/*

* Copyright (c) 2002 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: 

*     Resource pool for CCoeControls.

*

*/

#ifndef CBUBBLERESOURCEMANAGER_H

#define CBUBBLERESOURCEMANAGER_H

//  INCLUDES

#include <e32std.h>

#include <e32base.h>

// FORWARD DECLARATIONS

class CEikImage;

class CEikLabel;

class CBubbleAnimationControl;

class CCoeControl;

class CBubbleManager;

// CLASS DECLARATION

/**

*  Resource pool for CCoeControls.

*

*  @lib bubblemanager

*  @since 1.0

*/

class CBubbleResourceManager :public CBase

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aParentWindow Main container

        * @return New instance

        */

        static CBubbleResourceManager* NewL( CBubbleManager& aParentWindow );

        /**

        * Destructor.

        */

        virtual ~CBubbleResourceManager();

    public: // New functions

        /**

        * Reserves CEikLabel object. Object must be released after use.

        * @return CEikLabel object.

        */

        CEikLabel* ReserveEikLabel();

        /**

        * Releases CEikLabel object. 

        * @param aLabel Object to be release. Pointer will be set to NULL.

        */

        void ReleaseEikLabel( CEikLabel*& aLabel );

        /**

        * Reserves CEikImage object. Object must be released after use.

        * @return CEikImage object.

        */

        CEikImage* ReserveEikImage( TBool aIsBackgroundImage = EFalse );

        /**

        * Releases CEikImage object. 

        * @param aImage Object to be release. Pointer will be set to NULL.

        */

        void ReleaseEikImage( CEikImage*& aImage );

        /**

        * Activates all the controls.

        * @since 2.0

        */

        void ActivateL();

    private:

        // Enumeration for different resources

        enum TBubbleResource

            {

            EBMEikImage = 0,

            EBMEikLabel

            };

        /**

        * C++ default constructor.

        */

        CBubbleResourceManager( CBubbleManager& aParentWindow );

        /**

        * 2nd phase constructor

        */

        void ConstructL();

        /**

        * Reserves one resource object.

        */

        void ReserveResource( 

            CCoeControl*& aResource , 

            TBubbleResource aType );

        /**

        * Releases current resource.

        */

        void ReleaseResource( 

            CCoeControl*& aResource , 

            TBubbleResource aType );

    private:    // Data

        typedef CArrayPtrFlat<CCoeControl> CSingleResource;

        // array of max elements

        RArray<TUint> iMaxAmounts;       

        // array of resource arrays

        CArrayPtrFlat<CSingleResource>* iResources; 

        // array of info about usage

        RArray<TUint> iAvailabilities; 

        // Parent window for controls

        CBubbleManager& iParentWindow;     

    };

#endif      // CBUBBLERESOURCEMANAGER_H 

// End of File