/*

* Copyright (c) 2007 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:   Class for preview audio and video

*

*/

#ifndef MEDIAFILEPREVIEW_H

#define MEDIAFILEPREVIEW_H

#include "mediafiledialogutils.h"

//  INCLUDES

#include <e32base.h>

#include <DrmAudioSamplePlayer.h>

#include <mdaaudiotoneplayer.h>

#include <videoplayer.h>

#include <centralrepository.h>

#include <apgcli.h>  // for RApaLsSession

#include <e32property.h>

// CONSTANTS

//	FORWARD DECLARATIONS

class C3DRingingToneInterface;

class RWindow;

/**

* MPreviewHandlerObserver

* 

* For observing media file preview events.

*

*/

NONSHARABLE_CLASS (MPreviewHandlerObserver)

	{

    public:

    enum TPreviewHandler

        {

        EVideoPreviewComplete,

        EAudioPreviewComplete,

        EPreviewError

        };

	public:

		virtual void HandlePreviewEventL( TInt aEvent, TInt aError ) = 0;

	};

/**

* CMFPreviewHandlerBase

*

* Base class for CMFAudioPreviewHandler and CMFVideoPreviewHandler.

*/

NONSHARABLE_CLASS (CMFPreviewHandlerBase) : public CBase

    {

    public:

        enum TPlayerStatus

            {

            EPlayerNotCreated,

            EPlayerInitializing,

            EPlayerReady,

            EPlayerPlaying,

			EPlayerInitialized,

			EPlayerPlayingWith3DEffect

            };

        // these must match with the ones in Profile Engine

        enum TRingingTypes

            {

            ERingingTypeRinging = 0,

            ERingingTypeAscending,

            ERingingTypeRingOnce,

            ERingingTypeBeepOnce,

            ERingingTypeSilent

            };

		enum TFLAllowScreenSaver

			{

			EFLScreenSaverAllowed = 0,

			EFLScreenSaverNotAllowed

			};

    protected:// Constructors and destructor

        /**

        * Destructor.

        */

        virtual ~CMFPreviewHandlerBase();

    protected:

        /**

        * C++ default constructor.

        */

        CMFPreviewHandlerBase();

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

	public:

		void SetAttrL( TInt aAttr, TInt aValue );

		void SetAttrL( TInt aAttr, const TDesC& aValue );

		void SetAttrL( TInt aAttr, TAny* aValue );

		TInt Attr( TInt aAttr );

		void SetObserver( MPreviewHandlerObserver* aObserver );

        virtual void PlayL() = 0;

        virtual void Stop() = 0;

        virtual TBool IsPlaying() = 0;

    protected:

        TInt ConvertVolume( TInt aVolume );

        void ReadActiveProfileL();

        TInt GetDataType( const TDesC& aFileName, TDataType& aDataType );

        void ReadDefaultToneL();

        void Panic( TInt aReason );

        void EnableScreenSaver( TBool aEnable );

        void DisableBackLight();

        static TInt DoResetInactivityTimer( TAny* aObject );

    protected:

        TInt RingingVolume();

        TInt RingingType();

        TInt Vibra();

        TInt Echo3D();

        TInt Effect3D();

    protected:

        static TInt ConvertVolume( TInt aVolume, TInt aMaxVolume );

        static TBool IsCallOngoing();

    protected:

        TInt iRingingVolume;

        TInt iRingingType;

        TInt iVibra;

        TInt i3DEffect;

        TInt i3DEcho;

        TInt iMediaType;

        TInt iFileSize;

        HBufC* iFullName;

        TBool iActiveProfileRead;

        TInt iActiveProfileRingingVolume;

        TInt iActiveProfileRingingType;

        TInt iActiveProfileVibra;

        TInt iActiveProfile3DEffect;

        TInt iActiveProfile3DEcho;

        MPreviewHandlerObserver* iObserver;

        TInt iPlayerStatus;

        // handle to window

        RWindow* iWindow;  // does not own

        // for getting file MIME types

        RApaLsSession iApaSession;

        // for setting screensaver on/off

        RProperty iProperty;

        // default ringing tone

        TFileName iDefaultTone;

        // file server session

        //RFs iFsSession;

        /**

		* Timer for resetting the user inactivity timeout

		*/

		CPeriodic* iBacklightTimer;

    };

/**

* CMFVideoPreviewHandler

* 

* For previewing video files.

*/

NONSHARABLE_CLASS (CMFVideoPreviewHandler) : public CMFPreviewHandlerBase,

                                             public MVideoPlayerUtilityObserver

    {

    public:// Constructors and destructor

        /**

        * Two-phased constructor.

        */

		static CMFVideoPreviewHandler* NewL();

        /**

        * Destructor.

        */

        virtual ~CMFVideoPreviewHandler();

    private:

        /**

        * C++ default constructor.

        */

        CMFVideoPreviewHandler();

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

	public:

        void PlayL();

        void Stop();

        TBool IsPlaying();

        void SetDisplayWindowL();

    private:

        TInt VolumeRamp();

        void SetRingingType( TInt aRingingType );

        TInt ConvertVolume( TInt aVolume );

        void Cancel();

        void GetRectData( TRect aRect, TDes& aText );

    private:

        static TInt VolumeRampTimerCallback( TAny* aObj );

	private:	// from MVidePlayerUtilityObserver

		void MvpuoOpenComplete( TInt aError );

		void MvpuoFrameReady( CFbsBitmap& aFrame, TInt aError );

		void MvpuoPlayComplete( TInt aError );

		void MvpuoEvent( const TMMFEvent& aEvent );

		void MvpuoPrepareComplete( TInt aError );

    private:

    	//  video player

    	CVideoPlayerUtility* iVideoPlayer;

        // ascending volume timer

        CPeriodic* iVolumeRampTimer;

        // Ascending volume

        TInt iRampedVolume;

    };

/**

* CMFAudioPreviewHandler

* 

* For previewing audio files (tones, music and recordings).

*

*/

NONSHARABLE_CLASS (CMFAudioPreviewHandler) : public CMFPreviewHandlerBase,

                                        public MDrmAudioPlayerCallback,

                                        public MMdaAudioToneObserver

    {

    public:// Constructors and destructor

        /**

        * Two-phased constructor.

        */

		static CMFAudioPreviewHandler* NewL();

        /**

        * Destructor.

        */

        virtual ~CMFAudioPreviewHandler();

    private:

        /**

        * C++ default constructor.

        */

        CMFAudioPreviewHandler();

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

	public:

        void PlayL();

        void Stop();

        TBool IsPlaying();

    private:

        void Cancel();

        void SetAudioRingingType( TInt aRingingType );

        void SetToneRingingType( TInt aRingingType );

        TInt ConvertVolume( TInt aVolume );

    private:  // from MMdaAudioToneObserver

	    virtual void MatoPrepareComplete( TInt aError );

	    virtual void MatoPlayComplete( TInt aError );

    private:  // from MDrmAudioPlayerCallback

        void MdapcInitComplete( TInt aError, const TTimeIntervalMicroSeconds& aDuration );

        void MdapcPlayComplete( TInt aError );

    private:

        // audio player

        CDrmPlayerUtility* iAudioPlayer;

		/// Audioplayer status

        TPlayerStatus iAudioPlayerStatus;

		/// toneplayer

        CMdaAudioToneUtility* iTonePlayer;

		/// Toneplayer status

        TPlayerStatus iTonePlayerStatus;

        // plugin for playing 3D effects

        C3DRingingToneInterface* i3dRingingTonePlugin;

    };

#endif  // MEDIAFILEPREVIEW_H

// End of File