/*

* Copyright (c) 2005 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:  GSDiagnosticsPlugin implementation.

*

*/

#ifndef GSDIAGNOSTICSPLUGIN_H

#define GSDIAGNOSTICSPLUGIN_H

// User includes

// System includes

#include <GSPluginInterface.h>

#include <aknview.h>

#include <ConeResLoader.h>

#include <eikclb.h>

// Classes referenced

class CImplementationInformation;

// Constants

const TUid KGSDiagnosticsPluginUID = { 0x102750D4 };

_LIT( KOperatorLogoResourceFileName, "z:gsdiagnosticspluginrsc.rsc" );

// CLASS DECLARATION

/**

* This is a utility plugin used to find errors in GS plugins.

* - Crashes on construction/deletion

* - Memory leaks on construction/deletion

*

*/

class CGSDiagnosticsPlugin : public CGSPluginInterface

    {

    public: // Constructors and destructor

        /**

        * Symbian OS two-phased constructor

        * @return

        */

        static CGSDiagnosticsPlugin* NewL( TAny* aInitParams );

        /**

        * Destructor.

        */

        ~CGSDiagnosticsPlugin();

    public: // From CAknView

        /**

        * See base class.

        */

        TUid Id() const;

    public: // From CGSPluginInterface

        /**

        * See base class.

        */

        void GetCaptionL( TDes& aCaption ) const;

        /**

        * See base class.

        */

        TInt PluginProviderCategory() const;

        /**

        * See base class.

        */

        TGSListboxItemTypes ItemType();

        /**

        * See base class.

        */

        void GetValue( const TGSPluginValueKeys aKey,

                       TDes& aValue );

        /**

        * See base class.

        */

        void HandleSelection( const TGSSelectionTypes aSelectionType );

        /**

        * See base class.

        */

        TBool Visible() const;

    protected: // New

        /**

        * C++ default constructor.

        */

        CGSDiagnosticsPlugin();

        /**

        * Symbian OS default constructor.

        */

        void ConstructL();

    protected: // From CAknView

        /**

        * This implementation is empty because this class, being just a dialog,

        * does not implement the CAknView finctionality.

        */

        void DoActivateL( const TVwsViewId& aPrevViewId,

                          TUid aCustomMessageId,

                          const TDesC8& aCustomMessage );

        /**

        * This implementation is empty because this class, being just a dialog,

        * does not implement the CAknView finctionality.

        */

        void DoDeactivate();

    private: // New

        /**

        * Opens localized resource file.

        */

        void OpenLocalizedResourceFileL(

            const TDesC& aResourceFileName,

            RConeResourceLoader& aResourceLoader );

        /**

        * Prints debug info.

        * @param aInfo info to be printed.

        */

        void PrintInfoDebug( CImplementationInformation* aInfo );

        /**

        * Checks plugin implementations. Uses __UHEAP_MARK and __UHEAP_MARKEND

        * so will panic if plugin leaks memory.

        */

        void CheckInfoL( TUid aInterfaceUid );

    protected: // Data

        // Resource loader.

        RConeResourceLoader iResources;

        // Print implementation info.

        TBool iPrintInfo;

        // Try loading and deleting each plugin.

        TBool iTestLoad;

        // Check heap change in case iTEstLoad in true.

        TBool iCheckHeap;

    };

#endif // GSDIAGNOSTICSPLUGIN_H

// End of File