/*

* Copyright (c) 2002-2005 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:  Active object which implements ringing tone functionality

*

*/

#ifndef __PHONERINGINGTONESRVPLAYERAO_H

#define __PHONERINGINGTONESRVPLAYERAO_H

// INCLUDES

#include <e32base.h>

#include <Profile.hrh>

#include "mphoneaudioplayerobserver.h"

#include "mphonetimer.h"

#include "cphoneaudioplayer.h"

// FORWARD DECLARATIONS

class RFs;

class CPhoneTimer;

class CMdaServer;

class CPhoneRingingTone;

// CLASS DECLARATION

class CPhoneRingingToneSrvPlayerAO : 

    public CActive,

    private MPhoneAudioPlayerObserver,

    private MPhoneTimer

    {

    public:

        // States for this active object

        enum TState

            {

            EIdleState,

            EDeletingAudioPlayer

            };

    public:

        /**

        * Two-phased constructor.

        * @return new instance.

        */

        static CPhoneRingingToneSrvPlayerAO* NewL( RFs &aFs );

        /**

        * Destructor.

        */

        ~CPhoneRingingToneSrvPlayerAO();

        /**

        * Play audio ring tone. 

        * @param aVolume Volume used to play the ringing tone.

        * @param aRingingType Ringing type.

        * @param aMessage Message from Client.

        * @return ETrue if the client message should not be completed.

        */

        TBool PlayAudioRingTone( 

            TInt aVolume, 

            TProfileRingingType aRingingType,

            const RMessage2& aMessage );

        /**

        * Play default tone.

        * @param aVolume volume used for the playing.

        * @param aRingingType ringing type.

        */

        void PlayDefaultTone( 

            TInt aVolume, 

            TProfileRingingType aRingingType );

        /**

        * Play backup tone.

        * @param aVolume volume used for the playing.

        * @param aRingingType ringing type.

        */

        void PlayBackupTone( 

            TInt aVolume, 

            TProfileRingingType aRingingType );

        /**

        * Playing the Beep once.

        * @param aVolume volume used to play the ringing tone.

        */

        void BeepOnce( TInt aVolume );

        /**

        * Play silent tone. No_sound.wav will be played. If vibration alert

        * is ON, it will vibrate.

        */

        void PlaySilentTone();

        /**

        * Play unsecure VoIP tone.

        * Play tone if secure call fails and call is changed to unsecure call.

        */

        void PlayUnsecureVoIPTone();

        /**

        * Stops playing the ringing tone.

        * Method does not do anything if ringing tone is not playing.

        */

        void StopPlaying();

        /**

        * Mutes ringing tone.

        */

        void MuteRingingTone();

        /**

        * Play TTS tone simultaneously with Personal or Default tones.

        * This method does not command phone to play TTS immediately. Instead 

        * it registers a request to play TTS, when Personal or default tones 

        * are played.

        *

        * @since Series 60 3.0

        * @param aTextToSay Text, that should be pronounced by the 

        * Text-To-Speech engine. This is normal descriptor, no UTF-8 

        * and no "(tts)" prefix

        * @param aVolume Volume for the TTS-tone, Does not effect the volume 

        * of the normal tone, that will be played simulteneously with the TTS

        * @param aRingingType ringing type.

        */

        void PlayTtsTone(

            const TDesC& aTextToSay,

            TInt aVolume,

            TProfileRingingType aRingingType );

        /**

        * Checks if extended security required.

        * @since Series 60 3.1

        * @return ETrue if extended security is required.

        */

        TBool ExtendedSecurity() const;

    public:

        /**

        * Sets extended security required flag.

        * @param aNeeded Extended security required.

        */

        void SetExtendedSecurityNeeded( TBool aNeeded );

        /**

        * Sets extended security required flag.

        * @param aLimit Extended security required.

        */

        void SetToneFileSizeLimit( TInt aLimit );

        /**

        * Sets default ringing tone.

        * @param aFilename Ringing tone.

        */

        void SetDefaultRingingToneL( const TDesC& aFilename );

        /**

        * Sets ringing tone.

        * @param aFilename Ringing tone.

        */

        void SetRingingToneL( const TDesC& aFilename );

    private:

        /**

        * Handle the error of audio file player.

        * @param aEvent The error event happend in initializing or playing.

        * @param aError The error code return by audio server. Observer can 

        *               handle  these two error code for recoverable 

        *               and unrecoverable errors.

        * @param aId Indicate which audio player is out of working.

        */

        virtual void HandleAudioPlayerError( 

            TPhoneAudioPlayerErrorEvent aEvent, 

            TInt aError, 

            TInt aId = KPhoneAudioPlayerNotSpecified );

        /**

        * Handle audio player initialize complete.

        * @param aId Indicate which audio player is out of working.

        */

        virtual void HandleAudioPlayerInitComplete(

            TInt aId = KPhoneAudioPlayerNotSpecified );

        /**

        * Handle audio file playing complete successfully.

        * @param aId Indicate which audio player is out of working.

        */

        virtual void HandlePlayingComplete( 

            TInt aId = KPhoneAudioPlayerNotSpecified );

        /**

        * @see MPhoneTimer

        */

        virtual void HandleTimeOutL();

        /** 

        * Enumerates identifiers for each player:

        * EPlayerAudio - audio

        * EPlayerBeepOnce - beep once

        * EPlayerSilent - silent

        * EPlayerUnsecureVoIP - unsecure VoIP

        * EPlayerDefault - default

        * EPlayerBackup - backup

        *

        * EPlayerFirst and EPlayerLast are alias

        * to other identifiers.

        * EPlayerFirst - first player

        * EPlayerLast - last player

        */

        enum TPlayerId

            {

            EPlayerFirst,

            EPlayerAudio = EPlayerFirst,

            EPlayerBeepOnce,

            EPlayerSilent,

            EPlayerUnsecureVoIP,

            EPlayerDefault,

            EPlayerBackup,

            EPlayerTts, 

            EPlayerLast = EPlayerTts,

            EPlayerCount

            };

        /**

        * Enumerates how many times TTs is played

        * ESaidOnce -once

        * ESaidTwice twice 

        */

        enum TTtsStatus

            {

            ESaidOnce,

            ESaidTwice

            };

        /**

        * C++ default constructor.

        */

        CPhoneRingingToneSrvPlayerAO( RFs& aFs );

        /**

        * Symbian 2nd phase constructor.

        */

        void ConstructL();

        /**

        * Do construct tone.

        * @param aRingingTone Ringing tone.

        * @param aId Indicates the audio player.

        * @return The instance of the player. NULL is returned if it's failed.

        */

        CPhoneAudioPlayer* ConstructTonePlayer( 

            const CPhoneRingingTone& aRingingTone,

            TInt aId );

        /**

        * Handle audio player error.

        * @param aDelete ETrue if deletion of the player allowed, 

        *                EFalse otherwise.

        * @param aSync ETrue if synchronous deletion of players is allowed,

        *              EFalse otherwise.

        */

        void DoHandlePlayerError(

            TBool aDelete,

            TBool aSync );

        /**

        * Convert ringing type from PhoneAppEnging to the ringing type in 

        * CPhoneAudioPlayer.

        * @param aRingingType the ringing type form PhoneAppEngine.

        * @return ringing type of CPhoneAudioPlayer.

        */

        CPhoneAudioPlayer::TRingingType ConvertRingingType(

            TProfileRingingType aRingingType );

        /**

        * Construct media server and backup tone player.

        */

        TInt ConstructPlayers();

        /**

        * Construct media server and backup tone player.

        */

        void ConstructPlayersL();

        /**

        * Construct sequence players.

        * @param aPlayer player to be constructed.

        */

        void ConstructSequencePlayer(

            TPlayerId aPlayer );

        /**

        * Construct sequence players.

        * @param aPlayer player to be constructed.

        */

        void ConstructSequencePlayerL(

            TPlayerId aPlayer );

        /**

        * Cleanup players.

        */

        void CleanupPlayers();

        /**

        * Deletes player asynchronoysly.

        * @param aPlayer player to be deleted.

        */

        void DeletePlayerAsync(

            TPlayerId aPlayer );

        /**

        * @see CActive::RunL.

        */

        void RunL();

        /**

        * @see CActive::DoCancel.

        */

        void DoCancel();

        /**

        * Wrapper of DoHandleTtsDelayTimeout, that can be used as TCallback. 

        * Immediately passes control to DoHandleTtsDelayTimeout method.

        * @since Series 60 3.0

        * @param aObject Object to call DoHandleTtsDelayTimeout() on, 

        *        instance of CPhoneRingingTonePlayer.

        * @return KErrNone.

        */

        static TInt HandleTtsDelayTimeout( TAny* aObject );

        /**

        * It is called after TTS delay elapsed. Starts playing TTS.

        */

        void DoHandleTtsDelayTimeout();

        /**

        * Checks if TTS component should be played for the current ringtone 

        * playback and initializes the TTS playback. This method is to be 

        * called from within PlayXXXXTone methods

        * @since Series 60 3.0

        * @param aRingingType ringing type

        */

        void AddTtsPlaybackIfNeeded( TProfileRingingType aRingingType );

        /**

        * Returns currently active player which is used wit TTS player.

        * @return pointer to CPhoneAudioPlayer.

        */

        CPhoneAudioPlayer* GetCurrentlyActiveAudioPlayerWithTTs(); 

        /**

        * TTs cases only. Calculates new volume and ramptimes

        * for Ascending TTS ringing case and normal TTS ringing case.

        * @param aStatus -status of TTs player.

        */ 

        void SolveNewVolumeAndRamptime( TTtsStatus aStatus ); 

        /**

        * Retarts currently active ringingtone player.

        */

        void ReStartRingingTonePlayer();

         /**

         * Checks if ringing tone file's size is larger than the size limit.

         * If size limit is exceeded, default tone is played instead.

         * @since 3.1

         * @param aRingingTone  Tone to check.

         * @return EFalse if the limit was exceeded and thus default tone played.

         *         ETrue  if tone file's size was valid and the checked tone 

         *                can be played.

         */

        TBool CheckAndHandleToneSizeLimit( CPhoneRingingTone* aRingingTone );

         /**

         * Checks if ringing tone file's size is larger than the size limit.

         * @since 3.1

         * @param aFile   File to check.

         *        aSizeLimitKB  the size limit in kB is set to this variable.

         * @return KErrNone        if the file can be used as a ringing tone.

         *         KErrTooBig        if the file size limit is exceeded.

         *         Other error value if error happened during size checking.

         */

        TInt CheckToneFileSize( const TDesC& aFile, TInt aSizeLimitKB );

        /**

        * Returns currently active audio player.

        * @return Currently active audio player or NULL if none active.

        */

        CPhoneAudioPlayer* ActiveAudioPlayer();

    private:    // Data

        // Handle to file server

        RFs &iFs;

        // Audio ring tone player. Memory allocated during construction.

        // After constructed, no leave may be caused during audio playing

        CPhoneAudioPlayer* iAudioPlayer;

        // Audio player for beep once.

        CPhoneAudioPlayer* iBeepOncePlayer;

        // Audio player for silent tone.

        CPhoneAudioPlayer* iSilentPlayer;

        // Audio player for unsecure VoIP tone.

        CPhoneAudioPlayer* iUnsecureVoIPTonePlayer;

        // Default player.

        CPhoneAudioPlayer* iDefaultPlayer;

        // Tts player.

        CPhoneAudioPlayer* iTtsPlayer;

        // Backup ringing tone. Incase all default player failed.

        CPhoneAudioPlayer* iBackupPlayer;

        // Default ringing tone

        CPhoneRingingTone* iDefaultRingingTone;

        // Media server.

        CMdaServer* iMdaServer;

        // Indicate which tone is playing or need to be played:

        // EIdle - idle,

        // EAudioTonePlaying - audio playing,

        // EBeepOnce - beep once playing,

        // ESilentTonePlaying - silent tone playing,

        // EDefaultTonePlaying - default tone playing,

        // EBackupTonePlaying - backup tone playing,

        enum TTonePlayingStatus

            {

            EIdle,

            EAudioTonePlaying,

            EBeepOnce,

            ESilentTonePlaying,

            EUnsecureVoIPTonePlaying,

            EDefaultTonePlaying,

            EBackupTonePlaying

            };

        // Current playing status.

        TTonePlayingStatus iTonePlayingStatus;

        // True if Tts is currently playing. Is different from 

        // iTonePlayingStatus, because TTS is played in

        // parallel with the other tone types

        TBool iTtsTonePlaying;

        // Index of the TTS delay that is "executed" currently or is to be 

        // "executed" after the current playing of the TTS tone. Is zero based

        TInt iTtsDelayIndex;

        // True if TTS tone should be played when the next playing of the 

        // default or personal tone is fired.

        TBool iTtsToneToBePlayed;

        // Normal ringing tone

        CPhoneRingingTone* iAudioVideoRingingTone;

        // Volume for backup tone playing.

        TInt iVolume;

        // Volume of the text pronounced by the TTS engine

        TInt iTtsVolume;

        // Ringing type for backup tone playing.

        TProfileRingingType iRingingType;

        // Timer.

        CPhoneTimer* iTimer;

        // Timer, that tracks delays before playing TTS

        CPhoneTimer* iTtsDelayTimer;

        // Number of times TTS tone should be played for the CURRENT ringtone

        // If ringing tone is to be played just once, iTtsDelayCount == 1,

        // otherwise iTtsDelayCount == KTtsDelayCount

        TInt iTtsDelaysCount;

        // Player to be deleted asynchronously.

        RPointerArray<CPhoneAudioPlayer> iAsyncDeletePlayers;

        // DRM extend security

        TBool iExtSecNeeded;

        // State of this active object

        TState iState;

        // RingingType for TtsPlayer only.

        TProfileRingingType iTtsRingingType;

        // Counter for TTs timeouts

        TInt iTTsTimeOutCounter;

        // Voice call ringing tone file size max value.

        TInt iToneFileSizeLimitKB; 

        // Client message.

        RMessage2 iClientMessage;

    };

#endif //__PHONERINGINGTONESRVPLAYERAO_H