/*

* Copyright (c) 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:  Implementation header of the Radio RDS Utility API

*

*

*/

#ifndef C_RADIORDSUTILITYBODY_H

#define C_RADIORDSUTILITYBODY_H

#include <RadioRdsUtility.h>

#include "RadioUtilityBody.h"

class RRadioSession;

class CRadioUtility;

/**

 *  This class encapsulates the implementation body of CRadioRdsUtility interface.

 *

 *  @lib Radio_Utility.lib

 *  @since S60 3.2

 */

class CRadioRdsUtility::CBody : public CBase

    {

public:

    static CBody*  NewL( RRadioSession& aRadioSession, MRadioRdsObserver& aObserver );

    ~CBody();

    /**

     * Close the RDS utility and free all memory allocated.

     *

     * @since S60 3.2

     */

    void Close();

    /**

     * Get the capabilities of the RDS control on the device.

     *

     * @since S60 3.2

     * @param aCaps The capabilities object to fill

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

    TInt GetCapabilities( TRdsCapabilities& aCaps ) const;

    /**

     * Get the status of the RDS reception.

     *

     * @since S60 3.2

     * @param aRdsSignal On return, will be ETrue if RDS signal can be recepted, EFalse otherwise.

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

    TInt GetRdsSignalStatus( TBool& aRdsSignal ) const;

    /**

     * Subscribe for notification for the specified RDS data. Client should first check

     * the capabilities to see if a feature is supported.

     * Request for notification for non-supported features will simply be ignored.

     *

     * For example, if the client wishes to be notified when new Programme Type and

     * Traffic Announcement is available:

     *      iRdsData = ERdsProgrammeType | ERdsTrafficAnnouncement;

     *      iRdsUtility->NotifyRdsDataChange(iRdsData);

     *

     * Subscribe for notification for the specified RadioText+ data. Client should first check

     * the capabilities to see if RT+ feature is supported.

     * Returns KErrNotSupported if RT+ is not supported.

     *

     * For example, if the client wishes to be notified only when new Title and Genre are available:

     *      iRtPlusClassArray.Append(ERTplusItemTitle);

     *      iRtPlusClassArray.Append(ERTplusItemTitle);

     *      iRdsUtility->NotifyRadioTextPlusChangeL(iRtPlusClassArray);

     *

     * Note that if the client wishes to receive the entire radio text data chunk, client should

     * subscribe for ERdsRadioText using NotifyRdsDataChange instead.

     *

     * @since S60 3.2

     * @param aRtPlusClasses Array of RT+ class to be notified

     *

     * @since S60 3.2

     * @param aRdsData Bitfield indicating notification request.

     * @see MRadioRdsObserver::MrroRdsDataPI

     * @see MRadioRdsObserver::MrroRdsDataPTY

     * @see MRadioRdsObserver::MrroRdsDataPS

     * @see MRadioRdsObserver::MrroRdsDataRT

     * @see MRadioRdsObserver::MrroRdsDataRTPlus

     * @see MRadioRdsObserver::MrroRdsDataCT

     * @see MRadioRdsObserver::MrroRdsDataTA

     */

     TInt NotifyRdsDataChange( TRdsData aRdsData );

    /**

     * Cancel NotifyRdsDataChange request.

     *

     * @since S60 3.2

     */

    void CancelNotifyRdsDataChange();

    /**

     * Turn on/off automatic switching of frequency based on Alternate Frequency.

     * This will cause RDS device to search for alternate frequency when the signal strength

     * deteriorates. User should be ready to receive MrroRdsSearchBeginAF and MrroRdsSearchEndAF.

     * Automatic switching is off by default.

     *

     * @since S60 3.2

     * @param aAuto ETrue to turn automatic switching on, EFalse to turn it off.

     * @return A standard system error code.

     * @see MRadioRdsObserver::MrroRdsSearchBeginAF

     * @see MRadioRdsObserver::MrroRdsSearchEndAF

     */

    TInt SetAutomaticSwitching( TBool aAuto );

    /**

     * Find out whether automatic switching is on or off.

     *

     * @since S60 3.2

     * @param aAuto On return, ETrue indicates that automatic switching is enabled.

     * @return A standard system error code.

     */

    TInt GetAutomaticSwitching( TBool& aAuto );

    /**

     * Cancel ongoing search for an Alternate Frequency (AF) with stronger signal.

     *

     * Client can issue this request to interrupt the search indicated with

     * MRadioRdsObserver::MrroRdsSearchBeginAF.

     *

     * @since S60 3.2

     */

    void CancelAFSearch();

    /**

     * Turns on/off automatic switching of frequency based on Traffic Announcement.

     * This will cause RDS device to search for frequencies broadcasting traffic announcement.

     * Client will be notified of frequency change though the tuner event.

     * It's up to the client to return to the previous frequency when the traffic announcement

     * is finished.

     *

     * NOTE: This is only supported in dual tuner configuration since the secondary tuner

     * needs to perform continuous scanning for frequency broadcasting traffic announcement,

     * while the primary tuner is used for normal tuner activities.

     *

     * @since S60 3.2

     * @param aAuto ETrue indicates that automatic switching is on.

     * @return A standard system error code.

     */

    TInt SetAutomaticTrafficAnnouncement( TBool aAuto );

    /**

     * Find out whether automatic traffic announcement is enabled.

     *

     * @since S60 3.2

     * @param aAuto On return, ETrue indicates that automatic traffic announcement is on.

     * @return A standard system error code.

     */

    IMPORT_C TInt GetAutomaticTrafficAnnouncement( TBool& aAuto );

    /**

     * Asynchronous request to find a radio station with the specified Programme Type(PTY),

     * starting from the currently tuned frequency and searching in the direction specified

     * (i.e. up or down). User must be ready to receive callback method MrroStationSeekByPTYComplete

     * The station found is returned in the callback.

     *

     * @since S60 3.2

     * @param aPty The type of programme to search for.

     * @param aSeekUp The direction to search in. Searches upwards if set to ETrue.

     * @see MRadioRdsObserver::MrroStationSeekByPTYComplete

     */

    IMPORT_C void StationSeekByPTY( TRdsProgrammeType aPty, TBool aSeekUp );

    /**

     * Asynchronous request to find a radio station with Traffic Announcement(TA),

     * starting from the currently tuned frequency and searching in the direction specified

     * (i.e. up or down). User must be ready to receive callback method MrroStationSeekByTAComplete

     * The station found is returned in the callback.

     *

     * @since S60 3.2

     * @param aSeekUp The direction to search in. Searches upwards if set to ETrue.

     * @see MRadioRdsObserver::MrroStationSeekByTAComplete

     */

     void StationSeekByTA( TBool aSeekUp );

    /**

     * Asynchronous request to find a radio station with Traffic Programme(TP),

     * starting from the currently tuned frequency and searching in the direction specified

     * (i.e. up or down). User must be ready to receive callback method MrroStationSeekByTPComplete

     * The station found is returned in the callback.

     *

     * @since S60 3.2

     * @param aSeekUp The direction to search in. Searches upwards if set to ETrue.

     * @see MRadioRdsObserver::MrroStationSeekByTPComplete

     */

    void StationSeekByTP( TBool aSeekUp );

    /**

     * Cancels an ongoing retune operation, as initiated by a call to StationSeekByPTY,

     * StationSeekByTA, or StationSeekByTP.

     * The usual callback will not occur if this has been called.

     *

     * @since S60 3.2

     */

     void CancelRdsStationSeek();

    /**

     * Asynchronous request to find all frequencies sending the given Programme Type (PTY).

     * User must be ready to receive callback method MrroGetFreqByPTYComplete.

     *

     * NOTE: This is only supported in dual tuner configuration since the secondary tuner

     * needs to perform continuous scanning for frequencies broadcasting given Programme Type

     * while the primary tuner is used for normal tuner activities.

     * Client should first check the tuner capabilities. Will return KErrNotSupported in

     * callback method if this feature is not supported.

     *

     * @since S60 3.2

     * @param aPty The type of programme to search for

     * @see MRadioRdsObserver::MrroGetFreqByPTYComplete

     */

    void GetFreqByPTY( TRdsProgrammeType aPty );

    /**

     * Cancels an ongoing request to find all frequencies sending a given Programme Type (PTY).

     * The usual callback will not occur if this has been called.

     *

     * @since S60 3.2

     */

     void CancelGetFreqByPTY();

    /**

     * Asynchronous request to find all frequencies sending Traffic Announcement (TA). User must

     * be ready to receive callback method MrroGetFreqByTAComplete.

     *

     * NOTE: This is only supported in dual tuner configuration since the secondary tuner

     * needs to perform continuous scanning for frequencies broadcasting given Traffic Announcement

     * while the primary tuner is used for normal tuner activities.

     * Client should first check the tuner capabilities. Will return KErrNotSupported in

     * callback method if this feature is not supported.

     *

     * @since S60 3.2

     * @see MRadioRdsObserver::MrroGetFreqByTAComplete

     */

     void GetFreqByTA();

    /**

     * Cancels an ongoing request to find all frequencies sending Traffic Announcement.

     * The usual callback will not occur if this has been called.

     *

     * @since S60 3.2

     */

    void CancelGetFreqByTA();

    /**

     * Asynchronous request to find all Programme Service names (PS) sending the given Programme

     * Type (PTY). User must be ready to receive callback method MrroGetPSByPTYComplete.

     *

     * NOTE: This is only supported in dual tuner configuration since the secondary tuner

     * needs to perform continuous scanning for frequencies broadcasting given Programme Type

     * while the primary tuner is used for normal tuner activities.

     * Client should first check the tuner capabilities. Will return KErrNotSupported in

     * callback method if this feature is not supported.

     *

     * @since S60 3.2

     * @param aPty The type of programme to search for

     * @see MRadioRdsObserver::MrroGetPSByPTYComplete

     */

     void GetPSByPTY( TRdsProgrammeType aPty );

    /**

     * Cancels an ongoing request to find all Programme Service names (PS) sending a given

     * Programme Type (PTY). The usual callback will not occur if this has been called.

     *

     * @since S60 3.2

     */

     void CancelGetPSByPTY();

    /**

     * Asynchronous request to find all Programme Service names (PS) sending Traffic Announcement (TA).

     * User must be ready to receive callback method MrroGetPSByTAComplete.

     *

     * NOTE: This is only supported in dual tuner configuration since the secondary tuner

     * needs to perform continuous scanning for frequencies broadcasting given Traffic Announcement

     * while the primary tuner is used for normal tuner activities.

     * Client should first check the tuner capabilities. Will return KErrNotSupported in

     * callback method if this feature is not supported.

     *

     * @since S60 3.2

     * @see MRadioRdsObserver::MrroGetPSByTAComplete

     */

    void GetPSByTA();

    /**

     * Cancels an ongoing request to find all Programme Service names (PS) sending Traffic Announcement.

     * The usual callback will not occur if this has been called.

     *

     * @since S60 3.2

     */

     void CancelGetPSByTA();

    /**

     * Get the current Programme Identification code.

     * RDS data is received over the air and may not be available immediately following

     * tune operation. If data is not available, this function will return KErrNotFound.

     * If a value is returned, this is the last known value, which may not be up to date.

     * To be notified of the most recent value, client should use NotifyRdsDataChange.

     *

     * @since S60 3.2

     * @param aPi On return contains Programme Identification code

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetProgrammeIdentification( TInt& aPi );

    /**

     * Get the current Programme Type.

     * RDS data is received over the air and may not be available immediately following

     * tune operation. If data is not available, this function will return KErrNotFound.

     * If a value is returned, this is the last known value, which may not be up to date.

     * To be notified of the most recent value, client should use NotifyRdsDataChange.

     *

     * @since S60 3.2

     * @param aPty On return contains Programme Type

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetProgrammeType( TRdsProgrammeType& aPty );

    /**

     * Get the current Programme Service name.

     * RDS data is received over the air and may not be available immediately following

     * tune operation. If data is not available, this function will return KErrNotFound.

     * If a value is returned, this is the last known value, which may not be up to date.

     * To be notified of the most recent value, client should use NotifyRdsDataChange.

     *

     * Programme Service name is fixed to 8 characters.

     *

     * @since S60 3.2

     * @param aPs On return contains Programme Service name

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetProgrammeService( TRdsPSName& aPs );

    /**

     * Get the current Radio Text.

     * RDS data is received over the air and may not be available immediately following

     * tune operation. If data is not available, this function will return KErrNotFound.

     * If a value is returned, this is the last known value, which may not be up to date.

     * To be notified of the most recent value, client should use NotifyRdsDataChange.

     *

     * The maximum possible length for radio text is 64 characters.

     *

     * @since S60 3.2

     * @param aRt On return contains Radio Text

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetRadioText( TRdsRadioText& aRt );

    /**

     * Get the current Radio Text+.

     * RDS data is received over the air and may not be available immediately following

     * tune operation. If data is not available, this function will return KErrNotFound.

     * If a value is returned, this is the last known value, which may not be up to date.

     * To be notified of the most recent value, client should use NotifyRdsDataChange.

     *

     * The maximum possible length for radio text+ field is 64 characters.

     *

     * @since S60 3.2

     * @param aRtPlusClass Radio text plus class

     * @param aRtPlusData On return contains Radio Text+ field

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetRadioTextPlus(TRdsRTplusClass aRtPlusClass, TRdsRadioText& aRtPlusData);

    /**

     * Get the current Clock Time and date.

     * RDS data is received over the air and may not be available immediately following

     * tune operation. If data is not available, this function will return KErrNotFound.

     * If a value is returned, this is the last known value, which may not be up to date.

     * To be notified of the most recent value, client should use NotifyRdsDataChange.

     *

     * @since S60 3.2

     * @param aCt On return contains current time and date

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetClockTime( TDateTime& aCt );

    /**

     * Get Traffic Announcement status at the current station.

     *

     * @since S60 3.2

     * @param aTaStatus On return, will be ETrue if current station has ongoing traffic announcement

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetTrafficAnnouncementStatus( TBool& aTaStatus );

    /**

     * Get Traffic Programme status at the current station.

     *

     * @since S60 3.2

     * @param aTpStatus On return, will be ETrue if current station supports traffic programme

     * @return A standard system error code or RDS control error (TRdsControlError).

     */

     TInt GetTrafficProgrammeStatus( TBool& aTpStatus );

private:

    void ConstructL();

    CBody( RRadioSession& aRadioSession, MRadioRdsObserver& aObserver );

private: // data

    // The radio server session

    RRadioSession& iRadioSession;

    // RDS Utility Observer

    MRadioRdsObserver& iRadioRdsUtilityClient;

    // RDS notification reqs

    TRsRdsData iRdsDataReq;

    };

#endif    // C_RADIORDSUTILITY_H

// End of File