author | samhuttu |
Mon, 01 Nov 2010 12:37:49 +0200 | |
branch | new development branch with rendering state machine and other goodies |
changeset 38 | 5360b7ddc251 |
parent 0 | 7f85d04be362 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 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: observer for CUpnpImageRenderingEngine |
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* |
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*/ |
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#ifndef UPNP_IMAGERENDERINGENGINEOBSERVER_H |
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#define UPNP_IMAGERENDERINGENGINEOBSERVER_H |
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// INCLUDES |
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#include <e32base.h> |
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#include "upnpavrenderingsessionobserver.h" // base class |
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#include "upnpitemresolverobserver.h" // base class |
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// FORWARD DECLARATIONS |
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class CUpnpAVDevice; |
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class MUPnPAVController; |
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class MUPnPAVRenderingSession; |
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class MUPnPAVSessionBase; |
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class MUPnPItemResolver; |
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class CUPnPCommonUI; |
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/** |
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* Observer interface for image rendering engine. |
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* |
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* @since S60 3.2 |
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*/ |
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class MUpnpImageRenderingEngineObserver |
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{ |
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public: |
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/** |
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* Requests for media to be rendered. |
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* this method is called soon after calling PlayL(). |
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* the client is expected to provide an item resolver prepared with |
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* the media to be played back (but not resolved yet) |
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* ownership is transferred in this transaction. |
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* if client returns NULL playback will fail to KErrCancelled |
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* |
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* @return the resolver representing media to be played |
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*/ |
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virtual MUPnPItemResolver* GetMedia() = 0; |
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/** |
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* Acknowledge for render request |
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* @param aError any errors that occurred |
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* @param aItem the actual item that is playing, trying to play, or |
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* NULL if such is not available for some error condition |
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* @return response error code |
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* KErrNone if the engine should carry on working |
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* KErrDisconnected if engine should disconnect |
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*/ |
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virtual TInt RenderAck( |
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TInt aError, |
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const CUpnpItem* aItem ) = 0; |
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/** |
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* Notifies that rendering engine will shut down due to |
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* communication failure. |
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* @param aError the error code (some kind of reason) |
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*/ |
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virtual void EngineShutdown( |
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TInt aError ) = 0; |
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}; |
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#endif // UPNP_IMAGERENDERINGENGINEOBSERVER_H |
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// End of File |