/*

* Copyright (c) 2002-2007 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:  This class is used for playing URL videos

*

*/

#ifndef CMMAVIDEOURLPLAYER_H

#define CMMAVIDEOURLPLAYER_H

//  INCLUDES

#include "cmmavideoplayer.h"

#include "mmmaguiplayer.h"

#include <es_sock.h>

// FORWARD DECLARATIONS

class CMMAEventSource;

//  CLASS DECLARATION

/**

*   This class is used for playing video.

*

*

*/

class CMMAVideoUrlPlayer: public CMMAVideoPlayer

{

protected:

    /**

     * Protected abstract base class for url player delegates.

     */

    class CMMAVideoUrlPlayerDelegate : public CBase

    {

    public:

        virtual ~CMMAVideoUrlPlayerDelegate();

    protected:

        /**

         * C++ constructor

         */

        CMMAVideoUrlPlayerDelegate(CMMAVideoUrlPlayer& aPlayer);

    public:

        /**

         * Handles StartL call for url player.

         */

        virtual void StartL(TBool aPostEvent) = 0;

        /**

         * Handles StopL call for url player.

         *

         * @param aPostEvent post event to Java side

         */

        virtual void StopL(TBool aPostEvent) = 0;

        /**

         * Gets media time for url player.

         *

         * @param aMediaTime When method returns parameter contains the media

         * time.

         */

        virtual void GetMediaTime(TInt64* aMediaTime) = 0;

        /**

         * Handles events for url player.

         *

         * @param aEvent event type

         */

        virtual void HandleEvent(const TMMFEvent& aEvent) = 0;

    protected: // data

        CMMAVideoUrlPlayer& iPlayer;

    };

    /**

     * Delegate class for non-live video streams

     */

    class CMMAVideoUrlPlayerClipStreamDelegate :

            public CMMAVideoUrlPlayerDelegate

    {

    public:

        CMMAVideoUrlPlayerClipStreamDelegate(CMMAVideoUrlPlayer& aPlayer);

        virtual ~CMMAVideoUrlPlayerClipStreamDelegate();

    public: // from CMMAVideoUrlPlayerDelegate

        void StartL(TBool aPostEvent);

        void StopL(TBool aPostEvent);

        void GetMediaTime(TInt64* aMediaTime);

        void HandleEvent(const TMMFEvent& aEvent);

    };

    /**

     * Delegate class for live video streams

     */

    class CMMAVideoUrlPlayerLiveStreamDelegate :

            public CMMAVideoUrlPlayerDelegate

    {

    public:

        static CMMAVideoUrlPlayerLiveStreamDelegate*

        NewL(CMMAVideoUrlPlayer& aPlayer);

        virtual ~CMMAVideoUrlPlayerLiveStreamDelegate();

    protected:

        CMMAVideoUrlPlayerLiveStreamDelegate(CMMAVideoUrlPlayer& aPlayer);

        void ConstructL();

    public: // from CMMAVideoUrlPlayerDelegate

        void StartL(TBool aPostEvent);

        void StopL(TBool aPostEvent);

        void GetMediaTime(TInt64* aMediaTime);

        void HandleEvent(const TMMFEvent& aEvent);

    private: // data

        CActiveSchedulerWait* iActiveSchedulerWait;

        /**

         * RTSP live stream returns current media time

         * from the server, but local media time must

         * start from zero. Thus start media time is

         * cached here.

         */

        TInt64 iMediaStartTime;

        /**

         * Hold player stop time value. It is otherwise

         * forgotten when player is stopped.

         */

        TInt64 iStoppedAtTime;

    };

public: // Construction

    static CMMAVideoUrlPlayer* NewLC(

        CMMAMMFResolver* aResolver,

        const TDesC& aUrl);

    //   Destructor

    IMPORT_C ~CMMAVideoUrlPlayer();

protected:

    //   C++ constructor

    IMPORT_C CMMAVideoUrlPlayer(CMMAMMFResolver* aResolver);

    IMPORT_C void ConstructL(const TDesC& aUrl);

public: // from CMMAPlayer

    IMPORT_C void RealizeL();

    IMPORT_C void PrefetchL();

    IMPORT_C void StartL(TBool aPostEvent);

    IMPORT_C void StopL(TBool aPostEvent);

    IMPORT_C void GetMediaTime(TInt64* aMediaTime);

    IMPORT_C void DeallocateL();

    IMPORT_C void CloseL();

protected: // New Methods

    void FindActiveIap(const TUint aConnectionCount, TUint& aActiveIap);

    virtual TBool IsLiveStreamL();

    /**

     * Handles events from delegate classes to

     * superclass HandleEvent.

     *

     * @param aEvent event data

     */

    void HandleEventToParent(const TMMFEvent& aEvent);

protected: // From CMMAVideoPlayer

    IMPORT_C void HandleEvent(const TMMFEvent& aEvent);

protected: // Data

    HBufC* iUrl; // Owned url

    RConnection iConnection;

    RSocketServ iSocketServ;

    TThreadPriority iOrigPriority;

    CMMAVideoUrlPlayerDelegate* iPlayerDelegate;

};

#endif // CMMAVIDEOURLPLAYER_H