devsoundextensions/drmaudioplayer/DRMPlayServer/inc/DRMPlaySession.h
author hgs
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/*
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* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   DRM Play Session
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*
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*/
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#ifndef __CDRMPLAYSESSION_H
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#define __CDRMPLAYSESSION_H
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#include <e32base.h>
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#include <e32cons.h>
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#include <f32file.h>
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#include "DRMPlayServer.h"
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#include "DRMCustomCommandAsyncAO.h"
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#include <mdaaudiosampleplayer.h>
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#include <s32mem.h>
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#include <mmfcontrollerframeworkbase.h>
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class CDRMCustomCommandAsyncAO;
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class CDRMPlayServer;
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#ifdef RD_TSP_CLIENT_MAPPER
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class CTspClientMapper;
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#endif // #ifdef RD_TSP_CLIENT_MAPPER
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class CDRMPlayServerSession : public CSession2, 
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                              public MMdaAudioPlayerCallback,
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							  public MAudioLoadingObserver
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	{
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	friend class CDRMPlayServer;
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public:
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	// construct/destruct
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	CDRMPlayServerSession(CDRMPlayServer* aServer);
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    static CDRMPlayServerSession* NewL(CDRMPlayServer* aServer, const RMessage2& aMessage );
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	~CDRMPlayServerSession();
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	//service request
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	virtual void ServiceL(const RMessage2 &aMessage);
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	TInt DispatchMessageL(const RMessage2 &aMessage);
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	//services available 
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	void NewFilePlayerL(const RMessage2 aMessage);
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	void NewDesPlayerL(const RMessage2 aMessage);
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	void NewDesPlayerReadOnlyL(const RMessage2 aMessage);
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	void NewPlayerL(const RMessage2 aMessage);	
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	void OpenFileL(const RMessage2 &aMessage);
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	void OpenFileByHandleL(const RMessage2 &aMessage);
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	void OpenFileBySourceL(const RMessage2 &aMessage);
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	void OpenDesL(const RMessage2 &aMessage);
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	void OpenUrlL(const RMessage2 &aMessage);
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	void Play();
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	void Stop();
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	void SetVolume(const RMessage2 &aMessage);
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	void SetRepeats(const RMessage2 &aMessage);
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	void SetVolumeRamp(const RMessage2 &aMessage);
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	void Duration(const RMessage2&aMessage); 
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	TInt MaxVolume();
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	// API Additions since version 7.0	
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	TInt Pause();
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	void Close();
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	TInt GetPosition(const RMessage2 &aMessage);
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	void SetPosition(const RMessage2 &aMessage);
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	TInt SetPriority(const RMessage2 &aMessage);
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	TInt GetVolume(const RMessage2 &aMessage);
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	TInt GetNumberOfMetaDataEntries(const RMessage2 &aMessage);
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	void GetMetaDataEntryL(const RMessage2 &aMessage);
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	TInt SetPlayWindow(const RMessage2 &aMessage);
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	TInt ClearPlayWindow();
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	TInt SetBalance(const RMessage2 &aMessage);
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	TInt GetBalance(const RMessage2 &aMessage);
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	TInt GetBitRate(const RMessage2 &aMessage);
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	void RegisterForAudioLoadingNotification(const RMessage2 &aMessage);
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	void GetAudioLoadingProgressL(const RMessage2 &aMessage);
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	void ControllerImplementationInformationL(const RMessage2 &aMessage);
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	void CustomCommandSyncL(const RMessage2 &aMessage);
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    void CustomCommandAsyncStep1L(const RMessage2 &aMessage);
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    void CustomCommandAsyncStep2L(const RMessage2 &aMessage);
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    void SetPriorityPreference(const RMessage2 &aMessage);
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    void AsyncCustomCommandCompleted( CDRMCustomCommandAsyncAO* aObject );
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protected:
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	// panic the client
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	void PanicClient(const RMessage2 &aMessage, TInt aPanic) const;
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private:
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    void ConstructL( const RMessage2& aMessage );
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	//MMdaAudioPlayerCallback
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    void MapcInitComplete(TInt aError, const TTimeIntervalMicroSeconds& aDuration);
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    void MapcPlayComplete(TInt aError);
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    //MAudioLoadingObserver
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	void MaloLoadingStarted();
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	void MaloLoadingComplete();
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    //Returns False if Destination CustomCommand needs to be blocked
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	TBool IsValidCustomCommandDestination(TUid aDestinationUid, TDesC8& aParam);
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	TBool CheckCustomInterfaceBuilderImplL(TDesC8& aParam);
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private:
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	enum{EIdle,EPlaying,EStopped};
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	CDRMPlayServer *iServer;
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	CMdaAudioPlayerUtility* iPlayUtil;
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	RMessage2 iMessage;
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	RMessage2* iMessage2;
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	CBufFlat* iMetaDataBuffer;
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	//CAsyncCallback* iAsyncCallback;
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	TErrorDurationStructPckgBuf iErrDurPckg;
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	TAsyncCallbackStatePckgBuf  iCallbackState;
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    TInt iAsyncComplete;
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	TInt iCount;
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	TInt iState;
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	TInt iPriority;
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	TMdaPriorityPreference iPref;
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	TBool iFileHandleUsed;
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	RFile iFileHandle;
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#ifdef RD_TSP_CLIENT_MAPPER
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    // Handle to TSP Client Mapper for Rem Con Framework
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    CTspClientMapper*   iTSPClientMapper;
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    // Process id of client to DRM Session
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    TProcessId          iClientProcessId;
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#endif // RD_TSP_CLIENT_MAPPER
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	RPointerArray<CDRMCustomCommandAsyncAO> iActiveAsyncCustomCommands;
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	CDRMCustomCommandAsyncAO* iCDRMCustomCommandAsyncAO2Phase;
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	};
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#endif
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// End of file