/*+
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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:  SVG Implementation header file+
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 *+
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*/+
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+
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+
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#ifndef C_SVGAUDIOELEMENTIMPL_H+
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#define C_SVGAUDIOELEMENTIMPL_H+
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+
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#include "SVGMediaElementBase.h"+
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#include "SVGRequestObserver.h"+
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#include <mdaaudiosampleplayer.h>+
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+
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class CSvgDocumentImpl;+
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class MXmlDocument;+
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+
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/**+
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 * Class description: +
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 *  This class provides the implementation for the audio +
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 *  element as mentioned in the svg-t 1.2 specification.+
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 *  @lib SVGEngine.lib+
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 *  @since S60 3.2+
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 */+
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NONSHARABLE_CLASS( CSvgAudioElementImpl ) : public CSvgMediaElementBase,+
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                            public MMdaAudioPlayerCallback+
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    {+
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    public:+
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        /**+
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         * Deep Copy of the parent+
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         *+
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         * @since S60 3.2+
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         * @param element to be copied+
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         * @return+
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         */+
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        MXmlElement*  CloneL(MXmlElement* aParentElement);+
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+
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        /**+
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         * Create new element of audioelementimpl+
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         *+
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         * @since S60 3.2+
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         * @param+
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         * @return+
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         */+
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        static CSvgAudioElementImpl* NewL(  const TUint8 aElemID,+
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                                      CSvgDocumentImpl* aDoc );+
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+
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        /**+
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         * Create new element of audioimpl+
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         *+
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         * @since S60 3.2+
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         * @param+
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         * @return+
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         */+
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        static CSvgAudioElementImpl* NewLC(  const TUint8 aElemID,+
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                                       CSvgDocumentImpl* aDoc );+
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+
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    private:+
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        /**+
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         * Create new element of audioelementimpl+
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         *+
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         * @since S60 3.2+
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         * @param+
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         * @return+
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         */+
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         void  ConstructL(  const TUint8 aElemID,CSvgDocumentImpl* aDoc );+
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+
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    public:+
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        void SetUriL( const TDesC& aUri );+
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+
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        /**+
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         * Constructor for AudioElement+
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         *+
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         * @since S60 3.2+
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         * @param SvgDocument+
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         * @return None+
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         */+
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        CSvgAudioElementImpl( CSvgDocumentImpl* aDoc );+
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+
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+
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        /**+
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         * Destructor for Audioelement+
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         *+
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         * @since S60 3.2+
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         * @param None+
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         * @return None+
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         */+
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        virtual ~CSvgAudioElementImpl();+
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+
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+
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+
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+
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        /**+
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         * Need method description+
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         *+
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         * @since S60 3.2+
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         * @param+
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         * @return+
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         */+
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        void LoadUriL();+
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+
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        // From MXmlElement API+
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+
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+
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        /**+
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         * Sets attributes of audio element+
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         *+
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         * @since S60 3.2+
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         * @param name of attribute and value to be set to attribute+
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         * @return+
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         */+
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        TInt SetAttributeL( const TDesC& aName, const TDesC& aValue );+
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+
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        /**+
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         * Sets attributes of audio element+
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         *+
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         * @since S60 3.2+
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         * @param name of attribute and value to be set to attribute+
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         * @return+
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         */+
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        TInt SetAttributeDesL( const TInt aNameId, const TDesC& aValue );+
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+
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+
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        /**+
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         * Get attributes of audio element+
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         *+
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         * @since S60 3.2+
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         * @param name of attribute and value to be set to attribute+
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         * @return+
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         */+
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        TInt GetAttributeFloat( const TInt aNameId, TFloatFixPt& aValue );+
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+
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        /**+
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         * Sets attributes of audio element+
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         *+
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         * @since S60 3.2+
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         * @param name of attribute and value to be set to attribute+
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         * @return+
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         */+
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        TInt SetAttributeFloatL( const TInt aNameId, TFloatFixPt aValue );+
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+
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+
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        /**+
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         * From CSvgMediaElementBase+
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         * ReceiveEventL: This function will be called whenever the registered+
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		 * event was happened.+
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         *+
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         * @since S60 3.2+
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         * @param MSvgEvent* aEvent+
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         * @return TBool ETrue if redraw is needed+
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         */+
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        TBool ReceiveEventL( MSvgEvent* aEvent );+
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+
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        /**+
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         * From CSvgMediaElementBase        +
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         *+
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         * @since S60 3.2+
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         * @param none.+
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         * @return none.+
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         */+
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        void ResetAnimationL();+
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+
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        /**+
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         * From CSvgMediaElementBase        +
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         *+
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         * @since S60 3.2+
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         * @param MSvgEvent* aEvent+
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         * @return none.+
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         */+
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        void Reset( MSvgEvent* aEvent );+
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+
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        /**+
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         * Call AnimaProcL+
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         *+
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         * @since S60 3.2+
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         * @param MsvgEvent+
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         * @return Boolean indicating successfull completion of the event+
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         */+
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    	TBool DoAnimProcL(MSvgEvent* aEvent);+
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+
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+
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        /**+
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         * Return wether an svg element is displayable, such as <rect>, +
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         * <circle>, or an abstract element, such as <g>, <animate>.+
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         *+
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         * @since S60 3.2+
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         * @param None+
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         * @return ETrue if element is viewable.+
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         */+
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        TBool IsViewable() { return EFalse; }+
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+
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        /*+
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        * Set the volume of the Audio Player to the specified level+
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        *+
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        * @since S60 3.2+
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        * @param TInt Volume+
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        * @return none+
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        */+
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        void SetVolume(TInt aVolume);+
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		void Print( TBool aIsEncodeOn );+
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    +
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    protected:+
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+
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        /**+
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         * Need method description+
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         *+
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         * @since S60 3.2+
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         * @param CSvgAudioElementImpl+
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         * @return None+
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         */+
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        void CopyL( CSvgAudioElementImpl* aDestElement );+
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+
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    private:+
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        /*+
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        * From MsvgAnimationBase+
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        */+
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        virtual TBool AnimProcL( MSvgTimerEvent* aEvent );+
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        /*+
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        * From MsvgAnimationBase+
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        */+
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        virtual void InitAnimationL();+
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+
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        /*+
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        * From CMdaAudioPlayerUtility+
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        * Callback from Audio Player indicating the audio has finished +
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        * initialisation+
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        * @ since S60 3.2+
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        */+
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    	virtual void MapcInitComplete( TInt aError, +
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    	                                const TTimeIntervalMicroSeconds& aDuration );+
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    	/*+
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        * From CMdaAudioPlayerUtility+
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        * Callback from Audio Player indicating the audio has finished +
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        * playing+
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        * @ since S60 3.2+
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        */                                +
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    	virtual void MapcPlayComplete(TInt aError);+
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    +
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    private:+
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    // From base classes+
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        +
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        /**+
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        * From CSvgMediaElementBase+
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        * When the timed entity acts as timing master in the time container, +
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        * the time container gets the timed entity clock using this method +
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        * and feeds to rest of timed entities.+
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        * @since S60 3.2+
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        * @param aEntityCurTime Current Entity Time in msecs. +
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        * @return none.+
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        */+
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        void GetEntityCurrentTime( TUint32& aEntityCurTime );+
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+
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+
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        /**+
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        * From CSvgMediaElementBase+
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        * Check if timed entity can provide timing ticks to rest of time +
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        * container elements. This behavior could change dynamically. +
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        * For example, if audio clip is over, the audio element can't generate +
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        * ticks for others.+
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        * @since S60 3.2+
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        * @param none.+
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        * @return TBool True if can generate timing tick.+
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        */+
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        TBool CanGenerateTick();+
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        +
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        /**+
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        * From CSvgMediaElementBase+
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        * If the timed entity needs to be in sync with the time container and +
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        * it has slipped beyond the sync tolerance limit, the method is called to +
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        * bring the element in sync with the time container.+
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        * @since S60 3.2+
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        * @param aSynctime Time for resync in msecs.+
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        * @return none.+
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        */+
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        void ResyncTimedEntity( TUint32 aSynctime );+
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+
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        /**+
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        * From CSvgMediaElementBase+
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        * This would be used for pausing the timed entity while other locked+
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        * timed entities get loaded.+
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        * @since S60 3.2+
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        * @param none.+
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        * @return none.+
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        */+
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        void PauseTimedEntity();+
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+
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        /**+
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        * From CSvgMediaElementBase+
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        * This would be used for resuming the timed entity once all locked+
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        * timed entities get loaded.+
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        * @since S60 3.2+
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        * @param none.+
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        * @return none.+
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        */+
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        void ResumeTimedEntity();+
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+
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        /**+
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        * From CSvgMediaElementBase+
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        * This would be used for stoping the timed entity once all locked+
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        * timed entities get loaded.+
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        * @since S60 3.2+
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        * @param none.+
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        * @return none.+
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        */+
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        void StopTimedEntity();+
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+
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+
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        /*+
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        * From MSvgTimedEntityInterface+
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        * Would return the type of object+
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        * @param none+
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        * @return type of object+
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        */+
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        TSvgObjectType ObjectType();+
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+
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        CSvgTimeContainer* GetChildTimeContainer();+
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        +
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        +
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        void DeactivateAnimation();+
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        +
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        +
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    private:+
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+
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        //Audio Player Utility +
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    	CMdaAudioPlayerUtility* iAudioPlayer;+
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+
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    	enum TPlayerState+
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    	    {+
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    		EPlayerStateIdle,+
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    		EPlayerStatePlayInit,+
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    		EPlayerStatePlaying,+
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    		EPlayerStatePaused,+
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    		EPlayerStateStop,+
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    		EPlayerProhibit,+
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    		EPlayerStateComplete,+
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    		+
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    	    };+
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+
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        //Current status of player +
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        TPlayerState iAudioStatus;+
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        //Current Volume of the player+
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        TReal32 iVolume;+
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        TInt iPercentLevelVolume;+
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        // Media duration in usecs+
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        TTimeIntervalMicroSeconds iMediaDuration;+
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        // Indicates whether time container issued a pause command+
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        enum  TcCommandStatus +
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		    { +
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			ESvgTEPausedState, +
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			ESvgTEStoppedState, +
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			ESvgTEPlayingState+
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		    };+
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		+
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		//Current Command on the player+
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        TcCommandStatus iTcCommandState;+
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        // Offset in msecs from document start since the audio +
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        // element became active+
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        TUint32 iAudioStartOffset;+
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        +
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        //Flag indicating if duration is specified as media+
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        TBool iDurMedia;+
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        +
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        HBufC* iUri;+
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        +
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        //Indicates the length of the clip that has already played+
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        //Introduced to ensure that getentitycurrent time returns correct value+
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        //At the end of a clip getPosition returns zero +
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        //because of some bug in audio player+
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        TTimeIntervalMicroSeconds iStoredPos;+
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+
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    };+
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+
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#endif //C_SVGAUDIOELEMENTIMPL_H+
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// ---------------------------------------------------------------------------+
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// End of file+
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// ---------------------------------------------------------------------------+
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