/*

* Copyright (c) 2007-2008 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:    The settings model for the slideshow

 *

*/

//  CLASS HEADER

#include "shwsettingsmodel.h"

//  EXTERNAL INCLUDES

#include <centralrepository.h>

//  INTERNAL INCLUDES

#include <glxlog.h>

#include <glxtracer.h>

#include "shwconstants.hrh"

#include "shwconstants.h"					

// LOCAL CONSTANTS NAMESPACE

namespace

	{

	// CenRep Key Ids

    const TUint32 KShwMusicOnOffKey 	= 0x00000001;

    const TUint32 KShwMusicNamePathKey 	= 0x00000002;

    const TUint32 KShwTransitionDelayKey= 0x00000003;

    const TUint32 KShwTransitionTypeKey	= 0x00000004;

    const TUint32 KShwTransitionIndexKey= 0x00000005;

    const TUint32 KShwPlayOrder			= 0x00000006;

	}

/**

 *  CShwCenRepWatcher

 *  CShwSettingsModel containted class for observing changes in central 

 *					 repository values

 * @internal reviewed 08/06/2007 by Kimmo Hoikka

 */

NONSHARABLE_CLASS( CShwSettingsModel::CShwCenRepWatcher )

	: public CActive

	{

	public:  // Constructors and destructor

	    /**

	     * Symbian Constructor.

	     * @param aRepositoryUid uid of Central Repository file

	     * @param aId id of the Central Repository key

	     * @param aObserver obersver - only supplied when the owner is 

	     *  interested in changes in key value

	     * @return contructed object

	     */

	    static CShwCenRepWatcher* NewL(const TUid& aRepositoryUid,

	                     		       TUint32 aId );

        /**

         * Destructor.

         */

        ~CShwCenRepWatcher();

	public: // API

        /**

         * Get current value as integer.

         * @return Current value of the key as a TInt

         */

        TInt KeyValueL() const;

        /**

         * Get current value as 16 bit descriptor.

         * @param return value of the key in the descriptor

         */

        void KeyValueL(TDes& aKeyValue) const;

        /**

         * Set integer value

         * @param aNewValue New value for the key

         */

        void SetKeyValueL(const TInt aNewValue);

        /**

         * Set string value

         * @param aNewValue New 16 bit descriptor value for the key

         */

        void SetKeyValueL(const TDesC& aNewValue);

	private: // Implementation

        /**

         * C++ constructor.

         * @param aRepositoryUid uid of CenRep file

         * @param aId id of the key

         * @param aObserver obersver

         * @return contructed object

         */

        CShwCenRepWatcher(const TUid& aRepositoryUid, TUint32 aId );

        /**

         * 2nd phase constructor

         */

        void ConstructL();

	protected: // from CActive

        /**

         * @ref CActive::RunL

         */

        void RunL();

        /**

         * @ref CActive::DoCancel

         */

        void DoCancel();

	private: // Implementation

        // Own: the central repository API

        CRepository* iRepository;       

        // the central repository identifier

        TUid iRepositoryUid;

        // the key id

        TUint32 iId;

	}; 

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

// Two-phased constructor.

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

CShwSettingsModel::CShwCenRepWatcher* CShwSettingsModel::CShwCenRepWatcher::NewL

										(const TUid& aRepositoryUid,

                                        TUint32 aId )

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::NewL");

	GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::NewL");

    CShwCenRepWatcher* self = 

    	new(ELeave) CShwCenRepWatcher( aRepositoryUid, aId );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

inline CShwSettingsModel::CShwCenRepWatcher::CShwCenRepWatcher(

		const TUid& aRepositoryUid, TUint32 aId )

    : CActive(EPriorityStandard), 

    iRepositoryUid(aRepositoryUid), 

    iId(aId)

    {

    }

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

// Symbian 2nd phase constructor 

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

void CShwSettingsModel::CShwCenRepWatcher::ConstructL()

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::ConstructL");

    GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::ConstructL");

    iRepository = CRepository::NewL(iRepositoryUid);

    }

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

// Destructor

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

CShwSettingsModel::CShwCenRepWatcher::~CShwCenRepWatcher()

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::~CShwCenRepWatcher");

	GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::~CShwCenRepWatcher");

    Cancel();

    delete iRepository;

    }

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

// CShwCenRepWatcher::KeyValueL

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

TInt CShwSettingsModel::CShwCenRepWatcher::KeyValueL() const

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::KeyValueL() const");

	GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::KeyValueL() const");

    TInt retVal = KErrNone;

    User::LeaveIfError( iRepository->Get(iId, retVal) );

    return retVal;

    }

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

// CShwCenRepWatcher::KeyValueL

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

void CShwSettingsModel::CShwCenRepWatcher::KeyValueL(TDes& aKeyValue) const

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::KeyValueL");

	GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::KeyValueL");

    User::LeaveIfError( iRepository->Get(iId, aKeyValue) );

    }

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

// CShwCenRepWatcher::SetKeyValueL

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

void CShwSettingsModel::CShwCenRepWatcher::SetKeyValueL(const TInt aNewValue)

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::SetKeyValueL(const TInt aNewValue)");

    GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::SetKeyValueL(const TInt aNewValue)");

    User::LeaveIfError( iRepository->Set(iId, aNewValue) );

    }    

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

// CShwCenRepWatcher::SetKeyValueL

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

 void CShwSettingsModel::CShwCenRepWatcher::SetKeyValueL(const TDesC& aNewValue)

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::SetKeyValueL");

    GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::SetKeyValueL");

    User::LeaveIfError( iRepository->Set(iId, aNewValue) );

    }

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

// CShwCenRepWatcher::RunL

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

void CShwSettingsModel::CShwCenRepWatcher::RunL()

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::SetKeyValueL");

    GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::RunL");    

    User::LeaveIfError(iRepository->NotifyRequest(iId, iStatus));

    SetActive();

    }

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

// CShwCenRepWatcher::DoCancel

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

void CShwSettingsModel::CShwCenRepWatcher::DoCancel()

    {

    TRACER("CShwSettingsModel::CShwCenRepWatcher::DoCancel");

    GLX_LOG_INFO("CShwSettingsModel::CShwCenRepWatcher::DoCancel");

    iRepository->NotifyCancel( iId );

    }

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

// Symbian 2 phase constructor 

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

EXPORT_C CShwSettingsModel* CShwSettingsModel::NewL()

	{

	TRACER("CShwSettingsModel::NewL");

	GLX_LOG_INFO("CShwSettingsModel::NewL");

    CShwSettingsModel* self = new(ELeave) CShwSettingsModel();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

	}

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

// Destructor

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

EXPORT_C CShwSettingsModel::~CShwSettingsModel()

	{

	TRACER("CShwSettingsModel::~CShwSettingsModel");

	GLX_LOG_INFO("CShwSettingsModel::~CShwSettingsModel");

	delete iPlayOrder;

	delete iMusicOnOffWatcher;

	delete iMusicNamePathWatcher;

	delete iTransDelayWatcher;

	delete iTransTypeWatcher;

	delete iTransIndexWatcher;

	}

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

// C++ default constructor 

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

inline CShwSettingsModel::CShwSettingsModel()

	{

	}

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

// Two-phased constructor.

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

void CShwSettingsModel::ConstructL()

	{

	TRACER("CShwSettingsModel::ConstructL");

	GLX_LOG_INFO("CShwSettingsModel::ConstructL");

	const TInt KEngineId = 0x200071D3;	

	const TUid KEngineUid = TUid::Uid( KEngineId );

	iPlayOrder			 = CShwCenRepWatcher::NewL(KEngineUid,

							KShwPlayOrder );

	iMusicOnOffWatcher    = CShwCenRepWatcher::NewL(KEngineUid, 

							KShwMusicOnOffKey );

	iMusicNamePathWatcher = CShwCenRepWatcher::NewL(KEngineUid, 

							KShwMusicNamePathKey );

	iTransDelayWatcher    = CShwCenRepWatcher::NewL(KEngineUid, 

							KShwTransitionDelayKey );

	iTransTypeWatcher     = CShwCenRepWatcher::NewL(KEngineUid, 

							KShwTransitionTypeKey );

	iTransIndexWatcher    = CShwCenRepWatcher::NewL(KEngineUid, 

							KShwTransitionIndexKey );

	}

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

// CShwSettingsModel::PlayOrderL

// returns persisted play order

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

//

EXPORT_C TInt CShwSettingsModel::PlayOrderL()

	{

	TRACER("CShwSettingsModel::PlayOrderL");

    GLX_LOG_INFO("CShwSettingsModel::PlayOrderL");

    TInt playState = iPlayOrder->KeyValueL();

    ASSERT(playState == 0 || playState == 1);

    return playState;

	}

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

// CShwSettingsModel::SavePlayOrderL

// Persist the play order state

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

//

EXPORT_C void CShwSettingsModel::SavePlayOrderL(TInt aPlayOrder)

	{

	TRACER("CShwSettingsModel::SavePlayOrderL");

	GLX_LOG_INFO("CShwSettingsModel::SaveMusicStateL");

    ASSERT(aPlayOrder == 0 || aPlayOrder == 1);

    iPlayOrder->SetKeyValueL(aPlayOrder);

	}

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

// CShwSettingsModel::SaveMusicOnOff

// Persist the music on/off state

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

EXPORT_C void CShwSettingsModel::SaveMusicStateL(TInt aMusicState)

    {

    TRACER("CShwSettingsModel::SaveMusicStateL");

	GLX_LOG_INFO("CShwSettingsModel::SaveMusicStateL");

    ASSERT(aMusicState == 0 || aMusicState == 1);

    iMusicOnOffWatcher->SetKeyValueL(aMusicState);

    }

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

// CShwSettingsModel::MusicOnL

// returns persisted the music on/off state

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

EXPORT_C TInt CShwSettingsModel::MusicOnL() const

    {

    TRACER("CShwSettingsModel::MusicOnL");

    GLX_LOG_INFO("CShwSettingsModel::MusicOnL");

    TInt musicState = iMusicOnOffWatcher->KeyValueL();

    ASSERT(musicState == 0 || musicState == 1);

    return musicState;

    }

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

// CShwSettingsModel::SaveMusicNamePathL

// Persist the name & path to the music file

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

EXPORT_C void CShwSettingsModel::SaveMusicNamePathL(const TDesC& aMusicNamePath)

    {

    TRACER("CShwSettingsModel::SaveMusicNamePathL");

    GLX_LOG_INFO("CShwSettingsModel::SaveMusicNamePathL");

    // allow setting also empty value (there used to be an if here...)

    iMusicNamePathWatcher->SetKeyValueL( aMusicNamePath );

    }

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

// CShwSettingsModel::MusicNamePathL

// returns persisted value of the music file name and path

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

EXPORT_C void CShwSettingsModel::MusicNamePathL(TDes& aMusicNamePath) const

    {

    TRACER("CShwSettingsModel::MusicNamePathL");

    GLX_LOG_INFO("CShwSettingsModel::MusicNamePathL");

    iMusicNamePathWatcher->KeyValueL(aMusicNamePath);

    }

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

// CShwSettingsModel::SaveTransDelayL

// Persist the value for transition delay between slide

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

EXPORT_C void CShwSettingsModel::SaveTransDelayL( TInt aTransDelay )

    {

    TRACER("CShwSettingsModel::SaveTransDelayL");

    GLX_LOG_INFO1("CShwSettingsModel::SaveTransDelayL %d", aTransDelay );

    // check we are inside bounds

    aTransDelay = Max( aTransDelay, KMinTransDelay );

    aTransDelay = Min( aTransDelay, KMaxTransDelay );

    iTransDelayWatcher->SetKeyValueL(aTransDelay);

    }

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

// CShwSettingsModel::TransDelayL

// returns persisted transition delay value

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

EXPORT_C TInt CShwSettingsModel::TransDelayL() const

    {

    TRACER("CShwSettingsModel::TransDelayL");

    TInt transDelay = iTransDelayWatcher->KeyValueL();

    GLX_LOG_INFO1( "CShwSettingsModel::TransDelayL %d", transDelay );

    return transDelay;

    }

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

// CShwSettingsModel::SaveTransitionType

// Persist the transition effect type ECOM UID and index

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

EXPORT_C void CShwSettingsModel::SaveTransitionTypeL(const TUid aEffectUid,

										   const TUint aEffectIndex)

    {

    TRACER("CShwSettingsModel::SaveTransitionTypeL");

    GLX_LOG_INFO("CShwSettingsModel::SaveTransitionTypeL");

	iTransTypeWatcher->SetKeyValueL(aEffectUid.iUid);

	iTransIndexWatcher->SetKeyValueL(aEffectIndex);

    }

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

// CShwSettingsModel::TransitionTypeL

// returns persisted transition effect type ECOM UID and 

// index

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

EXPORT_C void CShwSettingsModel::TransitionTypeL(TUid& aEffectUid, 	

													TUint& aEffectIndex) const

    {

    TRACER("CShwSettingsModel::TransitionTypeL");

    GLX_LOG_INFO("CShwSettingsModel::TransitionTypeL");

	aEffectUid.iUid = iTransTypeWatcher->KeyValueL();

	aEffectIndex 	= iTransIndexWatcher->KeyValueL();

    }

// End of File