/*

* Copyright (c) 2002 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 provides CJavaEventSource services

*

*/

#ifndef CMMAEVENTSOURCE_H

#define CMMAEVENTSOURCE_H

//  INCLUDES

#include "mmmaeventposter.h"

//#include <jutils.h>

#include "functionserver.h"

#include "legacyeventserverwrapper.h"

#include <logger.h>

// FORWARD DECLARATIONS

class CApaWindowGroupName;

class CMMAPlayer;

class MMMAPlayerInstanceObserver;

#ifdef RD_JAVA_VOLUME_CONTROL

class CMMAGlobalVolume;

#endif // RD_JAVA_VOLUME_CONTROL

//  CLASS DECLARATION

/**

*   This class provides CJavaEventSource services.

*

*

*/

class MMAFunctionServer : public java::util::FunctionServer,public LegacyEventServerWrapper,

        public MMMAEventPoster

{

public:

    /**

     * Default constructor.

     */

    MMAFunctionServer(JNIEnv& aJni, jobject aPeer);

    /**

     * Destructor.

     */

    ~MMAFunctionServer();

public: // From CJavaEventSource, construction

    /**

     * Normal construction, Invoked from base class.

     * Method is defined in the base class.

     */

    void ConstructL(JNIEnv& aJni,

                    jobject /*aPeer*/

                    );

    /**

     * Server side construction.

     */

    void ConstructSvrL();

    static TInt NewL(JNIEnv& aJni, jobject aPeer);

		void Dispose();

    TBool IsDisposed() const

    {

        return iDisposed;

    }    

public: // new methods

    /**

     * Adds object to cleanup. Added objects are deleted when event source

     * is deleted.

     *

     * @param aEventSource Event source to use.

     * @param aHandle Java handle to CBase object

     */

    IMPORT_C static void StaticAddObjectFromHandleL(MMAFunctionServer* aEventSource,

            TInt aHandle);

    /**

     * Adds player object to cleanup. Added objects are deleted when event

     * source is deleted. An object added to the event source must be

     * deleted with DisposePlayer method.

     *

     * @param aEventSource Event source to use.

     * @param aHandle Java handle to CBase object

     */

    void AddPlayerL(CMMAPlayer* aPlayer);

    /**

     * Removes player from array and deletes it.

     *

     * @param aPlayer Player to be deleted.

     */

    void DisposePlayer(CMMAPlayer* aPlayer);

    /**

     * Sets player instance observer.

     * @param aObserver Will be informed when player is created or deleted.

     */

    IMPORT_C void SetPlayerInstanceObserver(MMMAPlayerInstanceObserver* aObserver);

    /**

     * Return reference to the array containing all players.

     * @return All players

     */

    IMPORT_C RPointerArray< CMMAPlayer >& Players();

    /**

     * Realeases resources.

     */

    void Release();

    /**

     * Returns player pointer for java player handle if the native player

     * peer exists. Otherwise returns null.

     * @param aPlayerHandle Java side player handle integer

     * @param CMMAPlayer* player pointer

     */

    CMMAPlayer* FindPlayer(TInt aPlayerHandle);

    /**

     * Sets MMA global volume handler

     * @param aGlobalVolume Global volume handler. The onwership is

     *        transferred to this class

     */

#ifdef RD_JAVA_VOLUME_CONTROL

    void SetGlobalVolume(CMMAGlobalVolume* aGlobalVolume);

#endif // RD_JAVA_VOLUME_CONTROL

		 java::util::FunctionServer* getFunctionServer() const;

		 JNIEnv* getValidJniEnv();

    	 jobject getPeer();

private:

    /**

     * @see StaticAddObjectFromHandleL

     * @param aHandle Java handle to CBase object

     */

    void AddObjectFromHandleL(TInt aHandle);

private: // from CJavaEventSource

    void FinalizeSvr();

public: // MMMAEventPoster

    void PostEvent(CMMAEvent* aEvent, TInt aPriority);

private:

    bool mVmAttached;

    java::util::FunctionServer* iServer;

private:

    /**

     * Objects added with StaticAddObjectFromHandleL. Will be destroyed

     * in server finalization.

     */

    RPointerArray< CBase > iObjects;

    // Owned array of players.

    RPointerArray< CMMAPlayer > iPlayers;

    /**

     * MMA needs ui framework. Window group must be hidden from the

     * user.

     */

    CApaWindowGroupName*    iWgName;

    /**

     * Used to check if session was connected in the constructor.

     */

    TBool iFbsSessionConnected;

    TBool iDisposed;

    // Not owned. Will be informed if it is set.

    MMMAPlayerInstanceObserver* iInstanceObserver;

    JavaVM* iJavaVM;

    // Global volume handler. Owned

#ifdef RD_JAVA_VOLUME_CONTROL

    CMMAGlobalVolume* iGlobalVolume;

#endif // RD_JAVA_VOLUME_CONTROL

};

#endif // CMMAEVENTSOURCE_H