/*

* Copyright (c) 2007 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:  Camera setting provider, which gives constant settings.

*                Used as test version before real setting are queried from

*                settings model.

*

*/

#ifndef CAM_CONSTANTSETTINGPROVIDER_H

#define CAM_CONSTANTSETTINGPROVIDER_H

#include <e32base.h>

#include "mcamsettingprovider.h"

#include "mcamsettingsmodelobserver.h"

class CCamAppController;

class CCamConstantSettingProvider : public CBase,

//                                    public MCamSettingsModelObserver,

                                    public MCamSettingProvider

  {

  // =========================================================================

  // Constructors and destructor

  public:

    static CCamConstantSettingProvider* NewL ( CCamAppController& aController );

    static CCamConstantSettingProvider* NewLC( CCamAppController& aController );

    virtual ~CCamConstantSettingProvider();

  // -------------------------------------------------------------------------

  // From MCamSettingProvider

  public:

    virtual void 

      ProvideCameraParamL( 

        const NCamCameraController::TCamCameraParamId& aParamId,

              TAny*                                    aParamData );

    virtual void 

      ProvideCameraSettingL( 

        const NCamCameraController::TCamCameraSettingId& aSettingId,

              TAny*                                      aSettingData );

    virtual void 

      ProvidePendingSettingChangesL( 

        RArray<NCamCameraController::TCamCameraSettingId>& aSettingIds );

    virtual TInt PendingSettingChangeCount() const;

    /**

    * Set the supported ISO rates.

    */

    virtual void SetSupportedISORatesL( const RArray<TInt>& aSupportedIsoRates );

  // -------------------------------------------------------------------------

  // From MCamSettingsModelObserver

  public:

/*

    virtual void IntegerSettingChangedL( TCamSettingItemIds aSettingItem, 

                                         TInt               aSettingValue );

    virtual void TextSettingChangedL( TCamSettingItemIds aSettingItem, 

                                      const TDesC& aSettingValue );

*/

  // -------------------------------------------------------------------------

  // New methods

  public:

    /**

    * Clear all pending setting changes.

    */

    void Reset();

    /**

    * Add an array of pending setting changes.

    */  

    void AddPendingSettingChangesL( 

            const RArray<TCamSettingItemIds>& aUiSettingIds );

    /**

    * Add one pending setting change.

    */

    void AddPendingSettingChangeL( TCamSettingItemIds aUiSettingId );

  // -------------------------------------------------------------------------

  // Private constructors

  private:

    void ConstructL();

    CCamConstantSettingProvider( CCamAppController& aController );

  // =========================================================================

  // Data

  private:

    CCamAppController& iController;

    RArray<NCamCameraController::TCamCameraSettingId> iPendingSettingChanges;

    RArray<TInt> iSupportedISORates;

    TBool iValidISORates;

  // =========================================================================

  };

#endif // CAM_CONSTANTSETTINGPROVIDER_H