/*

* Copyright (c) 2005-2006 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:  Implements a (minimal) GS Plugin

*

*/

#ifndef GS_DAS_H

#define GS_DAS_H

// Includes

#include <aknview.h>

#include <AknServerApp.h>

#include <eikclb.h>

#include <ConeResLoader.h>

#include <gsplugininterface.h>

#include "gs_das_emptycontainer.h"

// Classes referenced

class CDefaultAppClient;

// Constants

/** This is the name of the plugin's resource file */

_LIT( KDefaultAppGSPluginResourceFileName, "z:gsdasplugin_rsc.rsc" );

/** This is the plugin's UID */

const TUid KDefaultAppGSPluginUid = { 0x10281BA1 };

// CLASS DECLARATION

/**

 *  This class implements a GS plugin.

 *

 *  This class inplements a GS plugin that acts as a client for the Default App Server, so that it can be

 *  accessed from the GS application.

 *

 *  @since S60 5.0

 */

class CDefaultAppGSPlugin : public CGSPluginInterface, public MAknServerAppExitObserver

    {

public: // Constructors and destructor

    /**

     * Symbian OS two-phased constructor

     * @return

     */

    static CDefaultAppGSPlugin* NewL( TAny* aInitParams );

    /**

     * Destructor.

     */

    ~CDefaultAppGSPlugin();

public: // From CAknView

    /**

     * From CAknView

     * Returns the UID of the Plugin (see base class)

     *

     * @since S60 5.0

     */

    TUid Id() const;

    /**

     * From CAknView

     * Activates the plugin (see base class)

     *

     * @since S60 5.0

     * @param aPrevViewId see base class

     * @param aCustomMessageId see base class

     * @param aCustomMessage see base class

     */        

    void DoActivateL( const TVwsViewId& aPrevViewId,

                      TUid aCustomMessageId,

                      const TDesC8& aCustomMessage );

    /**

     * From CAknView

     * Deactivates the Plugin (see base class)

     *

     * @since S60 5.0

     */

    void DoDeactivate();

    /**

     * From CAknView

     * Handles a menu command (see base class)

     *

     * @since S60 5.0

     * @param aCommand the command to handle

     */

    void HandleCommandL( TInt aCommand );

public: // From CGSPluginInterface

    /**

     * From CGSPluginInterface

     * Returns the Plugin Caption (see base class)

     *

     * @since S60 5.0

     * @param aCaption placeholder for the caption

     */   

    void GetCaptionL( TDes& aCaption ) const;

    /**

     * From CGSPluginInterface

     * Returns the plugin's icon (see CGSPluginInterface header file)

     *

     * @since S60 5.0

     * @param aIconType icon type

     */  

    CGulIcon* CreateIconL( const TUid aIconType );

private: // From MAknServerAppExitObserver

    /**

     * From MAknServerAppExitObserver

     * Handles server exits

     *

     * @since S60 5.0

     * @param aReason for the server exit

     */

    void HandleServerAppExit ( TInt aReason );

private:

    /**

     * C++ default constructor.

     */

    CDefaultAppGSPlugin();

    /**

     * Symbian OS default constructor.

     */

    void ConstructL();

private: // Data  

    /**

     * The Resource Loader

     */

    RConeResourceLoader iResources; // Resouce loader.

    /**

     * The id of the previous View, to be activated when user pushes Back

     */

    TVwsViewId iPrevViewId;

    /**

     * Pointer to the Default App Client API class

     * Own.

     */

    CDefaultAppClient* iClient;

    /**

     * Empty Container, used to avoid screen flickering

     * Own.

     */

    CCEmptyContainer* iEmptyContainer;

    };

#endif // GS_DAS_H

// End of File