diff -r 000000000000 -r 72b543305e3a msg_plat/smil_engine_api/inc/smilactiveinterface.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/msg_plat/smil_engine_api/inc/smilactiveinterface.h Thu Dec 17 08:44:11 2009 +0200 @@ -0,0 +1,65 @@ +/* +* Copyright (c) 2003 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: smilactiveinterface declaration +* +*/ + + + +#ifndef SMILACTIVE_H +#define SMILACTIVE_H + +// INCLUDES +#include + +#include + +// FORWARD DECLARATIONS +class CSmilObject; +class CSmilPresentation; + +// CLASS DECLARATION +/** + * This interface provides SMIL engine generated timing for components + * outside SMIL engine. This allows accurate synchronization of external + * components to the SMIL engine clock. For example, this interface may + * be used in media renderer to implement animation, for example + * animated GIFs. The interface is used inside the SMIL engine to + * provide timing for transition effects. + * + * To use this interface, the using component inherits it and implements + * ActivateL() method. By using MSmilMedia::AfterL() method the + * component can request a delay of specific duration. ActivateL() is + * called when this duration has passed in SMIL presentation timeline. + * In real time, this might take longer than the requested time, for example + * if the presentation is paused. + */ +class MSmilActive + { +protected: + + /** + * Called when the requested time has been reached. The current time, relative to the requesting media obect, is passed as parameter. + */ + virtual void ActivateL(const TSmilTime& aTime) = 0; + +public: + + CSmilObject* iSmilObject; + friend class CSmilPresentation; + }; + +#endif // ?INCLUDE_H + +// End of File