/*

* Copyright (c) 2009 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 GLXFETCHER_H

#define GLXFETCHER_H

#include <hbmainwindow.h>

#include <xqserviceprovider.h>

#include <QStringList>

#include <xqsharablefile.h>

#include <QModelIndex>

#include <QAbstractItemModel>

//FORWARD CLASS DECLARATION

class GlxGetImageService;

class GlxImageViewerService;

class GlxStateManager;

class CGlxImageViewerManager;

class GlxGetImageServiceNSDI;

class GlxGetImageServiceDSDI;

class GlxExternalUtility;

/**

 * This is qthigway service handler class for all services provide by photos.

 * 

 */

class GlxAiwServiceHandler: public HbMainWindow

    {

    Q_OBJECT

public:

    /**

     * Constructor

     */

    GlxAiwServiceHandler();

    /**

     * Destructor.

     */

    ~GlxAiwServiceHandler();

    /**

     * launch image fetcher view

     * @param viewTitle title for image fetcher

     */

	void launchFetcher(QString viewTitle);

	/**

     * launch image viewer 

     * @param viewTitle title for image fetcher

     */

	void launchImageViewer(QString viewTitle);

public slots:  

    /**

     * This slot is called when image to be returned to fetcher 

     * client is selected

     * @param index index of the selected image

     * @param model model for the current view where image is selected 

     */

    void itemSelected(const QModelIndex &  index,QAbstractItemModel & model);

    /**

     * This slot is called when service client is closed

     * 

     */

    void handleClientDisconnect();

private:

    /// state manager for the services

	GlxStateManager *mStateMgr;

	/// image fetcher service provider

    GlxGetImageService* mFetcherService;

    /// image fetcher service provider with new service name and depricated interface name

    GlxGetImageServiceNSDI* mNSDIService;

    /// image fetcher service provider with depricated name and depricated inaterface name

    GlxGetImageServiceDSDI* mDSDIService;

    GlxImageViewerService* mImageViewerService;

    GlxExternalUtility *mUtil;

    };

/**

 *  GlxGetImageService : Image fetcher service provider

 * 

 */	

class GlxGetImageService : public XQServiceProvider

{

    Q_OBJECT

public:

    /**

     * Constructor

     */

    GlxGetImageService( GlxAiwServiceHandler *parent = 0 );

    /**

     * Destructor.

     */

    ~GlxGetImageService();

    /**

     * check if service is active

     */

    bool isActive();

    /**

     * called to complete fetch service and return to client

     * @param fileList list of Uri to be returned to client 

     */

    void complete( QStringList filesList);

public slots:

    /**

     * slot for qthighway to notify provider about request

     */

    void fetch();

    /**

     * slot for service provider to notify client about error

     */

    void fetchFailed( int errorCode );

private:

    /**

     * called to complete qthighway service

     * @param fileList list of Uri to be returned to client

     */

    void doComplete( QStringList filesList);

private:

    /// current service request id

    int mImageRequestIndex;

    /// service handler for all photos services

    GlxAiwServiceHandler* mServiceApp;

};

/**

 * Class Description

 *  GlxGetImageServiceDSDI

 *  Service provide for new service and depricated interface

 */ 

class GlxGetImageServiceNSDI : public XQServiceProvider

{

    Q_OBJECT

public:

    /**

     * Constructor

     */

    GlxGetImageServiceNSDI( GlxAiwServiceHandler *parent = 0 );

    /**

     * Destructor.

     */

    ~GlxGetImageServiceNSDI();

    /**

     * check if service is active

     */

    bool isActive();

    /**

     * called to complete fetch service and return to client

     * @param fileList list of Uri to be returned to client 

     */

    void complete( QStringList filesList);

public slots:

    /**

     * slot for qthighway to notify provider about request

     */

    void fetch( QVariantMap filter , QVariant flag );

    /**

     * slot for qthighway to notify provider about request

     */

    void fetch();

public slots:

    /**

     * slot for service provider to notify client about error

     */

    void fetchFailed( int errorCode );

private:

    /**

     * called to complete fetch service and return to client

     * @param fileList list of Uri to be returned to client 

     */

    void doComplete( QStringList filesList);

private:

    /// current service request id

    int mImageRequestIndex;

    /// service handler for all photos services

    GlxAiwServiceHandler* mServiceApp;

};

/**

 *  GlxGetImageServiceDSDI

 *  Service provide for depricated service and depricated interface

 */ 

class GlxGetImageServiceDSDI : public XQServiceProvider

{

    Q_OBJECT

public:

    /**

     * Constructor

     */

    GlxGetImageServiceDSDI( GlxAiwServiceHandler *parent = 0 );

    /**

     * Destructor.

     */

    ~GlxGetImageServiceDSDI();

    /**

     * check if service is active

     */

    bool isActive();

    /**

     * called to complete fetch service and return to client

     * @param fileList list of Uri to be returned to client 

     */

    void complete( QStringList filesList);

public slots:

    /**

     * slot for qthighway to notify provider about request

     */

    void fetch( QVariantMap filter, QVariant flag);

public slots:

    /**

     * slot for service provider to notify client about error

     */

    void fetchFailed( int errorCode );

private:

    /**

     * called to complete fetch service and return to client

     * @param fileList list of Uri to be returned to client 

     */

    void doComplete( QStringList filesList);

private:

    /// current service request id

    int mImageRequestIndex;

    /// service handler for all photos services

    GlxAiwServiceHandler* mServiceApp;

};

/**

 * Image viewer service provider 

 */

class GlxImageViewerService : public XQServiceProvider

{

    Q_OBJECT

public:

    /**

     * Constructor

     */

    GlxImageViewerService( GlxAiwServiceHandler *parent = 0 );

    /**

     * Destructor.

     */

    ~GlxImageViewerService();

    /**

     * compete request 

     * @param ok true id success else false

     */

    void complete(bool ok);

    /**

     * check if request is aSync

     * @return true if async else false

     */

    bool asyncRequest() {return mAsyncRequest;}

public slots:

    /**

     * slot for qthighway to notify provider about request

     */

    bool view(QString file);

    /**

     * slot for qthighway to notify provider about request

     */

    bool view(XQSharableFile file);

private:

    /// service handler for all photos services

    GlxAiwServiceHandler* mServiceApp;

    /// current request id

    int mAsyncReqId;

    bool mRetValue;

    bool mAsyncRequest;

    /// image viewer manager instance to get info regarding file

    CGlxImageViewerManager* mImageViewerInstance;

};

#endif //GLXFETCHER_H