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//mmrcclient.h
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// Copyright (c) 2007-2009 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:
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//
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/**
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@file
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@internalTechnology
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*/
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#ifndef RMMRCCLIENT_H
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#define RMMRCCLIENT_H
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// INCLUDES
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#include <e32std.h>
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#include <e32base.h>
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#include <a3f/a3fbase.h>
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#include "maudiostreamadaptationobserver.h"
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class MAudioContext;
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class MLogicalChain;
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class MMultimediaResourceControlObserver;
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class CMMRCServer;
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class CMMRCServerSession;
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class CMMRCClientImplementation;
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class CAudioContext;
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// CLASS DECLARATION
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//
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// This class opens connection and provides functions to MMRC server.
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//
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// @lib mmrcclient.lib
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//
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class RMMRCClient
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{
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public:
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IMPORT_C RMMRCClient();
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IMPORT_C virtual ~RMMRCClient();
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//
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// Open connection to server.
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//
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// @param aConnection Interface to server, must not be connected.
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// @param aCallback Callback interface.
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// @return an error code. KErrNone if successful, otherwise one of the system wide error codes.
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//
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IMPORT_C TInt Open(MMultimediaResourceControlObserver& aCallback);
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//
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// Zero is invalid Context id and indicates error.
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// @param aProcessId Process Id.
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// @return TUint32 Context Id.
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//
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IMPORT_C TUint64 LogOn(TProcessId aProcessId);
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//
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// Asynchronous return to ReceiveResourceResponse.
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//
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// @param aMessage Message to be sent.
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// @return an error code. KErrNone if successful, otherwise one of the system wide error codes.
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//
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IMPORT_C TInt SendResourceRequest(MLogicalChain* aCurrent, MLogicalChain* aDesired, CAudioContext* aContext);
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//
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// Synchronous.
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//
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// @return an error code. KErrNone if successful, otherwise one of the system wide error codes.
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//
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IMPORT_C TInt SendResourceConfirmation();
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//
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// Synchronous.
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//
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// @return an error code. KErrNone if successful, otherwise one of the system wide error codes.
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//
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IMPORT_C TInt SendResourceUpdateResult();
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//
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// Synchronous.
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//
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// @return an error code. KErrNone if successful, otherwise one of the system wide error codes.
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//
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IMPORT_C TInt SendResourceErrorNotification();
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//
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// Close connection to server.
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//
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IMPORT_C void Close();
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//
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// Register a client for notification.
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//
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IMPORT_C TInt RegisterAsClient(TUid aEventType, const TDesC8& aNotificationRegistrationData);
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//
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// Cancel the register of a client for notification.
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//
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IMPORT_C TInt CancelRegisterAsClient(TUid aEventType);
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//
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//
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//
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IMPORT_C TInt WillResumePlay();
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IMPORT_C void ResetMessages();
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private:
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CMMRCClientImplementation* iImplementation;
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};
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#endif // RMMRCCLIENT_H
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