CDriveInfo* inputDrvInfo=NULL;

        if( aInput && CSysData::EDriveInfo == aInput->DataType())

            inputDrvInfo = (CDriveInfo*) aInput;

        else

            User::Leave(KErrArgument);

        TInt drvNumber = inputDrvInfo->DriveNumber();

        if ( !Fs.IsValidDrive(drvNumber) )

            User::Leave(KErrNotFound);

        TVolumeInfo volumeInfo;

        User::LeaveIfError(Fs.Volume(volumeInfo,drvNumber));

        aOutput = CDriveInfo::NewL(drvNumber,volumeInfo);

        }

    else if( !aKey.CompareF(KMemoryCard) )