/*

 * 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: This class implements the condition based schedule.

 *

 */

//System includes

#include <eikenv.h>

#include <e32property.h>

#include <centralrepository.h>

//User includes

#include "DmEventScheduler.h"

#include "DmEventNotifierCommon.h"

#include "DmEventNotifierInternal.h"

#include "SwApplicationService.h"   //Software service

#include "JavaApplicationService.h" //Java service

#include "MMCService.h"             //MMC service

#include "DmEventNotifierDebug.h"

#include "SCPEventHandler.h" // dll for event handling (viz: uninstallation)

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

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

// CDmEventScheduler::CDmEventScheduler()

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

CDmEventScheduler::CDmEventScheduler()

    {

    }

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

// CDmEventScheduler::~CDmEventScheduler()

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

CDmEventScheduler::~CDmEventScheduler()

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::~CDmEventScheduler >>"));

    iScheduler.Close();

    iServices.DeleteAll();

    iServices.Reset();

    _DMEVNT_DEBUG(_L("CDmEventScheduler::~CDmEventScheduler <<"));

    }

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

// CDmEventScheduler::NewL()

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

CDmEventScheduler* CDmEventScheduler::NewL()

    { 

    _DMEVNT_DEBUG(_L("CDmEventScheduler::NewL >>"));

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    _DMEVNT_DEBUG(_L("CDmEventScheduler::NewL <<"));

    return self;

    }

CDmEventScheduler* CDmEventScheduler::NewLC()

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::NewLC >>"));

    CDmEventScheduler* self = CDmEventScheduler::NewL();

    CleanupStack::PushL(self);

    _DMEVNT_DEBUG(_L("CDmEventScheduler::NewLC <<"));

    return self;

    }

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

// CDmEventScheduler::ConstructL()

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

void CDmEventScheduler::ConstructL()

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::ConstructL >>"));

    __LEAVE_IF_ERROR(iScheduler.Connect());

    TFileName handler(KDmEventNotifierExe);

    User::LeaveIfError(iScheduler.Register(handler, CActive::EPriorityStandard));

    iServices[ESoftwareService] = CSwApplicationService::NewL();

    iServices[EJavaService] = CJavaApplicationService::NewL();

    iServices[EMmcService] = CMmcService::NewL();

    _DMEVNT_DEBUG(_L("CDmEventScheduler::ConstructL <<"));

    }

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

// CDmEventScheduler::CreateConditionScheduleL()

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

void CDmEventScheduler::CreateConditionScheduleL(CDmEventServiceBase* aService)

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::CreateConditionSchedule >>"));

    //Create new schedule

    TInt err(KErrNone);

    TBool schenabled (EFalse);

    TSchedulerItemRef conditionScheduleHandle;

    TTsTime defaultTime;

    TTime time;

    time.HomeTime();

    time = time.operator+(TTimeIntervalYears(10)); //Schedule will automatically expire after 10 years!

    defaultTime.SetLocalTime( time );

    TInt newConditionTaskId = -1;

    if (aService == NULL)

        {

        TRAP(err, DeleteScheduleL());

        _DMEVNT_DEBUG(_L("Deleted existing schedule, err = %d"),err);

        //Performing for Software Installer

        _DMEVNT_DEBUG(_L("Registering for Software Installer..."));

        if (iServices[ESoftwareService]->IsKeyValid())

            {

            CSchConditionArray* aConditions;

            aConditions = CreateConditionLC(iServices[ESoftwareService]);

            err = CreateConditionScheduleWithTaskL(iConditionScheduleHandle,

                    iScheduler,  defaultTime, newConditionTaskId, aConditions, iServices[ESoftwareService] );

            schenabled = (KErrNone == err);

            CleanupStack::PopAndDestroy(); //aConditions

            }

        else

            {

            _DMEVNT_DEBUG(_L("Can't read PS key, hence not registering!"));

            }

        //Performing for Java Installer

        _DMEVNT_DEBUG(_L("Registering for Java Installer..."));

        if (iServices[EJavaService]->IsKeyValid())

            {

            CSchConditionArray* aConditions;

            aConditions = CreateConditionLC(iServices[EJavaService]);

            err = CreateConditionScheduleWithTaskL(iConditionScheduleHandle,

                    iScheduler,  defaultTime, newConditionTaskId, aConditions, iServices[EJavaService] );

            schenabled = (KErrNone == err);

            CleanupStack::PopAndDestroy(); //aConditions

            }

        else

            {

            _DMEVNT_DEBUG(_L("Can't read PS key, hence not registering!"));

            }

        //Performing for Mmc observer    

        _DMEVNT_DEBUG(_L("Registering for Mmc observer..."));

        if (iServices[EMmcService]->IsKeyValid())

            {

            CSchConditionArray* aConditions;

            aConditions = CreateConditionLC(iServices[EMmcService]);

            err = CreateConditionScheduleWithTaskL(iConditionScheduleHandle,

                    iScheduler,  defaultTime, newConditionTaskId, aConditions, iServices[EMmcService] );

            schenabled = (KErrNone == err);

            CleanupStack::PopAndDestroy(); //aConditions

            if (err == KErrNone)

                {

                //Set cenrep value for mmc accordingly

                CMmcService *ptr = (CMmcService *) iServices[EMmcService];

                ptr->UpdateMmcStatusL();

                }

            }

        else

            {

            _DMEVNT_DEBUG(_L("Can't read PS key, hence not registering!"));

            }

        }

    else

        {

        _DMEVNT_DEBUG(_L("Scheduling for only the expired service"));

        CSchConditionArray* aConditions;

        aConditions = CreateConditionLC(aService);

        err = CreateConditionScheduleWithTaskL(iConditionScheduleHandle,

                iScheduler,  defaultTime, newConditionTaskId, aConditions, aService );

        CleanupStack::PopAndDestroy(); //aConditions

        schenabled = (KErrNone == err);

        }

    SetScheduleEnabledL(schenabled);

    _DMEVNT_DEBUG(_L("CDmEventScheduler::CreateConditionSchedule, error = %d <<"), err);

    }

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

// CDmEventScheduler::WaitAndCreateConditionScheduleL()

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

void CDmEventScheduler::WaitAndCreateConditionScheduleL(TName& aTaskName)

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::WaitAndCreateConditionScheduleL >>"));

    SetScheduleEnabledL(EHandlerNotRegistered);

    CDmEventServiceBase* service = FindExpiredService(aTaskName);

 //   CleanupStack::PushL(service); // Not necessary, as service pointer is changed in the code

    if(NULL == service) {

        _DMEVNT_DEBUG(_L("[CDmEventScheduler]-> FindExpiredService() returned NULL..."));

        return;

        }

    service->WaitForRequestCompleteL();

    //Read the status from aService

    THandlerServiceId srvid;

    THandlerOperation opn;

    	service->GetServiceIdAndOperation(srvid,opn);

    TBool mmcservice (EFalse);

    if (service == iServices[EMmcService])

        {

        mmcservice = ETrue;

        }

    if (iServices[EMmcService])

        {

        delete iServices[EMmcService]; iServices[EMmcService] = NULL;

        iServices[EMmcService] = CMmcService::NewL();

        }

    if (mmcservice)

        {

        service = iServices[EMmcService];

        }

    CreateConditionScheduleL(service);

    if ( opn != ENoOpn )

        {

        TInt err = KErrNone;        

        TRAP(err, NotifyRegisteredServersL(srvid, opn));

        _DMEVNT_DEBUG(_L("Notification error = %d"), err);

        }

    else

        {

        _DMEVNT_DEBUG(_L("Operation got cancelled. Skipping notification"));

        }

   // CleanupStack::Pop(service); //don't destroy as object is not owned

    _DMEVNT_DEBUG(_L("CDmEventScheduler::WaitAndCreateConditionScheduleL <<"));

    }

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

// CDmEventScheduler::CreateConditionScheduleWithTaskL()

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

TInt CDmEventScheduler::CreateConditionScheduleWithTaskL(

        TSchedulerItemRef& aSchedulerItem, 

        RScheduler& aScheduler,

        const TTsTime& aDefaultRunTime,

        TInt& aNewTaskId,

        CArrayFixFlat<TTaskSchedulerCondition>* &aConditions,

        CDmEventServiceBase* aService)

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::CreateConditionScheduleWithTaskL >>"));

    TInt ret(KErrNone);

    aSchedulerItem.iName = KAppDmEventNotifierUid.Name();

    ret = aScheduler.CreatePersistentSchedule(aSchedulerItem,

            *aConditions, aDefaultRunTime);

    if (KErrNone == ret)

        {

        TTaskInfo taskInfo;

        taskInfo.iTaskId = 0;

        taskInfo.iName = aService->TaskName();

        taskInfo.iPriority = 2;

        taskInfo.iRepeat = 0;

        HBufC* data = aService->TaskName().AllocLC();

        ret = aScheduler.ScheduleTask(taskInfo, *data, aSchedulerItem.iHandle);

        aNewTaskId = taskInfo.iTaskId;

        CleanupStack::PopAndDestroy(); // data

        }

    else

        {

        //Creating persistent schedule failed, do something...

        _DMEVNT_DEBUG(_L("Creation of persistent scheduled failed, error = %d"), ret);

        }

    _DMEVNT_DEBUG(_L("CDmEventScheduler::CreateConditionScheduleWithTaskL, ret = %d <<"), ret);

    return ret;

    }

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

// CDmEventScheduler::DeleteScheduleL

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

void CDmEventScheduler::DeleteScheduleL()

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::DeleteScheduleL >>"));

    RScheduler                              sc;

    CArrayFixFlat<TSchedulerItemRef>*       aSchRefArray = new CArrayFixFlat <TSchedulerItemRef>(KScheduleReferenceMax);

    TScheduleFilter                         aFilter(EAllSchedules);

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

    CleanupClosePushL( sc );

    CleanupStack::PushL(aSchRefArray);

    User::LeaveIfError( sc.GetScheduleRefsL( *aSchRefArray,aFilter) );

    _DMEVNT_DEBUG(_L("Schedule items: "));

    for ( TInt i=0; i<aSchRefArray->Count(); ++i  )

        {

        TSchedulerItemRef it = (*aSchRefArray)[i];

        if ( it.iName == KAppDmEventNotifierUid.Name()  )

            {

            TScheduleState2 sc_state;

            CSchConditionArray* sc_entries  = new CSchConditionArray (KConditionArraySizeMax); 

            TTsTime sc_time;

            CArrayFixFlat<TTaskInfo>* sc_tasks  = new CArrayFixFlat <TTaskInfo>(KTaskArraySizeMax);

            CleanupStack::PushL( sc_entries );

            CleanupStack::PushL( sc_tasks );

            _DMEVNT_DEBUG (_L("%d. schedule handle: %d name:'%S'"),i,it.iHandle, &(it.iName) );

            TInt err = sc.GetScheduleL ( it.iHandle , sc_state, *sc_entries, sc_time, *sc_tasks);

            if (KErrNone == err) 

                {

                for ( TInt j=0; j<sc_tasks->Count();++j)

                    {

                    TTaskInfo sc_task = (*sc_tasks)[j];

                    _DMEVNT_DEBUG(_L("         schedule task  %d  '%S'"),sc_task.iTaskId,&(sc_task.iName) );

                    err = sc.DeleteTask(sc_task.iTaskId);

                    _DMEVNT_DEBUG(_L("Deleted task state, error = %d"), err);

                    }

                }

            else

                {

                _DMEVNT_DEBUG(_L("Getting schedule error = %d"), err);

                }

            err = sc.DeleteSchedule(it.iHandle );

            _DMEVNT_DEBUG(_L("Deleted schedule %d, error = %d"),i+1, err);

            CleanupStack::PopAndDestroy( sc_tasks );

            CleanupStack::PopAndDestroy( sc_entries );

            }

        }

    CleanupStack::PopAndDestroy( aSchRefArray );

    CleanupStack::PopAndDestroy(&sc);

    _DMEVNT_DEBUG(_L("CDmEventScheduler::DeleteScheduleL <<"));

    }

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

// CDmEventScheduler::CreateConditionLC

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

CSchConditionArray* CDmEventScheduler::CreateConditionLC(CDmEventServiceBase* aService)

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::CreateConditionLC >>"));

    CSchConditionArray* conditions = new (ELeave) CSchConditionArray(KConditionArraySize);

    CleanupStack::PushL(conditions); //To be poped/destroyed by the caller

    TTaskSchedulerCondition Condition;

    TPSKeyCondition pskeycondition = aService->GetPSKeyCondition();

    Condition.iCategory = pskeycondition.iPskey.iConditionCategory;

    Condition.iKey      = pskeycondition.iPskey.iConditionKey;

    Condition.iState    = pskeycondition.iSchState;

    Condition.iType     = pskeycondition.iSchType;

    conditions->AppendL(Condition);

    _DMEVNT_DEBUG(_L("CDmEventScheduler::CreateConditionLC <<"));

    return conditions;

    }

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

// CDmEventScheduler::FindExpiredService

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

CDmEventServiceBase* CDmEventScheduler::FindExpiredService(TName& aTaskName)

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::FindExpiredService >>"));

    CDmEventServiceBase* ret (NULL);

    if (iServices[ESoftwareService]->TaskName().Compare(aTaskName) == KErrNone)

        {

        _DMEVNT_DEBUG(_L("SW Operation detected..."))

        ret = iServices[ESoftwareService];

        }

    else if (iServices[EJavaService]->TaskName().Compare(aTaskName) == KErrNone)

        {

        _DMEVNT_DEBUG(_L("Java Inst Operation detected..."))

        ret = iServices[EJavaService];

        }

    else if (iServices[EMmcService]->TaskName().Compare(aTaskName) == KErrNone)

        {

        _DMEVNT_DEBUG(_L("MMC Operation detected..."))

        ret = iServices[EMmcService];

        }

    else

        {

        //Should not land here...

        _DMEVNT_DEBUG(_L("Unknown trigger"));

        }

    _DMEVNT_DEBUG(_L("CDmEventScheduler::FindExpiredService, ret = %X <<"), ret);

    return ret;

    }

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

// CDmEventScheduler::NotifyRegisteredServicesL

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

void CDmEventScheduler::NotifyRegisteredServersL(THandlerServiceId aServiceId, THandlerOperation aOpn)

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::NotifyRegisteredServersL, serviceid = %d, operation = %d >>"), aServiceId, aOpn);

    //Read whome to notify...

    CRepository* cenrep (NULL);

    cenrep = CRepository::NewLC( KAppDmEventNotifierUid );

    TInt notifyscp (KErrNotFound);

    TInt error = cenrep->Get(KDmEventNotifierEnabled, notifyscp);

    TInt notifyam (KErrNotFound);

    error = cenrep->Get(KSCPNotifyEvent,notifyam);

    CleanupStack::PopAndDestroy(cenrep);

    if (notifyscp)

        {

            TInt err = KErrNone;

            _DMEVNT_DEBUG(_L("CDmEventScheduler::NotifyRegisteredServersL: Invocation of SCPEventHandler"));            

            TRAP( err, {

            		CSCPEventHandler* handler = CSCPEventHandler::NewL();

            		handler->NotifyChangesL(aServiceId, aOpn);

            		delete handler; 

            		handler = NULL;

            	});

	            _DMEVNT_DEBUG(_L("CDmEventScheduler::NotifyRegisteredServersL: SCPEventHandler completed with err: %d"), err);

				}

    if (notifyam)

        {

        //Notify AM server on the happened operation

        }

    _DMEVNT_DEBUG(_L("CDmEventScheduler::NotifyRegisteredServersL notifyscp = %d, notifyam = %d<<"),notifyscp,notifyam);

    }

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

// CDmEventScheduler::IsScneduleEnabledL

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

TBool CDmEventScheduler::IsScheduleEnabledL()

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::IsScheduleEnabledL >>"));

    CRepository* cenrep (NULL);

    TInt error (KErrNone);

    TInt value (KErrNotFound);

    TRAP(error, cenrep = CRepository::NewL( KAppDmEventNotifierUid ));

    _DMEVNT_DEBUG(_L("Cenrep file read status = %d"), error);

    User::LeaveIfError(error);

    CleanupStack::PushL(cenrep);

    error = cenrep->Get(KDmEventNotifierEnabled, value);

    CleanupStack::PopAndDestroy(cenrep);

    _DMEVNT_DEBUG(_L("CDmEventScheduler::IsScheduleEnabledL, value = %d, error = %d <<"),value, error);

    return (value == EHandlerRegistered);

    }

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

// CDmEventScheduler::SetScheduleEnabledL

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

void CDmEventScheduler::SetScheduleEnabledL(TBool aValue)

    {

    _DMEVNT_DEBUG(_L("CDmEventScheduler::SetScheduleEnabledL, aValue = %d >>"), aValue);

    CRepository* cenrep (NULL);

    cenrep = CRepository::NewL( KAppDmEventNotifierUid );

    CleanupStack::PushL(cenrep);

    TInt error = cenrep->Set(KDmEventNotifierEnabled, aValue);

    CleanupStack::PopAndDestroy(cenrep);

    _DMEVNT_DEBUG(_L("CDmEventScheduler::SetScheduleEnabledL, error = %d <<"),error);

    }

//End of file