// Copyright (c) 2010 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:

//

/**

 @file

 @internalComponent

*/

#ifndef CMTPPLAYBACKCONTROLIMPL_H

#define CMTPPLAYBACKCONTROLIMPL_H

#include <mpxplaybackobserver.h>

#include "mmtpplaybackinterface.h"

#include "mtpplaybackcontrolconst.h"

class MMPXPlaybackUtility;

class CMPXCollectionPath;

class CMPXCollectionPlaylist;

class CMTPPlaybackCommandChecker;

class CMTPPlaybackPlaylistHelper;

class CMTPPlaybackResumeHelper;

class CMTPPlaybackCommand;

class CMTPPbCmdParam;

NONSHARABLE_CLASS( CMTPPlaybackControlImpl ) : public CActive,

                                               public MMPXPlaybackObserver,

                                               public MMPXPlaybackCallback,

                                               public MMTPPlaybackControl

    {

private:

    friend class CMTPPlaybackCommandChecker;

    friend class CMTPPlaybackPlaylistHelper;

    friend class CMTPPlaybackResumeHelper;

public: // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CMTPPlaybackControlImpl* NewL( MMTPPlaybackObserver& aObserver );

    /**

    *  Frees resource, and destroy the object itself.

    */

    void Close();

    /**

     * Destructor.

     */

    virtual ~CMTPPlaybackControlImpl();

public:    

    /**

     * From MMTPPlaybackControl

     * @param aCmd, refer to CMTPPlaybackCommand

     * @param aCallback, refer to MMTPPlaybackCallback

     */

    void CommandL( CMTPPlaybackCommand& aCmd, 

            MMTPPlaybackCallback* aCallback = NULL);

private:

    /**

     * From MMPXPlaybackObserver

     * See mpxplaybackobserver.h for detailed description.

     */

    void HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError );

    /**

     * From MMPXPlaybackCallback

     * See mpxplaybackobserver.h for detailed description.

     */

    void HandlePropertyL( TMPXPlaybackProperty aProperty, TInt aValue, TInt aError );

    /**

     * From MMPXPlaybackCallback

     * See mpxplaybackobserver.h for detailed description.

     */

    void HandleSubPlayerNamesL( TUid aPlayer, const MDesCArray* aSubPlayers, TBool aComplete, TInt aError );

    /**

     * From MMPXPlaybackCallback

     * See mpxplaybackobserver.h for detailed description.

     */

    void HandleMediaL( const CMPXMedia& aMedia, TInt aError );

private:// From CActive

    /**

     * DoCancel.

     */

    void DoCancel();

    /**

     * RunL.

     */

    void RunL();

private:

    /**

     * C++ default constructor.

     */

    CMTPPlaybackControlImpl( MMTPPlaybackObserver& aObserver );

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL();

private:

    /**

     * Get Playlist from collection complete..

     */

    void GetPlaylistFromCollectionCompleteL( const CMPXCollectionPlaylist& aPlaylist );

    /**

     * Deactive other player so that we can play

     */

    void DeActiveOtherPlayerL();

    /**

     * Check playback command and cache

     */

    void CheckPlaybackCmdAndCacheL( CMTPPlaybackCommand& aCmd );

    /**

     * UpdateCommandArrary

     */

    void UpdateCommandArray();

    /**

     * Require current media

     */

    void RequestMediaL();

    /**

     * Handle commandL

     */

    void DoCommandL();

    /**

     *  Handle playback message

     *

     *  @param aMessage playback message

     */

    void DoHandlePlaybackMessageL( const CMPXMessage& aMessage );

    /**

     *  Handle playback property

     *

     *  @param aProperty the property

     *  @param aValue the value of the property

     */

    void DoHandlePropertyL( TInt aProperty, TInt aValue );

    /**

     *  Handle playback state changed.

     *

     *  @param aState New Playback state

     */

    void DoHandleStateChangedL( TMPXPlaybackState aState );

    /**

     *  Handle request media.

     */

    void DoHandleMediaL( const CMPXMedia& aMedia );

    /**

     *  Handle Media changed.

     *

     */

    void DoHandleMediaChangedL();

    /**

     *  Handle Initialize Complete.

     *

     */

    void DoHandleInitializeCompleteL();

    /**

     *  Handle error.

     *

     */

    void DoHandleError( TInt aErr );

    /**

     * Compare two path

     * @param aPathBase the base path

     * @param aPathNew the new path

     * @param aLevel compare level

     */

    TBool IfEqual( const CMPXCollectionPath& aPathBase, const CMPXCollectionPath& aPathNew, TUint aLevel );

    /**

    *  Map states from TMPXPlaybackState to TMPlayerState

    *

    *  @param aState State in TMPXPlaybackState format

    *  @return State in TMPlayerState format

    */

    TMTPPlaybackState MapState( TMPXPlaybackState aState );

    /**

    *  Map error from TInt to the error defined in interface

    */

    TInt MapError( TInt error );

    /**

     *Complete a sync request

    */

    void CompleteSelf( TInt aCompletionCode );

    /*

     * Initiate MPX Playback Command

     */

    void InitiateMPXPlaybackCommandL( TMPXPlaybackCommand aCommand, TBool aIsMTPPlaybackUtility );

    /*

     * SendMPXPlaybackCommandL

     */

    void SendMPXPlaybackCommandL( TMPXPlaybackCommand aCommand, TBool aIsMTPPlaybackUtility );

    /*

     * SendPlaybackCommandCompleteL

     */

    void SendPlaybackCommandCompleteL();

    /*

     * SendPlaybackEventL

     */

    void SendPlaybackEventL( TMTPPlaybackEvent aEvt );

    /**

     * Reset playback command

     */

    void ResetPlaybackCommand();

private:

    /**

     * return current state.

     */

    TMPXPlaybackState CurrentState() const;

    /**

     * return previous state.

     */

    TMPXPlaybackState PreviousState() const;

    /**

     * return song count.

     */

    TInt32 SongCount() const;

    /**

     * return song index.

     */

    TInt32 SongIndex() const;

    /**

     * Cache mtp playback command.

     */

    void SetMTPPBCmd( TMTPPlaybackCommand aMTPPBCmd );

    /**

     * return mtp playback command.

     */

    TMTPPlaybackCommand MTPPBCmdHandling() const;

private:

    MMTPPlaybackObserver*        iObserver;// Not owned

    MMTPPlaybackCallback*        iCallback;// Not owned

    MMPXPlaybackUtility*         iPlaybackUtility;// Owned

    MMPXPlaybackUtility*         iNowActivePlaybackUtility;// Owned

    CMTPPlaybackCommandChecker*  iPlaybackCommandChecker;//Owned

    CMTPPlaybackPlaylistHelper*  iPlaybackPlaylistHelper;//Owned

    CMTPPlaybackResumeHelper*    iPlaybackResumeHelper;

    CMPXCollectionPlaylist*      iPlayList;   //Owned

    RResumeCmdArray              iPrepareCmdArray;//Owned

    RResumeCmdArray              iResumeCmdArray;//Owned

    CMTPPbCmdParam*              iCmdParam;

    TMTPPlaybackCommand          iMTPPBCmd;

    TMPXPlaybackState            iPreState;

    TMPXPlaybackState            iState;

    };

#endif // CMTPPLAYBACKCONTROLIMPL_H

// End of File