/*

* Copyright (c) 2006 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:   Contains CNcdNodeInstallProxy class

*

*/

#ifndef C_NCD_NODE_INSTALL_PROXY_H

#define C_NCD_NODE_INSTALL_PROXY_H

// For the streams

#include <s32mem.h>

#include "ncdinterfacebaseproxy.h"

#include "ncdnodeinstall.h"

#include "ncdinstalloperationobserver.h"

#include "ncditempurpose.h"

class CNcdNodeMetadataProxy;

class CNcdInstallInfo;

class MNcdInstallationService;

class CNcdExtendedInstallInfo;

/**

 *  This class implements the functionality for the

 *  MNcdNodeInstall interfaces. The interface is provided for

 *  API users.

 *

 *  @since S60 v3.2

 */

class CNcdNodeInstallProxy : public CNcdInterfaceBaseProxy, 

                             public MNcdNodeInstall,

                             public MNcdInstallOperationObserver

    {

public:

    /**

     * @param aSession The session between the client proxy and the

     * corresponding server object.

     * @param aHandle The handle which identifies the server object

     * that this proxy uses.

     * @param aMetadata Owns and uses the information of this proxy.

     * The metadata also keeps track of the refence counts of its objects. 

     * And handles the deletion of these objects when the total reference 

     * count reaches zero.

     * @return CNcdNodeInstallProxy* Pointer to the created object 

     * of this class.

     */

    static CNcdNodeInstallProxy* NewL(

        MCatalogsClientServer& aSession,

        TInt aHandle,

        CNcdNodeMetadataProxy& aMetadata );

    /**

     * @param aSession The session between the client proxy and the

     * corresponding server object.

     * @param aHandle The handle which identifies the server object

     * that this proxy uses.

     * @param aMetadata Owns and uses the information of this proxy.

     * The metadata also keeps track of the refence counts of its objects. 

     * And handles the deletion of these objects when the total reference 

     * count reaches zero.

     * @return CNcdNodeInstallProxy* Pointer to the created object 

     * of this class.

     */

    static CNcdNodeInstallProxy* NewLC(

        MCatalogsClientServer& aSession, 

        TInt aHandle,

        CNcdNodeMetadataProxy& aMetadata );

    /**

     * Destructor.

     * The destructor is set public. So, the node that owns the Install may

     * delete it directly when the reference count of the node reaches zero

     * and the destructor of the node is called.

     */

    virtual ~CNcdNodeInstallProxy();

    /**

     * @return CNcdNodeMetadataProxy& Gives the proxy that owns this class object.

     */

    CNcdNodeMetadataProxy& Metadata() const;

    /**

     * Gets the data for descriptors from the server side. This function is

     * called to update proxy data. The function uses the protected virtual

     * internalize functions. So, the child classes may provide their own

     * implementations for internalizations of certain metadata.

     */

    void InternalizeL();

    /**

     * The item may have multiple purposes. The given purpose is compared

     * to the item purposes and returned boolean value informs if 

     * the item has the given purpose.

     * 

     * @return ETrue if the item purpose is specified to contain the

     * given purpose. EFalse if the item purpose does not match the

     * given purpose.

     */

    TBool IsPurpose( TNcdItemPurpose aPurpose ) const;

public: // MNcdNodeInstall

    /**

     * @see MNcdNodeInstall::InstallL()

     */ 

    MNcdInstallOperation* InstallL( MNcdInstallOperationObserver& aObserver );

    /**

     * @see MNcdNodeInstall::SilentInstallL()

     */ 

    /**

     * @see MNcdNodeInstall::IsInstalledL()

     */ 

    TBool IsInstalledL() const;

    /**

     * @see MNcdNodeInstall::IsLaunchable()

     */

    TBool IsLaunchable() const;

    /**

     * @see MNcdNodeInstall::InstalledContentL()

     */

    RCatalogsArray<MNcdInstalledContent> InstalledContentL();

    /**

     * @see MNcdNodeInstall::SetApplicationInstalledL()

     */

    void SetApplicationInstalledL( TInt aErrorCode );

public: // New methods

    /**

     * Installation service getter

     */

    MNcdInstallationService& InstallationService();

    /**

     * File session getter

     */

    RFs& FileSession();

    /**

     * File opener

     */

    RFile OpenFileL( TInt aFileIndex );

public: // From MNcdInstallOperationObserver

    /**

     * @see MNcdInstallOperationObserver::InstallProgress()

     */

    void InstallProgress( MNcdInstallOperation& aOperation,

        TNcdProgress aProgress );

    /**

     * @see MNcdInstallOperationObserver::QueryReceived()

     */

    void QueryReceived( MNcdInstallOperation& aOperation,

        MNcdQuery* aQuery );

    /**

     * @see MNcdInstallOperationObserver::OperationComplete()

     */

    void OperationComplete( MNcdInstallOperation& aOperation, TInt aError );

protected:

    /**

     * Constructor

     *

     * @param aSession The session between the client proxy and the

     * corresponding server object.

     * @param aHandle The handle which identifies the server object

     * that this proxy uses.

     * @param aMetadata Owns and uses the information of this proxy.

     * The metadata also keeps track of the refence counts of its objects. 

     * And handles the deletion of these objects when the total reference 

     * count reaches zero.

     * @return CNcdNodeInstallProxy* Pointer to the created object 

     * of this class.

     */

    CNcdNodeInstallProxy(

        MCatalogsClientServer& aSession,

        TInt aHandle,

        CNcdNodeMetadataProxy& aMetadata );

    /**

     * ConstructL

     */

    virtual void ConstructL();

    // These functions are used to update the data of this class object

    /**

     * @param aStream This stream will contain all the data content for

     * this class object. The stream is gotten from the server side. The

     * memeber variables will be updated according to the data from

     * the stream. 

     */

    virtual void InternalizeDataL( RReadStream& aStream );

private:

    // Prevent if not implemented

    CNcdNodeInstallProxy( const CNcdNodeInstallProxy& aObject );

    CNcdNodeInstallProxy& operator =( const CNcdNodeInstallProxy& aObject );

    void CreateInstalledContentL(

        const CNcdExtendedInstallInfo& aInfo, 

        TInt aFileIndex );

private: // data

    CNcdNodeMetadataProxy& iMetadata;

    MNcdInstallOperationObserver* iOperationObserver;

    TBool iInstalled; // Installed status

    TBool iLaunchable; // Is launchable

    // item's purpose

    TUint iPurpose;  

    // Installation service, not owned

    MNcdInstallationService* iInstallationService;      

    RCatalogsArray<MNcdInstalledContent> iContent;

    };

#endif // C_NCD_NODE_INSTALL_PROXY_H