/*

* Copyright (c) 2010 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 "applicationsplugin.h"

#include "harvesterserverlogger.h"

#include <common.h>

#include <ccpixindexer.h>

#include <csearchdocument.h>

#include <e32base.h>

//#include <menu2internalcrkeys.h> //for KCRUidMenu

#include <centralrepository.h>

#include <opensystemtrace.h> 

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "applicationspluginTraces.h"

#endif

//Hidden applications

//#define KHiddenAppRepositoryUid KCRUidMenu

_LIT( KMimeTypeField, CPIX_MIMETYPE_FIELD );

_LIT( KMimeTypeApplication, APPLICATION_MIMETYPE);

/** Field names */

_LIT(KApplicationFieldCaption, "Name");

_LIT(KApplicationFieldUid, "Uid");

_LIT(KApplicationFieldAbsolutePath, "Path");

// TAppInfo.Name() returns [121345678]. The below constants are used to extract '[' & ']'

const TInt KUidStartIndex = 1;

const TInt KUidEndIndex = 8;

/** The delay between harvesting chunks. */

const TInt KHarvestingDelay = 1000;

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

CApplicationsPlugin* CApplicationsPlugin::NewL()

	{

    OstTraceFunctionEntry0( CAPPLICATIONSPLUGIN_NEWL_ENTRY );

    CPIXLOGSTRING("CApplicationsPlugin::NewL()");

	CApplicationsPlugin* instance = CApplicationsPlugin::NewLC();

    CleanupStack::Pop(instance);

    OstTraceFunctionExit0( CAPPLICATIONSPLUGIN_NEWL_EXIT );

    return instance;

	}

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

CApplicationsPlugin* CApplicationsPlugin::NewLC()

	{

	CApplicationsPlugin* instance = new (ELeave) CApplicationsPlugin();

    CleanupStack::PushL(instance);

    instance->ConstructL();

    return instance;

	}

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

CApplicationsPlugin::CApplicationsPlugin()

	{

	}

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

CApplicationsPlugin::~CApplicationsPlugin()

	{

    if (iAsynchronizer)

        iAsynchronizer->CancelCallback();

    iApplicationServerSession.Close();

    //delete iHiddenApplicationsRepository;

	delete iAsynchronizer;

	delete iNotifier;

	delete iIndexer;

	}

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

void CApplicationsPlugin::ConstructL()

	{

    iAsynchronizer = CDelayedCallback::NewL( CActive::EPriorityIdle );

    iNotifier = CApaAppListNotifier::NewL( this, CActive::EPriorityHigh );

    //iHiddenApplicationsRepository = CRepository::NewL( KHiddenAppRepositoryUid );

    }

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

void CApplicationsPlugin::StartPluginL()

	{

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

	User::LeaveIfError(iSearchSession.DefineVolume( _L(APPLICATIONS_QBASEAPPCLASS), KNullDesC ));

	// Open database

	iIndexer = CCPixIndexer::NewL(iSearchSession);

	iIndexer->OpenDatabaseL( _L(APPLICATIONS_QBASEAPPCLASS) );

	// Start harvester for this plugin

	iObserver->AddHarvestingQueue( this, iIndexer->GetBaseAppClass() );

	}

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

void CApplicationsPlugin::StartHarvestingL(const TDesC& /* aQualifiedBaseAppClass */)

    {

    // Harvest items on each call

    User::LeaveIfError( iApplicationServerSession.GetAllApps() );//if not KErrNone

    iIndexer->ResetL();

    //No need to check IsStatred() since this is the first start. 

#ifdef __PERFORMANCE_DATA

    iStartTime.UniversalTime();

#endif

   	iAsynchronizer->Start( 0, this, KHarvestingDelay );

    }

void CApplicationsPlugin::AddWidgetInfoL( CSearchDocument* aDocument, TUid aUid )

    {

    TBuf<KMaxFileName> temp;//we can reuse this.

    iWidgetRegistry.GetWidgetPath( aUid, temp );

    aDocument->AddFieldL(KApplicationFieldAbsolutePath, temp,  CDocumentField::EStoreYes | CDocumentField::EIndexTokenized );

    CPIXLOGSTRING2("AddApplicationInfo(): PATH = %S ", &temp);

    OstTraceExt1( TRACE_NORMAL, CAPPLICATIONSPLUGIN_ADDWIDGETINFOL, "CApplicationsPlugin::AddWidgetInfoL;PATH=%S", &temp );

    //GetWidgetPropertyValueL returns CWidgetPropertyValue* which in turn has an operator to convert to TDesC

    aDocument->AddFieldL(KApplicationFieldCaption, *(iWidgetRegistry.GetWidgetPropertyValueL( aUid, EBundleDisplayName )), CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText);

    //For applications, no content to go into exceprt field.

    //For more info, check the appclass-hierarchy.txt

    //iWidgetRegistry.GetWidgetBundleName( aUid, temp );

    //aDocument->AddExcerptL( temp );

    aDocument->AddExcerptL( KNullDesC );

    OstTraceExt1( TRACE_NORMAL, DUP1_CAPPLICATIONSPLUGIN_ADDWIDGETINFOL, "CApplicationsPlugin::AddWidgetInfoL;DisplayName=%S", &temp );

    CPIXLOGSTRING2("AddApplicationInfo(): DisplayName = %S ", &temp );

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

//This need not be a member function.

void AddApplicationInfoL( CSearchDocument* aDocument, TApaAppInfo& aAppInfo )

    {

    TBuf<KMaxFileName> docidString = aAppInfo.iUid.Name(); //This returns stuff in the form "[UID]". So remove the brackets.

    docidString = docidString.Mid( KUidStartIndex, KUidEndIndex );

    //We index the exe name (without extension), only if the title is not present.

    if( aAppInfo.iShortCaption.Compare(KNullDesC) )

        {

        aDocument->AddFieldL(KApplicationFieldCaption, aAppInfo.iShortCaption, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText);

        }

    else

        {

        //Find the *last* location of '\' and remove the .exe to get just the filename.

        TInt location = aAppInfo.iFullName.LocateReverse('\\');

        if( location > 0 )

            {

            TInt lengthOfNameWithoutExtention = aAppInfo.iFullName.Length() -location -1; //-1 to increment one past '\'.

            TPtrC appName = aAppInfo.iFullName.Right( lengthOfNameWithoutExtention );

            aDocument->AddFieldL(KApplicationFieldAbsolutePath, appName.Left( appName.Length() -4 /*remove ".exe"*/), CDocumentField::EStoreYes | CDocumentField::EIndexTokenized );

            }

        }

    //For applications, no content to go into exceprt field, for more info, check the appclass-hierarchy.txt

    //aDocument->AddExcerptL( aAppInfo.iCaption );

    aDocument->AddExcerptL( KNullDesC );

    OstTraceExt2( TRACE_NORMAL, _ADDAPPLICATIONINFOL, "::AddApplicationInfoL;UID=%S;PATH=%S", &docidString, &aAppInfo.iFullName );

    OstTraceExt2( TRACE_NORMAL, DUP1__ADDAPPLICATIONINFOL, "::AddApplicationInfoL;Excerpt=%S;Caption=%S", &aAppInfo.iCaption, &aAppInfo.iShortCaption );

    CPIXLOGSTRING3("AddApplicationInfo(): UID = %S, PATH = %S ", &docidString, &aAppInfo.iFullName );

    CPIXLOGSTRING3("AddApplicationInfo():  Excerpt = %S, Caption = %S ", &aAppInfo.iCaption, &aAppInfo.iShortCaption );

    }

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

TBool CApplicationsPlugin::IsAppHiddenL(TUid aUid)

    {

    //Application should not have 'hidden' capability.

    TBool ret( EFalse );

    TApaAppCapabilityBuf cap;

    OstTrace1( TRACE_NORMAL, CAPPLICATIONSPLUGIN_ISAPPHIDDENL, "CApplicationsPlugin::IsAppHiddenL;UID=%d", aUid );

    CPIXLOGSTRING2("CApplicationsPlugin::IsAppHidden(): UID = %d", aUid );

    if ( iApplicationServerSession.GetAppCapability(cap, aUid) == KErrNone )

        {

        OstTraceState0( STATE_DUP1_CAPPLICATIONSPLUGIN_ISAPPHIDDENL, "GetCapability returned KErrNone", "" );

        CPIXLOGSTRING("CApplicationsPlugin::IsAppHidden(): GetCapability returned KErrNone");

        ret = cap().iAppIsHidden;

        }

    //This commented code is left here as the following functionality may need to be 

    //returned if and when this or similar APIs are available for 10.1

    //Application should not be listed hidden in application shell.

//    TBuf<NCentralRepositoryConstants::KMaxUnicodeStringLength> uidResult;

//    if( iHiddenApplicationsRepository->Get( KMenuHideApplication, uidResult ) == KErrNone )

//        {

//        CPIXLOGSTRING2("CApplicationsPlugin::CreateApplicationsIndexItemL(): Hidden UIDs = %S", &uidResult );

//        TBufC16<NCentralRepositoryConstants::KMaxUnicodeStringLength> buf(uidResult);

//        HBufC* uidString = buf.AllocLC();

//        //If not in the list, it means it is hidden; so dont harvest

//        if( uidString->FindF( aUid.Name().Mid( KUidStartIndex, KUidEndIndex ) ) != KErrNotFound ) 

//            {

//            CleanupStack::PopAndDestroy( uidString );

//            CPIXLOGSTRING("CApplicationsPlugin::IsAppHidden(): UID in hidden app repository");

//            return EFalse;

//            }

//        CleanupStack::PopAndDestroy( uidString );

//        }

    OstTrace1( TRACE_NORMAL, DUP1_CAPPLICATIONSPLUGIN_ISAPPHIDDENL, "CApplicationsPlugin::IsAppHiddenL;Return Value=%d", &ret );

    CPIXLOGSTRING2("CApplicationsPlugin::IsAppHidden(): %d", &ret);

    return ret;

    }

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

void CApplicationsPlugin::CreateApplicationsIndexItemL( TApaAppInfo& aAppInfo, TCPixActionType /*aActionType*/ )

    {

    //If application has 'hidden' capability, don't index.

    if( IsAppHiddenL( aAppInfo.iUid ) ) return;

    TBuf<KMaxFileName> docidString;

    docidString.Append( aAppInfo.iUid.Name() ); //This returns descriptor in the form "[UID]". So remove the brackets.

    docidString = docidString.Mid( KUidStartIndex, KUidEndIndex  );

    CSearchDocument* document = CSearchDocument::NewLC( docidString, _L(APPLICATIONS_APPCLASS) );

    //The UID field should not be aggregated for now as we dont want it to be searchable by default.

    //By default, all tokenized fields are aggregated and therefore searchable.

    //If we dont tokenize, then the field will not be searchable at all.

    //As a middle path, we tokenize this field, but explicitly chose NOT to aggregate it.

    //That way, if a client is interested in the UID field, he can choose to query it explicitly.

    document->AddFieldL(KMimeTypeField, KMimeTypeApplication, CDocumentField::EStoreYes | CDocumentField::EIndexUnTokenized );

    document->AddFieldL(KApplicationFieldUid, docidString, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EAggregateNo );

        AddWidgetInfoL( document, aAppInfo.iUid );

    TRAPD( error, iIndexer->AddL( *document ) );

    if( KErrNone == error )

        {

        OstTrace0( TRACE_NORMAL, CAPPLICATIONSPLUGIN_CREATEAPPLICATIONSINDEXITEML, "CApplicationsPlugin::CreateApplicationsIndexItemL : No Error" );

        CPIXLOGSTRING("CApplicationsPlugin::CreateApplicationsIndexItemL(): No Error" );

        }

    else 

        {

        OstTrace1( TRACE_NORMAL, DUP1_CAPPLICATIONSPLUGIN_CREATEAPPLICATIONSINDEXITEML, "CApplicationsPlugin::CreateApplicationsIndexItemL;Error=%d", error );

        CPIXLOGSTRING2("CApplicationsPlugin::CreateApplicationsIndexItemL(): Error = %d", error );

        }

    CleanupStack::PopAndDestroy( document );

    }

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

void CApplicationsPlugin::DelayedCallbackL( TInt /*aCode*/ )

    {

    TApaAppInfo appInfo;

    const TInt error = iApplicationServerSession.GetNextApp( appInfo );

    if(  error == KErrNone )

        {

        CreateApplicationsIndexItemL( appInfo, ECPixAddAction );

        }

    if ( error != RApaLsSession::ENoMoreAppsInList )

        {

        //No need to check IsStatred() since control reaches 

        //here only on asynchornize complete.

        iAsynchronizer->Start( 0, this, KHarvestingDelay );

        }

    else

        {

        Flush( *iIndexer );

#ifdef __PERFORMANCE_DATA

    UpdatePerformaceDataL();

#endif

        iObserver->HarvestingCompleted( this, iIndexer->GetBaseAppClass(), KErrNone );

        }

	}

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

void CApplicationsPlugin::DelayedError( TInt aCode )

    {

    Flush(*iIndexer);

    iObserver->HarvestingCompleted(this, iIndexer->GetBaseAppClass(), aCode);

    }

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

void CApplicationsPlugin::HandleAppListEvent( TInt aEvent )

    {

    OstTraceFunctionEntry0( CAPPLICATIONSPLUGIN_HANDLEAPPLISTEVENT_ENTRY );

    OstTrace1( TRACE_NORMAL, CAPPLICATIONSPLUGIN_HANDLEAPPLISTEVENT, "CApplicationsPlugin::HandleAppListEvent;Event=%d", aEvent );

    CPIXLOGSTRING2("CApplicationsPlugin::HandleAppListEvent: Start with Event = %d", aEvent );

    if( aEvent == EAppListChanged )

        {

        if( iAsynchronizer->CallbackPending() )

            {

            iAsynchronizer->CancelCallback(); //first cancel any ongoing harvesting.

            }

        TRAP_IGNORE( StartHarvestingL( KNullDesC ) ); //simply reharvest

        }

    CPIXLOGSTRING("CApplicationsPlugin::HandleAppListEvent: Exit" );

    OstTraceFunctionExit0( CAPPLICATIONSPLUGIN_HANDLEAPPLISTEVENT_EXIT );

    }

#ifdef __PERFORMANCE_DATA

void CApplicationsPlugin::UpdatePerformaceDataL()

    {

    TTime now;

    iCompleteTime.UniversalTime();

    TTimeIntervalMicroSeconds timeDiff = iCompleteTime.MicroSecondsFrom(iStartTime);

    RFs fileSession;

    RFile perfFile;

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

    /* Open file if it exists, otherwise create it and write content in it */

        if(perfFile.Open(fileSession, _L("c:\\data\\ApplicationsPerf.txt"), EFileWrite))

                   User::LeaveIfError(perfFile.Create (fileSession, _L("c:\\data\\ApplicationsPerf.txt"), EFileWrite));

    HBufC8 *heap = HBufC8::NewL(100);

    TPtr8 ptr = heap->Des();

    now.HomeTime();

    TBuf<50> timeString;             

    _LIT(KOwnTimeFormat,"%:0%H%:1%T%:2%S");

    now.FormatL(timeString,KOwnTimeFormat);

    ptr.AppendNum(now.DateTime().Day());

    ptr.Append(_L("/"));

    ptr.AppendNum(now.DateTime().Month());

    ptr.Append(_L("/"));

    ptr.AppendNum(now.DateTime().Year());

    ptr.Append(_L(":"));

    ptr.Append(timeString);

    ptr.Append( _L(": Ani: Time took for Harvesting Applications is : "));

    ptr.AppendNum(timeDiff.Int64()/1000) ;

    ptr.Append(_L(" MilliSeonds \n"));

    TInt myInt = 0;

    perfFile.Seek(ESeekEnd,myInt);

    perfFile.Write (ptr);

    perfFile.Close ();

    fileSession.Close ();

    delete heap;

    }

#endif

// End of file