/*

* Copyright (c) 2002-2006 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: 

*     This class contains a collection of small static utility functions

*     needed all around the application. The class has no prefix letter

*     

*

*/

#ifndef __VRUTILS_H

#define __VRUTILS_H

// INCLUDES

#include <bldvariant.hrh>

#include <f32file.h>

#include <badesca.h>

#include "VRConsts.h"

#include "voicerecorder.hrh"

// CLASS DECLARATION

class TVRDriveInfo

    {

    public:

        TBool iDrivePresent;

        TBool iDriveLocked;

        TBool iDriveCorrupted;

		TBool iDriveReadOnly;

		TBool iDriveFull;

    };

class VRUtils

    {

    public: // New functions

		/**

        * Returns the currently effective path where to store voice memos

		* The directory is affected by the settings and the availability of MMC

		*

        * @return Returns a non-modifiable pointer descriptor containing the

		*         currently effective path where to store voice memos.

		          The descriptor is left on cleanup stack.

        */

		IMPORT_C static void MemoStoreDirectoryL( TDes &aPath );

        /**

        * This method sets the default memo store setting (Phone Memory / MMC)

		*

        * @param aMemory Memory to set as default store

        */

		IMPORT_C static void SetMemoStoreL( TVRMemoStore aMemory );

        /**

        * This method returns the default memo store setting

        * @return The default memo store

        */

		IMPORT_C static TVRMemoStore MemoStoreL();

		/**

		* This method returns the current status of MMC (inserted/locked/etc...)

		* @param aDriveInfo MMC status

		*/

		IMPORT_C static void GetMMCInfo( TVRDriveInfo& aDriveInfo );

		/**

		* Set the default speaker

		* @param aSpeaker ESpeakerEarPiece or ESpeakerIhf

		*/

		IMPORT_C static void SetDefaultSpeakerL( const TVRSpeaker aSpeaker);

		/**

		* This method returns the current speaker

		* @return Default speaker, either ESpeakerEarPiece or ESpeakerIhf

		*/

		IMPORT_C static TVRSpeaker DefaultSpeakerL();

		/**

		* Set the default volume setting for specified speaker

		* @param aSpeaker ESpeakerEarPiece or ESpeakerIhf

		* @param aVolume New TInt value to save

		*/

		IMPORT_C static void SetDefaultVolumeL( const TVRSpeaker aSpeaker, const TInt aVolume );

		/**

		* This method returns the default volume setting for specivied speaker

		* @param aSpeaker ESpeakerEarPiece or ESpeakerIhf

		* @return The retrieved volume setting value

		*/

		IMPORT_C static TInt DefaultVolumeL( const TVRSpeaker aSpeaker );

		/**

		* Set the default quality setting

		* @param aSpeaker EQualityMMSOptimized or EQualityHigh

		*/

		IMPORT_C static void SetQualityL( const TVRQuality aQuality );

		/**

		* This method returns the current quality setting

		* @return Default quality, either EQualityMMSOptimized or EQualityHigh

		*/

		IMPORT_C static TVRQuality QualityL();

		/**

		* This method shows the out-of-memory confirmation query

		* @param aMmc Shows qtn_memlo_not_enough_memory if EFalse or

		*			qtn_memlo_mmc_not_enough_memory if ETrue

		*/

		IMPORT_C static void ShowMemoryFullConfirmationQuery( TBool aMmc = EFalse );

		/**

		* This method checks if video or VOIP call is ongoing

		* @param aShowNote Show error note if ETrue

		* @return ETrue if unsupported call is ongoing, EFalse otherwise

		*/

		IMPORT_C static TBool UnsupportedCallTypeOngoing( TBool aShowNote = EFalse );

		/**

		* This method returns the maximum length for a memo

		* @return Maximum length

		*/

		IMPORT_C static TInt MaxLengthL();		

		/**

		* Check if variated feature is configured on

		* @param aFeature Internal feature id

		* @return ETrue if feature is enabled

		*/		

		IMPORT_C static TBool FeatureEnabled( TVRFeature aFeature );

		/**

		* Generate a filename that has unique body in given path.

		* @param aFs Reference to connected file server session handle

		* @param aName Path to destination folder. On return contains

		*         a unique file name with full path and extension

		* @param aType The type of file to be generated. Extension will be

		          appended according to this parameter.

		*/				

		IMPORT_C static void GenerateUniqueFilenameL( RFs& aFs, 

	                         TFileName& aName, TVRFiletype aType );

		/**

		* This method returns the running count of recorded memos

		* @return Count of recorded memos

		*/

		IMPORT_C static TInt MemoCount();		

		/**

		* This method returns the running count of recorded memos

		* @return Count of recorded memos

		*/

		IMPORT_C static void SetMemoCount( TInt aNewCount );

		/**

		* This method returns the bitrate that is used when recording amr clips

		* @return Bitrate

		*/

		IMPORT_C static TUint AMRBitrateL();	

		/**

		* This method returns the bitrate that is used when recording amr clips

		* @return Bitrate

		*/

		IMPORT_C static TUint AACBitrateL();	

		/**

		* This method returns the AAC-LC sampling rate that is used when recording AAC-LC clips

		* @return Sampleing rate

		*/		

		IMPORT_C static TInt AACSamplerateL();

		/**

		* This method returns the audio mode that is used when recording AAC-LC clips

		* @return audio mode

		*/		

       	IMPORT_C static TInt AACAudioModeL();

#ifdef RD_MULTIPLE_DRIVE    	

       	/**

        * This method sets the default memo store setting (to support multipledrives)

		*

        * @param aMemory Memory to set as default store

        */

		IMPORT_C static void SetMemoDriveL( TDriveNumber aDrive );

       	/**

        * This method returns default phone memory drive

		*

        * 

        */

		IMPORT_C static TInt DefaultMemoDriveL();

		/**

		* This method returns the current status of Drive (inserted/locked/etc...)

		* @param aDriveInfo MMC status

		*/

		IMPORT_C static void GetDriveInfo( TInt aDrive, TUint& aDriveInfo );

        /**

        * This method returns the default memo drive setting

        * @return The default memo store

        */

		IMPORT_C static TInt MemoDriveL();

#endif		

	private:

		/**

		* Default constructor declared as private to prohibit construction.

		*/

		VRUtils();	

		/**

		* Store a setting in Central Repository

		* @param aKey The Central Repository key 

		* @param aValue The value for the key

		*/

		static void SetSettingValueL( const TUint32 aKey, const TInt aValue );

		/**

		* Get a setting from Central Repository

		* @param aKey The requested Central Repository key

		* @param aDefaultValue If key was not found, this is the value used

		* @return The value of the requested key

		*/

		static TInt SettingValueL( const TUint32 aKey, const TInt aValue );

		/**

		* This method shows the out-of-memory confirmation query

		* @param aMmc Shows qtn_memlo_not_enough_memory if EFalse or

		*			qtn_memlo_mmc_not_enough_memory if ETrue

		*/

		static void ShowMemoryFullConfirmationQueryL( TBool aMmc = EFalse );

		/**

		* This method is called if video or VOIP call is ongoing and

		* information note needs to be shown

		* @param aResourceId

		*/

		static void ShowUnsupportedCallTypeNoteL( TInt aResourceId );

		/**

		* This method appends the requested file type extension to filename

		* @param aName Contains full file name after completion

		* @param aType File type that defines the extension to be appended

		*/

		static void AppendExtension( TFileName& aName, TVRFiletype aType );		

		/**

		* This method does the full check for the parameter filename existence

		* @param aFs Reference to connected file server session handle

		* @param aName Filename to check. No Path nor extension included.

		* @return ETrue if file exists, EFalse otherwise

		*/

		static TBool DoesFileExistL( RFs& aFs, TFileName aName );

		/**

		* This method checks if parameter filename exists or not

		* @param aFs Reference to connected file server session handle

		* @param aName Filename to check. Path included. Extension excluded.

		* @return ETrue if file exists, EFalse otherwise

		*/

		static TBool CheckFileExistence( RFs& aFs, TFileName aName );

    };

#endif      // __VRUTILS_H

// End of File