/*

 * 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:  ?Description

 *

 */

#ifndef C_CAAPPHANDLER_H

#define C_CAAPPHANDLER_H

#include <e32base.h>

// forward declarations

class CEikonEnv;

class CCaInnerEntry;

class CCaUsifUninstallOperation;

/**

 *  Command handler for application entries.

 *

 *  @lib caclient.lib

 */

NONSHARABLE_CLASS( CCaAppHandler ): public CBase

    {

public:

    /**

    * Allocates memory for and initializes CCaAppHandler object

    */

    static CCaAppHandler* NewL();

    /**

     * Destructor.

     */

    virtual ~CCaAppHandler();

protected:

    CCaAppHandler();

    void ConstructL();

public:

    /**

     * Handle command.

     * @param aItem Item of supported type.

     * @param aCommand Command.

     * @param aParams. Command parameters.

     * @param aStatus Observer request status. When the operation completes,

     * this status will be completed with the resulting error code.

     * @return Asynchronous operation. Owned by the caller.

     */

    void HandleCommandL( CCaInnerEntry& aEntry, const TDesC8& aCommand );

private:

    /**

     * Launches application

     * @param aUid UID of the application to launch

     * @param aParam command parameters

     * @param aViewId id of the view the application is to start in

     */

    void LaunchApplicationL( const TUid aUid, const TDesC8 &aParam,

            TInt aViewId );

    /**

     * Closes application

     * @param aEntry the entry represeting application to close

     */

    void CloseApplicationL( CCaInnerEntry& aEntry );

    /**

     * Uninstall application 

     * @param aEntry the entry represeting application to uninstall

     */

    void HandleRemoveL( CCaInnerEntry &aEntry );

    /**

     * Gets component id 

     * @param aEntry the entry 

     * @param aSoftwareType indicates software type

     * @return component id

     */

    TInt GetComponentIdL( const CCaInnerEntry &aEntry,

            const TDesC& aSoftwareType );

    /**

     * Start uninstall operation via usif 

     * @param aComponentId component id

     */

    void StartUsifUninstallL( TInt aComponentId );

private:

    // data

    CEikonEnv* iEikEnv;

    CCaUsifUninstallOperation* iUsifUninstallOperation;

    };

#endif // C_CAAPPHANDLER_H