/*

* Copyright (c) 2007 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:  This is the implementation of the runtime requirements

*                information data class.

*

*/

// System Include Files

#include <aknmessagequerydialog.h>      // CAknMessageQueryDialog

#include <centralrepository.h>          // CRepository

#include <DiagFrameworkDebug.h>         // Debugging Macros

#include <DiagResultsDatabase.h>        // RDiagResultsDatabase

#include <DiagResultsDatabaseTestRecordInfo.h>

#include <f32file.h>                    // RFs

#include <StringLoader.h>               // StringLoader

#include <devdiagapp.rsg>            // Resource defintions

// User Include Files

#include "devdiag.pan"            // Panic

#include "devdiagruntimereqsinfo.h"          // CDevDiagRuntimeReqsInfo

#include "devdiagprivatecrkeys.h"   // CR Key ID Definitions

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

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

// Static two-phase constructor.

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

//

CDevDiagRuntimeReqsInfo* CDevDiagRuntimeReqsInfo::NewL( RFs& aFs,

                                              RDiagResultsDatabase& aDb,

                                              TCallBack aCallback )

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::NewL()" )

    CDevDiagRuntimeReqsInfo* self = new ( ELeave ) CDevDiagRuntimeReqsInfo( aFs,

                                                                  aDb,

                                                                  aCallback );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor.

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

//

CDevDiagRuntimeReqsInfo::~CDevDiagRuntimeReqsInfo()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::~CDevDiagRuntimeReqsInfo()" )

    Cancel();

    delete iTelephony;

    }

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

// Begins checking if the diagnostics runtime requirements are satisfied.

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

//

void CDevDiagRuntimeReqsInfo::CheckRuntimeRequirementsL( TBool aResumingTests )

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::CheckRuntimeRequirementsL()" )

    // If the requirements are already being checked, start over.

    if ( iState != EStateInitial )

        {

        Cancel();

        }

    iResumingTests = aResumingTests;

    // (Check 1) Check the free disk space.

    CheckDiskSpaceL();

    // (Check 2) Check the battery level.

    CheckBatteryLevelL();

    }

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

// Returns the runtime requirements result, which indicates if the runtime

// requirements were satisfied.

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

//

CDevDiagRuntimeReqsInfo::TResult CDevDiagRuntimeReqsInfo::Result() const

    {

    return iResult;

    }

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

// Displays the dialog associated with the result of the runtime checks.

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

//

TInt CDevDiagRuntimeReqsInfo::DisplayDialogL() const

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::DisplayDialogL()" )

    // Act on the result.

    switch ( iResult )

        {      

        case EResultErrLowDisk:

            return DisplayMessageQueryDialogL( R_DEVDIAG_LOW_DISK_DIALOG );

        case EResultErrLowBattery:

            return DisplayMessageQueryDialogL( R_DEVDIAG_LOW_BATTERY_DIALOG );      

        case EResultOk:

        default:

            return EAknSoftkeyOk;

        }

    }

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

// C++ constructor.

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

//

CDevDiagRuntimeReqsInfo::CDevDiagRuntimeReqsInfo( RFs& aFs,

                                        RDiagResultsDatabase& aDb,

                                        TCallBack aCallback )

:   CActive( EPriorityStandard ),

    iFs( aFs ),

    iDb( aDb ),

    iCallback( aCallback ), 

    iBatteryInfo(),

    iBatteryInfoPackage( iBatteryInfo )

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::CDevDiagRuntimeReqsInfo()" )

    CActiveScheduler::Add( this );

    }

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

// Two-phased constructor.

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

//

void CDevDiagRuntimeReqsInfo::ConstructL()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::ConstructL()" )

    ReadCentralRepositoryValuesL();

    }

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

// Reads the runtime requirements values from the central repository and

// stores them to the object.

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

//

void CDevDiagRuntimeReqsInfo::ReadCentralRepositoryValuesL()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::ReadCentralRepositoryValuesL()" )

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

    // The required battery level.

    User::LeaveIfError( repository->Get( KDevDiagAppMinBatteryLevel,

                                         iMinBatteryLevel ) );

    // The required free disk space.  A local TInt is used because the data

    // member is a TInt64, but the CR only has a getter function for TInt.

    TInt minDiskSpaceRequired;

    User::LeaveIfError( repository->Get( KDevDiagAppMinDiskSpace,

                                         minDiskSpaceRequired ) );

    iMinDiskSpaceFree = minDiskSpaceRequired;

    LOGSTRING3( "CDevDiagRuntimeReqsInfo::ReadCentralRepositoryValuesL() -"

                L" iMinBatteryLevel %d, iMinDiskSpaceFree %d",

                iMinBatteryLevel,

                minDiskSpaceRequired )

    CleanupStack::PopAndDestroy( repository );

    }

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

// Checks if there is enough free estimated disk space to log test results.

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

//

void CDevDiagRuntimeReqsInfo::CheckDiskSpaceL()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::CheckDiskSpaceL()" )

    // If the runtime requirements have already failed, this function will

    // set us active and complete the request.

    if ( CheckCompletion() )

        {

        return;

        }

    // Set default values for this check.

    iDiskSpaceFree = 0;

    // Get the free disk space.

    TVolumeInfo volumeData;

    User::LeaveIfError( iFs.Volume( volumeData ) );

    iDiskSpaceFree = volumeData.iFree;

    // Check the free disk level.

    if ( iDiskSpaceFree < iMinDiskSpaceFree )

        {

        iResult = EResultErrLowDisk;

        }

    return;

    }

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

// Checks if the phone's battery level is adequate to run tests.

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

//

void CDevDiagRuntimeReqsInfo::CheckBatteryLevelL()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::CheckBatteryLevelL()" )

    // If the runtime requirements have already failed, this function will

    // set us active and complete the request.

    if ( CheckCompletion() )

        {

        return;

        }

    // Check the battery level.

    switch ( iState )

        {

        case EStateInitial:

            {

            iState = EStateCheckingBattery;

            // Issue the asynchronous request.

            if ( !iTelephony )

                {

                iTelephony = CTelephony::NewL();

                }

            iTelephony->GetBatteryInfo( iStatus, iBatteryInfoPackage );

            SetActive();

            break;

            }

        case EStateCheckingBattery:

            {

            iState = EStateInitial;

            // Check the battery level.

            if ( iStatus != KErrNone )

                {

                iResult = EResultErrLowBattery;

                break;

                }

            if ( iBatteryInfo.iChargeLevel < TUint( iMinBatteryLevel ) )

                {

                iResult = EResultErrLowBattery;

                }

            iBatteryLevel = iBatteryInfo.iChargeLevel;

            break;

            }

        default:

            {

            __ASSERT_DEBUG( EFalse, Panic( EDevDiagApplicationRuntimeReqs) );

            iResult = EResultErrLowBattery;

            CheckCompletion();

            break;

            }

        }

    }

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

// This is a utility function to handle the common checking for completion

// of the runtime requirements checks.

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

//

TBool CDevDiagRuntimeReqsInfo::CheckCompletion()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::CheckCompletion()" )

    // If there is already a failed check, complete the asynchronous request

    // if it hasn't already been done.

    if ( iResult != EResultOk && iState != EStateComplete )

        {

        LOGSTRING( "CDevDiagRuntimeReqsInfo::CheckCompletion() - completed" )

        iState = EStateComplete;

        TRequestStatus* status = &iStatus;

        User::RequestComplete( status, KErrNone );

        SetActive();

        return ETrue;

        }

    if ( iState == EStateComplete )

        {

        return ETrue;

        }

    return EFalse;

    }

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

// Utility function to display a message dialog associated with the specified

// resource.

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

//

TInt CDevDiagRuntimeReqsInfo::DisplayMessageQueryDialogL( TInt aResource )

    {

    LOGSTRING2( "CDevDiagRuntimeReqsInfo::DisplayMessageQueryDialogL( %d )",

                aResource )

    CAknMessageQueryDialog* dlg = new ( ELeave ) CAknMessageQueryDialog;

    return dlg->ExecuteLD( aResource );

    }

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

// From CActive.

// This function is called when an active request completes.

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

//

void CDevDiagRuntimeReqsInfo::RunL()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::RunL()" )

    switch ( iState )

        {

        case EStateCheckingBattery:

            // (Check 1) Check the battery level.

            CheckBatteryLevelL();

        case EStateComplete:

        default:

            {          

            delete iTelephony;

            iTelephony = NULL;

            // Inform the observer that checking is complete.

            iCallback.CallBack();

            }

        }

    }

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

// From CActive.

// This function is called to cancel any outstanding asynchronous requests.

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

//

void CDevDiagRuntimeReqsInfo::DoCancel()

    {

    LOGSTRING( "CDevDiagRuntimeReqsInfo::DoCancel()" )

     // Cancel the asynchronous requests.

    switch ( iState )

        {

        case EStateCheckingBattery:

            __ASSERT_DEBUG( iTelephony, Panic( EDevDiagApplicationRuntimeReqs ) );

            iTelephony->CancelAsync( CTelephony::EGetBatteryInfoCancel );

            break;

        default:

            break;

        }

    }

// End of File