/*

* 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 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:  This file contains the header file of the WidgetInstaller class.

*

*

*

*/

#ifndef WIDGETINSTALLER_H

#define WIDGETINSTALLER_H

//  INCLUDES

#include <e32base.h>

#ifdef _DEBUG

#include <flogger.h>

#endif

// FORWARD DECLARATIONS

class CWidgetConfigHandler;

class CWidgetRegistrationManager;

// CLASS DECLARATION

/**

* This class is provided for callback to notify icon conversion completion.

* @lib WidgetInstallerUI.lib

* @since 3.1

*/

class MConverterController

    {

public:

    /**

     * notify icon conversion completion

     */

    virtual void NotifyCompletionL( TInt aErr ) = 0;

    };

/**

* This class handles the install.

*

* @lib WidgetBackupRestore.exe

* @since 3.1

*/

NONSHARABLE_CLASS(CWidgetInstaller) : public CBase, MConverterController

    {

public:  // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    IMPORT_C static CWidgetInstaller* NewL();

    /**

     * Destructor.

     */

    virtual ~CWidgetInstaller();

public: // New functions

    /**

     * Handle install request.

     * @since 3.1

     */

    IMPORT_C void InstallL( TDesC16& aRestoreDir );

    /**

     * Called when installation or update is finished,

     * do the final steps of registration, file clean up (remove

     * temporary files, display complete message.

     * Or handle error.

     */

    IMPORT_C void FinishInstallL( TInt aErr );

    /**

     * @since 3.2

     */

    IMPORT_C TInt RunError( TInt aError );

    /**

     * Rebuild registry properties (except UID) from installed widget dir.

     *

     * @param aFs: file session to use

     * @param aWidgetPath: path to main widget dir (icon path)

     * @param aLproj: language project name for localization (from registry)

     * @param aUid: the UID to assign to the widget

     * @since 5.0

     */

    IMPORT_C RPointerArray<CWidgetPropertyValue>* WidgetPropertiesFromInstalledWidgetL(

        RFs &aFs,

        const TDesC& aWidgetPath, /* should end with backslash */

        const TDesC& aLproj,

        TUid aUid );

    /**

     * If widget registry entry is assigned a new UID, then the

     * processed icon file (mbm file), if any, needs to be renamed

     * with the new UID.

     *

     * @param aFs: file session to use

     * @param aEntry: widget entry as stored in the registry

     * @since 5.0

     */

    IMPORT_C TInt RenameIconFile( RFs &aFs,

                                  RPointerArray<CWidgetPropertyValue>* aEntry );

    /**

     * @since 5.0

     */

    IMPORT_C void RegisterWidgetL( const TDesC& aMainHTML,

                                   const TDesC& aBundleDisplayName,

                                   const TDesC& aIconPath,

                                   const TDesC& aDriveName,

                                   const TUid& aUid );

    /**

     * @since 5.0

     */

    IMPORT_C void DeregisterWidgetL( const TUid& aUid );

private:

    /**

     * C++ default constructor.

     * @param aRequestStatus - Status of the request.

     */

    CWidgetInstaller();

    /**

     * 2nd phase constructor.

     */

    void ConstructL();

    /**

     * Create widget entry by parsing the info.plist, insert the entry into the entry list

     * if the entry is not already existing.

     * @return the existed widget's index if already present

     * @since 3.1

     */

    TInt PreprocessWidgetBundleL( TDesC& aRestoreDir );

    /** 

	* Fix the widget properties need to restore from the backup 

	* @return void

    * @since 5.0 

	*/

    void FixWidgetPropsL(); 

    void ProcessRestoreDirL( TDesC& aRestoreDir );

    /**

     * Set drive to C: to install/update the widget

     * @return true if no error, Leaves if drive space is not sufficient

     * @since 3.2

     */

    TBool SetDriveAndCheckSpaceL();

    /**

     * update basepath of widget

     * @since 3.2

     */

    void UpdateWidgetBasePathL( TDriveUnit& aDrive );

    /**

     * When overwriting an installed widget, backup so can restore on error

     * @since 3.2

     */

    void BackupL();

    /**

     * When overwriting an installed widget, restore on error

     * @since 3.2

     */

    void RestoreL();

    TInt DriveInfo( TInt aDrive, TInt64& aDiskSpace );

    /**

     * Return the name of file/dir found given path of dir to search in and search critiria.

     * @Since 3.2

     * @param aDir: in param, bundle ID, e.g. com.yahoo.local.widget.traffic

     * @param aFoundName: out param,

     */

    TInt SearchByExtL( const TDesC& aDir, TUint aSortKey, const TDesC& aExt, TFileName& aFoundName );

    TInt GetDirSizeL( const TDesC& aDir );

    /**

     * Return the name of dir which contains info.plist file.

     * 

     * @param aDir: in param, bundle ID, e.g. com.yahoo.local.widget.traffic

     * @param aFoundName: out param,

     */

    TInt SearchWidgetRootL( const TDesC& aDir, TFileName& aFoundName );

    /**

    * ConvertIconL

    * Specific to WidgetPreInstaller

    * converts Icon.png to mbm

    * @Since 5.0

    */

    void ConvertIconL( TUid& aUid, const TDesC& aIconPath );

public: // From MConverterController

    /**

     * Used for notify icon convertion complete

     * @since 5.0

     */

    void NotifyCompletionL( TInt aErr ) ;

private: // Data

    TBool iOverwriting;

    CFileMan* iFileMgr; // owned

    RFs iRfs; // owned

    RWidgetRegistryClientSession iRegistry;

    TBool iServerConnected; // to Widget Registry server

    CWidgetConfigHandler* iWidgetConfigHandler; // owned

    CWidgetRegistrationManager* iAppManager; // owned

    TFileName iOriginalDir; // for overwrite backup/restore

    TFileName iBackupDir; // for overwrite backup/restore

    TFileName iBundleRootName; // e.g. yahooTraffic.wdgt

    // these values mainly come from parsing bundle metadata file

    // (info.plist) and are passed to WidgetRegistry for registration.

    RPointerArray<CWidgetPropertyValue> iPropertyValues;

#ifdef _DEBUG

    RFileLogger             iFileLogger;

    TBool                   iCanLog;

#endif

    };

#endif      // WIDGETINSTALLER_H

// End of File