/*

* Copyright (c) 2008 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:   Engine part of the Application Manager

*

*/

#ifndef C_APPMNGR2MODEL_H

#define C_APPMNGR2MODEL_H

#include <e32base.h>                    // CActive

#include <bamdesca.h>                   // MDesCArray

#include <apgnotif.h>                   // MApaAppListServObserver

#include <appmngr2debugutils.h>         // FLOG macros

#include <appmngr2runtimeobserver.h>    // MAppMngr2RuntimeObserver

#include "appmngr2scannerobserver.h"    // MAppMngr2ScannerObserver

#include "appmngr2infomakerobserver.h"  // MAppMngr2InfoMakerObserver

#include "appmngr2infoarrayobserver.h"  // MAppMngr2InfoArrayObserver

class CAppMngr2Runtime;

class CAppMngr2InfoBase;

class CAppMngr2AppInfo;

class CAppMngr2PackageInfo;

class CAppMngr2Scanner;

class MAppMngr2ModelObserver;

class CAppMngr2InfoMaker;

class CAppMngr2AppInfoArray;

class CAppMngr2PackageInfoArray;

class CAppMngr2PluginHolder;

class CAknIconArray;

class RFs;

class CAppMngr2Model : public CActive, public MAppMngr2RuntimeObserver,

        public MAppMngr2ScannerObserver, public MApaAppListServObserver,

        public MAppMngr2InfoMakerObserver, public MAppMngr2InfoArrayObserver

    {

public:     // constructor and destructor

    static CAppMngr2Model* NewL( RFs& aFsSession, MAppMngr2ModelObserver& aObserver );

    ~CAppMngr2Model();

public:     // new functions

    TInt AppInfoCount() const;

    CAppMngr2AppInfo& AppInfo( TInt aIndex ) const; 

    TInt PackageInfoCount() const;

    CAppMngr2PackageInfo& PackageInfo( TInt aIndex ) const; 

    void LoadIconsL( CAknIconArray& aIconArray );

    void GetIconIndexesL( TUid aUid, TInt& aIconIndexBase, TInt& aIconIndexMax ) const;

    void HandleCommandL( CAppMngr2InfoBase& aInfo, TInt aCommand );

    void StartFetchingInstallationFilesL();

    void StartFetchingInstalledAppsL();

protected:  // from CActive

    void DoCancel();

    void RunL();

public:     // from MAppMngr2RuntimeObserver

    void RefreshInstalledApps();

    void RefreshInstallationFiles();

public:     // from MAppMngr2ScannerObserver

    void ScanningResultL( RPointerArray<CAppMngr2RecognizedFile>& aResult );

    void ScanningComplete();

    void DirectoryChangedL( const TDesC& aChangedDir );

public:     // from MApaAppListServObserver

    void HandleAppListEvent( TInt aEvent );

public:     // from MAppMngr2InfoMakerObserver

    void NewAppsCreatedL( const CAppMngr2InfoMaker& aMaker,

            RPointerArray<CAppMngr2AppInfo>& aAppInfos );

    void ErrorInCreatingAppsL( const CAppMngr2InfoMaker& aMaker, TInt aError );

    void NewPackagesCreatedL( const CAppMngr2InfoMaker& aMaker,

                RPointerArray<CAppMngr2PackageInfo>& aPackageInfos );

    void ErrorInCreatingPackagesL( const CAppMngr2InfoMaker& aMaker, TInt aError );

public:     // from MAppMngr2InfoArrayObserver

    void ArrayContentChanged( CAppMngr2InfoArray* aArray, TInt aMoreRefreshesExpected );

private:    // new functions

    CAppMngr2Model( RFs& aFsSession, MAppMngr2ModelObserver& aObserver );

    void ConstructL();

    void LoadDefaultIconsL( CAknIconArray& aIconArray );

    void LoadPluginsL();

    CAppMngr2PluginHolder* DoLoadPluginL( TUid aUid );

    void CreateScannerL();

    void FetchDataTypesL();

    void CloseInfoMaker( const CAppMngr2InfoMaker& aMaker );

private:    // data

    RFs& iFs;

    MAppMngr2ModelObserver& iObs;

    RPointerArray<CAppMngr2PluginHolder> iPlugins;

    CAppMngr2Scanner* iScanner;

    CApaAppListNotifier* iApaAppListNotifier;

    RPointerArray<CAppMngr2InfoMaker> iInfoMakers;

    CAppMngr2AppInfoArray* iInstalledApps;

    CAppMngr2PackageInfoArray* iInstallationFiles;

    CAppMngr2InfoBase* iActiveItem; // not owned

    TInt iActiveCommand;

    TBool iClosing;

    FLOG_PERF_DEFINE( FetchInstallationFiles )

    FLOG_PERF_DEFINE( FetchInstalledApps )

    };

#endif // C_APPMNGR2MODEL_H